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https://github.com/LadybirdBrowser/ladybird.git
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d702678d16
This implements: - console.group() - console.groupCollapsed() - console.groupEnd() In the Browser, we use `<details>` for the groups, which is not actually implemented yet, so groups are always open. In the REPL, groups are non-interactive, but still indent any output. This looks weird since the console prompt and return values remain on the far left, but this matches what Node does so it's probably fine. :^) I expect `console.group()` is not used much outside of browsers.
123 lines
2.9 KiB
C++
123 lines
2.9 KiB
C++
/*
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* Copyright (c) 2020, Emanuele Torre <torreemanuele6@gmail.com>
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* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Function.h>
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#include <AK/HashMap.h>
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#include <AK/Noncopyable.h>
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#include <AK/Vector.h>
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#include <LibJS/Forward.h>
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#include <LibJS/Runtime/Value.h>
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namespace JS {
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class ConsoleClient;
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// https://console.spec.whatwg.org
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class Console {
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AK_MAKE_NONCOPYABLE(Console);
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AK_MAKE_NONMOVABLE(Console);
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public:
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// These are not really levels, but that's the term used in the spec.
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enum class LogLevel {
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Assert,
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Count,
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CountReset,
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Debug,
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Dir,
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DirXML,
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Error,
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Group,
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GroupCollapsed,
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Info,
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Log,
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TimeEnd,
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TimeLog,
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Trace,
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Warn,
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};
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struct Group {
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String label;
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};
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struct Trace {
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String label;
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Vector<String> stack;
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};
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explicit Console(GlobalObject&);
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void set_client(ConsoleClient& client) { m_client = &client; }
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GlobalObject& global_object() { return m_global_object; }
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const GlobalObject& global_object() const { return m_global_object; }
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VM& vm();
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Vector<Value> vm_arguments();
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HashMap<String, unsigned>& counters() { return m_counters; }
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const HashMap<String, unsigned>& counters() const { return m_counters; }
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ThrowCompletionOr<Value> debug();
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ThrowCompletionOr<Value> error();
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ThrowCompletionOr<Value> info();
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ThrowCompletionOr<Value> log();
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ThrowCompletionOr<Value> warn();
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Value clear();
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ThrowCompletionOr<Value> trace();
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ThrowCompletionOr<Value> count();
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ThrowCompletionOr<Value> count_reset();
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ThrowCompletionOr<Value> assert_();
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ThrowCompletionOr<Value> group();
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ThrowCompletionOr<Value> group_collapsed();
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ThrowCompletionOr<Value> group_end();
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void output_debug_message(LogLevel log_level, String output) const;
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private:
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ThrowCompletionOr<String> value_vector_to_string(Vector<Value>&);
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GlobalObject& m_global_object;
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ConsoleClient* m_client { nullptr };
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HashMap<String, unsigned> m_counters;
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Vector<Group> m_group_stack;
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};
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class ConsoleClient {
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public:
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explicit ConsoleClient(Console& console)
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: m_console(console)
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{
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}
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using PrinterArguments = Variant<Console::Group, Console::Trace, Vector<Value>>;
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ThrowCompletionOr<Value> logger(Console::LogLevel log_level, Vector<Value>& args);
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ThrowCompletionOr<Vector<Value>> formatter(Vector<Value>& args);
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virtual ThrowCompletionOr<Value> printer(Console::LogLevel log_level, PrinterArguments) = 0;
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virtual void clear() = 0;
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virtual void end_group() = 0;
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protected:
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virtual ~ConsoleClient() = default;
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VM& vm();
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GlobalObject& global_object() { return m_console.global_object(); }
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const GlobalObject& global_object() const { return m_console.global_object(); }
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Console& m_console;
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};
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}
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