static void add_cmdline_defines(void) { struct define *def; for (def = cmdline_defines; def; def = def->next) { if (def->value) pp_add_define( pp_xstrdup(def->name), pp_xstrdup(def->value) ); } }
/* add a command-line define of the form NAME=VALUE */ void wpp_add_cmdline_define( const char *value ) { char *str = pp_xstrdup(value); char *p = strchr( str, '=' ); if (p) *p++ = 0; wpp_add_define( str, p ); free( str ); }
/* add a command-line define of the form NAME=VALUE */ int wpp_add_cmdline_define( const char *value ) { char *p; char *str = pp_xstrdup(value); if(!str) return 1; p = strchr( str, '=' ); if (p) *p++ = 0; wpp_add_define( str, p ); free( str ); return 0; }
/* add a define to the preprocessor list */ int wpp_add_define( const char *name, const char *value ) { struct define *def; if (!value) value = ""; for (def = cmdline_defines; def; def = def->next) { if (!strcmp( def->name, name )) { char *new_value = pp_xstrdup(value); if(!new_value) return 1; free( def->value ); def->value = new_value; return 0; } } def = pp_xmalloc( sizeof(*def) ); if(!def) return 1; def->next = cmdline_defines; def->name = pp_xstrdup(name); if(!def->name) { free(def); return 1; } def->value = pp_xstrdup(value); if(!def->value) { free(def->name); free(def); return 1; } cmdline_defines = def; return 0; }
/* add a define to the preprocessor list */ void wpp_add_define( const char *name, const char *value ) { struct define *def; if (!value) value = ""; for (def = cmdline_defines; def; def = def->next) { if (!strcmp( def->name, name )) { if (def->value) free( def->value ); def->value = pp_xstrdup(value); return; } } def = pp_xmalloc( sizeof(*def) ); def->next = cmdline_defines; def->name = pp_xstrdup(name); def->value = pp_xstrdup(value); cmdline_defines = def; }
static void add_special_defines(void) { time_t now = time(NULL); pp_entry_t *ppp; char buf[32]; strftime(buf, sizeof(buf), "\"%b %d %Y\"", localtime(&now)); pp_add_define( pp_xstrdup("__DATE__"), pp_xstrdup(buf) ); strftime(buf, sizeof(buf), "\"%H:%M:%S\"", localtime(&now)); pp_add_define( pp_xstrdup("__TIME__"), pp_xstrdup(buf) ); ppp = pp_add_define( pp_xstrdup("__FILE__"), pp_xstrdup("") ); ppp->type = def_special; ppp = pp_add_define( pp_xstrdup("__LINE__"), pp_xstrdup("") ); ppp->type = def_special; }
/* the main preprocessor parsing loop */ int wpp_parse( const char *input, FILE *output ) { int ret; pp_status.input = NULL; pp_status.line_number = 1; pp_status.char_number = 1; pp_status.state = 0; ret = pp_push_define_state(); if(ret) return ret; add_cmdline_defines(); add_special_defines(); if (!input) pp_status.file = stdin; else if (!(pp_status.file = wpp_callbacks->open(input, 1))) { ppy_error("Could not open %s\n", input); del_special_defines(); del_cmdline_defines(); pp_pop_define_state(); return 2; } pp_status.input = input ? pp_xstrdup(input) : NULL; ppy_out = output; pp_writestring("# 1 \"%s\" 1\n", input ? input : ""); ret = ppy_parse(); /* If there were errors during processing, return an error code */ if (!ret && pp_status.state) ret = pp_status.state; if (input) { wpp_callbacks->close(pp_status.file); free(pp_status.input); } /* Clean if_stack, it could remain dirty on errors */ while (pp_get_if_depth()) pp_pop_if(); del_special_defines(); del_cmdline_defines(); pp_pop_define_state(); return ret; }