[scons] code cleanup for scons script. (#10429)

* [scons] move project_generation to targets; code clean for building.py.

1 files changed, 116 insertions, 0 deletions

diff --git a/tools/testcases/test_preprocessor.py b/tools/testcases/test_preprocessor.py
new file mode 100644
index 0000000000..11121dbda9
--- /dev/null
+++ b/tools/testcases/test_preprocessor.py
@@ -0,0 +1,116 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+#
+# File      : test_preprocessor_patch.py
+# This file is part of RT-Thread RTOS
+# COPYRIGHT (C) 2006 - 2025, RT-Thread Development Team
+#
+#  This program is free software; you can redistribute it and/or modify
+#  it under the terms of the GNU General Public License as published by
+#  the Free Software Foundation; either version 2 of the License, or
+#  (at your option) any later version.
+#
+#  This program is distributed in the hope that it will be useful,
+#  but WITHOUT ANY WARRANTY; without even the implied warranty of
+#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#  GNU General Public License for more details.
+#
+#  You should have received a copy of the GNU General Public License along
+#  with this program; if not, write to the Free Software Foundation, Inc.,
+#  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Change Logs:
+# Date           Author       Notes
+# 2025-01-05     Assistant    Test file for SCons PreProcessor patch
+
+import sys
+import os
+
+# Add current directory to path for imports
+sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)))
+
+def test_preprocessor_patch():
+    """Test the SCons PreProcessor patch functionality"""
+    try:
+        from scons_preprocessor_patch import SConsPreProcessorPatch, create_preprocessor_instance
+        
+        print("Testing SCons PreProcessor patch...")
+        
+        # Test creating patch instance
+        patch = SConsPreProcessorPatch()
+        print("✓ SConsPreProcessorPatch instance created successfully")
+        
+        # Test getting patched preprocessor
+        patched_class = patch.get_patched_preprocessor()
+        print("✓ Patched PreProcessor class retrieved successfully")
+        
+        # Test creating preprocessor instance
+        preprocessor = create_preprocessor_instance()
+        print("✓ PreProcessor instance created successfully")
+        
+        # Test basic functionality
+        test_content = """
+        #define TEST_MACRO 1
+        #ifdef TEST_MACRO
+        #define ENABLED_FEATURE 1
+        #else
+        #define DISABLED_FEATURE 1
+        #endif
+        """
+        
+        preprocessor.process_contents(test_content)
+        namespace = preprocessor.cpp_namespace
+        
+        print("✓ PreProcessor processed test content successfully")
+        print(f"  - TEST_MACRO: {namespace.get('TEST_MACRO', 'Not found')}")
+        print(f"  - ENABLED_FEATURE: {namespace.get('ENABLED_FEATURE', 'Not found')}")
+        print(f"  - DISABLED_FEATURE: {namespace.get('DISABLED_FEATURE', 'Not found')}")
+        
+        print("\n✓ All tests passed! SCons PreProcessor patch is working correctly.")
+        return True
+        
+    except ImportError as e:
+        print(f"✗ Import error: {e}")
+        print("Make sure SCons is available in the environment")
+        return False
+    except Exception as e:
+        print(f"✗ Test failed: {e}")
+        return False
+
+def test_building_integration():
+    """Test integration with building.py"""
+    try:
+        # Test that the function is available from the patch module
+        from scons_preprocessor_patch import create_preprocessor_instance
+        
+        print("\nTesting scons_preprocessor_patch integration...")
+        
+        # Test that the function is available
+        preprocessor = create_preprocessor_instance()
+        print("✓ create_preprocessor_instance function works from scons_preprocessor_patch")
+        
+        # Test basic processing
+        test_content = "#define BUILD_TEST 1"
+        preprocessor.process_contents(test_content)
+        namespace = preprocessor.cpp_namespace
+        
+        print(f"✓ Integration test passed: BUILD_TEST = {namespace.get('BUILD_TEST', 'Not found')}")
+        return True
+        
+    except Exception as e:
+        print(f"✗ Integration test failed: {e}")
+        return False
+
+if __name__ == "__main__":
+    print("SCons PreProcessor Patch Test Suite")
+    print("=" * 40)
+    
+    success1 = test_preprocessor_patch()
+    success2 = test_building_integration()
+    
+    if success1 and success2:
+        print("\n🎉 All tests passed! The refactoring was successful.")
+        sys.exit(0)
+    else:
+        print("\n❌ Some tests failed. Please check the implementation.")
+        sys.exit(1) 
\ No newline at end of file