| /* MI Command Set - output generating routines. |
| Copyright 2000 Free Software Foundation, Inc. |
| Contributed by Cygnus Solutions (a Red Hat company). |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #include "defs.h" |
| #include "ui-out.h" |
| #include "mi-out.h" |
| |
| /* Convenience macro for allocting typesafe memory. */ |
| |
| #ifndef XMALLOC |
| #define XMALLOC(TYPE) (TYPE*) xmalloc (sizeof (TYPE)) |
| #endif |
| |
| struct ui_out_data |
| { |
| int supress_field_separator; |
| int first_header; |
| struct ui_file *buffer; |
| }; |
| |
| /* These are the MI output functions */ |
| |
| static void mi_table_begin (struct ui_out *uiout, int nbrofcols, char *tblid); |
| static void mi_table_body (struct ui_out *uiout); |
| static void mi_table_end (struct ui_out *uiout); |
| static void mi_table_header (struct ui_out *uiout, int width, |
| enum ui_align alig, char *colhdr); |
| static void mi_list_begin (struct ui_out *uiout, int list_flag, char *lstid); |
| static void mi_list_end (struct ui_out *uiout, int list_flag); |
| static void mi_field_int (struct ui_out *uiout, int fldno, int width, |
| enum ui_align alig, char *fldname, int value); |
| static void mi_field_skip (struct ui_out *uiout, int fldno, int width, |
| enum ui_align alig, char *fldname); |
| static void mi_field_string (struct ui_out *uiout, int fldno, int width, |
| enum ui_align alig, char *fldname, |
| const char *string); |
| static void mi_field_fmt (struct ui_out *uiout, int fldno, |
| int width, enum ui_align align, |
| char *fldname, char *format, va_list args); |
| static void mi_spaces (struct ui_out *uiout, int numspaces); |
| static void mi_text (struct ui_out *uiout, char *string); |
| static void mi_message (struct ui_out *uiout, int verbosity, char *format, |
| va_list args); |
| static void mi_wrap_hint (struct ui_out *uiout, char *identstring); |
| static void mi_flush (struct ui_out *uiout); |
| |
| /* This is the MI ui-out implementation functions vector */ |
| |
| /* FIXME: This can be initialized dynamically after default is set to |
| handle initial output in main.c */ |
| |
| struct ui_out_impl mi_ui_out_impl = |
| { |
| mi_table_begin, |
| mi_table_body, |
| mi_table_end, |
| mi_table_header, |
| mi_list_begin, |
| mi_list_end, |
| mi_field_int, |
| mi_field_skip, |
| mi_field_string, |
| mi_field_fmt, |
| mi_spaces, |
| mi_text, |
| mi_message, |
| mi_wrap_hint, |
| mi_flush |
| }; |
| |
| /* Prototypes for local functions */ |
| |
| extern void _initialize_mi_out (void); |
| static void field_separator (struct ui_out *uiout); |
| static void list_open (struct ui_out *uiout); |
| static void list_close (struct ui_out *uiout); |
| |
| static void out_field_fmt (struct ui_out *uiout, int fldno, char *fldname, |
| char *format,...); |
| |
| /* Mark beginning of a table */ |
| |
| void |
| mi_table_begin (struct ui_out *uiout, int nbrofcols, char *tblid) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| field_separator (uiout); |
| if (tblid) |
| fprintf_unfiltered (data->buffer, "%s=", tblid); |
| list_open (uiout); |
| data->first_header = 0; |
| data->supress_field_separator = 1; |
| } |
| |
| /* Mark beginning of a table body */ |
| |
| void |
| mi_table_body (struct ui_out *uiout) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| /* close the table header line if there were any headers */ |
| if (data->first_header) |
| list_close (uiout); |
| } |
| |
| /* Mark end of a table */ |
| |
| void |
| mi_table_end (struct ui_out *uiout) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| list_close (uiout); |
| /* If table was empty this flag did not get reset yet */ |
| data->supress_field_separator = 0; |
| } |
| |
| /* Specify table header */ |
| |
| void |
| mi_table_header (struct ui_out *uiout, int width, int alignment, char *colhdr) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| if (!data->first_header++) |
| { |
| fputs_unfiltered ("hdr=", data->buffer); |
| list_open (uiout); |
| } |
| mi_field_string (uiout, 0, width, alignment, 0, colhdr); |
| } |
| |
| /* Mark beginning of a list */ |
| |
| void |
| mi_list_begin (struct ui_out *uiout, int list_flag, char *lstid) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| field_separator (uiout); |
| data->supress_field_separator = 1; |
| if (lstid) |
| fprintf_unfiltered (data->buffer, "%s=", lstid); |
| list_open (uiout); |
| } |
| |
| /* Mark end of a list */ |
| |
| void |
| mi_list_end (struct ui_out *uiout, int list_flag) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| list_close (uiout); |
| /* If list was empty this flag did not get reset yet */ |
| data->supress_field_separator = 0; |
| } |
| |
| /* output an int field */ |
| |
| void |
| mi_field_int (struct ui_out *uiout, int fldno, int width, int alignment, |
| char *fldname, int value) |
| { |
| char buffer[20]; /* FIXME: how many chars long a %d can become? */ |
| |
| sprintf (buffer, "%d", value); |
| mi_field_string (uiout, fldno, width, alignment, fldname, buffer); |
| } |
| |
| /* used to ommit a field */ |
| |
| void |
| mi_field_skip (struct ui_out *uiout, int fldno, int width, int alignment, |
| char *fldname) |
| { |
| mi_field_string (uiout, fldno, width, alignment, fldname, ""); |
| } |
| |
| /* other specific mi_field_* end up here so alignment and field |
| separators are both handled by mi_field_string */ |
| |
| void |
| mi_field_string (struct ui_out *uiout, |
| int fldno, |
| int width, |
| int align, |
| char *fldname, |
| const char *string) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| field_separator (uiout); |
| if (fldname) |
| fprintf_unfiltered (data->buffer, "%s=", fldname); |
| fprintf_unfiltered (data->buffer, "\""); |
| if (string) |
| fputstr_unfiltered (string, '"', data->buffer); |
| fprintf_unfiltered (data->buffer, "\""); |
| } |
| |
| /* This is the only field function that does not align */ |
| |
| void |
| mi_field_fmt (struct ui_out *uiout, int fldno, |
| int width, enum ui_align align, |
| char *fldname, char *format, va_list args) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| field_separator (uiout); |
| if (fldname) |
| fprintf_unfiltered (data->buffer, "%s=\"", fldname); |
| else |
| fputs_unfiltered ("\"", data->buffer); |
| vfprintf_unfiltered (data->buffer, format, args); |
| fputs_unfiltered ("\"", data->buffer); |
| } |
| |
| void |
| mi_spaces (struct ui_out *uiout, int numspaces) |
| { |
| } |
| |
| void |
| mi_text (struct ui_out *uiout, char *string) |
| { |
| } |
| |
| void |
| mi_message (struct ui_out *uiout, int verbosity, char *format, va_list args) |
| { |
| } |
| |
| void |
| mi_wrap_hint (struct ui_out *uiout, char *identstring) |
| { |
| wrap_here (identstring); |
| } |
| |
| void |
| mi_flush (struct ui_out *uiout) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| gdb_flush (data->buffer); |
| } |
| |
| /* local functions */ |
| |
| /* Like mi_field_fmt, but takes a variable number of args |
| and makes a va_list and does not insert a separator */ |
| |
| /* VARARGS */ |
| static void |
| out_field_fmt (struct ui_out *uiout, int fldno, char *fldname, |
| char *format,...) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| va_list args; |
| |
| field_separator (uiout); |
| if (fldname) |
| fprintf_unfiltered (data->buffer, "%s=\"", fldname); |
| else |
| fputs_unfiltered ("\"", data->buffer); |
| |
| va_start (args, format); |
| vfprintf_unfiltered (data->buffer, format, args); |
| |
| fputs_unfiltered ("\"", data->buffer); |
| |
| va_end (args); |
| } |
| |
| /* access to ui_out format private members */ |
| |
| static void |
| field_separator (struct ui_out *uiout) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| if (data->supress_field_separator) |
| data->supress_field_separator = 0; |
| else |
| fputc_unfiltered (',', data->buffer); |
| } |
| |
| static void |
| list_open (struct ui_out *uiout) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| fputc_unfiltered ('{', data->buffer); |
| } |
| |
| static void |
| list_close (struct ui_out *uiout) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| fputc_unfiltered ('}', data->buffer); |
| } |
| |
| /* add a string to the buffer */ |
| |
| void |
| mi_out_buffered (struct ui_out *uiout, char *string) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| fprintf_unfiltered (data->buffer, "%s", string); |
| } |
| |
| /* clear the buffer */ |
| |
| void |
| mi_out_rewind (struct ui_out *uiout) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| ui_file_rewind (data->buffer); |
| } |
| |
| /* dump the buffer onto the specified stream */ |
| |
| static void |
| do_write (void *data, const char *buffer, long length_buffer) |
| { |
| ui_file_write (data, buffer, length_buffer); |
| } |
| |
| void |
| mi_out_put (struct ui_out *uiout, |
| struct ui_file *stream) |
| { |
| struct ui_out_data *data = ui_out_data (uiout); |
| ui_file_put (data->buffer, do_write, stream); |
| ui_file_rewind (data->buffer); |
| } |
| |
| /* initalize private members at startup */ |
| |
| struct ui_out * |
| mi_out_new (void) |
| { |
| int flags = 0; |
| struct ui_out_data *data = XMALLOC (struct ui_out_data); |
| data->supress_field_separator = 0; |
| /* FIXME: This code should be using a ``string_file'' and not the |
| TUI buffer hack. */ |
| data->buffer = mem_fileopen (); |
| return ui_out_new (&mi_ui_out_impl, data, flags); |
| } |
| |
| /* standard gdb initialization hook */ |
| void |
| _initialize_mi_out (void) |
| { |
| /* nothing happens here */ |
| } |