mirror of
https://gitee.com/openharmony/third_party_spirv-tools
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223 lines
9.0 KiB
C++
223 lines
9.0 KiB
C++
// Copyright (c) 2016 Google Inc.
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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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#ifndef SOURCE_OPT_LOG_H_
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#define SOURCE_OPT_LOG_H_
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#include <cstdio>
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#include <cstdlib>
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#include <utility>
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#include <vector>
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#include "spirv-tools/libspirv.hpp"
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// Asserts the given condition is true. Otherwise, sends a message to the
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// consumer and exits the program with failure code. Accepts the following
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// formats:
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//
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// SPIRV_ASSERT(<message-consumer>, <condition-expression>);
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// SPIRV_ASSERT(<message-consumer>, <condition-expression>, <message>);
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// SPIRV_ASSERT(<message-consumer>, <condition-expression>,
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// <message-format>, <variable-arguments>);
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//
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// In the third format, the number of <variable-arguments> cannot exceed (5 -
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// 2). If more arguments are wanted, grow PP_ARG_N and PP_NARGS in the below.
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#if !defined(NDEBUG)
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#define SPIRV_ASSERT(consumer, ...) SPIRV_ASSERT_IMPL(consumer, __VA_ARGS__)
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#else
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// Adding a use to avoid errors in the release build related to unused
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// consumers.
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#define SPIRV_ASSERT(consumer, ...) (void)(consumer)
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#endif
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// Logs a debug message to the consumer. Accepts the following formats:
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//
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// SPIRV_DEBUG(<message-consumer>, <message>);
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// SPIRV_DEBUG(<message-consumer>, <message-format>, <variable-arguments>);
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//
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// In the second format, the number of <variable-arguments> cannot exceed (5 -
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// 1). If more arguments are wanted, grow PP_ARG_N and PP_NARGS in the below.
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#if !defined(NDEBUG) && defined(SPIRV_LOG_DEBUG)
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#define SPIRV_DEBUG(consumer, ...) SPIRV_DEBUG_IMPL(consumer, __VA_ARGS__)
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#else
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// Adding a use to avoid errors in the release build related to unused
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// consumers.
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#define SPIRV_DEBUG(consumer, ...) (void)(consumer)
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#endif
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// Helper macros for concatenating arguments.
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#define SPIRV_CONCATENATE(a, b) SPIRV_CONCATENATE_(a, b)
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#define SPIRV_CONCATENATE_(a, b) a##b
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// Helper macro to force expanding __VA_ARGS__ to satisfy MSVC compiler.
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#define PP_EXPAND(x) x
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namespace spvtools {
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// Calls the given |consumer| by supplying the |message|. The |message| is from
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// the given |source| and |location| and of the given severity |level|.
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inline void Log(const MessageConsumer& consumer, spv_message_level_t level,
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const char* source, const spv_position_t& position,
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const char* message) {
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if (consumer != nullptr) consumer(level, source, position, message);
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}
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// Calls the given |consumer| by supplying the message composed according to the
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// given |format|. The |message| is from the given |source| and |location| and
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// of the given severity |level|.
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template <typename... Args>
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void Logf(const MessageConsumer& consumer, spv_message_level_t level,
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const char* source, const spv_position_t& position,
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const char* format, Args&&... args) {
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#if defined(_MSC_VER) && _MSC_VER < 1900
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// Sadly, snprintf() is not supported until Visual Studio 2015!
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#define snprintf _snprintf
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#endif
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enum { kInitBufferSize = 256 };
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char message[kInitBufferSize];
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const int size =
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snprintf(message, kInitBufferSize, format, std::forward<Args>(args)...);
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if (size >= 0 && size < kInitBufferSize) {
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Log(consumer, level, source, position, message);
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return;
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}
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if (size >= 0) {
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// The initial buffer is insufficient. Allocate a buffer of a larger size,
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// and write to it instead. Force the size to be unsigned to avoid a
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// warning in GCC 7.1.
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std::vector<char> longer_message(size + 1u);
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snprintf(longer_message.data(), longer_message.size(), format,
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std::forward<Args>(args)...);
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Log(consumer, level, source, position, longer_message.data());
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return;
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}
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Log(consumer, level, source, position, "cannot compose log message");
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#if defined(_MSC_VER) && _MSC_VER < 1900
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#undef snprintf
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#endif
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}
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// Calls the given |consumer| by supplying the given error |message|. The
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// |message| is from the given |source| and |location|.
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inline void Error(const MessageConsumer& consumer, const char* source,
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const spv_position_t& position, const char* message) {
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Log(consumer, SPV_MSG_ERROR, source, position, message);
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}
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// Calls the given |consumer| by supplying the error message composed according
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// to the given |format|. The |message| is from the given |source| and
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// |location|.
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template <typename... Args>
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inline void Errorf(const MessageConsumer& consumer, const char* source,
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const spv_position_t& position, const char* format,
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Args&&... args) {
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Logf(consumer, SPV_MSG_ERROR, source, position, format,
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std::forward<Args>(args)...);
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}
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} // namespace spvtools
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#define SPIRV_ASSERT_IMPL(consumer, ...) \
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PP_EXPAND(SPIRV_CONCATENATE(SPIRV_ASSERT_, PP_NARGS(__VA_ARGS__))( \
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consumer, __VA_ARGS__))
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#define SPIRV_DEBUG_IMPL(consumer, ...) \
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PP_EXPAND(SPIRV_CONCATENATE(SPIRV_DEBUG_, PP_NARGS(__VA_ARGS__))( \
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consumer, __VA_ARGS__))
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#define SPIRV_ASSERT_1(consumer, condition) \
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do { \
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if (!(condition)) { \
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spvtools::Log(consumer, SPV_MSG_INTERNAL_ERROR, __FILE__, \
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{static_cast<size_t>(__LINE__), 0, 0}, \
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"assertion failed: " #condition); \
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std::exit(EXIT_FAILURE); \
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} \
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} while (0)
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#define SPIRV_ASSERT_2(consumer, condition, message) \
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do { \
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if (!(condition)) { \
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spvtools::Log(consumer, SPV_MSG_INTERNAL_ERROR, __FILE__, \
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{static_cast<size_t>(__LINE__), 0, 0}, \
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"assertion failed: " message); \
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std::exit(EXIT_FAILURE); \
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} \
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} while (0)
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#define SPIRV_ASSERT_more(consumer, condition, format, ...) \
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do { \
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if (!(condition)) { \
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spvtools::Logf(consumer, SPV_MSG_INTERNAL_ERROR, __FILE__, \
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{static_cast<size_t>(__LINE__), 0, 0}, \
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"assertion failed: " format, __VA_ARGS__); \
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std::exit(EXIT_FAILURE); \
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} \
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} while (0)
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#define SPIRV_ASSERT_3(consumer, condition, format, ...) \
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SPIRV_ASSERT_more(consumer, condition, format, __VA_ARGS__)
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#define SPIRV_ASSERT_4(consumer, condition, format, ...) \
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SPIRV_ASSERT_more(consumer, condition, format, __VA_ARGS__)
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#define SPIRV_ASSERT_5(consumer, condition, format, ...) \
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SPIRV_ASSERT_more(consumer, condition, format, __VA_ARGS__)
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#define SPIRV_DEBUG_1(consumer, message) \
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do { \
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spvtools::Log(consumer, SPV_MSG_DEBUG, __FILE__, \
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{static_cast<size_t>(__LINE__), 0, 0}, message); \
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} while (0)
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#define SPIRV_DEBUG_more(consumer, format, ...) \
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do { \
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spvtools::Logf(consumer, SPV_MSG_DEBUG, __FILE__, \
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{static_cast<size_t>(__LINE__), 0, 0}, format, \
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__VA_ARGS__); \
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} while (0)
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#define SPIRV_DEBUG_2(consumer, format, ...) \
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SPIRV_DEBUG_more(consumer, format, __VA_ARGS__)
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#define SPIRV_DEBUG_3(consumer, format, ...) \
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SPIRV_DEBUG_more(consumer, format, __VA_ARGS__)
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#define SPIRV_DEBUG_4(consumer, format, ...) \
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SPIRV_DEBUG_more(consumer, format, __VA_ARGS__)
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#define SPIRV_DEBUG_5(consumer, format, ...) \
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SPIRV_DEBUG_more(consumer, format, __VA_ARGS__)
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// Macros for counting the number of arguments passed in.
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#define PP_NARGS(...) PP_EXPAND(PP_ARG_N(__VA_ARGS__, 5, 4, 3, 2, 1, 0))
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#define PP_ARG_N(_1, _2, _3, _4, _5, N, ...) N
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// Tests for making sure that PP_NARGS() behaves as expected.
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static_assert(PP_NARGS(0) == 1, "PP_NARGS macro error");
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static_assert(PP_NARGS(0, 0) == 2, "PP_NARGS macro error");
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static_assert(PP_NARGS(0, 0, 0) == 3, "PP_NARGS macro error");
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static_assert(PP_NARGS(0, 0, 0, 0) == 4, "PP_NARGS macro error");
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static_assert(PP_NARGS(0, 0, 0, 0, 0) == 5, "PP_NARGS macro error");
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static_assert(PP_NARGS(1 + 1, 2, 3 / 3) == 3, "PP_NARGS macro error");
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static_assert(PP_NARGS((1, 1), 2, (3, 3)) == 3, "PP_NARGS macro error");
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#endif // SOURCE_OPT_LOG_H_
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