got hello world working with some hacks

1 files changed, 14 insertions, 9 deletions

diff --git a/parser.c b/parser.c
index bdf266d..c4fa8b7 100644
--- a/parser.c
+++ b/parser.c
@@ -576,14 +576,14 @@ static void parse_fn_decl(struct fn_decl_node* p_node) {
 
     expect(TK_IDENT);
 
-    if (scope_define_var(scope, (struct var_def) {
-                .name = tok.data.ident,
-                .loc = {
-                    .type = STO_FN,
-                    .decl = p_node,
-                },
-            }) == NULL)
-        PARSER_PANIC("redefinition of '%s'", tok.data.ident)
+    /* redefinition is allowed */
+    scope_define_var(scope, (struct var_def) {
+        .name = tok.data.ident,
+        .loc = {
+            .type = STO_FN,
+            .decl = p_node,
+        },
+    });
 
     p_node->name = tok.data.ident;
 
@@ -600,7 +600,12 @@ static void parse_fn_decl(struct fn_decl_node* p_node) {
 
     expect(TK_RPAREN);
 
-    parse_group(&p_node->body);
+    peek_or_panic();
+    if (tok.type == TK_SEMI) expect(TK_SEMI);
+    else {
+        p_node->body = ccc_alloc(sizeof(struct group_node));
+        parse_group(p_node->body);
+    }
 
     scope_pop(&scope);
 }