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// Copyright 2018 The Dawn Authors
//
// 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
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "dawn_native/ErrorData.h"
#include "dawn_native/Error.h"
#include "dawn_native/ObjectBase.h"
#include "dawn_native/dawn_platform.h"
namespace dawn::native {
std::unique_ptr<ErrorData> ErrorData::Create(InternalErrorType type,
std::string message,
const char* file,
const char* function,
int line) {
std::unique_ptr<ErrorData> error = std::make_unique<ErrorData>(type, message);
error->AppendBacktrace(file, function, line);
return error;
}
ErrorData::ErrorData(InternalErrorType type, std::string message)
: mType(type), mMessage(std::move(message)) {
}
void ErrorData::AppendBacktrace(const char* file, const char* function, int line) {
BacktraceRecord record;
record.file = file;
record.function = function;
record.line = line;
mBacktrace.push_back(std::move(record));
}
void ErrorData::AppendContext(std::string context) {
mContexts.push_back(std::move(context));
}
void ErrorData::AppendDebugGroup(std::string label) {
mDebugGroups.push_back(std::move(label));
}
InternalErrorType ErrorData::GetType() const {
return mType;
}
const std::string& ErrorData::GetMessage() const {
return mMessage;
}
const std::vector<ErrorData::BacktraceRecord>& ErrorData::GetBacktrace() const {
return mBacktrace;
}
const std::vector<std::string>& ErrorData::GetContexts() const {
return mContexts;
}
const std::vector<std::string>& ErrorData::GetDebugGroups() const {
return mDebugGroups;
}
std::string ErrorData::GetFormattedMessage() const {
std::ostringstream ss;
ss << mMessage << "\n";
if (!mContexts.empty()) {
for (auto context : mContexts) {
ss << " - While " << context << "\n";
}
}
// For non-validation errors, or erros that lack a context include the
// stack trace for debugging purposes.
if (mContexts.empty() || mType != InternalErrorType::Validation) {
for (const auto& callsite : mBacktrace) {
ss << " at " << callsite.function << " (" << callsite.file << ":"
<< callsite.line << ")\n";
}
}
if (!mDebugGroups.empty()) {
ss << "\nDebug group stack:\n";
for (auto label : mDebugGroups) {
ss << " > \"" << label << "\"\n";
}
}
return ss.str();
}
} // namespace dawn::native