| /* vi:set ts=8 sts=4 sw=4: |
| * |
| * VIM - Vi IMproved by Bram Moolenaar |
| * |
| * Do ":help uganda" in Vim to read copying and usage conditions. |
| * Do ":help credits" in Vim to see a list of people who contributed. |
| * See README.txt for an overview of the Vim source code. |
| */ |
| |
| /* |
| * eval.c: Expression evaluation. |
| */ |
| #if defined(MSDOS) || defined(MSWIN) |
| # include <io.h> /* for mch_open(), must be before vim.h */ |
| #endif |
| |
| #include "vim.h" |
| |
| #ifdef AMIGA |
| # include <time.h> /* for strftime() */ |
| #endif |
| |
| #ifdef MACOS |
| # include <time.h> /* for time_t */ |
| #endif |
| |
| #ifdef HAVE_FCNTL_H |
| # include <fcntl.h> |
| #endif |
| |
| #if defined(FEAT_EVAL) || defined(PROTO) |
| |
| #define DICT_MAXNEST 100 /* maximum nesting of lists and dicts */ |
| |
| /* |
| * In a hashtab item "hi_key" points to "di_key" in a dictitem. |
| * This avoids adding a pointer to the hashtab item. |
| * DI2HIKEY() converts a dictitem pointer to a hashitem key pointer. |
| * HIKEY2DI() converts a hashitem key pointer to a dictitem pointer. |
| * HI2DI() converts a hashitem pointer to a dictitem pointer. |
| */ |
| static dictitem_T dumdi; |
| #define DI2HIKEY(di) ((di)->di_key) |
| #define HIKEY2DI(p) ((dictitem_T *)(p - (dumdi.di_key - (char_u *)&dumdi))) |
| #define HI2DI(hi) HIKEY2DI((hi)->hi_key) |
| |
| /* |
| * Structure returned by get_lval() and used by set_var_lval(). |
| * For a plain name: |
| * "name" points to the variable name. |
| * "exp_name" is NULL. |
| * "tv" is NULL |
| * For a magic braces name: |
| * "name" points to the expanded variable name. |
| * "exp_name" is non-NULL, to be freed later. |
| * "tv" is NULL |
| * For an index in a list: |
| * "name" points to the (expanded) variable name. |
| * "exp_name" NULL or non-NULL, to be freed later. |
| * "tv" points to the (first) list item value |
| * "li" points to the (first) list item |
| * "range", "n1", "n2" and "empty2" indicate what items are used. |
| * For an existing Dict item: |
| * "name" points to the (expanded) variable name. |
| * "exp_name" NULL or non-NULL, to be freed later. |
| * "tv" points to the dict item value |
| * "newkey" is NULL |
| * For a non-existing Dict item: |
| * "name" points to the (expanded) variable name. |
| * "exp_name" NULL or non-NULL, to be freed later. |
| * "tv" points to the Dictionary typval_T |
| * "newkey" is the key for the new item. |
| */ |
| typedef struct lval_S |
| { |
| char_u *ll_name; /* start of variable name (can be NULL) */ |
| char_u *ll_exp_name; /* NULL or expanded name in allocated memory. */ |
| typval_T *ll_tv; /* Typeval of item being used. If "newkey" |
| isn't NULL it's the Dict to which to add |
| the item. */ |
| listitem_T *ll_li; /* The list item or NULL. */ |
| list_T *ll_list; /* The list or NULL. */ |
| int ll_range; /* TRUE when a [i:j] range was used */ |
| long ll_n1; /* First index for list */ |
| long ll_n2; /* Second index for list range */ |
| int ll_empty2; /* Second index is empty: [i:] */ |
| dict_T *ll_dict; /* The Dictionary or NULL */ |
| dictitem_T *ll_di; /* The dictitem or NULL */ |
| char_u *ll_newkey; /* New key for Dict in alloc. mem or NULL. */ |
| } lval_T; |
| |
| |
| static char *e_letunexp = N_("E18: Unexpected characters in :let"); |
| static char *e_listidx = N_("E684: list index out of range: %ld"); |
| static char *e_undefvar = N_("E121: Undefined variable: %s"); |
| static char *e_missbrac = N_("E111: Missing ']'"); |
| static char *e_listarg = N_("E686: Argument of %s must be a List"); |
| static char *e_listdictarg = N_("E712: Argument of %s must be a List or Dictionaary"); |
| static char *e_emptykey = N_("E713: Cannot use empty key for Dictionary"); |
| static char *e_listreq = N_("E714: List required"); |
| static char *e_dictreq = N_("E715: Dictionary required"); |
| static char *e_toomanyarg = N_("E118: Too many arguments for function: %s"); |
| static char *e_dictkey = N_("E716: Key not present in Dictionary: %s"); |
| static char *e_funcexts = N_("E122: Function %s already exists, add ! to replace it"); |
| static char *e_funcdict = N_("E717: Dictionary entry already exists"); |
| static char *e_funcref = N_("E718: Funcref required"); |
| static char *e_dictrange = N_("E719: Cannot use [:] with a Dictionary"); |
| static char *e_letwrong = N_("E734: Wrong variable type for %s="); |
| |
| /* |
| * All user-defined global variables are stored in dictionary "globvardict". |
| * "globvars_var" is the variable that is used for "g:". |
| */ |
| static dict_T globvardict; |
| static dictitem_T globvars_var; |
| #define globvarht globvardict.dv_hashtab |
| |
| /* |
| * Old Vim variables such as "v:version" are also available without the "v:". |
| * Also in functions. We need a special hashtable for them. |
| */ |
| hashtab_T compat_hashtab; |
| |
| /* |
| * Array to hold the hashtab with variables local to each sourced script. |
| * Each item holds a variable (nameless) that points to the dict_T. |
| */ |
| typedef struct |
| { |
| dictitem_T sv_var; |
| dict_T sv_dict; |
| } scriptvar_T; |
| |
| static garray_T ga_scripts = {0, 0, sizeof(scriptvar_T), 4, NULL}; |
| #define SCRIPT_SV(id) (((scriptvar_T *)ga_scripts.ga_data)[(id) - 1]) |
| #define SCRIPT_VARS(id) (SCRIPT_SV(id).sv_dict.dv_hashtab) |
| |
| static int echo_attr = 0; /* attributes used for ":echo" */ |
| |
| /* Values for trans_function_name() argument: */ |
| #define TFN_INT 1 /* internal function name OK */ |
| #define TFN_QUIET 2 /* no error messages */ |
| |
| /* |
| * Structure to hold info for a user function. |
| */ |
| typedef struct ufunc ufunc_T; |
| |
| struct ufunc |
| { |
| ufunc_T *next; /* next function in list */ |
| char_u *name; /* name of function; can start with <SNR>123_ |
| (<SNR> is K_SPECIAL KS_EXTRA KE_SNR) */ |
| int varargs; /* variable nr of arguments */ |
| int flags; |
| int calls; /* nr of active calls */ |
| garray_T args; /* arguments */ |
| garray_T lines; /* function lines */ |
| scid_T script_ID; /* ID of script where function was defined, |
| used for s: variables */ |
| int refcount; /* for numbered function: reference count */ |
| }; |
| |
| /* function flags */ |
| #define FC_ABORT 1 /* abort function on error */ |
| #define FC_RANGE 2 /* function accepts range */ |
| #define FC_DICT 4 /* Dict function, uses "self" */ |
| |
| /* |
| * All user-defined functions are found in the forward-linked function list. |
| * The first function is pointed at by firstfunc. |
| */ |
| ufunc_T *firstfunc = NULL; |
| |
| #define FUNCARG(fp, j) ((char_u **)(fp->args.ga_data))[j] |
| #define FUNCLINE(fp, j) ((char_u **)(fp->lines.ga_data))[j] |
| |
| #define MAX_FUNC_ARGS 20 /* maximum number of function arguments */ |
| #define VAR_SHORT_LEN 20 /* short variable name length */ |
| #define FIXVAR_CNT 12 /* number of fixed variables */ |
| |
| /* structure to hold info for a function that is currently being executed. */ |
| typedef struct funccall_S |
| { |
| ufunc_T *func; /* function being called */ |
| int linenr; /* next line to be executed */ |
| int returned; /* ":return" used */ |
| struct /* fixed variables for arguments */ |
| { |
| dictitem_T var; /* variable (without room for name) */ |
| char_u room[VAR_SHORT_LEN]; /* room for the name */ |
| } fixvar[FIXVAR_CNT]; |
| dict_T l_vars; /* l: local function variables */ |
| dictitem_T l_vars_var; /* variable for l: scope */ |
| dict_T l_avars; /* a: argument variables */ |
| dictitem_T l_avars_var; /* variable for a: scope */ |
| list_T l_varlist; /* list for a:000 */ |
| listitem_T l_listitems[MAX_FUNC_ARGS]; /* listitems for a:000 */ |
| typval_T *rettv; /* return value */ |
| linenr_T breakpoint; /* next line with breakpoint or zero */ |
| int dbg_tick; /* debug_tick when breakpoint was set */ |
| int level; /* top nesting level of executed function */ |
| } funccall_T; |
| |
| /* |
| * Info used by a ":for" loop. |
| */ |
| typedef struct |
| { |
| int fi_semicolon; /* TRUE if ending in '; var]' */ |
| int fi_varcount; /* nr of variables in the list */ |
| listwatch_T fi_lw; /* keep an eye on the item used. */ |
| list_T *fi_list; /* list being used */ |
| } forinfo_T; |
| |
| /* |
| * Struct used by trans_function_name() |
| */ |
| typedef struct |
| { |
| dict_T *fd_dict; /* Dictionary used */ |
| char_u *fd_newkey; /* new key in "dict" in allocated memory */ |
| dictitem_T *fd_di; /* Dictionary item used */ |
| } funcdict_T; |
| |
| |
| /* |
| * Array to hold the value of v: variables. |
| * The value is in a dictitem, so that it can also be used in the v: scope. |
| * The reason to use this table anyway is for very quick access to the |
| * variables with the VV_ defines. |
| */ |
| #include "version.h" |
| |
| /* values for vv_flags: */ |
| #define VV_COMPAT 1 /* compatible, also used without "v:" */ |
| #define VV_RO 2 /* read-only */ |
| #define VV_RO_SBX 4 /* read-only in the sandbox*/ |
| |
| #define VV_NAME(s, t) s, sizeof(s) - 1, {{t}}, {0} |
| |
| static struct vimvar |
| { |
| char *vv_name; /* name of variable, without v: */ |
| int vv_len; /* length of name */ |
| dictitem_T vv_di; /* value and name for key */ |
| char vv_filler[16]; /* space for LONGEST name below!!! */ |
| char vv_flags; /* VV_COMPAT, VV_RO, VV_RO_SBX */ |
| } vimvars[VV_LEN] = |
| { |
| /* |
| * The order here must match the VV_ defines in vim.h! |
| * Initializing a union does not work, leave tv.vval empty to get zero's. |
| */ |
| {VV_NAME("count", VAR_NUMBER), VV_COMPAT+VV_RO}, |
| {VV_NAME("count1", VAR_NUMBER), VV_RO}, |
| {VV_NAME("prevcount", VAR_NUMBER), VV_RO}, |
| {VV_NAME("errmsg", VAR_STRING), VV_COMPAT}, |
| {VV_NAME("warningmsg", VAR_STRING), 0}, |
| {VV_NAME("statusmsg", VAR_STRING), 0}, |
| {VV_NAME("shell_error", VAR_NUMBER), VV_COMPAT+VV_RO}, |
| {VV_NAME("this_session", VAR_STRING), VV_COMPAT}, |
| {VV_NAME("version", VAR_NUMBER), VV_COMPAT+VV_RO}, |
| {VV_NAME("lnum", VAR_NUMBER), VV_RO_SBX}, |
| {VV_NAME("termresponse", VAR_STRING), VV_RO}, |
| {VV_NAME("fname", VAR_STRING), VV_RO}, |
| {VV_NAME("lang", VAR_STRING), VV_RO}, |
| {VV_NAME("lc_time", VAR_STRING), VV_RO}, |
| {VV_NAME("ctype", VAR_STRING), VV_RO}, |
| {VV_NAME("charconvert_from", VAR_STRING), VV_RO}, |
| {VV_NAME("charconvert_to", VAR_STRING), VV_RO}, |
| {VV_NAME("fname_in", VAR_STRING), VV_RO}, |
| {VV_NAME("fname_out", VAR_STRING), VV_RO}, |
| {VV_NAME("fname_new", VAR_STRING), VV_RO}, |
| {VV_NAME("fname_diff", VAR_STRING), VV_RO}, |
| {VV_NAME("cmdarg", VAR_STRING), VV_RO}, |
| {VV_NAME("foldstart", VAR_NUMBER), VV_RO_SBX}, |
| {VV_NAME("foldend", VAR_NUMBER), VV_RO_SBX}, |
| {VV_NAME("folddashes", VAR_STRING), VV_RO_SBX}, |
| {VV_NAME("foldlevel", VAR_NUMBER), VV_RO_SBX}, |
| {VV_NAME("progname", VAR_STRING), VV_RO}, |
| {VV_NAME("servername", VAR_STRING), VV_RO}, |
| {VV_NAME("dying", VAR_NUMBER), VV_RO}, |
| {VV_NAME("exception", VAR_STRING), VV_RO}, |
| {VV_NAME("throwpoint", VAR_STRING), VV_RO}, |
| {VV_NAME("register", VAR_STRING), VV_RO}, |
| {VV_NAME("cmdbang", VAR_NUMBER), VV_RO}, |
| {VV_NAME("insertmode", VAR_STRING), VV_RO}, |
| {VV_NAME("val", VAR_STRING), VV_RO}, |
| {VV_NAME("key", VAR_STRING), VV_RO}, |
| }; |
| |
| /* shorthand */ |
| #define vv_type vv_di.di_tv.v_type |
| #define vv_nr vv_di.di_tv.vval.v_number |
| #define vv_str vv_di.di_tv.vval.v_string |
| #define vv_tv vv_di.di_tv |
| |
| /* |
| * The v: variables are stored in dictionary "vimvardict". |
| * "vimvars_var" is the variable that is used for the "l:" scope. |
| */ |
| static dict_T vimvardict; |
| static dictitem_T vimvars_var; |
| #define vimvarht vimvardict.dv_hashtab |
| |
| static int eval0 __ARGS((char_u *arg, typval_T *rettv, char_u **nextcmd, int evaluate)); |
| static int eval1 __ARGS((char_u **arg, typval_T *rettv, int evaluate)); |
| static int eval2 __ARGS((char_u **arg, typval_T *rettv, int evaluate)); |
| static int eval3 __ARGS((char_u **arg, typval_T *rettv, int evaluate)); |
| static int eval4 __ARGS((char_u **arg, typval_T *rettv, int evaluate)); |
| static int eval5 __ARGS((char_u **arg, typval_T *rettv, int evaluate)); |
| static int eval6 __ARGS((char_u **arg, typval_T *rettv, int evaluate)); |
| static int eval7 __ARGS((char_u **arg, typval_T *rettv, int evaluate)); |
| static int eval_index __ARGS((char_u **arg, typval_T *rettv, int evaluate)); |
| static int get_option_tv __ARGS((char_u **arg, typval_T *rettv, int evaluate)); |
| static int get_string_tv __ARGS((char_u **arg, typval_T *rettv, int evaluate)); |
| static int get_lit_string_tv __ARGS((char_u **arg, typval_T *rettv, int evaluate)); |
| static int get_list_tv __ARGS((char_u **arg, typval_T *rettv, int evaluate)); |
| static list_T *list_alloc __ARGS((void)); |
| static void list_unref __ARGS((list_T *l)); |
| static void list_free __ARGS((list_T *l)); |
| static listitem_T *listitem_alloc __ARGS((void)); |
| static void listitem_free __ARGS((listitem_T *item)); |
| static void listitem_remove __ARGS((list_T *l, listitem_T *item)); |
| static long list_len __ARGS((list_T *l)); |
| static int list_equal __ARGS((list_T *l1, list_T *l2, int ic)); |
| static int dict_equal __ARGS((dict_T *d1, dict_T *d2, int ic)); |
| static int tv_equal __ARGS((typval_T *tv1, typval_T *tv2, int ic)); |
| static int string_isa_number __ARGS((char_u *s)); |
| static listitem_T *list_find __ARGS((list_T *l, long n)); |
| static long list_idx_of_item __ARGS((list_T *l, listitem_T *item)); |
| static listitem_T *list_find_ext __ARGS((list_T *l, long *ip)); |
| static void list_append __ARGS((list_T *l, listitem_T *item)); |
| static int list_append_tv __ARGS((list_T *l, typval_T *tv)); |
| static int list_insert_tv __ARGS((list_T *l, typval_T *tv, listitem_T *item)); |
| static int list_extend __ARGS((list_T *l1, list_T *l2, listitem_T *bef)); |
| static int list_concat __ARGS((list_T *l1, list_T *l2, typval_T *tv)); |
| static list_T *list_copy __ARGS((list_T *orig, int deep)); |
| static void list_remove __ARGS((list_T *l, listitem_T *item, listitem_T *item2)); |
| static char_u *list2string __ARGS((typval_T *tv)); |
| static void list_join __ARGS((garray_T *gap, list_T *l, char_u *sep, int echo)); |
| |
| static dict_T *dict_alloc __ARGS((void)); |
| static void dict_unref __ARGS((dict_T *d)); |
| static void dict_free __ARGS((dict_T *d)); |
| static dictitem_T *dictitem_alloc __ARGS((char_u *key)); |
| static dictitem_T *dictitem_copy __ARGS((dictitem_T *org)); |
| static void dictitem_remove __ARGS((dict_T *dict, dictitem_T *item)); |
| static void dictitem_free __ARGS((dictitem_T *item)); |
| static int dict_add __ARGS((dict_T *d, dictitem_T *item)); |
| static long dict_len __ARGS((dict_T *d)); |
| static dictitem_T *dict_find __ARGS((dict_T *d, char_u *key, int len)); |
| static char_u *dict2string __ARGS((typval_T *tv)); |
| static int get_dict_tv __ARGS((char_u **arg, typval_T *rettv, int evaluate)); |
| |
| static char_u *echo_string __ARGS((typval_T *tv, char_u **tofree, char_u *numbuf)); |
| static char_u *tv2string __ARGS((typval_T *tv, char_u **tofree, char_u *numbuf)); |
| static char_u *string_quote __ARGS((char_u *str, int function)); |
| static int get_env_tv __ARGS((char_u **arg, typval_T *rettv, int evaluate)); |
| static int find_internal_func __ARGS((char_u *name)); |
| static char_u *deref_func_name __ARGS((char_u *name, int *lenp)); |
| static int get_func_tv __ARGS((char_u *name, int len, typval_T *rettv, char_u **arg, linenr_T firstline, linenr_T lastline, int *doesrange, int evaluate, dict_T *selfdict)); |
| static int call_func __ARGS((char_u *name, int len, typval_T *rettv, int argcount, typval_T *argvars, linenr_T firstline, linenr_T lastline, int *doesrange, int evaluate, dict_T *selfdict)); |
| |
| static void f_add __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_append __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_argc __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_argidx __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_argv __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_browse __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_browsedir __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_bufexists __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_buflisted __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_bufloaded __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_bufname __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_bufnr __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_bufwinnr __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_byte2line __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_byteidx __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_call __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_char2nr __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_cindent __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_col __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_confirm __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_copy __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_count __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_cscope_connection __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_cursor __ARGS((typval_T *argsvars, typval_T *rettv)); |
| static void f_deepcopy __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_delete __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_did_filetype __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_diff_filler __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_diff_hlID __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_empty __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_escape __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_eval __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_eventhandler __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_executable __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_exists __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_expand __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_extend __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_filereadable __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_filewritable __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_filter __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_finddir __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_findfile __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_fnamemodify __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_foldclosed __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_foldclosedend __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_foldlevel __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_foldtext __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_foldtextresult __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_foreground __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_function __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_get __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getbufvar __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getchar __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getcharmod __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getcmdline __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getcmdpos __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getcwd __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getfontname __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getfperm __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getfsize __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getftime __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getftype __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getline __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getreg __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getregtype __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getwinposx __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getwinposy __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_getwinvar __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_glob __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_globpath __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_has __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_has_key __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_hasmapto __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_histadd __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_histdel __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_histget __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_histnr __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_hlID __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_hlexists __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_hostname __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_iconv __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_indent __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_index __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_input __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_inputdialog __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_inputrestore __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_inputsave __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_inputsecret __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_insert __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_isdirectory __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_islocked __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_items __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_join __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_keys __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_last_buffer_nr __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_len __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_libcall __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_libcallnr __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_line __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_line2byte __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_lispindent __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_localtime __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_map __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_maparg __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_mapcheck __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_match __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_matchend __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_matchstr __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_max __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_min __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_mode __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_nextnonblank __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_nr2char __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_prevnonblank __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_range __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_remote_expr __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_remote_foreground __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_remote_peek __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_remote_read __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_remote_send __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_remove __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_rename __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_repeat __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_resolve __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_reverse __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_search __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_searchpair __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_server2client __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_serverlist __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_setbufvar __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_setcmdpos __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_setline __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_setreg __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_setwinvar __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_simplify __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_sort __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_split __ARGS((typval_T *argvars, typval_T *rettv)); |
| #ifdef HAVE_STRFTIME |
| static void f_strftime __ARGS((typval_T *argvars, typval_T *rettv)); |
| #endif |
| static void f_stridx __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_string __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_strlen __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_strpart __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_strridx __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_strtrans __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_submatch __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_substitute __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_synID __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_synIDattr __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_synIDtrans __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_system __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_tempname __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_tolower __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_toupper __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_tr __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_type __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_values __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_virtcol __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_visualmode __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_winbufnr __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_wincol __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_winheight __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_winline __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_winnr __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_winrestcmd __ARGS((typval_T *argvars, typval_T *rettv)); |
| static void f_winwidth __ARGS((typval_T *argvars, typval_T *rettv)); |
| |
| static win_T *find_win_by_nr __ARGS((typval_T *vp)); |
| static pos_T *var2fpos __ARGS((typval_T *varp, int lnum)); |
| static int get_env_len __ARGS((char_u **arg)); |
| static int get_id_len __ARGS((char_u **arg)); |
| static int get_name_len __ARGS((char_u **arg, char_u **alias, int evaluate)); |
| static char_u *find_name_end __ARGS((char_u *arg, char_u **expr_start, char_u **expr_end, int incl_br)); |
| static int eval_isnamec __ARGS((int c)); |
| static int get_var_tv __ARGS((char_u *name, int len, typval_T *rettv)); |
| static typval_T *alloc_tv __ARGS((void)); |
| static typval_T *alloc_string_tv __ARGS((char_u *string)); |
| static void free_tv __ARGS((typval_T *varp)); |
| static void clear_tv __ARGS((typval_T *varp)); |
| static void init_tv __ARGS((typval_T *varp)); |
| static long get_tv_number __ARGS((typval_T *varp)); |
| static linenr_T get_tv_lnum __ARGS((typval_T *argvars)); |
| static char_u *get_tv_string __ARGS((typval_T *varp)); |
| static char_u *get_tv_string_buf __ARGS((typval_T *varp, char_u *buf)); |
| static dictitem_T *find_var __ARGS((char_u *name, hashtab_T **htp)); |
| static dictitem_T *find_var_in_ht __ARGS((hashtab_T *ht, char_u *varname)); |
| static hashtab_T *find_var_ht __ARGS((char_u *name, char_u **varname)); |
| static void vars_clear_ext __ARGS((hashtab_T *ht, int free_val)); |
| static void delete_var __ARGS((hashtab_T *ht, hashitem_T *hi)); |
| static void list_one_var __ARGS((dictitem_T *v, char_u *prefix)); |
| static void list_one_var_a __ARGS((char_u *prefix, char_u *name, int type, char_u *string)); |
| static void set_var __ARGS((char_u *name, typval_T *varp, int copy)); |
| static int var_check_ro __ARGS((int flags, char_u *name)); |
| static int tv_check_lock __ARGS((int lock, char_u *name)); |
| static void copy_tv __ARGS((typval_T *from, typval_T *to)); |
| static void item_copy __ARGS((typval_T *from, typval_T *to, int deep)); |
| static char_u *find_option_end __ARGS((char_u **arg, int *opt_flags)); |
| static char_u *trans_function_name __ARGS((char_u **pp, int skip, int flags, funcdict_T *fd)); |
| static int eval_fname_script __ARGS((char_u *p)); |
| static int eval_fname_sid __ARGS((char_u *p)); |
| static void list_func_head __ARGS((ufunc_T *fp, int indent)); |
| static void cat_func_name __ARGS((char_u *buf, ufunc_T *fp)); |
| static ufunc_T *find_func __ARGS((char_u *name)); |
| static int function_exists __ARGS((char_u *name)); |
| static void func_free __ARGS((ufunc_T *fp)); |
| static void func_unref __ARGS((char_u *name)); |
| static void func_ref __ARGS((char_u *name)); |
| static void call_user_func __ARGS((ufunc_T *fp, int argcount, typval_T *argvars, typval_T *rettv, linenr_T firstline, linenr_T lastline, dict_T *selfdict)); |
| static void add_nr_var __ARGS((dict_T *dp, dictitem_T *v, char *name, varnumber_T nr)); |
| |
| static char_u * make_expanded_name __ARGS((char_u *in_start, char_u *expr_start, char_u *expr_end, char_u *in_end)); |
| |
| static int ex_let_vars __ARGS((char_u *arg, typval_T *tv, int copy, int semicolon, int var_count, char_u *nextchars)); |
| static char_u *skip_var_list __ARGS((char_u *arg, int *var_count, int *semicolon)); |
| static char_u *skip_var_one __ARGS((char_u *arg)); |
| static void list_hashtable_vars __ARGS((hashtab_T *ht, char_u *prefix, int empty)); |
| static void list_glob_vars __ARGS((void)); |
| static void list_buf_vars __ARGS((void)); |
| static void list_win_vars __ARGS((void)); |
| static void list_vim_vars __ARGS((void)); |
| static char_u *list_arg_vars __ARGS((exarg_T *eap, char_u *arg)); |
| static char_u *ex_let_one __ARGS((char_u *arg, typval_T *tv, int copy, char_u *endchars, char_u *op)); |
| static int check_changedtick __ARGS((char_u *arg)); |
| static char_u *get_lval __ARGS((char_u *name, typval_T *rettv, lval_T *lp, int unlet, int skip, int quiet)); |
| static void clear_lval __ARGS((lval_T *lp)); |
| static void set_var_lval __ARGS((lval_T *lp, char_u *endp, typval_T *rettv, int copy, char_u *op)); |
| static int tv_op __ARGS((typval_T *tv1, typval_T *tv2, char_u *op)); |
| static void list_add_watch __ARGS((list_T *l, listwatch_T *lw)); |
| static void list_rem_watch __ARGS((list_T *l, listwatch_T *lwrem)); |
| static void list_fix_watch __ARGS((list_T *l, listitem_T *item)); |
| static void ex_unletlock __ARGS((exarg_T *eap, char_u *argstart, int deep)); |
| static int do_unlet_var __ARGS((lval_T *lp, char_u *name_end, int forceit)); |
| static int do_lock_var __ARGS((lval_T *lp, char_u *name_end, int deep, int lock)); |
| static void item_lock __ARGS((typval_T *tv, int deep, int lock)); |
| |
| /* |
| * Initialize the global and v: variables. |
| */ |
| void |
| eval_init() |
| { |
| int i; |
| struct vimvar *p; |
| |
| init_var_dict(&globvardict, &globvars_var); |
| init_var_dict(&vimvardict, &vimvars_var); |
| hash_init(&compat_hashtab); |
| |
| for (i = 0; i < VV_LEN; ++i) |
| { |
| p = &vimvars[i]; |
| STRCPY(p->vv_di.di_key, p->vv_name); |
| if (p->vv_flags & VV_RO) |
| p->vv_di.di_flags = DI_FLAGS_RO | DI_FLAGS_FIX; |
| else if (p->vv_flags & VV_RO_SBX) |
| p->vv_di.di_flags = DI_FLAGS_RO_SBX | DI_FLAGS_FIX; |
| else |
| p->vv_di.di_flags = DI_FLAGS_FIX; |
| /* add to v: scope dict */ |
| hash_add(&vimvarht, p->vv_di.di_key); |
| if (p->vv_flags & VV_COMPAT) |
| /* add to compat scope dict */ |
| hash_add(&compat_hashtab, p->vv_di.di_key); |
| } |
| } |
| |
| /* |
| * Return the name of the executed function. |
| */ |
| char_u * |
| func_name(cookie) |
| void *cookie; |
| { |
| return ((funccall_T *)cookie)->func->name; |
| } |
| |
| /* |
| * Return the address holding the next breakpoint line for a funccall cookie. |
| */ |
| linenr_T * |
| func_breakpoint(cookie) |
| void *cookie; |
| { |
| return &((funccall_T *)cookie)->breakpoint; |
| } |
| |
| /* |
| * Return the address holding the debug tick for a funccall cookie. |
| */ |
| int * |
| func_dbg_tick(cookie) |
| void *cookie; |
| { |
| return &((funccall_T *)cookie)->dbg_tick; |
| } |
| |
| /* |
| * Return the nesting level for a funccall cookie. |
| */ |
| int |
| func_level(cookie) |
| void *cookie; |
| { |
| return ((funccall_T *)cookie)->level; |
| } |
| |
| /* pointer to funccal for currently active function */ |
| funccall_T *current_funccal = NULL; |
| |
| /* |
| * Return TRUE when a function was ended by a ":return" command. |
| */ |
| int |
| current_func_returned() |
| { |
| return current_funccal->returned; |
| } |
| |
| |
| /* |
| * Set an internal variable to a string value. Creates the variable if it does |
| * not already exist. |
| */ |
| void |
| set_internal_string_var(name, value) |
| char_u *name; |
| char_u *value; |
| { |
| char_u *val; |
| typval_T *tvp; |
| |
| val = vim_strsave(value); |
| if (val != NULL) |
| { |
| tvp = alloc_string_tv(val); |
| if (tvp != NULL) |
| { |
| set_var(name, tvp, FALSE); |
| free_tv(tvp); |
| } |
| } |
| } |
| |
| # if defined(FEAT_MBYTE) || defined(PROTO) |
| int |
| eval_charconvert(enc_from, enc_to, fname_from, fname_to) |
| char_u *enc_from; |
| char_u *enc_to; |
| char_u *fname_from; |
| char_u *fname_to; |
| { |
| int err = FALSE; |
| |
| set_vim_var_string(VV_CC_FROM, enc_from, -1); |
| set_vim_var_string(VV_CC_TO, enc_to, -1); |
| set_vim_var_string(VV_FNAME_IN, fname_from, -1); |
| set_vim_var_string(VV_FNAME_OUT, fname_to, -1); |
| if (eval_to_bool(p_ccv, &err, NULL, FALSE)) |
| err = TRUE; |
| set_vim_var_string(VV_CC_FROM, NULL, -1); |
| set_vim_var_string(VV_CC_TO, NULL, -1); |
| set_vim_var_string(VV_FNAME_IN, NULL, -1); |
| set_vim_var_string(VV_FNAME_OUT, NULL, -1); |
| |
| if (err) |
| return FAIL; |
| return OK; |
| } |
| # endif |
| |
| # if defined(FEAT_POSTSCRIPT) || defined(PROTO) |
| int |
| eval_printexpr(fname, args) |
| char_u *fname; |
| char_u *args; |
| { |
| int err = FALSE; |
| |
| set_vim_var_string(VV_FNAME_IN, fname, -1); |
| set_vim_var_string(VV_CMDARG, args, -1); |
| if (eval_to_bool(p_pexpr, &err, NULL, FALSE)) |
| err = TRUE; |
| set_vim_var_string(VV_FNAME_IN, NULL, -1); |
| set_vim_var_string(VV_CMDARG, NULL, -1); |
| |
| if (err) |
| { |
| mch_remove(fname); |
| return FAIL; |
| } |
| return OK; |
| } |
| # endif |
| |
| # if defined(FEAT_DIFF) || defined(PROTO) |
| void |
| eval_diff(origfile, newfile, outfile) |
| char_u *origfile; |
| char_u *newfile; |
| char_u *outfile; |
| { |
| int err = FALSE; |
| |
| set_vim_var_string(VV_FNAME_IN, origfile, -1); |
| set_vim_var_string(VV_FNAME_NEW, newfile, -1); |
| set_vim_var_string(VV_FNAME_OUT, outfile, -1); |
| (void)eval_to_bool(p_dex, &err, NULL, FALSE); |
| set_vim_var_string(VV_FNAME_IN, NULL, -1); |
| set_vim_var_string(VV_FNAME_NEW, NULL, -1); |
| set_vim_var_string(VV_FNAME_OUT, NULL, -1); |
| } |
| |
| void |
| eval_patch(origfile, difffile, outfile) |
| char_u *origfile; |
| char_u *difffile; |
| char_u *outfile; |
| { |
| int err; |
| |
| set_vim_var_string(VV_FNAME_IN, origfile, -1); |
| set_vim_var_string(VV_FNAME_DIFF, difffile, -1); |
| set_vim_var_string(VV_FNAME_OUT, outfile, -1); |
| (void)eval_to_bool(p_pex, &err, NULL, FALSE); |
| set_vim_var_string(VV_FNAME_IN, NULL, -1); |
| set_vim_var_string(VV_FNAME_DIFF, NULL, -1); |
| set_vim_var_string(VV_FNAME_OUT, NULL, -1); |
| } |
| # endif |
| |
| /* |
| * Top level evaluation function, returning a boolean. |
| * Sets "error" to TRUE if there was an error. |
| * Return TRUE or FALSE. |
| */ |
| int |
| eval_to_bool(arg, error, nextcmd, skip) |
| char_u *arg; |
| int *error; |
| char_u **nextcmd; |
| int skip; /* only parse, don't execute */ |
| { |
| typval_T tv; |
| int retval = FALSE; |
| |
| if (skip) |
| ++emsg_skip; |
| if (eval0(arg, &tv, nextcmd, !skip) == FAIL) |
| *error = TRUE; |
| else |
| { |
| *error = FALSE; |
| if (!skip) |
| { |
| retval = (get_tv_number(&tv) != 0); |
| clear_tv(&tv); |
| } |
| } |
| if (skip) |
| --emsg_skip; |
| |
| return retval; |
| } |
| |
| /* |
| * Top level evaluation function, returning a string. If "skip" is TRUE, |
| * only parsing to "nextcmd" is done, without reporting errors. Return |
| * pointer to allocated memory, or NULL for failure or when "skip" is TRUE. |
| */ |
| char_u * |
| eval_to_string_skip(arg, nextcmd, skip) |
| char_u *arg; |
| char_u **nextcmd; |
| int skip; /* only parse, don't execute */ |
| { |
| typval_T tv; |
| char_u *retval; |
| |
| if (skip) |
| ++emsg_skip; |
| if (eval0(arg, &tv, nextcmd, !skip) == FAIL || skip) |
| retval = NULL; |
| else |
| { |
| retval = vim_strsave(get_tv_string(&tv)); |
| clear_tv(&tv); |
| } |
| if (skip) |
| --emsg_skip; |
| |
| return retval; |
| } |
| |
| /* |
| * Skip over an expression at "*pp". |
| * Return FAIL for an error, OK otherwise. |
| */ |
| int |
| skip_expr(pp) |
| char_u **pp; |
| { |
| typval_T rettv; |
| |
| *pp = skipwhite(*pp); |
| return eval1(pp, &rettv, FALSE); |
| } |
| |
| /* |
| * Top level evaluation function, returning a string. |
| * Return pointer to allocated memory, or NULL for failure. |
| */ |
| char_u * |
| eval_to_string(arg, nextcmd) |
| char_u *arg; |
| char_u **nextcmd; |
| { |
| typval_T tv; |
| char_u *retval; |
| |
| if (eval0(arg, &tv, nextcmd, TRUE) == FAIL) |
| retval = NULL; |
| else |
| { |
| retval = vim_strsave(get_tv_string(&tv)); |
| clear_tv(&tv); |
| } |
| |
| return retval; |
| } |
| |
| /* |
| * Call eval_to_string() with "sandbox" set and not using local variables. |
| */ |
| char_u * |
| eval_to_string_safe(arg, nextcmd) |
| char_u *arg; |
| char_u **nextcmd; |
| { |
| char_u *retval; |
| void *save_funccalp; |
| |
| save_funccalp = save_funccal(); |
| ++sandbox; |
| retval = eval_to_string(arg, nextcmd); |
| --sandbox; |
| restore_funccal(save_funccalp); |
| return retval; |
| } |
| |
| /* |
| * Top level evaluation function, returning a number. |
| * Evaluates "expr" silently. |
| * Returns -1 for an error. |
| */ |
| int |
| eval_to_number(expr) |
| char_u *expr; |
| { |
| typval_T rettv; |
| int retval; |
| char_u *p = skipwhite(expr); |
| |
| ++emsg_off; |
| |
| if (eval1(&p, &rettv, TRUE) == FAIL) |
| retval = -1; |
| else |
| { |
| retval = get_tv_number(&rettv); |
| clear_tv(&rettv); |
| } |
| --emsg_off; |
| |
| return retval; |
| } |
| |
| #if (defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)) || defined(PROTO) |
| /* |
| * Call some vimL function and return the result as a string |
| * Uses argv[argc] for the function arguments. |
| */ |
| char_u * |
| call_vim_function(func, argc, argv, safe) |
| char_u *func; |
| int argc; |
| char_u **argv; |
| int safe; /* use the sandbox */ |
| { |
| char_u *retval = NULL; |
| typval_T rettv; |
| typval_T *argvars; |
| long n; |
| int len; |
| int i; |
| int doesrange; |
| void *save_funccalp = NULL; |
| |
| argvars = (typval_T *)alloc((unsigned)(argc * sizeof(typval_T))); |
| if (argvars == NULL) |
| return NULL; |
| |
| for (i = 0; i < argc; i++) |
| { |
| /* Pass a NULL or empty argument as an empty string */ |
| if (argv[i] == NULL || *argv[i] == NUL) |
| { |
| argvars[i].v_type = VAR_STRING; |
| argvars[i].vval.v_string = (char_u *)""; |
| continue; |
| } |
| |
| /* Recognize a number argument, the others must be strings. */ |
| vim_str2nr(argv[i], NULL, &len, TRUE, TRUE, &n, NULL); |
| if (len != 0 && len == (int)STRLEN(argv[i])) |
| { |
| argvars[i].v_type = VAR_NUMBER; |
| argvars[i].vval.v_number = n; |
| } |
| else |
| { |
| argvars[i].v_type = VAR_STRING; |
| argvars[i].vval.v_string = argv[i]; |
| } |
| } |
| |
| if (safe) |
| { |
| save_funccalp = save_funccal(); |
| ++sandbox; |
| } |
| |
| rettv.v_type = VAR_UNKNOWN; /* clear_tv() uses this */ |
| if (call_func(func, (int)STRLEN(func), &rettv, argc, argvars, |
| curwin->w_cursor.lnum, curwin->w_cursor.lnum, |
| &doesrange, TRUE, NULL) == OK) |
| retval = vim_strsave(get_tv_string(&rettv)); |
| |
| clear_tv(&rettv); |
| vim_free(argvars); |
| |
| if (safe) |
| { |
| --sandbox; |
| restore_funccal(save_funccalp); |
| } |
| return retval; |
| } |
| #endif |
| |
| /* |
| * Save the current function call pointer, and set it to NULL. |
| * Used when executing autocommands and for ":source". |
| */ |
| void * |
| save_funccal() |
| { |
| funccall_T *fc; |
| |
| fc = current_funccal; |
| current_funccal = NULL; |
| return (void *)fc; |
| } |
| |
| void |
| restore_funccal(fc) |
| void *fc; |
| { |
| current_funccal = (funccall_T *)fc; |
| } |
| |
| #ifdef FEAT_FOLDING |
| /* |
| * Evaluate 'foldexpr'. Returns the foldlevel, and any character preceding |
| * it in "*cp". Doesn't give error messages. |
| */ |
| int |
| eval_foldexpr(arg, cp) |
| char_u *arg; |
| int *cp; |
| { |
| typval_T tv; |
| int retval; |
| char_u *s; |
| |
| ++emsg_off; |
| ++sandbox; |
| *cp = NUL; |
| if (eval0(arg, &tv, NULL, TRUE) == FAIL) |
| retval = 0; |
| else |
| { |
| /* If the result is a number, just return the number. */ |
| if (tv.v_type == VAR_NUMBER) |
| retval = tv.vval.v_number; |
| else if (tv.v_type == VAR_UNKNOWN |
| || tv.vval.v_string == NULL) |
| retval = 0; |
| else |
| { |
| /* If the result is a string, check if there is a non-digit before |
| * the number. */ |
| s = tv.vval.v_string; |
| if (!VIM_ISDIGIT(*s) && *s != '-') |
| *cp = *s++; |
| retval = atol((char *)s); |
| } |
| clear_tv(&tv); |
| } |
| --emsg_off; |
| --sandbox; |
| |
| return retval; |
| } |
| #endif |
| |
| /* |
| * Expands out the 'magic' {}'s in a variable/function name. |
| * Note that this can call itself recursively, to deal with |
| * constructs like foo{bar}{baz}{bam} |
| * The four pointer arguments point to "foo{expre}ss{ion}bar" |
| * "in_start" ^ |
| * "expr_start" ^ |
| * "expr_end" ^ |
| * "in_end" ^ |
| * |
| * Returns a new allocated string, which the caller must free. |
| * Returns NULL for failure. |
| */ |
| static char_u * |
| make_expanded_name(in_start, expr_start, expr_end, in_end) |
| char_u *in_start; |
| char_u *expr_start; |
| char_u *expr_end; |
| char_u *in_end; |
| { |
| char_u c1; |
| char_u *retval = NULL; |
| char_u *temp_result; |
| char_u *nextcmd = NULL; |
| |
| if (expr_end == NULL || in_end == NULL) |
| return NULL; |
| *expr_start = NUL; |
| *expr_end = NUL; |
| c1 = *in_end; |
| *in_end = NUL; |
| |
| temp_result = eval_to_string(expr_start + 1, &nextcmd); |
| if (temp_result != NULL && nextcmd == NULL) |
| { |
| retval = alloc((unsigned)(STRLEN(temp_result) + (expr_start - in_start) |
| + (in_end - expr_end) + 1)); |
| |
| if (retval != NULL) |
| { |
| STRCPY(retval, in_start); |
| STRCAT(retval, temp_result); |
| STRCAT(retval, expr_end + 1); |
| } |
| } |
| vim_free(temp_result); |
| |
| *in_end = c1; /* put char back for error messages */ |
| *expr_start = '{'; |
| *expr_end = '}'; |
| |
| if (retval != NULL) |
| { |
| temp_result = find_name_end(retval, &expr_start, &expr_end, FALSE); |
| if (expr_start != NULL) |
| { |
| /* Further expansion! */ |
| temp_result = make_expanded_name(retval, expr_start, |
| expr_end, temp_result); |
| vim_free(retval); |
| retval = temp_result; |
| } |
| } |
| |
| return retval; |
| |
| } |
| |
| /* |
| * ":let" list all variable values |
| * ":let var1 var2" list variable values |
| * ":let var = expr" assignment command. |
| * ":let var += expr" assignment command. |
| * ":let var -= expr" assignment command. |
| * ":let var .= expr" assignment command. |
| * ":let [var1, var2] = expr" unpack list. |
| */ |
| void |
| ex_let(eap) |
| exarg_T *eap; |
| { |
| char_u *arg = eap->arg; |
| char_u *expr = NULL; |
| typval_T rettv; |
| int i; |
| int var_count = 0; |
| int semicolon = 0; |
| char_u op[2]; |
| |
| expr = skip_var_list(arg, &var_count, &semicolon); |
| if (expr == NULL) |
| return; |
| expr = vim_strchr(expr, '='); |
| if (expr == NULL) |
| { |
| /* |
| * ":let" without "=": list variables |
| */ |
| if (*arg == '[') |
| EMSG(_(e_invarg)); |
| else if (!ends_excmd(*arg)) |
| /* ":let var1 var2" */ |
| arg = list_arg_vars(eap, arg); |
| else if (!eap->skip) |
| { |
| /* ":let" */ |
| list_glob_vars(); |
| list_buf_vars(); |
| list_win_vars(); |
| list_vim_vars(); |
| } |
| eap->nextcmd = check_nextcmd(arg); |
| } |
| else |
| { |
| op[0] = '='; |
| op[1] = NUL; |
| if (expr > arg) |
| { |
| if (vim_strchr((char_u *)"+-.", expr[-1]) != NULL) |
| op[0] = expr[-1]; /* +=, -= or .= */ |
| } |
| expr = skipwhite(expr + 1); |
| |
| if (eap->skip) |
| ++emsg_skip; |
| i = eval0(expr, &rettv, &eap->nextcmd, !eap->skip); |
| if (eap->skip) |
| { |
| if (i != FAIL) |
| clear_tv(&rettv); |
| --emsg_skip; |
| } |
| else if (i != FAIL) |
| { |
| (void)ex_let_vars(eap->arg, &rettv, FALSE, semicolon, var_count, |
| op); |
| clear_tv(&rettv); |
| } |
| } |
| } |
| |
| /* |
| * Assign the typevalue "tv" to the variable or variables at "arg_start". |
| * Handles both "var" with any type and "[var, var; var]" with a list type. |
| * When "nextchars" is not NULL it points to a string with characters that |
| * must appear after the variable(s). Use "+", "-" or "." for add, subtract |
| * or concatenate. |
| * Returns OK or FAIL; |
| */ |
| static int |
| ex_let_vars(arg_start, tv, copy, semicolon, var_count, nextchars) |
| char_u *arg_start; |
| typval_T *tv; |
| int copy; /* copy values from "tv", don't move */ |
| int semicolon; /* from skip_var_list() */ |
| int var_count; /* from skip_var_list() */ |
| char_u *nextchars; |
| { |
| char_u *arg = arg_start; |
| list_T *l; |
| int i; |
| listitem_T *item; |
| typval_T ltv; |
| |
| if (*arg != '[') |
| { |
| /* |
| * ":let var = expr" or ":for var in list" |
| */ |
| if (ex_let_one(arg, tv, copy, nextchars, nextchars) == NULL) |
| return FAIL; |
| return OK; |
| } |
| |
| /* |
| * ":let [v1, v2] = list" or ":for [v1, v2] in listlist" |
| */ |
| l = tv->vval.v_list; |
| if (tv->v_type != VAR_LIST || l == NULL) |
| { |
| EMSG(_(e_listreq)); |
| return FAIL; |
| } |
| |
| i = list_len(l); |
| if (semicolon == 0 && var_count < i) |
| { |
| EMSG(_("E687: Less targets than List items")); |
| return FAIL; |
| } |
| if (var_count - semicolon > i) |
| { |
| EMSG(_("E688: More targets than List items")); |
| return FAIL; |
| } |
| |
| item = l->lv_first; |
| while (*arg != ']') |
| { |
| arg = skipwhite(arg + 1); |
| arg = ex_let_one(arg, &item->li_tv, TRUE, (char_u *)",;]", nextchars); |
| item = item->li_next; |
| if (arg == NULL) |
| return FAIL; |
| |
| arg = skipwhite(arg); |
| if (*arg == ';') |
| { |
| /* Put the rest of the list (may be empty) in the var after ';'. |
| * Create a new list for this. */ |
| l = list_alloc(); |
| if (l == NULL) |
| return FAIL; |
| while (item != NULL) |
| { |
| list_append_tv(l, &item->li_tv); |
| item = item->li_next; |
| } |
| |
| ltv.v_type = VAR_LIST; |
| ltv.v_lock = 0; |
| ltv.vval.v_list = l; |
| l->lv_refcount = 1; |
| |
| arg = ex_let_one(skipwhite(arg + 1), <v, FALSE, |
| (char_u *)"]", nextchars); |
| clear_tv(<v); |
| if (arg == NULL) |
| return FAIL; |
| break; |
| } |
| else if (*arg != ',' && *arg != ']') |
| { |
| EMSG2(_(e_intern2), "ex_let_vars()"); |
| return FAIL; |
| } |
| } |
| |
| return OK; |
| } |
| |
| /* |
| * Skip over assignable variable "var" or list of variables "[var, var]". |
| * Used for ":let varvar = expr" and ":for varvar in expr". |
| * For "[var, var]" increment "*var_count" for each variable. |
| * for "[var, var; var]" set "semicolon". |
| * Return NULL for an error. |
| */ |
| static char_u * |
| skip_var_list(arg, var_count, semicolon) |
| char_u *arg; |
| int *var_count; |
| int *semicolon; |
| { |
| char_u *p, *s; |
| |
| if (*arg == '[') |
| { |
| /* "[var, var]": find the matching ']'. */ |
| p = arg; |
| while (1) |
| { |
| p = skipwhite(p + 1); /* skip whites after '[', ';' or ',' */ |
| s = skip_var_one(p); |
| if (s == p) |
| { |
| EMSG2(_(e_invarg2), p); |
| return NULL; |
| } |
| ++*var_count; |
| |
| p = skipwhite(s); |
| if (*p == ']') |
| break; |
| else if (*p == ';') |
| { |
| if (*semicolon == 1) |
| { |
| EMSG(_("Double ; in list of variables")); |
| return NULL; |
| } |
| *semicolon = 1; |
| } |
| else if (*p != ',') |
| { |
| EMSG2(_(e_invarg2), p); |
| return NULL; |
| } |
| } |
| return p + 1; |
| } |
| else |
| return skip_var_one(arg); |
| } |
| |
| static char_u * |
| skip_var_one(arg) |
| char_u *arg; |
| { |
| if (vim_strchr((char_u *)"$@&", *arg) != NULL) |
| ++arg; |
| return find_name_end(arg, NULL, NULL, TRUE); |
| } |
| |
| /* |
| * List variables for hashtab "ht" with prefix "prefix". |
| * If "empty" is TRUE also list NULL strings as empty strings. |
| */ |
| static void |
| list_hashtable_vars(ht, prefix, empty) |
| hashtab_T *ht; |
| char_u *prefix; |
| int empty; |
| { |
| hashitem_T *hi; |
| dictitem_T *di; |
| int todo; |
| |
| todo = ht->ht_used; |
| for (hi = ht->ht_array; todo > 0 && !got_int; ++hi) |
| { |
| if (!HASHITEM_EMPTY(hi)) |
| { |
| --todo; |
| di = HI2DI(hi); |
| if (empty || di->di_tv.v_type != VAR_STRING |
| || di->di_tv.vval.v_string != NULL) |
| list_one_var(di, prefix); |
| } |
| } |
| } |
| |
| /* |
| * List global variables. |
| */ |
| static void |
| list_glob_vars() |
| { |
| list_hashtable_vars(&globvarht, (char_u *)"", TRUE); |
| } |
| |
| /* |
| * List buffer variables. |
| */ |
| static void |
| list_buf_vars() |
| { |
| list_hashtable_vars(&curbuf->b_vars.dv_hashtab, (char_u *)"b:", TRUE); |
| } |
| |
| /* |
| * List window variables. |
| */ |
| static void |
| list_win_vars() |
| { |
| list_hashtable_vars(&curwin->w_vars.dv_hashtab, (char_u *)"w:", TRUE); |
| } |
| |
| /* |
| * List Vim variables. |
| */ |
| static void |
| list_vim_vars() |
| { |
| list_hashtable_vars(&vimvarht, (char_u *)"v:", FALSE); |
| } |
| |
| /* |
| * List variables in "arg". |
| */ |
| static char_u * |
| list_arg_vars(eap, arg) |
| exarg_T *eap; |
| char_u *arg; |
| { |
| int error = FALSE; |
| char_u *temp_string = NULL; |
| int arg_len; |
| char_u *expr_start; |
| char_u *expr_end; |
| char_u *name_end; |
| int c1 = 0, c2; |
| dictitem_T *varp; |
| char_u *name; |
| |
| while (!ends_excmd(*arg) && !got_int) |
| { |
| /* Find the end of the name. */ |
| name_end = find_name_end(arg, &expr_start, &expr_end, FALSE); |
| |
| if (!vim_iswhite(*name_end) && !ends_excmd(*name_end)) |
| { |
| emsg_severe = TRUE; |
| EMSG(_(e_trailing)); |
| break; |
| } |
| if (!error && !eap->skip) |
| { |
| if (expr_start != NULL) |
| { |
| temp_string = make_expanded_name(arg, expr_start, |
| expr_end, name_end); |
| if (temp_string == NULL) |
| { |
| /* |
| * Report an invalid expression in braces, unless |
| * the expression evaluation has been cancelled due |
| * to an aborting error, an interrupt, or an |
| * exception. |
| */ |
| if (!aborting()) |
| { |
| emsg_severe = TRUE; |
| EMSG2(_(e_invarg2), arg); |
| break; |
| } |
| error = TRUE; |
| arg = skipwhite(name_end); |
| continue; |
| } |
| arg = temp_string; |
| arg_len = STRLEN(temp_string); |
| } |
| else |
| { |
| c1 = *name_end; |
| *name_end = NUL; |
| arg_len = (int)(name_end - arg); |
| } |
| if (arg_len == 2 && arg[1] == ':') |
| { |
| switch (*arg) |
| { |
| case 'g': list_glob_vars(); break; |
| case 'b': list_buf_vars(); break; |
| case 'w': list_win_vars(); break; |
| case 'v': list_vim_vars(); break; |
| default: |
| EMSG2(_("E738: Can't list variables for %s"), arg); |
| } |
| } |
| else |
| { |
| if (STRCMP("b:changedtick", arg) == 0) |
| { |
| char_u numbuf[NUMBUFLEN]; |
| |
| sprintf((char *)numbuf, "%ld", |
| (long)curbuf->b_changedtick); |
| list_one_var_a((char_u *)"b:", (char_u *)"changedtick", |
| VAR_NUMBER, numbuf); |
| } |
| else |
| { |
| varp = find_var(arg, NULL); |
| if (varp == NULL) |
| { |
| /* Skip further arguments but do continue to |
| * search for a trailing command. */ |
| EMSG2(_("E106: Unknown variable: \"%s\""), arg); |
| error = TRUE; |
| } |
| else |
| { |
| name = vim_strchr(arg, ':'); |
| if (name != NULL) |
| { |
| /* "a:" vars have no name stored, use whole arg */ |
| if (arg[0] == 'a' && arg[1] == ':') |
| c2 = NUL; |
| else |
| { |
| c2 = *++name; |
| *name = NUL; |
| } |
| list_one_var(varp, arg); |
| if (c2 != NUL) |
| *name = c2; |
| } |
| else |
| list_one_var(varp, (char_u *)""); |
| } |
| } |
| } |
| if (expr_start != NULL) |
| vim_free(temp_string); |
| else |
| *name_end = c1; |
| } |
| arg = skipwhite(name_end); |
| } |
| |
| return arg; |
| } |
| |
| /* |
| * Set one item of ":let var = expr" or ":let [v1, v2] = list" to its value. |
| * Returns a pointer to the char just after the var name. |
| * Returns NULL if there is an error. |
| */ |
| static char_u * |
| ex_let_one(arg, tv, copy, endchars, op) |
| char_u *arg; /* points to variable name */ |
| typval_T *tv; /* value to assign to variable */ |
| int copy; /* copy value from "tv" */ |
| char_u *endchars; /* valid chars after variable name or NULL */ |
| char_u *op; /* "+", "-", "." or NULL*/ |
| { |
| int c1; |
| char_u *name; |
| char_u *p; |
| char_u *arg_end = NULL; |
| int len; |
| int opt_flags; |
| char_u *tofree = NULL; |
| |
| /* |
| * ":let $VAR = expr": Set environment variable. |
| */ |
| if (*arg == '$') |
| { |
| /* Find the end of the name. */ |
| ++arg; |
| name = arg; |
| len = get_env_len(&arg); |
| if (len == 0) |
| EMSG2(_(e_invarg2), name - 1); |
| else |
| { |
| if (op != NULL && (*op == '+' || *op == '-')) |
| EMSG2(_(e_letwrong), op); |
| else if (endchars != NULL |
| && vim_strchr(endchars, *skipwhite(arg)) == NULL) |
| EMSG(_(e_letunexp)); |
| else |
| { |
| c1 = name[len]; |
| name[len] = NUL; |
| p = get_tv_string(tv); |
| if (op != NULL && *op == '.') |
| { |
| int mustfree = FALSE; |
| char_u *s = vim_getenv(name, &mustfree); |
| |
| if (s != NULL) |
| { |
| p = tofree = concat_str(s, p); |
| if (mustfree) |
| vim_free(s); |
| } |
| } |
| if (p != NULL) |
| vim_setenv(name, p); |
| if (STRICMP(name, "HOME") == 0) |
| init_homedir(); |
| else if (didset_vim && STRICMP(name, "VIM") == 0) |
| didset_vim = FALSE; |
| else if (didset_vimruntime && STRICMP(name, "VIMRUNTIME") == 0) |
| didset_vimruntime = FALSE; |
| name[len] = c1; |
| arg_end = arg; |
| vim_free(tofree); |
| } |
| } |
| } |
| |
| /* |
| * ":let &option = expr": Set option value. |
| * ":let &l:option = expr": Set local option value. |
| * ":let &g:option = expr": Set global option value. |
| */ |
| else if (*arg == '&') |
| { |
| /* Find the end of the name. */ |
| p = find_option_end(&arg, &opt_flags); |
| if (p == NULL || (endchars != NULL |
| && vim_strchr(endchars, *skipwhite(p)) == NULL)) |
| EMSG(_(e_letunexp)); |
| else |
| { |
| long n; |
| int opt_type; |
| long numval; |
| char_u *stringval = NULL; |
| char_u *s; |
| |
| c1 = *p; |
| *p = NUL; |
| |
| n = get_tv_number(tv); |
| s = get_tv_string(tv); |
| if (op != NULL && *op != '=') |
| { |
| opt_type = get_option_value(arg, &numval, |
| &stringval, opt_flags); |
| if ((opt_type == 1 && *op == '.') |
| || (opt_type == 0 && *op != '.')) |
| EMSG2(_(e_letwrong), op); |
| else |
| { |
| if (opt_type == 1) /* number */ |
| { |
| if (*op == '+') |
| n = numval + n; |
| else |
| n = numval - n; |
| } |
| else if (opt_type == 0 && stringval != NULL) /* string */ |
| { |
| s = concat_str(stringval, s); |
| vim_free(stringval); |
| stringval = s; |
| } |
| } |
| } |
| set_option_value(arg, n, s, opt_flags); |
| *p = c1; |
| arg_end = p; |
| vim_free(stringval); |
| } |
| } |
| |
| /* |
| * ":let @r = expr": Set register contents. |
| */ |
| else if (*arg == '@') |
| { |
| ++arg; |
| if (op != NULL && (*op == '+' || *op == '-')) |
| EMSG2(_(e_letwrong), op); |
| else if (endchars != NULL |
| && vim_strchr(endchars, *skipwhite(arg + 1)) == NULL) |
| EMSG(_(e_letunexp)); |
| else |
| { |
| char_u *tofree = NULL; |
| char_u *s; |
| |
| p = get_tv_string(tv); |
| if (op != NULL && *op == '.') |
| { |
| s = get_reg_contents(*arg == '@' ? '"' : *arg, FALSE); |
| if (s != NULL) |
| { |
| p = tofree = concat_str(s, p); |
| vim_free(s); |
| } |
| } |
| if (p != NULL) |
| write_reg_contents(*arg == '@' ? '"' : *arg, p, -1, FALSE); |
| arg_end = arg + 1; |
| vim_free(tofree); |
| } |
| } |
| |
| /* |
| * ":let var = expr": Set internal variable. |
| * ":let {expr} = expr": Idem, name made with curly braces |
| */ |
| else if ((eval_isnamec(*arg) && !VIM_ISDIGIT(*arg)) || *arg == '{') |
| { |
| lval_T lv; |
| |
| p = get_lval(arg, tv, &lv, FALSE, FALSE, FALSE); |
| if (p != NULL && lv.ll_name != NULL) |
| { |
| if (endchars != NULL && vim_strchr(endchars, *skipwhite(p)) == NULL) |
| EMSG(_(e_letunexp)); |
| else |
| { |
| set_var_lval(&lv, p, tv, copy, op); |
| arg_end = p; |
| } |
| } |
| clear_lval(&lv); |
| } |
| |
| else |
| EMSG2(_(e_invarg2), arg); |
| |
| return arg_end; |
| } |
| |
| /* |
| * If "arg" is equal to "b:changedtick" give an error and return TRUE. |
| */ |
| static int |
| check_changedtick(arg) |
| char_u *arg; |
| { |
| if (STRNCMP(arg, "b:changedtick", 13) == 0 && !eval_isnamec(arg[13])) |
| { |
| EMSG2(_(e_readonlyvar), arg); |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| /* |
| * Get an lval: variable, Dict item or List item that can be assigned a value |
| * to: "name", "na{me}", "name[expr]", "name[expr:expr]", "name[expr][expr]", |
| * "name.key", "name.key[expr]" etc. |
| * Indexing only works if "name" is an existing List or Dictionary. |
| * "name" points to the start of the name. |
| * If "rettv" is not NULL it points to the value to be assigned. |
| * "unlet" is TRUE for ":unlet": slightly different behavior when something is |
| * wrong; must end in space or cmd separator. |
| * |
| * Returns a pointer to just after the name, including indexes. |
| * When an evaluation error occurs "lp->ll_name" is NULL; |
| * Returns NULL for a parsing error. Still need to free items in "lp"! |
| */ |
| static char_u * |
| get_lval(name, rettv, lp, unlet, skip, quiet) |
| char_u *name; |
| typval_T *rettv; |
| lval_T *lp; |
| int unlet; |
| int skip; |
| int quiet; /* don't give error messages */ |
| { |
| char_u *p; |
| char_u *expr_start, *expr_end; |
| int cc; |
| dictitem_T *v; |
| typval_T var1; |
| typval_T var2; |
| int empty1 = FALSE; |
| listitem_T *ni; |
| char_u *key = NULL; |
| int len; |
| hashtab_T *ht; |
| |
| /* Clear everything in "lp". */ |
| vim_memset(lp, 0, sizeof(lval_T)); |
| |
| if (skip) |
| { |
| /* When skipping just find the end of the name. */ |
| lp->ll_name = name; |
| return find_name_end(name, NULL, NULL, TRUE); |
| } |
| |
| /* Find the end of the name. */ |
| p = find_name_end(name, &expr_start, &expr_end, FALSE); |
| if (expr_start != NULL) |
| { |
| /* Don't expand the name when we already know there is an error. */ |
| if (unlet && !vim_iswhite(*p) && !ends_excmd(*p) |
| && *p != '[' && *p != '.') |
| { |
| EMSG(_(e_trailing)); |
| return NULL; |
| } |
| |
| lp->ll_exp_name = make_expanded_name(name, expr_start, expr_end, p); |
| if (lp->ll_exp_name == NULL) |
| { |
| /* Report an invalid expression in braces, unless the |
| * expression evaluation has been cancelled due to an |
| * aborting error, an interrupt, or an exception. */ |
| if (!aborting() && !quiet) |
| { |
| emsg_severe = TRUE; |
| EMSG2(_(e_invarg2), name); |
| return NULL; |
| } |
| } |
| lp->ll_name = lp->ll_exp_name; |
| } |
| else |
| lp->ll_name = name; |
| |
| /* Without [idx] or .key we are done. */ |
| if ((*p != '[' && *p != '.') || lp->ll_name == NULL) |
| return p; |
| |
| cc = *p; |
| *p = NUL; |
| v = find_var(lp->ll_name, &ht); |
| if (v == NULL && !quiet) |
| EMSG2(_(e_undefvar), lp->ll_name); |
| *p = cc; |
| if (v == NULL) |
| return NULL; |
| |
| /* |
| * Loop until no more [idx] or .key is following. |
| */ |
| lp->ll_tv = &v->di_tv; |
| while (*p == '[' || (*p == '.' && lp->ll_tv->v_type == VAR_DICT)) |
| { |
| if (!(lp->ll_tv->v_type == VAR_LIST && lp->ll_tv->vval.v_list != NULL) |
| && !(lp->ll_tv->v_type == VAR_DICT |
| && lp->ll_tv->vval.v_dict != NULL)) |
| { |
| if (!quiet) |
| EMSG(_("E689: Can only index a List or Dictionary")); |
| return NULL; |
| } |
| if (lp->ll_range) |
| { |
| if (!quiet) |
| EMSG(_("E708: [:] must come last")); |
| return NULL; |
| } |
| |
| len = -1; |
| if (*p == '.') |
| { |
| key = p + 1; |
| for (len = 0; ASCII_ISALNUM(key[len]) || key[len] == '_'; ++len) |
| ; |
| if (len == 0) |
| { |
| if (!quiet) |
| EMSG(_(e_emptykey)); |
| return NULL; |
| } |
| p = key + len; |
| } |
| else |
| { |
| /* Get the index [expr] or the first index [expr: ]. */ |
| p = skipwhite(p + 1); |
| if (*p == ':') |
| empty1 = TRUE; |
| else |
| { |
| empty1 = FALSE; |
| if (eval1(&p, &var1, TRUE) == FAIL) /* recursive! */ |
| return NULL; |
| } |
| |
| /* Optionally get the second index [ :expr]. */ |
| if (*p == ':') |
| { |
| if (lp->ll_tv->v_type == VAR_DICT) |
| { |
| if (!quiet) |
| EMSG(_(e_dictrange)); |
| if (!empty1) |
| clear_tv(&var1); |
| return NULL; |
| } |
| if (rettv != NULL && (rettv->v_type != VAR_LIST |
| || rettv->vval.v_list == NULL)) |
| { |
| if (!quiet) |
| EMSG(_("E709: [:] requires a List value")); |
| if (!empty1) |
| clear_tv(&var1); |
| return NULL; |
| } |
| p = skipwhite(p + 1); |
| if (*p == ']') |
| lp->ll_empty2 = TRUE; |
| else |
| { |
| lp->ll_empty2 = FALSE; |
| if (eval1(&p, &var2, TRUE) == FAIL) /* recursive! */ |
| { |
| if (!empty1) |
| clear_tv(&var1); |
| return NULL; |
| } |
| } |
| lp->ll_range = TRUE; |
| } |
| else |
| lp->ll_range = FALSE; |
| |
| if (*p != ']') |
| { |
| if (!quiet) |
| EMSG(_(e_missbrac)); |
| if (!empty1) |
| clear_tv(&var1); |
| if (lp->ll_range && !lp->ll_empty2) |
| clear_tv(&var2); |
| return NULL; |
| } |
| |
| /* Skip to past ']'. */ |
| ++p; |
| } |
| |
| if (lp->ll_tv->v_type == VAR_DICT) |
| { |
| if (len == -1) |
| { |
| /* "[key]": get key from "var1" */ |
| key = get_tv_string(&var1); |
| if (*key == NUL) |
| { |
| if (!quiet) |
| EMSG(_(e_emptykey)); |
| clear_tv(&var1); |
| return NULL; |
| } |
| } |
| lp->ll_list = NULL; |
| lp->ll_dict = lp->ll_tv->vval.v_dict; |
| lp->ll_di = dict_find(lp->ll_dict, key, len); |
| if (lp->ll_di == NULL) |
| { |
| /* Key does not exist in dict: may need to add it. */ |
| if (*p == '[' || *p == '.' || unlet) |
| { |
| if (!quiet) |
| EMSG2(_(e_dictkey), key); |
| if (len == -1) |
| clear_tv(&var1); |
| return NULL; |
| } |
| if (len == -1) |
| lp->ll_newkey = vim_strsave(key); |
| else |
| lp->ll_newkey = vim_strnsave(key, len); |
| if (len == -1) |
| clear_tv(&var1); |
| if (lp->ll_newkey == NULL) |
| p = NULL; |
| break; |
| } |
| if (len == -1) |
| clear_tv(&var1); |
| lp->ll_tv = &lp->ll_di->di_tv; |
| } |
| else |
| { |
| /* |
| * Get the number and item for the only or first index of the List. |
| */ |
| if (empty1) |
| lp->ll_n1 = 0; |
| else |
| { |
| lp->ll_n1 = get_tv_number(&var1); |
| clear_tv(&var1); |
| } |
| lp->ll_dict = NULL; |
| lp->ll_list = lp->ll_tv->vval.v_list; |
| lp->ll_li = list_find(lp->ll_list, lp->ll_n1); |
| if (lp->ll_li == NULL) |
| { |
| if (!quiet) |
| EMSGN(_(e_listidx), lp->ll_n1); |
| if (lp->ll_range && !lp->ll_empty2) |
| clear_tv(&var2); |
| return NULL; |
| } |
| |
| /* |
| * May need to find the item or absolute index for the second |
| * index of a range. |
| * When no index given: "lp->ll_empty2" is TRUE. |
| * Otherwise "lp->ll_n2" is set to the second index. |
| */ |
| if (lp->ll_range && !lp->ll_empty2) |
| { |
| lp->ll_n2 = get_tv_number(&var2); |
| clear_tv(&var2); |
| if (lp->ll_n2 < 0) |
| { |
| ni = list_find(lp->ll_list, lp->ll_n2); |
| if (ni == NULL) |
| { |
| if (!quiet) |
| EMSGN(_(e_listidx), lp->ll_n2); |
| return NULL; |
| } |
| lp->ll_n2 = list_idx_of_item(lp->ll_list, ni); |
| } |
| |
| /* Check that lp->ll_n2 isn't before lp->ll_n1. */ |
| if (lp->ll_n1 < 0) |
| lp->ll_n1 = list_idx_of_item(lp->ll_list, lp->ll_li); |
| if (lp->ll_n2 < lp->ll_n1) |
| { |
| if (!quiet) |
| EMSGN(_(e_listidx), lp->ll_n2); |
| return NULL; |
| } |
| } |
| |
| lp->ll_tv = &lp->ll_li->li_tv; |
| } |
| } |
| |
| return p; |
| } |
| |
| /* |
| * Clear lval "lp" that was filled by get_lval(). |
| */ |
| static void |
| clear_lval(lp) |
| lval_T *lp; |
| { |
| vim_free(lp->ll_exp_name); |
| vim_free(lp->ll_newkey); |
| } |
| |
| /* |
| * Set a variable that was parsed by get_lval() to "rettv". |
| * "endp" points to just after the parsed name. |
| * "op" is NULL, "+" for "+=", "-" for "-=", "." for ".=" or "=" for "=". |
| */ |
| static void |
| set_var_lval(lp, endp, rettv, copy, op) |
| lval_T *lp; |
| char_u *endp; |
| typval_T *rettv; |
| int copy; |
| char_u *op; |
| { |
| int cc; |
| listitem_T *ni; |
| listitem_T *ri; |
| dictitem_T *di; |
| |
| if (lp->ll_tv == NULL) |
| { |
| if (!check_changedtick(lp->ll_name)) |
| { |
| cc = *endp; |
| *endp = NUL; |
| if (op != NULL && *op != '=') |
| { |
| typval_T tv; |
| |
| /* handle +=, -= and .= */ |
| if (get_var_tv(lp->ll_name, STRLEN(lp->ll_name), &tv) == OK) |
| { |
| if (tv_op(&tv, rettv, op) == OK) |
| set_var(lp->ll_name, &tv, FALSE); |
| clear_tv(&tv); |
| } |
| } |
| else |
| set_var(lp->ll_name, rettv, copy); |
| *endp = cc; |
| } |
| } |
| else if (tv_check_lock(lp->ll_newkey == NULL |
| ? lp->ll_tv->v_lock |
| : lp->ll_tv->vval.v_dict->dv_lock, lp->ll_name)) |
| ; |
| else if (lp->ll_range) |
| { |
| /* |
| * Assign the List values to the list items. |
| */ |
| for (ri = rettv->vval.v_list->lv_first; ri != NULL; ) |
| { |
| if (op != NULL && *op != '=') |
| tv_op(&lp->ll_li->li_tv, &ri->li_tv, op); |
| else |
| { |
| clear_tv(&lp->ll_li->li_tv); |
| copy_tv(&ri->li_tv, &lp->ll_li->li_tv); |
| } |
| ri = ri->li_next; |
| if (ri == NULL || (!lp->ll_empty2 && lp->ll_n2 == lp->ll_n1)) |
| break; |
| if (lp->ll_li->li_next == NULL) |
| { |
| /* Need to add an empty item. */ |
| ni = listitem_alloc(); |
| if (ni == NULL) |
| { |
| ri = NULL; |
| break; |
| } |
| ni->li_tv.v_type = VAR_NUMBER; |
| ni->li_tv.v_lock = 0; |
| ni->li_tv.vval.v_number = 0; |
| list_append(lp->ll_list, ni); |
| } |
| lp->ll_li = lp->ll_li->li_next; |
| ++lp->ll_n1; |
| } |
| if (ri != NULL) |
| EMSG(_("E710: List value has more items than target")); |
| else if (lp->ll_empty2 |
| ? (lp->ll_li != NULL && lp->ll_li->li_next != NULL) |
| : lp->ll_n1 != lp->ll_n2) |
| EMSG(_("E711: List value has not enough items")); |
| } |
| else |
| { |
| /* |
| * Assign to a List or Dictionary item. |
| */ |
| if (lp->ll_newkey != NULL) |
| { |
| if (op != NULL && *op != '=') |
| { |
| EMSG2(_(e_letwrong), op); |
| return; |
| } |
| |
| /* Need to add an item to the Dictionary. */ |
| di = dictitem_alloc(lp->ll_newkey); |
| if (di == NULL) |
| return; |
| if (dict_add(lp->ll_tv->vval.v_dict, di) == FAIL) |
| { |
| vim_free(di); |
| return; |
| } |
| lp->ll_tv = &di->di_tv; |
| } |
| else if (op != NULL && *op != '=') |
| { |
| tv_op(lp->ll_tv, rettv, op); |
| return; |
| } |
| else |
| clear_tv(lp->ll_tv); |
| |
| /* |
| * Assign the value to the variable or list item. |
| */ |
| if (copy) |
| copy_tv(rettv, lp->ll_tv); |
| else |
| { |
| *lp->ll_tv = *rettv; |
| init_tv(rettv); |
| } |
| } |
| } |
| |
| /* |
| * Handle "tv1 += tv2", "tv1 -= tv2" and "tv1 .= tv2" |
| * Returns OK or FAIL. |
| */ |
| static int |
| tv_op(tv1, tv2, op) |
| typval_T *tv1; |
| typval_T *tv2; |
| char_u *op; |
| { |
| long n; |
| char_u numbuf[NUMBUFLEN]; |
| char_u *s; |
| |
| /* Can't do anything with a Funcref or a Dict on the right. */ |
| if (tv2->v_type != VAR_FUNC && tv2->v_type != VAR_DICT) |
| { |
| switch (tv1->v_type) |
| { |
| case VAR_DICT: |
| case VAR_FUNC: |
| break; |
| |
| case VAR_LIST: |
| if (*op != '+' || tv2->v_type != VAR_LIST) |
| break; |
| /* List += List */ |
| if (tv1->vval.v_list != NULL && tv2->vval.v_list != NULL) |
| list_extend(tv1->vval.v_list, tv2->vval.v_list, NULL); |
| return OK; |
| |
| case VAR_NUMBER: |
| case VAR_STRING: |
| if (tv2->v_type == VAR_LIST) |
| break; |
| if (*op == '+' || *op == '-') |
| { |
| /* nr += nr or nr -= nr*/ |
| n = get_tv_number(tv1); |
| if (*op == '+') |
| n += get_tv_number(tv2); |
| else |
| n -= get_tv_number(tv2); |
| clear_tv(tv1); |
| tv1->v_type = VAR_NUMBER; |
| tv1->vval.v_number = n; |
| } |
| else |
| { |
| /* str .= str */ |
| s = get_tv_string(tv1); |
| s = concat_str(s, get_tv_string_buf(tv2, numbuf)); |
| clear_tv(tv1); |
| tv1->v_type = VAR_STRING; |
| tv1->vval.v_string = s; |
| } |
| return OK; |
| } |
| } |
| |
| EMSG2(_(e_letwrong), op); |
| return FAIL; |
| } |
| |
| /* |
| * Add a watcher to a list. |
| */ |
| static void |
| list_add_watch(l, lw) |
| list_T *l; |
| listwatch_T *lw; |
| { |
| lw->lw_next = l->lv_watch; |
| l->lv_watch = lw; |
| } |
| |
| /* |
| * Remove a watches from a list. |
| * No warning when it isn't found... |
| */ |
| static void |
| list_rem_watch(l, lwrem) |
| list_T *l; |
| listwatch_T *lwrem; |
| { |
| listwatch_T *lw, **lwp; |
| |
| lwp = &l->lv_watch; |
| for (lw = l->lv_watch; lw != NULL; lw = lw->lw_next) |
| { |
| if (lw == lwrem) |
| { |
| *lwp = lw->lw_next; |
| break; |
| } |
| lwp = &lw->lw_next; |
| } |
| } |
| |
| /* |
| * Just before removing an item from a list: advance watchers to the next |
| * item. |
| */ |
| static void |
| list_fix_watch(l, item) |
| list_T *l; |
| listitem_T *item; |
| { |
| listwatch_T *lw; |
| |
| for (lw = l->lv_watch; lw != NULL; lw = lw->lw_next) |
| if (lw->lw_item == item) |
| lw->lw_item = item->li_next; |
| } |
| |
| /* |
| * Evaluate the expression used in a ":for var in expr" command. |
| * "arg" points to "var". |
| * Set "*errp" to TRUE for an error, FALSE otherwise; |
| * Return a pointer that holds the info. Null when there is an error. |
| */ |
| void * |
| eval_for_line(arg, errp, nextcmdp, skip) |
| char_u *arg; |
| int *errp; |
| char_u **nextcmdp; |
| int skip; |
| { |
| forinfo_T *fi; |
| char_u *expr; |
| typval_T tv; |
| list_T *l; |
| |
| *errp = TRUE; /* default: there is an error */ |
| |
| fi = (forinfo_T *)alloc_clear(sizeof(forinfo_T)); |
| if (fi == NULL) |
| return NULL; |
| |
| expr = skip_var_list(arg, &fi->fi_varcount, &fi->fi_semicolon); |
| if (expr == NULL) |
| return fi; |
| |
| expr = skipwhite(expr); |
| if (expr[0] != 'i' || expr[1] != 'n' || !vim_iswhite(expr[2])) |
| { |
| EMSG(_("E690: Missing \"in\" after :for")); |
| return fi; |
| } |
| |
| if (skip) |
| ++emsg_skip; |
| if (eval0(skipwhite(expr + 2), &tv, nextcmdp, !skip) == OK) |
| { |
| *errp = FALSE; |
| if (!skip) |
| { |
| l = tv.vval.v_list; |
| if (tv.v_type != VAR_LIST || l == NULL) |
| EMSG(_(e_listreq)); |
| else |
| { |
| fi->fi_list = l; |
| list_add_watch(l, &fi->fi_lw); |
| fi->fi_lw.lw_item = l->lv_first; |
| } |
| } |
| } |
| if (skip) |
| --emsg_skip; |
| |
| return fi; |
| } |
| |
| /* |
| * Use the first item in a ":for" list. Advance to the next. |
| * Assign the values to the variable (list). "arg" points to the first one. |
| * Return TRUE when a valid item was found, FALSE when at end of list or |
| * something wrong. |
| */ |
| int |
| next_for_item(fi_void, arg) |
| void *fi_void; |
| char_u *arg; |
| { |
| forinfo_T *fi = (forinfo_T *)fi_void; |
| int result; |
| listitem_T *item; |
| |
| item = fi->fi_lw.lw_item; |
| if (item == NULL) |
| result = FALSE; |
| else |
| { |
| fi->fi_lw.lw_item = item->li_next; |
| result = (ex_let_vars(arg, &item->li_tv, TRUE, |
| fi->fi_semicolon, fi->fi_varcount, NULL) == OK); |
| } |
| return result; |
| } |
| |
| /* |
| * Free the structure used to store info used by ":for". |
| */ |
| void |
| free_for_info(fi_void) |
| void *fi_void; |
| { |
| forinfo_T *fi = (forinfo_T *)fi_void; |
| |
| if (fi != NULL && fi->fi_list != NULL) |
| list_rem_watch(fi->fi_list, &fi->fi_lw); |
| vim_free(fi); |
| } |
| |
| #if defined(FEAT_CMDL_COMPL) || defined(PROTO) |
| |
| void |
| set_context_for_expression(xp, arg, cmdidx) |
| expand_T *xp; |
| char_u *arg; |
| cmdidx_T cmdidx; |
| { |
| int got_eq = FALSE; |
| int c; |
| char_u *p; |
| |
| if (cmdidx == CMD_let) |
| { |
| xp->xp_context = EXPAND_USER_VARS; |
| if (vim_strchr(arg, '=') == NULL) |
| { |
| /* ":let var1 var2 ...": find last space. */ |
| for (p = arg + STRLEN(arg); p > arg; ) |
| { |
| xp->xp_pattern = p; |
| mb_ptr_back(arg, p); |
| if (vim_iswhite(*p)) |
| break; |
| } |
| return; |
| } |
| } |
| else |
| xp->xp_context = cmdidx == CMD_call ? EXPAND_FUNCTIONS |
| : EXPAND_EXPRESSION; |
| while ((xp->xp_pattern = vim_strpbrk(arg, |
| (char_u *)"\"'+-*/%.=!?~|&$([<>,#")) != NULL) |
| { |
| c = *xp->xp_pattern; |
| if (c == '&') |
| { |
| c = xp->xp_pattern[1]; |
| if (c == '&') |
| { |
| ++xp->xp_pattern; |
| xp->xp_context = cmdidx != CMD_let || got_eq |
| ? EXPAND_EXPRESSION : EXPAND_NOTHING; |
| } |
| else if (c != ' ') |
| xp->xp_context = EXPAND_SETTINGS; |
| } |
| else if (c == '$') |
| { |
| /* environment variable */ |
| xp->xp_context = EXPAND_ENV_VARS; |
| } |
| else if (c == '=') |
| { |
| got_eq = TRUE; |
| xp->xp_context = EXPAND_EXPRESSION; |
| } |
| else if (c == '<' |
| && xp->xp_context == EXPAND_FUNCTIONS |
| && vim_strchr(xp->xp_pattern, '(') == NULL) |
| { |
| /* Function name can start with "<SNR>" */ |
| break; |
| } |
| else if (cmdidx != CMD_let || got_eq) |
| { |
| if (c == '"') /* string */ |
| { |
| while ((c = *++xp->xp_pattern) != NUL && c != '"') |
| if (c == '\\' && xp->xp_pattern[1] != NUL) |
| ++xp->xp_pattern; |
| xp->xp_context = EXPAND_NOTHING; |
| } |
| else if (c == '\'') /* literal string */ |
| { |
| /* Trick: '' is like stopping and starting a literal string. */ |
| while ((c = *++xp->xp_pattern) != NUL && c != '\'') |
| /* skip */ ; |
| xp->xp_context = EXPAND_NOTHING; |
| } |
| else if (c == '|') |
| { |
| if (xp->xp_pattern[1] == '|') |
| { |
| ++xp->xp_pattern; |
| xp->xp_context = EXPAND_EXPRESSION; |
| } |
| else |
| xp->xp_context = EXPAND_COMMANDS; |
| } |
| else |
| xp->xp_context = EXPAND_EXPRESSION; |
| } |
| else |
| /* Doesn't look like something valid, expand as an expression |
| * anyway. */ |
| xp->xp_context = EXPAND_EXPRESSION; |
| arg = xp->xp_pattern; |
| if (*arg != NUL) |
| while ((c = *++arg) != NUL && (c == ' ' || c == '\t')) |
| /* skip */ ; |
| } |
| xp->xp_pattern = arg; |
| } |
| |
| #endif /* FEAT_CMDL_COMPL */ |
| |
| /* |
| * ":1,25call func(arg1, arg2)" function call. |
| */ |
| void |
| ex_call(eap) |
| exarg_T *eap; |
| { |
| char_u *arg = eap->arg; |
| char_u *startarg; |
| char_u *name; |
| char_u *tofree; |
| int len; |
| typval_T rettv; |
| linenr_T lnum; |
| int doesrange; |
| int failed = FALSE; |
| funcdict_T fudi; |
| |
| tofree = trans_function_name(&arg, eap->skip, TFN_INT, &fudi); |
| vim_free(fudi.fd_newkey); |
| if (tofree == NULL) |
| return; |
| |
| /* Increase refcount on dictionary, it could get deleted when evaluating |
| * the arguments. */ |
| if (fudi.fd_dict != NULL) |
| ++fudi.fd_dict->dv_refcount; |
| |
| /* If it is the name of a variable of type VAR_FUNC use its contents. */ |
| len = STRLEN(tofree); |
| name = deref_func_name(tofree, &len); |
| |
| /* Skip white space to allow ":call func ()". Not good, but required for |
| * backward compatibility. */ |
| startarg = skipwhite(arg); |
| rettv.v_type = VAR_UNKNOWN; /* clear_tv() uses this */ |
| |
| if (*startarg != '(') |
| { |
| EMSG2(_("E107: Missing braces: %s"), name); |
| goto end; |
| } |
| |
| /* |
| * When skipping, evaluate the function once, to find the end of the |
| * arguments. |
| * When the function takes a range, this is discovered after the first |
| * call, and the loop is broken. |
| */ |
| if (eap->skip) |
| { |
| ++emsg_skip; |
| lnum = eap->line2; /* do it once, also with an invalid range */ |
| } |
| else |
| lnum = eap->line1; |
| for ( ; lnum <= eap->line2; ++lnum) |
| { |
| if (!eap->skip && eap->addr_count > 0) |
| { |
| curwin->w_cursor.lnum = lnum; |
| curwin->w_cursor.col = 0; |
| } |
| arg = startarg; |
| if (get_func_tv(name, STRLEN(name), &rettv, &arg, |
| eap->line1, eap->line2, &doesrange, |
| !eap->skip, fudi.fd_dict) == FAIL) |
| { |
| failed = TRUE; |
| break; |
| } |
| clear_tv(&rettv); |
| if (doesrange || eap->skip) |
| break; |
| /* Stop when immediately aborting on error, or when an interrupt |
| * occurred or an exception was thrown but not caught. |
| * get_func_tv() returned OK, so that the check for trailing |
| * characters below is executed. */ |
| if (aborting()) |
| break; |
| } |
| if (eap->skip) |
| --emsg_skip; |
| |
| if (!failed) |
| { |
| /* Check for trailing illegal characters and a following command. */ |
| if (!ends_excmd(*arg)) |
| { |
| emsg_severe = TRUE; |
| EMSG(_(e_trailing)); |
| } |
| else |
| eap->nextcmd = check_nextcmd(arg); |
| } |
| |
| end: |
| dict_unref(fudi.fd_dict); |
| vim_free(tofree); |
| } |
| |
| /* |
| * ":unlet[!] var1 ... " command. |
| */ |
| void |
| ex_unlet(eap) |
| exarg_T *eap; |
| { |
| ex_unletlock(eap, eap->arg, 0); |
| } |
| |
| /* |
| * ":lockvar" and ":unlockvar" commands |
| */ |
| void |
| ex_lockvar(eap) |
| exarg_T *eap; |
| { |
| char_u *arg = eap->arg; |
| int deep = 2; |
| |
| if (eap->forceit) |
| deep = -1; |
| else if (vim_isdigit(*arg)) |
| { |
| deep = getdigits(&arg); |
| arg = skipwhite(arg); |
| } |
| |
| ex_unletlock(eap, arg, deep); |
| } |
| |
| /* |
| * ":unlet", ":lockvar" and ":unlockvar" are quite similar. |
| */ |
| static void |
| ex_unletlock(eap, argstart, deep) |
| exarg_T *eap; |
| char_u *argstart; |
| int deep; |
| { |
| char_u *arg = argstart; |
| char_u *name_end; |
| int error = FALSE; |
| lval_T lv; |
| |
| do |
| { |
| /* Parse the name and find the end. */ |
| name_end = get_lval(arg, NULL, &lv, TRUE, eap->skip || error, FALSE); |
| if (lv.ll_name == NULL) |
| error = TRUE; /* error but continue parsing */ |
| if (name_end == NULL || (!vim_iswhite(*name_end) |
| && !ends_excmd(*name_end))) |
| { |
| if (name_end != NULL) |
| { |
| emsg_severe = TRUE; |
| EMSG(_(e_trailing)); |
| } |
| if (!(eap->skip || error)) |
| clear_lval(&lv); |
| break; |
| } |
| |
| if (!error && !eap->skip) |
| { |
| if (eap->cmdidx == CMD_unlet) |
| { |
| if (do_unlet_var(&lv, name_end, eap->forceit) == FAIL) |
| error = TRUE; |
| } |
| else |
| { |
| if (do_lock_var(&lv, name_end, deep, |
| eap->cmdidx == CMD_lockvar) == FAIL) |
| error = TRUE; |
| } |
| } |
| |
| if (!eap->skip) |
| clear_lval(&lv); |
| |
| arg = skipwhite(name_end); |
| } while (!ends_excmd(*arg)); |
| |
| eap->nextcmd = check_nextcmd(arg); |
| } |
| |
| static int |
| do_unlet_var(lp, name_end, forceit) |
| lval_T *lp; |
| char_u *name_end; |
| int forceit; |
| { |
| int ret = OK; |
| int cc; |
| |
| if (lp->ll_tv == NULL) |
| { |
| cc = *name_end; |
| *name_end = NUL; |
| |
| /* Normal name or expanded name. */ |
| if (check_changedtick(lp->ll_name)) |
| ret = FAIL; |
| else if (do_unlet(lp->ll_name, forceit) == FAIL) |
| ret = FAIL; |
| *name_end = cc; |
| } |
| else if (tv_check_lock(lp->ll_tv->v_lock, lp->ll_name)) |
| return FAIL; |
| else if (lp->ll_range) |
| { |
| listitem_T *li; |
| |
| /* Delete a range of List items. */ |
| while (lp->ll_li != NULL && (lp->ll_empty2 || lp->ll_n2 >= lp->ll_n1)) |
| { |
| li = lp->ll_li->li_next; |
| listitem_remove(lp->ll_list, lp->ll_li); |
| lp->ll_li = li; |
| ++lp->ll_n1; |
| } |
| } |
| else |
| { |
| if (lp->ll_list != NULL) |
| /* unlet a List item. */ |
| listitem_remove(lp->ll_list, lp->ll_li); |
| else |
| /* unlet a Dictionary item. */ |
| dictitem_remove(lp->ll_dict, lp->ll_di); |
| } |
| |
| return ret; |
| } |
| |
| /* |
| * "unlet" a variable. Return OK if it existed, FAIL if not. |
| * When "forceit" is TRUE don't complain if the variable doesn't exist. |
| */ |
| int |
| do_unlet(name, forceit) |
| char_u *name; |
| int forceit; |
| { |
| hashtab_T *ht; |
| hashitem_T *hi; |
| char_u *varname; |
| |
| ht = find_var_ht(name, &varname); |
| if (ht != NULL && *varname != NUL) |
| { |
| hi = hash_find(ht, varname); |
| if (!HASHITEM_EMPTY(hi)) |
| { |
| if (var_check_ro(HI2DI(hi)->di_flags, name)) |
| return FAIL; |
| delete_var(ht, hi); |
| return OK; |
| } |
| } |
| if (forceit) |
| return OK; |
| EMSG2(_("E108: No such variable: \"%s\""), name); |
| return FAIL; |
| } |
| |
| /* |
| * Lock or unlock variable indicated by "lp". |
| * "deep" is the levels to go (-1 for unlimited); |
| * "lock" is TRUE for ":lockvar", FALSE for ":unlockvar". |
| */ |
| static int |
| do_lock_var(lp, name_end, deep, lock) |
| lval_T *lp; |
| char_u *name_end; |
| int deep; |
| int lock; |
| { |
| int ret = OK; |
| int cc; |
| dictitem_T *di; |
| |
| if (deep == 0) /* nothing to do */ |
| return OK; |
| |
| if (lp->ll_tv == NULL) |
| { |
| cc = *name_end; |
| *name_end = NUL; |
| |
| /* Normal name or expanded name. */ |
| if (check_changedtick(lp->ll_name)) |
| ret = FAIL; |
| else |
| { |
| di = find_var(lp->ll_name, NULL); |
| if (di == NULL) |
| ret = FAIL; |
| else |
| { |
| if (lock) |
| di->di_flags |= DI_FLAGS_LOCK; |
| else |
| di->di_flags &= ~DI_FLAGS_LOCK; |
| item_lock(&di->di_tv, deep, lock); |
| } |
| } |
| *name_end = cc; |
| } |
| else if (lp->ll_range) |
| { |
| listitem_T *li = lp->ll_li; |
| |
| /* (un)lock a range of List items. */ |
| while (li != NULL && (lp->ll_empty2 || lp->ll_n2 >= lp->ll_n1)) |
| { |
| item_lock(&li->li_tv, deep, lock); |
| li = li->li_next; |
| ++lp->ll_n1; |
| } |
| } |
| else if (lp->ll_list != NULL) |
| /* (un)lock a List item. */ |
| item_lock(&lp->ll_li->li_tv, deep, lock); |
| else |
| /* un(lock) a Dictionary item. */ |
| item_lock(&lp->ll_di->di_tv, deep, lock); |
| |
| return ret; |
| } |
| |
| /* |
| * Lock or unlock an item. "deep" is nr of levels to go. |
| */ |
| static void |
| item_lock(tv, deep, lock) |
| typval_T *tv; |
| int deep; |
| int lock; |
| { |
| static int recurse = 0; |
| list_T *l; |
| listitem_T *li; |
| dict_T *d; |
| hashitem_T *hi; |
| int todo; |
| |
| if (recurse >= DICT_MAXNEST) |
| { |
| EMSG(_("E743: variable nested too deep for (un)lock")); |
| return; |
| } |
| if (deep == 0) |
| return; |
| ++recurse; |
| |
| /* lock/unlock the item itself */ |
| if (lock) |
| tv->v_lock |= VAR_LOCKED; |
| else |
| tv->v_lock &= ~VAR_LOCKED; |
| |
| switch (tv->v_type) |
| { |
| case VAR_LIST: |
| if ((l = tv->vval.v_list) != NULL) |
| { |
| if (lock) |
| l->lv_lock |= VAR_LOCKED; |
| else |
| l->lv_lock &= ~VAR_LOCKED; |
| if (deep < 0 || deep > 1) |
| /* recursive: lock/unlock the items the List contains */ |
| for (li = l->lv_first; li != NULL; li = li->li_next) |
| item_lock(&li->li_tv, deep - 1, lock); |
| } |
| break; |
| case VAR_DICT: |
| if ((d = tv->vval.v_dict) != NULL) |
| { |
| if (lock) |
| d->dv_lock |= VAR_LOCKED; |
| else |
| d->dv_lock &= ~VAR_LOCKED; |
| if (deep < 0 || deep > 1) |
| { |
| /* recursive: lock/unlock the items the List contains */ |
| todo = d->dv_hashtab.ht_used; |
| for (hi = d->dv_hashtab.ht_array; todo > 0; ++hi) |
| { |
| if (!HASHITEM_EMPTY(hi)) |
| { |
| --todo; |
| item_lock(&HI2DI(hi)->di_tv, deep - 1, lock); |
| } |
| } |
| } |
| } |
| } |
| --recurse; |
| } |
| |
| #if (defined(FEAT_MENU) && defined(FEAT_MULTI_LANG)) || defined(PROTO) |
| /* |
| * Delete all "menutrans_" variables. |
| */ |
| void |
| del_menutrans_vars() |
| { |
| hashitem_T *hi; |
| int todo; |
| |
| hash_lock(&globvarht); |
| todo = globvarht.ht_used; |
| for (hi = globvarht.ht_array; todo > 0 && !got_int; ++hi) |
| { |
| if (!HASHITEM_EMPTY(hi)) |
| { |
| --todo; |
| if (STRNCMP(HI2DI(hi)->di_key, "menutrans_", 10) == 0) |
| delete_var(&globvarht, hi); |
| } |
| } |
| hash_unlock(&globvarht); |
| } |
| #endif |
| |
| #if defined(FEAT_CMDL_COMPL) || defined(PROTO) |
| |
| /* |
| * Local string buffer for the next two functions to store a variable name |
| * with its prefix. Allocated in cat_prefix_varname(), freed later in |
| * get_user_var_name(). |
| */ |
| |
| static char_u *cat_prefix_varname __ARGS((int prefix, char_u *name)); |
| |
| static char_u *varnamebuf = NULL; |
| static int varnamebuflen = 0; |
| |
| /* |
| * Function to concatenate a prefix and a variable name. |
| */ |
| static char_u * |
| cat_prefix_varname(prefix, name) |
| int prefix; |
| char_u *name; |
| { |
| int len; |
| |
| len = (int)STRLEN(name) + 3; |
| if (len > varnamebuflen) |
| { |
| vim_free(varnamebuf); |
| len += 10; /* some additional space */ |
| varnamebuf = alloc(len); |
| if (varnamebuf == NULL) |
| { |
| varnamebuflen = 0; |
| return NULL; |
| } |
| varnamebuflen = len; |
| } |
| *varnamebuf = prefix; |
| varnamebuf[1] = ':'; |
| STRCPY(varnamebuf + 2, name); |
| return varnamebuf; |
| } |
| |
| /* |
| * Function given to ExpandGeneric() to obtain the list of user defined |
| * (global/buffer/window/built-in) variable names. |
| */ |
| /*ARGSUSED*/ |
| char_u * |
| get_user_var_name(xp, idx) |
| expand_T *xp; |
| int idx; |
| { |
| static long_u gdone; |
| static long_u bdone; |
| static long_u wdone; |
| static int vidx; |
| static hashitem_T *hi; |
| hashtab_T *ht; |
| |
| if (idx == 0) |
| gdone = bdone = wdone = vidx = 0; |
| |
| /* Global variables */ |
| if (gdone < globvarht.ht_used) |
| { |
| if (gdone++ == 0) |
| hi = globvarht.ht_array; |
| else |
| ++hi; |
| while (HASHITEM_EMPTY(hi)) |
| ++hi; |
| if (STRNCMP("g:", xp->xp_pattern, 2) == 0) |
| return cat_prefix_varname('g', hi->hi_key); |
| return hi->hi_key; |
| } |
| |
| /* b: variables */ |
| ht = &curbuf->b_vars.dv_hashtab; |
| if (bdone < ht->ht_used) |
| { |
| if (bdone++ == 0) |
| hi = ht->ht_array; |
| else |
| ++hi; |
| while (HASHITEM_EMPTY(hi)) |
| ++hi; |
| return cat_prefix_varname('b', hi->hi_key); |
| } |
| if (bdone == ht->ht_used) |
| { |
| ++bdone; |
| return (char_u *)"b:changedtick"; |
| } |
| |
| /* w: variables */ |
| ht = &curwin->w_vars.dv_hashtab; |
| if (wdone < ht->ht_used) |
| { |
| if (bdone++ == 0) |
| hi = ht->ht_array; |
| else |
| ++hi; |
| while (HASHITEM_EMPTY(hi)) |
| ++hi; |
| return cat_prefix_varname('w', hi->hi_key); |
| } |
| |
| /* v: variables */ |
| if (vidx < VV_LEN) |
| return cat_prefix_varname('v', (char_u *)vimvars[vidx++].vv_name); |
| |
| vim_free(varnamebuf); |
| varnamebuf = NULL; |
| varnamebuflen = 0; |
| return NULL; |
| } |
| |
| #endif /* FEAT_CMDL_COMPL */ |
| |
| /* |
| * types for expressions. |
| */ |
| typedef enum |
| { |
| TYPE_UNKNOWN = 0 |
| , TYPE_EQUAL /* == */ |
| , TYPE_NEQUAL /* != */ |
| , TYPE_GREATER /* > */ |
| , TYPE_GEQUAL /* >= */ |
| , TYPE_SMALLER /* < */ |
| , TYPE_SEQUAL /* <= */ |
| , TYPE_MATCH /* =~ */ |
| , TYPE_NOMATCH /* !~ */ |
| } exptype_T; |
| |
| /* |
| * The "evaluate" argument: When FALSE, the argument is only parsed but not |
| * executed. The function may return OK, but the rettv will be of type |
| * VAR_UNKNOWN. The function still returns FAIL for a syntax error. |
| */ |
| |
| /* |
| * Handle zero level expression. |
| * This calls eval1() and handles error message and nextcmd. |
| * Put the result in "rettv" when returning OK and "evaluate" is TRUE. |
| * Return OK or FAIL. |
| */ |
| static int |
| eval0(arg, rettv, nextcmd, evaluate) |
| char_u *arg; |
| typval_T *rettv; |
| char_u **nextcmd; |
| int evaluate; |
| { |
| int ret; |
| char_u *p; |
| |
| p = skipwhite(arg); |
| ret = eval1(&p, rettv, evaluate); |
| if (ret == FAIL || !ends_excmd(*p)) |
| { |
| if (ret != FAIL) |
| clear_tv(rettv); |
| /* |
| * Report the invalid expression unless the expression evaluation has |
| * been cancelled due to an aborting error, an interrupt, or an |
| * exception. |
| */ |
| if (!aborting()) |
| EMSG2(_(e_invexpr2), arg); |
| ret = FAIL; |
| } |
| if (nextcmd != NULL) |
| *nextcmd = check_nextcmd(p); |
| |
| return ret; |
| } |
| |
| /* |
| * Handle top level expression: |
| * expr1 ? expr0 : expr0 |
| * |
| * "arg" must point to the first non-white of the expression. |
| * "arg" is advanced to the next non-white after the recognized expression. |
| * |
| * Return OK or FAIL. |
| */ |
| static int |
| eval1(arg, rettv, evaluate) |
| char_u **arg; |
| typval_T *rettv; |
| int evaluate; |
| { |
| int result; |
| typval_T var2; |
| |
| /* |
| * Get the first variable. |
| */ |
| if (eval2(arg, rettv, evaluate) == FAIL) |
| return FAIL; |
| |
| if ((*arg)[0] == '?') |
| { |
| result = FALSE; |
| if (evaluate) |
| { |
| if (get_tv_number(rettv) != 0) |
| result = TRUE; |
| clear_tv(rettv); |
| } |
| |
| /* |
| * Get the second variable. |
| */ |
| *arg = skipwhite(*arg + 1); |
| if (eval1(arg, rettv, evaluate && result) == FAIL) /* recursive! */ |
| return FAIL; |
| |
| /* |
| * Check for the ":". |
| */ |
| if ((*arg)[0] != ':') |
| { |
| EMSG(_("E109: Missing ':' after '?'")); |
| if (evaluate && result) |
| clear_tv(rettv); |
| return FAIL; |
| } |
| |
| /* |
| * Get the third variable. |
| */ |
| *arg = skipwhite(*arg + 1); |
| if (eval1(arg, &var2, evaluate && !result) == FAIL) /* recursive! */ |
| { |
| if (evaluate && result) |
| clear_tv(rettv); |
| return FAIL; |
| } |
| if (evaluate && !result) |
| *rettv = var2; |
| } |
| |
| return OK; |
| } |
| |
| /* |
| * Handle first level expression: |
| * expr2 || expr2 || expr2 logical OR |
| * |
| * "arg" must point to the first non-white of the expression. |
| * "arg" is advanced to the next non-white after the recognized expression. |
| * |
| * Return OK or FAIL. |
| */ |
| static int |
| eval2(arg, rettv, evaluate) |
| char_u **arg; |
| typval_T *rettv; |
| int evaluate; |
| { |
| typval_T var2; |
| long result; |
| int first; |
| |
| /* |
| * Get the first variable. |
| */ |
| if (eval3(arg, rettv, evaluate) == FAIL) |
| return FAIL; |
| |
| /* |
| * Repeat until there is no following "||". |
| */ |
| first = TRUE; |
| result = FALSE; |
| while ((*arg)[0] == '|' && (*arg)[1] == '|') |
| { |
| if (evaluate && first) |
| { |
| if (get_tv_number(rettv) != 0) |
| result = TRUE; |
| clear_tv(rettv); |
| first = FALSE; |
| } |
| |
| /* |
| * Get the second variable. |
| */ |
| *arg = skipwhite(*arg + 2); |
| if (eval3(arg, &var2, evaluate && !result) == FAIL) |
| return FAIL; |
| |
| /* |
| * Compute the result. |
| */ |
| if (evaluate && !result) |
| { |
| if (get_tv_number(&var2) != 0) |
| result = TRUE; |
| clear_tv(&var2); |
| } |
| if (evaluate) |
| { |
| rettv->v_type = VAR_NUMBER; |
| rettv->vval.v_number = result; |
| } |
| } |
| |
| return OK; |
| } |
| |
| /* |
| * Handle second level expression: |
| * expr3 && expr3 && expr3 logical AND |
| * |
| * "arg" must point to the first non-white of the expression. |
| * "arg" is advanced to the next non-white after the recognized expression. |
| * |
| * Return OK or FAIL. |
| */ |
| static int |
| eval3(arg, rettv, evaluate) |
| char_u **arg; |
| typval_T *rettv; |
| int evaluate; |
| { |
| typval_T var2; |
| long result; |
| int first; |
| |
| /* |
| * Get the first variable. |
| */ |
| if (eval4(arg, rettv, evaluate) == FAIL) |
| return FAIL; |
| |
| /* |
| * Repeat until there is no following "&&". |
| */ |
| first = TRUE; |
| result = TRUE; |
| while ((*arg)[0] == '&' && (*arg)[1] == '&') |
| { |
| if (evaluate && first) |
| { |
| if (get_tv_number(rettv) == 0) |
| result = FALSE; |
| clear_tv(rettv); |
| first = FALSE; |
| } |
| |
| /* |
| * Get the second variable. |
| */ |
| *arg = skipwhite(*arg + 2); |
| if (eval4(arg, &var2, evaluate && result) == FAIL) |
| return FAIL; |
| |
| /* |
| * Compute the result. |
| */ |
| if (evaluate && result) |
| { |
| if (get_tv_number(&var2) == 0) |
| result = FALSE; |
| clear_tv(&var2); |
| } |
| if (evaluate) |
| { |
| rettv->v_type = VAR_NUMBER; |
| rettv->vval.v_number = result; |
| } |
| } |
| |
| return OK; |
| } |
| |
| /* |
| * Handle third level expression: |
| * var1 == var2 |
| * var1 =~ var2 |
| * var1 != var2 |
| * var1 !~ var2 |
| * var1 > var2 |
| * var1 >= var2 |
| * var1 < var2 |
| * var1 <= var2 |
| * var1 is var2 |
| * var1 isnot var2 |
| * |
| * "arg" must point to the first non-white of the expression. |
| * "arg" is advanced to the next non-white after the recognized expression. |
| * |
| * Return OK or FAIL. |
| */ |
| static int |
| eval4(arg, rettv, evaluate) |
| char_u **arg; |
| typval_T *rettv; |
| int evaluate; |
| { |
| typval_T var2; |
| char_u *p; |
| int i; |
| exptype_T type = TYPE_UNKNOWN; |
| int type_is = FALSE; /* TRUE for "is" and "isnot" */ |
| int len = 2; |
| long n1, n2; |
| char_u *s1, *s2; |
| char_u buf1[NUMBUFLEN], buf2[NUMBUFLEN]; |
| regmatch_T regmatch; |
| int ic; |
| char_u *save_cpo; |
| |
| /* |
| * Get the first variable. |
| */ |
| if (eval5(arg, rettv, evaluate) == FAIL) |
| return FAIL; |
| |
| p = *arg; |
| switch (p[0]) |
| { |
| case '=': if (p[1] == '=') |
| type = TYPE_EQUAL; |
| else if (p[1] == '~') |
| type = TYPE_MATCH; |
| break; |
| case '!': if (p[1] == '=') |
| type = TYPE_NEQUAL; |
| else if (p[1] == '~') |
| type = TYPE_NOMATCH; |
| break; |
| case '>': if (p[1] != '=') |
| { |
| type = TYPE_GREATER; |
| len = 1; |
| } |
| else |
| type = TYPE_GEQUAL; |
| break; |
| case '<': if (p[1] != '=') |
| { |
| type = TYPE_SMALLER; |
| len = 1; |
| } |
| else |
| type = TYPE_SEQUAL; |
| break; |
| case 'i': if (p[1] == 's') |
| { |
| if (p[2] == 'n' && p[3] == 'o' && p[4] == 't') |
| len = 5; |
| if (!vim_isIDc(p[len])) |
| { |
| type = len == 2 ? TYPE_EQUAL : TYPE_NEQUAL; |
| type_is = TRUE; |
| } |
| } |
| break; |
| } |
| |
| /* |
| * If there is a comparitive operator, use it. |
| */ |
| if (type != TYPE_UNKNOWN) |
| { |
| /* extra question mark appended: ignore case */ |
| if (p[len] == '?') |
| { |
| ic = TRUE; |
| ++len; |
| } |
| /* extra '#' appended: match case */ |
| else if (p[len] == '#') |
| { |
| ic = FALSE; |
| ++len; |
| } |
| /* nothing appened: use 'ignorecase' */ |
| else |
| ic = p_ic; |
| |
| /* |
| * Get the second variable. |
| */ |
| *arg = skipwhite(p + len); |
| if (eval5(arg, &var2, evaluate) == FAIL) |
| { |
| clear_tv(rettv); |
| return FAIL; |
| } |
| |
| if (evaluate) |
| { |
| if (type_is && rettv->v_type != var2.v_type) |
| { |
| /* For "is" a different type always means FALSE, for "notis" |
| * it means TRUE. */ |
| n1 = (type == TYPE_NEQUAL); |
| } |
| else if (rettv->v_type == VAR_LIST || var2.v_type == VAR_LIST) |
| { |
| if (type_is) |
| { |
| n1 = (rettv->v_type == var2.v_type |
| && rettv->vval.v_list == var2.vval.v_list); |
| if (type == TYPE_NEQUAL) |
| n1 = !n1; |
| } |
| else if (rettv->v_type != var2.v_type |
| || (type != TYPE_EQUAL && type != TYPE_NEQUAL)) |
| { |
| if (rettv->v_type != var2.v_type) |
| EMSG(_("E691: Can only compare List with List")); |
| else |
| EMSG(_("E692: Invalid operation for Lists")); |
| clear_tv(rettv); |
| clear_tv(&var2); |
| return FAIL; |
| } |
| else |
| { |
| /* Compare two Lists for being equal or unequal. */ |
| n1 = list_equal(rettv->vval.v_list, var2.vval.v_list, ic); |
| if (type == TYPE_NEQUAL) |
| n1 = !n1; |
| } |
| } |
| |
| else if (rettv->v_type == VAR_DICT || var2.v_type == VAR_DICT) |
| { |
| if (type_is) |
| { |
| n1 = (rettv->v_type == var2.v_type |
| && rettv->vval.v_dict == var2.vval.v_dict); |
| if (type == TYPE_NEQUAL) |
| n1 = !n1; |
| } |
| else if (rettv->v_type != var2.v_type |
| || (type != TYPE_EQUAL && type != TYPE_NEQUAL)) |
| { |
| if (rettv->v_type != var2.v_type) |
| EMSG(_("E735: Can only compare Dictionary with Dictionary")); |
| else |
| EMSG(_("E736: Invalid operation for Dictionary")); |
| clear_tv(rettv); |
| clear_tv(&var2); |
| return FAIL; |
| } |
| else |
| { |
| /* Compare two Dictionaries for being equal or unequal. */ |
| n1 = dict_equal(rettv->vval.v_dict, var2.vval.v_dict, ic); |
| if (type == TYPE_NEQUAL) |
| n1 = !n1; |
| } |
| } |
| |
| else if (rettv->v_type == VAR_FUNC || var2.v_type == VAR_FUNC) |
| { |
| if (rettv->v_type != var2.v_type |
| || (type != TYPE_EQUAL && type != TYPE_NEQUAL)) |
| { |
| if (rettv->v_type != var2.v_type) |
| EMSG(_("E693: Can only compare Funcref with Funcref")); |
| else |
| EMSG(_("E694: Invalid operation for Funcrefs")); |
| clear_tv(rettv); |
| clear_tv(&var2); |
| return FAIL; |
| } |
| else |
| { |
| /* Compare two Funcrefs for being equal or unequal. */ |
| if (rettv->vval.v_string == NULL |
| || var2.vval.v_string == NULL) |
| n1 = FALSE; |
| else |
| n1 = STRCMP(rettv->vval.v_string, |
| var2.vval.v_string) == 0; |
| if (type == TYPE_NEQUAL) |
| n1 = !n1; |
| } |
| } |
| |
| /* |
| * If one of the two variables is a number, compare as a number. |
| * When using "=~" or "!~", always compare as string. |
| */ |
| else if ((rettv->v_type == VAR_NUMBER || var2.v_type == VAR_NUMBER) |
| && type != TYPE_MATCH && type != TYPE_NOMATCH) |
| { |
| n1 = get_tv_number(rettv); |
| n2 = get_tv_number(&var2); |
| switch (type) |
| { |
| case TYPE_EQUAL: n1 = (n1 == n2); break; |
| case TYPE_NEQUAL: n1 = (n1 != n2); break; |
| case TYPE_GREATER: n1 = (n1 > n2); break; |
| case TYPE_GEQUAL: n1 = (n1 >= n2); break; |
| case TYPE_SMALLER: n1 = (n1 < n2); break; |
| case TYPE_SEQUAL: n1 = (n1 <= n2); break; |
| case TYPE_UNKNOWN: |
| case TYPE_MATCH: |
| case TYPE_NOMATCH: break; /* avoid gcc warning */ |
| } |
| } |
| else |
| { |
| s1 = get_tv_string_buf(rettv, buf1); |
| s2 = get_tv_string_buf(&var2, buf2); |
| if (type != TYPE_MATCH && type != TYPE_NOMATCH) |
| i = ic ? MB_STRICMP(s1, s2) : STRCMP(s1, s2); |
| else |
| i = 0; |
| n1 = FALSE; |
| switch (type) |
| { |
| case TYPE_EQUAL: n1 = (i == 0); break; |
| case TYPE_NEQUAL: n1 = (i != 0); break; |
| case TYPE_GREATER: n1 = (i > 0); break; |
| case TYPE_GEQUAL: n1 = (i >= 0); break; |
| case TYPE_SMALLER: n1 = (i < 0); break; |
| case TYPE_SEQUAL: n1 = (i <= 0); break; |
| |
| case TYPE_MATCH: |
| case TYPE_NOMATCH: |
| /* avoid 'l' flag in 'cpoptions' */ |
| save_cpo = p_cpo; |
| p_cpo = (char_u *)""; |
| regmatch.regprog = vim_regcomp(s2, |
| RE_MAGIC + RE_STRING); |
| regmatch.rm_ic = ic; |
| if (regmatch.regprog != NULL) |
| { |
| n1 = vim_regexec_nl(®match, s1, (colnr_T)0); |
| vim_free(regmatch.regprog); |
| if (type == TYPE_NOMATCH) |
| n1 = !n1; |
| } |
| p_cpo = save_cpo; |
| break; |
| |
| case TYPE_UNKNOWN: break; /* avoid gcc warning */ |
| } |
| } |
| clear_tv(rettv); |
| clear_tv(&var2); |
| rettv->v_type = VAR_NUMBER; |
| rettv->vval.v_number = n1; |
| } |
| } |
| |
| return OK; |
| } |
| |
| /* |
| * Handle fourth level expression: |
| * + number addition |
| * - number subtraction |
| * . string concatenation |
| * |
| * "arg" must point to the first non-white of the expression. |
| * "arg" is advanced to the next non-white after the recognized expression. |
| * |
| * Return OK or FAIL. |
| */ |
| static int |
| eval5(arg, rettv, evaluate) |
| char_u **arg; |
| typval_T *rettv; |
| int evaluate; |
| { |
| typval_T var2; |
| typval_T var3; |
| int op; |
| long n1, n2; |
| char_u *s1, *s2; |
| char_u buf1[NUMBUFLEN], buf2[NUMBUFLEN]; |
| char_u *p; |
| |
| /* |
| * Get the first variable. |
| */ |
| if (eval6(arg, rettv, evaluate) == FAIL) |
| return FAIL; |
| |
| /* |
| * Repeat computing, until no '+', '-' or '.' is following. |
| */ |
| for (;;) |
| { |
| op = **arg; |
| if (op != '+' && op != '-' && op != '.') |
| break; |
| |
| /* |
| * Get the second variable. |
| */ |
| *arg = skipwhite(*arg + 1); |
| if (eval6(arg, &var2, evaluate) == FAIL) |
| { |
| clear_tv(rettv); |
| return FAIL; |
| } |
| |
| if (evaluate) |
| { |
| /* |
| * Compute the result. |
| */ |
| if (op == '.') |
| { |
| s1 = get_tv_string_buf(rettv, buf1); |
| s2 = get_tv_string_buf(&var2, buf2); |
| p = concat_str(s1, s2); |
| clear_tv(rettv); |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = p; |
| } |
| else if (op == '+' && rettv->v_type == VAR_LIST |
| && var2.v_type == VAR_LIST) |
| { |
| /* concatenate Lists */ |
| if (list_concat(rettv->vval.v_list, var2.vval.v_list, |
| &var3) == FAIL) |
| { |
| clear_tv(rettv); |
| clear_tv(&var2); |
| return FAIL; |
| } |
| clear_tv(rettv); |
| *rettv = var3; |
| } |
| else |
| { |
| n1 = get_tv_number(rettv); |
| n2 = get_tv_number(&var2); |
| clear_tv(rettv); |
| if (op == '+') |
| n1 = n1 + n2; |
| else |
| n1 = n1 - n2; |
| rettv->v_type = VAR_NUMBER; |
| rettv->vval.v_number = n1; |
| } |
| clear_tv(&var2); |
| } |
| } |
| return OK; |
| } |
| |
| /* |
| * Handle fifth level expression: |
| * * number multiplication |
| * / number division |
| * % number modulo |
| * |
| * "arg" must point to the first non-white of the expression. |
| * "arg" is advanced to the next non-white after the recognized expression. |
| * |
| * Return OK or FAIL. |
| */ |
| static int |
| eval6(arg, rettv, evaluate) |
| char_u **arg; |
| typval_T *rettv; |
| int evaluate; |
| { |
| typval_T var2; |
| int op; |
| long n1, n2; |
| |
| /* |
| * Get the first variable. |
| */ |
| if (eval7(arg, rettv, evaluate) == FAIL) |
| return FAIL; |
| |
| /* |
| * Repeat computing, until no '*', '/' or '%' is following. |
| */ |
| for (;;) |
| { |
| op = **arg; |
| if (op != '*' && op != '/' && op != '%') |
| break; |
| |
| if (evaluate) |
| { |
| n1 = get_tv_number(rettv); |
| clear_tv(rettv); |
| } |
| else |
| n1 = 0; |
| |
| /* |
| * Get the second variable. |
| */ |
| *arg = skipwhite(*arg + 1); |
| if (eval7(arg, &var2, evaluate) == FAIL) |
| return FAIL; |
| |
| if (evaluate) |
| { |
| n2 = get_tv_number(&var2); |
| clear_tv(&var2); |
| |
| /* |
| * Compute the result. |
| */ |
| if (op == '*') |
| n1 = n1 * n2; |
| else if (op == '/') |
| { |
| if (n2 == 0) /* give an error message? */ |
| n1 = 0x7fffffffL; |
| else |
| n1 = n1 / n2; |
| } |
| else |
| { |
| if (n2 == 0) /* give an error message? */ |
| n1 = 0; |
| else |
| n1 = n1 % n2; |
| } |
| rettv->v_type = VAR_NUMBER; |
| rettv->vval.v_number = n1; |
| } |
| } |
| |
| return OK; |
| } |
| |
| /* |
| * Handle sixth level expression: |
| * number number constant |
| * "string" string contstant |
| * 'string' literal string contstant |
| * &option-name option value |
| * @r register contents |
| * identifier variable value |
| * function() function call |
| * $VAR environment variable |
| * (expression) nested expression |
| * [expr, expr] List |
| * {key: val, key: val} Dictionary |
| * |
| * Also handle: |
| * ! in front logical NOT |
| * - in front unary minus |
| * + in front unary plus (ignored) |
| * trailing [] subscript in String or List |
| * trailing .name entry in Dictionary |
| * |
| * "arg" must point to the first non-white of the expression. |
| * "arg" is advanced to the next non-white after the recognized expression. |
| * |
| * Return OK or FAIL. |
| */ |
| static int |
| eval7(arg, rettv, evaluate) |
| char_u **arg; |
| typval_T *rettv; |
| int evaluate; |
| { |
| long n; |
| int len; |
| char_u *s; |
| int val; |
| char_u *start_leader, *end_leader; |
| int ret = OK; |
| char_u *alias; |
| dict_T *selfdict; |
| |
| /* |
| * Initialise variable so that clear_tv() can't mistake this for a |
| * string and free a string that isn't there. |
| */ |
| rettv->v_type = VAR_UNKNOWN; |
| |
| /* |
| * Skip '!' and '-' characters. They are handled later. |
| */ |
| start_leader = *arg; |
| while (**arg == '!' || **arg == '-' || **arg == '+') |
| *arg = skipwhite(*arg + 1); |
| end_leader = *arg; |
| |
| switch (**arg) |
| { |
| /* |
| * Number constant. |
| */ |
| case '0': |
| case '1': |
| case '2': |
| case '3': |
| case '4': |
| case '5': |
| case '6': |
| case '7': |
| case '8': |
| case '9': |
| vim_str2nr(*arg, NULL, &len, TRUE, TRUE, &n, NULL); |
| *arg += len; |
| if (evaluate) |
| { |
| rettv->v_type = VAR_NUMBER; |
| rettv->vval.v_number = n; |
| } |
| break; |
| |
| /* |
| * String constant: "string". |
| */ |
| case '"': ret = get_string_tv(arg, rettv, evaluate); |
| break; |
| |
| /* |
| * Literal string constant: 'str''ing'. |
| */ |
| case '\'': ret = get_lit_string_tv(arg, rettv, evaluate); |
| break; |
| |
| /* |
| * List: [expr, expr] |
| */ |
| case '[': ret = get_list_tv(arg, rettv, evaluate); |
| break; |
| |
| /* |
| * Dictionary: {key: val, key: val} |
| */ |
| case '{': ret = get_dict_tv(arg, rettv, evaluate); |
| break; |
| |
| /* |
| * Option value: &name |
| */ |
| case '&': ret = get_option_tv(arg, rettv, evaluate); |
| break; |
| |
| /* |
| * Environment variable: $VAR. |
| */ |
| case '$': ret = get_env_tv(arg, rettv, evaluate); |
| break; |
| |
| /* |
| * Register contents: @r. |
| */ |
| case '@': ++*arg; |
| if (evaluate) |
| { |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = get_reg_contents(**arg, FALSE); |
| } |
| if (**arg != NUL) |
| ++*arg; |
| break; |
| |
| /* |
| * nested expression: (expression). |
| */ |
| case '(': *arg = skipwhite(*arg + 1); |
| ret = eval1(arg, rettv, evaluate); /* recursive! */ |
| if (**arg == ')') |
| ++*arg; |
| else if (ret == OK) |
| { |
| EMSG(_("E110: Missing ')'")); |
| clear_tv(rettv); |
| ret = FAIL; |
| } |
| break; |
| |
| default: ret = NOTDONE; |
| break; |
| } |
| |
| if (ret == NOTDONE) |
| { |
| /* |
| * Must be a variable or function name. |
| * Can also be a curly-braces kind of name: {expr}. |
| */ |
| s = *arg; |
| len = get_name_len(arg, &alias, evaluate); |
| if (alias != NULL) |
| s = alias; |
| |
| if (len == 0) |
| ret = FAIL; |
| else |
| { |
| if (**arg == '(') /* recursive! */ |
| { |
| /* If "s" is the name of a variable of type VAR_FUNC |
| * use its contents. */ |
| s = deref_func_name(s, &len); |
| |
| /* Invoke the function. */ |
| ret = get_func_tv(s, len, rettv, arg, |
| curwin->w_cursor.lnum, curwin->w_cursor.lnum, |
| &len, evaluate, NULL); |
| /* Stop the expression evaluation when immediately |
| * aborting on error, or when an interrupt occurred or |
| * an exception was thrown but not caught. */ |
| if (aborting()) |
| { |
| if (ret == OK) |
| clear_tv(rettv); |
| ret = FAIL; |
| } |
| } |
| else if (evaluate) |
| ret = get_var_tv(s, len, rettv); |
| else |
| ret = OK; |
| } |
| |
| if (alias != NULL) |
| vim_free(alias); |
| } |
| |
| *arg = skipwhite(*arg); |
| |
| /* |
| * Handle expr[expr], expr[expr:expr] subscript and .name lookup. |
| * Also handle function call with Funcref variable: func(expr) |
| * Can all be combined: dict.func(expr)[idx]['func'](expr) |
| */ |
| selfdict = NULL; |
| while (ret == OK |
| && (**arg == '[' |
| || (**arg == '.' && rettv->v_type == VAR_DICT) |
| || (**arg == '(' && rettv->v_type == VAR_FUNC)) |
| && !vim_iswhite(*(*arg - 1))) |
| { |
| if (**arg == '(') |
| { |
| s = rettv->vval.v_string; |
| |
| /* Invoke the function. Recursive! */ |
| ret = get_func_tv(s, STRLEN(s), rettv, arg, |
| curwin->w_cursor.lnum, curwin->w_cursor.lnum, |
| &len, evaluate, selfdict); |
| |
| /* Stop the expression evaluation when immediately aborting on |
| * error, or when an interrupt occurred or an exception was thrown |
| * but not caught. */ |
| if (aborting()) |
| { |
| if (ret == OK) |
| clear_tv(rettv); |
| ret = FAIL; |
| } |
| dict_unref(selfdict); |
| selfdict = NULL; |
| } |
| else /* **arg == '[' || **arg == '.' */ |
| { |
| dict_unref(selfdict); |
| if (rettv->v_type == VAR_DICT) |
| { |
| selfdict = rettv->vval.v_dict; |
| if (selfdict != NULL) |
| ++selfdict->dv_refcount; |
| } |
| else |
| selfdict = NULL; |
| if (eval_index(arg, rettv, evaluate) == FAIL) |
| { |
| clear_tv(rettv); |
| ret = FAIL; |
| } |
| } |
| } |
| dict_unref(selfdict); |
| |
| /* |
| * Apply logical NOT and unary '-', from right to left, ignore '+'. |
| */ |
| if (ret == OK && evaluate && end_leader > start_leader) |
| { |
| val = get_tv_number(rettv); |
| while (end_leader > start_leader) |
| { |
| --end_leader; |
| if (*end_leader == '!') |
| val = !val; |
| else if (*end_leader == '-') |
| val = -val; |
| } |
| clear_tv(rettv); |
| rettv->v_type = VAR_NUMBER; |
| rettv->vval.v_number = val; |
| } |
| |
| return ret; |
| } |
| |
| /* |
| * Evaluate an "[expr]" or "[expr:expr]" index. |
| * "*arg" points to the '['. |
| * Returns FAIL or OK. "*arg" is advanced to after the ']'. |
| */ |
| static int |
| eval_index(arg, rettv, evaluate) |
| char_u **arg; |
| typval_T *rettv; |
| int evaluate; |
| { |
| int empty1 = FALSE, empty2 = FALSE; |
| typval_T var1, var2; |
| long n1, n2 = 0; |
| long len = -1; |
| int range = FALSE; |
| char_u *s; |
| char_u *key = NULL; |
| |
| if (rettv->v_type == VAR_FUNC) |
| { |
| EMSG(_("E695: Cannot index a Funcref")); |
| return FAIL; |
| } |
| |
| if (**arg == '.') |
| { |
| /* |
| * dict.name |
| */ |
| key = *arg + 1; |
| for (len = 0; ASCII_ISALNUM(key[len]) || key[len] == '_'; ++len) |
| ; |
| if (len == 0) |
| return FAIL; |
| *arg = skipwhite(key + len); |
| } |
| else |
| { |
| /* |
| * something[idx] |
| * |
| * Get the (first) variable from inside the []. |
| */ |
| *arg = skipwhite(*arg + 1); |
| if (**arg == ':') |
| empty1 = TRUE; |
| else if (eval1(arg, &var1, evaluate) == FAIL) /* recursive! */ |
| return FAIL; |
| |
| /* |
| * Get the second variable from inside the [:]. |
| */ |
| if (**arg == ':') |
| { |
| range = TRUE; |
| *arg = skipwhite(*arg + 1); |
| if (**arg == ']') |
| empty2 = TRUE; |
| else if (eval1(arg, &var2, evaluate) == FAIL) /* recursive! */ |
| { |
| clear_tv(&var1); |
| return FAIL; |
| } |
| } |
| |
| /* Check for the ']'. */ |
| if (**arg != ']') |
| { |
| EMSG(_(e_missbrac)); |
| clear_tv(&var1); |
| if (range) |
| clear_tv(&var2); |
| return FAIL; |
| } |
| *arg = skipwhite(*arg + 1); /* skip the ']' */ |
| } |
| |
| if (evaluate) |
| { |
| n1 = 0; |
| if (!empty1 && rettv->v_type != VAR_DICT) |
| { |
| n1 = get_tv_number(&var1); |
| clear_tv(&var1); |
| } |
| if (range) |
| { |
| if (empty2) |
| n2 = -1; |
| else |
| { |
| n2 = get_tv_number(&var2); |
| clear_tv(&var2); |
| } |
| } |
| |
| switch (rettv->v_type) |
| { |
| case VAR_NUMBER: |
| case VAR_STRING: |
| s = get_tv_string(rettv); |
| len = (long)STRLEN(s); |
| if (range) |
| { |
| /* The resulting variable is a substring. If the indexes |
| * are out of range the result is empty. */ |
| if (n1 < 0) |
| { |
| n1 = len + n1; |
| if (n1 < 0) |
| n1 = 0; |
| } |
| if (n2 < 0) |
| n2 = len + n2; |
| else if (n2 >= len) |
| n2 = len; |
| if (n1 >= len || n2 < 0 || n1 > n2) |
| s = NULL; |
| else |
| s = vim_strnsave(s + n1, (int)(n2 - n1 + 1)); |
| } |
| else |
| { |
| /* The resulting variable is a string of a single |
| * character. If the index is too big or negative the |
| * result is empty. */ |
| if (n1 >= len || n1 < 0) |
| s = NULL; |
| else |
| s = vim_strnsave(s + n1, 1); |
| } |
| clear_tv(rettv); |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = s; |
| break; |
| |
| case VAR_LIST: |
| len = list_len(rettv->vval.v_list); |
| if (n1 < 0) |
| n1 = len + n1; |
| if (!empty1 && (n1 < 0 || n1 >= len)) |
| { |
| EMSGN(_(e_listidx), n1); |
| return FAIL; |
| } |
| if (range) |
| { |
| list_T *l; |
| listitem_T *item; |
| |
| if (n2 < 0) |
| n2 = len + n2; |
| if (!empty2 && (n2 < 0 || n2 >= len || n2 + 1 < n1)) |
| { |
| EMSGN(_(e_listidx), n2); |
| return FAIL; |
| } |
| l = list_alloc(); |
| if (l == NULL) |
| return FAIL; |
| for (item = list_find(rettv->vval.v_list, n1); |
| n1 <= n2; ++n1) |
| { |
| if (list_append_tv(l, &item->li_tv) == FAIL) |
| { |
| list_free(l); |
| return FAIL; |
| } |
| item = item->li_next; |
| } |
| clear_tv(rettv); |
| rettv->v_type = VAR_LIST; |
| rettv->vval.v_list = l; |
| ++l->lv_refcount; |
| } |
| else |
| { |
| copy_tv(&list_find(rettv->vval.v_list, n1)->li_tv, |
| &var1); |
| clear_tv(rettv); |
| *rettv = var1; |
| } |
| break; |
| |
| case VAR_DICT: |
| if (range) |
| { |
| EMSG(_(e_dictrange)); |
| if (len == -1) |
| clear_tv(&var1); |
| return FAIL; |
| } |
| { |
| dictitem_T *item; |
| |
| if (len == -1) |
| { |
| key = get_tv_string(&var1); |
| if (*key == NUL) |
| { |
| EMSG(_(e_emptykey)); |
| clear_tv(&var1); |
| return FAIL; |
| } |
| } |
| |
| item = dict_find(rettv->vval.v_dict, key, (int)len); |
| |
| if (item == NULL) |
| EMSG2(_(e_dictkey), key); |
| if (len == -1) |
| clear_tv(&var1); |
| if (item == NULL) |
| return FAIL; |
| |
| copy_tv(&item->di_tv, &var1); |
| clear_tv(rettv); |
| *rettv = var1; |
| } |
| break; |
| } |
| } |
| |
| return OK; |
| } |
| |
| /* |
| * Get an option value. |
| * "arg" points to the '&' or '+' before the option name. |
| * "arg" is advanced to character after the option name. |
| * Return OK or FAIL. |
| */ |
| static int |
| get_option_tv(arg, rettv, evaluate) |
| char_u **arg; |
| typval_T *rettv; /* when NULL, only check if option exists */ |
| int evaluate; |
| { |
| char_u *option_end; |
| long numval; |
| char_u *stringval; |
| int opt_type; |
| int c; |
| int working = (**arg == '+'); /* has("+option") */ |
| int ret = OK; |
| int opt_flags; |
| |
| /* |
| * Isolate the option name and find its value. |
| */ |
| option_end = find_option_end(arg, &opt_flags); |
| if (option_end == NULL) |
| { |
| if (rettv != NULL) |
| EMSG2(_("E112: Option name missing: %s"), *arg); |
| return FAIL; |
| } |
| |
| if (!evaluate) |
| { |
| *arg = option_end; |
| return OK; |
| } |
| |
| c = *option_end; |
| *option_end = NUL; |
| opt_type = get_option_value(*arg, &numval, |
| rettv == NULL ? NULL : &stringval, opt_flags); |
| |
| if (opt_type == -3) /* invalid name */ |
| { |
| if (rettv != NULL) |
| EMSG2(_("E113: Unknown option: %s"), *arg); |
| ret = FAIL; |
| } |
| else if (rettv != NULL) |
| { |
| if (opt_type == -2) /* hidden string option */ |
| { |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = NULL; |
| } |
| else if (opt_type == -1) /* hidden number option */ |
| { |
| rettv->v_type = VAR_NUMBER; |
| rettv->vval.v_number = 0; |
| } |
| else if (opt_type == 1) /* number option */ |
| { |
| rettv->v_type = VAR_NUMBER; |
| rettv->vval.v_number = numval; |
| } |
| else /* string option */ |
| { |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = stringval; |
| } |
| } |
| else if (working && (opt_type == -2 || opt_type == -1)) |
| ret = FAIL; |
| |
| *option_end = c; /* put back for error messages */ |
| *arg = option_end; |
| |
| return ret; |
| } |
| |
| /* |
| * Allocate a variable for a string constant. |
| * Return OK or FAIL. |
| */ |
| static int |
| get_string_tv(arg, rettv, evaluate) |
| char_u **arg; |
| typval_T *rettv; |
| int evaluate; |
| { |
| char_u *p; |
| char_u *name; |
| int extra = 0; |
| |
| /* |
| * Find the end of the string, skipping backslashed characters. |
| */ |
| for (p = *arg + 1; *p != NUL && *p != '"'; mb_ptr_adv(p)) |
| { |
| if (*p == '\\' && p[1] != NUL) |
| { |
| ++p; |
| /* A "\<x>" form occupies at least 4 characters, and produces up |
| * to 6 characters: reserve space for 2 extra */ |
| if (*p == '<') |
| extra += 2; |
| } |
| } |
| |
| if (*p != '"') |
| { |
| EMSG2(_("E114: Missing quote: %s"), *arg); |
| return FAIL; |
| } |
| |
| /* If only parsing, set *arg and return here */ |
| if (!evaluate) |
| { |
| *arg = p + 1; |
| return OK; |
| } |
| |
| /* |
| * Copy the string into allocated memory, handling backslashed |
| * characters. |
| */ |
| name = alloc((unsigned)(p - *arg + extra)); |
| if (name == NULL) |
| return FAIL; |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = name; |
| |
| for (p = *arg + 1; *p != NUL && *p != '"'; ) |
| { |
| if (*p == '\\') |
| { |
| switch (*++p) |
| { |
| case 'b': *name++ = BS; ++p; break; |
| case 'e': *name++ = ESC; ++p; break; |
| case 'f': *name++ = FF; ++p; break; |
| case 'n': *name++ = NL; ++p; break; |
| case 'r': *name++ = CAR; ++p; break; |
| case 't': *name++ = TAB; ++p; break; |
| |
| case 'X': /* hex: "\x1", "\x12" */ |
| case 'x': |
| case 'u': /* Unicode: "\u0023" */ |
| case 'U': |
| if (vim_isxdigit(p[1])) |
| { |
| int n, nr; |
| int c = toupper(*p); |
| |
| if (c == 'X') |
| n = 2; |
| else |
| n = 4; |
| nr = 0; |
| while (--n >= 0 && vim_isxdigit(p[1])) |
| { |
| ++p; |
| nr = (nr << 4) + hex2nr(*p); |
| } |
| ++p; |
| #ifdef FEAT_MBYTE |
| /* For "\u" store the number according to |
| * 'encoding'. */ |
| if (c != 'X') |
| name += (*mb_char2bytes)(nr, name); |
| else |
| #endif |
| *name++ = nr; |
| } |
| break; |
| |
| /* octal: "\1", "\12", "\123" */ |
| case '0': |
| case '1': |
| case '2': |
| case '3': |
| case '4': |
| case '5': |
| case '6': |
| case '7': *name = *p++ - '0'; |
| if (*p >= '0' && *p <= '7') |
| { |
| *name = (*name << 3) + *p++ - '0'; |
| if (*p >= '0' && *p <= '7') |
| *name = (*name << 3) + *p++ - '0'; |
| } |
| ++name; |
| break; |
| |
| /* Special key, e.g.: "\<C-W>" */ |
| case '<': extra = trans_special(&p, name, TRUE); |
| if (extra != 0) |
| { |
| name += extra; |
| break; |
| } |
| /* FALLTHROUGH */ |
| |
| default: MB_COPY_CHAR(p, name); |
| break; |
| } |
| } |
| else |
| MB_COPY_CHAR(p, name); |
| |
| } |
| *name = NUL; |
| *arg = p + 1; |
| |
| return OK; |
| } |
| |
| /* |
| * Allocate a variable for a 'str''ing' constant. |
| * Return OK or FAIL. |
| */ |
| static int |
| get_lit_string_tv(arg, rettv, evaluate) |
| char_u **arg; |
| typval_T *rettv; |
| int evaluate; |
| { |
| char_u *p; |
| char_u *str; |
| int reduce = 0; |
| |
| /* |
| * Find the end of the string, skipping ''. |
| */ |
| for (p = *arg + 1; *p != NUL; mb_ptr_adv(p)) |
| { |
| if (*p == '\'') |
| { |
| if (p[1] != '\'') |
| break; |
| ++reduce; |
| ++p; |
| } |
| } |
| |
| if (*p != '\'') |
| { |
| EMSG2(_("E115: Missing quote: %s"), *arg); |
| return FAIL; |
| } |
| |
| /* If only parsing return after setting "*arg" */ |
| if (!evaluate) |
| { |
| *arg = p + 1; |
| return OK; |
| } |
| |
| /* |
| * Copy the string into allocated memory, handling '' to ' reduction. |
| */ |
| str = alloc((unsigned)((p - *arg) - reduce)); |
| if (str == NULL) |
| return FAIL; |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = str; |
| |
| for (p = *arg + 1; *p != NUL; ) |
| { |
| if (*p == '\'') |
| { |
| if (p[1] != '\'') |
| break; |
| ++p; |
| } |
| MB_COPY_CHAR(p, str); |
| } |
| *str = NUL; |
| *arg = p + 1; |
| |
| return OK; |
| } |
| |
| /* |
| * Allocate a variable for a List and fill it from "*arg". |
| * Return OK or FAIL. |
| */ |
| static int |
| get_list_tv(arg, rettv, evaluate) |
| char_u **arg; |
| typval_T *rettv; |
| int evaluate; |
| { |
| list_T *l = NULL; |
| typval_T tv; |
| listitem_T *item; |
| |
| if (evaluate) |
| { |
| l = list_alloc(); |
| if (l == NULL) |
| return FAIL; |
| } |
| |
| *arg = skipwhite(*arg + 1); |
| while (**arg != ']' && **arg != NUL) |
| { |
| if (eval1(arg, &tv, evaluate) == FAIL) /* recursive! */ |
| goto failret; |
| if (evaluate) |
| { |
| item = listitem_alloc(); |
| if (item != NULL) |
| { |
| item->li_tv = tv; |
| item->li_tv.v_lock = 0; |
| list_append(l, item); |
| } |
| else |
| clear_tv(&tv); |
| } |
| |
| if (**arg == ']') |
| break; |
| if (**arg != ',') |
| { |
| EMSG2(_("E696: Missing comma in List: %s"), *arg); |
| goto failret; |
| } |
| *arg = skipwhite(*arg + 1); |
| } |
| |
| if (**arg != ']') |
| { |
| EMSG2(_("E697: Missing end of List ']': %s"), *arg); |
| failret: |
| if (evaluate) |
| list_free(l); |
| return FAIL; |
| } |
| |
| *arg = skipwhite(*arg + 1); |
| if (evaluate) |
| { |
| rettv->v_type = VAR_LIST; |
| rettv->vval.v_list = l; |
| ++l->lv_refcount; |
| } |
| |
| return OK; |
| } |
| |
| /* |
| * Allocate an empty header for a list. |
| */ |
| static list_T * |
| list_alloc() |
| { |
| return (list_T *)alloc_clear(sizeof(list_T)); |
| } |
| |
| /* |
| * Unreference a list: decrement the reference count and free it when it |
| * becomes zero. |
| */ |
| static void |
| list_unref(l) |
| list_T *l; |
| { |
| if (l != NULL && --l->lv_refcount <= 0) |
| list_free(l); |
| } |
| |
| /* |
| * Free a list, including all items it points to. |
| * Ignores the reference count. |
| */ |
| static void |
| list_free(l) |
| list_T *l; |
| { |
| listitem_T *item; |
| listitem_T *next; |
| |
| for (item = l->lv_first; item != NULL; item = next) |
| { |
| next = item->li_next; |
| listitem_free(item); |
| } |
| vim_free(l); |
| } |
| |
| /* |
| * Allocate a list item. |
| */ |
| static listitem_T * |
| listitem_alloc() |
| { |
| return (listitem_T *)alloc(sizeof(listitem_T)); |
| } |
| |
| /* |
| * Free a list item. Also clears the value. Does not notify watchers. |
| */ |
| static void |
| listitem_free(item) |
| listitem_T *item; |
| { |
| clear_tv(&item->li_tv); |
| vim_free(item); |
| } |
| |
| /* |
| * Remove a list item from a List and free it. Also clears the value. |
| */ |
| static void |
| listitem_remove(l, item) |
| list_T *l; |
| listitem_T *item; |
| { |
| list_remove(l, item, item); |
| listitem_free(item); |
| } |
| |
| /* |
| * Get the number of items in a list. |
| */ |
| static long |
| list_len(l) |
| list_T *l; |
| { |
| listitem_T *item; |
| long len = 0; |
| |
| if (l == NULL) |
| return 0L; |
| for (item = l->lv_first; item != NULL; item = item->li_next) |
| ++len; |
| return len; |
| } |
| |
| /* |
| * Return TRUE when two lists have exactly the same values. |
| */ |
| static int |
| list_equal(l1, l2, ic) |
| list_T *l1; |
| list_T *l2; |
| int ic; /* ignore case for strings */ |
| { |
| listitem_T *item1, *item2; |
| |
| if (list_len(l1) != list_len(l2)) |
| return FALSE; |
| |
| for (item1 = l1->lv_first, item2 = l2->lv_first; |
| item1 != NULL && item2 != NULL; |
| item1 = item1->li_next, item2 = item2->li_next) |
| if (!tv_equal(&item1->li_tv, &item2->li_tv, ic)) |
| return FALSE; |
| return item1 == NULL && item2 == NULL; |
| } |
| |
| /* |
| * Return TRUE when two dictionaries have exactly the same key/values. |
| */ |
| static int |
| dict_equal(d1, d2, ic) |
| dict_T *d1; |
| dict_T *d2; |
| int ic; /* ignore case for strings */ |
| { |
| hashitem_T *hi; |
| dictitem_T *item2; |
| int todo; |
| |
| if (dict_len(d1) != dict_len(d2)) |
| return FALSE; |
| |
| todo = d1->dv_hashtab.ht_used; |
| for (hi = d1->dv_hashtab.ht_array; todo > 0; ++hi) |
| { |
| if (!HASHITEM_EMPTY(hi)) |
| { |
| item2 = dict_find(d2, hi->hi_key, -1); |
| if (item2 == NULL) |
| return FALSE; |
| if (!tv_equal(&HI2DI(hi)->di_tv, &item2->di_tv, ic)) |
| return FALSE; |
| --todo; |
| } |
| } |
| return TRUE; |
| } |
| |
| /* |
| * Return TRUE if "tv1" and "tv2" have the same value. |
| * Compares the items just like "==" would compare them. |
| */ |
| static int |
| tv_equal(tv1, tv2, ic) |
| typval_T *tv1; |
| typval_T *tv2; |
| int ic; /* ignore case */ |
| { |
| char_u buf1[NUMBUFLEN], buf2[NUMBUFLEN]; |
| |
| if (tv1->v_type == VAR_LIST || tv2->v_type == VAR_LIST) |
| { |
| /* recursive! */ |
| if (tv1->v_type != tv2->v_type |
| || !list_equal(tv1->vval.v_list, tv2->vval.v_list, ic)) |
| return FALSE; |
| } |
| else if (tv1->v_type == VAR_DICT || tv2->v_type == VAR_DICT) |
| { |
| /* recursive! */ |
| if (tv1->v_type != tv2->v_type |
| || !dict_equal(tv1->vval.v_dict, tv2->vval.v_dict, ic)) |
| return FALSE; |
| } |
| else if (tv1->v_type == VAR_FUNC || tv2->v_type == VAR_FUNC) |
| { |
| if (tv1->v_type != tv2->v_type |
| || tv1->vval.v_string == NULL |
| || tv2->vval.v_string == NULL |
| || STRCMP(tv1->vval.v_string, tv2->vval.v_string) != 0) |
| return FALSE; |
| } |
| else if (tv1->v_type == VAR_NUMBER || tv2->v_type == VAR_NUMBER) |
| { |
| /* "4" is equal to 4. But don't consider 'a' and zero to be equal. |
| * Don't consider "4x" to be equal to 4. */ |
| if ((tv1->v_type == VAR_STRING |
| && !string_isa_number(tv1->vval.v_string)) |
| || (tv2->v_type == VAR_STRING |
| && !string_isa_number(tv2->vval.v_string))) |
| return FALSE; |
| if (get_tv_number(tv1) != get_tv_number(tv2)) |
| return FALSE; |
| } |
| else if (!ic && STRCMP(get_tv_string_buf(tv1, buf1), |
| get_tv_string_buf(tv2, buf2)) != 0) |
| return FALSE; |
| else if (ic && STRICMP(get_tv_string_buf(tv1, buf1), |
| get_tv_string_buf(tv2, buf2)) != 0) |
| return FALSE; |
| return TRUE; |
| } |
| |
| /* |
| * Return TRUE if "tv" is a number without other non-white characters. |
| */ |
| static int |
| string_isa_number(s) |
| char_u *s; |
| { |
| int len; |
| |
| vim_str2nr(s, NULL, &len, TRUE, TRUE, NULL, NULL); |
| return len > 0 && *skipwhite(s + len) == NUL; |
| } |
| |
| /* |
| * Locate item with index "n" in list "l" and return it. |
| * A negative index is counted from the end; -1 is the last item. |
| * Returns NULL when "n" is out of range. |
| */ |
| static listitem_T * |
| list_find(l, n) |
| list_T *l; |
| long n; |
| { |
| listitem_T *item; |
| long idx; |
| |
| if (l == NULL) |
| return NULL; |
| if (n < 0) |
| { |
| idx = -1; /* search from the end */ |
| for (item = l->lv_last; item != NULL && idx > n; item = item->li_prev) |
| --idx; |
| } |
| else |
| { |
| idx = 0; /* search from the start */ |
| for (item = l->lv_first; item != NULL && idx < n; item = item->li_next) |
| ++idx; |
| } |
| if (idx != n) |
| return NULL; |
| return item; |
| } |
| |
| /* |
| * Locate "item" list "l" and return its index. |
| * Returns -1 when "item" is not in the list. |
| */ |
| static long |
| list_idx_of_item(l, item) |
| list_T *l; |
| listitem_T *item; |
| { |
| long idx = 0; |
| listitem_T *li; |
| |
| if (l == NULL) |
| return -1; |
| idx = 0; |
| for (li = l->lv_first; li != NULL && li != item; li = li->li_next) |
| ++idx; |
| if (li == NULL) |
| return -1; |
| return idx;; |
| } |
| |
| /* |
| * Like list_find(), but also find an item just past the end. |
| * "*ip" is the item to find. |
| * When found "*ip" is set to zero, when not found "*ip" is non-zero. |
| * Returns NULL when item not found or item is just past the end. |
| */ |
| static listitem_T * |
| list_find_ext(l, ip) |
| list_T *l; |
| long *ip; |
| { |
| long n; |
| listitem_T *item; |
| |
| if (*ip < 0) |
| { |
| /* Count from the end: -1 is before last item. */ |
| item = l->lv_last; |
| for (n = *ip + 1; n < 0 && item != NULL; ++n) |
| item = item->li_prev; |
| if (item == NULL) |
| n = 1; /* error! */ |
| } |
| else |
| { |
| item = l->lv_first; |
| for (n = *ip; n > 0 && item != NULL; --n) |
| item = item->li_next; |
| } |
| *ip = n; |
| return item; |
| } |
| |
| /* |
| * Append item "item" to the end of list "l". |
| */ |
| static void |
| list_append(l, item) |
| list_T *l; |
| listitem_T *item; |
| { |
| if (l->lv_last == NULL) |
| { |
| /* empty list */ |
| l->lv_first = item; |
| l->lv_last = item; |
| item->li_prev = NULL; |
| } |
| else |
| { |
| l->lv_last->li_next = item; |
| item->li_prev = l->lv_last; |
| l->lv_last = item; |
| } |
| item->li_next = NULL; |
| } |
| |
| /* |
| * Append typval_T "tv" to the end of list "l". |
| * Return FAIL when out of memory. |
| */ |
| static int |
| list_append_tv(l, tv) |
| list_T *l; |
| typval_T *tv; |
| { |
| listitem_T *ni = listitem_alloc(); |
| |
| if (ni == NULL) |
| return FAIL; |
| copy_tv(tv, &ni->li_tv); |
| list_append(l, ni); |
| return OK; |
| } |
| |
| /* |
| * Insert typval_T "tv" in list "l" before "item". |
| * If "item" is NULL append at the end. |
| * Return FAIL when out of memory. |
| */ |
| static int |
| list_insert_tv(l, tv, item) |
| list_T *l; |
| typval_T *tv; |
| listitem_T *item; |
| { |
| listitem_T *ni = listitem_alloc(); |
| |
| if (ni == NULL) |
| return FAIL; |
| copy_tv(tv, &ni->li_tv); |
| if (item == NULL) |
| /* Append new item at end of list. */ |
| list_append(l, ni); |
| else |
| { |
| /* Insert new item before existing item. */ |
| ni->li_prev = item->li_prev; |
| ni->li_next = item; |
| if (item->li_prev == NULL) |
| l->lv_first = ni; |
| else |
| item->li_prev->li_next = ni; |
| item->li_prev = ni; |
| } |
| return OK; |
| } |
| |
| /* |
| * Extend "l1" with "l2". |
| * If "bef" is NULL append at the end, otherwise insert before this item. |
| * Returns FAIL when out of memory. |
| */ |
| static int |
| list_extend(l1, l2, bef) |
| list_T *l1; |
| list_T *l2; |
| listitem_T *bef; |
| { |
| listitem_T *item; |
| |
| for (item = l2->lv_first; item != NULL; item = item->li_next) |
| if (list_insert_tv(l1, &item->li_tv, bef) == FAIL) |
| return FAIL; |
| return OK; |
| } |
| |
| /* |
| * Concatenate lists "l1" and "l2" into a new list, stored in "tv". |
| * Return FAIL when out of memory. |
| */ |
| static int |
| list_concat(l1, l2, tv) |
| list_T *l1; |
| list_T *l2; |
| typval_T *tv; |
| { |
| list_T *l; |
| |
| /* make a copy of the first list. */ |
| l = list_copy(l1, FALSE); |
| if (l == NULL) |
| return FAIL; |
| tv->v_type = VAR_LIST; |
| tv->vval.v_list = l; |
| |
| /* append all items from the second list */ |
| return list_extend(l, l2, NULL); |
| } |
| |
| /* |
| * Make a copy of list "orig". Shallow if "deep" is FALSE. |
| * The refcount of the new list is set to 1. |
| * Returns NULL when out of memory. |
| */ |
| static list_T * |
| list_copy(orig, deep) |
| list_T *orig; |
| int deep; |
| { |
| list_T *copy; |
| listitem_T *item; |
| listitem_T *ni; |
| |
| if (orig == NULL) |
| return NULL; |
| |
| copy = list_alloc(); |
| if (copy != NULL) |
| { |
| for (item = orig->lv_first; item != NULL; item = item->li_next) |
| { |
| ni = listitem_alloc(); |
| if (ni == NULL) |
| break; |
| if (deep) |
| item_copy(&item->li_tv, &ni->li_tv, deep); |
| else |
| copy_tv(&item->li_tv, &ni->li_tv); |
| list_append(copy, ni); |
| } |
| ++copy->lv_refcount; |
| } |
| |
| return copy; |
| } |
| |
| /* |
| * Remove items "item" to "item2" from list "l". |
| * Does not free the listitem or the value! |
| */ |
| static void |
| list_remove(l, item, item2) |
| list_T *l; |
| listitem_T *item; |
| listitem_T *item2; |
| { |
| listitem_T *ip; |
| |
| /* notify watchers */ |
| for (ip = item; ip != NULL; ip = ip->li_next) |
| { |
| list_fix_watch(l, ip); |
| if (ip == item2) |
| break; |
| } |
| |
| if (item2->li_next == NULL) |
| l->lv_last = item->li_prev; |
| else |
| item2->li_next->li_prev = item->li_prev; |
| if (item->li_prev == NULL) |
| l->lv_first = item2->li_next; |
| else |
| item->li_prev->li_next = item2->li_next; |
| } |
| |
| /* |
| * Return an allocated string with the string representation of a list. |
| * May return NULL. |
| */ |
| static char_u * |
| list2string(tv) |
| typval_T *tv; |
| { |
| garray_T ga; |
| |
| if (tv->vval.v_list == NULL) |
| return NULL; |
| ga_init2(&ga, (int)sizeof(char), 80); |
| ga_append(&ga, '['); |
| list_join(&ga, tv->vval.v_list, (char_u *)", ", FALSE); |
| ga_append(&ga, ']'); |
| ga_append(&ga, NUL); |
| return (char_u *)ga.ga_data; |
| } |
| |
| /* |
| * Join list "l" into a string in "*gap", using separator "sep". |
| * When "echo" is TRUE use String as echoed, otherwise as inside a List. |
| */ |
| static void |
| list_join(gap, l, sep, echo) |
| garray_T *gap; |
| list_T *l; |
| char_u *sep; |
| int echo; |
| { |
| int first = TRUE; |
| char_u *tofree; |
| char_u numbuf[NUMBUFLEN]; |
| listitem_T *item; |
| char_u *s; |
| |
| for (item = l->lv_first; item != NULL; item = item->li_next) |
| { |
| if (first) |
| first = FALSE; |
| else |
| ga_concat(gap, sep); |
| |
| if (echo) |
| s = echo_string(&item->li_tv, &tofree, numbuf); |
| else |
| s = tv2string(&item->li_tv, &tofree, numbuf); |
| if (s != NULL) |
| ga_concat(gap, s); |
| vim_free(tofree); |
| } |
| } |
| |
| /* |
| * Allocate an empty header for a dictionary. |
| */ |
| static dict_T * |
| dict_alloc() |
| { |
| dict_T *d; |
| |
| d = (dict_T *)alloc(sizeof(dict_T)); |
| if (d != NULL) |
| { |
| hash_init(&d->dv_hashtab); |
| d->dv_lock = 0; |
| d->dv_refcount = 0; |
| } |
| return d; |
| } |
| |
| /* |
| * Unreference a Dictionary: decrement the reference count and free it when it |
| * becomes zero. |
| */ |
| static void |
| dict_unref(d) |
| dict_T *d; |
| { |
| if (d != NULL && --d->dv_refcount <= 0) |
| dict_free(d); |
| } |
| |
| /* |
| * Free a Dictionary, including all items it contains. |
| * Ignores the reference count. |
| */ |
| static void |
| dict_free(d) |
| dict_T *d; |
| { |
| int todo; |
| hashitem_T *hi; |
| |
| /* Careful: we free the dictitems while they still appear in the |
| * hashtab. Must not try to resize the hashtab! */ |
| todo = d->dv_hashtab.ht_used; |
| for (hi = d->dv_hashtab.ht_array; todo > 0; ++hi) |
| { |
| if (!HASHITEM_EMPTY(hi)) |
| { |
| dictitem_free(HI2DI(hi)); |
| --todo; |
| } |
| } |
| hash_clear(&d->dv_hashtab); |
| vim_free(d); |
| } |
| |
| /* |
| * Allocate a Dictionary item. |
| * The "key" is copied to the new item. |
| * Note that the value of the item "di_tv" still needs to be initialized! |
| * Returns NULL when out of memory. |
| */ |
| static dictitem_T * |
| dictitem_alloc(key) |
| char_u *key; |
| { |
| dictitem_T *di; |
| |
| di = (dictitem_T *)alloc(sizeof(dictitem_T) + STRLEN(key)); |
| if (di != NULL) |
| { |
| STRCPY(di->di_key, key); |
| di->di_flags = 0; |
| } |
| return di; |
| } |
| |
| /* |
| * Make a copy of a Dictionary item. |
| */ |
| static dictitem_T * |
| dictitem_copy(org) |
| dictitem_T *org; |
| { |
| dictitem_T *di; |
| |
| di = (dictitem_T *)alloc(sizeof(dictitem_T) + STRLEN(org->di_key)); |
| if (di != NULL) |
| { |
| STRCPY(di->di_key, org->di_key); |
| di->di_flags = 0; |
| copy_tv(&org->di_tv, &di->di_tv); |
| } |
| return di; |
| } |
| |
| /* |
| * Remove item "item" from Dictionary "dict" and free it. |
| */ |
| static void |
| dictitem_remove(dict, item) |
| dict_T *dict; |
| dictitem_T *item; |
| { |
| hashitem_T *hi; |
| |
| hi = hash_find(&dict->dv_hashtab, item->di_key); |
| if (HASHITEM_EMPTY(hi)) |
| EMSG2(_(e_intern2), "dictitem_remove()"); |
| else |
| hash_remove(&dict->dv_hashtab, hi); |
| dictitem_free(item); |
| } |
| |
| /* |
| * Free a dict item. Also clears the value. |
| */ |
| static void |
| dictitem_free(item) |
| dictitem_T *item; |
| { |
| clear_tv(&item->di_tv); |
| vim_free(item); |
| } |
| |
| /* |
| * Make a copy of dict "d". Shallow if "deep" is FALSE. |
| * The refcount of the new dict is set to 1. |
| * Returns NULL when out of memory. |
| */ |
| static dict_T * |
| dict_copy(orig, deep) |
| dict_T *orig; |
| int deep; |
| { |
| dict_T *copy; |
| dictitem_T *di; |
| int todo; |
| hashitem_T *hi; |
| |
| if (orig == NULL) |
| return NULL; |
| |
| copy = dict_alloc(); |
| if (copy != NULL) |
| { |
| todo = orig->dv_hashtab.ht_used; |
| for (hi = orig->dv_hashtab.ht_array; todo > 0; ++hi) |
| { |
| if (!HASHITEM_EMPTY(hi)) |
| { |
| --todo; |
| |
| di = dictitem_alloc(hi->hi_key); |
| if (di == NULL) |
| break; |
| if (deep) |
| item_copy(&HI2DI(hi)->di_tv, &di->di_tv, deep); |
| else |
| copy_tv(&HI2DI(hi)->di_tv, &di->di_tv); |
| if (dict_add(copy, di) == FAIL) |
| { |
| dictitem_free(di); |
| break; |
| } |
| } |
| } |
| |
| ++copy->dv_refcount; |
| } |
| |
| return copy; |
| } |
| |
| /* |
| * Add item "item" to Dictionary "d". |
| * Returns FAIL when out of memory and when key already existed. |
| */ |
| static int |
| dict_add(d, item) |
| dict_T *d; |
| dictitem_T *item; |
| { |
| return hash_add(&d->dv_hashtab, item->di_key); |
| } |
| |
| /* |
| * Get the number of items in a Dictionary. |
| */ |
| static long |
| dict_len(d) |
| dict_T *d; |
| { |
| if (d == NULL) |
| return 0L; |
| return d->dv_hashtab.ht_used; |
| } |
| |
| /* |
| * Find item "key[len]" in Dictionary "d". |
| * If "len" is negative use strlen(key). |
| * Returns NULL when not found. |
| */ |
| static dictitem_T * |
| dict_find(d, key, len) |
| dict_T *d; |
| char_u *key; |
| int len; |
| { |
| #define AKEYLEN 200 |
| char_u buf[AKEYLEN]; |
| char_u *akey; |
| char_u *tofree = NULL; |
| hashitem_T *hi; |
| |
| if (len < 0) |
| akey = key; |
| else if (len >= AKEYLEN) |
| { |
| tofree = akey = vim_strnsave(key, len); |
| if (akey == NULL) |
| return NULL; |
| } |
| else |
| { |
| /* Avoid a malloc/free by using buf[]. */ |
| STRNCPY(buf, key, len); |
| buf[len] = NUL; |
| akey = buf; |
| } |
| |
| hi = hash_find(&d->dv_hashtab, akey); |
| vim_free(tofree); |
| if (HASHITEM_EMPTY(hi)) |
| return NULL; |
| return HI2DI(hi); |
| } |
| |
| /* |
| * Return an allocated string with the string representation of a Dictionary. |
| * May return NULL. |
| */ |
| static char_u * |
| dict2string(tv) |
| typval_T *tv; |
| { |
| garray_T ga; |
| int first = TRUE; |
| char_u *tofree; |
| char_u numbuf[NUMBUFLEN]; |
| hashitem_T *hi; |
| char_u *s; |
| dict_T *d; |
| int todo; |
| |
| if ((d = tv->vval.v_dict) == NULL) |
| return NULL; |
| ga_init2(&ga, (int)sizeof(char), 80); |
| ga_append(&ga, '{'); |
| |
| todo = d->dv_hashtab.ht_used; |
| for (hi = d->dv_hashtab.ht_array; todo > 0; ++hi) |
| { |
| if (!HASHITEM_EMPTY(hi)) |
| { |
| --todo; |
| |
| if (first) |
| first = FALSE; |
| else |
| ga_concat(&ga, (char_u *)", "); |
| |
| tofree = string_quote(hi->hi_key, FALSE); |
| if (tofree != NULL) |
| { |
| ga_concat(&ga, tofree); |
| vim_free(tofree); |
| } |
| ga_concat(&ga, (char_u *)": "); |
| s = tv2string(&HI2DI(hi)->di_tv, &tofree, numbuf); |
| if (s != NULL) |
| ga_concat(&ga, s); |
| vim_free(tofree); |
| } |
| } |
| |
| ga_append(&ga, '}'); |
| ga_append(&ga, NUL); |
| return (char_u *)ga.ga_data; |
| } |
| |
| /* |
| * Allocate a variable for a Dictionary and fill it from "*arg". |
| * Return OK or FAIL. Returns NOTDONE for {expr}. |
| */ |
| static int |
| get_dict_tv(arg, rettv, evaluate) |
| char_u **arg; |
| typval_T *rettv; |
| int evaluate; |
| { |
| dict_T *d = NULL; |
| typval_T tvkey; |
| typval_T tv; |
| char_u *key; |
| dictitem_T *item; |
| char_u *start = skipwhite(*arg + 1); |
| char_u buf[NUMBUFLEN]; |
| |
| /* |
| * First check if it's not a curly-braces thing: {expr}. |
| * Must do this without evaluating, otherwise a function may be called |
| * twice. Unfortunately this means we need to call eval1() twice for the |
| * first item. |
| * But {} is an empty Dictionary. |
| */ |
| if (*start != '}') |
| { |
| if (eval1(&start, &tv, FALSE) == FAIL) /* recursive! */ |
| return FAIL; |
| if (*start == '}') |
| return NOTDONE; |
| } |
| |
| if (evaluate) |
| { |
| d = dict_alloc(); |
| if (d == NULL) |
| return FAIL; |
| } |
| tvkey.v_type = VAR_UNKNOWN; |
| tv.v_type = VAR_UNKNOWN; |
| |
| *arg = skipwhite(*arg + 1); |
| while (**arg != '}' && **arg != NUL) |
| { |
| if (eval1(arg, &tvkey, evaluate) == FAIL) /* recursive! */ |
| goto failret; |
| if (**arg != ':') |
| { |
| EMSG2(_("E720: Missing colon in Dictionary: %s"), *arg); |
| clear_tv(&tvkey); |
| goto failret; |
| } |
| key = get_tv_string_buf(&tvkey, buf); |
| if (*key == NUL) |
| { |
| EMSG(_(e_emptykey)); |
| clear_tv(&tvkey); |
| goto failret; |
| } |
| |
| *arg = skipwhite(*arg + 1); |
| if (eval1(arg, &tv, evaluate) == FAIL) /* recursive! */ |
| { |
| clear_tv(&tvkey); |
| goto failret; |
| } |
| if (evaluate) |
| { |
| item = dict_find(d, key, -1); |
| if (item != NULL) |
| { |
| EMSG(_("E721: Duplicate key in Dictionary")); |
| clear_tv(&tvkey); |
| clear_tv(&tv); |
| goto failret; |
| } |
| item = dictitem_alloc(key); |
| clear_tv(&tvkey); |
| if (item != NULL) |
| { |
| item->di_tv = tv; |
| item->di_tv.v_lock = 0; |
| if (dict_add(d, item) == FAIL) |
| dictitem_free(item); |
| } |
| } |
| |
| if (**arg == '}') |
| break; |
| if (**arg != ',') |
| { |
| EMSG2(_("E722: Missing comma in Dictionary: %s"), *arg); |
| goto failret; |
| } |
| *arg = skipwhite(*arg + 1); |
| } |
| |
| if (**arg != '}') |
| { |
| EMSG2(_("E723: Missing end of Dictionary '}': %s"), *arg); |
| failret: |
| if (evaluate) |
| dict_free(d); |
| return FAIL; |
| } |
| |
| *arg = skipwhite(*arg + 1); |
| if (evaluate) |
| { |
| rettv->v_type = VAR_DICT; |
| rettv->vval.v_dict = d; |
| ++d->dv_refcount; |
| } |
| |
| return OK; |
| } |
| |
| /* |
| * Return a string with the string representation of a variable. |
| * If the memory is allocated "tofree" is set to it, otherwise NULL. |
| * "numbuf" is used for a number. |
| * Does not put quotes around strings, as ":echo" displays values. |
| * May return NULL; |
| */ |
| static char_u * |
| echo_string(tv, tofree, numbuf) |
| typval_T *tv; |
| char_u **tofree; |
| char_u *numbuf; |
| { |
| static int recurse = 0; |
| char_u *r = NULL; |
| |
| if (recurse >= DICT_MAXNEST) |
| { |
| EMSG(_("E724: variable nested too deep for displaying")); |
| *tofree = NULL; |
| return NULL; |
| } |
| ++recurse; |
| |
| switch (tv->v_type) |
| { |
| case VAR_FUNC: |
| *tofree = NULL; |
| r = tv->vval.v_string; |
| break; |
| case VAR_LIST: |
| *tofree = list2string(tv); |
| r = *tofree; |
| break; |
| case VAR_DICT: |
| *tofree = dict2string(tv); |
| r = *tofree; |
| break; |
| case VAR_STRING: |
| case VAR_NUMBER: |
| *tofree = NULL; |
| r = get_tv_string_buf(tv, numbuf); |
| break; |
| default: |
| EMSG2(_(e_intern2), "echo_string()"); |
| *tofree = NULL; |
| } |
| |
| --recurse; |
| return r; |
| } |
| |
| /* |
| * Return a string with the string representation of a variable. |
| * If the memory is allocated "tofree" is set to it, otherwise NULL. |
| * "numbuf" is used for a number. |
| * Puts quotes around strings, so that they can be parsed back by eval(). |
| * May return NULL; |
| */ |
| static char_u * |
| tv2string(tv, tofree, numbuf) |
| typval_T *tv; |
| char_u **tofree; |
| char_u *numbuf; |
| { |
| switch (tv->v_type) |
| { |
| case VAR_FUNC: |
| *tofree = string_quote(tv->vval.v_string, TRUE); |
| return *tofree; |
| case VAR_STRING: |
| *tofree = string_quote(tv->vval.v_string, FALSE); |
| return *tofree; |
| case VAR_NUMBER: |
| case VAR_LIST: |
| case VAR_DICT: |
| break; |
| default: |
| EMSG2(_(e_intern2), "tv2string()"); |
| } |
| return echo_string(tv, tofree, numbuf); |
| } |
| |
| /* |
| * Return string "str" in ' quotes, doubling ' characters. |
| * If "str" is NULL an empty string is assumed. |
| * If "function" is TRUE make it function('string'). |
| */ |
| static char_u * |
| string_quote(str, function) |
| char_u *str; |
| int function; |
| { |
| unsigned len; |
| char_u *p, *r, *s; |
| |
| len = (function ? 13 : 3); |
| if (str != NULL) |
| { |
| len += STRLEN(str); |
| for (p = str; *p != NUL; mb_ptr_adv(p)) |
| if (*p == '\'') |
| ++len; |
| } |
| s = r = alloc(len); |
| if (r != NULL) |
| { |
| if (function) |
| { |
| STRCPY(r, "function('"); |
| r += 10; |
| } |
| else |
| *r++ = '\''; |
| if (str != NULL) |
| for (p = str; *p != NUL; ) |
| { |
| if (*p == '\'') |
| *r++ = '\''; |
| MB_COPY_CHAR(p, r); |
| } |
| *r++ = '\''; |
| if (function) |
| *r++ = ')'; |
| *r++ = NUL; |
| } |
| return s; |
| } |
| |
| /* |
| * Get the value of an environment variable. |
| * "arg" is pointing to the '$'. It is advanced to after the name. |
| * If the environment variable was not set, silently assume it is empty. |
| * Always return OK. |
| */ |
| static int |
| get_env_tv(arg, rettv, evaluate) |
| char_u **arg; |
| typval_T *rettv; |
| int evaluate; |
| { |
| char_u *string = NULL; |
| int len; |
| int cc; |
| char_u *name; |
| |
| ++*arg; |
| name = *arg; |
| len = get_env_len(arg); |
| if (evaluate) |
| { |
| if (len != 0) |
| { |
| cc = name[len]; |
| name[len] = NUL; |
| /* first try mch_getenv(), fast for normal environment vars */ |
| string = mch_getenv(name); |
| if (string != NULL && *string != NUL) |
| string = vim_strsave(string); |
| else |
| { |
| /* next try expanding things like $VIM and ${HOME} */ |
| string = expand_env_save(name - 1); |
| if (string != NULL && *string == '$') |
| { |
| vim_free(string); |
| string = NULL; |
| } |
| } |
| name[len] = cc; |
| } |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = string; |
| } |
| |
| return OK; |
| } |
| |
| /* |
| * Array with names and number of arguments of all internal functions |
| * MUST BE KEPT SORTED IN strcmp() ORDER FOR BINARY SEARCH! |
| */ |
| static struct fst |
| { |
| char *f_name; /* function name */ |
| char f_min_argc; /* minimal number of arguments */ |
| char f_max_argc; /* maximal number of arguments */ |
| void (*f_func) __ARGS((typval_T *args, typval_T *rvar)); |
| /* implemenation of function */ |
| } functions[] = |
| { |
| {"add", 2, 2, f_add}, |
| {"append", 2, 2, f_append}, |
| {"argc", 0, 0, f_argc}, |
| {"argidx", 0, 0, f_argidx}, |
| {"argv", 1, 1, f_argv}, |
| {"browse", 4, 4, f_browse}, |
| {"browsedir", 2, 2, f_browsedir}, |
| {"bufexists", 1, 1, f_bufexists}, |
| {"buffer_exists", 1, 1, f_bufexists}, /* obsolete */ |
| {"buffer_name", 1, 1, f_bufname}, /* obsolete */ |
| {"buffer_number", 1, 1, f_bufnr}, /* obsolete */ |
| {"buflisted", 1, 1, f_buflisted}, |
| {"bufloaded", 1, 1, f_bufloaded}, |
| {"bufname", 1, 1, f_bufname}, |
| {"bufnr", 1, 1, f_bufnr}, |
| {"bufwinnr", 1, 1, f_bufwinnr}, |
| {"byte2line", 1, 1, f_byte2line}, |
| {"byteidx", 2, 2, f_byteidx}, |
| {"call", 2, 3, f_call}, |
| {"char2nr", 1, 1, f_char2nr}, |
| {"cindent", 1, 1, f_cindent}, |
| {"col", 1, 1, f_col}, |
| {"confirm", 1, 4, f_confirm}, |
| {"copy", 1, 1, f_copy}, |
| {"count", 2, 4, f_count}, |
| {"cscope_connection",0,3, f_cscope_connection}, |
| {"cursor", 2, 2, f_cursor}, |
| {"deepcopy", 1, 1, f_deepcopy}, |
| {"delete", 1, 1, f_delete}, |
| {"did_filetype", 0, 0, f_did_filetype}, |
| {"diff_filler", 1, 1, f_diff_filler}, |
| {"diff_hlID", 2, 2, f_diff_hlID}, |
| {"empty", 1, 1, f_empty}, |
| {"escape", 2, 2, f_escape}, |
| {"eval", 1, 1, f_eval}, |
| {"eventhandler", 0, 0, f_eventhandler}, |
| {"executable", 1, 1, f_executable}, |
| {"exists", 1, 1, f_exists}, |
| {"expand", 1, 2, f_expand}, |
| {"extend", 2, 3, f_extend}, |
| {"file_readable", 1, 1, f_filereadable}, /* obsolete */ |
| {"filereadable", 1, 1, f_filereadable}, |
| {"filewritable", 1, 1, f_filewritable}, |
| {"filter", 2, 2, f_filter}, |
| {"finddir", 1, 3, f_finddir}, |
| {"findfile", 1, 3, f_findfile}, |
| {"fnamemodify", 2, 2, f_fnamemodify}, |
| {"foldclosed", 1, 1, f_foldclosed}, |
| {"foldclosedend", 1, 1, f_foldclosedend}, |
| {"foldlevel", 1, 1, f_foldlevel}, |
| {"foldtext", 0, 0, f_foldtext}, |
| {"foldtextresult", 1, 1, f_foldtextresult}, |
| {"foreground", 0, 0, f_foreground}, |
| {"function", 1, 1, f_function}, |
| {"get", 2, 3, f_get}, |
| {"getbufvar", 2, 2, f_getbufvar}, |
| {"getchar", 0, 1, f_getchar}, |
| {"getcharmod", 0, 0, f_getcharmod}, |
| {"getcmdline", 0, 0, f_getcmdline}, |
| {"getcmdpos", 0, 0, f_getcmdpos}, |
| {"getcwd", 0, 0, f_getcwd}, |
| {"getfontname", 0, 1, f_getfontname}, |
| {"getfperm", 1, 1, f_getfperm}, |
| {"getfsize", 1, 1, f_getfsize}, |
| {"getftime", 1, 1, f_getftime}, |
| {"getftype", 1, 1, f_getftype}, |
| {"getline", 1, 2, f_getline}, |
| {"getreg", 0, 1, f_getreg}, |
| {"getregtype", 0, 1, f_getregtype}, |
| {"getwinposx", 0, 0, f_getwinposx}, |
| {"getwinposy", 0, 0, f_getwinposy}, |
| {"getwinvar", 2, 2, f_getwinvar}, |
| {"glob", 1, 1, f_glob}, |
| {"globpath", 2, 2, f_globpath}, |
| {"has", 1, 1, f_has}, |
| {"has_key", 2, 2, f_has_key}, |
| {"hasmapto", 1, 2, f_hasmapto}, |
| {"highlightID", 1, 1, f_hlID}, /* obsolete */ |
| {"highlight_exists",1, 1, f_hlexists}, /* obsolete */ |
| {"histadd", 2, 2, f_histadd}, |
| {"histdel", 1, 2, f_histdel}, |
| {"histget", 1, 2, f_histget}, |
| {"histnr", 1, 1, f_histnr}, |
| {"hlID", 1, 1, f_hlID}, |
| {"hlexists", 1, 1, f_hlexists}, |
| {"hostname", 0, 0, f_hostname}, |
| {"iconv", 3, 3, f_iconv}, |
| {"indent", 1, 1, f_indent}, |
| {"index", 2, 4, f_index}, |
| {"input", 1, 2, f_input}, |
| {"inputdialog", 1, 3, f_inputdialog}, |
| {"inputrestore", 0, 0, f_inputrestore}, |
| {"inputsave", 0, 0, f_inputsave}, |
| {"inputsecret", 1, 2, f_inputsecret}, |
| {"insert", 2, 3, f_insert}, |
| {"isdirectory", 1, 1, f_isdirectory}, |
| {"islocked", 1, 1, f_islocked}, |
| {"items", 1, 1, f_items}, |
| {"join", 1, 2, f_join}, |
| {"keys", 1, 1, f_keys}, |
| {"last_buffer_nr", 0, 0, f_last_buffer_nr},/* obsolete */ |
| {"len", 1, 1, f_len}, |
| {"libcall", 3, 3, f_libcall}, |
| {"libcallnr", 3, 3, f_libcallnr}, |
| {"line", 1, 1, f_line}, |
| {"line2byte", 1, 1, f_line2byte}, |
| {"lispindent", 1, 1, f_lispindent}, |
| {"localtime", 0, 0, f_localtime}, |
| {"map", 2, 2, f_map}, |
| {"maparg", 1, 2, f_maparg}, |
| {"mapcheck", 1, 2, f_mapcheck}, |
| {"match", 2, 4, f_match}, |
| {"matchend", 2, 4, f_matchend}, |
| {"matchstr", 2, 4, f_matchstr}, |
| {"max", 1, 1, f_max}, |
| {"min", 1, 1, f_min}, |
| {"mode", 0, 0, f_mode}, |
| {"nextnonblank", 1, 1, f_nextnonblank}, |
| {"nr2char", 1, 1, f_nr2char}, |
| {"prevnonblank", 1, 1, f_prevnonblank}, |
| {"range", 1, 3, f_range}, |
| {"remote_expr", 2, 3, f_remote_expr}, |
| {"remote_foreground", 1, 1, f_remote_foreground}, |
| {"remote_peek", 1, 2, f_remote_peek}, |
| {"remote_read", 1, 1, f_remote_read}, |
| {"remote_send", 2, 3, f_remote_send}, |
| {"remove", 2, 3, f_remove}, |
| {"rename", 2, 2, f_rename}, |
| {"repeat", 2, 2, f_repeat}, |
| {"resolve", 1, 1, f_resolve}, |
| {"reverse", 1, 1, f_reverse}, |
| {"search", 1, 2, f_search}, |
| {"searchpair", 3, 5, f_searchpair}, |
| {"server2client", 2, 2, f_server2client}, |
| {"serverlist", 0, 0, f_serverlist}, |
| {"setbufvar", 3, 3, f_setbufvar}, |
| {"setcmdpos", 1, 1, f_setcmdpos}, |
| {"setline", 2, 2, f_setline}, |
| {"setreg", 2, 3, f_setreg}, |
| {"setwinvar", 3, 3, f_setwinvar}, |
| {"simplify", 1, 1, f_simplify}, |
| {"sort", 1, 2, f_sort}, |
| {"split", 1, 2, f_split}, |
| #ifdef HAVE_STRFTIME |
| {"strftime", 1, 2, f_strftime}, |
| #endif |
| {"stridx", 2, 3, f_stridx}, |
| {"string", 1, 1, f_string}, |
| {"strlen", 1, 1, f_strlen}, |
| {"strpart", 2, 3, f_strpart}, |
| {"strridx", 2, 3, f_strridx}, |
| {"strtrans", 1, 1, f_strtrans}, |
| {"submatch", 1, 1, f_submatch}, |
| {"substitute", 4, 4, f_substitute}, |
| {"synID", 3, 3, f_synID}, |
| {"synIDattr", 2, 3, f_synIDattr}, |
| {"synIDtrans", 1, 1, f_synIDtrans}, |
| {"system", 1, 2, f_system}, |
| {"tempname", 0, 0, f_tempname}, |
| {"tolower", 1, 1, f_tolower}, |
| {"toupper", 1, 1, f_toupper}, |
| {"tr", 3, 3, f_tr}, |
| {"type", 1, 1, f_type}, |
| {"values", 1, 1, f_values}, |
| {"virtcol", 1, 1, f_virtcol}, |
| {"visualmode", 0, 1, f_visualmode}, |
| {"winbufnr", 1, 1, f_winbufnr}, |
| {"wincol", 0, 0, f_wincol}, |
| {"winheight", 1, 1, f_winheight}, |
| {"winline", 0, 0, f_winline}, |
| {"winnr", 0, 1, f_winnr}, |
| {"winrestcmd", 0, 0, f_winrestcmd}, |
| {"winwidth", 1, 1, f_winwidth}, |
| }; |
| |
| #if defined(FEAT_CMDL_COMPL) || defined(PROTO) |
| |
| /* |
| * Function given to ExpandGeneric() to obtain the list of internal |
| * or user defined function names. |
| */ |
| char_u * |
| get_function_name(xp, idx) |
| expand_T *xp; |
| int idx; |
| { |
| static int intidx = -1; |
| char_u *name; |
| |
| if (idx == 0) |
| intidx = -1; |
| if (intidx < 0) |
| { |
| name = get_user_func_name(xp, idx); |
| if (name != NULL) |
| return name; |
| } |
| if (++intidx < (int)(sizeof(functions) / sizeof(struct fst))) |
| { |
| STRCPY(IObuff, functions[intidx].f_name); |
| STRCAT(IObuff, "("); |
| if (functions[intidx].f_max_argc == 0) |
| STRCAT(IObuff, ")"); |
| return IObuff; |
| } |
| |
| return NULL; |
| } |
| |
| /* |
| * Function given to ExpandGeneric() to obtain the list of internal or |
| * user defined variable or function names. |
| */ |
| /*ARGSUSED*/ |
| char_u * |
| get_expr_name(xp, idx) |
| expand_T *xp; |
| int idx; |
| { |
| static int intidx = -1; |
| char_u *name; |
| |
| if (idx == 0) |
| intidx = -1; |
| if (intidx < 0) |
| { |
| name = get_function_name(xp, idx); |
| if (name != NULL) |
| return name; |
| } |
| return get_user_var_name(xp, ++intidx); |
| } |
| |
| #endif /* FEAT_CMDL_COMPL */ |
| |
| /* |
| * Find internal function in table above. |
| * Return index, or -1 if not found |
| */ |
| static int |
| find_internal_func(name) |
| char_u *name; /* name of the function */ |
| { |
| int first = 0; |
| int last = (int)(sizeof(functions) / sizeof(struct fst)) - 1; |
| int cmp; |
| int x; |
| |
| /* |
| * Find the function name in the table. Binary search. |
| */ |
| while (first <= last) |
| { |
| x = first + ((unsigned)(last - first) >> 1); |
| cmp = STRCMP(name, functions[x].f_name); |
| if (cmp < 0) |
| last = x - 1; |
| else if (cmp > 0) |
| first = x + 1; |
| else |
| return x; |
| } |
| return -1; |
| } |
| |
| /* |
| * Check if "name" is a variable of type VAR_FUNC. If so, return the function |
| * name it contains, otherwise return "name". |
| */ |
| static char_u * |
| deref_func_name(name, lenp) |
| char_u *name; |
| int *lenp; |
| { |
| dictitem_T *v; |
| int cc; |
| |
| cc = name[*lenp]; |
| name[*lenp] = NUL; |
| v = find_var(name, NULL); |
| name[*lenp] = cc; |
| if (v != NULL && v->di_tv.v_type == VAR_FUNC) |
| { |
| if (v->di_tv.vval.v_string == NULL) |
| { |
| *lenp = 0; |
| return (char_u *)""; /* just in case */ |
| } |
| *lenp = STRLEN(v->di_tv.vval.v_string); |
| return v->di_tv.vval.v_string; |
| } |
| |
| return name; |
| } |
| |
| /* |
| * Allocate a variable for the result of a function. |
| * Return OK or FAIL. |
| */ |
| static int |
| get_func_tv(name, len, rettv, arg, firstline, lastline, doesrange, |
| evaluate, selfdict) |
| char_u *name; /* name of the function */ |
| int len; /* length of "name" */ |
| typval_T *rettv; |
| char_u **arg; /* argument, pointing to the '(' */ |
| linenr_T firstline; /* first line of range */ |
| linenr_T lastline; /* last line of range */ |
| int *doesrange; /* return: function handled range */ |
| int evaluate; |
| dict_T *selfdict; /* Dictionary for "self" */ |
| { |
| char_u *argp; |
| int ret = OK; |
| typval_T argvars[MAX_FUNC_ARGS]; /* vars for arguments */ |
| int argcount = 0; /* number of arguments found */ |
| |
| /* |
| * Get the arguments. |
| */ |
| argp = *arg; |
| while (argcount < MAX_FUNC_ARGS) |
| { |
| argp = skipwhite(argp + 1); /* skip the '(' or ',' */ |
| if (*argp == ')' || *argp == ',' || *argp == NUL) |
| break; |
| if (eval1(&argp, &argvars[argcount], evaluate) == FAIL) |
| { |
| ret = FAIL; |
| break; |
| } |
| ++argcount; |
| if (*argp != ',') |
| break; |
| } |
| if (*argp == ')') |
| ++argp; |
| else |
| ret = FAIL; |
| |
| if (ret == OK) |
| ret = call_func(name, len, rettv, argcount, argvars, |
| firstline, lastline, doesrange, evaluate, selfdict); |
| else if (!aborting()) |
| { |
| if (argcount == MAX_FUNC_ARGS) |
| EMSG2(_("E740: Too many arguments for function %s"), name); |
| else |
| EMSG2(_("E116: Invalid arguments for function %s"), name); |
| } |
| |
| while (--argcount >= 0) |
| clear_tv(&argvars[argcount]); |
| |
| *arg = skipwhite(argp); |
| return ret; |
| } |
| |
| |
| /* |
| * Call a function with its resolved parameters |
| * Return OK or FAIL. |
| */ |
| static int |
| call_func(name, len, rettv, argcount, argvars, firstline, lastline, |
| doesrange, evaluate, selfdict) |
| char_u *name; /* name of the function */ |
| int len; /* length of "name" */ |
| typval_T *rettv; /* return value goes here */ |
| int argcount; /* number of "argvars" */ |
| typval_T *argvars; /* vars for arguments */ |
| linenr_T firstline; /* first line of range */ |
| linenr_T lastline; /* last line of range */ |
| int *doesrange; /* return: function handled range */ |
| int evaluate; |
| dict_T *selfdict; /* Dictionary for "self" */ |
| { |
| int ret = FAIL; |
| #define ERROR_UNKNOWN 0 |
| #define ERROR_TOOMANY 1 |
| #define ERROR_TOOFEW 2 |
| #define ERROR_SCRIPT 3 |
| #define ERROR_DICT 4 |
| #define ERROR_NONE 5 |
| #define ERROR_OTHER 6 |
| int error = ERROR_NONE; |
| int i; |
| int llen; |
| ufunc_T *fp; |
| int cc; |
| #define FLEN_FIXED 40 |
| char_u fname_buf[FLEN_FIXED + 1]; |
| char_u *fname; |
| |
| /* |
| * In a script change <SID>name() and s:name() to K_SNR 123_name(). |
| * Change <SNR>123_name() to K_SNR 123_name(). |
| * Use fname_buf[] when it fits, otherwise allocate memory (slow). |
| */ |
| cc = name[len]; |
| name[len] = NUL; |
| llen = eval_fname_script(name); |
| if (llen > 0) |
| { |
| fname_buf[0] = K_SPECIAL; |
| fname_buf[1] = KS_EXTRA; |
| fname_buf[2] = (int)KE_SNR; |
| i = 3; |
| if (eval_fname_sid(name)) /* "<SID>" or "s:" */ |
| { |
| if (current_SID <= 0) |
| error = ERROR_SCRIPT; |
| else |
| { |
| sprintf((char *)fname_buf + 3, "%ld_", (long)current_SID); |
| i = (int)STRLEN(fname_buf); |
| } |
| } |
| if (i + STRLEN(name + llen) < FLEN_FIXED) |
| { |
| STRCPY(fname_buf + i, name + llen); |
| fname = fname_buf; |
| } |
| else |
| { |
| fname = alloc((unsigned)(i + STRLEN(name + llen) + 1)); |
| if (fname == NULL) |
| error = ERROR_OTHER; |
| else |
| { |
| mch_memmove(fname, fname_buf, (size_t)i); |
| STRCPY(fname + i, name + llen); |
| } |
| } |
| } |
| else |
| fname = name; |
| |
| *doesrange = FALSE; |
| |
| |
| /* execute the function if no errors detected and executing */ |
| if (evaluate && error == ERROR_NONE) |
| { |
| rettv->v_type = VAR_NUMBER; /* default is number rettv */ |
| error = ERROR_UNKNOWN; |
| |
| if (!ASCII_ISLOWER(fname[0])) |
| { |
| /* |
| * User defined function. |
| */ |
| fp = find_func(fname); |
| #ifdef FEAT_AUTOCMD |
| if (fp == NULL && apply_autocmds(EVENT_FUNCUNDEFINED, |
| fname, fname, TRUE, NULL) |
| #ifdef FEAT_EVAL |
| && !aborting() |
| #endif |
| ) |
| { |
| /* executed an autocommand, search for function again */ |
| fp = find_func(fname); |
| } |
| #endif |
| if (fp != NULL) |
| { |
| if (fp->flags & FC_RANGE) |
| *doesrange = TRUE; |
| if (argcount < fp->args.ga_len) |
| error = ERROR_TOOFEW; |
| else if (!fp->varargs && argcount > fp->args.ga_len) |
| error = ERROR_TOOMANY; |
| else if ((fp->flags & FC_DICT) && selfdict == NULL) |
| error = ERROR_DICT; |
| else |
| { |
| /* |
| * Call the user function. |
| * Save and restore search patterns, script variables and |
| * redo buffer. |
| */ |
| save_search_patterns(); |
| saveRedobuff(); |
| ++fp->calls; |
| call_user_func(fp, argcount, argvars, rettv, |
| firstline, lastline, |
| (fp->flags & FC_DICT) ? selfdict : NULL); |
| if (--fp->calls <= 0 && isdigit(*fp->name) |
| && fp->refcount <= 0) |
| /* Function was unreferenced while being used, free it |
| * now. */ |
| func_free(fp); |
| restoreRedobuff(); |
| restore_search_patterns(); |
| error = ERROR_NONE; |
| } |
| } |
| } |
| else |
| { |
| /* |
| * Find the function name in the table, call its implementation. |
| */ |
| i = find_internal_func(fname); |
| if (i >= 0) |
| { |
| if (argcount < functions[i].f_min_argc) |
| error = ERROR_TOOFEW; |
| else if (argcount > functions[i].f_max_argc) |
| error = ERROR_TOOMANY; |
| else |
| { |
| argvars[argcount].v_type = VAR_UNKNOWN; |
| functions[i].f_func(argvars, rettv); |
| error = ERROR_NONE; |
| } |
| } |
| } |
| /* |
| * The function call (or "FuncUndefined" autocommand sequence) might |
| * have been aborted by an error, an interrupt, or an explicitly thrown |
| * exception that has not been caught so far. This situation can be |
| * tested for by calling aborting(). For an error in an internal |
| * function or for the "E132" error in call_user_func(), however, the |
| * throw point at which the "force_abort" flag (temporarily reset by |
| * emsg()) is normally updated has not been reached yet. We need to |
| * update that flag first to make aborting() reliable. |
| */ |
| update_force_abort(); |
| } |
| if (error == ERROR_NONE) |
| ret = OK; |
| |
| /* |
| * Report an error unless the argument evaluation or function call has been |
| * cancelled due to an aborting error, an interrupt, or an exception. |
| */ |
| if (!aborting()) |
| { |
| switch (error) |
| { |
| case ERROR_UNKNOWN: |
| EMSG2(_("E117: Unknown function: %s"), name); |
| break; |
| case ERROR_TOOMANY: |
| EMSG2(_(e_toomanyarg), name); |
| break; |
| case ERROR_TOOFEW: |
| EMSG2(_("E119: Not enough arguments for function: %s"), |
| name); |
| break; |
| case ERROR_SCRIPT: |
| EMSG2(_("E120: Using <SID> not in a script context: %s"), |
| name); |
| break; |
| case ERROR_DICT: |
| EMSG2(_("E725: Calling dict function without Dictionary: %s"), |
| name); |
| break; |
| } |
| } |
| |
| name[len] = cc; |
| if (fname != name && fname != fname_buf) |
| vim_free(fname); |
| |
| return ret; |
| } |
| |
| /********************************************* |
| * Implementation of the built-in functions |
| */ |
| |
| /* |
| * "add(list, item)" function |
| */ |
| static void |
| f_add(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| list_T *l; |
| |
| rettv->vval.v_number = 1; /* Default: Failed */ |
| if (argvars[0].v_type == VAR_LIST) |
| { |
| if ((l = argvars[0].vval.v_list) != NULL |
| && !tv_check_lock(l->lv_lock, (char_u *)"add()") |
| && list_append_tv(l, &argvars[1]) == OK) |
| copy_tv(&argvars[0], rettv); |
| } |
| else |
| EMSG(_(e_listreq)); |
| } |
| |
| /* |
| * "append(lnum, string/list)" function |
| */ |
| static void |
| f_append(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| long lnum; |
| list_T *l = NULL; |
| listitem_T *li = NULL; |
| typval_T *tv; |
| long added = 0; |
| |
| rettv->vval.v_number = 1; /* Default: Failed */ |
| lnum = get_tv_lnum(argvars); |
| if (lnum >= 0 |
| && lnum <= curbuf->b_ml.ml_line_count |
| && u_save(lnum, lnum + 1) == OK) |
| { |
| if (argvars[1].v_type == VAR_LIST) |
| { |
| l = argvars[1].vval.v_list; |
| if (l == NULL) |
| return; |
| li = l->lv_first; |
| } |
| for (;;) |
| { |
| if (l == NULL) |
| tv = &argvars[1]; /* append a string */ |
| else if (li == NULL) |
| break; /* end of list */ |
| else |
| tv = &li->li_tv; /* append item from list */ |
| ml_append(lnum + added, get_tv_string(tv), (colnr_T)0, FALSE); |
| ++added; |
| if (l == NULL) |
| break; |
| li = li->li_next; |
| } |
| |
| appended_lines_mark(lnum, added); |
| if (curwin->w_cursor.lnum > lnum) |
| curwin->w_cursor.lnum += added; |
| rettv->vval.v_number = 0; /* Success */ |
| } |
| } |
| |
| /* |
| * "argc()" function |
| */ |
| /* ARGSUSED */ |
| static void |
| f_argc(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = ARGCOUNT; |
| } |
| |
| /* |
| * "argidx()" function |
| */ |
| /* ARGSUSED */ |
| static void |
| f_argidx(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = curwin->w_arg_idx; |
| } |
| |
| /* |
| * "argv(nr)" function |
| */ |
| static void |
| f_argv(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| int idx; |
| |
| idx = get_tv_number(&argvars[0]); |
| if (idx >= 0 && idx < ARGCOUNT) |
| rettv->vval.v_string = vim_strsave(alist_name(&ARGLIST[idx])); |
| else |
| rettv->vval.v_string = NULL; |
| rettv->v_type = VAR_STRING; |
| } |
| |
| /* |
| * "browse(save, title, initdir, default)" function |
| */ |
| /* ARGSUSED */ |
| static void |
| f_browse(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_BROWSE |
| int save; |
| char_u *title; |
| char_u *initdir; |
| char_u *defname; |
| char_u buf[NUMBUFLEN]; |
| char_u buf2[NUMBUFLEN]; |
| |
| save = get_tv_number(&argvars[0]); |
| title = get_tv_string(&argvars[1]); |
| initdir = get_tv_string_buf(&argvars[2], buf); |
| defname = get_tv_string_buf(&argvars[3], buf2); |
| |
| rettv->vval.v_string = |
| do_browse(save ? BROWSE_SAVE : 0, |
| title, defname, NULL, initdir, NULL, curbuf); |
| #else |
| rettv->vval.v_string = NULL; |
| #endif |
| rettv->v_type = VAR_STRING; |
| } |
| |
| /* |
| * "browsedir(title, initdir)" function |
| */ |
| /* ARGSUSED */ |
| static void |
| f_browsedir(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_BROWSE |
| char_u *title; |
| char_u *initdir; |
| char_u buf[NUMBUFLEN]; |
| |
| title = get_tv_string(&argvars[0]); |
| initdir = get_tv_string_buf(&argvars[1], buf); |
| |
| rettv->vval.v_string = do_browse(BROWSE_DIR, |
| title, NULL, NULL, initdir, NULL, curbuf); |
| #else |
| rettv->vval.v_string = NULL; |
| #endif |
| rettv->v_type = VAR_STRING; |
| } |
| |
| static buf_T *find_buffer __ARGS((typval_T *avar)); |
| |
| /* |
| * Find a buffer by number or exact name. |
| */ |
| static buf_T * |
| find_buffer(avar) |
| typval_T *avar; |
| { |
| buf_T *buf = NULL; |
| |
| if (avar->v_type == VAR_NUMBER) |
| buf = buflist_findnr((int)avar->vval.v_number); |
| else if (avar->vval.v_string != NULL) |
| { |
| buf = buflist_findname_exp(avar->vval.v_string); |
| if (buf == NULL) |
| { |
| /* No full path name match, try a match with a URL or a "nofile" |
| * buffer, these don't use the full path. */ |
| for (buf = firstbuf; buf != NULL; buf = buf->b_next) |
| if (buf->b_fname != NULL |
| && (path_with_url(buf->b_fname) |
| #ifdef FEAT_QUICKFIX |
| || bt_nofile(buf) |
| #endif |
| ) |
| && STRCMP(buf->b_fname, avar->vval.v_string) == 0) |
| break; |
| } |
| } |
| return buf; |
| } |
| |
| /* |
| * "bufexists(expr)" function |
| */ |
| static void |
| f_bufexists(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = (find_buffer(&argvars[0]) != NULL); |
| } |
| |
| /* |
| * "buflisted(expr)" function |
| */ |
| static void |
| f_buflisted(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| buf_T *buf; |
| |
| buf = find_buffer(&argvars[0]); |
| rettv->vval.v_number = (buf != NULL && buf->b_p_bl); |
| } |
| |
| /* |
| * "bufloaded(expr)" function |
| */ |
| static void |
| f_bufloaded(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| buf_T *buf; |
| |
| buf = find_buffer(&argvars[0]); |
| rettv->vval.v_number = (buf != NULL && buf->b_ml.ml_mfp != NULL); |
| } |
| |
| static buf_T *get_buf_tv __ARGS((typval_T *tv)); |
| |
| /* |
| * Get buffer by number or pattern. |
| */ |
| static buf_T * |
| get_buf_tv(tv) |
| typval_T *tv; |
| { |
| char_u *name = tv->vval.v_string; |
| int save_magic; |
| char_u *save_cpo; |
| buf_T *buf; |
| |
| if (tv->v_type == VAR_NUMBER) |
| return buflist_findnr((int)tv->vval.v_number); |
| if (name == NULL || *name == NUL) |
| return curbuf; |
| if (name[0] == '$' && name[1] == NUL) |
| return lastbuf; |
| |
| /* Ignore 'magic' and 'cpoptions' here to make scripts portable */ |
| save_magic = p_magic; |
| p_magic = TRUE; |
| save_cpo = p_cpo; |
| p_cpo = (char_u *)""; |
| |
| buf = buflist_findnr(buflist_findpat(name, name + STRLEN(name), |
| TRUE, FALSE)); |
| |
| p_magic = save_magic; |
| p_cpo = save_cpo; |
| |
| /* If not found, try expanding the name, like done for bufexists(). */ |
| if (buf == NULL) |
| buf = find_buffer(tv); |
| |
| return buf; |
| } |
| |
| /* |
| * "bufname(expr)" function |
| */ |
| static void |
| f_bufname(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| buf_T *buf; |
| |
| ++emsg_off; |
| buf = get_buf_tv(&argvars[0]); |
| rettv->v_type = VAR_STRING; |
| if (buf != NULL && buf->b_fname != NULL) |
| rettv->vval.v_string = vim_strsave(buf->b_fname); |
| else |
| rettv->vval.v_string = NULL; |
| --emsg_off; |
| } |
| |
| /* |
| * "bufnr(expr)" function |
| */ |
| static void |
| f_bufnr(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| buf_T *buf; |
| |
| ++emsg_off; |
| buf = get_buf_tv(&argvars[0]); |
| if (buf != NULL) |
| rettv->vval.v_number = buf->b_fnum; |
| else |
| rettv->vval.v_number = -1; |
| --emsg_off; |
| } |
| |
| /* |
| * "bufwinnr(nr)" function |
| */ |
| static void |
| f_bufwinnr(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_WINDOWS |
| win_T *wp; |
| int winnr = 0; |
| #endif |
| buf_T *buf; |
| |
| ++emsg_off; |
| buf = get_buf_tv(&argvars[0]); |
| #ifdef FEAT_WINDOWS |
| for (wp = firstwin; wp; wp = wp->w_next) |
| { |
| ++winnr; |
| if (wp->w_buffer == buf) |
| break; |
| } |
| rettv->vval.v_number = (wp != NULL ? winnr : -1); |
| #else |
| rettv->vval.v_number = (curwin->w_buffer == buf ? 1 : -1); |
| #endif |
| --emsg_off; |
| } |
| |
| /* |
| * "byte2line(byte)" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_byte2line(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifndef FEAT_BYTEOFF |
| rettv->vval.v_number = -1; |
| #else |
| long boff = 0; |
| |
| boff = get_tv_number(&argvars[0]) - 1; |
| if (boff < 0) |
| rettv->vval.v_number = -1; |
| else |
| rettv->vval.v_number = ml_find_line_or_offset(curbuf, |
| (linenr_T)0, &boff); |
| #endif |
| } |
| |
| /* |
| * "byteidx()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_byteidx(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_MBYTE |
| char_u *t; |
| #endif |
| char_u *str; |
| long idx; |
| |
| str = get_tv_string(&argvars[0]); |
| idx = get_tv_number(&argvars[1]); |
| rettv->vval.v_number = -1; |
| if (idx < 0) |
| return; |
| |
| #ifdef FEAT_MBYTE |
| t = str; |
| for ( ; idx > 0; idx--) |
| { |
| if (*t == NUL) /* EOL reached */ |
| return; |
| t += mb_ptr2len_check(t); |
| } |
| rettv->vval.v_number = t - str; |
| #else |
| if (idx <= STRLEN(str)) |
| rettv->vval.v_number = idx; |
| #endif |
| } |
| |
| /* |
| * "call(func, arglist)" function |
| */ |
| static void |
| f_call(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *func; |
| typval_T argv[MAX_FUNC_ARGS]; |
| int argc = 0; |
| listitem_T *item; |
| int dummy; |
| dict_T *selfdict = NULL; |
| |
| rettv->vval.v_number = 0; |
| if (argvars[1].v_type != VAR_LIST) |
| { |
| EMSG(_(e_listreq)); |
| return; |
| } |
| if (argvars[1].vval.v_list == NULL) |
| return; |
| |
| if (argvars[0].v_type == VAR_FUNC) |
| func = argvars[0].vval.v_string; |
| else |
| func = get_tv_string(&argvars[0]); |
| |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| { |
| if (argvars[2].v_type != VAR_DICT) |
| { |
| EMSG(_(e_dictreq)); |
| return; |
| } |
| selfdict = argvars[2].vval.v_dict; |
| } |
| |
| for (item = argvars[1].vval.v_list->lv_first; item != NULL; |
| item = item->li_next) |
| { |
| if (argc == MAX_FUNC_ARGS) |
| { |
| EMSG(_("E699: Too many arguments")); |
| break; |
| } |
| /* Make a copy of each argument. This is needed to be able to set |
| * v_lock to VAR_FIXED in the copy without changing the original list. |
| */ |
| copy_tv(&item->li_tv, &argv[argc++]); |
| } |
| |
| if (item == NULL) |
| (void)call_func(func, STRLEN(func), rettv, argc, argv, |
| curwin->w_cursor.lnum, curwin->w_cursor.lnum, |
| &dummy, TRUE, selfdict); |
| |
| /* Free the arguments. */ |
| while (argc > 0) |
| clear_tv(&argv[--argc]); |
| } |
| |
| /* |
| * "char2nr(string)" function |
| */ |
| static void |
| f_char2nr(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_MBYTE |
| if (has_mbyte) |
| rettv->vval.v_number = |
| (*mb_ptr2char)(get_tv_string(&argvars[0])); |
| else |
| #endif |
| rettv->vval.v_number = get_tv_string(&argvars[0])[0]; |
| } |
| |
| /* |
| * "cindent(lnum)" function |
| */ |
| static void |
| f_cindent(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_CINDENT |
| pos_T pos; |
| linenr_T lnum; |
| |
| pos = curwin->w_cursor; |
| lnum = get_tv_lnum(argvars); |
| if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count) |
| { |
| curwin->w_cursor.lnum = lnum; |
| rettv->vval.v_number = get_c_indent(); |
| curwin->w_cursor = pos; |
| } |
| else |
| #endif |
| rettv->vval.v_number = -1; |
| } |
| |
| /* |
| * "col(string)" function |
| */ |
| static void |
| f_col(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| colnr_T col = 0; |
| pos_T *fp; |
| |
| fp = var2fpos(&argvars[0], FALSE); |
| if (fp != NULL) |
| { |
| if (fp->col == MAXCOL) |
| { |
| /* '> can be MAXCOL, get the length of the line then */ |
| if (fp->lnum <= curbuf->b_ml.ml_line_count) |
| col = STRLEN(ml_get(fp->lnum)) + 1; |
| else |
| col = MAXCOL; |
| } |
| else |
| { |
| col = fp->col + 1; |
| #ifdef FEAT_VIRTUALEDIT |
| /* col(".") when the cursor is on the NUL at the end of the line |
| * because of "coladd" can be seen as an extra column. */ |
| if (virtual_active() && fp == &curwin->w_cursor) |
| { |
| char_u *p = ml_get_cursor(); |
| |
| if (curwin->w_cursor.coladd >= (colnr_T)chartabsize(p, |
| curwin->w_virtcol - curwin->w_cursor.coladd)) |
| { |
| # ifdef FEAT_MBYTE |
| int l; |
| |
| if (*p != NUL && p[(l = (*mb_ptr2len_check)(p))] == NUL) |
| col += l; |
| # else |
| if (*p != NUL && p[1] == NUL) |
| ++col; |
| # endif |
| } |
| } |
| #endif |
| } |
| } |
| rettv->vval.v_number = col; |
| } |
| |
| /* |
| * "confirm(message, buttons[, default [, type]])" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_confirm(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) |
| char_u *message; |
| char_u *buttons = NULL; |
| char_u buf[NUMBUFLEN]; |
| char_u buf2[NUMBUFLEN]; |
| int def = 1; |
| int type = VIM_GENERIC; |
| int c; |
| |
| message = get_tv_string(&argvars[0]); |
| if (argvars[1].v_type != VAR_UNKNOWN) |
| { |
| buttons = get_tv_string_buf(&argvars[1], buf); |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| { |
| def = get_tv_number(&argvars[2]); |
| if (argvars[3].v_type != VAR_UNKNOWN) |
| { |
| /* avoid that TOUPPER_ASC calls get_tv_string_buf() twice */ |
| c = *get_tv_string_buf(&argvars[3], buf2); |
| switch (TOUPPER_ASC(c)) |
| { |
| case 'E': type = VIM_ERROR; break; |
| case 'Q': type = VIM_QUESTION; break; |
| case 'I': type = VIM_INFO; break; |
| case 'W': type = VIM_WARNING; break; |
| case 'G': type = VIM_GENERIC; break; |
| } |
| } |
| } |
| } |
| |
| if (buttons == NULL || *buttons == NUL) |
| buttons = (char_u *)_("&Ok"); |
| |
| rettv->vval.v_number = do_dialog(type, NULL, message, buttons, |
| def, NULL); |
| #else |
| rettv->vval.v_number = 0; |
| #endif |
| } |
| |
| /* |
| * "copy()" function |
| */ |
| static void |
| f_copy(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| item_copy(&argvars[0], rettv, FALSE); |
| } |
| |
| /* |
| * "count()" function |
| */ |
| static void |
| f_count(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| long n = 0; |
| int ic = FALSE; |
| |
| if (argvars[0].v_type == VAR_LIST) |
| { |
| listitem_T *li; |
| list_T *l; |
| long idx; |
| |
| if ((l = argvars[0].vval.v_list) != NULL) |
| { |
| li = l->lv_first; |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| { |
| ic = get_tv_number(&argvars[2]); |
| if (argvars[3].v_type != VAR_UNKNOWN) |
| { |
| idx = get_tv_number(&argvars[3]); |
| li = list_find(l, idx); |
| if (li == NULL) |
| EMSGN(_(e_listidx), idx); |
| } |
| } |
| |
| for ( ; li != NULL; li = li->li_next) |
| if (tv_equal(&li->li_tv, &argvars[1], ic)) |
| ++n; |
| } |
| } |
| else if (argvars[0].v_type == VAR_DICT) |
| { |
| int todo; |
| dict_T *d; |
| hashitem_T *hi; |
| |
| if ((d = argvars[0].vval.v_dict) != NULL) |
| { |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| { |
| ic = get_tv_number(&argvars[2]); |
| if (argvars[3].v_type != VAR_UNKNOWN) |
| EMSG(_(e_invarg)); |
| } |
| |
| todo = d->dv_hashtab.ht_used; |
| for (hi = d->dv_hashtab.ht_array; todo > 0; ++hi) |
| { |
| if (!HASHITEM_EMPTY(hi)) |
| { |
| --todo; |
| if (tv_equal(&HI2DI(hi)->di_tv, &argvars[1], ic)) |
| ++n; |
| } |
| } |
| } |
| } |
| else |
| EMSG2(_(e_listdictarg), "count()"); |
| rettv->vval.v_number = n; |
| } |
| |
| /* |
| * "cscope_connection([{num} , {dbpath} [, {prepend}]])" function |
| * |
| * Checks the existence of a cscope connection. |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_cscope_connection(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_CSCOPE |
| int num = 0; |
| char_u *dbpath = NULL; |
| char_u *prepend = NULL; |
| char_u buf[NUMBUFLEN]; |
| |
| if (argvars[0].v_type != VAR_UNKNOWN |
| && argvars[1].v_type != VAR_UNKNOWN) |
| { |
| num = (int)get_tv_number(&argvars[0]); |
| dbpath = get_tv_string(&argvars[1]); |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| prepend = get_tv_string_buf(&argvars[2], buf); |
| } |
| |
| rettv->vval.v_number = cs_connection(num, dbpath, prepend); |
| #else |
| rettv->vval.v_number = 0; |
| #endif |
| } |
| |
| /* |
| * "cursor(lnum, col)" function |
| * |
| * Moves the cursor to the specified line and column |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_cursor(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| long line, col; |
| |
| line = get_tv_lnum(argvars); |
| if (line > 0) |
| curwin->w_cursor.lnum = line; |
| col = get_tv_number(&argvars[1]); |
| if (col > 0) |
| curwin->w_cursor.col = col - 1; |
| #ifdef FEAT_VIRTUALEDIT |
| curwin->w_cursor.coladd = 0; |
| #endif |
| |
| /* Make sure the cursor is in a valid position. */ |
| check_cursor(); |
| #ifdef FEAT_MBYTE |
| /* Correct cursor for multi-byte character. */ |
| if (has_mbyte) |
| mb_adjust_cursor(); |
| #endif |
| |
| curwin->w_set_curswant = TRUE; |
| } |
| |
| /* |
| * "deepcopy()" function |
| */ |
| static void |
| f_deepcopy(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| item_copy(&argvars[0], rettv, TRUE); |
| } |
| |
| /* |
| * "delete()" function |
| */ |
| static void |
| f_delete(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| if (check_restricted() || check_secure()) |
| rettv->vval.v_number = -1; |
| else |
| rettv->vval.v_number = mch_remove(get_tv_string(&argvars[0])); |
| } |
| |
| /* |
| * "did_filetype()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_did_filetype(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_AUTOCMD |
| rettv->vval.v_number = did_filetype; |
| #else |
| rettv->vval.v_number = 0; |
| #endif |
| } |
| |
| /* |
| * "diff_filler()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_diff_filler(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_DIFF |
| rettv->vval.v_number = diff_check_fill(curwin, get_tv_lnum(argvars)); |
| #endif |
| } |
| |
| /* |
| * "diff_hlID()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_diff_hlID(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_DIFF |
| linenr_T lnum = get_tv_lnum(argvars); |
| static linenr_T prev_lnum = 0; |
| static int changedtick = 0; |
| static int fnum = 0; |
| static int change_start = 0; |
| static int change_end = 0; |
| static enum hlf_value hlID = 0; |
| int filler_lines; |
| int col; |
| |
| if (lnum != prev_lnum |
| || changedtick != curbuf->b_changedtick |
| || fnum != curbuf->b_fnum) |
| { |
| /* New line, buffer, change: need to get the values. */ |
| filler_lines = diff_check(curwin, lnum); |
| if (filler_lines < 0) |
| { |
| if (filler_lines == -1) |
| { |
| change_start = MAXCOL; |
| change_end = -1; |
| if (diff_find_change(curwin, lnum, &change_start, &change_end)) |
| hlID = HLF_ADD; /* added line */ |
| else |
| hlID = HLF_CHD; /* changed line */ |
| } |
| else |
| hlID = HLF_ADD; /* added line */ |
| } |
| else |
| hlID = (enum hlf_value)0; |
| prev_lnum = lnum; |
| changedtick = curbuf->b_changedtick; |
| fnum = curbuf->b_fnum; |
| } |
| |
| if (hlID == HLF_CHD || hlID == HLF_TXD) |
| { |
| col = get_tv_number(&argvars[1]) - 1; |
| if (col >= change_start && col <= change_end) |
| hlID = HLF_TXD; /* changed text */ |
| else |
| hlID = HLF_CHD; /* changed line */ |
| } |
| rettv->vval.v_number = hlID == (enum hlf_value)0 ? 0 : (int)hlID; |
| #endif |
| } |
| |
| /* |
| * "empty({expr})" function |
| */ |
| static void |
| f_empty(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| int n; |
| |
| switch (argvars[0].v_type) |
| { |
| case VAR_STRING: |
| case VAR_FUNC: |
| n = argvars[0].vval.v_string == NULL |
| || *argvars[0].vval.v_string == NUL; |
| break; |
| case VAR_NUMBER: |
| n = argvars[0].vval.v_number == 0; |
| break; |
| case VAR_LIST: |
| n = argvars[0].vval.v_list == NULL |
| || argvars[0].vval.v_list->lv_first == NULL; |
| break; |
| case VAR_DICT: |
| n = argvars[0].vval.v_dict == NULL |
| || argvars[0].vval.v_dict->dv_hashtab.ht_used == 0; |
| break; |
| default: |
| EMSG2(_(e_intern2), "f_empty()"); |
| n = 0; |
| } |
| |
| rettv->vval.v_number = n; |
| } |
| |
| /* |
| * "escape({string}, {chars})" function |
| */ |
| static void |
| f_escape(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u buf[NUMBUFLEN]; |
| |
| rettv->vval.v_string = |
| vim_strsave_escaped(get_tv_string(&argvars[0]), |
| get_tv_string_buf(&argvars[1], buf)); |
| rettv->v_type = VAR_STRING; |
| } |
| |
| /* |
| * "eval()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_eval(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *s; |
| |
| s = get_tv_string(&argvars[0]); |
| s = skipwhite(s); |
| |
| if (eval1(&s, rettv, TRUE) == FAIL) |
| rettv->vval.v_number = 0; |
| else if (*s != NUL) |
| EMSG(_(e_trailing)); |
| } |
| |
| /* |
| * "eventhandler()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_eventhandler(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = vgetc_busy; |
| } |
| |
| /* |
| * "executable()" function |
| */ |
| static void |
| f_executable(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = mch_can_exe(get_tv_string(&argvars[0])); |
| } |
| |
| /* |
| * "exists()" function |
| */ |
| static void |
| f_exists(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *p; |
| char_u *name; |
| int n = FALSE; |
| int len = 0; |
| |
| p = get_tv_string(&argvars[0]); |
| if (*p == '$') /* environment variable */ |
| { |
| /* first try "normal" environment variables (fast) */ |
| if (mch_getenv(p + 1) != NULL) |
| n = TRUE; |
| else |
| { |
| /* try expanding things like $VIM and ${HOME} */ |
| p = expand_env_save(p); |
| if (p != NULL && *p != '$') |
| n = TRUE; |
| vim_free(p); |
| } |
| } |
| else if (*p == '&' || *p == '+') /* option */ |
| n = (get_option_tv(&p, NULL, TRUE) == OK); |
| else if (*p == '*') /* internal or user defined function */ |
| { |
| n = function_exists(p + 1); |
| } |
| else if (*p == ':') |
| { |
| n = cmd_exists(p + 1); |
| } |
| else if (*p == '#') |
| { |
| #ifdef FEAT_AUTOCMD |
| name = p + 1; |
| p = vim_strchr(name, '#'); |
| if (p != NULL) |
| n = au_exists(name, p, p + 1); |
| else |
| n = au_exists(name, name + STRLEN(name), NULL); |
| #endif |
| } |
| else /* internal variable */ |
| { |
| char_u *expr_start; |
| char_u *expr_end; |
| char_u *temp_string = NULL; |
| char_u *s; |
| name = p; |
| |
| /* Find the end of the name. */ |
| s = find_name_end(name, &expr_start, &expr_end, FALSE); |
| if (expr_start != NULL) |
| { |
| temp_string = make_expanded_name(name, expr_start, expr_end, s); |
| if (temp_string != NULL) |
| { |
| len = STRLEN(temp_string); |
| name = temp_string; |
| } |
| } |
| if (len == 0) |
| len = get_id_len(&p); |
| if (len != 0) |
| n = (get_var_tv(name, len, NULL) == OK); |
| |
| vim_free(temp_string); |
| } |
| |
| rettv->vval.v_number = n; |
| } |
| |
| /* |
| * "expand()" function |
| */ |
| static void |
| f_expand(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *s; |
| int len; |
| char_u *errormsg; |
| int flags = WILD_SILENT|WILD_USE_NL|WILD_LIST_NOTFOUND; |
| expand_T xpc; |
| |
| rettv->v_type = VAR_STRING; |
| s = get_tv_string(&argvars[0]); |
| if (*s == '%' || *s == '#' || *s == '<') |
| { |
| ++emsg_off; |
| rettv->vval.v_string = eval_vars(s, &len, NULL, &errormsg, s); |
| --emsg_off; |
| } |
| else |
| { |
| /* When the optional second argument is non-zero, don't remove matches |
| * for 'suffixes' and 'wildignore' */ |
| if (argvars[1].v_type != VAR_UNKNOWN && get_tv_number(&argvars[1])) |
| flags |= WILD_KEEP_ALL; |
| ExpandInit(&xpc); |
| xpc.xp_context = EXPAND_FILES; |
| rettv->vval.v_string = ExpandOne(&xpc, s, NULL, flags, WILD_ALL); |
| ExpandCleanup(&xpc); |
| } |
| } |
| |
| /* |
| * "extend(list, list [, idx])" function |
| * "extend(dict, dict [, action])" function |
| */ |
| static void |
| f_extend(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = 0; |
| if (argvars[0].v_type == VAR_LIST && argvars[1].v_type == VAR_LIST) |
| { |
| list_T *l1, *l2; |
| listitem_T *item; |
| long before; |
| long n; |
| |
| l1 = argvars[0].vval.v_list; |
| l2 = argvars[1].vval.v_list; |
| if (l1 != NULL && !tv_check_lock(l1->lv_lock, (char_u *)"extend()") |
| && l2 != NULL) |
| { |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| { |
| n = before = get_tv_number(&argvars[2]); |
| item = list_find_ext(l1, &n); |
| if (n != 0) |
| { |
| EMSGN(_(e_listidx), before); |
| return; |
| } |
| } |
| else |
| item = NULL; |
| list_extend(l1, l2, item); |
| |
| ++l1->lv_refcount; |
| copy_tv(&argvars[0], rettv); |
| } |
| } |
| else if (argvars[0].v_type == VAR_DICT && argvars[1].v_type == VAR_DICT) |
| { |
| dict_T *d1, *d2; |
| dictitem_T *di1; |
| char_u *action; |
| int i; |
| hashitem_T *hi2; |
| int todo; |
| |
| d1 = argvars[0].vval.v_dict; |
| d2 = argvars[1].vval.v_dict; |
| if (d1 != NULL && !tv_check_lock(d1->dv_lock, (char_u *)"extend()") |
| && d2 != NULL) |
| { |
| /* Check the third argument. */ |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| { |
| static char *(av[]) = {"keep", "force", "error"}; |
| |
| action = get_tv_string(&argvars[2]); |
| for (i = 0; i < 3; ++i) |
| if (STRCMP(action, av[i]) == 0) |
| break; |
| if (i == 3) |
| { |
| EMSGN(_(e_invarg2), action); |
| return; |
| } |
| } |
| else |
| action = (char_u *)"force"; |
| |
| /* Go over all entries in the second dict and add them to the |
| * first dict. */ |
| todo = d2->dv_hashtab.ht_used; |
| for (hi2 = d2->dv_hashtab.ht_array; todo > 0; ++hi2) |
| { |
| if (!HASHITEM_EMPTY(hi2)) |
| { |
| --todo; |
| di1 = dict_find(d1, hi2->hi_key, -1); |
| if (di1 == NULL) |
| { |
| di1 = dictitem_copy(HI2DI(hi2)); |
| if (di1 != NULL && dict_add(d1, di1) == FAIL) |
| dictitem_free(di1); |
| } |
| else if (*action == 'e') |
| { |
| EMSG2(_("E737: Key already exists: %s"), hi2->hi_key); |
| break; |
| } |
| else if (*action == 'f') |
| { |
| clear_tv(&di1->di_tv); |
| copy_tv(&HI2DI(hi2)->di_tv, &di1->di_tv); |
| } |
| } |
| } |
| |
| ++d1->dv_refcount; |
| copy_tv(&argvars[0], rettv); |
| } |
| } |
| else |
| EMSG2(_(e_listdictarg), "extend()"); |
| } |
| |
| /* |
| * "filereadable()" function |
| */ |
| static void |
| f_filereadable(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| FILE *fd; |
| char_u *p; |
| int n; |
| |
| p = get_tv_string(&argvars[0]); |
| if (*p && !mch_isdir(p) && (fd = mch_fopen((char *)p, "r")) != NULL) |
| { |
| n = TRUE; |
| fclose(fd); |
| } |
| else |
| n = FALSE; |
| |
| rettv->vval.v_number = n; |
| } |
| |
| /* |
| * return 0 for not writable, 1 for writable file, 2 for a dir which we have |
| * rights to write into. |
| */ |
| static void |
| f_filewritable(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *p; |
| int retval = 0; |
| #if defined(UNIX) || defined(VMS) |
| int perm = 0; |
| #endif |
| |
| p = get_tv_string(&argvars[0]); |
| #if defined(UNIX) || defined(VMS) |
| perm = mch_getperm(p); |
| #endif |
| #ifndef MACOS_CLASSIC /* TODO: get either mch_writable or mch_access */ |
| if ( |
| # ifdef WIN3264 |
| mch_writable(p) && |
| # else |
| # if defined(UNIX) || defined(VMS) |
| (perm & 0222) && |
| # endif |
| # endif |
| mch_access((char *)p, W_OK) == 0 |
| ) |
| #endif |
| { |
| ++retval; |
| if (mch_isdir(p)) |
| ++retval; |
| } |
| rettv->vval.v_number = retval; |
| } |
| |
| static void findfilendir __ARGS((typval_T *argvars, typval_T *rettv, int dir)); |
| |
| static void |
| findfilendir(argvars, rettv, dir) |
| typval_T *argvars; |
| typval_T *rettv; |
| int dir; |
| { |
| #ifdef FEAT_SEARCHPATH |
| char_u *fname; |
| char_u *fresult = NULL; |
| char_u *path = *curbuf->b_p_path == NUL ? p_path : curbuf->b_p_path; |
| char_u *p; |
| char_u pathbuf[NUMBUFLEN]; |
| int count = 1; |
| int first = TRUE; |
| |
| fname = get_tv_string(&argvars[0]); |
| |
| if (argvars[1].v_type != VAR_UNKNOWN) |
| { |
| p = get_tv_string_buf(&argvars[1], pathbuf); |
| if (*p != NUL) |
| path = p; |
| |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| count = get_tv_number(&argvars[2]); |
| } |
| |
| do |
| { |
| vim_free(fresult); |
| fresult = find_file_in_path_option(first ? fname : NULL, |
| first ? (int)STRLEN(fname) : 0, |
| 0, first, path, dir, NULL); |
| first = FALSE; |
| } while (--count > 0 && fresult != NULL); |
| |
| rettv->vval.v_string = fresult; |
| #else |
| rettv->vval.v_string = NULL; |
| #endif |
| rettv->v_type = VAR_STRING; |
| } |
| |
| static void filter_map __ARGS((typval_T *argvars, typval_T *rettv, int map)); |
| static int filter_map_one __ARGS((typval_T *tv, char_u *expr, int map, int *remp)); |
| |
| /* |
| * Implementation of map() and filter(). |
| */ |
| static void |
| filter_map(argvars, rettv, map) |
| typval_T *argvars; |
| typval_T *rettv; |
| int map; |
| { |
| char_u buf[NUMBUFLEN]; |
| char_u *expr; |
| listitem_T *li, *nli; |
| list_T *l = NULL; |
| dictitem_T *di; |
| hashtab_T *ht; |
| hashitem_T *hi; |
| dict_T *d = NULL; |
| typval_T save_val; |
| typval_T save_key; |
| int rem; |
| int todo; |
| char_u *msg = map ? (char_u *)"map()" : (char_u *)"filter()"; |
| |
| |
| rettv->vval.v_number = 0; |
| if (argvars[0].v_type == VAR_LIST) |
| { |
| if ((l = argvars[0].vval.v_list) == NULL |
| || (map && tv_check_lock(l->lv_lock, msg))) |
| return; |
| } |
| else if (argvars[0].v_type == VAR_DICT) |
| { |
| if ((d = argvars[0].vval.v_dict) == NULL |
| || (map && tv_check_lock(d->dv_lock, msg))) |
| return; |
| } |
| else |
| { |
| EMSG2(_(e_listdictarg), msg); |
| return; |
| } |
| |
| expr = skipwhite(get_tv_string_buf(&argvars[1], buf)); |
| save_val = vimvars[VV_VAL].vv_tv; |
| |
| if (argvars[0].v_type == VAR_DICT) |
| { |
| save_key = vimvars[VV_KEY].vv_tv; |
| vimvars[VV_KEY].vv_type = VAR_STRING; |
| |
| ht = &d->dv_hashtab; |
| hash_lock(ht); |
| todo = ht->ht_used; |
| for (hi = ht->ht_array; todo > 0; ++hi) |
| { |
| if (!HASHITEM_EMPTY(hi)) |
| { |
| --todo; |
| di = HI2DI(hi); |
| if (tv_check_lock(di->di_tv.v_lock, msg)) |
| break; |
| vimvars[VV_KEY].vv_str = vim_strsave(di->di_key); |
| if (filter_map_one(&di->di_tv, expr, map, &rem) == FAIL) |
| break; |
| if (!map && rem) |
| dictitem_remove(d, di); |
| clear_tv(&vimvars[VV_KEY].vv_tv); |
| } |
| } |
| hash_unlock(ht); |
| |
| clear_tv(&vimvars[VV_KEY].vv_tv); |
| vimvars[VV_KEY].vv_tv = save_key; |
| } |
| else |
| { |
| for (li = l->lv_first; li != NULL; li = nli) |
| { |
| if (tv_check_lock(li->li_tv.v_lock, msg)) |
| break; |
| nli = li->li_next; |
| if (filter_map_one(&li->li_tv, expr, map, &rem) == FAIL) |
| break; |
| if (!map && rem) |
| listitem_remove(l, li); |
| } |
| } |
| |
| clear_tv(&vimvars[VV_VAL].vv_tv); |
| vimvars[VV_VAL].vv_tv = save_val; |
| |
| copy_tv(&argvars[0], rettv); |
| } |
| |
| static int |
| filter_map_one(tv, expr, map, remp) |
| typval_T *tv; |
| char_u *expr; |
| int map; |
| int *remp; |
| { |
| typval_T rettv; |
| char_u *s; |
| |
| copy_tv(tv, &vimvars[VV_VAL].vv_tv); |
| s = expr; |
| if (eval1(&s, &rettv, TRUE) == FAIL) |
| return FAIL; |
| if (*s != NUL) /* check for trailing chars after expr */ |
| { |
| EMSG2(_(e_invexpr2), s); |
| return FAIL; |
| } |
| if (map) |
| { |
| /* map(): replace the list item value */ |
| clear_tv(tv); |
| *tv = rettv; |
| } |
| else |
| { |
| /* filter(): when expr is zero remove the item */ |
| *remp = (get_tv_number(&rettv) == 0); |
| clear_tv(&rettv); |
| } |
| clear_tv(&vimvars[VV_VAL].vv_tv); |
| return OK; |
| } |
| |
| /* |
| * "filter()" function |
| */ |
| static void |
| f_filter(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| filter_map(argvars, rettv, FALSE); |
| } |
| |
| /* |
| * "finddir({fname}[, {path}[, {count}]])" function |
| */ |
| static void |
| f_finddir(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| findfilendir(argvars, rettv, TRUE); |
| } |
| |
| /* |
| * "findfile({fname}[, {path}[, {count}]])" function |
| */ |
| static void |
| f_findfile(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| findfilendir(argvars, rettv, FALSE); |
| } |
| |
| /* |
| * "fnamemodify({fname}, {mods})" function |
| */ |
| static void |
| f_fnamemodify(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *fname; |
| char_u *mods; |
| int usedlen = 0; |
| int len; |
| char_u *fbuf = NULL; |
| char_u buf[NUMBUFLEN]; |
| |
| fname = get_tv_string(&argvars[0]); |
| mods = get_tv_string_buf(&argvars[1], buf); |
| len = (int)STRLEN(fname); |
| |
| (void)modify_fname(mods, &usedlen, &fname, &fbuf, &len); |
| |
| rettv->v_type = VAR_STRING; |
| if (fname == NULL) |
| rettv->vval.v_string = NULL; |
| else |
| rettv->vval.v_string = vim_strnsave(fname, len); |
| vim_free(fbuf); |
| } |
| |
| static void foldclosed_both __ARGS((typval_T *argvars, typval_T *rettv, int end)); |
| |
| /* |
| * "foldclosed()" function |
| */ |
| static void |
| foldclosed_both(argvars, rettv, end) |
| typval_T *argvars; |
| typval_T *rettv; |
| int end; |
| { |
| #ifdef FEAT_FOLDING |
| linenr_T lnum; |
| linenr_T first, last; |
| |
| lnum = get_tv_lnum(argvars); |
| if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count) |
| { |
| if (hasFoldingWin(curwin, lnum, &first, &last, FALSE, NULL)) |
| { |
| if (end) |
| rettv->vval.v_number = (varnumber_T)last; |
| else |
| rettv->vval.v_number = (varnumber_T)first; |
| return; |
| } |
| } |
| #endif |
| rettv->vval.v_number = -1; |
| } |
| |
| /* |
| * "foldclosed()" function |
| */ |
| static void |
| f_foldclosed(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| foldclosed_both(argvars, rettv, FALSE); |
| } |
| |
| /* |
| * "foldclosedend()" function |
| */ |
| static void |
| f_foldclosedend(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| foldclosed_both(argvars, rettv, TRUE); |
| } |
| |
| /* |
| * "foldlevel()" function |
| */ |
| static void |
| f_foldlevel(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_FOLDING |
| linenr_T lnum; |
| |
| lnum = get_tv_lnum(argvars); |
| if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count) |
| rettv->vval.v_number = foldLevel(lnum); |
| else |
| #endif |
| rettv->vval.v_number = 0; |
| } |
| |
| /* |
| * "foldtext()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_foldtext(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_FOLDING |
| linenr_T lnum; |
| char_u *s; |
| char_u *r; |
| int len; |
| char *txt; |
| #endif |
| |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = NULL; |
| #ifdef FEAT_FOLDING |
| if ((linenr_T)vimvars[VV_FOLDSTART].vv_nr > 0 |
| && (linenr_T)vimvars[VV_FOLDEND].vv_nr |
| <= curbuf->b_ml.ml_line_count |
| && vimvars[VV_FOLDDASHES].vv_str != NULL) |
| { |
| /* Find first non-empty line in the fold. */ |
| lnum = (linenr_T)vimvars[VV_FOLDSTART].vv_nr; |
| while (lnum < (linenr_T)vimvars[VV_FOLDEND].vv_nr) |
| { |
| if (!linewhite(lnum)) |
| break; |
| ++lnum; |
| } |
| |
| /* Find interesting text in this line. */ |
| s = skipwhite(ml_get(lnum)); |
| /* skip C comment-start */ |
| if (s[0] == '/' && (s[1] == '*' || s[1] == '/')) |
| { |
| s = skipwhite(s + 2); |
| if (*skipwhite(s) == NUL |
| && lnum + 1 < (linenr_T)vimvars[VV_FOLDEND].vv_nr) |
| { |
| s = skipwhite(ml_get(lnum + 1)); |
| if (*s == '*') |
| s = skipwhite(s + 1); |
| } |
| } |
| txt = _("+-%s%3ld lines: "); |
| r = alloc((unsigned)(STRLEN(txt) |
| + STRLEN(vimvars[VV_FOLDDASHES].vv_str) /* for %s */ |
| + 20 /* for %3ld */ |
| + STRLEN(s))); /* concatenated */ |
| if (r != NULL) |
| { |
| sprintf((char *)r, txt, vimvars[VV_FOLDDASHES].vv_str, |
| (long)((linenr_T)vimvars[VV_FOLDEND].vv_nr |
| - (linenr_T)vimvars[VV_FOLDSTART].vv_nr + 1)); |
| len = (int)STRLEN(r); |
| STRCAT(r, s); |
| /* remove 'foldmarker' and 'commentstring' */ |
| foldtext_cleanup(r + len); |
| rettv->vval.v_string = r; |
| } |
| } |
| #endif |
| } |
| |
| /* |
| * "foldtextresult(lnum)" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_foldtextresult(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_FOLDING |
| linenr_T lnum; |
| char_u *text; |
| char_u buf[51]; |
| foldinfo_T foldinfo; |
| int fold_count; |
| #endif |
| |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = NULL; |
| #ifdef FEAT_FOLDING |
| lnum = get_tv_lnum(argvars); |
| fold_count = foldedCount(curwin, lnum, &foldinfo); |
| if (fold_count > 0) |
| { |
| text = get_foldtext(curwin, lnum, lnum + fold_count - 1, |
| &foldinfo, buf); |
| if (text == buf) |
| text = vim_strsave(text); |
| rettv->vval.v_string = text; |
| } |
| #endif |
| } |
| |
| /* |
| * "foreground()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_foreground(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = 0; |
| #ifdef FEAT_GUI |
| if (gui.in_use) |
| gui_mch_set_foreground(); |
| #else |
| # ifdef WIN32 |
| win32_set_foreground(); |
| # endif |
| #endif |
| } |
| |
| /* |
| * "function()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_function(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *s; |
| |
| rettv->vval.v_number = 0; |
| s = get_tv_string(&argvars[0]); |
| if (s == NULL || *s == NUL || VIM_ISDIGIT(*s)) |
| EMSG2(_(e_invarg2), s); |
| else if (!function_exists(s)) |
| EMSG2(_("E700: Unknown function: %s"), s); |
| else |
| { |
| rettv->vval.v_string = vim_strsave(s); |
| rettv->v_type = VAR_FUNC; |
| } |
| } |
| |
| /* |
| * "get()" function |
| */ |
| static void |
| f_get(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| listitem_T *li; |
| list_T *l; |
| dictitem_T *di; |
| dict_T *d; |
| typval_T *tv = NULL; |
| |
| if (argvars[0].v_type == VAR_LIST) |
| { |
| if ((l = argvars[0].vval.v_list) != NULL) |
| { |
| li = list_find(l, get_tv_number(&argvars[1])); |
| if (li != NULL) |
| tv = &li->li_tv; |
| } |
| } |
| else if (argvars[0].v_type == VAR_DICT) |
| { |
| if ((d = argvars[0].vval.v_dict) != NULL) |
| { |
| di = dict_find(d, get_tv_string(&argvars[1]), -1); |
| if (di != NULL) |
| tv = &di->di_tv; |
| } |
| } |
| else |
| EMSG2(_(e_listdictarg), "get()"); |
| |
| if (tv == NULL) |
| { |
| if (argvars[2].v_type == VAR_UNKNOWN) |
| rettv->vval.v_number = 0; |
| else |
| copy_tv(&argvars[2], rettv); |
| } |
| else |
| copy_tv(tv, rettv); |
| } |
| |
| /* |
| * "getbufvar()" function |
| */ |
| static void |
| f_getbufvar(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| buf_T *buf; |
| buf_T *save_curbuf; |
| char_u *varname; |
| dictitem_T *v; |
| |
| ++emsg_off; |
| buf = get_buf_tv(&argvars[0]); |
| varname = get_tv_string(&argvars[1]); |
| |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = NULL; |
| |
| if (buf != NULL && varname != NULL) |
| { |
| if (*varname == '&') /* buffer-local-option */ |
| { |
| /* set curbuf to be our buf, temporarily */ |
| save_curbuf = curbuf; |
| curbuf = buf; |
| |
| get_option_tv(&varname, rettv, TRUE); |
| |
| /* restore previous notion of curbuf */ |
| curbuf = save_curbuf; |
| } |
| else |
| { |
| /* look up the variable */ |
| v = find_var_in_ht(&buf->b_vars.dv_hashtab, varname); |
| if (v != NULL) |
| copy_tv(&v->di_tv, rettv); |
| } |
| } |
| |
| --emsg_off; |
| } |
| |
| /* |
| * "getchar()" function |
| */ |
| static void |
| f_getchar(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| varnumber_T n; |
| |
| ++no_mapping; |
| ++allow_keys; |
| if (argvars[0].v_type == VAR_UNKNOWN) |
| /* getchar(): blocking wait. */ |
| n = safe_vgetc(); |
| else if (get_tv_number(&argvars[0]) == 1) |
| /* getchar(1): only check if char avail */ |
| n = vpeekc(); |
| else if (vpeekc() == NUL) |
| /* getchar(0) and no char avail: return zero */ |
| n = 0; |
| else |
| /* getchar(0) and char avail: return char */ |
| n = safe_vgetc(); |
| --no_mapping; |
| --allow_keys; |
| |
| rettv->vval.v_number = n; |
| if (IS_SPECIAL(n) || mod_mask != 0) |
| { |
| char_u temp[10]; /* modifier: 3, mbyte-char: 6, NUL: 1 */ |
| int i = 0; |
| |
| /* Turn a special key into three bytes, plus modifier. */ |
| if (mod_mask != 0) |
| { |
| temp[i++] = K_SPECIAL; |
| temp[i++] = KS_MODIFIER; |
| temp[i++] = mod_mask; |
| } |
| if (IS_SPECIAL(n)) |
| { |
| temp[i++] = K_SPECIAL; |
| temp[i++] = K_SECOND(n); |
| temp[i++] = K_THIRD(n); |
| } |
| #ifdef FEAT_MBYTE |
| else if (has_mbyte) |
| i += (*mb_char2bytes)(n, temp + i); |
| #endif |
| else |
| temp[i++] = n; |
| temp[i++] = NUL; |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = vim_strsave(temp); |
| } |
| } |
| |
| /* |
| * "getcharmod()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_getcharmod(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = mod_mask; |
| } |
| |
| /* |
| * "getcmdline()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_getcmdline(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = get_cmdline_str(); |
| } |
| |
| /* |
| * "getcmdpos()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_getcmdpos(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = get_cmdline_pos() + 1; |
| } |
| |
| /* |
| * "getcwd()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_getcwd(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u cwd[MAXPATHL]; |
| |
| rettv->v_type = VAR_STRING; |
| if (mch_dirname(cwd, MAXPATHL) == FAIL) |
| rettv->vval.v_string = NULL; |
| else |
| { |
| rettv->vval.v_string = vim_strsave(cwd); |
| #ifdef BACKSLASH_IN_FILENAME |
| slash_adjust(rettv->vval.v_string); |
| #endif |
| } |
| } |
| |
| /* |
| * "getfontname()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_getfontname(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = NULL; |
| #ifdef FEAT_GUI |
| if (gui.in_use) |
| { |
| GuiFont font; |
| char_u *name = NULL; |
| |
| if (argvars[0].v_type == VAR_UNKNOWN) |
| { |
| /* Get the "Normal" font. Either the name saved by |
| * hl_set_font_name() or from the font ID. */ |
| font = gui.norm_font; |
| name = hl_get_font_name(); |
| } |
| else |
| { |
| name = get_tv_string(&argvars[0]); |
| if (STRCMP(name, "*") == 0) /* don't use font dialog */ |
| return; |
| font = gui_mch_get_font(name, FALSE); |
| if (font == NOFONT) |
| return; /* Invalid font name, return empty string. */ |
| } |
| rettv->vval.v_string = gui_mch_get_fontname(font, name); |
| if (argvars[0].v_type != VAR_UNKNOWN) |
| gui_mch_free_font(font); |
| } |
| #endif |
| } |
| |
| /* |
| * "getfperm({fname})" function |
| */ |
| static void |
| f_getfperm(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *fname; |
| struct stat st; |
| char_u *perm = NULL; |
| char_u flags[] = "rwx"; |
| int i; |
| |
| fname = get_tv_string(&argvars[0]); |
| |
| rettv->v_type = VAR_STRING; |
| if (mch_stat((char *)fname, &st) >= 0) |
| { |
| perm = vim_strsave((char_u *)"---------"); |
| if (perm != NULL) |
| { |
| for (i = 0; i < 9; i++) |
| { |
| if (st.st_mode & (1 << (8 - i))) |
| perm[i] = flags[i % 3]; |
| } |
| } |
| } |
| rettv->vval.v_string = perm; |
| } |
| |
| /* |
| * "getfsize({fname})" function |
| */ |
| static void |
| f_getfsize(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *fname; |
| struct stat st; |
| |
| fname = get_tv_string(&argvars[0]); |
| |
| rettv->v_type = VAR_NUMBER; |
| |
| if (mch_stat((char *)fname, &st) >= 0) |
| { |
| if (mch_isdir(fname)) |
| rettv->vval.v_number = 0; |
| else |
| rettv->vval.v_number = (varnumber_T)st.st_size; |
| } |
| else |
| rettv->vval.v_number = -1; |
| } |
| |
| /* |
| * "getftime({fname})" function |
| */ |
| static void |
| f_getftime(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *fname; |
| struct stat st; |
| |
| fname = get_tv_string(&argvars[0]); |
| |
| if (mch_stat((char *)fname, &st) >= 0) |
| rettv->vval.v_number = (varnumber_T)st.st_mtime; |
| else |
| rettv->vval.v_number = -1; |
| } |
| |
| /* |
| * "getftype({fname})" function |
| */ |
| static void |
| f_getftype(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *fname; |
| struct stat st; |
| char_u *type = NULL; |
| char *t; |
| |
| fname = get_tv_string(&argvars[0]); |
| |
| rettv->v_type = VAR_STRING; |
| if (mch_lstat((char *)fname, &st) >= 0) |
| { |
| #ifdef S_ISREG |
| if (S_ISREG(st.st_mode)) |
| t = "file"; |
| else if (S_ISDIR(st.st_mode)) |
| t = "dir"; |
| # ifdef S_ISLNK |
| else if (S_ISLNK(st.st_mode)) |
| t = "link"; |
| # endif |
| # ifdef S_ISBLK |
| else if (S_ISBLK(st.st_mode)) |
| t = "bdev"; |
| # endif |
| # ifdef S_ISCHR |
| else if (S_ISCHR(st.st_mode)) |
| t = "cdev"; |
| # endif |
| # ifdef S_ISFIFO |
| else if (S_ISFIFO(st.st_mode)) |
| t = "fifo"; |
| # endif |
| # ifdef S_ISSOCK |
| else if (S_ISSOCK(st.st_mode)) |
| t = "fifo"; |
| # endif |
| else |
| t = "other"; |
| #else |
| # ifdef S_IFMT |
| switch (st.st_mode & S_IFMT) |
| { |
| case S_IFREG: t = "file"; break; |
| case S_IFDIR: t = "dir"; break; |
| # ifdef S_IFLNK |
| case S_IFLNK: t = "link"; break; |
| # endif |
| # ifdef S_IFBLK |
| case S_IFBLK: t = "bdev"; break; |
| # endif |
| # ifdef S_IFCHR |
| case S_IFCHR: t = "cdev"; break; |
| # endif |
| # ifdef S_IFIFO |
| case S_IFIFO: t = "fifo"; break; |
| # endif |
| # ifdef S_IFSOCK |
| case S_IFSOCK: t = "socket"; break; |
| # endif |
| default: t = "other"; |
| } |
| # else |
| if (mch_isdir(fname)) |
| t = "dir"; |
| else |
| t = "file"; |
| # endif |
| #endif |
| type = vim_strsave((char_u *)t); |
| } |
| rettv->vval.v_string = type; |
| } |
| |
| /* |
| * "getline(lnum)" function |
| */ |
| static void |
| f_getline(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| linenr_T lnum; |
| linenr_T end; |
| char_u *p; |
| list_T *l; |
| listitem_T *li; |
| |
| lnum = get_tv_lnum(argvars); |
| |
| if (argvars[1].v_type == VAR_UNKNOWN) |
| { |
| if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count) |
| p = ml_get(lnum); |
| else |
| p = (char_u *)""; |
| |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = vim_strsave(p); |
| } |
| else |
| { |
| end = get_tv_lnum(&argvars[1]); |
| if (end < lnum) |
| { |
| EMSG(_(e_invrange)); |
| rettv->vval.v_number = 0; |
| } |
| else |
| { |
| l = list_alloc(); |
| if (l != NULL) |
| { |
| if (lnum < 1) |
| lnum = 1; |
| if (end > curbuf->b_ml.ml_line_count) |
| end = curbuf->b_ml.ml_line_count; |
| while (lnum <= end) |
| { |
| li = listitem_alloc(); |
| if (li == NULL) |
| break; |
| list_append(l, li); |
| li->li_tv.v_type = VAR_STRING; |
| li->li_tv.v_lock = 0; |
| li->li_tv.vval.v_string = vim_strsave(ml_get(lnum++)); |
| } |
| rettv->vval.v_list = l; |
| rettv->v_type = VAR_LIST; |
| ++l->lv_refcount; |
| } |
| } |
| } |
| } |
| |
| /* |
| * "getreg()" function |
| */ |
| static void |
| f_getreg(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *strregname; |
| int regname; |
| |
| if (argvars[0].v_type != VAR_UNKNOWN) |
| strregname = get_tv_string(&argvars[0]); |
| else |
| strregname = vimvars[VV_REG].vv_str; |
| regname = (strregname == NULL ? '"' : *strregname); |
| if (regname == 0) |
| regname = '"'; |
| |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = get_reg_contents(regname, TRUE); |
| } |
| |
| /* |
| * "getregtype()" function |
| */ |
| static void |
| f_getregtype(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *strregname; |
| int regname; |
| char_u buf[NUMBUFLEN + 2]; |
| long reglen = 0; |
| |
| if (argvars[0].v_type != VAR_UNKNOWN) |
| strregname = get_tv_string(&argvars[0]); |
| else |
| /* Default to v:register */ |
| strregname = vimvars[VV_REG].vv_str; |
| |
| regname = (strregname == NULL ? '"' : *strregname); |
| if (regname == 0) |
| regname = '"'; |
| |
| buf[0] = NUL; |
| buf[1] = NUL; |
| switch (get_reg_type(regname, ®len)) |
| { |
| case MLINE: buf[0] = 'V'; break; |
| case MCHAR: buf[0] = 'v'; break; |
| #ifdef FEAT_VISUAL |
| case MBLOCK: |
| buf[0] = Ctrl_V; |
| sprintf((char *)buf + 1, "%ld", reglen + 1); |
| break; |
| #endif |
| } |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = vim_strsave(buf); |
| } |
| |
| /* |
| * "getwinposx()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_getwinposx(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = -1; |
| #ifdef FEAT_GUI |
| if (gui.in_use) |
| { |
| int x, y; |
| |
| if (gui_mch_get_winpos(&x, &y) == OK) |
| rettv->vval.v_number = x; |
| } |
| #endif |
| } |
| |
| /* |
| * "getwinposy()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_getwinposy(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = -1; |
| #ifdef FEAT_GUI |
| if (gui.in_use) |
| { |
| int x, y; |
| |
| if (gui_mch_get_winpos(&x, &y) == OK) |
| rettv->vval.v_number = y; |
| } |
| #endif |
| } |
| |
| /* |
| * "getwinvar()" function |
| */ |
| static void |
| f_getwinvar(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| win_T *win, *oldcurwin; |
| char_u *varname; |
| dictitem_T *v; |
| |
| ++emsg_off; |
| win = find_win_by_nr(&argvars[0]); |
| varname = get_tv_string(&argvars[1]); |
| |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = NULL; |
| |
| if (win != NULL && varname != NULL) |
| { |
| if (*varname == '&') /* window-local-option */ |
| { |
| /* set curwin to be our win, temporarily */ |
| oldcurwin = curwin; |
| curwin = win; |
| |
| get_option_tv(&varname, rettv, 1); |
| |
| /* restore previous notion of curwin */ |
| curwin = oldcurwin; |
| } |
| else |
| { |
| /* look up the variable */ |
| v = find_var_in_ht(&win->w_vars.dv_hashtab, varname); |
| if (v != NULL) |
| copy_tv(&v->di_tv, rettv); |
| } |
| } |
| |
| --emsg_off; |
| } |
| |
| /* |
| * "glob()" function |
| */ |
| static void |
| f_glob(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| expand_T xpc; |
| |
| ExpandInit(&xpc); |
| xpc.xp_context = EXPAND_FILES; |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = ExpandOne(&xpc, get_tv_string(&argvars[0]), |
| NULL, WILD_USE_NL|WILD_SILENT, WILD_ALL); |
| ExpandCleanup(&xpc); |
| } |
| |
| /* |
| * "globpath()" function |
| */ |
| static void |
| f_globpath(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u buf1[NUMBUFLEN]; |
| |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = globpath(get_tv_string(&argvars[0]), |
| get_tv_string_buf(&argvars[1], buf1)); |
| } |
| |
| /* |
| * "has()" function |
| */ |
| static void |
| f_has(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| int i; |
| char_u *name; |
| int n = FALSE; |
| static char *(has_list[]) = |
| { |
| #ifdef AMIGA |
| "amiga", |
| # ifdef FEAT_ARP |
| "arp", |
| # endif |
| #endif |
| #ifdef __BEOS__ |
| "beos", |
| #endif |
| #ifdef MSDOS |
| # ifdef DJGPP |
| "dos32", |
| # else |
| "dos16", |
| # endif |
| #endif |
| #ifdef MACOS /* TODO: Should we add MACOS_CLASSIC, MACOS_X? (Dany) */ |
| "mac", |
| #endif |
| #if defined(MACOS_X_UNIX) |
| "macunix", |
| #endif |
| #ifdef OS2 |
| "os2", |
| #endif |
| #ifdef __QNX__ |
| "qnx", |
| #endif |
| #ifdef RISCOS |
| "riscos", |
| #endif |
| #ifdef UNIX |
| "unix", |
| #endif |
| #ifdef VMS |
| "vms", |
| #endif |
| #ifdef WIN16 |
| "win16", |
| #endif |
| #ifdef WIN32 |
| "win32", |
| #endif |
| #if defined(UNIX) && (defined(__CYGWIN32__) || defined(__CYGWIN__)) |
| "win32unix", |
| #endif |
| #ifdef WIN64 |
| "win64", |
| #endif |
| #ifdef EBCDIC |
| "ebcdic", |
| #endif |
| #ifndef CASE_INSENSITIVE_FILENAME |
| "fname_case", |
| #endif |
| #ifdef FEAT_ARABIC |
| "arabic", |
| #endif |
| #ifdef FEAT_AUTOCMD |
| "autocmd", |
| #endif |
| #ifdef FEAT_BEVAL |
| "balloon_eval", |
| #endif |
| #if defined(SOME_BUILTIN_TCAPS) || defined(ALL_BUILTIN_TCAPS) |
| "builtin_terms", |
| # ifdef ALL_BUILTIN_TCAPS |
| "all_builtin_terms", |
| # endif |
| #endif |
| #ifdef FEAT_BYTEOFF |
| "byte_offset", |
| #endif |
| #ifdef FEAT_CINDENT |
| "cindent", |
| #endif |
| #ifdef FEAT_CLIENTSERVER |
| "clientserver", |
| #endif |
| #ifdef FEAT_CLIPBOARD |
| "clipboard", |
| #endif |
| #ifdef FEAT_CMDL_COMPL |
| "cmdline_compl", |
| #endif |
| #ifdef FEAT_CMDHIST |
| "cmdline_hist", |
| #endif |
| #ifdef FEAT_COMMENTS |
| "comments", |
| #endif |
| #ifdef FEAT_CRYPT |
| "cryptv", |
| #endif |
| #ifdef FEAT_CSCOPE |
| "cscope", |
| #endif |
| #ifdef DEBUG |
| "debug", |
| #endif |
| #ifdef FEAT_CON_DIALOG |
| "dialog_con", |
| #endif |
| #ifdef FEAT_GUI_DIALOG |
| "dialog_gui", |
| #endif |
| #ifdef FEAT_DIFF |
| "diff", |
| #endif |
| #ifdef FEAT_DIGRAPHS |
| "digraphs", |
| #endif |
| #ifdef FEAT_DND |
| "dnd", |
| #endif |
| #ifdef FEAT_EMACS_TAGS |
| "emacs_tags", |
| #endif |
| "eval", /* always present, of course! */ |
| #ifdef FEAT_EX_EXTRA |
| "ex_extra", |
| #endif |
| #ifdef FEAT_SEARCH_EXTRA |
| "extra_search", |
| #endif |
| #ifdef FEAT_FKMAP |
| "farsi", |
| #endif |
| #ifdef FEAT_SEARCHPATH |
| "file_in_path", |
| #endif |
| #ifdef FEAT_FIND_ID |
| "find_in_path", |
| #endif |
| #ifdef FEAT_FOLDING |
| "folding", |
| #endif |
| #ifdef FEAT_FOOTER |
| "footer", |
| #endif |
| #if !defined(USE_SYSTEM) && defined(UNIX) |
| "fork", |
| #endif |
| #ifdef FEAT_GETTEXT |
| "gettext", |
| #endif |
| #ifdef FEAT_GUI |
| "gui", |
| #endif |
| #ifdef FEAT_GUI_ATHENA |
| # ifdef FEAT_GUI_NEXTAW |
| "gui_neXtaw", |
| # else |
| "gui_athena", |
| # endif |
| #endif |
| #ifdef FEAT_GUI_KDE |
| "gui_kde", |
| #endif |
| #ifdef FEAT_GUI_GTK |
| "gui_gtk", |
| # ifdef HAVE_GTK2 |
| "gui_gtk2", |
| # endif |
| #endif |
| #ifdef FEAT_GUI_MAC |
| "gui_mac", |
| #endif |
| #ifdef FEAT_GUI_MOTIF |
| "gui_motif", |
| #endif |
| #ifdef FEAT_GUI_PHOTON |
| "gui_photon", |
| #endif |
| #ifdef FEAT_GUI_W16 |
| "gui_win16", |
| #endif |
| #ifdef FEAT_GUI_W32 |
| "gui_win32", |
| #endif |
| #ifdef FEAT_HANGULIN |
| "hangul_input", |
| #endif |
| #if defined(HAVE_ICONV_H) && defined(USE_ICONV) |
| "iconv", |
| #endif |
| #ifdef FEAT_INS_EXPAND |
| "insert_expand", |
| #endif |
| #ifdef FEAT_JUMPLIST |
| "jumplist", |
| #endif |
| #ifdef FEAT_KEYMAP |
| "keymap", |
| #endif |
| #ifdef FEAT_LANGMAP |
| "langmap", |
| #endif |
| #ifdef FEAT_LIBCALL |
| "libcall", |
| #endif |
| #ifdef FEAT_LINEBREAK |
| "linebreak", |
| #endif |
| #ifdef FEAT_LISP |
| "lispindent", |
| #endif |
| #ifdef FEAT_LISTCMDS |
| "listcmds", |
| #endif |
| #ifdef FEAT_LOCALMAP |
| "localmap", |
| #endif |
| #ifdef FEAT_MENU |
| "menu", |
| #endif |
| #ifdef FEAT_SESSION |
| "mksession", |
| #endif |
| #ifdef FEAT_MODIFY_FNAME |
| "modify_fname", |
| #endif |
| #ifdef FEAT_MOUSE |
| "mouse", |
| #endif |
| #ifdef FEAT_MOUSESHAPE |
| "mouseshape", |
| #endif |
| #if defined(UNIX) || defined(VMS) |
| # ifdef FEAT_MOUSE_DEC |
| "mouse_dec", |
| # endif |
| # ifdef FEAT_MOUSE_GPM |
| "mouse_gpm", |
| # endif |
| # ifdef FEAT_MOUSE_JSB |
| "mouse_jsbterm", |
| # endif |
| # ifdef FEAT_MOUSE_NET |
| "mouse_netterm", |
| # endif |
| # ifdef FEAT_MOUSE_PTERM |
| "mouse_pterm", |
| # endif |
| # ifdef FEAT_MOUSE_XTERM |
| "mouse_xterm", |
| # endif |
| #endif |
| #ifdef FEAT_MBYTE |
| "multi_byte", |
| #endif |
| #ifdef FEAT_MBYTE_IME |
| "multi_byte_ime", |
| #endif |
| #ifdef FEAT_MULTI_LANG |
| "multi_lang", |
| #endif |
| #ifdef FEAT_MZSCHEME |
| #ifndef DYNAMIC_MZSCHEME |
| "mzscheme", |
| #endif |
| #endif |
| #ifdef FEAT_OLE |
| "ole", |
| #endif |
| #ifdef FEAT_OSFILETYPE |
| "osfiletype", |
| #endif |
| #ifdef FEAT_PATH_EXTRA |
| "path_extra", |
| #endif |
| #ifdef FEAT_PERL |
| #ifndef DYNAMIC_PERL |
| "perl", |
| #endif |
| #endif |
| #ifdef FEAT_PYTHON |
| #ifndef DYNAMIC_PYTHON |
| "python", |
| #endif |
| #endif |
| #ifdef FEAT_POSTSCRIPT |
| "postscript", |
| #endif |
| #ifdef FEAT_PRINTER |
| "printer", |
| #endif |
| #ifdef FEAT_QUICKFIX |
| "quickfix", |
| #endif |
| #ifdef FEAT_RIGHTLEFT |
| "rightleft", |
| #endif |
| #if defined(FEAT_RUBY) && !defined(DYNAMIC_RUBY) |
| "ruby", |
| #endif |
| #ifdef FEAT_SCROLLBIND |
| "scrollbind", |
| #endif |
| #ifdef FEAT_CMDL_INFO |
| "showcmd", |
| "cmdline_info", |
| #endif |
| #ifdef FEAT_SIGNS |
| "signs", |
| #endif |
| #ifdef FEAT_SMARTINDENT |
| "smartindent", |
| #endif |
| #ifdef FEAT_SNIFF |
| "sniff", |
| #endif |
| #ifdef FEAT_STL_OPT |
| "statusline", |
| #endif |
| #ifdef FEAT_SUN_WORKSHOP |
| "sun_workshop", |
| #endif |
| #ifdef FEAT_NETBEANS_INTG |
| "netbeans_intg", |
| #endif |
| #ifdef FEAT_SYN_HL |
| "syntax", |
| #endif |
| #if defined(USE_SYSTEM) || !defined(UNIX) |
| "system", |
| #endif |
| #ifdef FEAT_TAG_BINS |
| "tag_binary", |
| #endif |
| #ifdef FEAT_TAG_OLDSTATIC |
| "tag_old_static", |
| #endif |
| #ifdef FEAT_TAG_ANYWHITE |
| "tag_any_white", |
| #endif |
| #ifdef FEAT_TCL |
| # ifndef DYNAMIC_TCL |
| "tcl", |
| # endif |
| #endif |
| #ifdef TERMINFO |
| "terminfo", |
| #endif |
| #ifdef FEAT_TERMRESPONSE |
| "termresponse", |
| #endif |
| #ifdef FEAT_TEXTOBJ |
| "textobjects", |
| #endif |
| #ifdef HAVE_TGETENT |
| "tgetent", |
| #endif |
| #ifdef FEAT_TITLE |
| "title", |
| #endif |
| #ifdef FEAT_TOOLBAR |
| "toolbar", |
| #endif |
| #ifdef FEAT_USR_CMDS |
| "user-commands", /* was accidentally included in 5.4 */ |
| "user_commands", |
| #endif |
| #ifdef FEAT_VIMINFO |
| "viminfo", |
| #endif |
| #ifdef FEAT_VERTSPLIT |
| "vertsplit", |
| #endif |
| #ifdef FEAT_VIRTUALEDIT |
| "virtualedit", |
| #endif |
| #ifdef FEAT_VISUAL |
| "visual", |
| #endif |
| #ifdef FEAT_VISUALEXTRA |
| "visualextra", |
| #endif |
| #ifdef FEAT_VREPLACE |
| "vreplace", |
| #endif |
| #ifdef FEAT_WILDIGN |
| "wildignore", |
| #endif |
| #ifdef FEAT_WILDMENU |
| "wildmenu", |
| #endif |
| #ifdef FEAT_WINDOWS |
| "windows", |
| #endif |
| #ifdef FEAT_WAK |
| "winaltkeys", |
| #endif |
| #ifdef FEAT_WRITEBACKUP |
| "writebackup", |
| #endif |
| #ifdef FEAT_XIM |
| "xim", |
| #endif |
| #ifdef FEAT_XFONTSET |
| "xfontset", |
| #endif |
| #ifdef USE_XSMP |
| "xsmp", |
| #endif |
| #ifdef USE_XSMP_INTERACT |
| "xsmp_interact", |
| #endif |
| #ifdef FEAT_XCLIPBOARD |
| "xterm_clipboard", |
| #endif |
| #ifdef FEAT_XTERM_SAVE |
| "xterm_save", |
| #endif |
| #if defined(UNIX) && defined(FEAT_X11) |
| "X11", |
| #endif |
| NULL |
| }; |
| |
| name = get_tv_string(&argvars[0]); |
| for (i = 0; has_list[i] != NULL; ++i) |
| if (STRICMP(name, has_list[i]) == 0) |
| { |
| n = TRUE; |
| break; |
| } |
| |
| if (n == FALSE) |
| { |
| if (STRNICMP(name, "patch", 5) == 0) |
| n = has_patch(atoi((char *)name + 5)); |
| else if (STRICMP(name, "vim_starting") == 0) |
| n = (starting != 0); |
| #ifdef DYNAMIC_TCL |
| else if (STRICMP(name, "tcl") == 0) |
| n = tcl_enabled(FALSE); |
| #endif |
| #if defined(USE_ICONV) && defined(DYNAMIC_ICONV) |
| else if (STRICMP(name, "iconv") == 0) |
| n = iconv_enabled(FALSE); |
| #endif |
| #ifdef DYNAMIC_MZSCHEME |
| else if (STRICMP(name, "mzscheme") == 0) |
| n = mzscheme_enabled(FALSE); |
| #endif |
| #ifdef DYNAMIC_RUBY |
| else if (STRICMP(name, "ruby") == 0) |
| n = ruby_enabled(FALSE); |
| #endif |
| #ifdef DYNAMIC_PYTHON |
| else if (STRICMP(name, "python") == 0) |
| n = python_enabled(FALSE); |
| #endif |
| #ifdef DYNAMIC_PERL |
| else if (STRICMP(name, "perl") == 0) |
| n = perl_enabled(FALSE); |
| #endif |
| #ifdef FEAT_GUI |
| else if (STRICMP(name, "gui_running") == 0) |
| n = (gui.in_use || gui.starting); |
| # ifdef FEAT_GUI_W32 |
| else if (STRICMP(name, "gui_win32s") == 0) |
| n = gui_is_win32s(); |
| # endif |
| # ifdef FEAT_BROWSE |
| else if (STRICMP(name, "browse") == 0) |
| n = gui.in_use; /* gui_mch_browse() works when GUI is running */ |
| # endif |
| #endif |
| #ifdef FEAT_SYN_HL |
| else if (STRICMP(name, "syntax_items") == 0) |
| n = syntax_present(curbuf); |
| #endif |
| #if defined(WIN3264) |
| else if (STRICMP(name, "win95") == 0) |
| n = mch_windows95(); |
| #endif |
| #ifdef FEAT_NETBEANS_INTG |
| else if (STRICMP(name, "netbeans_enabled") == 0) |
| n = usingNetbeans; |
| #endif |
| } |
| |
| rettv->vval.v_number = n; |
| } |
| |
| /* |
| * "has_key()" function |
| */ |
| static void |
| f_has_key(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = 0; |
| if (argvars[0].v_type != VAR_DICT) |
| { |
| EMSG(_(e_dictreq)); |
| return; |
| } |
| if (argvars[0].vval.v_dict == NULL) |
| return; |
| |
| rettv->vval.v_number = dict_find(argvars[0].vval.v_dict, |
| get_tv_string(&argvars[1]), -1) != NULL; |
| } |
| |
| /* |
| * "hasmapto()" function |
| */ |
| static void |
| f_hasmapto(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *name; |
| char_u *mode; |
| char_u buf[NUMBUFLEN]; |
| |
| name = get_tv_string(&argvars[0]); |
| if (argvars[1].v_type == VAR_UNKNOWN) |
| mode = (char_u *)"nvo"; |
| else |
| mode = get_tv_string_buf(&argvars[1], buf); |
| |
| if (map_to_exists(name, mode)) |
| rettv->vval.v_number = TRUE; |
| else |
| rettv->vval.v_number = FALSE; |
| } |
| |
| /* |
| * "histadd()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_histadd(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_CMDHIST |
| int histype; |
| char_u *str; |
| char_u buf[NUMBUFLEN]; |
| #endif |
| |
| rettv->vval.v_number = FALSE; |
| if (check_restricted() || check_secure()) |
| return; |
| #ifdef FEAT_CMDHIST |
| histype = get_histtype(get_tv_string(&argvars[0])); |
| if (histype >= 0) |
| { |
| str = get_tv_string_buf(&argvars[1], buf); |
| if (*str != NUL) |
| { |
| add_to_history(histype, str, FALSE, NUL); |
| rettv->vval.v_number = TRUE; |
| return; |
| } |
| } |
| #endif |
| } |
| |
| /* |
| * "histdel()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_histdel(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_CMDHIST |
| int n; |
| char_u buf[NUMBUFLEN]; |
| |
| if (argvars[1].v_type == VAR_UNKNOWN) |
| /* only one argument: clear entire history */ |
| n = clr_history(get_histtype(get_tv_string(&argvars[0]))); |
| else if (argvars[1].v_type == VAR_NUMBER) |
| /* index given: remove that entry */ |
| n = del_history_idx(get_histtype(get_tv_string(&argvars[0])), |
| (int)get_tv_number(&argvars[1])); |
| else |
| /* string given: remove all matching entries */ |
| n = del_history_entry(get_histtype(get_tv_string(&argvars[0])), |
| get_tv_string_buf(&argvars[1], buf)); |
| rettv->vval.v_number = n; |
| #else |
| rettv->vval.v_number = 0; |
| #endif |
| } |
| |
| /* |
| * "histget()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_histget(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_CMDHIST |
| int type; |
| int idx; |
| |
| type = get_histtype(get_tv_string(&argvars[0])); |
| if (argvars[1].v_type == VAR_UNKNOWN) |
| idx = get_history_idx(type); |
| else |
| idx = (int)get_tv_number(&argvars[1]); |
| rettv->vval.v_string = vim_strsave(get_history_entry(type, idx)); |
| #else |
| rettv->vval.v_string = NULL; |
| #endif |
| rettv->v_type = VAR_STRING; |
| } |
| |
| /* |
| * "histnr()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_histnr(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| int i; |
| |
| #ifdef FEAT_CMDHIST |
| i = get_histtype(get_tv_string(&argvars[0])); |
| if (i >= HIST_CMD && i < HIST_COUNT) |
| i = get_history_idx(i); |
| else |
| #endif |
| i = -1; |
| rettv->vval.v_number = i; |
| } |
| |
| /* |
| * "highlightID(name)" function |
| */ |
| static void |
| f_hlID(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = syn_name2id(get_tv_string(&argvars[0])); |
| } |
| |
| /* |
| * "highlight_exists()" function |
| */ |
| static void |
| f_hlexists(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = highlight_exists(get_tv_string(&argvars[0])); |
| } |
| |
| /* |
| * "hostname()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_hostname(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u hostname[256]; |
| |
| mch_get_host_name(hostname, 256); |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = vim_strsave(hostname); |
| } |
| |
| /* |
| * iconv() function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_iconv(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_MBYTE |
| char_u buf1[NUMBUFLEN]; |
| char_u buf2[NUMBUFLEN]; |
| char_u *from, *to, *str; |
| vimconv_T vimconv; |
| #endif |
| |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = NULL; |
| |
| #ifdef FEAT_MBYTE |
| str = get_tv_string(&argvars[0]); |
| from = enc_canonize(enc_skip(get_tv_string_buf(&argvars[1], buf1))); |
| to = enc_canonize(enc_skip(get_tv_string_buf(&argvars[2], buf2))); |
| vimconv.vc_type = CONV_NONE; |
| convert_setup(&vimconv, from, to); |
| |
| /* If the encodings are equal, no conversion needed. */ |
| if (vimconv.vc_type == CONV_NONE) |
| rettv->vval.v_string = vim_strsave(str); |
| else |
| rettv->vval.v_string = string_convert(&vimconv, str, NULL); |
| |
| convert_setup(&vimconv, NULL, NULL); |
| vim_free(from); |
| vim_free(to); |
| #endif |
| } |
| |
| /* |
| * "indent()" function |
| */ |
| static void |
| f_indent(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| linenr_T lnum; |
| |
| lnum = get_tv_lnum(argvars); |
| if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count) |
| rettv->vval.v_number = get_indent_lnum(lnum); |
| else |
| rettv->vval.v_number = -1; |
| } |
| |
| /* |
| * "index()" function |
| */ |
| static void |
| f_index(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| list_T *l; |
| listitem_T *item; |
| long idx = 0; |
| long min_idx = 0; |
| int ic = FALSE; |
| |
| rettv->vval.v_number = -1; |
| if (argvars[0].v_type != VAR_LIST) |
| { |
| EMSG(_(e_listreq)); |
| return; |
| } |
| l = argvars[0].vval.v_list; |
| if (l != NULL) |
| { |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| { |
| min_idx = get_tv_number(&argvars[2]); |
| if (argvars[3].v_type != VAR_UNKNOWN) |
| ic = get_tv_number(&argvars[3]); |
| } |
| |
| for (item = l->lv_first; item != NULL; item = item->li_next, ++idx) |
| if (idx >= min_idx && tv_equal(&item->li_tv, &argvars[1], ic)) |
| { |
| rettv->vval.v_number = idx; |
| break; |
| } |
| } |
| } |
| |
| static int inputsecret_flag = 0; |
| |
| /* |
| * "input()" function |
| * Also handles inputsecret() when inputsecret is set. |
| */ |
| static void |
| f_input(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *prompt = get_tv_string(&argvars[0]); |
| char_u *p = NULL; |
| int c; |
| char_u buf[NUMBUFLEN]; |
| int cmd_silent_save = cmd_silent; |
| |
| rettv->v_type = VAR_STRING; |
| |
| #ifdef NO_CONSOLE_INPUT |
| /* While starting up, there is no place to enter text. */ |
| if (no_console_input()) |
| { |
| rettv->vval.v_string = NULL; |
| return; |
| } |
| #endif |
| |
| cmd_silent = FALSE; /* Want to see the prompt. */ |
| if (prompt != NULL) |
| { |
| /* Only the part of the message after the last NL is considered as |
| * prompt for the command line */ |
| p = vim_strrchr(prompt, '\n'); |
| if (p == NULL) |
| p = prompt; |
| else |
| { |
| ++p; |
| c = *p; |
| *p = NUL; |
| msg_start(); |
| msg_clr_eos(); |
| msg_puts_attr(prompt, echo_attr); |
| msg_didout = FALSE; |
| msg_starthere(); |
| *p = c; |
| } |
| cmdline_row = msg_row; |
| } |
| |
| if (argvars[1].v_type != VAR_UNKNOWN) |
| stuffReadbuffSpec(get_tv_string_buf(&argvars[1], buf)); |
| |
| rettv->vval.v_string = |
| getcmdline_prompt(inputsecret_flag ? NUL : '@', p, echo_attr); |
| |
| /* since the user typed this, no need to wait for return */ |
| need_wait_return = FALSE; |
| msg_didout = FALSE; |
| cmd_silent = cmd_silent_save; |
| } |
| |
| /* |
| * "inputdialog()" function |
| */ |
| static void |
| f_inputdialog(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #if defined(FEAT_GUI_TEXTDIALOG) |
| /* Use a GUI dialog if the GUI is running and 'c' is not in 'guioptions' */ |
| if (gui.in_use && vim_strchr(p_go, GO_CONDIALOG) == NULL) |
| { |
| char_u *message; |
| char_u buf[NUMBUFLEN]; |
| |
| message = get_tv_string(&argvars[0]); |
| if (argvars[1].v_type != VAR_UNKNOWN) |
| { |
| STRNCPY(IObuff, get_tv_string_buf(&argvars[1], buf), IOSIZE); |
| IObuff[IOSIZE - 1] = NUL; |
| } |
| else |
| IObuff[0] = NUL; |
| if (do_dialog(VIM_QUESTION, NULL, message, (char_u *)_("&OK\n&Cancel"), |
| 1, IObuff) == 1) |
| rettv->vval.v_string = vim_strsave(IObuff); |
| else |
| { |
| if (argvars[1].v_type != VAR_UNKNOWN |
| && argvars[2].v_type != VAR_UNKNOWN) |
| rettv->vval.v_string = vim_strsave( |
| get_tv_string_buf(&argvars[2], buf)); |
| else |
| rettv->vval.v_string = NULL; |
| } |
| rettv->v_type = VAR_STRING; |
| } |
| else |
| #endif |
| f_input(argvars, rettv); |
| } |
| |
| static garray_T ga_userinput = {0, 0, sizeof(tasave_T), 4, NULL}; |
| |
| /* |
| * "inputrestore()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_inputrestore(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| if (ga_userinput.ga_len > 0) |
| { |
| --ga_userinput.ga_len; |
| restore_typeahead((tasave_T *)(ga_userinput.ga_data) |
| + ga_userinput.ga_len); |
| rettv->vval.v_number = 0; /* OK */ |
| } |
| else if (p_verbose > 1) |
| { |
| msg((char_u *)_("called inputrestore() more often than inputsave()")); |
| rettv->vval.v_number = 1; /* Failed */ |
| } |
| } |
| |
| /* |
| * "inputsave()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_inputsave(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| /* Add an entry to the stack of typehead storage. */ |
| if (ga_grow(&ga_userinput, 1) == OK) |
| { |
| save_typeahead((tasave_T *)(ga_userinput.ga_data) |
| + ga_userinput.ga_len); |
| ++ga_userinput.ga_len; |
| rettv->vval.v_number = 0; /* OK */ |
| } |
| else |
| rettv->vval.v_number = 1; /* Failed */ |
| } |
| |
| /* |
| * "inputsecret()" function |
| */ |
| static void |
| f_inputsecret(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| ++cmdline_star; |
| ++inputsecret_flag; |
| f_input(argvars, rettv); |
| --cmdline_star; |
| --inputsecret_flag; |
| } |
| |
| /* |
| * "insert()" function |
| */ |
| static void |
| f_insert(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| long before = 0; |
| long n; |
| listitem_T *item; |
| list_T *l; |
| |
| rettv->vval.v_number = 0; |
| if (argvars[0].v_type != VAR_LIST) |
| EMSG2(_(e_listarg), "insert()"); |
| else if ((l = argvars[0].vval.v_list) != NULL |
| && !tv_check_lock(l->lv_lock, (char_u *)"insert()")) |
| { |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| before = get_tv_number(&argvars[2]); |
| |
| n = before; |
| item = list_find_ext(l, &n); |
| if (n > 0) |
| EMSGN(_(e_listidx), before); |
| else |
| { |
| list_insert_tv(l, &argvars[1], item); |
| ++l->lv_refcount; |
| copy_tv(&argvars[0], rettv); |
| } |
| } |
| } |
| |
| /* |
| * "isdirectory()" function |
| */ |
| static void |
| f_isdirectory(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = mch_isdir(get_tv_string(&argvars[0])); |
| } |
| |
| static int tv_islocked __ARGS((typval_T *tv)); |
| |
| /* |
| * Return TRUE if typeval "tv" is locked: Either tha value is locked itself or |
| * it refers to a List or Dictionary that is locked. |
| */ |
| static int |
| tv_islocked(tv) |
| typval_T *tv; |
| { |
| return (tv->v_lock & VAR_LOCKED) |
| || (tv->v_type == VAR_LIST |
| && tv->vval.v_list != NULL |
| && (tv->vval.v_list->lv_lock & VAR_LOCKED)) |
| || (tv->v_type == VAR_DICT |
| && tv->vval.v_dict != NULL |
| && (tv->vval.v_dict->dv_lock & VAR_LOCKED)); |
| } |
| |
| /* |
| * "islocked()" function |
| */ |
| static void |
| f_islocked(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| lval_T lv; |
| char_u *end; |
| dictitem_T *di; |
| |
| rettv->vval.v_number = -1; |
| end = get_lval(get_tv_string(&argvars[0]), NULL, &lv, FALSE, FALSE, FALSE); |
| if (end != NULL && lv.ll_name != NULL) |
| { |
| if (*end != NUL) |
| EMSG(_(e_trailing)); |
| else |
| { |
| if (lv.ll_tv == NULL) |
| { |
| if (check_changedtick(lv.ll_name)) |
| rettv->vval.v_number = 1; /* always locked */ |
| else |
| { |
| di = find_var(lv.ll_name, NULL); |
| if (di != NULL) |
| { |
| /* Consider a variable locked when: |
| * 1. the variable itself is locked |
| * 2. the value of the variable is locked. |
| * 3. the List or Dict value is locked. |
| */ |
| rettv->vval.v_number = ((di->di_flags & DI_FLAGS_LOCK) |
| || tv_islocked(&di->di_tv)); |
| } |
| } |
| } |
| else if (lv.ll_range) |
| EMSG(_("E745: Range not allowed")); |
| else if (lv.ll_newkey != NULL) |
| EMSG2(_(e_dictkey), lv.ll_newkey); |
| else if (lv.ll_list != NULL) |
| /* List item. */ |
| rettv->vval.v_number = tv_islocked(&lv.ll_li->li_tv); |
| else |
| /* Dictionary item. */ |
| rettv->vval.v_number = tv_islocked(&lv.ll_di->di_tv); |
| } |
| } |
| |
| clear_lval(&lv); |
| } |
| |
| static void dict_list __ARGS((typval_T *argvars, typval_T *rettv, int what)); |
| |
| /* |
| * Turn a dict into a list: |
| * "what" == 0: list of keys |
| * "what" == 1: list of values |
| * "what" == 2: list of items |
| */ |
| static void |
| dict_list(argvars, rettv, what) |
| typval_T *argvars; |
| typval_T *rettv; |
| int what; |
| { |
| list_T *l; |
| list_T *l2; |
| dictitem_T *di; |
| hashitem_T *hi; |
| listitem_T *li; |
| listitem_T *li2; |
| dict_T *d; |
| int todo; |
| |
| rettv->vval.v_number = 0; |
| if (argvars[0].v_type != VAR_DICT) |
| { |
| EMSG(_(e_dictreq)); |
| return; |
| } |
| if ((d = argvars[0].vval.v_dict) == NULL) |
| return; |
| |
| l = list_alloc(); |
| if (l == NULL) |
| return; |
| rettv->v_type = VAR_LIST; |
| rettv->vval.v_list = l; |
| ++l->lv_refcount; |
| |
| todo = d->dv_hashtab.ht_used; |
| for (hi = d->dv_hashtab.ht_array; todo > 0; ++hi) |
| { |
| if (!HASHITEM_EMPTY(hi)) |
| { |
| --todo; |
| di = HI2DI(hi); |
| |
| li = listitem_alloc(); |
| if (li == NULL) |
| break; |
| list_append(l, li); |
| |
| if (what == 0) |
| { |
| /* keys() */ |
| li->li_tv.v_type = VAR_STRING; |
| li->li_tv.v_lock = 0; |
| li->li_tv.vval.v_string = vim_strsave(di->di_key); |
| } |
| else if (what == 1) |
| { |
| /* values() */ |
| copy_tv(&di->di_tv, &li->li_tv); |
| } |
| else |
| { |
| /* items() */ |
| l2 = list_alloc(); |
| li->li_tv.v_type = VAR_LIST; |
| li->li_tv.v_lock = 0; |
| li->li_tv.vval.v_list = l2; |
| if (l2 == NULL) |
| break; |
| ++l2->lv_refcount; |
| |
| li2 = listitem_alloc(); |
| if (li2 == NULL) |
| break; |
| list_append(l2, li2); |
| li2->li_tv.v_type = VAR_STRING; |
| li2->li_tv.v_lock = 0; |
| li2->li_tv.vval.v_string = vim_strsave(di->di_key); |
| |
| li2 = listitem_alloc(); |
| if (li2 == NULL) |
| break; |
| list_append(l2, li2); |
| copy_tv(&di->di_tv, &li2->li_tv); |
| } |
| } |
| } |
| } |
| |
| /* |
| * "items(dict)" function |
| */ |
| static void |
| f_items(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| dict_list(argvars, rettv, 2); |
| } |
| |
| /* |
| * "join()" function |
| */ |
| static void |
| f_join(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| garray_T ga; |
| char_u *sep; |
| |
| rettv->vval.v_number = 0; |
| if (argvars[0].v_type != VAR_LIST) |
| { |
| EMSG(_(e_listreq)); |
| return; |
| } |
| if (argvars[0].vval.v_list == NULL) |
| return; |
| if (argvars[1].v_type == VAR_UNKNOWN) |
| sep = (char_u *)" "; |
| else |
| sep = get_tv_string(&argvars[1]); |
| |
| ga_init2(&ga, (int)sizeof(char), 80); |
| list_join(&ga, argvars[0].vval.v_list, sep, TRUE); |
| ga_append(&ga, NUL); |
| |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = (char_u *)ga.ga_data; |
| } |
| |
| /* |
| * "keys()" function |
| */ |
| static void |
| f_keys(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| dict_list(argvars, rettv, 0); |
| } |
| |
| /* |
| * "last_buffer_nr()" function. |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_last_buffer_nr(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| int n = 0; |
| buf_T *buf; |
| |
| for (buf = firstbuf; buf != NULL; buf = buf->b_next) |
| if (n < buf->b_fnum) |
| n = buf->b_fnum; |
| |
| rettv->vval.v_number = n; |
| } |
| |
| /* |
| * "len()" function |
| */ |
| static void |
| f_len(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| switch (argvars[0].v_type) |
| { |
| case VAR_STRING: |
| case VAR_NUMBER: |
| rettv->vval.v_number = (varnumber_T)STRLEN( |
| get_tv_string(&argvars[0])); |
| break; |
| case VAR_LIST: |
| rettv->vval.v_number = list_len(argvars[0].vval.v_list); |
| break; |
| case VAR_DICT: |
| rettv->vval.v_number = dict_len(argvars[0].vval.v_dict); |
| break; |
| default: |
| EMSG(_("E701: Invalid type for len()")); |
| break; |
| } |
| } |
| |
| static void libcall_common __ARGS((typval_T *argvars, typval_T *rettv, int type)); |
| |
| static void |
| libcall_common(argvars, rettv, type) |
| typval_T *argvars; |
| typval_T *rettv; |
| int type; |
| { |
| #ifdef FEAT_LIBCALL |
| char_u *string_in; |
| char_u **string_result; |
| int nr_result; |
| #endif |
| |
| rettv->v_type = type; |
| if (type == VAR_NUMBER) |
| rettv->vval.v_number = 0; |
| else |
| rettv->vval.v_string = NULL; |
| |
| if (check_restricted() || check_secure()) |
| return; |
| |
| #ifdef FEAT_LIBCALL |
| /* The first two args must be strings, otherwise its meaningless */ |
| if (argvars[0].v_type == VAR_STRING && argvars[1].v_type == VAR_STRING) |
| { |
| if (argvars[2].v_type == VAR_NUMBER) |
| string_in = NULL; |
| else |
| string_in = argvars[2].vval.v_string; |
| if (type == VAR_NUMBER) |
| string_result = NULL; |
| else |
| string_result = &rettv->vval.v_string; |
| if (mch_libcall(argvars[0].vval.v_string, |
| argvars[1].vval.v_string, |
| string_in, |
| argvars[2].vval.v_number, |
| string_result, |
| &nr_result) == OK |
| && type == VAR_NUMBER) |
| rettv->vval.v_number = nr_result; |
| } |
| #endif |
| } |
| |
| /* |
| * "libcall()" function |
| */ |
| static void |
| f_libcall(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| libcall_common(argvars, rettv, VAR_STRING); |
| } |
| |
| /* |
| * "libcallnr()" function |
| */ |
| static void |
| f_libcallnr(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| libcall_common(argvars, rettv, VAR_NUMBER); |
| } |
| |
| /* |
| * "line(string)" function |
| */ |
| static void |
| f_line(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| linenr_T lnum = 0; |
| pos_T *fp; |
| |
| fp = var2fpos(&argvars[0], TRUE); |
| if (fp != NULL) |
| lnum = fp->lnum; |
| rettv->vval.v_number = lnum; |
| } |
| |
| /* |
| * "line2byte(lnum)" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_line2byte(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifndef FEAT_BYTEOFF |
| rettv->vval.v_number = -1; |
| #else |
| linenr_T lnum; |
| |
| lnum = get_tv_lnum(argvars); |
| if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count + 1) |
| rettv->vval.v_number = -1; |
| else |
| rettv->vval.v_number = ml_find_line_or_offset(curbuf, lnum, NULL); |
| if (rettv->vval.v_number >= 0) |
| ++rettv->vval.v_number; |
| #endif |
| } |
| |
| /* |
| * "lispindent(lnum)" function |
| */ |
| static void |
| f_lispindent(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_LISP |
| pos_T pos; |
| linenr_T lnum; |
| |
| pos = curwin->w_cursor; |
| lnum = get_tv_lnum(argvars); |
| if (lnum >= 1 && lnum <= curbuf->b_ml.ml_line_count) |
| { |
| curwin->w_cursor.lnum = lnum; |
| rettv->vval.v_number = get_lisp_indent(); |
| curwin->w_cursor = pos; |
| } |
| else |
| #endif |
| rettv->vval.v_number = -1; |
| } |
| |
| /* |
| * "localtime()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_localtime(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = (varnumber_T)time(NULL); |
| } |
| |
| static void get_maparg __ARGS((typval_T *argvars, typval_T *rettv, int exact)); |
| |
| static void |
| get_maparg(argvars, rettv, exact) |
| typval_T *argvars; |
| typval_T *rettv; |
| int exact; |
| { |
| char_u *keys; |
| char_u *which; |
| char_u buf[NUMBUFLEN]; |
| char_u *keys_buf = NULL; |
| char_u *rhs; |
| int mode; |
| garray_T ga; |
| |
| /* return empty string for failure */ |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = NULL; |
| |
| keys = get_tv_string(&argvars[0]); |
| if (*keys == NUL) |
| return; |
| |
| if (argvars[1].v_type != VAR_UNKNOWN) |
| which = get_tv_string_buf(&argvars[1], buf); |
| else |
| which = (char_u *)""; |
| mode = get_map_mode(&which, 0); |
| |
| keys = replace_termcodes(keys, &keys_buf, TRUE, TRUE); |
| rhs = check_map(keys, mode, exact); |
| vim_free(keys_buf); |
| if (rhs != NULL) |
| { |
| ga_init(&ga); |
| ga.ga_itemsize = 1; |
| ga.ga_growsize = 40; |
| |
| while (*rhs != NUL) |
| ga_concat(&ga, str2special(&rhs, FALSE)); |
| |
| ga_append(&ga, NUL); |
| rettv->vval.v_string = (char_u *)ga.ga_data; |
| } |
| } |
| |
| /* |
| * "map()" function |
| */ |
| static void |
| f_map(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| filter_map(argvars, rettv, TRUE); |
| } |
| |
| /* |
| * "maparg()" function |
| */ |
| static void |
| f_maparg(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| get_maparg(argvars, rettv, TRUE); |
| } |
| |
| /* |
| * "mapcheck()" function |
| */ |
| static void |
| f_mapcheck(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| get_maparg(argvars, rettv, FALSE); |
| } |
| |
| static void find_some_match __ARGS((typval_T *argvars, typval_T *rettv, int start)); |
| |
| static void |
| find_some_match(argvars, rettv, type) |
| typval_T *argvars; |
| typval_T *rettv; |
| int type; |
| { |
| char_u *str = NULL; |
| char_u *expr = NULL; |
| char_u *pat; |
| regmatch_T regmatch; |
| char_u patbuf[NUMBUFLEN]; |
| char_u strbuf[NUMBUFLEN]; |
| char_u *save_cpo; |
| long start = 0; |
| long nth = 1; |
| int match; |
| list_T *l = NULL; |
| listitem_T *li = NULL; |
| long idx = 0; |
| char_u *tofree; |
| |
| /* Make 'cpoptions' empty, the 'l' flag should not be used here. */ |
| save_cpo = p_cpo; |
| p_cpo = (char_u *)""; |
| |
| if (type == 2) |
| { |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = NULL; |
| } |
| else |
| rettv->vval.v_number = -1; |
| |
| if (argvars[0].v_type == VAR_LIST) |
| { |
| if ((l = argvars[0].vval.v_list) == NULL) |
| goto theend; |
| li = l->lv_first; |
| } |
| else |
| expr = str = get_tv_string(&argvars[0]); |
| |
| pat = get_tv_string_buf(&argvars[1], patbuf); |
| |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| { |
| start = get_tv_number(&argvars[2]); |
| if (l != NULL) |
| { |
| li = list_find(l, start); |
| if (li == NULL) |
| goto theend; |
| if (start < 0) |
| { |
| listitem_T *ni; |
| |
| /* Need to compute the index. */ |
| for (ni = li; ni->li_prev != NULL; ni = ni->li_prev) |
| ++idx; |
| } |
| else |
| idx = start; |
| } |
| else |
| { |
| if (start < 0) |
| start = 0; |
| if (start > (long)STRLEN(str)) |
| goto theend; |
| str += start; |
| } |
| |
| if (argvars[3].v_type != VAR_UNKNOWN) |
| nth = get_tv_number(&argvars[3]); |
| } |
| |
| regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING); |
| if (regmatch.regprog != NULL) |
| { |
| regmatch.rm_ic = p_ic; |
| |
| while (1) |
| { |
| if (l != NULL) |
| { |
| if (li == NULL) |
| { |
| match = FALSE; |
| break; |
| } |
| str = echo_string(&li->li_tv, &tofree, strbuf); |
| } |
| |
| match = vim_regexec_nl(®match, str, (colnr_T)0); |
| |
| if (l != NULL) |
| vim_free(tofree); |
| if (match && --nth <= 0) |
| break; |
| if (l == NULL && !match) |
| break; |
| |
| /* Advance to just after the match. */ |
| if (l != NULL) |
| { |
| li = li->li_next; |
| ++idx; |
| } |
| else |
| { |
| #ifdef FEAT_MBYTE |
| str = regmatch.startp[0] + mb_ptr2len_check(regmatch.startp[0]); |
| #else |
| str = regmatch.startp[0] + 1; |
| #endif |
| } |
| } |
| |
| if (match) |
| { |
| if (type == 2) |
| { |
| if (l != NULL) |
| copy_tv(&li->li_tv, rettv); |
| else |
| rettv->vval.v_string = vim_strnsave(regmatch.startp[0], |
| (int)(regmatch.endp[0] - regmatch.startp[0])); |
| } |
| else if (l != NULL) |
| rettv->vval.v_number = idx; |
| else |
| { |
| if (type != 0) |
| rettv->vval.v_number = |
| (varnumber_T)(regmatch.startp[0] - str); |
| else |
| rettv->vval.v_number = |
| (varnumber_T)(regmatch.endp[0] - str); |
| rettv->vval.v_number += str - expr; |
| } |
| } |
| vim_free(regmatch.regprog); |
| } |
| |
| theend: |
| p_cpo = save_cpo; |
| } |
| |
| /* |
| * "match()" function |
| */ |
| static void |
| f_match(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| find_some_match(argvars, rettv, 1); |
| } |
| |
| /* |
| * "matchend()" function |
| */ |
| static void |
| f_matchend(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| find_some_match(argvars, rettv, 0); |
| } |
| |
| /* |
| * "matchstr()" function |
| */ |
| static void |
| f_matchstr(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| find_some_match(argvars, rettv, 2); |
| } |
| |
| static void max_min __ARGS((typval_T *argvars, typval_T *rettv, int domax)); |
| |
| static void |
| max_min(argvars, rettv, domax) |
| typval_T *argvars; |
| typval_T *rettv; |
| int domax; |
| { |
| long n = 0; |
| long i; |
| |
| if (argvars[0].v_type == VAR_LIST) |
| { |
| list_T *l; |
| listitem_T *li; |
| |
| l = argvars[0].vval.v_list; |
| if (l != NULL) |
| { |
| li = l->lv_first; |
| if (li != NULL) |
| { |
| n = get_tv_number(&li->li_tv); |
| while (1) |
| { |
| li = li->li_next; |
| if (li == NULL) |
| break; |
| i = get_tv_number(&li->li_tv); |
| if (domax ? i > n : i < n) |
| n = i; |
| } |
| } |
| } |
| } |
| else if (argvars[0].v_type == VAR_DICT) |
| { |
| dict_T *d; |
| int first = TRUE; |
| hashitem_T *hi; |
| int todo; |
| |
| d = argvars[0].vval.v_dict; |
| if (d != NULL) |
| { |
| todo = d->dv_hashtab.ht_used; |
| for (hi = d->dv_hashtab.ht_array; todo > 0; ++hi) |
| { |
| if (!HASHITEM_EMPTY(hi)) |
| { |
| --todo; |
| i = get_tv_number(&HI2DI(hi)->di_tv); |
| if (first) |
| { |
| n = i; |
| first = FALSE; |
| } |
| else if (domax ? i > n : i < n) |
| n = i; |
| } |
| } |
| } |
| } |
| else |
| EMSG(_(e_listreq)); |
| rettv->vval.v_number = n; |
| } |
| |
| /* |
| * "max()" function |
| */ |
| static void |
| f_max(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| max_min(argvars, rettv, TRUE); |
| } |
| |
| /* |
| * "min()" function |
| */ |
| static void |
| f_min(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| max_min(argvars, rettv, FALSE); |
| } |
| |
| /* |
| * "mode()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_mode(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u buf[2]; |
| |
| #ifdef FEAT_VISUAL |
| if (VIsual_active) |
| { |
| if (VIsual_select) |
| buf[0] = VIsual_mode + 's' - 'v'; |
| else |
| buf[0] = VIsual_mode; |
| } |
| else |
| #endif |
| if (State == HITRETURN || State == ASKMORE || State == SETWSIZE) |
| buf[0] = 'r'; |
| else if (State & INSERT) |
| { |
| if (State & REPLACE_FLAG) |
| buf[0] = 'R'; |
| else |
| buf[0] = 'i'; |
| } |
| else if (State & CMDLINE) |
| buf[0] = 'c'; |
| else |
| buf[0] = 'n'; |
| |
| buf[1] = NUL; |
| rettv->vval.v_string = vim_strsave(buf); |
| rettv->v_type = VAR_STRING; |
| } |
| |
| /* |
| * "nextnonblank()" function |
| */ |
| static void |
| f_nextnonblank(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| linenr_T lnum; |
| |
| for (lnum = get_tv_lnum(argvars); ; ++lnum) |
| { |
| if (lnum > curbuf->b_ml.ml_line_count) |
| { |
| lnum = 0; |
| break; |
| } |
| if (*skipwhite(ml_get(lnum)) != NUL) |
| break; |
| } |
| rettv->vval.v_number = lnum; |
| } |
| |
| /* |
| * "nr2char()" function |
| */ |
| static void |
| f_nr2char(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u buf[NUMBUFLEN]; |
| |
| #ifdef FEAT_MBYTE |
| if (has_mbyte) |
| buf[(*mb_char2bytes)((int)get_tv_number(&argvars[0]), buf)] = NUL; |
| else |
| #endif |
| { |
| buf[0] = (char_u)get_tv_number(&argvars[0]); |
| buf[1] = NUL; |
| } |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = vim_strsave(buf); |
| } |
| |
| /* |
| * "prevnonblank()" function |
| */ |
| static void |
| f_prevnonblank(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| linenr_T lnum; |
| |
| lnum = get_tv_lnum(argvars); |
| if (lnum < 1 || lnum > curbuf->b_ml.ml_line_count) |
| lnum = 0; |
| else |
| while (lnum >= 1 && *skipwhite(ml_get(lnum)) == NUL) |
| --lnum; |
| rettv->vval.v_number = lnum; |
| } |
| |
| /* |
| * "range()" function |
| */ |
| static void |
| f_range(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| long start; |
| long end; |
| long stride = 1; |
| long i; |
| list_T *l; |
| listitem_T *li; |
| |
| start = get_tv_number(&argvars[0]); |
| if (argvars[1].v_type == VAR_UNKNOWN) |
| { |
| end = start - 1; |
| start = 0; |
| } |
| else |
| { |
| end = get_tv_number(&argvars[1]); |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| stride = get_tv_number(&argvars[2]); |
| } |
| |
| rettv->vval.v_number = 0; |
| if (stride == 0) |
| EMSG(_("E726: Stride is zero")); |
| else if (stride > 0 ? end < start : end > start) |
| EMSG(_("E727: Start past end")); |
| else |
| { |
| l = list_alloc(); |
| if (l != NULL) |
| { |
| rettv->v_type = VAR_LIST; |
| rettv->vval.v_list = l; |
| ++l->lv_refcount; |
| |
| for (i = start; stride > 0 ? i <= end : i >= end; i += stride) |
| { |
| li = listitem_alloc(); |
| if (li == NULL) |
| break; |
| li->li_tv.v_type = VAR_NUMBER; |
| li->li_tv.v_lock = 0; |
| li->li_tv.vval.v_number = i; |
| list_append(l, li); |
| } |
| } |
| } |
| } |
| |
| #if defined(FEAT_CLIENTSERVER) && defined(FEAT_X11) |
| static void make_connection __ARGS((void)); |
| static int check_connection __ARGS((void)); |
| |
| static void |
| make_connection() |
| { |
| if (X_DISPLAY == NULL |
| # ifdef FEAT_GUI |
| && !gui.in_use |
| # endif |
| ) |
| { |
| x_force_connect = TRUE; |
| setup_term_clip(); |
| x_force_connect = FALSE; |
| } |
| } |
| |
| static int |
| check_connection() |
| { |
| make_connection(); |
| if (X_DISPLAY == NULL) |
| { |
| EMSG(_("E240: No connection to Vim server")); |
| return FAIL; |
| } |
| return OK; |
| } |
| #endif |
| |
| #ifdef FEAT_CLIENTSERVER |
| static void remote_common __ARGS((typval_T *argvars, typval_T *rettv, int expr)); |
| |
| static void |
| remote_common(argvars, rettv, expr) |
| typval_T *argvars; |
| typval_T *rettv; |
| int expr; |
| { |
| char_u *server_name; |
| char_u *keys; |
| char_u *r = NULL; |
| char_u buf[NUMBUFLEN]; |
| # ifdef WIN32 |
| HWND w; |
| # else |
| Window w; |
| # endif |
| |
| if (check_restricted() || check_secure()) |
| return; |
| |
| # ifdef FEAT_X11 |
| if (check_connection() == FAIL) |
| return; |
| # endif |
| |
| server_name = get_tv_string(&argvars[0]); |
| keys = get_tv_string_buf(&argvars[1], buf); |
| # ifdef WIN32 |
| if (serverSendToVim(server_name, keys, &r, &w, expr, TRUE) < 0) |
| # else |
| if (serverSendToVim(X_DISPLAY, server_name, keys, &r, &w, expr, 0, TRUE) |
| < 0) |
| # endif |
| { |
| if (r != NULL) |
| EMSG(r); /* sending worked but evaluation failed */ |
| else |
| EMSG2(_("E241: Unable to send to %s"), server_name); |
| return; |
| } |
| |
| rettv->vval.v_string = r; |
| |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| { |
| dictitem_T v; |
| char_u str[30]; |
| |
| sprintf((char *)str, "0x%x", (unsigned int)w); |
| v.di_tv.v_type = VAR_STRING; |
| v.di_tv.vval.v_string = vim_strsave(str); |
| set_var(get_tv_string(&argvars[2]), &v.di_tv, FALSE); |
| vim_free(v.di_tv.vval.v_string); |
| } |
| } |
| #endif |
| |
| /* |
| * "remote_expr()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_remote_expr(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = NULL; |
| #ifdef FEAT_CLIENTSERVER |
| remote_common(argvars, rettv, TRUE); |
| #endif |
| } |
| |
| /* |
| * "remote_foreground()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_remote_foreground(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = 0; |
| #ifdef FEAT_CLIENTSERVER |
| # ifdef WIN32 |
| /* On Win32 it's done in this application. */ |
| serverForeground(get_tv_string(&argvars[0])); |
| # else |
| /* Send a foreground() expression to the server. */ |
| argvars[1].v_type = VAR_STRING; |
| argvars[1].vval.v_string = vim_strsave((char_u *)"foreground()"); |
| argvars[2].v_type = VAR_UNKNOWN; |
| remote_common(argvars, rettv, TRUE); |
| vim_free(argvars[1].vval.v_string); |
| # endif |
| #endif |
| } |
| |
| /*ARGSUSED*/ |
| static void |
| f_remote_peek(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_CLIENTSERVER |
| dictitem_T v; |
| char_u *s = NULL; |
| # ifdef WIN32 |
| int n = 0; |
| # endif |
| |
| if (check_restricted() || check_secure()) |
| { |
| rettv->vval.v_number = -1; |
| return; |
| } |
| # ifdef WIN32 |
| sscanf(get_tv_string(&argvars[0]), "%x", &n); |
| if (n == 0) |
| rettv->vval.v_number = -1; |
| else |
| { |
| s = serverGetReply((HWND)n, FALSE, FALSE, FALSE); |
| rettv->vval.v_number = (s != NULL); |
| } |
| # else |
| rettv->vval.v_number = 0; |
| if (check_connection() == FAIL) |
| return; |
| |
| rettv->vval.v_number = serverPeekReply(X_DISPLAY, |
| serverStrToWin(get_tv_string(&argvars[0])), &s); |
| # endif |
| |
| if (argvars[1].v_type != VAR_UNKNOWN && rettv->vval.v_number > 0) |
| { |
| v.di_tv.v_type = VAR_STRING; |
| v.di_tv.vval.v_string = vim_strsave(s); |
| set_var(get_tv_string(&argvars[1]), &v.di_tv, FALSE); |
| vim_free(v.di_tv.vval.v_string); |
| } |
| #else |
| rettv->vval.v_number = -1; |
| #endif |
| } |
| |
| /*ARGSUSED*/ |
| static void |
| f_remote_read(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *r = NULL; |
| |
| #ifdef FEAT_CLIENTSERVER |
| if (!check_restricted() && !check_secure()) |
| { |
| # ifdef WIN32 |
| /* The server's HWND is encoded in the 'id' parameter */ |
| int n = 0; |
| |
| sscanf(get_tv_string(&argvars[0]), "%x", &n); |
| if (n != 0) |
| r = serverGetReply((HWND)n, FALSE, TRUE, TRUE); |
| if (r == NULL) |
| # else |
| if (check_connection() == FAIL || serverReadReply(X_DISPLAY, |
| serverStrToWin(get_tv_string(&argvars[0])), &r, FALSE) < 0) |
| # endif |
| EMSG(_("E277: Unable to read a server reply")); |
| } |
| #endif |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = r; |
| } |
| |
| /* |
| * "remote_send()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_remote_send(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = NULL; |
| #ifdef FEAT_CLIENTSERVER |
| remote_common(argvars, rettv, FALSE); |
| #endif |
| } |
| |
| /* |
| * "remove()" function |
| */ |
| static void |
| f_remove(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| list_T *l; |
| listitem_T *item, *item2; |
| listitem_T *li; |
| long idx; |
| long end; |
| char_u *key; |
| dict_T *d; |
| dictitem_T *di; |
| |
| rettv->vval.v_number = 0; |
| if (argvars[0].v_type == VAR_DICT) |
| { |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| EMSG2(_(e_toomanyarg), "remove()"); |
| else if ((d = argvars[0].vval.v_dict) != NULL |
| && !tv_check_lock(d->dv_lock, (char_u *)"remove()")) |
| { |
| key = get_tv_string(&argvars[1]); |
| di = dict_find(d, key, -1); |
| if (di == NULL) |
| EMSG2(_(e_dictkey), key); |
| else |
| { |
| *rettv = di->di_tv; |
| init_tv(&di->di_tv); |
| dictitem_remove(d, di); |
| } |
| } |
| } |
| else if (argvars[0].v_type != VAR_LIST) |
| EMSG2(_(e_listdictarg), "remove()"); |
| else if ((l = argvars[0].vval.v_list) != NULL |
| && !tv_check_lock(l->lv_lock, (char_u *)"remove()")) |
| { |
| idx = get_tv_number(&argvars[1]); |
| item = list_find(l, idx); |
| if (item == NULL) |
| EMSGN(_(e_listidx), idx); |
| else |
| { |
| if (argvars[2].v_type == VAR_UNKNOWN) |
| { |
| /* Remove one item, return its value. */ |
| list_remove(l, item, item); |
| *rettv = item->li_tv; |
| vim_free(item); |
| } |
| else |
| { |
| /* Remove range of items, return list with values. */ |
| end = get_tv_number(&argvars[2]); |
| item2 = list_find(l, end); |
| if (item2 == NULL) |
| EMSGN(_(e_listidx), end); |
| else |
| { |
| for (li = item; li != item2 && li != NULL; li = li->li_next) |
| ; |
| if (li == NULL) /* didn't find "item2" after "item" */ |
| EMSG(_(e_invrange)); |
| else |
| { |
| list_remove(l, item, item2); |
| l = list_alloc(); |
| if (l != NULL) |
| { |
| rettv->v_type = VAR_LIST; |
| rettv->vval.v_list = l; |
| l->lv_first = item; |
| l->lv_last = item2; |
| l->lv_refcount = 1; |
| item->li_prev = NULL; |
| item2->li_next = NULL; |
| } |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| /* |
| * "rename({from}, {to})" function |
| */ |
| static void |
| f_rename(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u buf[NUMBUFLEN]; |
| |
| if (check_restricted() || check_secure()) |
| rettv->vval.v_number = -1; |
| else |
| rettv->vval.v_number = vim_rename(get_tv_string(&argvars[0]), |
| get_tv_string_buf(&argvars[1], buf)); |
| } |
| |
| /* |
| * "repeat()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_repeat(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *p; |
| int n; |
| int slen; |
| int len; |
| char_u *r; |
| int i; |
| list_T *l; |
| |
| n = get_tv_number(&argvars[1]); |
| if (argvars[0].v_type == VAR_LIST) |
| { |
| l = list_alloc(); |
| if (l != NULL && argvars[0].vval.v_list != NULL) |
| { |
| l->lv_refcount = 1; |
| while (n-- > 0) |
| if (list_extend(l, argvars[0].vval.v_list, NULL) == FAIL) |
| break; |
| } |
| rettv->v_type = VAR_LIST; |
| rettv->vval.v_list = l; |
| } |
| else |
| { |
| p = get_tv_string(&argvars[0]); |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = NULL; |
| |
| slen = (int)STRLEN(p); |
| len = slen * n; |
| if (len <= 0) |
| return; |
| |
| r = alloc(len + 1); |
| if (r != NULL) |
| { |
| for (i = 0; i < n; i++) |
| mch_memmove(r + i * slen, p, (size_t)slen); |
| r[len] = NUL; |
| } |
| |
| rettv->vval.v_string = r; |
| } |
| } |
| |
| /* |
| * "resolve()" function |
| */ |
| static void |
| f_resolve(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *p; |
| |
| p = get_tv_string(&argvars[0]); |
| #ifdef FEAT_SHORTCUT |
| { |
| char_u *v = NULL; |
| |
| v = mch_resolve_shortcut(p); |
| if (v != NULL) |
| rettv->vval.v_string = v; |
| else |
| rettv->vval.v_string = vim_strsave(p); |
| } |
| #else |
| # ifdef HAVE_READLINK |
| { |
| char_u buf[MAXPATHL + 1]; |
| char_u *cpy; |
| int len; |
| char_u *remain = NULL; |
| char_u *q; |
| int is_relative_to_current = FALSE; |
| int has_trailing_pathsep = FALSE; |
| int limit = 100; |
| |
| p = vim_strsave(p); |
| |
| if (p[0] == '.' && (vim_ispathsep(p[1]) |
| || (p[1] == '.' && (vim_ispathsep(p[2]))))) |
| is_relative_to_current = TRUE; |
| |
| len = STRLEN(p); |
| if (len > 0 && after_pathsep(p, p + len)) |
| has_trailing_pathsep = TRUE; |
| |
| q = getnextcomp(p); |
| if (*q != NUL) |
| { |
| /* Separate the first path component in "p", and keep the |
| * remainder (beginning with the path separator). */ |
| remain = vim_strsave(q - 1); |
| q[-1] = NUL; |
| } |
| |
| for (;;) |
| { |
| for (;;) |
| { |
| len = readlink((char *)p, (char *)buf, MAXPATHL); |
| if (len <= 0) |
| break; |
| buf[len] = NUL; |
| |
| if (limit-- == 0) |
| { |
| vim_free(p); |
| vim_free(remain); |
| EMSG(_("E655: Too many symbolic links (cycle?)")); |
| rettv->vval.v_string = NULL; |
| goto fail; |
| } |
| |
| /* Ensure that the result will have a trailing path separator |
| * if the argument has one. */ |
| if (remain == NULL && has_trailing_pathsep) |
| add_pathsep(buf); |
| |
| /* Separate the first path component in the link value and |
| * concatenate the remainders. */ |
| q = getnextcomp(vim_ispathsep(*buf) ? buf + 1 : buf); |
| if (*q != NUL) |
| { |
| if (remain == NULL) |
| remain = vim_strsave(q - 1); |
| else |
| { |
| cpy = vim_strnsave(q-1, STRLEN(q-1) + STRLEN(remain)); |
| if (cpy != NULL) |
| { |
| STRCAT(cpy, remain); |
| vim_free(remain); |
| remain = cpy; |
| } |
| } |
| q[-1] = NUL; |
| } |
| |
| q = gettail(p); |
| if (q > p && *q == NUL) |
| { |
| /* Ignore trailing path separator. */ |
| q[-1] = NUL; |
| q = gettail(p); |
| } |
| if (q > p && !mch_isFullName(buf)) |
| { |
| /* symlink is relative to directory of argument */ |
| cpy = alloc((unsigned)(STRLEN(p) + STRLEN(buf) + 1)); |
| if (cpy != NULL) |
| { |
| STRCPY(cpy, p); |
| STRCPY(gettail(cpy), buf); |
| vim_free(p); |
| p = cpy; |
| } |
| } |
| else |
| { |
| vim_free(p); |
| p = vim_strsave(buf); |
| } |
| } |
| |
| if (remain == NULL) |
| break; |
| |
| /* Append the first path component of "remain" to "p". */ |
| q = getnextcomp(remain + 1); |
| len = q - remain - (*q != NUL); |
| cpy = vim_strnsave(p, STRLEN(p) + len); |
| if (cpy != NULL) |
| { |
| STRNCAT(cpy, remain, len); |
| vim_free(p); |
| p = cpy; |
| } |
| /* Shorten "remain". */ |
| if (*q != NUL) |
| STRCPY(remain, q - 1); |
| else |
| { |
| vim_free(remain); |
| remain = NULL; |
| } |
| } |
| |
| /* If the result is a relative path name, make it explicitly relative to |
| * the current directory if and only if the argument had this form. */ |
| if (!vim_ispathsep(*p)) |
| { |
| if (is_relative_to_current |
| && *p != NUL |
| && !(p[0] == '.' |
| && (p[1] == NUL |
| || vim_ispathsep(p[1]) |
| || (p[1] == '.' |
| && (p[2] == NUL |
| || vim_ispathsep(p[2])))))) |
| { |
| /* Prepend "./". */ |
| cpy = concat_str((char_u *)"./", p); |
| if (cpy != NULL) |
| { |
| vim_free(p); |
| p = cpy; |
| } |
| } |
| else if (!is_relative_to_current) |
| { |
| /* Strip leading "./". */ |
| q = p; |
| while (q[0] == '.' && vim_ispathsep(q[1])) |
| q += 2; |
| if (q > p) |
| mch_memmove(p, p + 2, STRLEN(p + 2) + (size_t)1); |
| } |
| } |
| |
| /* Ensure that the result will have no trailing path separator |
| * if the argument had none. But keep "/" or "//". */ |
| if (!has_trailing_pathsep) |
| { |
| q = p + STRLEN(p); |
| if (after_pathsep(p, q)) |
| *gettail_sep(p) = NUL; |
| } |
| |
| rettv->vval.v_string = p; |
| } |
| # else |
| rettv->vval.v_string = vim_strsave(p); |
| # endif |
| #endif |
| |
| simplify_filename(rettv->vval.v_string); |
| |
| #ifdef HAVE_READLINK |
| fail: |
| #endif |
| rettv->v_type = VAR_STRING; |
| } |
| |
| /* |
| * "reverse({list})" function |
| */ |
| static void |
| f_reverse(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| list_T *l; |
| listitem_T *li, *ni; |
| |
| rettv->vval.v_number = 0; |
| if (argvars[0].v_type != VAR_LIST) |
| EMSG2(_(e_listarg), "reverse()"); |
| else if ((l = argvars[0].vval.v_list) != NULL |
| && !tv_check_lock(l->lv_lock, (char_u *)"reverse()")) |
| { |
| li = l->lv_last; |
| l->lv_first = l->lv_last = li; |
| while (li != NULL) |
| { |
| ni = li->li_prev; |
| list_append(l, li); |
| li = ni; |
| } |
| rettv->vval.v_list = l; |
| rettv->v_type = VAR_LIST; |
| ++l->lv_refcount; |
| } |
| } |
| |
| #define SP_NOMOVE 1 /* don't move cursor */ |
| #define SP_REPEAT 2 /* repeat to find outer pair */ |
| #define SP_RETCOUNT 4 /* return matchcount */ |
| |
| static int get_search_arg __ARGS((typval_T *varp, int *flagsp)); |
| |
| /* |
| * Get flags for a search function. |
| * Possibly sets "p_ws". |
| * Returns BACKWARD, FORWARD or zero (for an error). |
| */ |
| static int |
| get_search_arg(varp, flagsp) |
| typval_T *varp; |
| int *flagsp; |
| { |
| int dir = FORWARD; |
| char_u *flags; |
| char_u nbuf[NUMBUFLEN]; |
| int mask; |
| |
| if (varp->v_type != VAR_UNKNOWN) |
| { |
| flags = get_tv_string_buf(varp, nbuf); |
| while (*flags != NUL) |
| { |
| switch (*flags) |
| { |
| case 'b': dir = BACKWARD; break; |
| case 'w': p_ws = TRUE; break; |
| case 'W': p_ws = FALSE; break; |
| default: mask = 0; |
| if (flagsp != NULL) |
| switch (*flags) |
| { |
| case 'n': mask = SP_NOMOVE; break; |
| case 'r': mask = SP_REPEAT; break; |
| case 'm': mask = SP_RETCOUNT; break; |
| } |
| if (mask == 0) |
| { |
| EMSG2(_(e_invarg2), flags); |
| dir = 0; |
| } |
| else |
| *flagsp |= mask; |
| } |
| if (dir == 0) |
| break; |
| ++flags; |
| } |
| } |
| return dir; |
| } |
| |
| /* |
| * "search()" function |
| */ |
| static void |
| f_search(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *pat; |
| pos_T pos; |
| pos_T save_cursor; |
| int save_p_ws = p_ws; |
| int dir; |
| int flags = 0; |
| |
| rettv->vval.v_number = 0; /* default: FAIL */ |
| |
| pat = get_tv_string(&argvars[0]); |
| dir = get_search_arg(&argvars[1], &flags); /* may set p_ws */ |
| if (dir == 0) |
| goto theend; |
| if ((flags & ~SP_NOMOVE) != 0) |
| { |
| EMSG2(_(e_invarg2), get_tv_string(&argvars[1])); |
| goto theend; |
| } |
| |
| pos = save_cursor = curwin->w_cursor; |
| if (searchit(curwin, curbuf, &pos, dir, pat, 1L, |
| SEARCH_KEEP, RE_SEARCH) != FAIL) |
| { |
| rettv->vval.v_number = pos.lnum; |
| curwin->w_cursor = pos; |
| /* "/$" will put the cursor after the end of the line, may need to |
| * correct that here */ |
| check_cursor(); |
| } |
| |
| /* If 'n' flag is used: restore cursor position. */ |
| if (flags & SP_NOMOVE) |
| curwin->w_cursor = save_cursor; |
| theend: |
| p_ws = save_p_ws; |
| } |
| |
| /* |
| * "searchpair()" function |
| */ |
| static void |
| f_searchpair(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *spat, *mpat, *epat; |
| char_u *skip; |
| char_u *pat, *pat2, *pat3; |
| pos_T pos; |
| pos_T firstpos; |
| pos_T save_cursor; |
| pos_T save_pos; |
| int save_p_ws = p_ws; |
| char_u *save_cpo; |
| int dir; |
| int flags = 0; |
| char_u nbuf1[NUMBUFLEN]; |
| char_u nbuf2[NUMBUFLEN]; |
| char_u nbuf3[NUMBUFLEN]; |
| int n; |
| int r; |
| int nest = 1; |
| int err; |
| |
| rettv->vval.v_number = 0; /* default: FAIL */ |
| |
| /* Make 'cpoptions' empty, the 'l' flag should not be used here. */ |
| save_cpo = p_cpo; |
| p_cpo = (char_u *)""; |
| |
| /* Get the three pattern arguments: start, middle, end. */ |
| spat = get_tv_string(&argvars[0]); |
| mpat = get_tv_string_buf(&argvars[1], nbuf1); |
| epat = get_tv_string_buf(&argvars[2], nbuf2); |
| |
| /* Make two search patterns: start/end (pat2, for in nested pairs) and |
| * start/middle/end (pat3, for the top pair). */ |
| pat2 = alloc((unsigned)(STRLEN(spat) + STRLEN(epat) + 15)); |
| pat3 = alloc((unsigned)(STRLEN(spat) + STRLEN(mpat) + STRLEN(epat) + 23)); |
| if (pat2 == NULL || pat3 == NULL) |
| goto theend; |
| sprintf((char *)pat2, "\\(%s\\m\\)\\|\\(%s\\m\\)", spat, epat); |
| if (*mpat == NUL) |
| STRCPY(pat3, pat2); |
| else |
| sprintf((char *)pat3, "\\(%s\\m\\)\\|\\(%s\\m\\)\\|\\(%s\\m\\)", |
| spat, epat, mpat); |
| |
| /* Handle the optional fourth argument: flags */ |
| dir = get_search_arg(&argvars[3], &flags); /* may set p_ws */ |
| if (dir == 0) |
| goto theend; |
| |
| /* Optional fifth argument: skip expresion */ |
| if (argvars[3].v_type == VAR_UNKNOWN |
| || argvars[4].v_type == VAR_UNKNOWN) |
| skip = (char_u *)""; |
| else |
| skip = get_tv_string_buf(&argvars[4], nbuf3); |
| |
| save_cursor = curwin->w_cursor; |
| pos = curwin->w_cursor; |
| firstpos.lnum = 0; |
| pat = pat3; |
| for (;;) |
| { |
| n = searchit(curwin, curbuf, &pos, dir, pat, 1L, |
| SEARCH_KEEP, RE_SEARCH); |
| if (n == FAIL || (firstpos.lnum != 0 && equalpos(pos, firstpos))) |
| /* didn't find it or found the first match again: FAIL */ |
| break; |
| |
| if (firstpos.lnum == 0) |
| firstpos = pos; |
| |
| /* If the skip pattern matches, ignore this match. */ |
| if (*skip != NUL) |
| { |
| save_pos = curwin->w_cursor; |
| curwin->w_cursor = pos; |
| r = eval_to_bool(skip, &err, NULL, FALSE); |
| curwin->w_cursor = save_pos; |
| if (err) |
| { |
| /* Evaluating {skip} caused an error, break here. */ |
| curwin->w_cursor = save_cursor; |
| rettv->vval.v_number = -1; |
| break; |
| } |
| if (r) |
| continue; |
| } |
| |
| if ((dir == BACKWARD && n == 3) || (dir == FORWARD && n == 2)) |
| { |
| /* Found end when searching backwards or start when searching |
| * forward: nested pair. */ |
| ++nest; |
| pat = pat2; /* nested, don't search for middle */ |
| } |
| else |
| { |
| /* Found end when searching forward or start when searching |
| * backward: end of (nested) pair; or found middle in outer pair. */ |
| if (--nest == 1) |
| pat = pat3; /* outer level, search for middle */ |
| } |
| |
| if (nest == 0) |
| { |
| /* Found the match: return matchcount or line number. */ |
| if (flags & SP_RETCOUNT) |
| ++rettv->vval.v_number; |
| else |
| rettv->vval.v_number = pos.lnum; |
| curwin->w_cursor = pos; |
| if (!(flags & SP_REPEAT)) |
| break; |
| nest = 1; /* search for next unmatched */ |
| } |
| } |
| |
| /* If 'n' flag is used or search failed: restore cursor position. */ |
| if ((flags & SP_NOMOVE) || rettv->vval.v_number == 0) |
| curwin->w_cursor = save_cursor; |
| |
| theend: |
| vim_free(pat2); |
| vim_free(pat3); |
| p_ws = save_p_ws; |
| p_cpo = save_cpo; |
| } |
| |
| /*ARGSUSED*/ |
| static void |
| f_server2client(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_CLIENTSERVER |
| char_u buf[NUMBUFLEN]; |
| char_u *server = get_tv_string(&argvars[0]); |
| char_u *reply = get_tv_string_buf(&argvars[1], buf); |
| |
| rettv->vval.v_number = -1; |
| if (check_restricted() || check_secure()) |
| return; |
| # ifdef FEAT_X11 |
| if (check_connection() == FAIL) |
| return; |
| # endif |
| |
| if (serverSendReply(server, reply) < 0) |
| { |
| EMSG(_("E258: Unable to send to client")); |
| return; |
| } |
| rettv->vval.v_number = 0; |
| #else |
| rettv->vval.v_number = -1; |
| #endif |
| } |
| |
| /*ARGSUSED*/ |
| static void |
| f_serverlist(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *r = NULL; |
| |
| #ifdef FEAT_CLIENTSERVER |
| # ifdef WIN32 |
| r = serverGetVimNames(); |
| # else |
| make_connection(); |
| if (X_DISPLAY != NULL) |
| r = serverGetVimNames(X_DISPLAY); |
| # endif |
| #endif |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = r; |
| } |
| |
| /* |
| * "setbufvar()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_setbufvar(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| buf_T *buf; |
| #ifdef FEAT_AUTOCMD |
| aco_save_T aco; |
| #else |
| buf_T *save_curbuf; |
| #endif |
| char_u *varname, *bufvarname; |
| typval_T *varp; |
| char_u nbuf[NUMBUFLEN]; |
| |
| if (check_restricted() || check_secure()) |
| return; |
| ++emsg_off; |
| buf = get_buf_tv(&argvars[0]); |
| varname = get_tv_string(&argvars[1]); |
| varp = &argvars[2]; |
| |
| if (buf != NULL && varname != NULL && varp != NULL) |
| { |
| /* set curbuf to be our buf, temporarily */ |
| #ifdef FEAT_AUTOCMD |
| aucmd_prepbuf(&aco, buf); |
| #else |
| save_curbuf = curbuf; |
| curbuf = buf; |
| #endif |
| |
| if (*varname == '&') |
| { |
| ++varname; |
| set_option_value(varname, get_tv_number(varp), |
| get_tv_string_buf(varp, nbuf), OPT_LOCAL); |
| } |
| else |
| { |
| bufvarname = alloc((unsigned)STRLEN(varname) + 3); |
| if (bufvarname != NULL) |
| { |
| STRCPY(bufvarname, "b:"); |
| STRCPY(bufvarname + 2, varname); |
| set_var(bufvarname, varp, TRUE); |
| vim_free(bufvarname); |
| } |
| } |
| |
| /* reset notion of buffer */ |
| #ifdef FEAT_AUTOCMD |
| aucmd_restbuf(&aco); |
| #else |
| curbuf = save_curbuf; |
| #endif |
| } |
| --emsg_off; |
| } |
| |
| /* |
| * "setcmdpos()" function |
| */ |
| static void |
| f_setcmdpos(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = set_cmdline_pos( |
| (int)get_tv_number(&argvars[0]) - 1); |
| } |
| |
| /* |
| * "setline()" function |
| */ |
| static void |
| f_setline(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| linenr_T lnum; |
| char_u *line; |
| |
| lnum = get_tv_lnum(argvars); |
| line = get_tv_string(&argvars[1]); |
| rettv->vval.v_number = 1; /* FAIL is default */ |
| |
| if (lnum >= 1 |
| && lnum <= curbuf->b_ml.ml_line_count |
| && u_savesub(lnum) == OK |
| && ml_replace(lnum, line, TRUE) == OK) |
| { |
| changed_bytes(lnum, 0); |
| check_cursor_col(); |
| rettv->vval.v_number = 0; |
| } |
| } |
| |
| /* |
| * "setreg()" function |
| */ |
| static void |
| f_setreg(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| int regname; |
| char_u *strregname; |
| char_u *stropt; |
| int append; |
| char_u yank_type; |
| long block_len; |
| |
| block_len = -1; |
| yank_type = MAUTO; |
| append = FALSE; |
| |
| strregname = get_tv_string(argvars); |
| rettv->vval.v_number = 1; /* FAIL is default */ |
| |
| regname = (strregname == NULL ? '"' : *strregname); |
| if (regname == 0 || regname == '@') |
| regname = '"'; |
| else if (regname == '=') |
| return; |
| |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| { |
| for (stropt = get_tv_string(&argvars[2]); *stropt != NUL; ++stropt) |
| switch (*stropt) |
| { |
| case 'a': case 'A': /* append */ |
| append = TRUE; |
| break; |
| case 'v': case 'c': /* character-wise selection */ |
| yank_type = MCHAR; |
| break; |
| case 'V': case 'l': /* line-wise selection */ |
| yank_type = MLINE; |
| break; |
| #ifdef FEAT_VISUAL |
| case 'b': case Ctrl_V: /* block-wise selection */ |
| yank_type = MBLOCK; |
| if (VIM_ISDIGIT(stropt[1])) |
| { |
| ++stropt; |
| block_len = getdigits(&stropt) - 1; |
| --stropt; |
| } |
| break; |
| #endif |
| } |
| } |
| |
| write_reg_contents_ex(regname, get_tv_string(&argvars[1]), -1, |
| append, yank_type, block_len); |
| rettv->vval.v_number = 0; |
| } |
| |
| |
| /* |
| * "setwinvar(expr)" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_setwinvar(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| win_T *win; |
| #ifdef FEAT_WINDOWS |
| win_T *save_curwin; |
| #endif |
| char_u *varname, *winvarname; |
| typval_T *varp; |
| char_u nbuf[NUMBUFLEN]; |
| |
| if (check_restricted() || check_secure()) |
| return; |
| ++emsg_off; |
| win = find_win_by_nr(&argvars[0]); |
| varname = get_tv_string(&argvars[1]); |
| varp = &argvars[2]; |
| |
| if (win != NULL && varname != NULL && varp != NULL) |
| { |
| #ifdef FEAT_WINDOWS |
| /* set curwin to be our win, temporarily */ |
| save_curwin = curwin; |
| curwin = win; |
| curbuf = curwin->w_buffer; |
| #endif |
| |
| if (*varname == '&') |
| { |
| ++varname; |
| set_option_value(varname, get_tv_number(varp), |
| get_tv_string_buf(varp, nbuf), OPT_LOCAL); |
| } |
| else |
| { |
| winvarname = alloc((unsigned)STRLEN(varname) + 3); |
| if (winvarname != NULL) |
| { |
| STRCPY(winvarname, "w:"); |
| STRCPY(winvarname + 2, varname); |
| set_var(winvarname, varp, TRUE); |
| vim_free(winvarname); |
| } |
| } |
| |
| #ifdef FEAT_WINDOWS |
| /* Restore current window, if it's still valid (autocomands can make |
| * it invalid). */ |
| if (win_valid(save_curwin)) |
| { |
| curwin = save_curwin; |
| curbuf = curwin->w_buffer; |
| } |
| #endif |
| } |
| --emsg_off; |
| } |
| |
| /* |
| * "simplify()" function |
| */ |
| static void |
| f_simplify(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *p; |
| |
| p = get_tv_string(&argvars[0]); |
| rettv->vval.v_string = vim_strsave(p); |
| simplify_filename(rettv->vval.v_string); /* simplify in place */ |
| rettv->v_type = VAR_STRING; |
| } |
| |
| static int |
| #ifdef __BORLANDC__ |
| _RTLENTRYF |
| #endif |
| item_compare __ARGS((const void *s1, const void *s2)); |
| static int |
| #ifdef __BORLANDC__ |
| _RTLENTRYF |
| #endif |
| item_compare2 __ARGS((const void *s1, const void *s2)); |
| |
| static int item_compare_ic; |
| static char_u *item_compare_func; |
| #define ITEM_COMPARE_FAIL 999 |
| |
| /* |
| * Compare functions for f_sort() below. |
| */ |
| static int |
| #ifdef __BORLANDC__ |
| _RTLENTRYF |
| #endif |
| item_compare(s1, s2) |
| const void *s1; |
| const void *s2; |
| { |
| char_u *p1, *p2; |
| char_u *tofree1, *tofree2; |
| int res; |
| char_u numbuf1[NUMBUFLEN]; |
| char_u numbuf2[NUMBUFLEN]; |
| |
| p1 = tv2string(&(*(listitem_T **)s1)->li_tv, &tofree1, numbuf1); |
| p2 = tv2string(&(*(listitem_T **)s2)->li_tv, &tofree2, numbuf2); |
| if (item_compare_ic) |
| res = STRICMP(p1, p2); |
| else |
| res = STRCMP(p1, p2); |
| vim_free(tofree1); |
| vim_free(tofree2); |
| return res; |
| } |
| |
| static int |
| #ifdef __BORLANDC__ |
| _RTLENTRYF |
| #endif |
| item_compare2(s1, s2) |
| const void *s1; |
| const void *s2; |
| { |
| int res; |
| typval_T rettv; |
| typval_T argv[2]; |
| int dummy; |
| |
| /* copy the values. This is needed to be able to set v_lock to VAR_FIXED |
| * in the copy without changing the original list items. */ |
| copy_tv(&(*(listitem_T **)s1)->li_tv, &argv[0]); |
| copy_tv(&(*(listitem_T **)s2)->li_tv, &argv[1]); |
| |
| rettv.v_type = VAR_UNKNOWN; /* clear_tv() uses this */ |
| res = call_func(item_compare_func, STRLEN(item_compare_func), |
| &rettv, 2, argv, 0L, 0L, &dummy, TRUE, NULL); |
| clear_tv(&argv[0]); |
| clear_tv(&argv[1]); |
| |
| if (res == FAIL) |
| res = ITEM_COMPARE_FAIL; |
| else |
| res = get_tv_number(&rettv); |
| clear_tv(&rettv); |
| return res; |
| } |
| |
| /* |
| * "sort({list})" function |
| */ |
| static void |
| f_sort(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| list_T *l; |
| listitem_T *li; |
| listitem_T **ptrs; |
| long len; |
| long i; |
| |
| rettv->vval.v_number = 0; |
| if (argvars[0].v_type != VAR_LIST) |
| EMSG2(_(e_listarg), "sort()"); |
| else |
| { |
| l = argvars[0].vval.v_list; |
| if (l == NULL || tv_check_lock(l->lv_lock, (char_u *)"sort()")) |
| return; |
| rettv->vval.v_list = l; |
| rettv->v_type = VAR_LIST; |
| ++l->lv_refcount; |
| |
| len = list_len(l); |
| if (len <= 1) |
| return; /* short list sorts pretty quickly */ |
| |
| item_compare_ic = FALSE; |
| item_compare_func = NULL; |
| if (argvars[1].v_type != VAR_UNKNOWN) |
| { |
| if (argvars[1].v_type == VAR_FUNC) |
| item_compare_func = argvars[0].vval.v_string; |
| else |
| { |
| i = get_tv_number(&argvars[1]); |
| if (i == 1) |
| item_compare_ic = TRUE; |
| else |
| item_compare_func = get_tv_string(&argvars[1]); |
| } |
| } |
| |
| /* Make an array with each entry pointing to an item in the List. */ |
| ptrs = (listitem_T **)alloc((int)(len * sizeof(listitem_T *))); |
| if (ptrs == NULL) |
| return; |
| i = 0; |
| for (li = l->lv_first; li != NULL; li = li->li_next) |
| ptrs[i++] = li; |
| |
| /* test the compare function */ |
| if (item_compare_func != NULL |
| && item_compare2((void *)&ptrs[0], (void *)&ptrs[1]) |
| == ITEM_COMPARE_FAIL) |
| EMSG(_("E702: Sort compare function failed")); |
| else |
| { |
| /* Sort the array with item pointers. */ |
| qsort((void *)ptrs, (size_t)len, sizeof(listitem_T *), |
| item_compare_func == NULL ? item_compare : item_compare2); |
| |
| /* Clear the List and append the items in the sorted order. */ |
| l->lv_first = l->lv_last = NULL; |
| for (i = 0; i < len; ++i) |
| list_append(l, ptrs[i]); |
| } |
| |
| vim_free(ptrs); |
| } |
| } |
| |
| static void |
| f_split(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *str; |
| char_u *end; |
| char_u *pat; |
| regmatch_T regmatch; |
| char_u patbuf[NUMBUFLEN]; |
| char_u *save_cpo; |
| int match; |
| listitem_T *ni; |
| list_T *l; |
| colnr_T col = 0; |
| |
| /* Make 'cpoptions' empty, the 'l' flag should not be used here. */ |
| save_cpo = p_cpo; |
| p_cpo = (char_u *)""; |
| |
| str = get_tv_string(&argvars[0]); |
| if (argvars[1].v_type == VAR_UNKNOWN) |
| pat = (char_u *)"[\\x01- ]\\+"; |
| else |
| pat = get_tv_string_buf(&argvars[1], patbuf); |
| |
| l = list_alloc(); |
| if (l == NULL) |
| return; |
| rettv->v_type = VAR_LIST; |
| rettv->vval.v_list = l; |
| ++l->lv_refcount; |
| |
| regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING); |
| if (regmatch.regprog != NULL) |
| { |
| regmatch.rm_ic = FALSE; |
| while (*str != NUL) |
| { |
| match = vim_regexec_nl(®match, str, col); |
| if (match) |
| end = regmatch.startp[0]; |
| else |
| end = str + STRLEN(str); |
| if (end > str) |
| { |
| ni = listitem_alloc(); |
| if (ni == NULL) |
| break; |
| ni->li_tv.v_type = VAR_STRING; |
| ni->li_tv.v_lock = 0; |
| ni->li_tv.vval.v_string = vim_strnsave(str, end - str); |
| list_append(l, ni); |
| } |
| if (!match) |
| break; |
| /* Advance to just after the match. */ |
| if (regmatch.endp[0] > str) |
| col = 0; |
| else |
| { |
| /* Don't get stuck at the same match. */ |
| #ifdef FEAT_MBYTE |
| col = mb_ptr2len_check(regmatch.endp[0]); |
| #else |
| col = 1; |
| #endif |
| } |
| str = regmatch.endp[0]; |
| } |
| |
| vim_free(regmatch.regprog); |
| } |
| |
| p_cpo = save_cpo; |
| } |
| |
| #ifdef HAVE_STRFTIME |
| /* |
| * "strftime({format}[, {time}])" function |
| */ |
| static void |
| f_strftime(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u result_buf[256]; |
| struct tm *curtime; |
| time_t seconds; |
| char_u *p; |
| |
| rettv->v_type = VAR_STRING; |
| |
| p = get_tv_string(&argvars[0]); |
| if (argvars[1].v_type == VAR_UNKNOWN) |
| seconds = time(NULL); |
| else |
| seconds = (time_t)get_tv_number(&argvars[1]); |
| curtime = localtime(&seconds); |
| /* MSVC returns NULL for an invalid value of seconds. */ |
| if (curtime == NULL) |
| rettv->vval.v_string = vim_strsave((char_u *)_("(Invalid)")); |
| else |
| { |
| # ifdef FEAT_MBYTE |
| vimconv_T conv; |
| char_u *enc; |
| |
| conv.vc_type = CONV_NONE; |
| enc = enc_locale(); |
| convert_setup(&conv, p_enc, enc); |
| if (conv.vc_type != CONV_NONE) |
| p = string_convert(&conv, p, NULL); |
| # endif |
| if (p != NULL) |
| (void)strftime((char *)result_buf, sizeof(result_buf), |
| (char *)p, curtime); |
| else |
| result_buf[0] = NUL; |
| |
| # ifdef FEAT_MBYTE |
| if (conv.vc_type != CONV_NONE) |
| vim_free(p); |
| convert_setup(&conv, enc, p_enc); |
| if (conv.vc_type != CONV_NONE) |
| rettv->vval.v_string = string_convert(&conv, result_buf, NULL); |
| else |
| # endif |
| rettv->vval.v_string = vim_strsave(result_buf); |
| |
| # ifdef FEAT_MBYTE |
| /* Release conversion descriptors */ |
| convert_setup(&conv, NULL, NULL); |
| vim_free(enc); |
| # endif |
| } |
| } |
| #endif |
| |
| /* |
| * "stridx()" function |
| */ |
| static void |
| f_stridx(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u buf[NUMBUFLEN]; |
| char_u *needle; |
| char_u *haystack; |
| char_u *save_haystack; |
| char_u *pos; |
| int start_idx; |
| |
| needle = get_tv_string(&argvars[1]); |
| save_haystack = haystack = get_tv_string_buf(&argvars[0], buf); |
| rettv->vval.v_number = -1; |
| |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| { |
| start_idx = get_tv_number(&argvars[2]); |
| if (start_idx >= (int)STRLEN(haystack)) |
| return; |
| if (start_idx >= 0) |
| haystack += start_idx; |
| } |
| |
| pos = (char_u *)strstr((char *)haystack, (char *)needle); |
| if (pos != NULL) |
| rettv->vval.v_number = (varnumber_T)(pos - save_haystack); |
| } |
| |
| /* |
| * "string()" function |
| */ |
| static void |
| f_string(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *tofree; |
| char_u numbuf[NUMBUFLEN]; |
| |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = tv2string(&argvars[0], &tofree, numbuf); |
| if (tofree == NULL) |
| rettv->vval.v_string = vim_strsave(rettv->vval.v_string); |
| } |
| |
| /* |
| * "strlen()" function |
| */ |
| static void |
| f_strlen(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->vval.v_number = (varnumber_T)(STRLEN( |
| get_tv_string(&argvars[0]))); |
| } |
| |
| /* |
| * "strpart()" function |
| */ |
| static void |
| f_strpart(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *p; |
| int n; |
| int len; |
| int slen; |
| |
| p = get_tv_string(&argvars[0]); |
| slen = (int)STRLEN(p); |
| |
| n = get_tv_number(&argvars[1]); |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| len = get_tv_number(&argvars[2]); |
| else |
| len = slen - n; /* default len: all bytes that are available. */ |
| |
| /* |
| * Only return the overlap between the specified part and the actual |
| * string. |
| */ |
| if (n < 0) |
| { |
| len += n; |
| n = 0; |
| } |
| else if (n > slen) |
| n = slen; |
| if (len < 0) |
| len = 0; |
| else if (n + len > slen) |
| len = slen - n; |
| |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = vim_strnsave(p + n, len); |
| } |
| |
| /* |
| * "strridx()" function |
| */ |
| static void |
| f_strridx(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u buf[NUMBUFLEN]; |
| char_u *needle; |
| char_u *haystack; |
| char_u *rest; |
| char_u *lastmatch = NULL; |
| int haystack_len, end_idx; |
| |
| needle = get_tv_string(&argvars[1]); |
| haystack = get_tv_string_buf(&argvars[0], buf); |
| haystack_len = STRLEN(haystack); |
| if (*needle == NUL) |
| /* Empty string matches past the end. */ |
| lastmatch = haystack + haystack_len; |
| else |
| { |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| { |
| /* Third argument: upper limit for index */ |
| end_idx = get_tv_number(&argvars[2]); |
| if (end_idx < 0) |
| { |
| /* can never find a match */ |
| rettv->vval.v_number = -1; |
| return; |
| } |
| } |
| else |
| end_idx = haystack_len; |
| |
| for (rest = haystack; *rest != '\0'; ++rest) |
| { |
| rest = (char_u *)strstr((char *)rest, (char *)needle); |
| if (rest == NULL || rest > haystack + end_idx) |
| break; |
| lastmatch = rest; |
| } |
| } |
| |
| if (lastmatch == NULL) |
| rettv->vval.v_number = -1; |
| else |
| rettv->vval.v_number = (varnumber_T)(lastmatch - haystack); |
| } |
| |
| /* |
| * "strtrans()" function |
| */ |
| static void |
| f_strtrans(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = transstr(get_tv_string(&argvars[0])); |
| } |
| |
| /* |
| * "submatch()" function |
| */ |
| static void |
| f_submatch(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = reg_submatch((int)get_tv_number(&argvars[0])); |
| } |
| |
| /* |
| * "substitute()" function |
| */ |
| static void |
| f_substitute(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u patbuf[NUMBUFLEN]; |
| char_u subbuf[NUMBUFLEN]; |
| char_u flagsbuf[NUMBUFLEN]; |
| |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = do_string_sub( |
| get_tv_string(&argvars[0]), |
| get_tv_string_buf(&argvars[1], patbuf), |
| get_tv_string_buf(&argvars[2], subbuf), |
| get_tv_string_buf(&argvars[3], flagsbuf)); |
| } |
| |
| /* |
| * "synID(line, col, trans)" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_synID(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| int id = 0; |
| #ifdef FEAT_SYN_HL |
| long line; |
| long col; |
| int trans; |
| |
| line = get_tv_lnum(argvars); |
| col = get_tv_number(&argvars[1]) - 1; |
| trans = get_tv_number(&argvars[2]); |
| |
| if (line >= 1 && line <= curbuf->b_ml.ml_line_count |
| && col >= 0 && col < (long)STRLEN(ml_get(line))) |
| id = syn_get_id(line, col, trans); |
| #endif |
| |
| rettv->vval.v_number = id; |
| } |
| |
| /* |
| * "synIDattr(id, what [, mode])" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_synIDattr(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *p = NULL; |
| #ifdef FEAT_SYN_HL |
| int id; |
| char_u *what; |
| char_u *mode; |
| char_u modebuf[NUMBUFLEN]; |
| int modec; |
| |
| id = get_tv_number(&argvars[0]); |
| what = get_tv_string(&argvars[1]); |
| if (argvars[2].v_type != VAR_UNKNOWN) |
| { |
| mode = get_tv_string_buf(&argvars[2], modebuf); |
| modec = TOLOWER_ASC(mode[0]); |
| if (modec != 't' && modec != 'c' |
| #ifdef FEAT_GUI |
| && modec != 'g' |
| #endif |
| ) |
| modec = 0; /* replace invalid with current */ |
| } |
| else |
| { |
| #ifdef FEAT_GUI |
| if (gui.in_use) |
| modec = 'g'; |
| else |
| #endif |
| if (t_colors > 1) |
| modec = 'c'; |
| else |
| modec = 't'; |
| } |
| |
| |
| switch (TOLOWER_ASC(what[0])) |
| { |
| case 'b': |
| if (TOLOWER_ASC(what[1]) == 'g') /* bg[#] */ |
| p = highlight_color(id, what, modec); |
| else /* bold */ |
| p = highlight_has_attr(id, HL_BOLD, modec); |
| break; |
| |
| case 'f': /* fg[#] */ |
| p = highlight_color(id, what, modec); |
| break; |
| |
| case 'i': |
| if (TOLOWER_ASC(what[1]) == 'n') /* inverse */ |
| p = highlight_has_attr(id, HL_INVERSE, modec); |
| else /* italic */ |
| p = highlight_has_attr(id, HL_ITALIC, modec); |
| break; |
| |
| case 'n': /* name */ |
| p = get_highlight_name(NULL, id - 1); |
| break; |
| |
| case 'r': /* reverse */ |
| p = highlight_has_attr(id, HL_INVERSE, modec); |
| break; |
| |
| case 's': /* standout */ |
| p = highlight_has_attr(id, HL_STANDOUT, modec); |
| break; |
| |
| case 'u': /* underline */ |
| p = highlight_has_attr(id, HL_UNDERLINE, modec); |
| break; |
| } |
| |
| if (p != NULL) |
| p = vim_strsave(p); |
| #endif |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = p; |
| } |
| |
| /* |
| * "synIDtrans(id)" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_synIDtrans(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| int id; |
| |
| #ifdef FEAT_SYN_HL |
| id = get_tv_number(&argvars[0]); |
| |
| if (id > 0) |
| id = syn_get_final_id(id); |
| else |
| #endif |
| id = 0; |
| |
| rettv->vval.v_number = id; |
| } |
| |
| /* |
| * "system()" function |
| */ |
| static void |
| f_system(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *res = NULL; |
| char_u *p; |
| char_u *infile = NULL; |
| char_u buf[NUMBUFLEN]; |
| int err = FALSE; |
| FILE *fd; |
| |
| if (argvars[1].v_type != VAR_UNKNOWN) |
| { |
| /* |
| * Write the string to a temp file, to be used for input of the shell |
| * command. |
| */ |
| if ((infile = vim_tempname('i')) == NULL) |
| { |
| EMSG(_(e_notmp)); |
| return; |
| } |
| |
| fd = mch_fopen((char *)infile, WRITEBIN); |
| if (fd == NULL) |
| { |
| EMSG2(_(e_notopen), infile); |
| goto done; |
| } |
| p = get_tv_string_buf(&argvars[1], buf); |
| if (fwrite(p, STRLEN(p), 1, fd) != 1) |
| err = TRUE; |
| if (fclose(fd) != 0) |
| err = TRUE; |
| if (err) |
| { |
| EMSG(_("E677: Error writing temp file")); |
| goto done; |
| } |
| } |
| |
| res = get_cmd_output(get_tv_string(&argvars[0]), infile, SHELL_SILENT); |
| |
| #ifdef USE_CR |
| /* translate <CR> into <NL> */ |
| if (res != NULL) |
| { |
| char_u *s; |
| |
| for (s = res; *s; ++s) |
| { |
| if (*s == CAR) |
| *s = NL; |
| } |
| } |
| #else |
| # ifdef USE_CRNL |
| /* translate <CR><NL> into <NL> */ |
| if (res != NULL) |
| { |
| char_u *s, *d; |
| |
| d = res; |
| for (s = res; *s; ++s) |
| { |
| if (s[0] == CAR && s[1] == NL) |
| ++s; |
| *d++ = *s; |
| } |
| *d = NUL; |
| } |
| # endif |
| #endif |
| |
| done: |
| if (infile != NULL) |
| { |
| mch_remove(infile); |
| vim_free(infile); |
| } |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = res; |
| } |
| |
| /* |
| * "tempname()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_tempname(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| static int x = 'A'; |
| |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = vim_tempname(x); |
| |
| /* Advance 'x' to use A-Z and 0-9, so that there are at least 34 different |
| * names. Skip 'I' and 'O', they are used for shell redirection. */ |
| do |
| { |
| if (x == 'Z') |
| x = '0'; |
| else if (x == '9') |
| x = 'A'; |
| else |
| { |
| #ifdef EBCDIC |
| if (x == 'I') |
| x = 'J'; |
| else if (x == 'R') |
| x = 'S'; |
| else |
| #endif |
| ++x; |
| } |
| } while (x == 'I' || x == 'O'); |
| } |
| |
| /* |
| * "tolower(string)" function |
| */ |
| static void |
| f_tolower(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *p; |
| |
| p = vim_strsave(get_tv_string(&argvars[0])); |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = p; |
| |
| if (p != NULL) |
| while (*p != NUL) |
| { |
| #ifdef FEAT_MBYTE |
| int l; |
| |
| if (enc_utf8) |
| { |
| int c, lc; |
| |
| c = utf_ptr2char(p); |
| lc = utf_tolower(c); |
| l = utf_ptr2len_check(p); |
| /* TODO: reallocate string when byte count changes. */ |
| if (utf_char2len(lc) == l) |
| utf_char2bytes(lc, p); |
| p += l; |
| } |
| else if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1) |
| p += l; /* skip multi-byte character */ |
| else |
| #endif |
| { |
| *p = TOLOWER_LOC(*p); /* note that tolower() can be a macro */ |
| ++p; |
| } |
| } |
| } |
| |
| /* |
| * "toupper(string)" function |
| */ |
| static void |
| f_toupper(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *p; |
| |
| p = vim_strsave(get_tv_string(&argvars[0])); |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = p; |
| |
| if (p != NULL) |
| while (*p != NUL) |
| { |
| #ifdef FEAT_MBYTE |
| int l; |
| |
| if (enc_utf8) |
| { |
| int c, uc; |
| |
| c = utf_ptr2char(p); |
| uc = utf_toupper(c); |
| l = utf_ptr2len_check(p); |
| /* TODO: reallocate string when byte count changes. */ |
| if (utf_char2len(uc) == l) |
| utf_char2bytes(uc, p); |
| p += l; |
| } |
| else if (has_mbyte && (l = (*mb_ptr2len_check)(p)) > 1) |
| p += l; /* skip multi-byte character */ |
| else |
| #endif |
| { |
| *p = TOUPPER_LOC(*p); /* note that toupper() can be a macro */ |
| p++; |
| } |
| } |
| } |
| |
| /* |
| * "tr(string, fromstr, tostr)" function |
| */ |
| static void |
| f_tr(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| char_u *instr; |
| char_u *fromstr; |
| char_u *tostr; |
| char_u *p; |
| #ifdef FEAT_MBYTE |
| int inlen; |
| int fromlen; |
| int tolen; |
| int idx; |
| char_u *cpstr; |
| int cplen; |
| int first = TRUE; |
| #endif |
| char_u buf[NUMBUFLEN]; |
| char_u buf2[NUMBUFLEN]; |
| garray_T ga; |
| |
| instr = get_tv_string(&argvars[0]); |
| fromstr = get_tv_string_buf(&argvars[1], buf); |
| tostr = get_tv_string_buf(&argvars[2], buf2); |
| |
| /* Default return value: empty string. */ |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = NULL; |
| ga_init2(&ga, (int)sizeof(char), 80); |
| |
| #ifdef FEAT_MBYTE |
| if (!has_mbyte) |
| #endif |
| /* not multi-byte: fromstr and tostr must be the same length */ |
| if (STRLEN(fromstr) != STRLEN(tostr)) |
| { |
| #ifdef FEAT_MBYTE |
| error: |
| #endif |
| EMSG2(_(e_invarg2), fromstr); |
| ga_clear(&ga); |
| return; |
| } |
| |
| /* fromstr and tostr have to contain the same number of chars */ |
| while (*instr != NUL) |
| { |
| #ifdef FEAT_MBYTE |
| if (has_mbyte) |
| { |
| inlen = mb_ptr2len_check(instr); |
| cpstr = instr; |
| cplen = inlen; |
| idx = 0; |
| for (p = fromstr; *p != NUL; p += fromlen) |
| { |
| fromlen = mb_ptr2len_check(p); |
| if (fromlen == inlen && STRNCMP(instr, p, inlen) == 0) |
| { |
| for (p = tostr; *p != NUL; p += tolen) |
| { |
| tolen = mb_ptr2len_check(p); |
| if (idx-- == 0) |
| { |
| cplen = tolen; |
| cpstr = p; |
| break; |
| } |
| } |
| if (*p == NUL) /* tostr is shorter than fromstr */ |
| goto error; |
| break; |
| } |
| ++idx; |
| } |
| |
| if (first && cpstr == instr) |
| { |
| /* Check that fromstr and tostr have the same number of |
| * (multi-byte) characters. Done only once when a character |
| * of instr doesn't appear in fromstr. */ |
| first = FALSE; |
| for (p = tostr; *p != NUL; p += tolen) |
| { |
| tolen = mb_ptr2len_check(p); |
| --idx; |
| } |
| if (idx != 0) |
| goto error; |
| } |
| |
| ga_grow(&ga, cplen); |
| mch_memmove((char *)ga.ga_data + ga.ga_len, cpstr, (size_t)cplen); |
| ga.ga_len += cplen; |
| |
| instr += inlen; |
| } |
| else |
| #endif |
| { |
| /* When not using multi-byte chars we can do it faster. */ |
| p = vim_strchr(fromstr, *instr); |
| if (p != NULL) |
| ga_append(&ga, tostr[p - fromstr]); |
| else |
| ga_append(&ga, *instr); |
| ++instr; |
| } |
| } |
| |
| rettv->vval.v_string = ga.ga_data; |
| } |
| |
| /* |
| * "type(expr)" function |
| */ |
| static void |
| f_type(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| int n; |
| |
| switch (argvars[0].v_type) |
| { |
| case VAR_NUMBER: n = 0; break; |
| case VAR_STRING: n = 1; break; |
| case VAR_FUNC: n = 2; break; |
| case VAR_LIST: n = 3; break; |
| default: EMSG2(_(e_intern2), "f_type()"); n = 0; break; |
| } |
| rettv->vval.v_number = n; |
| } |
| |
| /* |
| * "values(dict)" function |
| */ |
| static void |
| f_values(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| dict_list(argvars, rettv, 1); |
| } |
| |
| /* |
| * "virtcol(string)" function |
| */ |
| static void |
| f_virtcol(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| colnr_T vcol = 0; |
| pos_T *fp; |
| |
| fp = var2fpos(&argvars[0], FALSE); |
| if (fp != NULL && fp->lnum <= curbuf->b_ml.ml_line_count) |
| { |
| getvvcol(curwin, fp, NULL, NULL, &vcol); |
| ++vcol; |
| } |
| |
| rettv->vval.v_number = vcol; |
| } |
| |
| /* |
| * "visualmode()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_visualmode(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_VISUAL |
| char_u str[2]; |
| |
| rettv->v_type = VAR_STRING; |
| str[0] = curbuf->b_visual_mode_eval; |
| str[1] = NUL; |
| rettv->vval.v_string = vim_strsave(str); |
| |
| /* A non-zero number or non-empty string argument: reset mode. */ |
| if ((argvars[0].v_type == VAR_NUMBER |
| && argvars[0].vval.v_number != 0) |
| || (argvars[0].v_type == VAR_STRING |
| && *get_tv_string(&argvars[0]) != NUL)) |
| curbuf->b_visual_mode_eval = NUL; |
| #else |
| rettv->vval.v_number = 0; /* return anything, it won't work anyway */ |
| #endif |
| } |
| |
| /* |
| * "winbufnr(nr)" function |
| */ |
| static void |
| f_winbufnr(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| win_T *wp; |
| |
| wp = find_win_by_nr(&argvars[0]); |
| if (wp == NULL) |
| rettv->vval.v_number = -1; |
| else |
| rettv->vval.v_number = wp->w_buffer->b_fnum; |
| } |
| |
| /* |
| * "wincol()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_wincol(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| validate_cursor(); |
| rettv->vval.v_number = curwin->w_wcol + 1; |
| } |
| |
| /* |
| * "winheight(nr)" function |
| */ |
| static void |
| f_winheight(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| win_T *wp; |
| |
| wp = find_win_by_nr(&argvars[0]); |
| if (wp == NULL) |
| rettv->vval.v_number = -1; |
| else |
| rettv->vval.v_number = wp->w_height; |
| } |
| |
| /* |
| * "winline()" function |
| */ |
| /*ARGSUSED*/ |
| static void |
| f_winline(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| validate_cursor(); |
| rettv->vval.v_number = curwin->w_wrow + 1; |
| } |
| |
| /* |
| * "winnr()" function |
| */ |
| /* ARGSUSED */ |
| static void |
| f_winnr(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| int nr = 1; |
| #ifdef FEAT_WINDOWS |
| win_T *wp; |
| win_T *twin = curwin; |
| char_u *arg; |
| |
| if (argvars[0].v_type != VAR_UNKNOWN) |
| { |
| arg = get_tv_string(&argvars[0]); |
| if (STRCMP(arg, "$") == 0) |
| twin = lastwin; |
| else if (STRCMP(arg, "#") == 0) |
| { |
| twin = prevwin; |
| if (prevwin == NULL) |
| nr = 0; |
| } |
| else |
| { |
| EMSG2(_(e_invexpr2), arg); |
| nr = 0; |
| } |
| } |
| |
| if (nr > 0) |
| for (wp = firstwin; wp != twin; wp = wp->w_next) |
| ++nr; |
| #endif |
| rettv->vval.v_number = nr; |
| } |
| |
| /* |
| * "winrestcmd()" function |
| */ |
| /* ARGSUSED */ |
| static void |
| f_winrestcmd(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| #ifdef FEAT_WINDOWS |
| win_T *wp; |
| int winnr = 1; |
| garray_T ga; |
| char_u buf[50]; |
| |
| ga_init2(&ga, (int)sizeof(char), 70); |
| for (wp = firstwin; wp != NULL; wp = wp->w_next) |
| { |
| sprintf((char *)buf, "%dresize %d|", winnr, wp->w_height); |
| ga_concat(&ga, buf); |
| # ifdef FEAT_VERTSPLIT |
| sprintf((char *)buf, "vert %dresize %d|", winnr, wp->w_width); |
| ga_concat(&ga, buf); |
| # endif |
| ++winnr; |
| } |
| ga_append(&ga, NUL); |
| |
| rettv->vval.v_string = ga.ga_data; |
| #else |
| rettv->vval.v_string = NULL; |
| #endif |
| rettv->v_type = VAR_STRING; |
| } |
| |
| /* |
| * "winwidth(nr)" function |
| */ |
| static void |
| f_winwidth(argvars, rettv) |
| typval_T *argvars; |
| typval_T *rettv; |
| { |
| win_T *wp; |
| |
| wp = find_win_by_nr(&argvars[0]); |
| if (wp == NULL) |
| rettv->vval.v_number = -1; |
| else |
| #ifdef FEAT_VERTSPLIT |
| rettv->vval.v_number = wp->w_width; |
| #else |
| rettv->vval.v_number = Columns; |
| #endif |
| } |
| |
| static win_T * |
| find_win_by_nr(vp) |
| typval_T *vp; |
| { |
| #ifdef FEAT_WINDOWS |
| win_T *wp; |
| #endif |
| int nr; |
| |
| nr = get_tv_number(vp); |
| |
| #ifdef FEAT_WINDOWS |
| if (nr == 0) |
| return curwin; |
| |
| for (wp = firstwin; wp != NULL; wp = wp->w_next) |
| if (--nr <= 0) |
| break; |
| return wp; |
| #else |
| if (nr == 0 || nr == 1) |
| return curwin; |
| return NULL; |
| #endif |
| } |
| |
| /* |
| * Translate a String variable into a position. |
| */ |
| static pos_T * |
| var2fpos(varp, lnum) |
| typval_T *varp; |
| int lnum; /* TRUE when $ is last line */ |
| { |
| char_u *name; |
| static pos_T pos; |
| pos_T *pp; |
| |
| name = get_tv_string(varp); |
| if (name[0] == '.') /* cursor */ |
| return &curwin->w_cursor; |
| if (name[0] == '\'') /* mark */ |
| { |
| pp = getmark(name[1], FALSE); |
| if (pp == NULL || pp == (pos_T *)-1 || pp->lnum <= 0) |
| return NULL; |
| return pp; |
| } |
| if (name[0] == '$') /* last column or line */ |
| { |
| if (lnum) |
| { |
| pos.lnum = curbuf->b_ml.ml_line_count; |
| pos.col = 0; |
| } |
| else |
| { |
| pos.lnum = curwin->w_cursor.lnum; |
| pos.col = (colnr_T)STRLEN(ml_get_curline()); |
| } |
| return &pos; |
| } |
| return NULL; |
| } |
| |
| /* |
| * Get the length of an environment variable name. |
| * Advance "arg" to the first character after the name. |
| * Return 0 for error. |
| */ |
| static int |
| get_env_len(arg) |
| char_u **arg; |
| { |
| char_u *p; |
| int len; |
| |
| for (p = *arg; vim_isIDc(*p); ++p) |
| ; |
| if (p == *arg) /* no name found */ |
| return 0; |
| |
| len = (int)(p - *arg); |
| *arg = p; |
| return len; |
| } |
| |
| /* |
| * Get the length of the name of a function or internal variable. |
| * "arg" is advanced to the first non-white character after the name. |
| * Return 0 if something is wrong. |
| */ |
| static int |
| get_id_len(arg) |
| char_u **arg; |
| { |
| char_u *p; |
| int len; |
| |
| /* Find the end of the name. */ |
| for (p = *arg; eval_isnamec(*p); ++p) |
| ; |
| if (p == *arg) /* no name found */ |
| return 0; |
| |
| len = (int)(p - *arg); |
| *arg = skipwhite(p); |
| |
| return len; |
| } |
| |
| /* |
| * Get the length of the name of a variable or function. |
| * Only the name is recognized, does not handle ".key" or "[idx]". |
| * "arg" is advanced to the first non-white character after the name. |
| * Return 0 if something is wrong. |
| * If the name contains 'magic' {}'s, expand them and return the |
| * expanded name in an allocated string via 'alias' - caller must free. |
| */ |
| static int |
| get_name_len(arg, alias, evaluate) |
| char_u **arg; |
| char_u **alias; |
| int evaluate; |
| { |
| int len; |
| char_u *p; |
| char_u *expr_start; |
| char_u *expr_end; |
| |
| *alias = NULL; /* default to no alias */ |
| |
| if ((*arg)[0] == K_SPECIAL && (*arg)[1] == KS_EXTRA |
| && (*arg)[2] == (int)KE_SNR) |
| { |
| /* hard coded <SNR>, already translated */ |
| *arg += 3; |
| return get_id_len(arg) + 3; |
| } |
| len = eval_fname_script(*arg); |
| if (len > 0) |
| { |
| /* literal "<SID>", "s:" or "<SNR>" */ |
| *arg += len; |
| } |
| |
| /* |
| * Find the end of the name; check for {} construction. |
| */ |
| p = find_name_end(*arg, &expr_start, &expr_end, FALSE); |
| if (expr_start != NULL) |
| { |
| char_u *temp_string; |
| |
| if (!evaluate) |
| { |
| len += (int)(p - *arg); |
| *arg = skipwhite(p); |
| return len; |
| } |
| |
| /* |
| * Include any <SID> etc in the expanded string: |
| * Thus the -len here. |
| */ |
| temp_string = make_expanded_name(*arg - len, expr_start, expr_end, p); |
| if (temp_string == NULL) |
| return 0; |
| *alias = temp_string; |
| *arg = skipwhite(p); |
| return (int)STRLEN(temp_string); |
| } |
| |
| len += get_id_len(arg); |
| if (len == 0) |
| EMSG2(_(e_invexpr2), *arg); |
| |
| return len; |
| } |
| |
| /* |
| * Find the end of a variable or function name, taking care of magic braces. |
| * If "expr_start" is not NULL then "expr_start" and "expr_end" are set to the |
| * start and end of the first magic braces item. |
| * Return a pointer to just after the name. Equal to "arg" if there is no |
| * valid name. |
| */ |
| static char_u * |
| find_name_end(arg, expr_start, expr_end, incl_br) |
| char_u *arg; |
| char_u **expr_start; |
| char_u **expr_end; |
| int incl_br; /* Include [] indexes and .name */ |
| { |
| int mb_nest = 0; |
| int br_nest = 0; |
| char_u *p; |
| |
| if (expr_start != NULL) |
| { |
| *expr_start = NULL; |
| *expr_end = NULL; |
| } |
| |
| for (p = arg; *p != NUL |
| && (eval_isnamec(*p) |
| || *p == '{' |
| || (incl_br && (*p == '[' || *p == '.')) |
| || mb_nest != 0 |
| || br_nest != 0); ++p) |
| { |
| if (mb_nest == 0) |
| { |
| if (*p == '[') |
| ++br_nest; |
| else if (*p == ']') |
| --br_nest; |
| } |
| if (br_nest == 0) |
| { |
| if (*p == '{') |
| { |
| mb_nest++; |
| if (expr_start != NULL && *expr_start == NULL) |
| *expr_start = p; |
| } |
| else if (*p == '}') |
| { |
| mb_nest--; |
| if (expr_start != NULL && mb_nest == 0 && *expr_end == NULL) |
| *expr_end = p; |
| } |
| } |
| } |
| |
| return p; |
| } |
| |
| /* |
| * Return TRUE if character "c" can be used in a variable or function name. |
| * Does not include '{' or '}' for magic braces. |
| */ |
| static int |
| eval_isnamec(c) |
| int c; |
| { |
| return (ASCII_ISALNUM(c) || c == '_' || c == ':'); |
| } |
| |
| /* |
| * Set number v: variable to "val". |
| */ |
| void |
| set_vim_var_nr(idx, val) |
| int idx; |
| long val; |
| { |
| vimvars[idx].vv_nr = val; |
| } |
| |
| /* |
| * Get number v: variable value; |
| */ |
| long |
| get_vim_var_nr(idx) |
| int idx; |
| { |
| return vimvars[idx].vv_nr; |
| } |
| |
| /* |
| * Set v:count, v:count1 and v:prevcount. |
| */ |
| void |
| set_vcount(count, count1) |
| long count; |
| long count1; |
| { |
| vimvars[VV_PREVCOUNT].vv_nr = vimvars[VV_COUNT].vv_nr; |
| vimvars[VV_COUNT].vv_nr = count; |
| vimvars[VV_COUNT1].vv_nr = count1; |
| } |
| |
| /* |
| * Set string v: variable to a copy of "val". |
| */ |
| void |
| set_vim_var_string(idx, val, len) |
| int idx; |
| char_u *val; |
| int len; /* length of "val" to use or -1 (whole string) */ |
| { |
| /* Need to do this (at least) once, since we can't initialize a union. |
| * Will always be invoked when "v:progname" is set. */ |
| vimvars[VV_VERSION].vv_nr = VIM_VERSION_100; |
| |
| vim_free(vimvars[idx].vv_str); |
| if (val == NULL) |
| vimvars[idx].vv_str = NULL; |
| else if (len == -1) |
| vimvars[idx].vv_str = vim_strsave(val); |
| else |
| vimvars[idx].vv_str = vim_strnsave(val, len); |
| } |
| |
| /* |
| * Set v:register if needed. |
| */ |
| void |
| set_reg_var(c) |
| int c; |
| { |
| char_u regname; |
| |
| if (c == 0 || c == ' ') |
| regname = '"'; |
| else |
| regname = c; |
| /* Avoid free/alloc when the value is already right. */ |
| if (vimvars[VV_REG].vv_str == NULL || vimvars[VV_REG].vv_str[0] != c) |
| set_vim_var_string(VV_REG, ®name, 1); |
| } |
| |
| /* |
| * Get or set v:exception. If "oldval" == NULL, return the current value. |
| * Otherwise, restore the value to "oldval" and return NULL. |
| * Must always be called in pairs to save and restore v:exception! Does not |
| * take care of memory allocations. |
| */ |
| char_u * |
| v_exception(oldval) |
| char_u *oldval; |
| { |
| if (oldval == NULL) |
| return vimvars[VV_EXCEPTION].vv_str; |
| |
| vimvars[VV_EXCEPTION].vv_str = oldval; |
| return NULL; |
| } |
| |
| /* |
| * Get or set v:throwpoint. If "oldval" == NULL, return the current value. |
| * Otherwise, restore the value to "oldval" and return NULL. |
| * Must always be called in pairs to save and restore v:throwpoint! Does not |
| * take care of memory allocations. |
| */ |
| char_u * |
| v_throwpoint(oldval) |
| char_u *oldval; |
| { |
| if (oldval == NULL) |
| return vimvars[VV_THROWPOINT].vv_str; |
| |
| vimvars[VV_THROWPOINT].vv_str = oldval; |
| return NULL; |
| } |
| |
| #if defined(FEAT_AUTOCMD) || defined(PROTO) |
| /* |
| * Set v:cmdarg. |
| * If "eap" != NULL, use "eap" to generate the value and return the old value. |
| * If "oldarg" != NULL, restore the value to "oldarg" and return NULL. |
| * Must always be called in pairs! |
| */ |
| char_u * |
| set_cmdarg(eap, oldarg) |
| exarg_T *eap; |
| char_u *oldarg; |
| { |
| char_u *oldval; |
| char_u *newval; |
| unsigned len; |
| |
| oldval = vimvars[VV_CMDARG].vv_str; |
| if (eap == NULL) |
| { |
| vim_free(oldval); |
| vimvars[VV_CMDARG].vv_str = oldarg; |
| return NULL; |
| } |
| |
| if (eap->force_bin == FORCE_BIN) |
| len = 6; |
| else if (eap->force_bin == FORCE_NOBIN) |
| len = 8; |
| else |
| len = 0; |
| if (eap->force_ff != 0) |
| len += (unsigned)STRLEN(eap->cmd + eap->force_ff) + 6; |
| # ifdef FEAT_MBYTE |
| if (eap->force_enc != 0) |
| len += (unsigned)STRLEN(eap->cmd + eap->force_enc) + 7; |
| # endif |
| |
| newval = alloc(len + 1); |
| if (newval == NULL) |
| return NULL; |
| |
| if (eap->force_bin == FORCE_BIN) |
| sprintf((char *)newval, " ++bin"); |
| else if (eap->force_bin == FORCE_NOBIN) |
| sprintf((char *)newval, " ++nobin"); |
| else |
| *newval = NUL; |
| if (eap->force_ff != 0) |
| sprintf((char *)newval + STRLEN(newval), " ++ff=%s", |
| eap->cmd + eap->force_ff); |
| # ifdef FEAT_MBYTE |
| if (eap->force_enc != 0) |
| sprintf((char *)newval + STRLEN(newval), " ++enc=%s", |
| eap->cmd + eap->force_enc); |
| # endif |
| vimvars[VV_CMDARG].vv_str = newval; |
| return oldval; |
| } |
| #endif |
| |
| /* |
| * Get the value of internal variable "name". |
| * Return OK or FAIL. |
| */ |
| static int |
| get_var_tv(name, len, rettv) |
| char_u *name; |
| int len; /* length of "name" */ |
| typval_T *rettv; /* NULL when only checking existence */ |
| { |
| int ret = OK; |
| typval_T *tv = NULL; |
| typval_T atv; |
| dictitem_T *v; |
| int cc; |
| |
| /* truncate the name, so that we can use strcmp() */ |
| cc = name[len]; |
| name[len] = NUL; |
| |
| /* |
| * Check for "b:changedtick". |
| */ |
| if (STRCMP(name, "b:changedtick") == 0) |
| { |
| atv.v_type = VAR_NUMBER; |
| atv.vval.v_number = curbuf->b_changedtick; |
| tv = &atv; |
| } |
| |
| /* |
| * Check for user-defined variables. |
| */ |
| else |
| { |
| v = find_var(name, NULL); |
| if (v != NULL) |
| tv = &v->di_tv; |
| } |
| |
| if (tv == NULL) |
| { |
| if (rettv != NULL) |
| EMSG2(_(e_undefvar), name); |
| ret = FAIL; |
| } |
| else if (rettv != NULL) |
| copy_tv(tv, rettv); |
| |
| name[len] = cc; |
| |
| return ret; |
| } |
| |
| /* |
| * Allocate memory for a variable type-value, and make it emtpy (0 or NULL |
| * value). |
| */ |
| static typval_T * |
| alloc_tv() |
| { |
| return (typval_T *)alloc_clear((unsigned)sizeof(typval_T)); |
| } |
| |
| /* |
| * Allocate memory for a variable type-value, and assign a string to it. |
| * The string "s" must have been allocated, it is consumed. |
| * Return NULL for out of memory, the variable otherwise. |
| */ |
| static typval_T * |
| alloc_string_tv(s) |
| char_u *s; |
| { |
| typval_T *rettv; |
| |
| rettv = alloc_tv(); |
| if (rettv != NULL) |
| { |
| rettv->v_type = VAR_STRING; |
| rettv->vval.v_string = s; |
| } |
| else |
| vim_free(s); |
| return rettv; |
| } |
| |
| /* |
| * Free the memory for a variable type-value. |
| */ |
| static void |
| free_tv(varp) |
| typval_T *varp; |
| { |
| if (varp != NULL) |
| { |
| switch (varp->v_type) |
| { |
| case VAR_FUNC: |
| func_unref(varp->vval.v_string); |
| /*FALLTHROUGH*/ |
| case VAR_STRING: |
| vim_free(varp->vval.v_string); |
| break; |
| case VAR_LIST: |
| list_unref(varp->vval.v_list); |
| break; |
| case VAR_DICT: |
| dict_unref(varp->vval.v_dict); |
| break; |
| default: |
| break; |
| } |
| vim_free(varp); |
| } |
| } |
| |
| /* |
| * Free the memory for a variable value and set the value to NULL or 0. |
| */ |
| static void |
| clear_tv(varp) |
| typval_T *varp; |
| { |
| if (varp != NULL) |
| { |
| switch (varp->v_type) |
| { |
| case VAR_FUNC: |
| func_unref(varp->vval.v_string); |
| /*FALLTHROUGH*/ |
| case VAR_STRING: |
| vim_free(varp->vval.v_string); |
| varp->vval.v_string = NULL; |
| break; |
| case VAR_LIST: |
| list_unref(varp->vval.v_list); |
| varp->vval.v_list = NULL; |
| break; |
| case VAR_DICT: |
| dict_unref(varp->vval.v_dict); |
| varp->vval.v_dict = NULL; |
| break; |
| case VAR_NUMBER: |
| varp->vval.v_number = 0; |
| break; |
| case VAR_UNKNOWN: |
| break; |
| default: |
| EMSG2(_(e_intern2), "clear_tv()"); |
| } |
| varp->v_lock = 0; |
| } |
| } |
| |
| /* |
| * Set the value of a variable to NULL without freeing items. |
| */ |
| static void |
| init_tv(varp) |
| typval_T *varp; |
| { |
| if (varp != NULL) |
| vim_memset(varp, 0, sizeof(typval_T)); |
| } |
| |
| /* |
| * Get the number value of a variable. |
| * If it is a String variable, uses vim_str2nr(). |
| */ |
| static long |
| get_tv_number(varp) |
| typval_T *varp; |
| { |
| long n = 0L; |
| |
| switch (varp->v_type) |
| { |
| case VAR_NUMBER: |
| n = (long)(varp->vval.v_number); |
| break; |
| case VAR_FUNC: |
| EMSG(_("E703: Using a Funcref as a number")); |
| break; |
| case VAR_STRING: |
| if (varp->vval.v_string != NULL) |
| vim_str2nr(varp->vval.v_string, NULL, NULL, |
| TRUE, TRUE, &n, NULL); |
| break; |
| case VAR_LIST: |
| EMSG(_("E703: Using a List as a number")); |
| break; |
| case VAR_DICT: |
| EMSG(_("E728: Using a Dictionary as a number")); |
| break; |
| default: |
| EMSG2(_(e_intern2), "get_tv_number()"); |
| break; |
| } |
| return n; |
| } |
| |
| /* |
| * Get the lnum from the first argument. Also accepts ".", "$", etc. |
| */ |
| static linenr_T |
| get_tv_lnum(argvars) |
| typval_T *argvars; |
| { |
| typval_T rettv; |
| linenr_T lnum; |
| |
| lnum = get_tv_number(&argvars[0]); |
| if (lnum == 0) /* no valid number, try using line() */ |
| { |
| rettv.v_type = VAR_NUMBER; |
| f_line(argvars, &rettv); |
| lnum = rettv.vval.v_number; |
| clear_tv(&rettv); |
| } |
| return lnum; |
| } |
| |
| /* |
| * Get the string value of a variable. |
| * If it is a Number variable, the number is converted into a string. |
| * get_tv_string() uses a single, static buffer. YOU CAN ONLY USE IT ONCE! |
| * get_tv_string_buf() uses a given buffer. |
| * If the String variable has never been set, return an empty string. |
| * Never returns NULL; |
| */ |
| static char_u * |
| get_tv_string(varp) |
| typval_T *varp; |
| { |
| static char_u mybuf[NUMBUFLEN]; |
| |
| return get_tv_string_buf(varp, mybuf); |
| } |
| |
| static char_u * |
| get_tv_string_buf(varp, buf) |
| typval_T *varp; |
| char_u *buf; |
| { |
| switch (varp->v_type) |
| { |
| case VAR_NUMBER: |
| sprintf((char *)buf, "%ld", (long)varp->vval.v_number); |
| return buf; |
| case VAR_FUNC: |
| EMSG(_("E729: using Funcref as a String")); |
| break; |
| case VAR_LIST: |
| EMSG(_("E730: using List as a String")); |
| break; |
| case VAR_DICT: |
| EMSG(_("E731: using Dictionary as a String")); |
| break; |
| case VAR_STRING: |
| if (varp->vval.v_string != NULL) |
| return varp->vval.v_string; |
| break; |
| default: |
| EMSG2(_(e_intern2), "get_tv_string_buf()"); |
| break; |
| } |
| return (char_u *)""; |
| } |
| |
| /* |
| * Find variable "name" in the list of variables. |
| * Return a pointer to it if found, NULL if not found. |
| * Careful: "a:0" variables don't have a name. |
| * When "htp" is not NULL we are writing to the variable, set "htp" to the |
| * hashtab_T used. |
| */ |
| static dictitem_T * |
| find_var(name, htp) |
| char_u *name; |
| hashtab_T **htp; |
| { |
| char_u *varname; |
| hashtab_T *ht; |
| |
| ht = find_var_ht(name, &varname); |
| if (htp != NULL) |
| *htp = ht; |
| if (ht == NULL) |
| return NULL; |
| return find_var_in_ht(ht, varname); |
| } |
| |
| /* |
| * Find variable "varname" in hashtab "ht". |
| * Returns NULL if not found. |
| */ |
| static dictitem_T * |
| find_var_in_ht(ht, varname) |
| hashtab_T *ht; |
| char_u *varname; |
| { |
| hashitem_T *hi; |
| |
| if (*varname == NUL) |
| { |
| /* Must be something like "s:", otherwise "ht" would be NULL. */ |
| switch (varname[-2]) |
| { |
| case 's': return &SCRIPT_SV(current_SID).sv_var; |
| case 'g': return &globvars_var; |
| case 'v': return &vimvars_var; |
| case 'b': return &curbuf->b_bufvar; |
| case 'w': return &curwin->w_winvar; |
| case 'l': return ¤t_funccal->l_vars_var; |
| case 'a': return ¤t_funccal->l_avars_var; |
| } |
| return NULL; |
| } |
| |
| hi = hash_find(ht, varname); |
| if (HASHITEM_EMPTY(hi)) |
| return NULL; |
| return HI2DI(hi); |
| } |
| |
| /* |
| * Find the hashtab used for a variable name. |
| * Set "varname" to the start of name without ':'. |
| */ |
| static hashtab_T * |
| find_var_ht(name, varname) |
| char_u *name; |
| char_u **varname; |
| { |
| if (name[1] != ':') |
| { |
| /* If not "x:name" there must not be any ":" in the name. */ |
| if (vim_strchr(name, ':') != NULL) |
| return NULL; |
| *varname = name; |
| |
| /* "version" is "v:version" in all scopes */ |
| if (!HASHITEM_EMPTY(hash_find(&compat_hashtab, name))) |
| return &compat_hashtab; |
| |
| if (current_funccal == NULL) |
| return &globvarht; /* global variable */ |
| return ¤t_funccal->l_vars.dv_hashtab; /* l: variable */ |
| } |
| *varname = name + 2; |
| if (*name == 'b') /* buffer variable */ |
| return &curbuf->b_vars.dv_hashtab; |
| if (*name == 'w') /* window variable */ |
| return &curwin->w_vars.dv_hashtab; |
| if (*name == 'g') /* global variable */ |
| return &globvarht; |
| if (*name == 'v') /* v: variable */ |
| return &vimvarht; |
| if (*name == 'a' && current_funccal != NULL) /* function argument */ |
| return ¤t_funccal->l_avars.dv_hashtab; |
| if (*name == 'l' && current_funccal != NULL) /* local function variable */ |
| return ¤t_funccal->l_vars.dv_hashtab; |
| if (*name == 's' /* script variable */ |
| && current_SID > 0 && current_SID <= ga_scripts.ga_len) |
| return &SCRIPT_VARS(current_SID); |
| return NULL; |
| } |
| |
| /* |
| * Get the string value of a (global/local) variable. |
| * Returns NULL when it doesn't exist. |
| */ |
| char_u * |
| get_var_value(name) |
| char_u *name; |
| { |
| dictitem_T *v; |
| |
| v = find_var(name, NULL); |
| if (v == NULL) |
| return NULL; |
| return get_tv_string(&v->di_tv); |
| } |
| |
| /* |
| * Allocate a new hashtab for a sourced script. It will be used while |
| * sourcing this script and when executing functions defined in the script. |
| */ |
| void |
| new_script_vars(id) |
| scid_T id; |
| { |
| int i; |
| hashtab_T *ht; |
| scriptvar_T *sv; |
| |
| if (ga_grow(&ga_scripts, (int)(id - ga_scripts.ga_len)) == OK) |
| { |
| /* Re-allocating ga_data means that an ht_array pointing to |
| * ht_smallarray becomes invalid. We can recognize this: ht_mask is |
| * at its init value. Also reset "v_dict", it's always the same. */ |
| for (i = 1; i <= ga_scripts.ga_len; ++i) |
| { |
| ht = &SCRIPT_VARS(i); |
| if (ht->ht_mask == HT_INIT_SIZE - 1) |
| ht->ht_array = ht->ht_smallarray; |
| sv = &SCRIPT_SV(i); |
| sv->sv_var.di_tv.vval.v_dict = &sv->sv_dict; |
| } |
| |
| while (ga_scripts.ga_len < id) |
| { |
| sv = &SCRIPT_SV(ga_scripts.ga_len + 1); |
| init_var_dict(&sv->sv_dict, &sv->sv_var); |
| ++ga_scripts.ga_len; |
| } |
| } |
| } |
| |
| /* |
| * Initialize dictionary "dict" as a scope and set variable "dict_var" to |
| * point to it. |
| */ |
| void |
| init_var_dict(dict, dict_var) |
| dict_T *dict; |
| dictitem_T *dict_var; |
| { |
| hash_init(&dict->dv_hashtab); |
| dict->dv_refcount = 99999; |
| dict_var->di_tv.vval.v_dict = dict; |
| dict_var->di_tv.v_type = VAR_DICT; |
| dict_var->di_tv.v_lock = VAR_FIXED; |
| dict_var->di_flags = DI_FLAGS_RO | DI_FLAGS_FIX; |
| dict_var->di_key[0] = NUL; |
| } |
| |
| /* |
| * Clean up a list of internal variables. |
| * Frees all allocated variables and the value they contain. |
| * Clears hashtab "ht", does not free it. |
| */ |
| void |
| vars_clear(ht) |
| hashtab_T *ht; |
| { |
| vars_clear_ext(ht, TRUE); |
| } |
| |
| /* |
| * Like vars_clear(), but only free the value if "free_val" is TRUE. |
| */ |
| static void |
| vars_clear_ext(ht, free_val) |
| hashtab_T *ht; |
| int free_val; |
| { |
| int todo; |
| hashitem_T *hi; |
| dictitem_T *v; |
| |
| hash_lock(ht); |
| todo = ht->ht_used; |
| for (hi = ht->ht_array; todo > 0; ++hi) |
| { |
| if (!HASHITEM_EMPTY(hi)) |
| { |
| --todo; |
| |
| /* Free the variable. Don't remove it from the hashtab, |
| * ht_array might change then. hash_clear() takes care of it |
| * later. */ |
| v = HI2DI(hi); |
| if (free_val) |
| clear_tv(&v->di_tv); |
| if ((v->di_flags & DI_FLAGS_FIX) == 0) |
| vim_free(v); |
| } |
| } |
| hash_clear(ht); |
| } |
| |
| /* |
| * Delete a variable from hashtab "ht" at item "hi". |
| * Clear the variable value and free the dictitem. |
| */ |
| static void |
| delete_var(ht, hi) |
| hashtab_T *ht; |
| hashitem_T *hi; |
| { |
| dictitem_T *di = HI2DI(hi); |
| |
| hash_remove(ht, hi); |
| clear_tv(&di->di_tv); |
| vim_free(di); |
| } |
| |
| /* |
| * List the value of one internal variable. |
| */ |
| static void |
| list_one_var(v, prefix) |
| dictitem_T *v; |
| char_u *prefix; |
| { |
| char_u *tofree; |
| char_u *s; |
| char_u numbuf[NUMBUFLEN]; |
| |
| s = echo_string(&v->di_tv, &tofree, numbuf); |
| list_one_var_a(prefix, v->di_key, v->di_tv.v_type, |
| s == NULL ? (char_u *)"" : s); |
| vim_free(tofree); |
| } |
| |
| static void |
| list_one_var_a(prefix, name, type, string) |
| char_u *prefix; |
| char_u *name; |
| int type; |
| char_u *string; |
| { |
| msg_attr(prefix, 0); /* don't use msg(), it overwrites "v:statusmsg" */ |
| if (name != NULL) /* "a:" vars don't have a name stored */ |
| msg_puts(name); |
| msg_putchar(' '); |
| msg_advance(22); |
| if (type == VAR_NUMBER) |
| msg_putchar('#'); |
| else if (type == VAR_FUNC) |
| msg_putchar('*'); |
| else if (type == VAR_LIST) |
| { |
| msg_putchar('['); |
| if (*string == '[') |
| ++string; |
| } |
| else if (type == VAR_DICT) |
| { |
| msg_putchar('{'); |
| if (*string == '{') |
| ++string; |
| } |
| else |
| msg_putchar(' '); |
| |
| msg_outtrans(string); |
| |
| if (type == VAR_FUNC) |
| msg_puts((char_u *)"()"); |
| } |
| |
| /* |
| * Set variable "name" to value in "tv". |
| * If the variable already exists, the value is updated. |
| * Otherwise the variable is created. |
| */ |
| static void |
| set_var(name, tv, copy) |
| char_u *name; |
| typval_T *tv; |
| int copy; /* make copy of value in "tv" */ |
| { |
| dictitem_T *v; |
| char_u *varname; |
| hashtab_T *ht; |
| |
| if (tv->v_type == VAR_FUNC) |
| { |
| if (!(vim_strchr((char_u *)"wbs", name[0]) != NULL && name[1] == ':') |
| && !ASCII_ISUPPER((name[0] != NUL && name[1] == ':') |
| ? name[2] : name[0])) |
| { |
| EMSG2(_("E704: Funcref variable name must start with a capital: %s"), name); |
| return; |
| } |
| if (function_exists(name)) |
| { |
| EMSG2(_("705: Variable name conflicts with existing function: %s"), name); |
| return; |
| } |
| } |
| |
| ht = find_var_ht(name, &varname); |
| if (ht == NULL || *varname == NUL) |
| { |
| EMSG2(_("E461: Illegal variable name: %s"), name); |
| return; |
| } |
| |
| v = find_var_in_ht(ht, varname); |
| if (v != NULL) |
| { |
| /* existing variable, need to clear the value */ |
| if (var_check_ro(v->di_flags, name) |
| || tv_check_lock(v->di_tv.v_lock, name)) |
| return; |
| if (v->di_tv.v_type != tv->v_type |
| && !((v->di_tv.v_type == VAR_STRING |
| || v->di_tv.v_type == VAR_NUMBER) |
| && (tv->v_type == VAR_STRING |
| || tv->v_type == VAR_NUMBER))) |
| { |
| EMSG2(_("E706: Variable type mismatch for: %s"), name); |
| return; |
| } |
| |
| /* |
| * Handle setting internal v: variables separately: we keep the type. |
| */ |
| if (ht == &vimvarht) |
| { |
| if (v->di_tv.v_type == VAR_STRING) |
| { |
| vim_free(v->di_tv.vval.v_string); |
| if (copy || tv->v_type != VAR_STRING) |
| v->di_tv.vval.v_string = vim_strsave(get_tv_string(tv)); |
| else |
| { |
| /* Take over the string to avoid an extra alloc/free. */ |
| v->di_tv.vval.v_string = tv->vval.v_string; |
| tv->vval.v_string = NULL; |
| } |
| } |
| else if (v->di_tv.v_type != VAR_NUMBER) |
| EMSG2(_(e_intern2), "set_var()"); |
| else |
| v->di_tv.vval.v_number = get_tv_number(tv); |
| return; |
| } |
| |
| clear_tv(&v->di_tv); |
| } |
| else /* add a new variable */ |
| { |
| v = (dictitem_T *)alloc((unsigned)(sizeof(dictitem_T) |
| + STRLEN(varname))); |
| if (v == NULL) |
| return; |
| STRCPY(v->di_key, varname); |
| if (hash_add(ht, DI2HIKEY(v)) == FAIL) |
| { |
| vim_free(v); |
| return; |
| } |
| v->di_flags = 0; |
| } |
| |
| if (copy || tv->v_type == VAR_NUMBER) |
| copy_tv(tv, &v->di_tv); |
| else |
| { |
| v->di_tv = *tv; |
| v->di_tv.v_lock = 0; |
| init_tv(tv); |
| } |
| } |
| |
| /* |
| * Return TRUE if di_flags "flags" indicate read-only variable "name". |
| * Also give an error message. |
| */ |
| static int |
| var_check_ro(flags, name) |
| int flags; |
| char_u *name; |
| { |
| if (flags & DI_FLAGS_RO) |
| { |
| EMSG2(_(e_readonlyvar), name); |
| return TRUE; |
| } |
| if ((flags & DI_FLAGS_RO_SBX) && sandbox) |
| { |
| EMSG2(_(e_readonlysbx), name); |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| /* |
| * Return TRUE if typeval "tv" is set to be locked (immutable). |
| * Also give an error message, using "name". |
| */ |
| static int |
| tv_check_lock(lock, name) |
| int lock; |
| char_u *name; |
| { |
| if (lock & VAR_LOCKED) |
| { |
| EMSG2(_("E741: Value is locked: %s"), |
| name == NULL ? (char_u *)_("Unknown") : name); |
| return TRUE; |
| } |
| if (lock & VAR_FIXED) |
| { |
| EMSG2(_("E742: Cannot change value of %s"), |
| name == NULL ? (char_u *)_("Unknown") : name); |
| return TRUE; |
| } |
| return FALSE; |
| } |
| |
| /* |
| * Copy the values from typval_T "from" to typval_T "to". |
| * When needed allocates string or increases reference count. |
| * Does not make a copy of a list or dict but copies the reference! |
| */ |
| static void |
| copy_tv(from, to) |
| typval_T *from; |
| typval_T *to; |
| { |
| to->v_type = from->v_type; |
| to->v_lock = 0; |
| switch (from->v_type) |
| { |
| case VAR_NUMBER: |
| to->vval.v_number = from->vval.v_number; |
| break; |
| case VAR_STRING: |
| case VAR_FUNC: |
| if (from->vval.v_string == NULL) |
| to->vval.v_string = NULL; |
| else |
| { |
| to->vval.v_string = vim_strsave(from->vval.v_string); |
| if (from->v_type == VAR_FUNC) |
| func_ref(to->vval.v_string); |
| } |
| break; |
| case VAR_LIST: |
| if (from->vval.v_list == NULL) |
| to->vval.v_list = NULL; |
| else |
| { |
| to->vval.v_list = from->vval.v_list; |
| ++to->vval.v_list->lv_refcount; |
| } |
| break; |
| case VAR_DICT: |
| if (from->vval.v_dict == NULL) |
| to->vval.v_dict = NULL; |
| else |
| { |
| to->vval.v_dict = from->vval.v_dict; |
| ++to->vval.v_dict->dv_refcount; |
| } |
| break; |
| default: |
| EMSG2(_(e_intern2), "copy_tv()"); |
| break; |
| } |
| } |
| |
| /* |
| * Make a copy of an item. |
| * Lists and Dictionaries are also copied. A deep copy if "deep" is set. |
| */ |
| static void |
| item_copy(from, to, deep) |
| typval_T *from; |
| typval_T *to; |
| int deep; |
| { |
| static int recurse = 0; |
| |
| if (recurse >= DICT_MAXNEST) |
| { |
| EMSG(_("E698: variable nested too deep for making a copy")); |
| return; |
| } |
| ++recurse; |
| |
| switch (from->v_type) |
| { |
| case VAR_NUMBER: |
| case VAR_STRING: |
| case VAR_FUNC: |
| copy_tv(from, to); |
| break; |
| case VAR_LIST: |
| to->v_type = VAR_LIST; |
| to->v_lock = 0; |
| to->vval.v_list = list_copy(from->vval.v_list, deep); |
| break; |
| case VAR_DICT: |
| to->v_type = VAR_DICT; |
| to->v_lock = 0; |
| to->vval.v_dict = dict_copy(from->vval.v_dict, deep); |
| break; |
| default: |
| EMSG2(_(e_intern2), "item_copy()"); |
| } |
| --recurse; |
| } |
| |
| /* |
| * ":echo expr1 ..." print each argument separated with a space, add a |
| * newline at the end. |
| * ":echon expr1 ..." print each argument plain. |
| */ |
| void |
| ex_echo(eap) |
| exarg_T *eap; |
| { |
| char_u *arg = eap->arg; |
| typval_T rettv; |
| char_u *tofree; |
| char_u *p; |
| int needclr = TRUE; |
| int atstart = TRUE; |
| char_u numbuf[NUMBUFLEN]; |
| |
| if (eap->skip) |
| ++emsg_skip; |
| while (*arg != NUL && *arg != '|' && *arg != '\n' && !got_int) |
| { |
| p = arg; |
| if (eval1(&arg, &rettv, !eap->skip) == FAIL) |
| { |
| /* |
| * Report the invalid expression unless the expression evaluation |
| * has been cancelled due to an aborting error, an interrupt, or an |
| * exception. |
| */ |
| if (!aborting()) |
| EMSG2(_(e_invexpr2), p); |
| break; |
| } |
| if (!eap->skip) |
| { |
| if (atstart) |
| { |
| atstart = FALSE; |
| /* Call msg_start() after eval1(), evaluating the expression |
| * may cause a message to appear. */ |
| if (eap->cmdidx == CMD_echo) |
| msg_start(); |
| } |
| else if (eap->cmdidx == CMD_echo) |
| msg_puts_attr((char_u *)" ", echo_attr); |
| for (p = echo_string(&rettv, &tofree, numbuf); |
| *p != NUL && !got_int; ++p) |
| if (*p == '\n' || *p == '\r' || *p == TAB) |
| { |
| if (*p != TAB && needclr) |
| { |
| /* remove any text still there from the command */ |
| msg_clr_eos(); |
| needclr = FALSE; |
| } |
| msg_putchar_attr(*p, echo_attr); |
| } |
| else |
| { |
| #ifdef FEAT_MBYTE |
| if (has_mbyte) |
| { |
| int i = (*mb_ptr2len_check)(p); |
| |
| (void)msg_outtrans_len_attr(p, i, echo_attr); |
| p += i - 1; |
| } |
| else |
| #endif |
| (void)msg_outtrans_len_attr(p, 1, echo_attr); |
| } |
| vim_free(tofree); |
| } |
| clear_tv(&rettv); |
| arg = skipwhite(arg); |
| } |
| eap->nextcmd = check_nextcmd(arg); |
| |
| if (eap->skip) |
| --emsg_skip; |
| else |
| { |
| /* remove text that may still be there from the command */ |
| if (needclr) |
| msg_clr_eos(); |
| if (eap->cmdidx == CMD_echo) |
| msg_end(); |
| } |
| } |
| |
| /* |
| * ":echohl {name}". |
| */ |
| void |
| ex_echohl(eap) |
| exarg_T *eap; |
| { |
| int id; |
| |
| id = syn_name2id(eap->arg); |
| if (id == 0) |
| echo_attr = 0; |
| else |
| echo_attr = syn_id2attr(id); |
| } |
| |
| /* |
| * ":execute expr1 ..." execute the result of an expression. |
| * ":echomsg expr1 ..." Print a message |
| * ":echoerr expr1 ..." Print an error |
| * Each gets spaces around each argument and a newline at the end for |
| * echo commands |
| */ |
| void |
| ex_execute(eap) |
| exarg_T *eap; |
| { |
| char_u *arg = eap->arg; |
| typval_T rettv; |
| int ret = OK; |
| char_u *p; |
| garray_T ga; |
| int len; |
| int save_did_emsg; |
| |
| ga_init2(&ga, 1, 80); |
| |
| if (eap->skip) |
| ++emsg_skip; |
| while (*arg != NUL && *arg != '|' && *arg != '\n') |
| { |
| p = arg; |
| if (eval1(&arg, &rettv, !eap->skip) == FAIL) |
| { |
| /* |
| * Report the invalid expression unless the expression evaluation |
| * has been cancelled due to an aborting error, an interrupt, or an |
| * exception. |
| */ |
| if (!aborting()) |
| EMSG2(_(e_invexpr2), p); |
| ret = FAIL; |
| break; |
| } |
| |
| if (!eap->skip) |
| { |
| p = get_tv_string(&rettv); |
| len = (int)STRLEN(p); |
| if (ga_grow(&ga, len + 2) == FAIL) |
| { |
| clear_tv(&rettv); |
| ret = FAIL; |
| break; |
| } |
| if (ga.ga_len) |
| ((char_u *)(ga.ga_data))[ga.ga_len++] = ' '; |
| STRCPY((char_u *)(ga.ga_data) + ga.ga_len, p); |
| ga.ga_len += len; |
| } |
| |
| clear_tv(&rettv); |
| arg = skipwhite(arg); |
| } |
| |
| if (ret != FAIL && ga.ga_data != NULL) |
| { |
| if (eap->cmdidx == CMD_echomsg) |
| MSG_ATTR(ga.ga_data, echo_attr); |
| else if (eap->cmdidx == CMD_echoerr) |
| { |
| /* We don't want to abort following commands, restore did_emsg. */ |
| save_did_emsg = did_emsg; |
| EMSG((char_u *)ga.ga_data); |
| if (!force_abort) |
| did_emsg = save_did_emsg; |
| } |
| else if (eap->cmdidx == CMD_execute) |
| do_cmdline((char_u *)ga.ga_data, |
| eap->getline, eap->cookie, DOCMD_NOWAIT|DOCMD_VERBOSE); |
| } |
| |
| ga_clear(&ga); |
| |
| if (eap->skip) |
| --emsg_skip; |
| |
| eap->nextcmd = check_nextcmd(arg); |
| } |
| |
| /* |
| * Skip over the name of an option: "&option", "&g:option" or "&l:option". |
| * "arg" points to the "&" or '+' when called, to "option" when returning. |
| * Returns NULL when no option name found. Otherwise pointer to the char |
| * after the option name. |
| */ |
| static char_u * |
| find_option_end(arg, opt_flags) |
| char_u **arg; |
| int *opt_flags; |
| { |
| char_u *p = *arg; |
| |
| ++p; |
| if (*p == 'g' && p[1] == ':') |
| { |
| *opt_flags = OPT_GLOBAL; |
| p += 2; |
| } |
| else if (*p == 'l' && p[1] == ':') |
| { |
| *opt_flags = OPT_LOCAL; |
| p += 2; |
| } |
| else |
| *opt_flags = 0; |
| |
| if (!ASCII_ISALPHA(*p)) |
| return NULL; |
| *arg = p; |
| |
| if (p[0] == 't' && p[1] == '_' && p[2] != NUL && p[3] != NUL) |
| p += 4; /* termcap option */ |
| else |
| while (ASCII_ISALPHA(*p)) |
| ++p; |
| return p; |
| } |
| |
| /* |
| * ":function" |
| */ |
| void |
| ex_function(eap) |
| exarg_T *eap; |
| { |
| char_u *theline; |
| int j; |
| int c; |
| int saved_did_emsg; |
| char_u *name = NULL; |
| char_u *p; |
| char_u *arg; |
| garray_T newargs; |
| garray_T newlines; |
| int varargs = FALSE; |
| int mustend = FALSE; |
| int flags = 0; |
| ufunc_T *fp; |
| int indent; |
| int nesting; |
| char_u *skip_until = NULL; |
| dictitem_T *v; |
| funcdict_T fudi; |
| static int func_nr = 0; /* number for nameless function */ |
| int paren; |
| |
| /* |
| * ":function" without argument: list functions. |
| */ |
| if (ends_excmd(*eap->arg)) |
| { |
| if (!eap->skip) |
| for (fp = firstfunc; fp != NULL && !got_int; fp = fp->next) |
| if (!isdigit(*fp->name)) |
| list_func_head(fp, FALSE); |
| eap->nextcmd = check_nextcmd(eap->arg); |
| return; |
| } |
| |
| /* |
| * Get the function name. There are these situations: |
| * func normal function name |
| * "name" == func, "fudi.fd_dict" == NULL |
| * dict.func new dictionary entry |
| * "name" == NULL, "fudi.fd_dict" set, |
| * "fudi.fd_di" == NULL, "fudi.fd_newkey" == func |
| * dict.func existing dict entry with a Funcref |
| * "name" == fname, "fudi.fd_dict" set, |
| * "fudi.fd_di" set, "fudi.fd_newkey" == NULL |
| * dict.func existing dict entry that's not a Funcref |
| * "name" == NULL, "fudi.fd_dict" set, |
| * "fudi.fd_di" set, "fudi.fd_newkey" == NULL |
| */ |
| p = eap->arg; |
| name = trans_function_name(&p, eap->skip, 0, &fudi); |
| paren = (vim_strchr(p, '(') != NULL); |
| if (name == NULL && (fudi.fd_dict == NULL || !paren) && !eap->skip) |
| { |
| /* |
| * Return on an invalid expression in braces, unless the expression |
| * evaluation has been cancelled due to an aborting error, an |
| * interrupt, or an exception. |
| */ |
| if (!aborting()) |
| { |
| if (!eap->skip && fudi.fd_newkey != NULL) |
| EMSG2(_(e_dictkey), fudi.fd_newkey); |
| vim_free(fudi.fd_newkey); |
| return; |
| } |
| else |
| eap->skip = TRUE; |
| } |
| /* An error in a function call during evaluation of an expression in magic |
| * braces should not cause the function not to be defined. */ |
| saved_did_emsg = did_emsg; |
| did_emsg = FALSE; |
| |
| /* |
| * ":function func" with only function name: list function. |
| */ |
| if (!paren) |
| { |
| if (!ends_excmd(*skipwhite(p))) |
| { |
| EMSG(_(e_trailing)); |
| goto ret_free; |
| } |
| eap->nextcmd = check_nextcmd(p); |
| if (eap->nextcmd != NULL) |
| *p = NUL; |
| if (!eap->skip && !got_int) |
| { |
| fp = find_func(name); |
| if (fp != NULL) |
| { |
| list_func_head(fp, TRUE); |
| for (j = 0; j < fp->lines.ga_len && !got_int; ++j) |
| { |
| msg_putchar('\n'); |
| msg_outnum((long)(j + 1)); |
| if (j < 9) |
| msg_putchar(' '); |
| if (j < 99) |
| msg_putchar(' '); |
| msg_prt_line(FUNCLINE(fp, j)); |
| out_flush(); /* show a line at a time */ |
| ui_breakcheck(); |
| } |
| if (!got_int) |
| { |
| msg_putchar('\n'); |
| msg_puts((char_u *)" endfunction"); |
| } |
| } |
| else |
| EMSG2(_("E123: Undefined function: %s"), name); |
| } |
| goto ret_free; |
| } |
| |
| /* |
| * ":function name(arg1, arg2)" Define function. |
| */ |
| p = skipwhite(p); |
| if (*p != '(') |
| { |
| if (!eap->skip) |
| { |
| EMSG2(_("E124: Missing '(': %s"), eap->arg); |
| goto ret_free; |
| } |
| /* attempt to continue by skipping some text */ |
| if (vim_strchr(p, '(') != NULL) |
| p = vim_strchr(p, '('); |
| } |
| p = skipwhite(p + 1); |
| |
| ga_init2(&newargs, (int)sizeof(char_u *), 3); |
| ga_init2(&newlines, (int)sizeof(char_u *), 3); |
| |
| /* |
| * Isolate the arguments: "arg1, arg2, ...)" |
| */ |
| while (*p != ')') |
| { |
| if (p[0] == '.' && p[1] == '.' && p[2] == '.') |
| { |
| varargs = TRUE; |
| p += 3; |
| mustend = TRUE; |
| } |
| else |
| { |
| arg = p; |
| while (ASCII_ISALNUM(*p) || *p == '_') |
| ++p; |
| if (arg == p || isdigit(*arg) |
| || (p - arg == 9 && STRNCMP(arg, "firstline", 9) == 0) |
| || (p - arg == 8 && STRNCMP(arg, "lastline", 8) == 0)) |
| { |
| if (!eap->skip) |
| EMSG2(_("E125: Illegal argument: %s"), arg); |
| break; |
| } |
| if (ga_grow(&newargs, 1) == FAIL) |
| goto erret; |
| c = *p; |
| *p = NUL; |
| arg = vim_strsave(arg); |
| if (arg == NULL) |
| goto erret; |
| ((char_u **)(newargs.ga_data))[newargs.ga_len] = arg; |
| *p = c; |
| newargs.ga_len++; |
| if (*p == ',') |
| ++p; |
| else |
| mustend = TRUE; |
| } |
| p = skipwhite(p); |
| if (mustend && *p != ')') |
| { |
| if (!eap->skip) |
| EMSG2(_(e_invarg2), eap->arg); |
| break; |
| } |
| } |
| ++p; /* skip the ')' */ |
| |
| /* find extra arguments "range", "dict" and "abort" */ |
| for (;;) |
| { |
| p = skipwhite(p); |
| if (STRNCMP(p, "range", 5) == 0) |
| { |
| flags |= FC_RANGE; |
| p += 5; |
| } |
| else if (STRNCMP(p, "dict", 4) == 0) |
| { |
| flags |= FC_DICT; |
| p += 4; |
| } |
| else if (STRNCMP(p, "abort", 5) == 0) |
| { |
| flags |= FC_ABORT; |
| p += 5; |
| } |
| else |
| break; |
| } |
| |
| if (*p != NUL && *p != '"' && *p != '\n' && !eap->skip && !did_emsg) |
| EMSG(_(e_trailing)); |
| |
| /* |
| * Read the body of the function, until ":endfunction" is found. |
| */ |
| if (KeyTyped) |
| { |
| /* Check if the function already exists, don't let the user type the |
| * whole function before telling him it doesn't work! For a script we |
| * need to skip the body to be able to find what follows. */ |
| if (!eap->skip && !eap->forceit) |
| { |
| if (fudi.fd_dict != NULL && fudi.fd_newkey == NULL) |
| EMSG(_(e_funcdict)); |
| else if (name != NULL && find_func(name) != NULL) |
| EMSG2(_(e_funcexts), name); |
| } |
| |
| msg_putchar('\n'); /* don't overwrite the function name */ |
| cmdline_row = msg_row; |
| } |
| |
| indent = 2; |
| nesting = 0; |
| for (;;) |
| { |
| msg_scroll = TRUE; |
| need_wait_return = FALSE; |
| if (eap->getline == NULL) |
| theline = getcmdline(':', 0L, indent); |
| else |
| theline = eap->getline(':', eap->cookie, indent); |
| if (KeyTyped) |
| lines_left = Rows - 1; |
| if (theline == NULL) |
| { |
| EMSG(_("E126: Missing :endfunction")); |
| goto erret; |
| } |
| |
| if (skip_until != NULL) |
| { |
| /* between ":append" and "." and between ":python <<EOF" and "EOF" |
| * don't check for ":endfunc". */ |
| if (STRCMP(theline, skip_until) == 0) |
| { |
| vim_free(skip_until); |
| skip_until = NULL; |
| } |
| } |
| else |
| { |
| /* skip ':' and blanks*/ |
| for (p = theline; vim_iswhite(*p) || *p == ':'; ++p) |
| ; |
| |
| /* Check for "endfunction". */ |
| if (checkforcmd(&p, "endfunction", 4) && nesting-- == 0) |
| { |
| vim_free(theline); |
| break; |
| } |
| |
| /* Increase indent inside "if", "while", "for" and "try", decrease |
| * at "end". */ |
| if (indent > 2 && STRNCMP(p, "end", 3) == 0) |
| indent -= 2; |
| else if (STRNCMP(p, "if", 2) == 0 |
| || STRNCMP(p, "wh", 2) == 0 |
| || STRNCMP(p, "for", 3) == 0 |
| || STRNCMP(p, "try", 3) == 0) |
| indent += 2; |
| |
| /* Check for defining a function inside this function. */ |
| if (checkforcmd(&p, "function", 2)) |
| { |
| if (*p == '!') |
| p = skipwhite(p + 1); |
| p += eval_fname_script(p); |
| if (ASCII_ISALPHA(*p)) |
| { |
| vim_free(trans_function_name(&p, TRUE, 0, NULL)); |
| if (*skipwhite(p) == '(') |
| { |
| ++nesting; |
| indent += 2; |
| } |
| } |
| } |
| |
| /* Check for ":append" or ":insert". */ |
| p = skip_range(p, NULL); |
| if ((p[0] == 'a' && (!ASCII_ISALPHA(p[1]) || p[1] == 'p')) |
| || (p[0] == 'i' |
| && (!ASCII_ISALPHA(p[1]) || (p[1] == 'n' |
| && (!ASCII_ISALPHA(p[2]) || (p[2] == 's')))))) |
| skip_until = vim_strsave((char_u *)"."); |
| |
| /* Check for ":python <<EOF", ":tcl <<EOF", etc. */ |
| arg = skipwhite(skiptowhite(p)); |
| if (arg[0] == '<' && arg[1] =='<' |
| && ((p[0] == 'p' && p[1] == 'y' |
| && (!ASCII_ISALPHA(p[2]) || p[2] == 't')) |
| || (p[0] == 'p' && p[1] == 'e' |
| && (!ASCII_ISALPHA(p[2]) || p[2] == 'r')) |
| || (p[0] == 't' && p[1] == 'c' |
| && (!ASCII_ISALPHA(p[2]) || p[2] == 'l')) |
| || (p[0] == 'r' && p[1] == 'u' && p[2] == 'b' |
| && (!ASCII_ISALPHA(p[3]) || p[3] == 'y')) |
| || (p[0] == 'm' && p[1] == 'z' |
| && (!ASCII_ISALPHA(p[2]) || p[2] == 's')) |
| )) |
| { |
| /* ":python <<" continues until a dot, like ":append" */ |
| p = skipwhite(arg + 2); |
| if (*p == NUL) |
| skip_until = vim_strsave((char_u *)"."); |
| else |
| skip_until = vim_strsave(p); |
| } |
| } |
| |
| /* Add the line to the function. */ |
| if (ga_grow(&newlines, 1) == FAIL) |
| goto erret; |
| ((char_u **)(newlines.ga_data))[newlines.ga_len] = theline; |
| newlines.ga_len++; |
| } |
| |
| /* Don't define the function when skipping commands or when an error was |
| * detected. */ |
| if (eap->skip || did_emsg) |
| goto erret; |
| |
| /* |
| * If there are no errors, add the function |
| */ |
| if (fudi.fd_dict == NULL) |
| { |
| v = find_var(name, NULL); |
| if (v != NULL && v->di_tv.v_type == VAR_FUNC) |
| { |
| EMSG2(_("E707: Function name conflicts with variable: %s"), name); |
| goto erret; |
| } |
| |
| fp = find_func(name); |
| if (fp != NULL) |
| { |
| if (!eap->forceit) |
| { |
| EMSG2(_(e_funcexts), name); |
| goto erret; |
| } |
| if (fp->calls > 0) |
| { |
| EMSG2(_("E127: Cannot redefine function %s: It is in use"), |
| name); |
| goto erret; |
| } |
| /* redefine existing function */ |
| ga_clear_strings(&(fp->args)); |
| ga_clear_strings(&(fp->lines)); |
| vim_free(name); |
| name = NULL; |
| } |
| } |
| else |
| { |
| char numbuf[20]; |
| |
| fp = NULL; |
| if (fudi.fd_newkey == NULL && !eap->forceit) |
| { |
| EMSG(_(e_funcdict)); |
| goto erret; |
| } |
| |
| /* Give the function a sequential number. Can only be used with a |
| * Funcref! */ |
| vim_free(name); |
| sprintf(numbuf, "%d", ++func_nr); |
| name = vim_strsave((char_u *)numbuf); |
| if (name == NULL) |
| goto erret; |
| } |
| |
| if (fp == NULL) |
| { |
| fp = (ufunc_T *)alloc((unsigned)sizeof(ufunc_T)); |
| if (fp == NULL) |
| goto erret; |
| |
| if (fudi.fd_dict != NULL) |
| { |
| if (fudi.fd_di == NULL) |
| { |
| /* add new dict entry */ |
| fudi.fd_di = dictitem_alloc(fudi.fd_newkey); |
| if (fudi.fd_di == NULL) |
| { |
| vim_free(fp); |
| goto erret; |
| } |
| if (dict_add(fudi.fd_dict, fudi.fd_di) == FAIL) |
| { |
| vim_free(fudi.fd_di); |
| goto erret; |
| } |
| } |
| else |
| /* overwrite existing dict entry */ |
| clear_tv(&fudi.fd_di->di_tv); |
| fudi.fd_di->di_tv.v_type = VAR_FUNC; |
| fudi.fd_di->di_tv.v_lock = 0; |
| fudi.fd_di->di_tv.vval.v_string = vim_strsave(name); |
| fp->refcount = 1; |
| } |
| |
| /* insert the new function in the function list */ |
| fp->name = name; |
| name = NULL; |
| fp->next = firstfunc; |
| firstfunc = fp; |
| } |
| fp->args = newargs; |
| fp->lines = newlines; |
| fp->varargs = varargs; |
| fp->flags = flags; |
| fp->calls = 0; |
| fp->script_ID = current_SID; |
| goto ret_free; |
| |
| erret: |
| ga_clear_strings(&newargs); |
| ga_clear_strings(&newlines); |
| ret_free: |
| vim_free(skip_until); |
| vim_free(fudi.fd_newkey); |
| vim_free(name); |
| did_emsg |= saved_did_emsg; |
| } |
| |
| /* |
| * Get a function name, translating "<SID>" and "<SNR>". |
| * Also handles a Funcref in a List or Dictionary. |
| * Returns the function name in allocated memory, or NULL for failure. |
| * flags: |
| * TFN_INT: internal function name OK |
| * TFN_QUIET: be quiet |
| * Advances "pp" to just after the function name (if no error). |
| */ |
| static char_u * |
| trans_function_name(pp, skip, flags, fdp) |
| char_u **pp; |
| int skip; /* only find the end, don't evaluate */ |
| int flags; |
| funcdict_T *fdp; /* return: info about dictionary used */ |
| { |
| char_u *name = NULL; |
| char_u *start; |
| char_u *end; |
| int lead; |
| char_u sid_buf[20]; |
| int len; |
| lval_T lv; |
| |
| if (fdp != NULL) |
| vim_memset(fdp, 0, sizeof(funcdict_T)); |
| start = *pp; |
| |
| /* Check for hard coded <SNR>: already translated function ID (from a user |
| * command). */ |
| if ((*pp)[0] == K_SPECIAL && (*pp)[1] == KS_EXTRA |
| && (*pp)[2] == (int)KE_SNR) |
| { |
| *pp += 3; |
| len = get_id_len(pp) + 3; |
| return vim_strnsave(start, len); |
| } |
| |
| /* A name starting with "<SID>" or "<SNR>" is local to a script. But |
| * don't skip over "s:", get_lval() needs it for "s:dict.func". */ |
| lead = eval_fname_script(start); |
| if (lead > 2) |
| start += lead; |
| |
| end = get_lval(start, NULL, &lv, FALSE, skip, flags & TFN_QUIET); |
| if (end == start) |
| { |
| if (!skip) |
| EMSG(_("E129: Function name required")); |
| goto theend; |
| } |
| if (end == NULL || (lv.ll_tv != NULL && (lead > 2 || lv.ll_range))) |
| { |
| /* |
| * Report an invalid expression in braces, unless the expression |
| * evaluation has been cancelled due to an aborting error, an |
| * interrupt, or an exception. |
| */ |
| if (!aborting()) |
| { |
| if (end != NULL) |
| EMSG2(_(e_invarg2), start); |
| } |
| else |
| *pp = find_name_end(start, NULL, NULL, TRUE); |
| goto theend; |
| } |
| |
| if (lv.ll_tv != NULL) |
| { |
| if (fdp != NULL) |
| { |
| fdp->fd_dict = lv.ll_dict; |
| fdp->fd_newkey = lv.ll_newkey; |
| lv.ll_newkey = NULL; |
| fdp->fd_di = lv.ll_di; |
| } |
| if (lv.ll_tv->v_type == VAR_FUNC && lv.ll_tv->vval.v_string != NULL) |
| { |
| name = vim_strsave(lv.ll_tv->vval.v_string); |
| *pp = end; |
| } |
| else |
| { |
| if (!skip && !(flags & TFN_QUIET) && (fdp == NULL |
| || lv.ll_dict == NULL || fdp->fd_newkey == NULL)) |
| EMSG(_(e_funcref)); |
| else |
| *pp = end; |
| name = NULL; |
| } |
| goto theend; |
| } |
| |
| if (lv.ll_name == NULL) |
| { |
| /* Error found, but continue after the function name. */ |
| *pp = end; |
| goto theend; |
| } |
| |
| if (lv.ll_exp_name != NULL) |
| len = STRLEN(lv.ll_exp_name); |
| else |
| { |
| if (lead == 2) /* skip over "s:" */ |
| lv.ll_name += 2; |
| len = (int)(end - lv.ll_name); |
| } |
| |
| /* |
| * Copy the function name to allocated memory. |
| * Accept <SID>name() inside a script, translate into <SNR>123_name(). |
| * Accept <SNR>123_name() outside a script. |
| */ |
| if (skip) |
| lead = 0; /* do nothing */ |
| else if (lead > 0) |
| { |
| lead = 3; |
| if (eval_fname_sid(*pp)) /* If it's "<SID>" */ |
| { |
| if (current_SID <= 0) |
| { |
| EMSG(_(e_usingsid)); |
| goto theend; |
| } |
| sprintf((char *)sid_buf, "%ld_", (long)current_SID); |
| lead += (int)STRLEN(sid_buf); |
| } |
| } |
| else if (!(flags & TFN_INT) && !ASCII_ISUPPER(*lv.ll_name)) |
| { |
| EMSG2(_("E128: Function name must start with a capital: %s"), |
| lv.ll_name); |
| goto theend; |
| } |
| name = alloc((unsigned)(len + lead + 1)); |
| if (name != NULL) |
| { |
| if (lead > 0) |
| { |
| name[0] = K_SPECIAL; |
| name[1] = KS_EXTRA; |
| name[2] = (int)KE_SNR; |
| if (lead > 3) /* If it's "<SID>" */ |
| STRCPY(name + 3, sid_buf); |
| } |
| mch_memmove(name + lead, lv.ll_name, (size_t)len); |
| name[len + lead] = NUL; |
| } |
| *pp = end; |
| |
| theend: |
| clear_lval(&lv); |
| return name; |
| } |
| |
| /* |
| * Return 5 if "p" starts with "<SID>" or "<SNR>" (ignoring case). |
| * Return 2 if "p" starts with "s:". |
| * Return 0 otherwise. |
| */ |
| static int |
| eval_fname_script(p) |
| char_u *p; |
| { |
| if (p[0] == '<' && (STRNICMP(p + 1, "SID>", 4) == 0 |
| || STRNICMP(p + 1, "SNR>", 4) == 0)) |
| return 5; |
| if (p[0] == 's' && p[1] == ':') |
| return 2; |
| return 0; |
| } |
| |
| /* |
| * Return TRUE if "p" starts with "<SID>" or "s:". |
| * Only works if eval_fname_script() returned non-zero for "p"! |
| */ |
| static int |
| eval_fname_sid(p) |
| char_u *p; |
| { |
| return (*p == 's' || TOUPPER_ASC(p[2]) == 'I'); |
| } |
| |
| /* |
| * List the head of the function: "name(arg1, arg2)". |
| */ |
| static void |
| list_func_head(fp, indent) |
| ufunc_T *fp; |
| int indent; |
| { |
| int j; |
| |
| msg_start(); |
| if (indent) |
| MSG_PUTS(" "); |
| MSG_PUTS("function "); |
| if (fp->name[0] == K_SPECIAL) |
| { |
| MSG_PUTS_ATTR("<SNR>", hl_attr(HLF_8)); |
| msg_puts(fp->name + 3); |
| } |
| else |
| msg_puts(fp->name); |
| msg_putchar('('); |
| for (j = 0; j < fp->args.ga_len; ++j) |
| { |
| if (j) |
| MSG_PUTS(", "); |
| msg_puts(FUNCARG(fp, j)); |
| } |
| if (fp->varargs) |
| { |
| if (j) |
| MSG_PUTS(", "); |
| MSG_PUTS("..."); |
| } |
| msg_putchar(')'); |
| } |
| |
| /* |
| * Find a function by name, return pointer to it in ufuncs. |
| * Return NULL for unknown function. |
| */ |
| static ufunc_T * |
| find_func(name) |
| char_u *name; |
| { |
| ufunc_T *fp; |
| |
| for (fp = firstfunc; fp != NULL; fp = fp->next) |
| if (STRCMP(name, fp->name) == 0) |
| break; |
| return fp; |
| } |
| |
| /* |
| * Return TRUE if a function "name" exists. |
| */ |
| static int |
| function_exists(name) |
| char_u *name; |
| { |
| char_u *p = name; |
| int n = FALSE; |
| |
| p = trans_function_name(&p, FALSE, TFN_INT|TFN_QUIET, NULL); |
| if (p != NULL) |
| { |
| if (ASCII_ISUPPER(*p) || p[0] == K_SPECIAL) |
| n = (find_func(p) != NULL); |
| else if (ASCII_ISLOWER(*p)) |
| n = (find_internal_func(p) >= 0); |
| vim_free(p); |
| } |
| return n; |
| } |
| |
| #if defined(FEAT_CMDL_COMPL) || defined(PROTO) |
| |
| /* |
| * Function given to ExpandGeneric() to obtain the list of user defined |
| * function names. |
| */ |
| char_u * |
| get_user_func_name(xp, idx) |
| expand_T *xp; |
| int idx; |
| { |
| static ufunc_T *fp = NULL; |
| |
| if (idx == 0) |
| fp = firstfunc; |
| if (fp != NULL) |
| { |
| if (STRLEN(fp->name) + 4 >= IOSIZE) |
| return fp->name; /* prevents overflow */ |
| |
| cat_func_name(IObuff, fp); |
| if (xp->xp_context != EXPAND_USER_FUNC) |
| { |
| STRCAT(IObuff, "("); |
| if (!fp->varargs && fp->args.ga_len == 0) |
| STRCAT(IObuff, ")"); |
| } |
| |
| fp = fp->next; |
| return IObuff; |
| } |
| return NULL; |
| } |
| |
| #endif /* FEAT_CMDL_COMPL */ |
| |
| /* |
| * Copy the function name of "fp" to buffer "buf". |
| * "buf" must be able to hold the function name plus three bytes. |
| * Takes care of script-local function names. |
| */ |
| static void |
| cat_func_name(buf, fp) |
| char_u *buf; |
| ufunc_T *fp; |
| { |
| if (fp->name[0] == K_SPECIAL) |
| { |
| STRCPY(buf, "<SNR>"); |
| STRCAT(buf, fp->name + 3); |
| } |
| else |
| STRCPY(buf, fp->name); |
| } |
| |
| /* |
| * ":delfunction {name}" |
| */ |
| void |
| ex_delfunction(eap) |
| exarg_T *eap; |
| { |
| ufunc_T *fp = NULL; |
| char_u *p; |
| char_u *name; |
| funcdict_T fudi; |
| |
| p = eap->arg; |
| name = trans_function_name(&p, eap->skip, 0, &fudi); |
| vim_free(fudi.fd_newkey); |
| if (name == NULL) |
| { |
| if (fudi.fd_dict != NULL && !eap->skip) |
| EMSG(_(e_funcref)); |
| return; |
| } |
| if (!ends_excmd(*skipwhite(p))) |
| { |
| vim_free(name); |
| EMSG(_(e_trailing)); |
| return; |
| } |
| eap->nextcmd = check_nextcmd(p); |
| if (eap->nextcmd != NULL) |
| *p = NUL; |
| |
| if (!eap->skip) |
| fp = find_func(name); |
| vim_free(name); |
| |
| if (!eap->skip) |
| { |
| if (fp == NULL) |
| { |
| EMSG2(_("E130: Undefined function: %s"), eap->arg); |
| return; |
| } |
| if (fp->calls > 0) |
| { |
| EMSG2(_("E131: Cannot delete function %s: It is in use"), eap->arg); |
| return; |
| } |
| |
| if (fudi.fd_dict != NULL) |
| { |
| /* Delete the dict item that refers to the function, it will |
| * invoke func_unref() and possibly delete the function. */ |
| dictitem_remove(fudi.fd_dict, fudi.fd_di); |
| } |
| else |
| func_free(fp); |
| } |
| } |
| |
| /* |
| * Free a function and remove it from the list of functions. |
| */ |
| static void |
| func_free(fp) |
| ufunc_T *fp; |
| { |
| ufunc_T *pfp; |
| |
| /* clear this function */ |
| vim_free(fp->name); |
| ga_clear_strings(&(fp->args)); |
| ga_clear_strings(&(fp->lines)); |
| |
| /* remove the function from the function list */ |
| if (firstfunc == fp) |
| firstfunc = fp->next; |
| else |
| { |
| for (pfp = firstfunc; pfp != NULL; pfp = pfp->next) |
| if (pfp->next == fp) |
| { |
| pfp->next = fp->next; |
| break; |
| } |
| } |
| vim_free(fp); |
| } |
| |
| /* |
| * Unreference a Function: decrement the reference count and free it when it |
| * becomes zero. Only for numbered functions. |
| */ |
| static void |
| func_unref(name) |
| char_u *name; |
| { |
| ufunc_T *fp; |
| |
| if (name != NULL && isdigit(*name)) |
| { |
| fp = find_func(name); |
| if (fp == NULL) |
| EMSG2(_(e_intern2), "func_unref()"); |
| else if (--fp->refcount <= 0) |
| { |
| /* Only delete it when it's not being used. Otherwise it's done |
| * when "calls" becomes zero. */ |
| if (fp->calls == 0) |
| func_free(fp); |
| } |
| } |
| } |
| |
| /* |
| * Count a reference to a Function. |
| */ |
| static void |
| func_ref(name) |
| char_u *name; |
| { |
| ufunc_T *fp; |
| |
| if (name != NULL && isdigit(*name)) |
| { |
| fp = find_func(name); |
| if (fp == NULL) |
| EMSG2(_(e_intern2), "func_ref()"); |
| else |
| ++fp->refcount; |
| } |
| } |
| |
| /* |
| * Call a user function. |
| */ |
| static void |
| call_user_func(fp, argcount, argvars, rettv, firstline, lastline, selfdict) |
| ufunc_T *fp; /* pointer to function */ |
| int argcount; /* nr of args */ |
| typval_T *argvars; /* arguments */ |
| typval_T *rettv; /* return value */ |
| linenr_T firstline; /* first line of range */ |
| linenr_T lastline; /* last line of range */ |
| dict_T *selfdict; /* Dictionary for "self" */ |
| { |
| char_u *save_sourcing_name; |
| linenr_T save_sourcing_lnum; |
| scid_T save_current_SID; |
| funccall_T fc; |
| funccall_T *save_fcp = current_funccal; |
| int save_did_emsg; |
| static int depth = 0; |
| dictitem_T *v; |
| int fixvar_idx = 0; /* index in fixvar[] */ |
| int i; |
| int ai; |
| char_u numbuf[NUMBUFLEN]; |
| char_u *name; |
| |
| /* If depth of calling is getting too high, don't execute the function */ |
| if (depth >= p_mfd) |
| { |
| EMSG(_("E132: Function call depth is higher than 'maxfuncdepth'")); |
| rettv->v_type = VAR_NUMBER; |
| rettv->vval.v_number = -1; |
| return; |
| } |
| ++depth; |
| |
| line_breakcheck(); /* check for CTRL-C hit */ |
| |
| current_funccal = &fc; |
| fc.func = fp; |
| fc.rettv = rettv; |
| rettv->vval.v_number = 0; |
| fc.linenr = 0; |
| fc.returned = FALSE; |
| fc.level = ex_nesting_level; |
| /* Check if this function has a breakpoint. */ |
| fc.breakpoint = dbg_find_breakpoint(FALSE, fp->name, (linenr_T)0); |
| fc.dbg_tick = debug_tick; |
| |
| /* |
| * Note about using fc.fixvar[]: This is an array of FIXVAR_CNT variables |
| * with names up to VAR_SHORT_LEN long. This avoids having to alloc/free |
| * each argument variable and saves a lot of time. |
| */ |
| /* |
| * Init l: variables. |
| */ |
| init_var_dict(&fc.l_vars, &fc.l_vars_var); |
| if (selfdict != NULL) |
| { |
| /* Set l:self to "selfdict". */ |
| v = &fc.fixvar[fixvar_idx++].var; |
| STRCPY(v->di_key, "self"); |
| v->di_flags = DI_FLAGS_RO + DI_FLAGS_FIX; |
| hash_add(&fc.l_vars.dv_hashtab, DI2HIKEY(v)); |
| v->di_tv.v_type = VAR_DICT; |
| v->di_tv.v_lock = 0; |
| v->di_tv.vval.v_dict = selfdict; |
| ++selfdict->dv_refcount; |
| } |
| |
| /* |
| * Init a: variables. |
| * Set a:0 to "argcount". |
| * Set a:000 to a list with room for the "..." arguments. |
| */ |
| init_var_dict(&fc.l_avars, &fc.l_avars_var); |
| add_nr_var(&fc.l_avars, &fc.fixvar[fixvar_idx++].var, "0", |
| (varnumber_T)(argcount - fp->args.ga_len)); |
| v = &fc.fixvar[fixvar_idx++].var; |
| STRCPY(v->di_key, "000"); |
| v->di_flags = DI_FLAGS_RO | DI_FLAGS_FIX; |
| hash_add(&fc.l_avars.dv_hashtab, DI2HIKEY(v)); |
| v->di_tv.v_type = VAR_LIST; |
| v->di_tv.v_lock = VAR_FIXED; |
| v->di_tv.vval.v_list = &fc.l_varlist; |
| vim_memset(&fc.l_varlist, 0, sizeof(list_T)); |
| fc.l_varlist.lv_refcount = 99999; |
| |
| /* |
| * Set a:firstline to "firstline" and a:lastline to "lastline". |
| * Set a:name to named arguments. |
| * Set a:N to the "..." arguments. |
| */ |
| add_nr_var(&fc.l_avars, &fc.fixvar[fixvar_idx++].var, "firstline", |
| (varnumber_T)firstline); |
| add_nr_var(&fc.l_avars, &fc.fixvar[fixvar_idx++].var, "lastline", |
| (varnumber_T)lastline); |
| for (i = 0; i < argcount; ++i) |
| { |
| ai = i - fp->args.ga_len; |
| if (ai < 0) |
| /* named argument a:name */ |
| name = FUNCARG(fp, i); |
| else |
| { |
| /* "..." argument a:1, a:2, etc. */ |
| sprintf((char *)numbuf, "%d", ai + 1); |
| name = numbuf; |
| } |
| if (fixvar_idx < FIXVAR_CNT && STRLEN(name) <= VAR_SHORT_LEN) |
| { |
| v = &fc.fixvar[fixvar_idx++].var; |
| v->di_flags = DI_FLAGS_RO | DI_FLAGS_FIX; |
| } |
| else |
| { |
| v = (dictitem_T *)alloc((unsigned)(sizeof(dictitem_T) |
| + STRLEN(name))); |
| if (v == NULL) |
| break; |
| v->di_flags = DI_FLAGS_RO; |
| } |
| STRCPY(v->di_key, name); |
| hash_add(&fc.l_avars.dv_hashtab, DI2HIKEY(v)); |
| |
| /* Note: the values are copied directly to avoid alloc/free. |
| * "argvars" must have VAR_FIXED for v_lock. */ |
| v->di_tv = argvars[i]; |
| v->di_tv.v_lock = VAR_FIXED; |
| |
| if (ai >= 0 && ai < MAX_FUNC_ARGS) |
| { |
| list_append(&fc.l_varlist, &fc.l_listitems[ai]); |
| fc.l_listitems[ai].li_tv = argvars[i]; |
| fc.l_listitems[ai].li_tv.v_lock = VAR_FIXED; |
| } |
| } |
| |
| /* Don't redraw while executing the function. */ |
| ++RedrawingDisabled; |
| save_sourcing_name = sourcing_name; |
| save_sourcing_lnum = sourcing_lnum; |
| sourcing_lnum = 1; |
| sourcing_name = alloc((unsigned)((save_sourcing_name == NULL ? 0 |
| : STRLEN(save_sourcing_name)) + STRLEN(fp->name) + 13)); |
| if (sourcing_name != NULL) |
| { |
| if (save_sourcing_name != NULL |
| && STRNCMP(save_sourcing_name, "function ", 9) == 0) |
| sprintf((char *)sourcing_name, "%s..", save_sourcing_name); |
| else |
| STRCPY(sourcing_name, "function "); |
| cat_func_name(sourcing_name + STRLEN(sourcing_name), fp); |
| |
| if (p_verbose >= 12) |
| { |
| ++no_wait_return; |
| msg_scroll = TRUE; /* always scroll up, don't overwrite */ |
| msg_str((char_u *)_("calling %s"), sourcing_name); |
| if (p_verbose >= 14) |
| { |
| char_u buf[MSG_BUF_LEN]; |
| |
| msg_puts((char_u *)"("); |
| for (i = 0; i < argcount; ++i) |
| { |
| if (i > 0) |
| msg_puts((char_u *)", "); |
| if (argvars[i].v_type == VAR_NUMBER) |
| msg_outnum((long)argvars[i].vval.v_number); |
| else |
| { |
| trunc_string(get_tv_string(&argvars[i]), |
| buf, MSG_BUF_LEN); |
| msg_puts((char_u *)"\""); |
| msg_puts(buf); |
| msg_puts((char_u *)"\""); |
| } |
| } |
| msg_puts((char_u *)")"); |
| } |
| msg_puts((char_u *)"\n"); /* don't overwrite this either */ |
| cmdline_row = msg_row; |
| --no_wait_return; |
| } |
| } |
| save_current_SID = current_SID; |
| current_SID = fp->script_ID; |
| save_did_emsg = did_emsg; |
| did_emsg = FALSE; |
| |
| /* call do_cmdline() to execute the lines */ |
| do_cmdline(NULL, get_func_line, (void *)&fc, |
| DOCMD_NOWAIT|DOCMD_VERBOSE|DOCMD_REPEAT); |
| |
| --RedrawingDisabled; |
| |
| /* when the function was aborted because of an error, return -1 */ |
| if ((did_emsg && (fp->flags & FC_ABORT)) || rettv->v_type == VAR_UNKNOWN) |
| { |
| clear_tv(rettv); |
| rettv->v_type = VAR_NUMBER; |
| rettv->vval.v_number = -1; |
| } |
| |
| /* when being verbose, mention the return value */ |
| if (p_verbose >= 12) |
| { |
| char_u *sn, *val; |
| |
| ++no_wait_return; |
| msg_scroll = TRUE; /* always scroll up, don't overwrite */ |
| |
| /* Make sure the output fits in IObuff. */ |
| sn = sourcing_name; |
| if (STRLEN(sourcing_name) > IOSIZE / 2 - 50) |
| sn = sourcing_name + STRLEN(sourcing_name) - (IOSIZE / 2 - 50); |
| |
| if (aborting()) |
| smsg((char_u *)_("%s aborted"), sn); |
| else if (fc.rettv->v_type == VAR_NUMBER) |
| smsg((char_u *)_("%s returning #%ld"), sn, |
| (long)fc.rettv->vval.v_number); |
| else if (fc.rettv->v_type == VAR_STRING) |
| { |
| val = get_tv_string(fc.rettv); |
| if (STRLEN(val) > IOSIZE / 2 - 50) |
| val = val + STRLEN(val) - (IOSIZE / 2 - 50); |
| smsg((char_u *)_("%s returning \"%s\""), sn, val); |
| } |
| msg_puts((char_u *)"\n"); /* don't overwrite this either */ |
| cmdline_row = msg_row; |
| --no_wait_return; |
| } |
| |
| vim_free(sourcing_name); |
| sourcing_name = save_sourcing_name; |
| sourcing_lnum = save_sourcing_lnum; |
| current_SID = save_current_SID; |
| |
| if (p_verbose >= 12 && sourcing_name != NULL) |
| { |
| ++no_wait_return; |
| msg_scroll = TRUE; /* always scroll up, don't overwrite */ |
| msg_str((char_u *)_("continuing in %s"), sourcing_name); |
| msg_puts((char_u *)"\n"); /* don't overwrite this either */ |
| cmdline_row = msg_row; |
| --no_wait_return; |
| } |
| |
| did_emsg |= save_did_emsg; |
| current_funccal = save_fcp; |
| |
| /* The a: variables typevals were not alloced, only free the allocated |
| * variables. */ |
| vars_clear_ext(&fc.l_avars.dv_hashtab, FALSE); |
| |
| vars_clear(&fc.l_vars.dv_hashtab); /* free all l: variables */ |
| --depth; |
| } |
| |
| /* |
| * Add a number variable "name" to dict "dp" with value "nr". |
| */ |
| static void |
| add_nr_var(dp, v, name, nr) |
| dict_T *dp; |
| dictitem_T *v; |
| char *name; |
| varnumber_T nr; |
| { |
| STRCPY(v->di_key, name); |
| v->di_flags = DI_FLAGS_RO | DI_FLAGS_FIX; |
| hash_add(&dp->dv_hashtab, DI2HIKEY(v)); |
| v->di_tv.v_type = VAR_NUMBER; |
| v->di_tv.v_lock = VAR_FIXED; |
| v->di_tv.vval.v_number = nr; |
| } |
| |
| /* |
| * ":return [expr]" |
| */ |
| void |
| ex_return(eap) |
| exarg_T *eap; |
| { |
| char_u *arg = eap->arg; |
| typval_T rettv; |
| int returning = FALSE; |
| |
| if (current_funccal == NULL) |
| { |
| EMSG(_("E133: :return not inside a function")); |
| return; |
| } |
| |
| if (eap->skip) |
| ++emsg_skip; |
| |
| eap->nextcmd = NULL; |
| if ((*arg != NUL && *arg != '|' && *arg != '\n') |
| && eval0(arg, &rettv, &eap->nextcmd, !eap->skip) != FAIL) |
| { |
| if (!eap->skip) |
| returning = do_return(eap, FALSE, TRUE, &rettv); |
| else |
| clear_tv(&rettv); |
| } |
| /* It's safer to return also on error. */ |
| else if (!eap->skip) |
| { |
| /* |
| * Return unless the expression evaluation has been cancelled due to an |
| * aborting error, an interrupt, or an exception. |
| */ |
| if (!aborting()) |
| returning = do_return(eap, FALSE, TRUE, NULL); |
| } |
| |
| /* When skipping or the return gets pending, advance to the next command |
| * in this line (!returning). Otherwise, ignore the rest of the line. |
| * Following lines will be ignored by get_func_line(). */ |
| if (returning) |
| eap->nextcmd = NULL; |
| else if (eap->nextcmd == NULL) /* no argument */ |
| eap->nextcmd = check_nextcmd(arg); |
| |
| if (eap->skip) |
| --emsg_skip; |
| } |
| |
| /* |
| * Return from a function. Possibly makes the return pending. Also called |
| * for a pending return at the ":endtry" or after returning from an extra |
| * do_cmdline(). "reanimate" is used in the latter case. "is_cmd" is set |
| * when called due to a ":return" command. "rettv" may point to a typval_T |
| * with the return rettv. Returns TRUE when the return can be carried out, |
| * FALSE when the return gets pending. |
| */ |
| int |
| do_return(eap, reanimate, is_cmd, rettv) |
| exarg_T *eap; |
| int reanimate; |
| int is_cmd; |
| void *rettv; |
| { |
| int idx; |
| struct condstack *cstack = eap->cstack; |
| |
| if (reanimate) |
| /* Undo the return. */ |
| current_funccal->returned = FALSE; |
| |
| /* |
| * Cleanup (and inactivate) conditionals, but stop when a try conditional |
| * not in its finally clause (which then is to be executed next) is found. |
| * In this case, make the ":return" pending for execution at the ":endtry". |
| * Otherwise, return normally. |
| */ |
| idx = cleanup_conditionals(eap->cstack, 0, TRUE); |
| if (idx >= 0) |
| { |
| cstack->cs_pending[idx] = CSTP_RETURN; |
| |
| if (!is_cmd && !reanimate) |
| /* A pending return again gets pending. "rettv" points to an |
| * allocated variable with the rettv of the original ":return"'s |
| * argument if present or is NULL else. */ |
| cstack->cs_rettv[idx] = rettv; |
| else |
| { |
| /* When undoing a return in order to make it pending, get the stored |
| * return rettv. */ |
| if (reanimate) |
| rettv = current_funccal->rettv; |
| |
| if (rettv != NULL) |
| { |
| /* Store the value of the pending return. */ |
| if ((cstack->cs_rettv[idx] = alloc_tv()) != NULL) |
| *(typval_T *)cstack->cs_rettv[idx] = *(typval_T *)rettv; |
| else |
| EMSG(_(e_outofmem)); |
| } |
| else |
| cstack->cs_rettv[idx] = NULL; |
| |
| if (reanimate) |
| { |
| /* The pending return value could be overwritten by a ":return" |
| * without argument in a finally clause; reset the default |
| * return value. */ |
| current_funccal->rettv->v_type = VAR_NUMBER; |
| current_funccal->rettv->vval.v_number = 0; |
| } |
| } |
| report_make_pending(CSTP_RETURN, rettv); |
| } |
| else |
| { |
| current_funccal->returned = TRUE; |
| |
| /* If the return is carried out now, store the return value. For |
| * a return immediately after reanimation, the value is already |
| * there. */ |
| if (!reanimate && rettv != NULL) |
| { |
| clear_tv(current_funccal->rettv); |
| *current_funccal->rettv = *(typval_T *)rettv; |
| if (!is_cmd) |
| vim_free(rettv); |
| } |
| } |
| |
| return idx < 0; |
| } |
| |
| /* |
| * Free the variable with a pending return value. |
| */ |
| void |
| discard_pending_return(rettv) |
| void *rettv; |
| { |
| free_tv((typval_T *)rettv); |
| } |
| |
| /* |
| * Generate a return command for producing the value of "rettv". The result |
| * is an allocated string. Used by report_pending() for verbose messages. |
| */ |
| char_u * |
| get_return_cmd(rettv) |
| void *rettv; |
| { |
| char_u *s; |
| char_u *tofree = NULL; |
| char_u numbuf[NUMBUFLEN]; |
| |
| if (rettv == NULL) |
| s = (char_u *)""; |
| else |
| s = echo_string((typval_T *)rettv, &tofree, numbuf); |
| |
| STRCPY(IObuff, ":return "); |
| STRNCPY(IObuff + 8, s, IOSIZE - 8); |
| if (STRLEN(s) + 8 >= IOSIZE) |
| STRCPY(IObuff + IOSIZE - 4, "..."); |
| vim_free(tofree); |
| return vim_strsave(IObuff); |
| } |
| |
| /* |
| * Get next function line. |
| * Called by do_cmdline() to get the next line. |
| * Returns allocated string, or NULL for end of function. |
| */ |
| /* ARGSUSED */ |
| char_u * |
| get_func_line(c, cookie, indent) |
| int c; /* not used */ |
| void *cookie; |
| int indent; /* not used */ |
| { |
| funccall_T *fcp = (funccall_T *)cookie; |
| char_u *retval; |
| garray_T *gap; /* growarray with function lines */ |
| |
| /* If breakpoints have been added/deleted need to check for it. */ |
| if (fcp->dbg_tick != debug_tick) |
| { |
| fcp->breakpoint = dbg_find_breakpoint(FALSE, fcp->func->name, |
| sourcing_lnum); |
| fcp->dbg_tick = debug_tick; |
| } |
| |
| gap = &fcp->func->lines; |
| if ((fcp->func->flags & FC_ABORT) && did_emsg && !aborted_in_try()) |
| retval = NULL; |
| else if (fcp->returned || fcp->linenr >= gap->ga_len) |
| retval = NULL; |
| else |
| { |
| retval = vim_strsave(((char_u **)(gap->ga_data))[fcp->linenr++]); |
| sourcing_lnum = fcp->linenr; |
| } |
| |
| /* Did we encounter a breakpoint? */ |
| if (fcp->breakpoint != 0 && fcp->breakpoint <= sourcing_lnum) |
| { |
| dbg_breakpoint(fcp->func->name, sourcing_lnum); |
| /* Find next breakpoint. */ |
| fcp->breakpoint = dbg_find_breakpoint(FALSE, fcp->func->name, |
| sourcing_lnum); |
| fcp->dbg_tick = debug_tick; |
| } |
| |
| return retval; |
| } |
| |
| /* |
| * Return TRUE if the currently active function should be ended, because a |
| * return was encountered or an error occured. Used inside a ":while". |
| */ |
| int |
| func_has_ended(cookie) |
| void *cookie; |
| { |
| funccall_T *fcp = (funccall_T *)cookie; |
| |
| /* Ignore the "abort" flag if the abortion behavior has been changed due to |
| * an error inside a try conditional. */ |
| return (((fcp->func->flags & FC_ABORT) && did_emsg && !aborted_in_try()) |
| || fcp->returned); |
| } |
| |
| /* |
| * return TRUE if cookie indicates a function which "abort"s on errors. |
| */ |
| int |
| func_has_abort(cookie) |
| void *cookie; |
| { |
| return ((funccall_T *)cookie)->func->flags & FC_ABORT; |
| } |
| |
| #if defined(FEAT_VIMINFO) || defined(FEAT_SESSION) |
| typedef enum |
| { |
| VAR_FLAVOUR_DEFAULT, |
| VAR_FLAVOUR_SESSION, |
| VAR_FLAVOUR_VIMINFO |
| } var_flavour_T; |
| |
| static var_flavour_T var_flavour __ARGS((char_u *varname)); |
| |
| static var_flavour_T |
| var_flavour(varname) |
| char_u *varname; |
| { |
| char_u *p = varname; |
| |
| if (ASCII_ISUPPER(*p)) |
| { |
| while (*(++p)) |
| if (ASCII_ISLOWER(*p)) |
| return VAR_FLAVOUR_SESSION; |
| return VAR_FLAVOUR_VIMINFO; |
| } |
| else |
| return VAR_FLAVOUR_DEFAULT; |
| } |
| #endif |
| |
| #if defined(FEAT_VIMINFO) || defined(PROTO) |
| /* |
| * Restore global vars that start with a capital from the viminfo file |
| */ |
| int |
| read_viminfo_varlist(virp, writing) |
| vir_T *virp; |
| int writing; |
| { |
| char_u *tab; |
| int is_string = FALSE; |
| typval_T tv; |
| |
| if (!writing && (find_viminfo_parameter('!') != NULL)) |
| { |
| tab = vim_strchr(virp->vir_line + 1, '\t'); |
| if (tab != NULL) |
| { |
| *tab++ = '\0'; /* isolate the variable name */ |
| if (*tab == 'S') /* string var */ |
| is_string = TRUE; |
| |
| tab = vim_strchr(tab, '\t'); |
| if (tab != NULL) |
| { |
| if (is_string) |
| { |
| tv.v_type = VAR_STRING; |
| tv.vval.v_string = viminfo_readstring(virp, |
| (int)(tab - virp->vir_line + 1), TRUE); |
| } |
| else |
| { |
| tv.v_type = VAR_NUMBER; |
| tv.vval.v_number = atol((char *)tab + 1); |
| } |
| set_var(virp->vir_line + 1, &tv, FALSE); |
| if (is_string) |
| vim_free(tv.vval.v_string); |
| } |
| } |
| } |
| |
| return viminfo_readline(virp); |
| } |
| |
| /* |
| * Write global vars that start with a capital to the viminfo file |
| */ |
| void |
| write_viminfo_varlist(fp) |
| FILE *fp; |
| { |
| hashitem_T *hi; |
| dictitem_T *this_var; |
| int todo; |
| char *s; |
| char_u *tofree; |
| char_u numbuf[NUMBUFLEN]; |
| |
| if (find_viminfo_parameter('!') == NULL) |
| return; |
| |
| fprintf(fp, _("\n# global variables:\n")); |
| |
| todo = globvarht.ht_used; |
| for (hi = globvarht.ht_array; todo > 0; ++hi) |
| { |
| if (!HASHITEM_EMPTY(hi)) |
| { |
| --todo; |
| this_var = HI2DI(hi); |
| if (var_flavour(this_var->di_key) == VAR_FLAVOUR_VIMINFO) |
| { |
| switch (this_var->di_tv.v_type) |
| { |
| case VAR_STRING: s = "STR"; break; |
| case VAR_NUMBER: s = "NUM"; break; |
| default: continue; |
| } |
| fprintf(fp, "!%s\t%s\t", this_var->di_key, s); |
| viminfo_writestring(fp, echo_string(&this_var->di_tv, |
| &tofree, numbuf)); |
| vim_free(tofree); |
| } |
| } |
| } |
| } |
| #endif |
| |
| #if defined(FEAT_SESSION) || defined(PROTO) |
| int |
| store_session_globals(fd) |
| FILE *fd; |
| { |
| hashitem_T *hi; |
| dictitem_T *this_var; |
| int todo; |
| char_u *p, *t; |
| |
| todo = globvarht.ht_used; |
| for (hi = globvarht.ht_array; todo > 0; ++hi) |
| { |
| if (!HASHITEM_EMPTY(hi)) |
| { |
| --todo; |
| this_var = HI2DI(hi); |
| if ((this_var->di_tv.v_type == VAR_NUMBER |
| || this_var->di_tv.v_type == VAR_STRING) |
| && var_flavour(this_var->di_key) == VAR_FLAVOUR_SESSION) |
| { |
| /* Escape special characters with a backslash. Turn a LF and |
| * CR into \n and \r. */ |
| p = vim_strsave_escaped(get_tv_string(&this_var->di_tv), |
| (char_u *)"\\\"\n\r"); |
| if (p == NULL) /* out of memory */ |
| break; |
| for (t = p; *t != NUL; ++t) |
| if (*t == '\n') |
| *t = 'n'; |
| else if (*t == '\r') |
| *t = 'r'; |
| if ((fprintf(fd, "let %s = %c%s%c", |
| this_var->di_key, |
| (this_var->di_tv.v_type == VAR_STRING) ? '"' |
| : ' ', |
| p, |
| (this_var->di_tv.v_type == VAR_STRING) ? '"' |
| : ' ') < 0) |
| || put_eol(fd) == FAIL) |
| { |
| vim_free(p); |
| return FAIL; |
| } |
| vim_free(p); |
| } |
| } |
| } |
| return OK; |
| } |
| #endif |
| |
| #endif /* FEAT_EVAL */ |
| |
| #if defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) || defined(PROTO) |
| |
| |
| #ifdef WIN3264 |
| /* |
| * Functions for ":8" filename modifier: get 8.3 version of a filename. |
| */ |
| static int get_short_pathname __ARGS((char_u **fnamep, char_u **bufp, int *fnamelen)); |
| static int shortpath_for_invalid_fname __ARGS((char_u **fname, char_u **bufp, int *fnamelen)); |
| static int shortpath_for_partial __ARGS((char_u **fnamep, char_u **bufp, int *fnamelen)); |
| |
| /* |
| * Get the short pathname of a file. |
| * Returns 1 on success. *fnamelen is 0 for nonexistant path. |
| */ |
| static int |
| get_short_pathname(fnamep, bufp, fnamelen) |
| char_u **fnamep; |
| char_u **bufp; |
| int *fnamelen; |
| { |
| int l,len; |
| char_u *newbuf; |
| |
| len = *fnamelen; |
| |
| l = GetShortPathName(*fnamep, *fnamep, len); |
| if (l > len - 1) |
| { |
| /* If that doesn't work (not enough space), then save the string |
| * and try again with a new buffer big enough |
| */ |
| newbuf = vim_strnsave(*fnamep, l); |
| if (newbuf == NULL) |
| return 0; |
| |
| vim_free(*bufp); |
| *fnamep = *bufp = newbuf; |
| |
| l = GetShortPathName(*fnamep,*fnamep,l+1); |
| |
| /* Really should always succeed, as the buffer is big enough */ |
| } |
| |
| *fnamelen = l; |
| return 1; |
| } |
| |
| /* |
| * Create a short path name. Returns the length of the buffer it needs. |
| * Doesn't copy over the end of the buffer passed in. |
| */ |
| static int |
| shortpath_for_invalid_fname(fname, bufp, fnamelen) |
| char_u **fname; |
| char_u **bufp; |
| int *fnamelen; |
| { |
| char_u *s, *p, *pbuf2, *pbuf3; |
| char_u ch; |
| int l,len,len2,plen,slen; |
| |
| /* Make a copy */ |
| len2 = *fnamelen; |
| pbuf2 = vim_strnsave(*fname, len2); |
| pbuf3 = NULL; |
| |
| s = pbuf2 + len2 - 1; /* Find the end */ |
| slen = 1; |
| plen = len2; |
| |
| l = 0; |
| if (after_pathsep(pbuf2, s + 1)) |
| { |
| --s; |
| ++slen; |
| --plen; |
| } |
| |
| do |
| { |
| /* Go back one path-seperator */ |
| while (s > pbuf2 && !after_pathsep(pbuf2, s + 1)) |
| { |
| --s; |
| ++slen; |
| --plen; |
| } |
| if (s <= pbuf2) |
| break; |
| |
| /* Remeber the character that is about to be blatted */ |
| ch = *s; |
| *s = 0; /* get_short_pathname requires a null-terminated string */ |
| |
| /* Try it in situ */ |
| p = pbuf2; |
| if (!get_short_pathname(&p, &pbuf3, &plen)) |
| { |
| vim_free(pbuf2); |
| return -1; |
| } |
| *s = ch; /* Preserve the string */ |
| } while (plen == 0); |
| |
| if (plen > 0) |
| { |
| /* Remeber the length of the new string. */ |
| *fnamelen = len = plen + slen; |
| vim_free(*bufp); |
| if (len > len2) |
| { |
| /* If there's not enough space in the currently allocated string, |
| * then copy it to a buffer big enough. |
| */ |
| *fname= *bufp = vim_strnsave(p, len); |
| if (*fname == NULL) |
| return -1; |
| } |
| else |
| { |
| /* Transfer pbuf2 to being the main buffer (it's big enough) */ |
| *fname = *bufp = pbuf2; |
| if (p != pbuf2) |
| strncpy(*fname, p, plen); |
| pbuf2 = NULL; |
| } |
| /* Concat the next bit */ |
| strncpy(*fname + plen, s, slen); |
| (*fname)[len] = '\0'; |
| } |
| vim_free(pbuf3); |
| vim_free(pbuf2); |
| return 0; |
| } |
| |
| /* |
| * Get a pathname for a partial path. |
| */ |
| static int |
| shortpath_for_partial(fnamep, bufp, fnamelen) |
| char_u **fnamep; |
| char_u **bufp; |
| int *fnamelen; |
| { |
| int sepcount, len, tflen; |
| char_u *p; |
| char_u *pbuf, *tfname; |
| int hasTilde; |
| |
| /* Count up the path seperators from the RHS.. so we know which part |
| * of the path to return. |
| */ |
| sepcount = 0; |
| for (p = *fnamep; p < *fnamep + *fnamelen; mb_ptr_adv(p)) |
| if (vim_ispathsep(*p)) |
| ++sepcount; |
| |
| /* Need full path first (use expand_env() to remove a "~/") */ |
| hasTilde = (**fnamep == '~'); |
| if (hasTilde) |
| pbuf = tfname = expand_env_save(*fnamep); |
| else |
| pbuf = tfname = FullName_save(*fnamep, FALSE); |
| |
| len = tflen = STRLEN(tfname); |
| |
| if (!get_short_pathname(&tfname, &pbuf, &len)) |
| return -1; |
| |
| if (len == 0) |
| { |
| /* Don't have a valid filename, so shorten the rest of the |
| * path if we can. This CAN give us invalid 8.3 filenames, but |
| * there's not a lot of point in guessing what it might be. |
| */ |
| len = tflen; |
| if (shortpath_for_invalid_fname(&tfname, &pbuf, &len) == -1) |
| return -1; |
| } |
| |
| /* Count the paths backward to find the beginning of the desired string. */ |
| for (p = tfname + len - 1; p >= tfname; --p) |
| { |
| #ifdef FEAT_MBYTE |
| if (has_mbyte) |
| p -= mb_head_off(tfname, p); |
| #endif |
| if (vim_ispathsep(*p)) |
| { |
| if (sepcount == 0 || (hasTilde && sepcount == 1)) |
| break; |
| else |
| sepcount --; |
| } |
| } |
| if (hasTilde) |
| { |
| --p; |
| if (p >= tfname) |
| *p = '~'; |
| else |
| return -1; |
| } |
| else |
| ++p; |
| |
| /* Copy in the string - p indexes into tfname - allocated at pbuf */ |
| vim_free(*bufp); |
| *fnamelen = (int)STRLEN(p); |
| *bufp = pbuf; |
| *fnamep = p; |
| |
| return 0; |
| } |
| #endif /* WIN3264 */ |
| |
| /* |
| * Adjust a filename, according to a string of modifiers. |
| * *fnamep must be NUL terminated when called. When returning, the length is |
| * determined by *fnamelen. |
| * Returns valid flags. |
| * When there is an error, *fnamep is set to NULL. |
| */ |
| int |
| modify_fname(src, usedlen, fnamep, bufp, fnamelen) |
| char_u *src; /* string with modifiers */ |
| int *usedlen; /* characters after src that are used */ |
| char_u **fnamep; /* file name so far */ |
| char_u **bufp; /* buffer for allocated file name or NULL */ |
| int *fnamelen; /* length of fnamep */ |
| { |
| int valid = 0; |
| char_u *tail; |
| char_u *s, *p, *pbuf; |
| char_u dirname[MAXPATHL]; |
| int c; |
| int has_fullname = 0; |
| #ifdef WIN3264 |
| int has_shortname = 0; |
| #endif |
| |
| repeat: |
| /* ":p" - full path/file_name */ |
| if (src[*usedlen] == ':' && src[*usedlen + 1] == 'p') |
| { |
| has_fullname = 1; |
| |
| valid |= VALID_PATH; |
| *usedlen += 2; |
| |
| /* Expand "~/path" for all systems and "~user/path" for Unix and VMS */ |
| if ((*fnamep)[0] == '~' |
| #if !defined(UNIX) && !(defined(VMS) && defined(USER_HOME)) |
| && ((*fnamep)[1] == '/' |
| # ifdef BACKSLASH_IN_FILENAME |
| || (*fnamep)[1] == '\\' |
| # endif |
| || (*fnamep)[1] == NUL) |
| |
| #endif |
| ) |
| { |
| *fnamep = expand_env_save(*fnamep); |
| vim_free(*bufp); /* free any allocated file name */ |
| *bufp = *fnamep; |
| if (*fnamep == NULL) |
| return -1; |
| } |
| |
| /* When "/." or "/.." is used: force expansion to get rid of it. */ |
| for (p = *fnamep; *p != NUL; mb_ptr_adv(p)) |
| { |
| if (vim_ispathsep(*p) |
| && p[1] == '.' |
| && (p[2] == NUL |
| || vim_ispathsep(p[2]) |
| || (p[2] == '.' |
| && (p[3] == NUL || vim_ispathsep(p[3]))))) |
| break; |
| } |
| |
| /* FullName_save() is slow, don't use it when not needed. */ |
| if (*p != NUL || !vim_isAbsName(*fnamep)) |
| { |
| *fnamep = FullName_save(*fnamep, *p != NUL); |
| vim_free(*bufp); /* free any allocated file name */ |
| *bufp = *fnamep; |
| if (*fnamep == NULL) |
| return -1; |
| } |
| |
| /* Append a path separator to a directory. */ |
| if (mch_isdir(*fnamep)) |
| { |
| /* Make room for one or two extra characters. */ |
| *fnamep = vim_strnsave(*fnamep, (int)STRLEN(*fnamep) + 2); |
| vim_free(*bufp); /* free any allocated file name */ |
| *bufp = *fnamep; |
| if (*fnamep == NULL) |
| return -1; |
| add_pathsep(*fnamep); |
| } |
| } |
| |
| /* ":." - path relative to the current directory */ |
| /* ":~" - path relative to the home directory */ |
| /* ":8" - shortname path - postponed till after */ |
| while (src[*usedlen] == ':' |
| && ((c = src[*usedlen + 1]) == '.' || c == '~' || c == '8')) |
| { |
| *usedlen += 2; |
| if (c == '8') |
| { |
| #ifdef WIN3264 |
| has_shortname = 1; /* Postpone this. */ |
| #endif |
| continue; |
| } |
| pbuf = NULL; |
| /* Need full path first (use expand_env() to remove a "~/") */ |
| if (!has_fullname) |
| { |
| if (c == '.' && **fnamep == '~') |
| p = pbuf = expand_env_save(*fnamep); |
| else |
| p = pbuf = FullName_save(*fnamep, FALSE); |
| } |
| else |
| p = *fnamep; |
| |
| has_fullname = 0; |
| |
| if (p != NULL) |
| { |
| if (c == '.') |
| { |
| mch_dirname(dirname, MAXPATHL); |
| s = shorten_fname(p, dirname); |
| if (s != NULL) |
| { |
| *fnamep = s; |
| if (pbuf != NULL) |
| { |
| vim_free(*bufp); /* free any allocated file name */ |
| *bufp = pbuf; |
| pbuf = NULL; |
| } |
| } |
| } |
| else |
| { |
| home_replace(NULL, p, dirname, MAXPATHL, TRUE); |
| /* Only replace it when it starts with '~' */ |
| if (*dirname == '~') |
| { |
| s = vim_strsave(dirname); |
| if (s != NULL) |
| { |
| *fnamep = s; |
| vim_free(*bufp); |
| *bufp = s; |
| } |
| } |
| } |
| vim_free(pbuf); |
| } |
| } |
| |
| tail = gettail(*fnamep); |
| *fnamelen = (int)STRLEN(*fnamep); |
| |
| /* ":h" - head, remove "/file_name", can be repeated */ |
| /* Don't remove the first "/" or "c:\" */ |
| while (src[*usedlen] == ':' && src[*usedlen + 1] == 'h') |
| { |
| valid |= VALID_HEAD; |
| *usedlen += 2; |
| s = get_past_head(*fnamep); |
| while (tail > s && after_pathsep(s, tail)) |
| --tail; |
| *fnamelen = (int)(tail - *fnamep); |
| #ifdef VMS |
| if (*fnamelen > 0) |
| *fnamelen += 1; /* the path separator is part of the path */ |
| #endif |
| while (tail > s && !after_pathsep(s, tail)) |
| mb_ptr_back(*fnamep, tail); |
| } |
| |
| /* ":8" - shortname */ |
| if (src[*usedlen] == ':' && src[*usedlen + 1] == '8') |
| { |
| *usedlen += 2; |
| #ifdef WIN3264 |
| has_shortname = 1; |
| #endif |
| } |
| |
| #ifdef WIN3264 |
| /* Check shortname after we have done 'heads' and before we do 'tails' |
| */ |
| if (has_shortname) |
| { |
| pbuf = NULL; |
| /* Copy the string if it is shortened by :h */ |
| if (*fnamelen < (int)STRLEN(*fnamep)) |
| { |
| p = vim_strnsave(*fnamep, *fnamelen); |
| if (p == 0) |
| return -1; |
| vim_free(*bufp); |
| *bufp = *fnamep = p; |
| } |
| |
| /* Split into two implementations - makes it easier. First is where |
| * there isn't a full name already, second is where there is. |
| */ |
| if (!has_fullname && !vim_isAbsName(*fnamep)) |
| { |
| if (shortpath_for_partial(fnamep, bufp, fnamelen) == -1) |
| return -1; |
| } |
| else |
| { |
| int l; |
| |
| /* Simple case, already have the full-name |
| * Nearly always shorter, so try first time. */ |
| l = *fnamelen; |
| if (!get_short_pathname(fnamep, bufp, &l)) |
| return -1; |
| |
| if (l == 0) |
| { |
| /* Couldn't find the filename.. search the paths. |
| */ |
| l = *fnamelen; |
| if (shortpath_for_invalid_fname(fnamep, bufp, &l ) == -1) |
| return -1; |
| } |
| *fnamelen = l; |
| } |
| } |
| #endif /* WIN3264 */ |
| |
| /* ":t" - tail, just the basename */ |
| if (src[*usedlen] == ':' && src[*usedlen + 1] == 't') |
| { |
| *usedlen += 2; |
| *fnamelen -= (int)(tail - *fnamep); |
| *fnamep = tail; |
| } |
| |
| /* ":e" - extension, can be repeated */ |
| /* ":r" - root, without extension, can be repeated */ |
| while (src[*usedlen] == ':' |
| && (src[*usedlen + 1] == 'e' || src[*usedlen + 1] == 'r')) |
| { |
| /* find a '.' in the tail: |
| * - for second :e: before the current fname |
| * - otherwise: The last '.' |
| */ |
| if (src[*usedlen + 1] == 'e' && *fnamep > tail) |
| s = *fnamep - 2; |
| else |
| s = *fnamep + *fnamelen - 1; |
| for ( ; s > tail; --s) |
| if (s[0] == '.') |
| break; |
| if (src[*usedlen + 1] == 'e') /* :e */ |
| { |
| if (s > tail) |
| { |
| *fnamelen += (int)(*fnamep - (s + 1)); |
| *fnamep = s + 1; |
| #ifdef VMS |
| /* cut version from the extension */ |
| s = *fnamep + *fnamelen - 1; |
| for ( ; s > *fnamep; --s) |
| if (s[0] == ';') |
| break; |
| if (s > *fnamep) |
| *fnamelen = s - *fnamep; |
| #endif |
| } |
| else if (*fnamep <= tail) |
| *fnamelen = 0; |
| } |
| else /* :r */ |
| { |
| if (s > tail) /* remove one extension */ |
| *fnamelen = (int)(s - *fnamep); |
| } |
| *usedlen += 2; |
| } |
| |
| /* ":s?pat?foo?" - substitute */ |
| /* ":gs?pat?foo?" - global substitute */ |
| if (src[*usedlen] == ':' |
| && (src[*usedlen + 1] == 's' |
| || (src[*usedlen + 1] == 'g' && src[*usedlen + 2] == 's'))) |
| { |
| char_u *str; |
| char_u *pat; |
| char_u *sub; |
| int sep; |
| char_u *flags; |
| int didit = FALSE; |
| |
| flags = (char_u *)""; |
| s = src + *usedlen + 2; |
| if (src[*usedlen + 1] == 'g') |
| { |
| flags = (char_u *)"g"; |
| ++s; |
| } |
| |
| sep = *s++; |
| if (sep) |
| { |
| /* find end of pattern */ |
| p = vim_strchr(s, sep); |
| if (p != NULL) |
| { |
| pat = vim_strnsave(s, (int)(p - s)); |
| if (pat != NULL) |
| { |
| s = p + 1; |
| /* find end of substitution */ |
| p = vim_strchr(s, sep); |
| if (p != NULL) |
| { |
| sub = vim_strnsave(s, (int)(p - s)); |
| str = vim_strnsave(*fnamep, *fnamelen); |
| if (sub != NULL && str != NULL) |
| { |
| *usedlen = (int)(p + 1 - src); |
| s = do_string_sub(str, pat, sub, flags); |
| if (s != NULL) |
| { |
| *fnamep = s; |
| *fnamelen = (int)STRLEN(s); |
| vim_free(*bufp); |
| *bufp = s; |
| didit = TRUE; |
| } |
| } |
| vim_free(sub); |
| vim_free(str); |
| } |
| vim_free(pat); |
| } |
| } |
| /* after using ":s", repeat all the modifiers */ |
| if (didit) |
| goto repeat; |
| } |
| } |
| |
| return valid; |
| } |
| |
| /* |
| * Perform a substitution on "str" with pattern "pat" and substitute "sub". |
| * "flags" can be "g" to do a global substitute. |
| * Returns an allocated string, NULL for error. |
| */ |
| char_u * |
| do_string_sub(str, pat, sub, flags) |
| char_u *str; |
| char_u *pat; |
| char_u *sub; |
| char_u *flags; |
| { |
| int sublen; |
| regmatch_T regmatch; |
| int i; |
| int do_all; |
| char_u *tail; |
| garray_T ga; |
| char_u *ret; |
| char_u *save_cpo; |
| |
| /* Make 'cpoptions' empty, so that the 'l' flag doesn't work here */ |
| save_cpo = p_cpo; |
| p_cpo = (char_u *)""; |
| |
| ga_init2(&ga, 1, 200); |
| |
| do_all = (flags[0] == 'g'); |
| |
| regmatch.rm_ic = p_ic; |
| regmatch.regprog = vim_regcomp(pat, RE_MAGIC + RE_STRING); |
| if (regmatch.regprog != NULL) |
| { |
| tail = str; |
| while (vim_regexec_nl(®match, str, (colnr_T)(tail - str))) |
| { |
| /* |
| * Get some space for a temporary buffer to do the substitution |
| * into. It will contain: |
| * - The text up to where the match is. |
| * - The substituted text. |
| * - The text after the match. |
| */ |
| sublen = vim_regsub(®match, sub, tail, FALSE, TRUE, FALSE); |
| if (ga_grow(&ga, (int)(STRLEN(tail) + sublen - |
| (regmatch.endp[0] - regmatch.startp[0]))) == FAIL) |
| { |
| ga_clear(&ga); |
| break; |
| } |
| |
| /* copy the text up to where the match is */ |
| i = (int)(regmatch.startp[0] - tail); |
| mch_memmove((char_u *)ga.ga_data + ga.ga_len, tail, (size_t)i); |
| /* add the substituted text */ |
| (void)vim_regsub(®match, sub, (char_u *)ga.ga_data |
| + ga.ga_len + i, TRUE, TRUE, FALSE); |
| ga.ga_len += i + sublen - 1; |
| /* avoid getting stuck on a match with an empty string */ |
| if (tail == regmatch.endp[0]) |
| { |
| if (*tail == NUL) |
| break; |
| *((char_u *)ga.ga_data + ga.ga_len) = *tail++; |
| ++ga.ga_len; |
| } |
| else |
| { |
| tail = regmatch.endp[0]; |
| if (*tail == NUL) |
| break; |
| } |
| if (!do_all) |
| break; |
| } |
| |
| if (ga.ga_data != NULL) |
| STRCPY((char *)ga.ga_data + ga.ga_len, tail); |
| |
| vim_free(regmatch.regprog); |
| } |
| |
| ret = vim_strsave(ga.ga_data == NULL ? str : (char_u *)ga.ga_data); |
| ga_clear(&ga); |
| p_cpo = save_cpo; |
| |
| return ret; |
| } |
| |
| #endif /* defined(FEAT_MODIFY_FNAME) || defined(FEAT_EVAL) */ |