87 lines
1.1 KiB
Plaintext
87 lines
1.1 KiB
Plaintext
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%{
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#include <stdio.h>
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extern FILE * yyin;
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void yyerror(const char * str)
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{
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fprintf(stderr, "error: %s\n", str);
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}
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int yywrap()
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{
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return 1;
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}
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int main(int argc, char * argv[])
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{
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if (argc > 0)
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{
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yyin = fopen(argv[1], "r");
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}
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yyparse();
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}
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%}
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%token ASSIGN;
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%token EQUAL;
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%token LEQ;
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%token GEQ;
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%token LSHIFT;
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%token RSHIFT;
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%token AND;
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%token OR;
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%token NOT;
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%token BIT_AND;
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%token BIT_OR;
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%token BIT_XOR;
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%token BIT_NEG;
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%token INCREMENT;
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%token DECREMENT;
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%token PLUS;
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%token MINUS;
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%token TIMES;
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%token DIVIDE;
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%token MOD;
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%token SEMICOLON;
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%token COLON;
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%token QUESTION;
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%token DOLLAR;
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%token DOT;
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%token DQUOTE;
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%token SQUOTE;
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%token BIN_NUMBER;
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%token HEX_NUMBER;
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%token OCT_NUMBER;
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%token DEC_NUMBER;
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%token ALIAS;
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%token MODULE;
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%token RETURN;
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%token USE;
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%token ID;
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%%
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program: /* empty */
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| number program { printf("Saw a number\n"); }
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| assignment program { printf("Saw an assignment\n"); }
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number: BIN_NUMBER
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| OCT_NUMBER
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| DEC_NUMBER
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| HEX_NUMBER
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;
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assignment: ID ASSIGN number
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;
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