From f2e065dee10fb110e9d51175ee6381333319ef56 Mon Sep 17 00:00:00 2001
From: Egor Yusov <egor.yusov@gmail.com>
Date: Tue, 20 Oct 2015 21:05:29 -0700
Subject: Release v1.0.0

---
 RenderScript/include/Debug.h | 63 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 RenderScript/include/Debug.h

(limited to 'RenderScript/include/Debug.h')

diff --git a/RenderScript/include/Debug.h b/RenderScript/include/Debug.h
new file mode 100644
index 0000000..bd22bfb
--- /dev/null
+++ b/RenderScript/include/Debug.h
@@ -0,0 +1,63 @@
+/*     Copyright 2015 Egor Yusov
+ *  
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
+ *
+ *  In no event and under no legal theory, whether in tort (including negligence), 
+ *  contract, or otherwise, unless required by applicable law (such as deliberate 
+ *  and grossly negligent acts) or agreed to in writing, shall any Contributor be
+ *  liable for any damages, including any direct, indirect, special, incidental, 
+ *  or consequential damages of any character arising as a result of this License or 
+ *  out of the use or inability to use the software (including but not limited to damages 
+ *  for loss of goodwill, work stoppage, computer failure or malfunction, or any and 
+ *  all other commercial damages or losses), even if such Contributor has been advised 
+ *  of the possibility of such damages.
+ */
+
+#pragma once
+
+#ifdef _DEBUG
+
+class LuaStackHeightTracker
+{
+public:
+    LuaStackHeightTracker( lua_State *L ) :
+        m_L( L ),
+        m_StackTop(0)
+    {
+        Record();
+    }
+
+    void Record()
+    {
+        m_StackTop = lua_gettop( m_L );
+    }
+
+    void Check(int Adjustment = 0)
+    {
+        auto CurrHeight = lua_gettop( m_L );
+        VERIFY( CurrHeight == m_StackTop + Adjustment, "Unexpected stack height" );
+    }
+private:
+    lua_State *m_L;
+    int m_StackTop;
+};
+
+#define INIT_LUA_STACK_TRACKING(L) LuaStackHeightTracker LuaStackHeightTracker(L)
+#define RECORD_LUA_STACK_HEIGHT() LuaStackHeightTracker.Record()
+#define CHECK_LUA_STACK_HEIGHT(...) LuaStackHeightTracker.Check(__VA_ARGS__)
+
+#else
+
+#define INIT_LUA_STACK_TRACKING(L) 
+#define RECORD_LUA_STACK_HEIGHT()
+#define CHECK_LUA_STACK_HEIGHT(...)
+
+#endif
-- 
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