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/* Copyright 2015-2018 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
#include <string>
#include "Errors.h"
#include "FileWrapper.h"
#include "ScriptParser.h"
#include "DataBlobImpl.h"
#ifdef _WIN32
# ifndef NOMINMAX
# define NOMINMAX
# endif
# include <Windows.h>
#endif
inline void SetGlobalVarsStub( Diligent::ScriptParser * ){}
template<typename TSetGlobalVars>
Diligent::RefCntAutoPtr<Diligent::ScriptParser> CreateRenderScriptFromFile( const Diligent::Char *FilePath, Diligent::IRenderDevice *pRenderDevice, Diligent::IDeviceContext *pContext, TSetGlobalVars SetGlobalVars )
{
bool bSuccess = true;
Diligent::RefCntAutoPtr<Diligent::ScriptParser> pScriptParser;
#if PLATFORM_WIN32
do
{
#endif
std::string ErrorMsg;
bSuccess = true;
try
{
Diligent::FileWrapper ScriptFile(FilePath);
if( !ScriptFile )
LOG_ERROR_AND_THROW( "Failed to open Lua source file" );
Diligent::RefCntAutoPtr<Diligent::IDataBlob> pFileData( Diligent::MakeNewRCObj<Diligent::DataBlobImpl>()(0) );
ScriptFile->Read( pFileData );
// Null-terminator is not read from the stream
pFileData->Resize(pFileData->GetSize() + 1);
auto *ScriptText = reinterpret_cast<char*>(pFileData->GetDataPtr());
ScriptText[pFileData->GetSize() - 1] = 0;
pScriptParser = Diligent::MakeNewRCObj<Diligent::ScriptParser>()( pRenderDevice );
pScriptParser->Parse( ScriptText );
SetGlobalVars( pScriptParser );
pScriptParser->Run( pContext );
}
catch( const std::runtime_error &err )
{
bSuccess = false;
ErrorMsg = err.what();
}
#if PLATFORM_WIN32
if( !bSuccess )
{
if( IDRETRY != MessageBoxA( NULL, "Failed to parse the script. Retry?", "Lua parser error", MB_ICONERROR | MB_ABORTRETRYIGNORE ) )
{
abort();
}
}
} while( !bSuccess );
#endif
return pScriptParser;
}
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