ladybird/Userland/Libraries/LibJS/Console.h
Sam Atkins 9b78e287b0 LibJS+WebContent+js: Bring console.clear() to spec
This is identical to before, since we don't have "group stacks" yet, but
clear() now uses ThrowCompletionOr.
2021-12-27 21:44:07 +01:00

108 lines
2.5 KiB
C++

/*
* 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 <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,
};
explicit Console(GlobalObject&);
void set_client(ConsoleClient& client) { m_client = &client; }
GlobalObject& global_object() { return m_global_object; }
const GlobalObject& global_object() const { return m_global_object; }
VM& vm();
Vector<Value> vm_arguments();
HashMap<String, unsigned>& counters() { return m_counters; }
const HashMap<String, unsigned>& counters() const { return m_counters; }
ThrowCompletionOr<Value> debug();
ThrowCompletionOr<Value> error();
ThrowCompletionOr<Value> info();
ThrowCompletionOr<Value> log();
ThrowCompletionOr<Value> warn();
Value clear();
Value trace();
ThrowCompletionOr<Value> count();
ThrowCompletionOr<Value> count_reset();
Value assert_();
void output_debug_message(LogLevel log_level, String output) const;
private:
GlobalObject& m_global_object;
ConsoleClient* m_client { nullptr };
HashMap<String, unsigned> m_counters;
};
class ConsoleClient {
public:
explicit ConsoleClient(Console& console)
: m_console(console)
{
}
ThrowCompletionOr<Value> logger(Console::LogLevel log_level, Vector<Value>& args);
ThrowCompletionOr<Vector<Value>> formatter(Vector<Value>& args);
virtual ThrowCompletionOr<Value> printer(Console::LogLevel log_level, Vector<Value>&) = 0;
virtual void clear() = 0;
virtual Value trace() = 0;
virtual Value assert_() = 0;
protected:
virtual ~ConsoleClient() = default;
VM& vm();
GlobalObject& global_object() { return m_console.global_object(); }
const GlobalObject& global_object() const { return m_console.global_object(); }
Vector<String> get_trace() const;
Console& m_console;
};
}