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/* */
/*Copyright (C) 2002-2005  3Dlabs Inc. Ltd. */
/*All rights reserved. */
/* */
/*Redistribution and use in source and binary forms, with or without */
/*modification, are permitted provided that the following conditions */
/*are met: */
/* */
/*    Redistributions of source code must retain the above copyright */
/*    notice, this list of conditions and the following disclaimer. */
/* */
/*    Redistributions in binary form must reproduce the above */
/*    copyright notice, this list of conditions and the following */
/*    disclaimer in the documentation and/or other materials provided */
/*    with the distribution. */
/* */
/*    Neither the name of 3Dlabs Inc. Ltd. nor the names of its */
/*    contributors may be used to endorse or promote products derived */
/*    from this software without specific prior written permission. */
/* */
/*THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/*"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/*LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
/*FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE */
/*COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
/*INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, */
/*BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; */
/*LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER */
/*CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT */
/*LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN */
/*ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
/*POSSIBILITY OF SUCH DAMAGE. */
/* */
/****************************************************************************\
Copyright (c) 2002, NVIDIA Corporation.

NVIDIA Corporation("NVIDIA") supplies this software to you in
consideration of your agreement to the following terms, and your use,
installation, modification or redistribution of this NVIDIA software
constitutes acceptance of these terms.  If you do not agree with these
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"NVIDIA Software"), to use, reproduce, modify and redistribute the
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Except as expressly stated in this notice, no other rights or licenses
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incorporated. No hardware is licensed hereunder. 

THE NVIDIA SOFTWARE IS BEING PROVIDED ON AN "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED,
INCLUDING WITHOUT LIMITATION, WARRANTIES OR CONDITIONS OF TITLE,
NON-INFRINGEMENT, MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
ITS USE AND OPERATION EITHER ALONE OR IN COMBINATION WITH OTHER
PRODUCTS.

IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY SPECIAL, INDIRECT,
INCIDENTAL, EXEMPLARY, CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
TO, LOST PROFITS; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) OR ARISING IN ANY WAY
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NVIDIA SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT,
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\****************************************************************************/
/* */
/* cppstruct.c */
/* */

#include <stdio.h>
#include <stdlib.h>

#include "slglobals.h"

CPPStruct  *cpp      = NULL;
static int  refCount = 0;

int InitPreprocessor(void);
int ResetPreprocessor(void);
int FreeCPPStruct(void);
int FinalizePreprocessor(void);

/*
 * InitCPPStruct() - Initilaize the CPP structure.
 *
 */

int InitCPPStruct(void)
{
    int len;
    char *p;

    cpp = (CPPStruct *) malloc(sizeof(CPPStruct));
    if (cpp == NULL)
        return 0;

    refCount++;

    /* Initialize public members: */
    cpp->pLastSourceLoc = &cpp->lastSourceLoc;
    
	p = (char *) &cpp->options;
    len = sizeof(cpp->options);
    while (--len >= 0)
        p[len] = 0;
     
    ResetPreprocessor();
    return 1;
} /* InitCPPStruct */

int ResetPreprocessor(void)
{
    /* Initialize private members: */

    cpp->lastSourceLoc.file = 0;
    cpp->lastSourceLoc.line = 0;
	cpp->pC=0;
    cpp->CompileError=0; 
	cpp->ifdepth=0;
    for(cpp->elsetracker=0; cpp->elsetracker<64; cpp->elsetracker++)
		cpp->elsedepth[cpp->elsetracker]=0; 
	cpp->elsetracker=0;
    cpp->tokensBeforeEOF = 0;
    return 1;
}

/*Intializing the Preprocessor. */

int InitPreprocessor(void)
{
   #  define CPP_STUFF true
        #  ifdef CPP_STUFF
            FreeCPPStruct();
            InitCPPStruct();
            cpp->options.Quiet = 1;
            cpp->options.profileString = "generic";
            if (!InitAtomTable(atable, 0))
                return 1;
            if (!InitScanner(cpp))
	            return 1;
       #  endif
  return 0; 
}

/*FreeCPPStruct() - Free the CPP structure. */

int FreeCPPStruct(void)
{
    if (refCount)
    {
       free(cpp);
       refCount--;
    }
    
    return 1;
}

/*Finalizing the Preprocessor. */

int FinalizePreprocessor(void)
{
   #  define CPP_STUFF true
        #  ifdef CPP_STUFF
            FreeAtomTable(atable);
            FreeCPPStruct();
            FreeScanner();
       #  endif
  return 0; 
}


/*///////////////////////////////////////////////////////////////////////////////////////////// */
/*//////////////////////////////////// End of cppstruct.c ////////////////////////////////////// */
/*///////////////////////////////////////////////////////////////////////////////////////////// */