mirror of
https://github.com/Russell-S-Harper/COMMON.git
synced 2024-11-24 23:32:09 +00:00
35 lines
731 B
Plaintext
35 lines
731 B
Plaintext
%{
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "xapp.tab.h"
|
|
|
|
%}
|
|
|
|
DEC [0-9]+(\.[0-9]+)?
|
|
HEX \$[0-9A-Fa-f]+(\.[0-9A-Fa-f]+)?
|
|
OCT &[0-7]+(\.[0-7]+)?
|
|
BIN %[01]+(\.[01]+)?
|
|
|
|
%%
|
|
|
|
[A-Za-z_][A-Za-z0-9_]* { strncpy(yylval.sval, yytext, sizeof(yylval.sval)); return IDENTIFIER; }
|
|
{DEC}|{HEX}|{OCT}|{BIN} { strncpy(yylval.sval, yytext, sizeof(yylval.sval)); return CONSTANT; }
|
|
"<<" return LEFT_OP;
|
|
">>" return RIGHT_OP;
|
|
(<=)|(=<) return LE_OP;
|
|
(>=)|(=>) return GE_OP;
|
|
(<>)|(><) return NE_OP;
|
|
"&&" return AND_OP;
|
|
"||" return OR_OP;
|
|
[ \t\n]+ ; /* Ignore whitespace */
|
|
[-()<>+~!*/%=&^|] return yytext[0];
|
|
. { fprintf(stderr, "SET (invalid character '%s')\n", yytext); exit(1); }
|
|
|
|
%%
|
|
|
|
int yywrap(void) {
|
|
return 1;
|
|
}
|