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Diffstat (limited to 'deps/v8/include/cppgc/source-location.h')
-rw-r--r-- | deps/v8/include/cppgc/source-location.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/deps/v8/include/cppgc/source-location.h b/deps/v8/include/cppgc/source-location.h new file mode 100644 index 00000000000..8cc52d6a539 --- /dev/null +++ b/deps/v8/include/cppgc/source-location.h @@ -0,0 +1,59 @@ +// 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. + +#ifndef INCLUDE_CPPGC_SOURCE_LOCATION_H_ +#define INCLUDE_CPPGC_SOURCE_LOCATION_H_ + +#include <string> + +#include "v8config.h" // NOLINT(build/include_directory) + +#if defined(__has_builtin) +#define CPPGC_SUPPORTS_SOURCE_LOCATION \ + (__has_builtin(__builtin_FUNCTION) && __has_builtin(__builtin_FILE) && \ + __has_builtin(__builtin_LINE)) // NOLINT +#elif defined(V8_CC_GNU) && __GNUC__ >= 7 +#define CPPGC_SUPPORTS_SOURCE_LOCATION 1 +#elif defined(V8_CC_INTEL) && __ICC >= 1800 +#define CPPGC_SUPPORTS_SOURCE_LOCATION 1 +#else +#define CPPGC_SUPPORTS_SOURCE_LOCATION 0 +#endif + +namespace cppgc { + +// Encapsulates source location information. Mimics C++20's +// std::source_location. +class V8_EXPORT SourceLocation final { + public: +#if CPPGC_SUPPORTS_SOURCE_LOCATION + static constexpr SourceLocation Current( + const char* function = __builtin_FUNCTION(), + const char* file = __builtin_FILE(), size_t line = __builtin_LINE()) { + return SourceLocation(function, file, line); + } +#else + static constexpr SourceLocation Current() { return SourceLocation(); } +#endif // CPPGC_SUPPORTS_SOURCE_LOCATION + + constexpr SourceLocation() = default; + + constexpr const char* Function() const { return function_; } + constexpr const char* FileName() const { return file_; } + constexpr size_t Line() const { return line_; } + + std::string ToString() const; + + private: + constexpr SourceLocation(const char* function, const char* file, size_t line) + : function_(function), file_(file), line_(line) {} + + const char* function_ = nullptr; + const char* file_ = nullptr; + size_t line_ = 0u; +}; + +} // namespace cppgc + +#endif // INCLUDE_CPPGC_SOURCE_LOCATION_H_ |