ladybird/Libraries/LibJS/Console.cpp
Emanuele Torre bc7ed4524e LibJS: Add some helpers and use them to re-implement Console functions
Also add const overloads for some getters.

Also const-qualify Interpreter::join_arguments().
2020-05-05 09:15:16 +02:00

137 lines
3.7 KiB
C++

/*
* Copyright (c) 2020, Emanuele Torre <torreemanuele6@gmail.com>
* Copyright (c) 2020, Linus Groh <mail@linusgroh.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/String.h>
#include <AK/StringBuilder.h>
#include <LibJS/Console.h>
#include <LibJS/Interpreter.h>
namespace JS {
Console::Console(Interpreter& interpreter)
: m_interpreter(interpreter)
{
}
Value Console::debug()
{
dbg() << "debug: " << m_interpreter.join_arguments();
return js_undefined();
}
Value Console::error()
{
dbg() << "error: " << m_interpreter.join_arguments();
return js_undefined();
}
Value Console::info()
{
dbg() << "info: " << m_interpreter.join_arguments();
return js_undefined();
}
Value Console::log()
{
dbg() << "log: " << m_interpreter.join_arguments();
return js_undefined();
}
Value Console::warn()
{
dbg() << "warn: " << m_interpreter.join_arguments();
return js_undefined();
}
Value Console::clear()
{
dbg() << "clear:";
return js_undefined();
}
Value Console::trace()
{
StringBuilder message_text;
message_text.append(m_interpreter.join_arguments());
auto trace = m_interpreter.get_trace();
for (auto function_name : trace) {
message_text.append("\n -> ");
if (String(function_name).is_empty())
function_name = "<anonymous>";
message_text.append(function_name);
}
dbg() << "log: " << message_text.build();
return js_undefined();
}
Value Console::count()
{
auto label = m_interpreter.argument_count() ? m_interpreter.argument(0).to_string() : "default";
auto counter_value = counter_increment(label);
dbg() << "log: " << label << ": " << counter_value;
return js_undefined();
}
Value Console::count_reset()
{
auto label = m_interpreter.argument_count() ? m_interpreter.argument(0).to_string() : "default";
if (counter_reset(label))
dbg() << "log: " << label << ": 0";
else
dbg() << "warn: \"" << label << "\" doesn't have a count";
return js_undefined();
}
unsigned Console::counter_increment(String label)
{
auto value = m_counters.get(label);
if (!value.has_value()) {
m_counters.set(label, 1);
return 1;
}
auto new_value = value.value() + 1;
m_counters.set(label, new_value);
return new_value;
}
bool Console::counter_reset(String label)
{
if (!m_counters.contains(label))
return false;
m_counters.remove(label);
return true;
}
}