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44//
45// cppstruct.c
46//
47
48#include <stdio.h>
49#include <stdlib.h>
50
51#include "compiler/preprocessor/slglobals.h"
52
53CPPStruct  *cpp      = NULL;
54static int  refCount = 0;
55
56int InitPreprocessor(void);
57int ResetPreprocessor(void);
58int FreeCPPStruct(void);
59int FinalizePreprocessor(void);
60
61/*
62 * InitCPPStruct() - Initilaize the CPP structure.
63 *
64 */
65
66int InitCPPStruct(void)
67{
68    int len;
69    char *p;
70
71    cpp = (CPPStruct *) malloc(sizeof(CPPStruct));
72    if (cpp == NULL)
73        return 0;
74
75    refCount++;
76
77    // Initialize public members:
78    cpp->pLastSourceLoc = &cpp->lastSourceLoc;
79
80	p = (char *) &cpp->options;
81    len = sizeof(cpp->options);
82    while (--len >= 0)
83        p[len] = 0;
84
85    ResetPreprocessor();
86    return 1;
87} // InitCPPStruct
88
89int ResetPreprocessor(void)
90{
91    // Initialize private members:
92
93    cpp->lastSourceLoc.file = 0;
94    cpp->lastSourceLoc.line = 0;
95	cpp->pC=0;
96    cpp->CompileError=0;
97	cpp->ifdepth=0;
98    for(cpp->elsetracker=0; cpp->elsetracker<64; cpp->elsetracker++)
99		cpp->elsedepth[cpp->elsetracker]=0;
100	cpp->elsetracker=0;
101    cpp->tokensBeforeEOF = 0;
102    return 1;
103}
104
105//Intializing the Preprocessor.
106
107int InitPreprocessor(void)
108{
109   #  define CPP_STUFF true
110        #  ifdef CPP_STUFF
111            FreeCPPStruct();
112            InitCPPStruct();
113            cpp->options.Quiet = 1;
114            cpp->options.profileString = "generic";
115            if (!InitAtomTable(atable, 0))
116                return 1;
117            if (!InitScanner(cpp))
118	            return 1;
119       #  endif
120  return 0;
121}
122
123//FreeCPPStruct() - Free the CPP structure.
124
125int FreeCPPStruct(void)
126{
127    if (refCount)
128    {
129       free(cpp);
130       refCount--;
131    }
132
133    return 1;
134}
135
136//Finalizing the Preprocessor.
137
138int FinalizePreprocessor(void)
139{
140   #  define CPP_STUFF true
141        #  ifdef CPP_STUFF
142            FreeAtomTable(atable);
143            FreeCPPStruct();
144            FreeScanner();
145       #  endif
146  return 0;
147}
148
149
150///////////////////////////////////////////////////////////////////////////////////////////////
151////////////////////////////////////// End of cppstruct.c //////////////////////////////////////
152///////////////////////////////////////////////////////////////////////////////////////////////
153