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- /*
- * 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.
- */
- #pragma once
- #include <AK/HashMap.h>
- #include <AK/String.h>
- #include <LibJS/Forward.h>
- #include <LibJS/Runtime/Cell.h>
- #include <LibJS/Runtime/PrimitiveString.h>
- #include <LibJS/Runtime/PropertyName.h>
- #include <LibJS/Runtime/Shape.h>
- #include <LibJS/Runtime/Value.h>
- namespace JS {
- const u8 default_attributes = Attribute::Configurable | Attribute::Writable | Attribute::Enumerable;
- class Object : public Cell {
- public:
- static Object* create_empty(Interpreter&, GlobalObject&);
- explicit Object(Object* prototype);
- virtual ~Object();
- Shape& shape() { return *m_shape; }
- const Shape& shape() const { return *m_shape; }
- Value delete_property(PropertyName);
- virtual Value get_by_index(i32 property_index) const;
- Value get(const FlyString& property_name) const;
- Value get(PropertyName) const;
- virtual void put_by_index(i32 property_index, Value, u8 attributes = default_attributes);
- void put(const FlyString& property_name, Value, u8 attributes = default_attributes);
- void put(PropertyName, Value, u8 attributes = default_attributes);
- Value get_own_property(const Object& this_object, const FlyString& property_name) const;
- enum class PutOwnPropertyMode {
- Put,
- DefineProperty,
- };
- void put_own_property(Object& this_object, const FlyString& property_name, u8 attributes, Value, PutOwnPropertyMode);
- void put_native_function(const FlyString& property_name, AK::Function<Value(Interpreter&)>, i32 length = 0, u8 attribute = default_attributes);
- void put_native_property(const FlyString& property_name, AK::Function<Value(Interpreter&)> getter, AK::Function<void(Interpreter&, Value)> setter, u8 attribute = default_attributes);
- virtual bool is_array() const { return false; }
- virtual bool is_boolean() const { return false; }
- virtual bool is_date() const { return false; }
- virtual bool is_error() const { return false; }
- virtual bool is_function() const { return false; }
- virtual bool is_native_function() const { return false; }
- virtual bool is_bound_function() const { return false; }
- virtual bool is_native_property() const { return false; }
- virtual bool is_string_object() const { return false; }
- virtual const char* class_name() const override { return "Object"; }
- virtual void visit_children(Cell::Visitor&) override;
- Object* prototype();
- const Object* prototype() const;
- void set_prototype(Object*);
- bool has_prototype(const Object* prototype) const;
- bool has_own_property(const FlyString& property_name) const;
- enum class PreferredType {
- Default,
- String,
- Number,
- };
- virtual Value value_of() const { return Value(const_cast<Object*>(this)); }
- virtual Value to_primitive(PreferredType preferred_type = PreferredType::Default) const;
- virtual Value to_string() const;
- Value get_direct(size_t index) const { return m_storage[index]; }
- const Vector<Value>& elements() const { return m_elements; }
- Vector<Value>& elements() { return m_elements; }
- private:
- void set_shape(Shape&);
- void ensure_shape_is_unique();
- Shape* m_shape { nullptr };
- Vector<Value> m_storage;
- Vector<Value> m_elements;
- };
- }
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