42 lines
752 B
C
42 lines
752 B
C
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#include <stdio.h>
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#include "y.tab.h"
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#include "ast.h"
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#include "stack.h"
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extern FILE *yyin;
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extern int yydebug;
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int Parse(char *inputFilename, Node **pRootNode, uint8_t parseVerbose)
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{
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int result;
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Stack *stack = CreateStack();
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yydebug = parseVerbose;
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FILE *fp = fopen(inputFilename, "r");
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yyin = fp;
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result = yyparse(fp, stack, pRootNode);
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fclose(fp);
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/* TODO: free stack */
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/* TODO: free AST on error */
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if (result == 0)
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{
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if (parseVerbose)
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{
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PrintTree(*pRootNode, 0);
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}
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}
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else if (result == 1)
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{
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fprintf(stderr, "Syntax error.\n");
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}
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else if (result == 2)
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{
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fprintf(stderr, "Out of memory.\n");
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}
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return result;
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}
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