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LibJS: Implement ConsoleClient

Browse source 
Now, you can optionally specify a ConsoleClient, to customise the
behaviour of the LibJS Console.

To customise the console, create a new ConsoleClient class that inherits
from JS::ConsoleClient and override all the abstract methods.

When Console::log() is called, if Console has a ConsoleClient,
ConsoleClient::log() is called instead.

These abstract methods are Value(void) functions: you can return a Value
which will be returned by the JavaScript function which calls that
method, in JavaScript.
This commit is contained in:
Emanuele Torre 2020-05-04 15:57:05 +02:00 • committed by Andreas Kling
parent bc7ed4524e
commit e91ab0cb02
2 changed files with 56 additions and 0 deletions
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27
Libraries/LibJS/Console.cpp
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@ -39,42 +39,63 @@ Console::Console(Interpreter& interpreter)
Value Console::debug()
{
if (m_client)
return m_client->debug();
dbg() << "debug: " << m_interpreter.join_arguments();
return js_undefined();
}
Value Console::error()
{
if (m_client)
return m_client->error();
dbg() << "error: " << m_interpreter.join_arguments();
return js_undefined();
}
Value Console::info()
{
if (m_client)
return m_client->info();
dbg() << "info: " << m_interpreter.join_arguments();
return js_undefined();
}
Value Console::log()
{
if (m_client)
return m_client->log();
dbg() << "log: " << m_interpreter.join_arguments();
return js_undefined();
}
Value Console::warn()
{
if (m_client)
return m_client->warn();
dbg() << "warn: " << m_interpreter.join_arguments();
return js_undefined();
}
Value Console::clear()
{
if (m_client)
return m_client->clear();
dbg() << "clear:";
return js_undefined();
}
Value Console::trace()
{
if (m_client)
return m_client->trace();
StringBuilder message_text;
message_text.append(m_interpreter.join_arguments());
@ -92,6 +113,9 @@ Value Console::trace()
Value Console::count()
{
if (m_client)
return m_client->count();
auto label = m_interpreter.argument_count() ? m_interpreter.argument(0).to_string() : "default";
auto counter_value = counter_increment(label);
@ -102,6 +126,9 @@ Value Console::count()
Value Console::count_reset()
{
if (m_client)
return m_client->count_reset();
auto label = m_interpreter.argument_count() ? m_interpreter.argument(0).to_string() : "default";
if (counter_reset(label))