v8
10.1.124 (node 18.2.0)
V8 is Google's open source JavaScript engine
source-location.h
Go to the documentation of this file.
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// Copyright 2020 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#
ifndef
INCLUDE_CPPGC_SOURCE_LOCATION_H_
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#
define
INCLUDE_CPPGC_SOURCE_LOCATION_H_
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#
include
<
cstddef
>
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#
include
<
string
>
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#
include
"v8config.h"
// NOLINT(build/include_directory)
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#
if
defined
(
__has_builtin
)
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#
define
CPPGC_SUPPORTS_SOURCE_LOCATION
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(
__has_builtin
(
__builtin_FUNCTION
)
&&
__has_builtin
(
__builtin_FILE
)
&&
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__has_builtin
(
__builtin_LINE
)
)
// NOLINT
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#
elif
defined
(
V8_CC_GNU
)
&&
__GNUC__
>=
7
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#
define
CPPGC_SUPPORTS_SOURCE_LOCATION
1
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#
elif
defined
(
V8_CC_INTEL
)
&&
__ICC
>=
1800
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#
define
CPPGC_SUPPORTS_SOURCE_LOCATION
1
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#
else
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#
define
CPPGC_SUPPORTS_SOURCE_LOCATION
0
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#
endif
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namespace
cppgc
{
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/**
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* Encapsulates source location information. Mimics C++20's
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* `std::source_location`.
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*/
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class
V8_EXPORT
SourceLocation
final
{
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public
:
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/**
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* Construct source location information corresponding to the location of the
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* call site.
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*/
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#
if
CPPGC_SUPPORTS_SOURCE_LOCATION
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static
constexpr
SourceLocation
Current(
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const
char
* function =
__builtin_FUNCTION
(),
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const
char
* file =
__builtin_FILE
(), size_t line =
__builtin_LINE
()) {
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return
SourceLocation
(function, file, line);
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}
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#
else
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static
constexpr
SourceLocation
Current
() {
return
SourceLocation
(); }
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#
endif
// CPPGC_SUPPORTS_SOURCE_LOCATION
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/**
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* Constructs unspecified source location information.
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*/
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constexpr
SourceLocation
() =
default
;
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/**
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* Returns the name of the function associated with the position represented
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* by this object, if any.
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*
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* \returns the function name as cstring.
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*/
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constexpr
const
char
*
Function
()
const
{
return
function_; }
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/**
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* Returns the name of the current source file represented by this object.
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*
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* \returns the file name as cstring.
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*/
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constexpr
const
char
*
FileName
()
const
{
return
file_; }
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/**
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* Returns the line number represented by this object.
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*
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* \returns the line number.
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*/
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constexpr
size_t
Line
()
const
{
return
line_; }
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/**
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* Returns a human-readable string representing this object.
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*
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* \returns a human-readable string representing source location information.
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*/
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std::string
ToString
()
const
;
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private
:
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constexpr
SourceLocation(
const
char
* function,
const
char
* file, size_t line)
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: function_(function), file_(file), line_(line) {}
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const
char
* function_ =
nullptr
;
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const
char
* file_ =
nullptr
;
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size_t line_ = 0u;
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};
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}
// namespace cppgc
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#
endif
// INCLUDE_CPPGC_SOURCE_LOCATION_H_
include
cppgc
source-location.h
Generated on Tue May 24 2022 19:28:55 for v8 by
1.9.1