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/*
* Copyright 2019 WebAssembly Community Group participants
*
* 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.
*/
// Implements BYN_DEBUG macro similar to llvm's include/llvm/Support/Debug.h,
// which can include any code, and in addition and printf-file BYN_TRACE.
//
// To use these macros you must define DEBUG_TYPE to a C string within your
// source code which then acts as the name of a channel which can be
// individually enabled via --debug=<chan>. Specifying --debug without any
// argument enables all channels.
#ifndef wasm_support_debug_h
#define wasm_support_debug_h
#ifndef NDEBUG
namespace wasm {
bool isDebugEnabled(const char* type);
void setDebugEnabled(const char* types);
} // namespace wasm
#define BYN_DEBUG_WITH_TYPE(TYPE, X) \
do { \
if (::wasm::isDebugEnabled(TYPE)) { \
X; \
} \
} while (false)
#define BYN_TRACE_WITH_TYPE(TYPE, MSG) \
BYN_DEBUG_WITH_TYPE(TYPE, std::cerr << MSG);
#else
// We have an option to build with assertions disabled
// BYN_ASSERTIONS_ENABLED=OFF, but we currently don't recommend using and we
// don't test with it.
#error "binaryen is currently designed to be built with assertions enabled."
#error "remove these #errors if you want to build without them anyway."
#define BYN_DEBUG_WITH_TYPE(...) \
do { \
} while (false)
#define BYN_TRACE_WITH_TYPE(...) \
do { \
} while (false)
#define isDebugEnabled(type) (false)
#define setDebugEnabled(types)
#endif
#define BYN_DEBUG(X) BYN_DEBUG_WITH_TYPE(DEBUG_TYPE, X)
#define BYN_TRACE(MSG) BYN_TRACE_WITH_TYPE(DEBUG_TYPE, MSG)
#endif // wasm_support_debug_h
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