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- /*
- * 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();
- }
- }
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