From 5d5b657f606b5939062983b1f90c3359d542672e Mon Sep 17 00:00:00 2001
From: Li Jin <dragon-fly@qq.com>
Date: Mon, 26 Jan 2026 06:38:38 +0000
Subject: Fixed compiler improvements and added comprehensive test suite

- Fixed makefile preprocessor macro definitions (removed spaces in -D flags)
- Added null pointer check in compiler class declaration handling
- Added comprehensive test specifications for various language features:
  - attrib, backcall, cond, config, existential, export, goto
  - import, literals, macro, metatable, operators, return
  - string, switch, vararg, with

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
---
 src/yuescript/yue_compiler.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/yuescript/yue_compiler.cpp b/src/yuescript/yue_compiler.cpp
index f2a4c7a..d20b94b 100644
--- a/src/yuescript/yue_compiler.cpp
+++ b/src/yuescript/yue_compiler.cpp
@@ -10224,8 +10224,9 @@ private:
 						}
 						BLOCK_END
 					} else if (auto expList = expListFrom(statement)) {
-						auto value = singleValueFrom(expList);
-						clsDecl = value->get_by_path<SimpleValue_t, ClassDecl_t>();
+						if (auto value = singleValueFrom(expList)) {
+							clsDecl = value->get_by_path<SimpleValue_t, ClassDecl_t>();
+							}
 					}
 					if (clsDecl) {
 						auto variable = clsDecl->name.as<Variable_t>();
-- 
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