stage1 基于新的ast实现部分sema

stage1/spl_ast.c

@@ -1310,7 +1310,8 @@ static spl_ast_node_ref_t parse_postfix(parser_t *p) {
             }
         } else if (t->type == TOK_L_BRACKET) {
             advance(p);
-            spl_ast_node_ref_t begin = parse_expr(p);
+            int range_prec = binary_op_info[SPL_OP_RANGE].prec;
+            spl_ast_node_ref_t begin = parse_expr_prec(p, range_prec + 1);
             if (peek(p) && peek(p)->type == TOK_RANGE) {
                 advance(p);
                 spl_ast_node_ref_t end = 0;
@@ -1432,15 +1433,17 @@ static spl_ast_node_ref_t parse_primary(parser_t *p) {
         } else if (nx->type == TOK_L_BRACKET) {
             // 匿名数组字面量：. [ elems ]
             advance(p); // 消费 '['
-            spl_ast_node_ref_t ref = new_node(p, SPL_AST_EXPR_ANON_ARRAY_LIT, t);
-            spl_ast_node_t *arr = node_at(p->ast, ref);
-            arr->anon_array_literal.elems = parse_expr_list(p);
+            // 先解析元素列表，避免节点扩容导致 arr 指针失效
+            spl_ast_node_ref_vec_t elems = parse_expr_list(p);
             const spl_tok_t *close = peek(p);
             if (!close || close->type != TOK_R_BRACKET) {
                 SPL_FATAL(close, "expected ']'");
-                return ref;
+                return 0;
             }
-            advance(p);
+            advance(p); // 消费 ']'
+            spl_ast_node_ref_t ref = new_node(p, SPL_AST_EXPR_ANON_ARRAY_LIT, t);
+            spl_ast_node_t *arr = node_at(p->ast, ref);
+            arr->anon_array_literal.elems = elems;
             return ref;
         } else {
             SPL_FATAL(nx, "expected '{' or '[' after '.'");