[PATCH 11/21] kill create_arglist()

we don't need the fake arglist for __has_extension() and its ilk anymore;
just set the ->arglist to &eof_token_entry to indicate that arguments
are expected and set ->fixed_args and ->vararg to tell how much.

Signed-off-by: Al Viro <[email protected]>
---
 pre-process.c | 37 +++++--------------------------------
 1 file changed, 5 insertions(+), 32 deletions(-)

diff --git a/pre-process.c b/pre-process.c
index bd049620..aaf60293 100644
--- a/pre-process.c
+++ b/pre-process.c
@@ -2071,36 +2071,6 @@ static bool expand_has_feature(struct token *token, struct arg *args)
 	return 1;
 }
 
-static void create_arglist(struct symbol *sym, int count)
-{
-	struct token *token;
-	struct token **next;
-
-	if (!count)
-		return;
-
-	token = __alloc_token(0);
-	token_type(token) = TOKEN_ARG_COUNT;
-	sym->arglist = token;
-	sym->fixed_args = count;
-	sym->vararg = 0;
-	next = &token->next;
-
-	while (count--) {
-		struct token *id, *uses;
-		id = __alloc_token(0);
-		token_type(id) = TOKEN_IDENT;
-		uses = __alloc_token(0);
-		token_type(uses) = TOKEN_ARG_COUNT;
-		uses->count.quoted = 1;
-
-		*next = id;
-		id->next = uses;
-		next = &uses->next;
-	}
-	*next = &eof_token_entry;
-}
-
 static void init_preprocessor(void)
 {
 	int i;
@@ -2172,8 +2142,11 @@ static void init_preprocessor(void)
 		struct symbol *sym;
 		sym = create_symbol(stream, dynamic[i].name, SYM_NODE, NS_MACRO);
 		sym->expand_simple = dynamic[i].expand_simple;
-		if ((sym->expand = dynamic[i].expand) != NULL)
-			create_arglist(sym, 1);
+		if ((sym->expand = dynamic[i].expand) != NULL) {
+			sym->fixed_args = 1;
+			sym->vararg = false;
+			sym->arglist = &eof_token_entry;
+		}
 	}
 
 	counter_macro = 0;
-- 
2.47.3