/*

 * Copyright (c) 2020, Denis Campredon <deni_@hotmail.fr>

 * Copyright (c) 2021, the SerenityOS developers.

 *

 * SPDX-License-Identifier: BSD-2-Clause

 */

#pragma once

#include <AK/ByteString.h>

#include <AK/SourceLocation.h>

#include <AK/StringBuilder.h>

namespace AK {

template<bool = true>

class ScopeLogger {

public:

    ScopeLogger(StringView extra, SourceLocation const& location = SourceLocation::current())

        : m_location(location)

        , m_extra(extra)

    {

        StringBuilder sb;

        for (auto indent = m_depth++; indent > 0; indent--)

            sb.append(' ');

        if (m_extra.is_empty())

            dbgln("\033[1;{}m{}entering {}\033[0m", m_depth % 8 + 30, sb.to_byte_string(), m_location);

        else

            dbgln("\033[1;{}m{}entering {}\033[0m ({})", m_depth % 8 + 30, sb.to_byte_string(), m_location, m_extra);

    }

    ScopeLogger(SourceLocation location = SourceLocation::current())

        : ScopeLogger({}, move(location))

    {

    }

    ~ScopeLogger()

    {

        StringBuilder sb;

        auto depth = m_depth;

        for (auto indent = --m_depth; indent > 0; indent--)

            sb.append(' ');

        if (m_extra.is_empty())

            dbgln("\033[1;{}m{}leaving {}\033[0m", depth % 8 + 30, sb.to_byte_string(), m_location);

        else

            dbgln("\033[1;{}m{}leaving {}\033[0m ({})", depth % 8 + 30, sb.to_byte_string(), m_location, m_extra);

    }

private:

    static inline size_t m_depth = 0;

    SourceLocation m_location;

    ByteString m_extra;

};

template<>

class ScopeLogger<false> {

public:

    template<typename... Args>

    ScopeLogger(Args...) { }

AK::ScopeLogger<false>::ScopeLogger<>()

Line

Count

Source

60

35.9M

    ScopeLogger(Args...) { }

AK::ScopeLogger<false>::ScopeLogger<AK::StringView>(AK::StringView)

Line

Count

Source

60

28.2M

    ScopeLogger(Args...) { }

};

}

#if USING_AK_GLOBALLY

using AK::ScopeLogger;

#endif