law & order

1 files changed, 0 insertions, 34 deletions

diff --git a/7/main.y b/7/main.y
deleted file mode 100644
index 26a2007..0000000
--- a/7/main.y
+++ /dev/null
@@ -1,34 +0,0 @@
-%{
-#include <stdio.h>
-#include <stdlib.h>
-int yylex();
-int yyerror(char *);
-%}
-
-%token NUM ADD SUB MUL DIV LPAR RPAR
-%left ADD SUB MUL DIV
-%right NEG
-
-%%
-
-S:
- E { printf("\n"); };
-E:
- E ADD E   { printf("+ "); }
- | E MUL E { printf("* "); }
- | E SUB E { printf("- "); }
- | E DIV E { printf("/ "); }
- | LPAR E RPAR
- | SUB E %prec NEG { printf("- "); }
- | NUM { printf("%d ", yylval); }
- ;
-%%
-
-int main() {
-    yyparse();
-}
-
-int yyerror(char *s) {
-    printf("error: %s", s);
-    exit(0);
-}