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bug: parser overwrites semantic information when looking ahead

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Roberto Ierusalimschy
2000-09-27 14:41:58 -03:00
parent 444d6a106b
commit 282ab366f4
4 changed files with 33 additions and 23 deletions
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6
lparser.c
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@@ -1,5 +1,5 @@
/*
** $Id: lparser.c,v 1.111 2000/08/31 14:08:27 roberto Exp roberto $
** $Id: lparser.c,v 1.112 2000/09/20 17:57:08 roberto Exp roberto $
** LL(1) Parser and code generator for Lua
** See Copyright Notice in lua.h
*/
@@ -60,13 +60,13 @@ static void next (LexState *ls) {
ls->lookahead.token = TK_EOS; /* and discharge it */
}
else
ls->t.token = luaX_lex(ls); /* read next token */
ls->t.token = luaX_lex(ls, &ls->t.seminfo); /* read next token */
}
static void lookahead (LexState *ls) {
LUA_ASSERT(ls->lookahead.token == TK_EOS, "two look-aheads");
ls->lookahead.token = luaX_lex(ls);
ls->lookahead.token = luaX_lex(ls, &ls->lookahead.seminfo);
}