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Name	Size	Permission
internal	[ DIR ]	drwxr-xr-x
allocation.h	11.61 KB	-rw-r--r--
common.h	643 B	-rw-r--r--
cross-thread-persistent.h	14.81 KB	-rw-r--r--
custom-space.h	2.4 KB	-rw-r--r--
default-platform.h	2.18 KB	-rw-r--r--
ephemeron-pair.h	804 B	-rw-r--r--
explicit-management.h	3.29 KB	-rw-r--r--
garbage-collected.h	3.11 KB	-rw-r--r--
heap-consistency.h	11.74 KB	-rw-r--r--
heap-handle.h	1.26 KB	-rw-r--r--
heap-state.h	2.57 KB	-rw-r--r--
heap-statistics.h	3.89 KB	-rw-r--r--
heap.h	5.7 KB	-rw-r--r--
liveness-broker.h	2.34 KB	-rw-r--r--
macros.h	1.31 KB	-rw-r--r--
member.h	22.75 KB	-rw-r--r--
name-provider.h	1.99 KB	-rw-r--r--
object-size-trait.h	1.6 KB	-rw-r--r--
persistent.h	13.5 KB	-rw-r--r--
platform.h	5.56 KB	-rw-r--r--
prefinalizer.h	2.88 KB	-rw-r--r--
process-heap-statistics.h	1009 B	-rw-r--r--
sentinel-pointer.h	935 B	-rw-r--r--
source-location.h	2.57 KB	-rw-r--r--
testing.h	2.96 KB	-rw-r--r--
trace-trait.h	3.14 KB	-rw-r--r--
type-traits.h	7.78 KB	-rw-r--r--
visitor.h	14.84 KB	-rw-r--r--

Code Editor : source-location.h

// 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 <cstddef>
#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:
  /**
   * Construct source location information corresponding to the location of the
   * call site.
   */
#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

/**
   * Constructs unspecified source location information.
   */
  constexpr SourceLocation() = default;

/**
   * Returns the name of the function associated with the position represented
   * by this object, if any.
   *
   * \returns the function name as cstring.
   */
  constexpr const char* Function() const { return function_; }

/**
   * Returns the name of the current source file represented by this object.
   *
   * \returns the file name as cstring.
   */
  constexpr const char* FileName() const { return file_; }

/**
   * Returns the line number represented by this object.
   *
   * \returns the line number.
   */
  constexpr size_t Line() const { return line_; }

/**
   * Returns a human-readable string representing this object.
   *
   * \returns a human-readable string representing source location information.
   */
  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_

${this.title}

Code Editor : source-location.h