chromium/third_party/abseil-cpp/absl/strings/internal/str_format/checker.h

// Copyright 2020 The Abseil 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
//
//      https://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.

#ifndef ABSL_STRINGS_INTERNAL_STR_FORMAT_CHECKER_H_
#define ABSL_STRINGS_INTERNAL_STR_FORMAT_CHECKER_H_

#include <algorithm>

#include "absl/base/attributes.h"
#include "absl/strings/internal/str_format/arg.h"
#include "absl/strings/internal/str_format/constexpr_parser.h"
#include "absl/strings/internal/str_format/extension.h"

// Compile time check support for entry points.

#ifndef ABSL_INTERNAL_ENABLE_FORMAT_CHECKER
// We disable format checker under vscode intellisense compilation.
// See https://github.com/microsoft/vscode-cpptools/issues/3683 for
// more details.
#if ABSL_HAVE_ATTRIBUTE(enable_if) && !defined(__native_client__) && \
    !defined(__INTELLISENSE__)
#define ABSL_INTERNAL_ENABLE_FORMAT_CHECKER …
#endif  // ABSL_HAVE_ATTRIBUTE(enable_if) && !defined(__native_client__) &&
        // !defined(__INTELLISENSE__)
#endif  // ABSL_INTERNAL_ENABLE_FORMAT_CHECKER

namespace absl {
ABSL_NAMESPACE_BEGIN
namespace str_format_internal {

#ifdef ABSL_INTERNAL_ENABLE_FORMAT_CHECKER

template <FormatConversionCharSet... C>
constexpr bool ValidFormatImpl(string_view format) { … }

#endif  // ABSL_INTERNAL_ENABLE_FORMAT_CHECKER

}  // namespace str_format_internal
ABSL_NAMESPACE_END
}  // namespace absl

#endif  // ABSL_STRINGS_INTERNAL_STR_FORMAT_CHECKER_H_