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// Copyright 2019 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef SRC_DAWN_NATIVE_ERRORSCOPE_H_
#define SRC_DAWN_NATIVE_ERRORSCOPE_H_
#include <string>
#include <vector>
#include "dawn/native/dawn_platform.h"
namespace dawn::native {
class ErrorScope {
public:
wgpu::ErrorType GetErrorType() const;
const std::string& GetErrorMessage() const;
private:
friend class ErrorScopeStack;
explicit ErrorScope(wgpu::ErrorFilter errorFilter);
wgpu::ErrorType mMatchedErrorType;
wgpu::ErrorType mCapturedError = wgpu::ErrorType::NoError;
std::string mErrorMessage = "";
};
class ErrorScopeStack {
public:
ErrorScopeStack();
~ErrorScopeStack();
void Push(wgpu::ErrorFilter errorFilter);
ErrorScope Pop();
bool Empty() const;
// Pass an error to the scopes in the stack. Returns true if one of the scopes
// captured the error. Returns false if the error should be forwarded to the
// uncaptured error callback.
bool HandleError(wgpu::ErrorType type, const char* message);
private:
std::vector<ErrorScope> mScopes;
};
} // namespace dawn::native
#endif // SRC_DAWN_NATIVE_ERRORSCOPE_H_