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LibJS: Add "Heap" and "Runtime" subdirectories

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Let's try to keep LibJS tidy as it expands. :^)
This commit is contained in:
Andreas Kling 2020-03-16 14:20:30 +01:00
parent 6780d70fb1
commit 19452230cd
39 changed files with 99 additions and 98 deletions
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120
Libraries/LibJS/Object.cpp
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@ -1,120 +0,0 @@
/*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* 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 <LibJS/Heap.h>
#include <LibJS/Interpreter.h>
#include <LibJS/NativeFunction.h>
#include <LibJS/NativeProperty.h>
#include <LibJS/Object.h>
#include <LibJS/Value.h>
namespace JS {
Object::Object()
{
set_prototype(interpreter().object_prototype());
}
Object::~Object()
{
}
Value Object::get(String property_name) const
{
const Object* object = this;
while (object) {
auto value = object->m_properties.get(property_name);
if (value.has_value()) {
if (value.value().is_object() && value.value().as_object()->is_native_property())
return static_cast<const NativeProperty*>(value.value().as_object())->get(const_cast<Object*>(this));
return value.value();
}
object = object->prototype();
}
return js_undefined();
}
void Object::put(String property_name, Value value)
{
m_properties.set(property_name, move(value));
}
void Object::put_native_function(String property_name, AK::Function<Value(Object*, Vector<Value>)> native_function)
{
put(property_name, heap().allocate<NativeFunction>(move(native_function)));
}
void Object::put_native_property(String property_name, AK::Function<Value(Object*)> getter, AK::Function<void(Object*, Value)> setter)
{
put(property_name, heap().allocate<NativeProperty>(move(getter), move(setter)));
}
void Object::visit_children(Cell::Visitor& visitor)
{
Cell::visit_children(visitor);
if (m_prototype)
visitor.visit(m_prototype);
for (auto& it : m_properties)
visitor.visit(it.value);
}
bool Object::has_own_property(const String& property_name) const
{
return m_properties.get(property_name).has_value();
}
Value Object::to_primitive(PreferredType preferred_type) const
{
Value result = js_undefined();
switch (preferred_type) {
case PreferredType::Default:
case PreferredType::Number: {
result = value_of();
if (result.is_object()) {
result = to_string();
}
break;
}
case PreferredType::String: {
result = to_string();
if (result.is_object())
result = value_of();
break;
}
}
ASSERT(!result.is_object());
return result;
}
Value Object::to_string() const
{
return js_string(heap(), String::format("[object %s]", class_name()));
}
}