151 lines
3.6 KiB
C
151 lines
3.6 KiB
C
/*
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* Exported functions of the Wine preprocessor
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*
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* Copyrignt 1998 Bertho A. Stultiens
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* Copyright 2002 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <time.h>
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#include <stdlib.h>
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#include "wpp_private.h"
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#include "wpp.h"
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int ppdebug;
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static void add_special_defines(void)
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{
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time_t now = time(NULL);
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pp_entry_t *ppp;
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char buf[32];
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strftime(buf, sizeof(buf), "\"%b %d %Y\"", localtime(&now));
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pp_add_define( pp_xstrdup("__DATE__"), pp_xstrdup(buf) );
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strftime(buf, sizeof(buf), "\"%H:%M:%S\"", localtime(&now));
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pp_add_define( pp_xstrdup("__TIME__"), pp_xstrdup(buf) );
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ppp = pp_add_define( pp_xstrdup("__FILE__"), pp_xstrdup("") );
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ppp->type = def_special;
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ppp = pp_add_define( pp_xstrdup("__LINE__"), pp_xstrdup("") );
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ppp->type = def_special;
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}
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/* add a define to the preprocessor list */
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void wpp_add_define( const char *name, const char *value )
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{
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if (!value) value = "";
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pp_add_define( pp_xstrdup(name), pp_xstrdup(value) );
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}
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/* undefine a previously added definition */
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void wpp_del_define( const char *value )
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{
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pp_del_define( value );
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}
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/* add a command-line define of the form NAME=VALUE */
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void wpp_add_cmdline_define( const char *value )
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{
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char *str = pp_xstrdup(value);
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char *p = strchr( str, '=' );
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if (p) *p++ = 0;
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else p = "";
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pp_add_define( str, pp_xstrdup(p) );
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}
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/* set the various debug flags */
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void wpp_set_debug( int lex_debug, int parser_debug, int msg_debug )
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{
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pp_flex_debug = lex_debug;
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ppdebug = parser_debug;
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pp_status.debug = msg_debug;
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}
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/* set the pedantic mode */
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void wpp_set_pedantic( int on )
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{
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pp_status.pedantic = on;
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}
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/* the main preprocessor parsing loop */
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int wpp_parse( const char *input, FILE *output )
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{
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int ret;
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add_special_defines();
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if (!input) ppin = stdin;
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else if (!(ppin = fopen(input, "rt")))
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{
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fprintf(stderr,"Could not open %s\n", input);
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exit(2);
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}
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pp_status.input = input;
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ppout = output;
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fprintf(ppout, "# 1 \"%s\" 1\n", input ? input : "");
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ret = ppparse();
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if (input) fclose(ppin);
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return ret;
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}
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/* parse into a temporary file */
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int wpp_parse_temp( const char *input, const char *output_base, char **output_name )
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{
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FILE *output;
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int ret, fd;
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char *temp_name;
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if (!output_base || !output_base[0]) output_base = "wpptmp";
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temp_name = pp_xmalloc( strlen(output_base) + 8 );
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strcpy( temp_name, output_base );
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strcat( temp_name, ".XXXXXX" );
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if((fd = mkstemps( temp_name, 0 )) == -1)
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{
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fprintf(stderr, "Could not generate a temp name from %s\n", temp_name);
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exit(2);
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}
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if (!(output = fdopen(fd, "wt")))
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{
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fprintf(stderr,"Could not open fd %s for writing\n", temp_name);
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exit(2);
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}
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*output_name = temp_name;
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ret = wpp_parse( input, output );
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fclose( output );
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return ret;
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}
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