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1 /****************************************************************************\
2 Copyright (c) 2002, NVIDIA Corporation.
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43 \****************************************************************************/
44 //
45 // cppstruct.c
46 //
47 
48 #include <stdio.h>
49 #include <stdlib.h>
50 
51 #include "compiler/preprocessor/slglobals.h"
52 
53 CPPStruct  *cpp      = NULL;
54 static int  refCount = 0;
55 
56 int InitPreprocessor(void);
57 int ResetPreprocessor(void);
58 int FreeCPPStruct(void);
59 int FinalizePreprocessor(void);
60 
61 /*
62  * InitCPPStruct() - Initilaize the CPP structure.
63  *
64  */
65 
InitCPPStruct(void)66 int 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 
ResetPreprocessor(void)89 int 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 
InitPreprocessor(void)107 int 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 
FreeCPPStruct(void)125 int FreeCPPStruct(void)
126 {
127     if (refCount)
128     {
129        free(cpp);
130        refCount--;
131     }
132 
133     return 1;
134 }
135 
136 //Finalizing the Preprocessor.
137 
FinalizePreprocessor(void)138 int 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