2 * Exported functions of the Wine preprocessor
4 * Copyright 1998 Bertho A. Stultiens
5 * Copyright 2002 Alexandre Julliard
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/port.h"
28 #include "wpp_private.h"
31 int ppy_debug, pp_flex_debug;
40 static struct define *cmdline_defines;
42 static void add_cmdline_defines(void)
46 for (def = cmdline_defines; def; def = def->next)
48 if (def->value) pp_add_define( pp_xstrdup(def->name), pp_xstrdup(def->value) );
52 static void add_special_defines(void)
54 time_t now = time(NULL);
58 strftime(buf, sizeof(buf), "\"%b %d %Y\"", localtime(&now));
59 pp_add_define( pp_xstrdup("__DATE__"), pp_xstrdup(buf) );
61 strftime(buf, sizeof(buf), "\"%H:%M:%S\"", localtime(&now));
62 pp_add_define( pp_xstrdup("__TIME__"), pp_xstrdup(buf) );
64 ppp = pp_add_define( pp_xstrdup("__FILE__"), pp_xstrdup("") );
65 ppp->type = def_special;
67 ppp = pp_add_define( pp_xstrdup("__LINE__"), pp_xstrdup("") );
68 ppp->type = def_special;
72 /* add a define to the preprocessor list */
73 void wpp_add_define( const char *name, const char *value )
77 if (!value) value = "";
79 for (def = cmdline_defines; def; def = def->next)
81 if (!strcmp( def->name, name ))
84 def->value = pp_xstrdup(value);
89 def = pp_xmalloc( sizeof(*def) );
90 def->next = cmdline_defines;
91 def->name = pp_xstrdup(name);
92 def->value = pp_xstrdup(value);
93 cmdline_defines = def;
97 /* undefine a previously added definition */
98 void wpp_del_define( const char *name )
102 for (def = cmdline_defines; def; def = def->next)
104 if (!strcmp( def->name, name ))
114 /* add a command-line define of the form NAME=VALUE */
115 void wpp_add_cmdline_define( const char *value )
117 char *str = pp_xstrdup(value);
118 char *p = strchr( str, '=' );
120 wpp_add_define( str, p );
125 /* set the various debug flags */
126 void wpp_set_debug( int lex_debug, int parser_debug, int msg_debug )
128 pp_flex_debug = lex_debug;
129 ppy_debug = parser_debug;
130 pp_status.debug = msg_debug;
134 /* set the pedantic mode */
135 void wpp_set_pedantic( int on )
137 pp_status.pedantic = on;
141 /* the main preprocessor parsing loop */
142 int wpp_parse( const char *input, FILE *output )
146 pp_status.input = NULL;
148 pp_push_define_state();
149 add_cmdline_defines();
150 add_special_defines();
152 if (!input) ppy_in = stdin;
153 else if (!(ppy_in = fopen(input, "rt")))
155 fprintf(stderr,"Could not open %s\n", input);
159 pp_status.input = input;
162 fprintf(ppy_out, "# 1 \"%s\" 1\n", input ? input : "");
166 if (input) fclose(ppy_in);
167 pp_pop_define_state();
172 /* parse into a temporary file */
173 int wpp_parse_temp( const char *input, const char *output_base, char **output_name )
179 if (!output_base || !output_base[0]) output_base = "wpptmp";
181 temp_name = pp_xmalloc( strlen(output_base) + 8 );
182 strcpy( temp_name, output_base );
183 strcat( temp_name, ".XXXXXX" );
185 if((fd = mkstemps( temp_name, 0 )) == -1)
187 fprintf(stderr, "Could not generate a temp name from %s\n", temp_name);
191 if (!(output = fdopen(fd, "wt")))
193 fprintf(stderr,"Could not open fd %s for writing\n", temp_name);
197 *output_name = temp_name;
198 ret = wpp_parse( input, output );