ladybird/AK/SourceLocation.h
Andreas Kling 216e21a1fa AK: Convert AK::Format formatting helpers to returning ErrorOr<void>
This isn't a complete conversion to ErrorOr<void>, but a good chunk.
The end goal here is to propagate buffer allocation failures to the
caller, and allow the use of TRY() with formatting functions.
2021-11-17 00:21:13 +01:00

53 lines
1.5 KiB
C++

/*
* 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 StringView(m_function); }
[[nodiscard]] constexpr StringView filename() const { return StringView(m_file); }
[[nodiscard]] constexpr u32 line_number() const { return m_line; }
[[nodiscard]] static constexpr SourceLocation current(const char* const file = __builtin_FILE(), u32 line = __builtin_LINE(), const char* const function = __builtin_FUNCTION())
{
return SourceLocation(file, line, function);
}
constexpr SourceLocation() = default;
private:
constexpr SourceLocation(const char* const file, u32 line, const char* const function)
: m_function(function)
, m_file(file)
, m_line(line)
{
}
const char* const m_function { nullptr };
const char* 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, "[{} @ {}:{}]", location.function_name(), location.filename(), location.line_number());
}
};
using AK::SourceLocation;