dawn-cmake/src/debug.cc

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// Copyright 2021 The Tint 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 "src/debug.h"
#include <stdio.h>
#include <sstream>
#include <string>
#include <vector>
#include "src/diagnostic/diagnostic.h"
namespace tint {
namespace {
InternalCompilerErrorReporter* ice_reporter = nullptr;
class SourceFileToDelete {
public:
static SourceFileToDelete& Get() {
static SourceFileToDelete* instance = new SourceFileToDelete();
return *instance;
}
/// Adds file to the list that will be deleted on call to Free()
/// Note - this function is _not_ thread safe. If we have multiple internal
/// compiler errors occurring at the same time on different threads, then
/// we're in serious trouble.
void Add(Source::File* file) { files.emplace_back(file); }
/// Free deletes all the source files added by calls to Add() and then this
/// SourceFileToDelete object. The SourceFileToDelete must not be used after
/// calling.
void Free() {
for (auto* file : files) {
delete file;
}
delete this;
}
private:
std::vector<Source::File*> files;
};
} // namespace
void FreeInternalCompilerErrors() {
SourceFileToDelete::Get().Free();
}
void SetInternalCompilerErrorReporter(InternalCompilerErrorReporter* reporter) {
ice_reporter = reporter;
}
InternalCompilerError::InternalCompilerError(const char* file,
size_t line,
diag::List& diagnostics)
: file_(file), line_(line), diagnostics_(diagnostics) {}
InternalCompilerError::~InternalCompilerError() {
auto* file = new Source::File(file_, "");
SourceFileToDelete::Get().Add(file);
Source source{Source::Range{Source::Location{line_}}, file};
diagnostics_.add_ice(msg_.str(), source);
if (ice_reporter) {
ice_reporter(diagnostics_);
}
}
} // namespace tint