44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/*************************************************************************
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FILE: parser.h
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DESCR: parser defs. for BDD calculator
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AUTH: Jorn Lind
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DATE: (C) may 1999
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*************************************************************************/
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#ifndef _PARSER_H
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#define _PARSER_H
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#include <stdio.h>
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#include "bdd.h"
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#define MAXIDLEN 32 /* Max. number of allowed characters in an identifier */
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struct token /* BISON token data */
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{
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char id[MAXIDLEN+1];
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char *str;
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int ival;
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bdd *bval;
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};
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#define YYSTYPE token
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#define YY_SKIP_YYWRAP
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#define YY_NO_UNPUT
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#define yywrap() (1)
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extern YYSTYPE yylval; /* Declare for flex user */
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extern void yyerror(char *,...); /* Declare for flex and bison */
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extern FILE *yyin;
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extern int yylex(void); /* Declare for bison */
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extern int yyparse(void); /* Declare for bison user */
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extern int linenum; /* Declare for error handler */
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/* Use this instead of strdup() to avoid malloc() */
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inline char *sdup(const char *s)
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{
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return strcpy(new char[strlen(s)+1], s);
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}
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#endif /* _PARSER_H */
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/* EOF */
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