1 files changed, 0 insertions, 42 deletions
diff --git a/works/life/compile-principle-experiment/3/syn.y b/works/life/compile-principle-experiment/3/syn.y
deleted file mode 100644
index 80abb17..0000000
--- a/works/life/compile-principle-experiment/3/syn.y
+++ /dev/null
@@ -1,42 +0,0 @@
-%{
-#include "main.h"
-#include <stdio.h>
-%}
-%union {
-	double	val;	/* actual value */
-	Symbol	*sym;	/* symbol table pointer */
-}
-%token	<val>	NUMBER
-%token	<sym>	VAR BLTIN UNDEF
-%type	<val>	expr asgn
-%right	'='
-%left	'+' '-'
-%left	'*' '/'
-%left	UNARYMINUS
-%right	'^'	/* exponentiation */
-%%
-list:	  /* nothing */
-	| list '\n'
-	| list asgn '\n'
-	| list expr '\n'	{ printf("\t%.8g\n", $2); }
-	| list error '\n'	{ yyerrok; }
-	;
-asgn:	  VAR '=' expr { $$=$1->value.val=$3; $1->type = VAR; }
-	;
-expr:	  NUMBER
-	| VAR {	if ($1->type == UNDEF)
-		    execerror("undefined variable", $1->name);
-		$$ = $1->value.val; }
-	| BLTIN '(' expr ')'	{ $$ = (*($1->value.ptr))($3); }
-	| expr '+' expr	{ $$ = $1 + $3; }
-	| expr '-' expr	{ $$ = $1 - $3; }
-	| expr '*' expr	{ $$ = $1 * $3; }
-	| expr '/' expr	{
-		if ($3 == 0.0)
-			execerror("division by zero", "");
-		$$ = $1 / $3; }
-	| expr '^' expr	{ $$ = Pow($1, $3); }
-	| '(' expr ')'	{ $$ = $2; }
-	| '-' expr  %prec UNARYMINUS  { $$ = -$2; }
-	;
-%%