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/*
* Copyright (c) 2020, Emanuele Torre <torreemanuele6@gmail.com>
* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Function.h>
#include <AK/HashMap.h>
#include <AK/Noncopyable.h>
#include <AK/Vector.h>
#include <LibCore/ElapsedTimer.h>
#include <LibJS/Forward.h>
#include <LibJS/Runtime/Value.h>
namespace JS {
class ConsoleClient;
// https://console.spec.whatwg.org
class Console {
AK_MAKE_NONCOPYABLE(Console);
AK_MAKE_NONMOVABLE(Console);
public:
// These are not really levels, but that's the term used in the spec.
enum class LogLevel {
Assert,
Count,
CountReset,
Debug,
Dir,
DirXML,
Error,
Group,
GroupCollapsed,
Info,
Log,
TimeEnd,
TimeLog,
Trace,
Warn,
};
struct Group {
String label;
};
struct Trace {
String label;
Vector<String> stack;
};
explicit Console(Realm&);
void set_client(ConsoleClient& client) { m_client = &client; }
Realm& realm() const { return m_realm; }
MarkedVector<Value> vm_arguments();
HashMap<String, unsigned>& counters() { return m_counters; }
HashMap<String, unsigned> const& counters() const { return m_counters; }
ThrowCompletionOr<Value> debug();
ThrowCompletionOr<Value> error();
ThrowCompletionOr<Value> info();
ThrowCompletionOr<Value> log();
ThrowCompletionOr<Value> warn();
Value clear();
ThrowCompletionOr<Value> trace();
ThrowCompletionOr<Value> count();
ThrowCompletionOr<Value> count_reset();
ThrowCompletionOr<Value> assert_();
ThrowCompletionOr<Value> group();
ThrowCompletionOr<Value> group_collapsed();
ThrowCompletionOr<Value> group_end();
ThrowCompletionOr<Value> time();
ThrowCompletionOr<Value> time_log();
ThrowCompletionOr<Value> time_end();
void output_debug_message(LogLevel log_level, String const& output) const;
void report_exception(JS::Error const&, bool) const;
private:
ThrowCompletionOr<String> value_vector_to_string(MarkedVector<Value> const&);
ThrowCompletionOr<String> format_time_since(Core::ElapsedTimer timer);
Realm& m_realm;
ConsoleClient* m_client { nullptr };
HashMap<String, unsigned> m_counters;
HashMap<String, Core::ElapsedTimer> m_timer_table;
Vector<Group> m_group_stack;
};
class ConsoleClient {
public:
explicit ConsoleClient(Console& console)
: m_console(console)
{
}
using PrinterArguments = Variant<Console::Group, Console::Trace, MarkedVector<Value>>;
ThrowCompletionOr<Value> logger(Console::LogLevel log_level, MarkedVector<Value> const& args);
ThrowCompletionOr<MarkedVector<Value>> formatter(MarkedVector<Value> const& args);
virtual ThrowCompletionOr<Value> printer(Console::LogLevel log_level, PrinterArguments) = 0;
virtual void add_css_style_to_current_message(StringView) { }
virtual void report_exception(JS::Error const&, bool) { }
virtual void clear() = 0;
virtual void end_group() = 0;
protected:
virtual ~ConsoleClient() = default;
Console& m_console;
};
}
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