mirror of
https://github.com/yquake2/extractfunctions.git
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844 lines
18 KiB
C
844 lines
18 KiB
C
/*
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===========================================================================
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Return to Castle Wolfenstein single player GPL Source Code
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Copyright (C) 1999-2010 id Software LLC, a ZeniMax Media company.
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This file is part of the Return to Castle Wolfenstein single player GPL Source Code (RTCW SP Source Code).
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RTCW SP Source Code is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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RTCW SP Source Code 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with RTCW SP Source Code. If not, see <http://www.gnu.org/licenses/>.
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In addition, the RTCW SP Source Code is also subject to certain additional terms.
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You should have received a copy of these additional terms immediately following the
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terms and conditions of the GNU General Public License which accompanied the RTCW SP
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Source Code. If not, please request a copy in writing from id Software at the address below.
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If you have questions concerning this license or the applicable additional terms,
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you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
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===========================================================================
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*/
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#include "ef_local.h"
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replacefunc_t *replacefuncs;
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int numfuncs;
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#define MAX_TOKEN_LIST 64
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tokenList_t tokenList[MAX_TOKEN_LIST];
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int tokenListHead = 0;
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int verbose = 0;
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// the function names
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//#define DEFAULT_FUNCBASE "g_func"
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static char *func_listfile = "g_func_list.h";
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static char *func_decsfile = "g_func_decs.h";
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#define TEMP_LIST_NAME "g_func_list.tmp"
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#define TEMP_DECS_NAME "g_func_decs.tmp"
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//===========================================================================
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#if 0
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/*
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=================
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WriteWhiteSpace
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=================
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*/
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void WriteWhiteSpace (FILE *fp, script_t *script)
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{
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int c;
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//write out the white space
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c = PS_NextWhiteSpaceChar( script );
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while ( c )
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{
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//NOTE: do NOT write out carriage returns (for unix/linux compatibility
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if ( c != 13 ) {
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fputc( c, fp );
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}
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c = PS_NextWhiteSpaceChar( script );
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} //end while
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} //end of the function WriteWhiteSpace
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/*
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=================
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WriteString
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=================
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*/
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void WriteString (FILE *fp, script_t *script)
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{
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char *ptr;
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ptr = script->endwhitespace_p;
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while ( ptr < script->script_p )
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{
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fputc( *ptr, fp );
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ptr++;
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} //end while
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} //end of the function WriteString
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/*
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=================
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ScrewUpFile
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=================
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*/
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void ScrewUpFile (char *oldfile, char *newfile)
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{
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FILE *fp;
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script_t *script;
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token_t token;
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replacefunc_t *f;
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char *ptr;
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printf( "screwing up file %s\n", oldfile );
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script = LoadScriptFile( oldfile );
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if ( !script ) {
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Error( "error opening %s\n", oldfile );
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}
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fp = fopen( newfile, "wb" );
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if ( !fp ) {
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Error( "error opening %s\n", newfile );
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}
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//
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while ( PS_ReadToken( script, &token ) )
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{
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WriteWhiteSpace( fp, script );
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if ( token.type == TT_NAME )
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{
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f = FindFunctionName( token.string );
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if ( f ) {
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ptr = f->newname;
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} else { ptr = token.string;}
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while ( *ptr )
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{
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fputc( *ptr, fp );
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ptr++;
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} //end while
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} //end if
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else
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{
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WriteString( fp, script );
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} //end else
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} //end while
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WriteWhiteSpace( fp, script );
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FreeMemory( script );
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fclose( fp );
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} //end of the function ScrewUpFile
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#endif
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/*
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=================
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Error
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=================
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*/
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void Error (char *error, ...)
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{
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va_list argptr;
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va_start( argptr, error );
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vprintf( error, argptr );
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va_end( argptr );
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exit( 1 );
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}
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/*
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=================
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DumpReplaceFunctions
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=================
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*/
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void DumpReplaceFunctions (char *typeName)
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{
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replacefunc_t *rf;
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char path[_MAX_PATH];
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FILE *f;
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int len, newlen;
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unsigned char *buf, *newbuf = NULL;
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int updated;
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updated = 0;
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// dump the function header
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strcpy( path, "." );
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strcat( path, PATHSEPERATOR_STR );
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strcat( path, TEMP_LIST_NAME );
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Log_Open( path );
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for ( rf = replacefuncs; rf; rf = rf->next )
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{
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if (typeName)
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Log_Print( "{\"%s\", &%s},\n", rf->name, rf->name );
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else
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Log_Print( "{\"%s\", (byte *)%s},\n", rf->name, rf->name );
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} //end for
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Log_Print( "{0, 0}\n" );
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Log_Close();
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// if it's different, rename the file over the real header
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strcpy( path, TEMP_LIST_NAME );
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f = fopen( path, "rb" );
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fseek( f, 0, SEEK_END );
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len = ftell( f );
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buf = (unsigned char *) malloc( len + 1 );
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fseek( f, 0, SEEK_SET );
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fread( buf, len, 1, f );
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buf[len] = 0;
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fclose( f );
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strcpy( path, func_listfile );
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if ((f = fopen( path, "rb" )) != NULL)
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{
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fseek( f, 0, SEEK_END );
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newlen = ftell( f );
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newbuf = (unsigned char *) malloc( newlen + 1 );
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fseek( f, 0, SEEK_SET );
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fread( newbuf, newlen, 1, f );
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newbuf[newlen] = 0;
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fclose( f );
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if ( len != newlen || Q_stricmp( buf, newbuf ) )
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{
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char newpath[_MAX_PATH];
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// delete the old file, rename the new one
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strcpy( path, func_listfile );
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remove( path );
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strcpy( newpath, TEMP_LIST_NAME );
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rename( newpath, path );
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#ifdef _WIN32
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// make g_save recompile itself
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remove( "debug\\g_save.obj" );
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remove( "debug\\g_save.sbr" );
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remove( "release\\g_save.obj" );
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remove( "release\\g_save.sbr" );
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#endif
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updated = 1;
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}
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else {
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// delete the old file
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strcpy( path, TEMP_LIST_NAME );
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remove( path );
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}
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}
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else {
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rename( TEMP_LIST_NAME, func_listfile );
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}
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free( buf );
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free( newbuf );
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// dump the function declarations
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strcpy( path, TEMP_DECS_NAME );
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Log_Open( path );
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for ( rf = replacefuncs; rf; rf = rf->next )
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{
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if (typeName)
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Log_Print( "extern %s %s;\n", typeName, rf->dec );
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else
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Log_Print( "extern %s;\n", rf->dec );
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} //end for
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Log_Close();
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// if it's different, rename the file over the real header
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strcpy( path, TEMP_DECS_NAME );
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f = fopen( path, "rb" );
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fseek( f, 0, SEEK_END );
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len = ftell( f );
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buf = (unsigned char *) malloc( len + 1 );
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fseek( f, 0, SEEK_SET );
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fread( buf, len, 1, f );
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buf[len] = 0;
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fclose( f );
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strcpy( path, func_decsfile );
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if ((f = fopen( path, "rb" )) != NULL)
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{
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fseek( f, 0, SEEK_END );
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newlen = ftell( f );
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newbuf = (unsigned char *) malloc( newlen + 1 );
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fseek( f, 0, SEEK_SET );
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fread( newbuf, newlen, 1, f );
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newbuf[newlen] = 0;
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fclose( f );
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if ( len != newlen || Q_stricmp( buf, newbuf ) )
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{
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char newpath[_MAX_PATH];
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// delete the old file, rename the new one
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strcpy( path, func_decsfile );
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remove( path );
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strcpy( newpath, TEMP_DECS_NAME );
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rename( newpath, path );
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#ifdef _WIN32
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// make g_save recompile itself
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// NOTE TTimo win32 only? (harmless on *nix anyway)
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remove( "debug\\g_save.obj" );
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remove( "debug\\g_save.sbr" );
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remove( "release\\g_save.obj" );
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remove( "release\\g_save.sbr" );
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#endif
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updated = 1;
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}
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else {
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// delete the old file
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strcpy( path, TEMP_DECS_NAME );
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remove( path );
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}
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}
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else {
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rename( TEMP_DECS_NAME, func_decsfile );
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}
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free( buf );
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if (newbuf)
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free( newbuf );
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#ifdef _WIN32
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if ( updated ) {
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printf( "Updated the function table, recompile required.\n" );
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}
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#endif
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} // end of the function DumpReplaceFunctions
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/*
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=================
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FindFunctionName
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=================
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*/
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replacefunc_t *FindFunctionName (char *funcname)
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{
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replacefunc_t *f;
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for (f = replacefuncs; f; f = f->next)
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{
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if ( !strcmp(f->name, funcname) )
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{
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return f;
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}
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} //end for
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return NULL;
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} //end of the function FindFunctionName
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/*
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=================
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MayScrewUp
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=================
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*/
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int MayScrewUp (char *funcname)
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{
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if ( !strcmp(funcname, "GetBotAPI") )
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{
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return false;
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}
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if ( !strcmp(funcname, "main") )
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{
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return false;
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}
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if ( !strcmp(funcname, "WinMain") )
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{
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return false;
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}
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return true;
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} //end of the function MayScrewUp
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/*
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=================
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ConcatDec
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=================
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*/
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void ConcatDec (tokenList_t *list, char *str, int inc)
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{
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/* if (!((list->token.type == TT_NAME) || (list->token.string[0] == '*'))) {
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if (list->token.string[0] == ')' || list->token.string[0] == '(') {
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if (inc++ >= 2)
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return;
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} else {
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return;
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}
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}*/
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if (list->next)
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{
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ConcatDec (list->next, str, inc);
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}
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strcat(str, list->token.string);
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strcat(str, " " );
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}
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/*
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=================
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AddFunctionName
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=================
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*/
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void AddFunctionName (char *funcname, char *filename, tokenList_t *head)
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{
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replacefunc_t *f;
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tokenList_t *list;
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if ( FindFunctionName(funcname) )
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{
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return;
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}
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#if defined( __linux__ ) || defined( __FreeBSD__ )
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// the bad thing is, this doesn't preprocess .. on __linux__ this
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// function is not implemented (q_math.c)
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if ( !Q_stricmp( funcname, "BoxOnPlaneSide" ) ) {
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return;
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}
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#endif
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// NERVE - SMF - workaround for Graeme's predifined MACOSX functions
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// TTimo - looks like linux version needs to escape those too
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#if defined( _WIN32 ) || defined( __linux__ ) || defined( __FreeBSD__ )
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if ( !Q_stricmp(funcname, "qmax") ) {
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return;
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}
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else if ( !Q_stricmp(funcname, "qmin") ) {
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return;
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}
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#endif
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// -NERVE - SMF
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f = (replacefunc_t *) GetMemory( sizeof( replacefunc_t ) + strlen( funcname ) + 1 + 6 + strlen( filename ) + 1 );
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f->name = (char *) f + sizeof( replacefunc_t );
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strcpy( f->name, funcname );
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f->newname = (char *) f + sizeof( replacefunc_t ) + strlen( funcname ) + 1;
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sprintf( f->newname, "F%d", numfuncs++ );
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f->filename = (char *) f + sizeof( replacefunc_t ) + strlen( funcname ) + 1 + strlen( f->newname ) + 1;
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strcpy( f->filename, filename );
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f->next = replacefuncs;
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replacefuncs = f;
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// construct the declaration
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list = head;
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f->dec[0] = '\0';
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ConcatDec( list, f->dec, 0 );
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} //end of the function AddFunctionName
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|
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/*
|
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=================
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AddTokenToList
|
||
=================
|
||
*/
|
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void AddTokenToList (tokenList_t **head, token_t *token)
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{
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tokenList_t *newhead;
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newhead = &tokenList[tokenListHead++]; //GetMemory( sizeof( tokenList_t ) );
|
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if ( tokenListHead == MAX_TOKEN_LIST ) {
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tokenListHead = 0;
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}
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newhead->next = *head;
|
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newhead->token = *token;
|
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|
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*head = newhead;
|
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}
|
||
|
||
#if 0
|
||
/*
|
||
=================
|
||
KillTokenList
|
||
=================
|
||
*/
|
||
void KillTokenList (tokenList_t *head)
|
||
{
|
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if (head->next) {
|
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KillTokenList( head->next );
|
||
FreeMemory( head->next );
|
||
head->next = NULL;
|
||
}
|
||
}
|
||
#endif
|
||
|
||
/*
|
||
=================
|
||
StripTokenList
|
||
=================
|
||
*/
|
||
void StripTokenList (tokenList_t *head)
|
||
{
|
||
tokenList_t *trav, *lastTrav;
|
||
|
||
trav = head;
|
||
|
||
// now go back to the start of the declaration
|
||
lastTrav = trav;
|
||
trav = trav->next; // should be on the function name now
|
||
while ( ( trav->token.type == TT_NAME ) || ( trav->token.string[0] == '*' ) )
|
||
{
|
||
lastTrav = trav;
|
||
trav = trav->next;
|
||
if ( !trav ) {
|
||
return;
|
||
}
|
||
}
|
||
// now kill everything after lastTrav
|
||
// KillTokenList( lastTrav );
|
||
lastTrav->next = NULL;
|
||
}
|
||
|
||
/*
|
||
=================
|
||
GetTypeNamesFromFile
|
||
|
||
Knightmare- this gets structs / vars of a given type
|
||
=================
|
||
*/
|
||
void GetTypeNamesFromFile (char *filename, char *typeName)
|
||
{
|
||
source_t *source;
|
||
token_t token, lasttoken;
|
||
int indent = 0;//, brace;
|
||
int isStatic = 0;
|
||
int isExtern = 0;
|
||
tokenList_t *listHead;
|
||
|
||
printf("BANANE!\n");
|
||
|
||
listHead = NULL;
|
||
source = LoadSourceFile( filename );
|
||
if ( !source ) {
|
||
Error( "error opening %s", filename );
|
||
return;
|
||
}
|
||
|
||
while ( 1 )
|
||
{
|
||
if ( !PC_ReadToken( source, &token ) ) {
|
||
break;
|
||
}
|
||
if ( token.type == TT_PUNCTUATION )
|
||
{
|
||
switch ( token.string[0] )
|
||
{
|
||
case ';':
|
||
isStatic = 0;
|
||
isExtern = 0;
|
||
break;
|
||
case '{':
|
||
indent++;
|
||
break;
|
||
case '}':
|
||
indent--;
|
||
if ( indent < 0 )
|
||
indent = 0;
|
||
break;
|
||
}
|
||
}
|
||
if ( token.type == TT_NAME )
|
||
{ // type declarations for pointer table must be non-static, non-extern, and global in scope
|
||
if ( token.string[0] == 's' && !strcmp( token.string, "static" ) ) {
|
||
isStatic = 1;
|
||
}
|
||
if ( token.string[0] == 'e' && !strcmp( token.string, "extern" ) ) {
|
||
isExtern = 1;
|
||
}
|
||
if ( !isStatic && !isExtern && indent == 0 && !strcmp(token.string, typeName) )
|
||
{
|
||
if ( PC_ReadToken( source, &token ) )
|
||
{
|
||
if ( token.type == TT_NAME )
|
||
{
|
||
if (listHead)
|
||
listHead->next = NULL;
|
||
listHead = NULL;
|
||
AddTokenToList( &listHead, &token );
|
||
AddFunctionName( token.string, filename, listHead );
|
||
}
|
||
}
|
||
}
|
||
}
|
||
memcpy( &lasttoken, &token, sizeof( token_t ) );
|
||
}
|
||
FreeSource( source );
|
||
}
|
||
|
||
/*
|
||
=================
|
||
GetFunctionNamesFromFile
|
||
=================
|
||
*/
|
||
void GetFunctionNamesFromFile (char *filename)
|
||
{
|
||
source_t *source;
|
||
token_t token, lasttoken;
|
||
int indent = 0, brace;
|
||
int isStatic = 0;
|
||
tokenList_t *listHead;
|
||
|
||
// filter some files out
|
||
if ( !Q_stricmp( filename, "bg_lib.c" ) ) {
|
||
return;
|
||
}
|
||
|
||
listHead = NULL;
|
||
source = LoadSourceFile( filename );
|
||
if ( !source ) {
|
||
Error( "error opening %s", filename );
|
||
return;
|
||
}
|
||
|
||
// printf("loaded %s\n", filename);
|
||
// if (!PC_ReadToken(source, &lasttoken))
|
||
// {
|
||
// FreeSource(source);
|
||
// return;
|
||
// } //end if
|
||
while ( 1 )
|
||
{
|
||
if ( !PC_ReadToken( source, &token ) ) {
|
||
break;
|
||
}
|
||
AddTokenToList( &listHead, &token );
|
||
if ( token.type == TT_PUNCTUATION )
|
||
{
|
||
switch ( token.string[0] )
|
||
{
|
||
case ';':
|
||
isStatic = 0;
|
||
break;
|
||
case '{':
|
||
indent++;
|
||
break;
|
||
case '}':
|
||
indent--;
|
||
if ( indent < 0 )
|
||
indent = 0;
|
||
break;
|
||
case '(':
|
||
if ( indent <= 0 && lasttoken.type == TT_NAME )
|
||
{
|
||
StripTokenList( listHead );
|
||
|
||
brace = 1;
|
||
while ( PC_ReadToken( source, &token ) )
|
||
{
|
||
AddTokenToList( &listHead, &token );
|
||
if ( token.string[0] == '(' ) {
|
||
brace++;
|
||
}
|
||
else if ( token.string[0] == ')' )
|
||
{
|
||
brace--;
|
||
if ( brace <= 0 )
|
||
{
|
||
if ( !PC_ReadToken( source, &token ) ) {
|
||
break;
|
||
}
|
||
if ( token.string[0] == '{' ) {
|
||
indent++;
|
||
if ( !isStatic && MayScrewUp( lasttoken.string ) ) {
|
||
AddFunctionName( lasttoken.string, filename, listHead );
|
||
}
|
||
} //end if
|
||
break;
|
||
} //end if
|
||
} //end if
|
||
} //end while
|
||
} //end if
|
||
break;
|
||
} //end switch
|
||
} //end if
|
||
if ( token.type == TT_NAME )
|
||
{
|
||
if ( token.string[0] == 's' && !strcmp( token.string, "static" ) ) {
|
||
isStatic = 1;
|
||
}
|
||
}
|
||
memcpy( &lasttoken, &token, sizeof( token_t ) );
|
||
} //end while
|
||
FreeSource( source );
|
||
} //end of the function GetFunctionNamesFromFile
|
||
|
||
/*
|
||
=================
|
||
Usage
|
||
=================
|
||
*/
|
||
void Usage (void)
|
||
{
|
||
// Error( "USAGE SCREWUP: extractfuncs <file filter>\n" );
|
||
Error( "USAGE SCREWUP: extractfuncs <file1> [<file2> ..] [-t <structname>] [-o <func_list> <func_decs>] [-d <define>]\n"
|
||
"no -o defaults to g_func_list.h g_func_decs.h or g_<structname>_list.h g_<structname>_decs.h\n" );
|
||
}
|
||
|
||
/*
|
||
=================
|
||
main
|
||
=================
|
||
*/
|
||
#ifdef _WIN32
|
||
void main (int argc, char *argv[])
|
||
{
|
||
WIN32_FIND_DATA filedata;
|
||
HWND handle;
|
||
int i, firstParm, done;
|
||
char typeName[128];
|
||
qboolean typeExtract = false;
|
||
qboolean firstParmSet = false;
|
||
|
||
// if ( argc < 2 )
|
||
// Usage ();
|
||
|
||
// Knightmare- check for command line switches
|
||
for (i=0; i<argc; i++)
|
||
{
|
||
if (!firstParmSet && argv[i][0] == '-')
|
||
{
|
||
firstParm = i;
|
||
firstParmSet = true;
|
||
}
|
||
|
||
if ( !Q_stricmp(argv[i], "-t") && (i < argc-1) && (argv[i+1][0] != '-') )
|
||
{
|
||
char buf[_MAX_PATH];
|
||
Com_sprintf (typeName, sizeof(typeName), argv[i+1]);
|
||
printf("Data type to extract: %s\n", typeName);
|
||
Com_sprintf (buf, sizeof(buf), "g_%s_list.h", typeName);
|
||
func_listfile = strdup(buf);
|
||
Com_sprintf (buf, sizeof(buf), "g_%s_decs.h", typeName);
|
||
func_decsfile = strdup(buf);
|
||
typeExtract = true;
|
||
}
|
||
else if ( !Q_stricmp(argv[i], "-o") && (i < argc-1) && (argv[i+1][0] != '-') )
|
||
{
|
||
func_listfile = argv[i+1];
|
||
printf("Pointer table list file: %s\n", func_listfile);
|
||
if ( (i < argc-2) && (argv[i+2][0] != '-') )
|
||
{
|
||
func_decsfile = argv[i+2];
|
||
printf("Pointer list decs file: %s\n", func_decsfile);
|
||
}
|
||
}
|
||
else if (!Q_stricmp(argv[i], "-d")) {
|
||
printf("Define option not yet implemented.\n");
|
||
}
|
||
}
|
||
|
||
if (argc < 2 || (firstParmSet && firstParm < 1))
|
||
Usage ();
|
||
// end Knightmare
|
||
|
||
handle = FindFirstFile (argv[1], &filedata);
|
||
done = (handle == INVALID_HANDLE_VALUE);
|
||
while (!done)
|
||
{
|
||
if ( !(filedata.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) )
|
||
{
|
||
if (typeExtract)
|
||
GetTypeNamesFromFile (filedata.cFileName, typeName);
|
||
else
|
||
GetFunctionNamesFromFile (filedata.cFileName);
|
||
}
|
||
//find the next file
|
||
done = !FindNextFile (handle, &filedata);
|
||
}
|
||
if (typeExtract)
|
||
DumpReplaceFunctions (typeName);
|
||
else
|
||
DumpReplaceFunctions (NULL);
|
||
|
||
return 0;
|
||
}
|
||
#else
|
||
/*
|
||
*nix version, let the shell do the pattern matching
|
||
(that's what shells are for :-))
|
||
*/
|
||
int main (int argc, char *argv[])
|
||
{
|
||
int i, firstParm;
|
||
int argbase = 1;
|
||
char typeName[128];
|
||
qboolean typeExtract = false;
|
||
qboolean firstParmSet = false;
|
||
|
||
/* if ( argc < 2 )
|
||
Usage();
|
||
|
||
if ( !Q_stricmp(argv[1],"-o") )
|
||
{
|
||
if ( argc < 5 ) {
|
||
Usage ();
|
||
}
|
||
func_listfile = argv[2];
|
||
func_decsfile = argv[3];
|
||
argbase = 4;
|
||
}
|
||
*/
|
||
// Knightmare- check for command line switches
|
||
for (i=0; i<argc; i++)
|
||
{
|
||
if (!firstParmSet && argv[i][0] == '-')
|
||
{
|
||
firstParm = i;
|
||
firstParmSet = true;
|
||
}
|
||
|
||
if ( !Q_stricmp(argv[i], "-t") && (i < argc-1) && (argv[i+1][0] != '-') )
|
||
{
|
||
char buf[_MAX_PATH];
|
||
Com_sprintf (typeName, sizeof(typeName), argv[i+1]);
|
||
printf("Data type to extract: %s\n", typeName);
|
||
Com_sprintf (buf, sizeof(buf), "g_%s_list.h", typeName);
|
||
func_listfile = strdup(buf);
|
||
Com_sprintf (buf, sizeof(buf), "g_%s_decs.h", typeName);
|
||
func_decsfile = strdup(buf);
|
||
typeExtract = true;
|
||
}
|
||
else if ( !Q_stricmp(argv[i], "-o") && (i < argc-1) && (argv[i+1][0] != '-') )
|
||
{
|
||
func_listfile = argv[i+1];
|
||
printf("Pointer table list file: %s\n", func_listfile);
|
||
if ( (i < argc-2) && (argv[i+2][0] != '-') )
|
||
{
|
||
func_decsfile = argv[i+2];
|
||
printf("Pointer list decs file: %s\n", func_decsfile);
|
||
}
|
||
}
|
||
else if (!Q_stricmp(argv[i], "-d")) {
|
||
printf("Define option not yet implemented.\n");
|
||
}
|
||
}
|
||
|
||
if (argc < 2 || (firstParmSet && firstParm < 1))
|
||
Usage ();
|
||
// end Knightmare
|
||
|
||
// for ( i = argbase; i < argc; i++ )
|
||
for ( i = argbase; i < firstParm; i++ )
|
||
{
|
||
printf( "%d: %s\n", i, argv[i] );
|
||
if (typeExtract)
|
||
GetTypeNamesFromFile (argv[i], typeName);
|
||
else
|
||
GetFunctionNamesFromFile (argv[i]);
|
||
}
|
||
if (typeExtract)
|
||
DumpReplaceFunctions (typeName);
|
||
else
|
||
DumpReplaceFunctions (NULL);
|
||
|
||
return 0;
|
||
}
|
||
|
||
#endif
|