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// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "include/cppgc/internal/name-trait.h"
#include <stdio.h>
#include "src/base/logging.h"
#include "src/base/macros.h"
namespace cppgc {
// static
constexpr const char NameProvider::kHiddenName[];
// static
constexpr const char NameProvider::kNoNameDeducible[];
namespace internal {
// static
HeapObjectName NameTraitBase::GetNameFromTypeSignature(const char* signature) {
// Parsing string of structure:
// static HeapObjectName NameTrait<int>::GetNameFor(...) [T = int]
if (!signature) return {NameProvider::kNoNameDeducible, true};
const std::string raw(signature);
const auto start_pos = raw.rfind("T = ") + 4;
DCHECK_NE(std::string::npos, start_pos);
const auto len = raw.length() - start_pos - 1;
const std::string name = raw.substr(start_pos, len).c_str();
char* name_buffer = new char[name.length() + 1];
int written = snprintf(name_buffer, name.length() + 1, "%s", name.c_str());
DCHECK_EQ(static_cast<size_t>(written), name.length());
USE(written);
return {name_buffer, false};
}
} // namespace internal
} // namespace cppgc
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