1 files changed, 0 insertions, 39 deletions
diff --git a/works/life/compile-principle-experiment/4/syn.y b/works/life/compile-principle-experiment/4/syn.y
deleted file mode 100644
index ebe113f..0000000
--- a/works/life/compile-principle-experiment/4/syn.y
+++ /dev/null
@@ -1,39 +0,0 @@
-%{
-#include "main.h"
-#include <stdio.h>
-#define	code2(c1,c2)	code(c1); code(c2)
-#define	code3(c1,c2,c3)	code(c1); code(c2); code(c3)
-%}
-%union {
-	Symbol	*sym;	/* symbol table pointer */
-	double val;
-	Inst	*inst;	/* machine instruction */
-}
-%token	<sym>	NUMBER VAR BLTIN UNDEF
-%right	'='
-%left	'+' '-'
-%left	'*' '/'
-%left	UNARYMINUS
-%right	'^'	/* exponentiation */
-%%
-list:	  /* nothing */
-	| list '\n'
-	| list asgn '\n'  { code2(mypop, STOP); return 1; }
-	| list expr '\n'  { code2(print, STOP); return 1; }
-	| list error '\n' { yyerrok; }
-	;
-asgn:	  VAR '=' expr	{ code3(varpush,(Inst)$1,assign); }
-	;
-expr:	  NUMBER	{ code2(constpush, (Inst)$1); }
-	| VAR		{ code3(varpush, (Inst)$1, eval); }
-	| asgn
-	| BLTIN '(' expr ')' { code2(bltin, (Inst)$1->value.ptr); }
-	| '(' expr ')'
-	| expr '+' expr	{ code(add); }
-	| expr '-' expr	{ code(sub); }
-	| expr '*' expr	{ code(mul); }
-	| expr '/' expr	{ code(mydiv); }
-	| expr '^' expr	{ code(power); }
-	| '-' expr  %prec UNARYMINUS  { code(negate); }
-	;
-%%