bc1ece7f37
Everyone who constructs an Object must now pass a prototype object when applicable. There's still a fair amount of code that passes something fetched from the Interpreter, but this brings us closer to being able to detach prototypes from Interpreter eventually.
116 lines
4.4 KiB
C++
116 lines
4.4 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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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/LogStream.h>
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#include <AK/String.h>
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#include <LibJS/Heap/Heap.h>
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#include <LibJS/Interpreter.h>
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#include <LibJS/Runtime/ArrayConstructor.h>
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#include <LibJS/Runtime/BooleanConstructor.h>
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#include <LibJS/Runtime/ConsoleObject.h>
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#include <LibJS/Runtime/DateConstructor.h>
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#include <LibJS/Runtime/ErrorConstructor.h>
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#include <LibJS/Runtime/FunctionConstructor.h>
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#include <LibJS/Runtime/GlobalObject.h>
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#include <LibJS/Runtime/MathObject.h>
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#include <LibJS/Runtime/NativeFunction.h>
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#include <LibJS/Runtime/NumberConstructor.h>
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#include <LibJS/Runtime/ObjectConstructor.h>
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#include <LibJS/Runtime/StringConstructor.h>
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#include <LibJS/Runtime/Value.h>
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namespace JS {
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template<typename ConstructorType>
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void GlobalObject::add_constructor(const FlyString& property_name, ConstructorType*& constructor, Object& prototype)
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{
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constructor = heap().allocate<ConstructorType>();
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prototype.put("constructor", constructor);
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put(property_name, constructor);
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}
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GlobalObject::GlobalObject()
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: Object(interpreter().object_prototype())
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{
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put_native_function("gc", gc);
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put_native_function("isNaN", is_nan, 1);
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// FIXME: These are read-only in ES5
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put("NaN", js_nan());
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put("Infinity", js_infinity());
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put("undefined", js_undefined());
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put("globalThis", this);
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put("console", heap().allocate<ConsoleObject>());
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put("Math", heap().allocate<MathObject>());
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add_constructor("Array", m_array_constructor, *interpreter().array_prototype());
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add_constructor("Boolean", m_boolean_constructor, *interpreter().boolean_prototype());
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add_constructor("Date", m_date_constructor, *interpreter().date_prototype());
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add_constructor("Error", m_error_constructor, *interpreter().error_prototype());
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add_constructor("Function", m_function_constructor, *interpreter().function_prototype());
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add_constructor("Number", m_number_constructor, *interpreter().number_prototype());
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add_constructor("Object", m_object_constructor, *interpreter().object_prototype());
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add_constructor("String", m_string_constructor, *interpreter().string_prototype());
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#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName) \
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add_constructor(#ClassName, m_##snake_name##_constructor, *interpreter().snake_name##_prototype());
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JS_ENUMERATE_ERROR_SUBCLASSES
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#undef __JS_ENUMERATE
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}
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GlobalObject::~GlobalObject()
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{
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}
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void GlobalObject::visit_children(Visitor& visitor)
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{
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Object::visit_children(visitor);
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visitor.visit(m_array_constructor);
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visitor.visit(m_boolean_constructor);
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visitor.visit(m_date_constructor);
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visitor.visit(m_error_constructor);
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visitor.visit(m_function_constructor);
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visitor.visit(m_number_constructor);
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visitor.visit(m_object_constructor);
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}
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Value GlobalObject::gc(Interpreter& interpreter)
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{
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dbg() << "Forced garbage collection requested!";
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interpreter.heap().collect_garbage();
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return js_undefined();
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}
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Value GlobalObject::is_nan(Interpreter& interpreter)
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{
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if (interpreter.argument_count() < 1)
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return js_undefined();
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return Value(interpreter.argument(0).to_number().is_nan());
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}
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}
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