Better support for Type types, squashing bugs due to pointer confusion etc.

parsing.cpp

@@ -167,16 +167,15 @@ parse_expr_call(Ast_Expr *left, Token_Kind close_kind){
     Token *token = token_get();
     Ast_Atom *name  = 0;
     Ast_Expr *index = 0;
-    if(token_match(TK_OpenBracket)){
-      index = parse_expr(0);
-      token_expect(TK_CloseBracket);
-      token_expect(TK_Assign);
-    }
 
     Ast_Expr *item = parse_expr();
     if(token_match(TK_Assign)){
       assert(is_flag_set(item->flags, AST_ATOM));
-      name = (Ast_Atom *)item;
+      if(item->kind != AST_IDENT){
+        index = item;
+      } else{
+        name = (Ast_Atom *)item;
+      }
       item = parse_expr();
     }