30519c22f6
Console methods are now Value(void) functions. JavaScript functions in the JavaScript ConsoleObject are now implemented as simple wrappers around Console methods. This will make it possible for LibJS users to easily override the default behaviour of JS console functions (even their return value!) once we add a way to override Console behaviour.
127 lines
3.7 KiB
C++
127 lines
3.7 KiB
C++
/*
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* Copyright (c) 2020, Emanuele Torre <torreemanuele6@gmail.com>
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* Copyright (c) 2020, Linus Groh <mail@linusgroh.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <AK/String.h>
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#include <AK/StringBuilder.h>
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#include <LibJS/Console.h>
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#include <LibJS/Interpreter.h>
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namespace JS {
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Console::Console(Interpreter& interpreter)
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: m_interpreter(interpreter)
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{
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}
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Value Console::debug()
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{
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dbg() << "debug: " << m_interpreter.join_arguments();
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return js_undefined();
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}
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Value Console::error()
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{
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dbg() << "error: " << m_interpreter.join_arguments();
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return js_undefined();
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}
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Value Console::info()
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{
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dbg() << "info: " << m_interpreter.join_arguments();
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return js_undefined();
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}
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Value Console::log()
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{
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dbg() << "log: " << m_interpreter.join_arguments();
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return js_undefined();
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}
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Value Console::warn()
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{
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dbg() << "warn: " << m_interpreter.join_arguments();
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return js_undefined();
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}
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Value Console::clear()
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{
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dbg() << "clear:";
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return js_undefined();
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}
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Value Console::trace()
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{
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StringBuilder message_text;
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message_text.append(m_interpreter.join_arguments());
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auto call_stack = m_interpreter.call_stack();
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// -2 to skip the console.trace() call frame
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for (ssize_t i = call_stack.size() - 2; i >= 0; --i) {
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auto function_name = call_stack[i].function_name;
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message_text.append("\n -> ");
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if (String(function_name).is_empty())
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function_name = "<anonymous>";
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message_text.append(function_name);
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}
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dbg() << "log: " << message_text.build();
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return js_undefined();
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}
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Value Console::count()
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{
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auto label = m_interpreter.argument_count() ? m_interpreter.argument(0).to_string() : "default";
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auto counter_value = m_counters.get(label);
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if (!counter_value.has_value()) {
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dbg() << "log: " << label << ": 1";
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m_counters.set(label, 1);
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return js_undefined();
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}
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auto new_counter_value = counter_value.value() + 1;
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dbg() << "log: " << label << ": " << new_counter_value;
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m_counters.set(label, new_counter_value);
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return js_undefined();
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}
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Value Console::count_reset()
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{
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auto label = m_interpreter.argument_count() ? m_interpreter.argument(0).to_string() : "default";
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if (m_counters.contains(label)) {
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dbg() << "warn: \"" << label << "\" doesn't have a count";
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return js_undefined();
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}
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m_counters.remove(label);
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dbg() << "log: " << label << ": 0";
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return js_undefined();
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}
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}
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