ladybird/AK/SourceLocation.h

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/*
* Copyright (c) 2021, Andrew Kaster <akaster@serenityos.org>
* Copyright (c) 2021, Brian Gianforcaro <bgianf@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Format.h>
#include <AK/StringView.h>
#include <AK/Types.h>
namespace AK {
class SourceLocation {
public:
[[nodiscard]] constexpr StringView function_name() const { return { m_function, __builtin_strlen(m_function) }; }
[[nodiscard]] constexpr StringView filename() const { return { m_file, __builtin_strlen(m_file) }; }
[[nodiscard]] constexpr u32 line_number() const { return m_line; }
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[[nodiscard]] static constexpr SourceLocation current(char const* const file = __builtin_FILE(), u32 line = __builtin_LINE(), char const* const function = __builtin_FUNCTION())
{
return SourceLocation(file, line, function);
}
constexpr SourceLocation() = default;
private:
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constexpr SourceLocation(char const* const file, u32 line, char const* const function)
: m_function(function)
, m_file(file)
, m_line(line)
{
}
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char const* const m_function { nullptr };
char const* const m_file { nullptr };
const u32 m_line { 0 };
};
}
template<>
struct AK::Formatter<AK::SourceLocation> : AK::Formatter<FormatString> {
ErrorOr<void> format(FormatBuilder& builder, AK::SourceLocation location)
{
return AK::Formatter<FormatString>::format(builder, "[\x1b[34m{}\x1b[0m @ {}:{}]"sv, location.function_name(), location.filename(), location.line_number());
}
};
using AK::SourceLocation;