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