shithub: scc

Info  •  Files  •  Log  •  Branches

Set tok field of identifiers in lookup

This patch avoids one comparation for every identifier.

--- a/lex.c

+++ b/lex.c

@@ -184,8 +184,6 @@

 	ungetc(ch, yyin);

 	yyval = lookup(yytext, NS_IDEN);

-	if (!yyval->tok)

-		yyval->tok = IDEN;

 	return yyval->tok;

 }

--- a/symbol.c

+++ b/symbol.c

@@ -5,6 +5,7 @@

 #include "cc.h"

 #include "symbol.h"

+#include "tokens.h"

 #define NR_SYM_HASH 32

@@ -87,7 +88,7 @@

 	sym->next = head;

 	sym->ctx = curctx;

 	sym->ns = ns;

-	sym->tok = 0;

+	sym->tok = IDEN;

 	head = sym;

 	sym->hash = htab[key];

 	htab[key] = sym;