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( def->name, def->value );
52 static void del_cmdline_defines(void)
56 for (def = cmdline_defines; def; def = def->next)
58 if (def->value) pp_del_define( def->name );
62 static void add_special_defines(void)
64 time_t now = time(NULL);
68 strftime(buf, sizeof(buf), "\"%b %d %Y\"", localtime(&now));
69 pp_add_define( "__DATE__", buf );
71 strftime(buf, sizeof(buf), "\"%H:%M:%S\"", localtime(&now));
72 pp_add_define( "__TIME__", buf );
74 ppp = pp_add_define( "__FILE__", "" );
76 ppp->type = def_special;
78 ppp = pp_add_define( "__LINE__", "" );
80 ppp->type = def_special;
83 static void del_special_defines(void)
85 pp_del_define( "__DATE__" );
86 pp_del_define( "__TIME__" );
87 pp_del_define( "__FILE__" );
88 pp_del_define( "__LINE__" );
92 /* add a define to the preprocessor list */
93 int wpp_add_define( const char *name, const char *value )
97 if (!value) value = "";
99 for (def = cmdline_defines; def; def = def->next)
101 if (!strcmp( def->name, name ))
103 char *new_value = pp_xstrdup(value);
107 def->value = new_value;
113 def = pp_xmalloc( sizeof(*def) );
116 def->next = cmdline_defines;
117 def->name = pp_xstrdup(name);
123 def->value = pp_xstrdup(value);
130 cmdline_defines = def;
135 /* undefine a previously added definition */
136 void wpp_del_define( const char *name )
140 for (def = cmdline_defines; def; def = def->next)
142 if (!strcmp( def->name, name ))
152 /* add a command-line define of the form NAME=VALUE */
153 int wpp_add_cmdline_define( const char *value )
156 char *str = pp_xstrdup(value);
159 p = strchr( str, '=' );
161 wpp_add_define( str, p );
167 /* set the various debug flags */
168 void wpp_set_debug( int lex_debug, int parser_debug, int msg_debug )
170 pp_flex_debug = lex_debug;
171 ppy_debug = parser_debug;
172 pp_status.debug = msg_debug;
176 /* set the pedantic mode */
177 void wpp_set_pedantic( int on )
179 pp_status.pedantic = on;
183 /* the main preprocessor parsing loop */
184 int wpp_parse( const char *input, FILE *output )
188 pp_status.input = NULL;
189 pp_status.line_number = 1;
190 pp_status.char_number = 1;
193 ret = pp_push_define_state();
196 add_cmdline_defines();
197 add_special_defines();
199 if (!input) pp_status.file = stdin;
200 else if (!(pp_status.file = wpp_callbacks->open(input, 1)))
202 ppy_error("Could not open %s\n", input);
203 del_special_defines();
204 del_cmdline_defines();
205 pp_pop_define_state();
209 pp_status.input = input;
212 pp_writestring("# 1 \"%s\" 1\n", input ? input : "");
215 /* If there were errors during processing, return an error code */
216 if (!ret && pp_status.state) ret = pp_status.state;
218 if (input) wpp_callbacks->close(pp_status.file);
219 /* Clean if_stack, it could remain dirty on errors */
220 while (pp_get_if_depth()) pp_pop_if();
221 del_special_defines();
222 del_cmdline_defines();
223 pp_pop_define_state();
228 void wpp_set_callbacks( const struct wpp_callbacks *callbacks )
230 wpp_callbacks = callbacks;