| /* |
| * Raw preprocessor (preforms NO preprocessing) |
| * |
| * Copyright (C) 2001 Peter Johnson |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #include <util.h> |
| /*@unused@*/ RCSID("$Id$"); |
| |
| #define YASM_LIB_INTERNAL |
| #include <libyasm.h> |
| |
| |
| typedef struct yasm_preproc_raw { |
| yasm_preproc_base preproc; /* base structure */ |
| |
| int is_interactive; |
| FILE *in; |
| yasm_linemap *cur_lm; |
| } yasm_preproc_raw; |
| |
| yasm_preproc_module yasm_raw_LTX_preproc; |
| |
| int isatty(int); |
| |
| static yasm_preproc * |
| raw_preproc_create(FILE *f, const char *in_filename, yasm_linemap *lm) |
| { |
| yasm_preproc_raw *preproc_raw = yasm_xmalloc(sizeof(yasm_preproc_raw)); |
| |
| preproc_raw->preproc.module = &yasm_raw_LTX_preproc; |
| preproc_raw->in = f; |
| preproc_raw->cur_lm = lm; |
| /*@-unrecog@*/ |
| preproc_raw->is_interactive = f ? (isatty(fileno(f)) > 0) : 0; |
| /*@=unrecog@*/ |
| |
| return (yasm_preproc *)preproc_raw; |
| } |
| |
| static void |
| raw_preproc_destroy(yasm_preproc *preproc) |
| { |
| yasm_xfree(preproc); |
| } |
| |
| static size_t |
| raw_preproc_input(yasm_preproc *preproc, char *buf, size_t max_size) |
| { |
| yasm_preproc_raw *preproc_raw = (yasm_preproc_raw *)preproc; |
| int c = '*'; |
| size_t n; |
| |
| if (preproc_raw->is_interactive) { |
| for (n = 0; n < max_size && (c = getc(preproc_raw->in)) != EOF && |
| c != '\n'; n++) |
| buf[n] = (char)c; |
| if (c == '\n') |
| buf[n++] = (char)c; |
| if (c == EOF && ferror(preproc_raw->in)) |
| yasm__error(yasm_linemap_get_current(preproc_raw->cur_lm), |
| N_("error when reading from file")); |
| } else if (((n = fread(buf, 1, max_size, preproc_raw->in)) == 0) && |
| ferror(preproc_raw->in)) |
| yasm__error(yasm_linemap_get_current(preproc_raw->cur_lm), |
| N_("error when reading from file")); |
| |
| return n; |
| } |
| |
| static size_t |
| raw_preproc_get_included_file(yasm_preproc *preproc, char *buf, |
| size_t max_size) |
| { |
| /* no included files */ |
| return 0; |
| } |
| |
| static void |
| raw_preproc_add_include_path(yasm_preproc *preproc, const char *path) |
| { |
| /* no include paths */ |
| } |
| |
| static void |
| raw_preproc_add_include_file(yasm_preproc *preproc, const char *filename) |
| { |
| /* no pre-include files */ |
| } |
| |
| static void |
| raw_preproc_predefine_macro(yasm_preproc *preproc, const char *macronameval) |
| { |
| /* no pre-defining macros */ |
| } |
| |
| static void |
| raw_preproc_undefine_macro(yasm_preproc *preproc, const char *macroname) |
| { |
| /* no undefining macros */ |
| } |
| |
| static void |
| raw_preproc_define_builtin(yasm_preproc *preproc, const char *macronameval) |
| { |
| /* no builtin defines */ |
| } |
| |
| |
| /* Define preproc structure -- see preproc.h for details */ |
| yasm_preproc_module yasm_raw_LTX_preproc = { |
| "Disable preprocessing", |
| "raw", |
| raw_preproc_create, |
| raw_preproc_destroy, |
| raw_preproc_input, |
| raw_preproc_get_included_file, |
| raw_preproc_add_include_path, |
| raw_preproc_add_include_file, |
| raw_preproc_predefine_macro, |
| raw_preproc_undefine_macro, |
| raw_preproc_define_builtin |
| }; |