warzone2100/lib/framework/resource_parser.y

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/*
This file is part of Warzone 2100.
Copyright (C) 1999-2004 Eidos Interactive
Copyright (C) 2005-2007 Warzone Resurrection Project
Warzone 2100 is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Warzone 2100 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with Warzone 2100; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
%{
/*
* resource.y
*
* Yacc file for parsing RES files
*/
int res_lex (void);
/* Allow frame header files to be singly included */
#define FRAME_LIB_INCLUDE
// directory printfs
#define DEBUG_GROUP0
#include <string.h>
#include <stdlib.h>
#include "lib/framework/frame.h"
#include "lib/framework/frameresource.h"
#include "lib/framework/resly.h"
/*
* A simple error reporting routine
*/
void res_error(const char *pMessage,...)
{
int line;
char *pText;
resGetErrorData(&line, &pText);
debug( LOG_ERROR, "RES file parse error:\n%s at line %d\nText: '%s'\n", pMessage, line, pText );
abort();
}
%}
%name-prefix="res_"
%union {
char *sval;
}
/* value tokens */
%token <sval> TEXT_T
%token <sval> QTEXT_T /* Text with double quotes surrounding it */
/* keywords */
%token DIRECTORY
%token FILETOKEN
%%
res_file: res_line
| res_file res_line
;
res_line: dir_line
| file_line
;
dir_line: DIRECTORY QTEXT_T {
UDWORD len;
// set a new input directory
debug( LOG_NEVER, "directory: %s\n", $2 );
if ($2[1] == ':' ||
$2[0] == '/')
{
// the new dir is rooted
strcpy(aCurrResDir, $2);
}
else
{
strcpy(aCurrResDir, aResDir);
strcpy(aCurrResDir + strlen(aResDir),
$2);
}
if (strlen($2) > 0)
{
// Add a trailing '/'
len = strlen(aCurrResDir);
aCurrResDir[len] = '/';
aCurrResDir[len+1] = 0;
// debug( LOG_NEVER, "aCurrResDir: %s\n", aCurrResDir);
}
}
;
file_line: FILETOKEN TEXT_T QTEXT_T
{
/* load a data file */
debug( LOG_NEVER, "file: %s %s\n", $2, $3);
if (!resLoadFile($2, $3))
{
YYABORT;
}
}
;
%%