/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_CMDLINE_DETAIL_CMDLINE_DEBUG_DETAIL_H_
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#define ART_CMDLINE_DETAIL_CMDLINE_DEBUG_DETAIL_H_
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#include <iostream>
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#ifndef CMDLINE_NDEBUG
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#define CMDLINE_DEBUG_LOG std::cerr
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#else
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#define CMDLINE_DEBUG_LOG ::art::detail::debug_log_ignore()
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#endif
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namespace art {
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// Implementation details for some template querying. Don't look inside if you hate templates.
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namespace detail {
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struct debug_log_ignore {
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// Ignore most of the normal operator<< usage.
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template <typename T>
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debug_log_ignore& operator<<(const T&) { return *this; }
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// Ignore std::endl and the like.
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debug_log_ignore& operator<<(std::ostream& (*)(std::ostream&) ) { return *this; }
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};
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} // namespace detail // NOLINT [readability/namespace] [5]
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} // namespace art
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#endif // ART_CMDLINE_DETAIL_CMDLINE_DEBUG_DETAIL_H_
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