mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-01-24 10:12:25 -05:00
ff8bb962b6
We need to move towards supporting multiple global objects, which will be a large refactoring. To keep it manageable, let's do it in steps, starting with giving Object a way to find the GlobalObject it lives inside by asking its Shape for it.
175 lines
6.9 KiB
C++
175 lines
6.9 KiB
C++
/*
|
|
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
|
|
* 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/LogStream.h>
|
|
#include <LibJS/Interpreter.h>
|
|
#include <LibJS/Runtime/ArrayConstructor.h>
|
|
#include <LibJS/Runtime/ArrayPrototype.h>
|
|
#include <LibJS/Runtime/BigIntConstructor.h>
|
|
#include <LibJS/Runtime/BigIntPrototype.h>
|
|
#include <LibJS/Runtime/BooleanConstructor.h>
|
|
#include <LibJS/Runtime/BooleanPrototype.h>
|
|
#include <LibJS/Runtime/ConsoleObject.h>
|
|
#include <LibJS/Runtime/DateConstructor.h>
|
|
#include <LibJS/Runtime/DatePrototype.h>
|
|
#include <LibJS/Runtime/ErrorConstructor.h>
|
|
#include <LibJS/Runtime/ErrorPrototype.h>
|
|
#include <LibJS/Runtime/FunctionConstructor.h>
|
|
#include <LibJS/Runtime/FunctionPrototype.h>
|
|
#include <LibJS/Runtime/GlobalObject.h>
|
|
#include <LibJS/Runtime/MathObject.h>
|
|
#include <LibJS/Runtime/NativeFunction.h>
|
|
#include <LibJS/Runtime/NumberConstructor.h>
|
|
#include <LibJS/Runtime/NumberPrototype.h>
|
|
#include <LibJS/Runtime/Object.h>
|
|
#include <LibJS/Runtime/ObjectConstructor.h>
|
|
#include <LibJS/Runtime/ObjectPrototype.h>
|
|
#include <LibJS/Runtime/ProxyConstructor.h>
|
|
#include <LibJS/Runtime/ProxyPrototype.h>
|
|
#include <LibJS/Runtime/ReflectObject.h>
|
|
#include <LibJS/Runtime/RegExpConstructor.h>
|
|
#include <LibJS/Runtime/RegExpPrototype.h>
|
|
#include <LibJS/Runtime/Shape.h>
|
|
#include <LibJS/Runtime/StringConstructor.h>
|
|
#include <LibJS/Runtime/StringPrototype.h>
|
|
#include <LibJS/Runtime/SymbolConstructor.h>
|
|
#include <LibJS/Runtime/SymbolPrototype.h>
|
|
#include <LibJS/Runtime/Value.h>
|
|
|
|
namespace JS {
|
|
|
|
GlobalObject::GlobalObject()
|
|
: Object(nullptr)
|
|
{
|
|
}
|
|
|
|
void GlobalObject::initialize()
|
|
{
|
|
// These are done first since other prototypes depend on their presence.
|
|
m_empty_object_shape = heap().allocate<Shape>(*this);
|
|
m_object_prototype = heap().allocate<ObjectPrototype>();
|
|
m_function_prototype = heap().allocate<FunctionPrototype>();
|
|
|
|
static_cast<FunctionPrototype*>(m_function_prototype)->initialize();
|
|
static_cast<ObjectPrototype*>(m_object_prototype)->initialize();
|
|
|
|
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName) \
|
|
if (!m_##snake_name##_prototype) \
|
|
m_##snake_name##_prototype = heap().allocate<PrototypeName>();
|
|
JS_ENUMERATE_BUILTIN_TYPES
|
|
#undef __JS_ENUMERATE
|
|
|
|
u8 attr = Attribute::Writable | Attribute::Configurable;
|
|
define_native_function("gc", gc, 0, attr);
|
|
define_native_function("isNaN", is_nan, 1, attr);
|
|
define_native_function("isFinite", is_finite, 1, attr);
|
|
define_native_function("parseFloat", parse_float, 1, attr);
|
|
|
|
define_property("NaN", js_nan(), 0);
|
|
define_property("Infinity", js_infinity(), 0);
|
|
define_property("undefined", js_undefined(), 0);
|
|
|
|
define_property("globalThis", this, attr);
|
|
define_property("console", heap().allocate<ConsoleObject>(), attr);
|
|
define_property("Math", heap().allocate<MathObject>(), attr);
|
|
define_property("Reflect", heap().allocate<ReflectObject>(), attr);
|
|
|
|
add_constructor("Array", m_array_constructor, *m_array_prototype);
|
|
add_constructor("BigInt", m_bigint_constructor, *m_bigint_prototype);
|
|
add_constructor("Boolean", m_boolean_constructor, *m_boolean_prototype);
|
|
add_constructor("Date", m_date_constructor, *m_date_prototype);
|
|
add_constructor("Error", m_error_constructor, *m_error_prototype);
|
|
add_constructor("Function", m_function_constructor, *m_function_prototype);
|
|
add_constructor("Number", m_number_constructor, *m_number_prototype);
|
|
add_constructor("Object", m_object_constructor, *m_object_prototype);
|
|
add_constructor("Proxy", m_proxy_constructor, *m_proxy_prototype);
|
|
add_constructor("RegExp", m_regexp_constructor, *m_regexp_prototype);
|
|
add_constructor("String", m_string_constructor, *m_string_prototype);
|
|
add_constructor("Symbol", m_symbol_constructor, *m_symbol_prototype);
|
|
|
|
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName) \
|
|
add_constructor(#ClassName, m_##snake_name##_constructor, *m_##snake_name##_prototype);
|
|
JS_ENUMERATE_ERROR_SUBCLASSES
|
|
#undef __JS_ENUMERATE
|
|
}
|
|
|
|
GlobalObject::~GlobalObject()
|
|
{
|
|
}
|
|
|
|
void GlobalObject::visit_children(Visitor& visitor)
|
|
{
|
|
Object::visit_children(visitor);
|
|
|
|
visitor.visit(m_empty_object_shape);
|
|
|
|
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName) \
|
|
visitor.visit(m_##snake_name##_constructor);
|
|
JS_ENUMERATE_ERROR_SUBCLASSES
|
|
#undef __JS_ENUMERATE
|
|
}
|
|
|
|
Value GlobalObject::gc(Interpreter& interpreter)
|
|
{
|
|
dbg() << "Forced garbage collection requested!";
|
|
interpreter.heap().collect_garbage();
|
|
return js_undefined();
|
|
}
|
|
|
|
Value GlobalObject::is_nan(Interpreter& interpreter)
|
|
{
|
|
auto number = interpreter.argument(0).to_number(interpreter);
|
|
if (interpreter.exception())
|
|
return {};
|
|
return Value(number.is_nan());
|
|
}
|
|
|
|
Value GlobalObject::is_finite(Interpreter& interpreter)
|
|
{
|
|
auto number = interpreter.argument(0).to_number(interpreter);
|
|
if (interpreter.exception())
|
|
return {};
|
|
return Value(number.is_finite_number());
|
|
}
|
|
|
|
Value GlobalObject::parse_float(Interpreter& interpreter)
|
|
{
|
|
if (interpreter.argument(0).is_number())
|
|
return interpreter.argument(0);
|
|
auto string = interpreter.argument(0).to_string(interpreter);
|
|
if (interpreter.exception())
|
|
return {};
|
|
for (size_t length = string.length(); length > 0; --length) {
|
|
// This can't throw, so no exception check is fine.
|
|
auto number = Value(js_string(interpreter, string.substring(0, length))).to_number(interpreter);
|
|
if (!number.is_nan())
|
|
return number;
|
|
}
|
|
return js_nan();
|
|
}
|
|
|
|
}
|