/* * Utility routines * * Copyright 1998 Bertho A. Stultiens * Copyright 2002 Ove Kaaven * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include "config.h" #include "wine/port.h" #include <assert.h> #include <stdio.h> #include <stdlib.h> #include <stdarg.h> #include <string.h> #include <ctype.h> #include "widl.h" #include "utils.h" #include "parser.h" #define CURRENT_LOCATION { input_name ? input_name : "stdin", line_number, parser_text } static const int want_near_indication = 0; static void make_print(char *str) { while(*str) { if(!isprint(*str)) *str = ' '; str++; } } static void generic_msg(const loc_info_t *loc_info, const char *s, const char *t, va_list ap) { fprintf(stderr, "%s:%d: %s: ", loc_info->input_name, loc_info->line_number, t); vfprintf(stderr, s, ap); if (want_near_indication) { char *cpy; if(loc_info->near_text) { cpy = xstrdup(loc_info->near_text); make_print(cpy); fprintf(stderr, " near '%s'", cpy); free(cpy); } } } void error_loc(const char *s, ...) { loc_info_t cur_loc = CURRENT_LOCATION; va_list ap; va_start(ap, s); generic_msg(&cur_loc, s, "error", ap); va_end(ap); exit(1); } /* yyerror: yacc assumes this is not newline terminated. */ void parser_error(const char *s) { error_loc("%s\n", s); } void error_loc_info(const loc_info_t *loc_info, const char *s, ...) { va_list ap; va_start(ap, s); generic_msg(loc_info, s, "error", ap); va_end(ap); exit(1); } int parser_warning(const char *s, ...) { loc_info_t cur_loc = CURRENT_LOCATION; va_list ap; va_start(ap, s); generic_msg(&cur_loc, s, "warning", ap); va_end(ap); return 0; } void error(const char *s, ...) { va_list ap; va_start(ap, s); fprintf(stderr, "error: "); vfprintf(stderr, s, ap); va_end(ap); exit(2); } void warning(const char *s, ...) { va_list ap; va_start(ap, s); fprintf(stderr, "warning: "); vfprintf(stderr, s, ap); va_end(ap); } void warning_loc_info(const loc_info_t *loc_info, const char *s, ...) { va_list ap; va_start(ap, s); generic_msg(loc_info, s, "warning", ap); va_end(ap); } void chat(const char *s, ...) { if(debuglevel & DEBUGLEVEL_CHAT) { va_list ap; va_start(ap, s); fprintf(stderr, "chat: "); vfprintf(stderr, s, ap); va_end(ap); } } char *dup_basename(const char *name, const char *ext) { int namelen; int extlen = strlen(ext); char *base; char *slash; if(!name) name = "widl.tab"; slash = strrchr(name, '/'); if (!slash) slash = strrchr(name, '\\'); if (slash) name = slash + 1; namelen = strlen(name); /* +4 for later extension and +1 for '\0' */ base = xmalloc(namelen +4 +1); strcpy(base, name); if(!strcasecmp(name + namelen-extlen, ext)) { base[namelen - extlen] = '\0'; } return base; } size_t widl_getline(char **linep, size_t *lenp, FILE *fp) { char *line = *linep; size_t len = *lenp; size_t n = 0; if (!line) { len = 64; line = xmalloc(len); } while (fgets(&line[n], len - n, fp)) { n += strlen(&line[n]); if (line[n - 1] == '\n') break; else if (n == len - 1) { len *= 2; line = xrealloc(line, len); } } *linep = line; *lenp = len; return n; } void *xmalloc(size_t size) { void *res; assert(size > 0); res = malloc(size); if(res == NULL) { error("Virtual memory exhausted.\n"); } memset(res, 0x55, size); return res; } void *xrealloc(void *p, size_t size) { void *res; assert(size > 0); res = realloc(p, size); if(res == NULL) { error("Virtual memory exhausted.\n"); } return res; } char *xstrdup(const char *str) { char *s; assert(str != NULL); s = xmalloc(strlen(str)+1); return strcpy(s, str); }