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Introduce CSSAssertSetFailFunc and CSSAsserFail to throw managed exception

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Summary:
- Define CSS_ASSERT_FAIL_ENABLED for P/Invoke (Visual Studio project already has it)
- Pass managed delegate pointer to unmanaged side via P/Invoke.
- CSSAssertFail will call the managed delegate when assert failed.
- The delegate will throw managed exception.

Reviewed By: emilsjolander

Differential Revision: D3982084

fbshipit-source-id: 058a87c10ca89238362be4d8759cc00dd0c9b376
This commit is contained in:
Kazuki Sakamoto
2016-10-07 12:31:06 -07:00
committed by Facebook Github Bot
parent 90844d62c5
commit 56f6efdecf
8 changed files with 92 additions and 9 deletions
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10
csharp/CSSLayout/CSSLayout.vcxproj Normal file → Executable file
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@@ -87,7 +87,7 @@
</PrecompiledHeader>
<WarningLevel>Level3</WarningLevel>
<Optimization>Disabled</Optimization>
<PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;CSSLAYOUT_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>WIN32;_DEBUG;_WINDOWS;_USRDLL;CSSLAYOUT_EXPORTS;CSS_ASSERT_FAIL_ENABLED;FB_ASSERTIONS_ENABLED=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<SDLCheck>true</SDLCheck>
</ClCompile>
<Link>
@@ -101,7 +101,7 @@
</PrecompiledHeader>
<WarningLevel>Level3</WarningLevel>
<Optimization>Disabled</Optimization>
<PreprocessorDefinitions>_DEBUG;_WINDOWS;_USRDLL;CSSLAYOUT_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>_DEBUG;_WINDOWS;_USRDLL;CSSLAYOUT_EXPORTS;CSS_ASSERT_FAIL_ENABLED;FB_ASSERTIONS_ENABLED=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<SDLCheck>true</SDLCheck>
</ClCompile>
<Link>
@@ -117,7 +117,7 @@
<Optimization>MaxSpeed</Optimization>
<FunctionLevelLinking>true</FunctionLevelLinking>
<IntrinsicFunctions>true</IntrinsicFunctions>
<PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;CSSLAYOUT_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>WIN32;NDEBUG;_WINDOWS;_USRDLL;CSSLAYOUT_EXPORTS;CSS_ASSERT_FAIL_ENABLED;FB_ASSERTIONS_ENABLED=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<SDLCheck>true</SDLCheck>
</ClCompile>
<Link>
@@ -135,7 +135,7 @@
<Optimization>MaxSpeed</Optimization>
<FunctionLevelLinking>true</FunctionLevelLinking>
<IntrinsicFunctions>true</IntrinsicFunctions>
<PreprocessorDefinitions>NDEBUG;_WINDOWS;_USRDLL;CSSLAYOUT_EXPORTS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<PreprocessorDefinitions>NDEBUG;_WINDOWS;_USRDLL;CSSLAYOUT_EXPORTS;CSS_ASSERT_FAIL_ENABLED;FB_ASSERTIONS_ENABLED=0;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<SDLCheck>true</SDLCheck>
</ClCompile>
<Link>
@@ -174,4 +174,4 @@
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
<ImportGroup Label="ExtensionTargets">
</ImportGroup>
</Project>
</Project>

31
csharp/Facebook.CSSLayout/CSSAssert.cs Normal file
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@@ -0,0 +1,31 @@
/**
* Copyright (c) 2014-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
using System;
namespace Facebook.CSSLayout
{
internal static class CSSAssert
{
public delegate void FailFunc(string message);
private static bool _assertInitialized;
public static void Initialize()
{
if (!_assertInitialized)
{
Native.CSSAssertSetFailFunc((message) => {
throw new InvalidOperationException(message);
});
_assertInitialized = true;
}
}
}
}

1
csharp/Facebook.CSSLayout/CSSNode.cs
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@@ -93,6 +93,7 @@ namespace Facebook.CSSLayout
throw new InvalidOperationException("Allready initialized node");
}
CSSAssert.Initialize();
_cssNode = Native.CSSNodeNew();
_children = new List<CSSNode>(4);
Native.CSSNodeSetPrintFunc(_cssNode, _printFunc);

3
csharp/Facebook.CSSLayout/Native.cs
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@@ -20,6 +20,9 @@ namespace Facebook.CSSLayout
private const string DllName = "CSSLayout";
#endif
[DllImport(DllName)]
public static extern void CSSAssertSetFailFunc(CSSAssert.FailFunc func);
[DllImport(DllName)]
public static extern IntPtr CSSNodeNew();