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LibJS: Simplify and normalize publicly-exposed Object functions

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Previously, the Object class had many different types of functions for
each action. For example: get_by_index, get(PropertyName),
get(FlyString). This is a bit verbose, so these methods have been
shortened to simply use the PropertyName structure. The methods then
internally call _by_index if necessary. Note that the _by_index
have been made private to enforce this change.

Secondly, a clear distinction has been made between "putting" and
"defining" an object property. "Putting" should mean modifying a
(potentially) already existing property. This is akin to doing "a.b =
'foo'".

This implies two things about put operations:
    - They will search the prototype chain for setters and call them, if
      necessary.
    - If no property exists with a particular key, the put operation
      should create a new property with the default attributes
      (configurable, writable, and enumerable).

In contrast, "defining" a property should completely overwrite any
existing value without calling setters (if that property is
configurable, of course).

Thus, all of the many JS objects have had any "put" calls changed to
"define_property" calls. Additionally, "put_native_function" and
"put_native_property" have had their "put" replaced with "define".

Finally, "put_own_property" has been made private, as all necessary
functionality should be exposed with the put and define_property
methods.
This commit is contained in:
Matthew Olsson 2020-05-26 21:33:37 -07:00 • committed by Andreas Kling
parent 59a32f29b0
commit dd08c992e8
45 changed files with 501 additions and 417 deletions
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36
Libraries/LibWeb/Bindings/CanvasRenderingContext2DWrapper.cpp
View file

@ -51,25 +51,25 @@ CanvasRenderingContext2DWrapper::CanvasRenderingContext2DWrapper(CanvasRendering
: Wrapper(*interpreter().global_object().object_prototype())
, m_impl(impl)
{
put_native_function("fillRect", fill_rect, 4);
put_native_function("scale", scale, 2);
put_native_function("translate", translate, 2);
put_native_function("strokeRect", stroke_rect, 4);
put_native_function("drawImage", draw_image, 3);
put_native_function("beginPath", begin_path, 0);
put_native_function("closePath", close_path, 0);
put_native_function("stroke", stroke, 0);
put_native_function("fill", fill, 0);
put_native_function("moveTo", move_to, 2);
put_native_function("lineTo", line_to, 2);
put_native_function("quadraticCurveTo", quadratic_curve_to, 4);
put_native_function("createImageData", create_image_data, 1);
put_native_function("putImageData", put_image_data, 3);
define_native_function("fillRect", fill_rect, 4);
define_native_function("scale", scale, 2);
define_native_function("translate", translate, 2);
define_native_function("strokeRect", stroke_rect, 4);
define_native_function("drawImage", draw_image, 3);
define_native_function("beginPath", begin_path, 0);
define_native_function("closePath", close_path, 0);
define_native_function("stroke", stroke, 0);
define_native_function("fill", fill, 0);
define_native_function("moveTo", move_to, 2);
define_native_function("lineTo", line_to, 2);
define_native_function("quadraticCurveTo", quadratic_curve_to, 4);
define_native_function("createImageData", create_image_data, 1);
define_native_function("putImageData", put_image_data, 3);
put_native_property("fillStyle", fill_style_getter, fill_style_setter);
put_native_property("strokeStyle", stroke_style_getter, stroke_style_setter);
put_native_property("lineWidth", line_width_getter, line_width_setter);
put_native_property("canvas", canvas_getter, nullptr);
define_native_property("fillStyle", fill_style_getter, fill_style_setter);
define_native_property("strokeStyle", stroke_style_getter, stroke_style_setter);
define_native_property("lineWidth", line_width_getter, line_width_setter);
define_native_property("canvas", canvas_getter, nullptr);
}
CanvasRenderingContext2DWrapper::~CanvasRenderingContext2DWrapper()

6
Libraries/LibWeb/Bindings/DocumentWrapper.cpp
View file

@ -40,9 +40,9 @@ namespace Bindings {
DocumentWrapper::DocumentWrapper(Document& document)
: NodeWrapper(document)
{
put_native_function("getElementById", get_element_by_id, 1);
put_native_function("querySelector", query_selector, 1);
put_native_function("querySelectorAll", query_selector_all, 1);
define_native_function("getElementById", get_element_by_id, 1);
define_native_function("querySelector", query_selector, 1);
define_native_function("querySelectorAll", query_selector_all, 1);
}
DocumentWrapper::~DocumentWrapper()

8
Libraries/LibWeb/Bindings/ElementWrapper.cpp
View file

@ -40,12 +40,12 @@ namespace Bindings {
ElementWrapper::ElementWrapper(Element& element)
: NodeWrapper(element)
{
put_native_property("innerHTML", inner_html_getter, inner_html_setter);
put_native_property("id", id_getter, id_setter);
define_native_property("innerHTML", inner_html_getter, inner_html_setter);
define_native_property("id", id_getter, id_setter);
u8 attributes = JS::Attribute::Configurable | JS::Attribute::Enumerable | JS::Attribute::Writable;
put_native_function("getAttribute", get_attribute, 1, attributes);
put_native_function("setAttribute", set_attribute, 2, attributes);
define_native_function("getAttribute", get_attribute, 1, attributes);
define_native_function("setAttribute", set_attribute, 2, attributes);
}
ElementWrapper::~ElementWrapper()

2
Libraries/LibWeb/Bindings/EventTargetWrapper.cpp
View file

@ -42,7 +42,7 @@ EventTargetWrapper::EventTargetWrapper(EventTarget& impl)
: Wrapper(*interpreter().global_object().object_prototype())
, m_impl(impl)
{
put_native_function("addEventListener", add_event_listener, 2);
define_native_function("addEventListener", add_event_listener, 2);
}
EventTargetWrapper::~EventTargetWrapper()

6
Libraries/LibWeb/Bindings/HTMLCanvasElementWrapper.cpp
View file

@ -40,10 +40,10 @@ namespace Bindings {
HTMLCanvasElementWrapper::HTMLCanvasElementWrapper(HTMLCanvasElement& element)
: ElementWrapper(element)
{
put_native_function("getContext", get_context, 1);
define_native_function("getContext", get_context, 1);
put_native_property("width", width_getter, nullptr);
put_native_property("height", height_getter, nullptr);
define_native_property("width", width_getter, nullptr);
define_native_property("height", height_getter, nullptr);
}
HTMLCanvasElementWrapper::~HTMLCanvasElementWrapper()

6
Libraries/LibWeb/Bindings/ImageDataWrapper.cpp
View file

@ -44,9 +44,9 @@ ImageDataWrapper::ImageDataWrapper(ImageData& impl)
: Wrapper(*interpreter().global_object().object_prototype())
, m_impl(impl)
{
put_native_property("width", width_getter, nullptr);
put_native_property("height", height_getter, nullptr);
put_native_property("data", data_getter, nullptr);
define_native_property("width", width_getter, nullptr);
define_native_property("height", height_getter, nullptr);
define_native_property("data", data_getter, nullptr);
}
ImageDataWrapper::~ImageDataWrapper()

16
Libraries/LibWeb/Bindings/LocationObject.cpp
View file

@ -39,15 +39,15 @@ LocationObject::LocationObject()
: Object(interpreter().global_object().object_prototype())
{
u8 attr = JS::Attribute::Writable | JS::Attribute::Enumerable;
put_native_property("href", href_getter, href_setter, attr);
put_native_property("host", host_getter, nullptr, attr);
put_native_property("hostname", hostname_getter, nullptr, attr);
put_native_property("pathname", pathname_getter, nullptr, attr);
put_native_property("hash", hash_getter, nullptr, attr);
put_native_property("search", search_getter, nullptr, attr);
put_native_property("protocol", protocol_getter, nullptr, attr);
define_native_property("href", href_getter, href_setter, attr);
define_native_property("host", host_getter, nullptr, attr);
define_native_property("hostname", hostname_getter, nullptr, attr);
define_native_property("pathname", pathname_getter, nullptr, attr);
define_native_property("hash", hash_getter, nullptr, attr);
define_native_property("search", search_getter, nullptr, attr);
define_native_property("protocol", protocol_getter, nullptr, attr);
put_native_function("reload", reload, JS::Attribute::Enumerable);
define_native_function("reload", reload, JS::Attribute::Enumerable);
}
LocationObject::~LocationObject()

4
Libraries/LibWeb/Bindings/MouseEventWrapper.cpp
View file

@ -37,8 +37,8 @@ namespace Bindings {
MouseEventWrapper::MouseEventWrapper(MouseEvent& event)
: EventWrapper(event)
{
put_native_property("offsetX", offset_x_getter, nullptr);
put_native_property("offsetY", offset_y_getter, nullptr);
define_native_property("offsetX", offset_x_getter, nullptr);
define_native_property("offsetY", offset_y_getter, nullptr);
}
MouseEventWrapper::~MouseEventWrapper()

16
Libraries/LibWeb/Bindings/NavigatorObject.cpp
View file

@ -40,15 +40,15 @@ NavigatorObject::NavigatorObject()
auto* languages = JS::Array::create(interpreter().global_object());
languages->elements().append(js_string(heap(), "en-US"));
put("appCodeName", js_string(heap(), "Mozilla"));
put("appName", js_string(heap(), "Netscape"));
put("appVersion", js_string(heap(), "4.0"));
put("language", languages->elements().first());
put("languages", languages);
put("platform", js_string(heap(), "SerenityOS"));
put("product", js_string(heap(), "Gecko"));
define_property("appCodeName", js_string(heap(), "Mozilla"));
define_property("appName", js_string(heap(), "Netscape"));
define_property("appVersion", js_string(heap(), "4.0"));
define_property("language", languages->elements().first());
define_property("languages", languages);
define_property("platform", js_string(heap(), "SerenityOS"));
define_property("product", js_string(heap(), "Gecko"));
put_native_property("userAgent", user_agent_getter, nullptr);
define_native_property("userAgent", user_agent_getter, nullptr);
}
NavigatorObject::~NavigatorObject()

22
Libraries/LibWeb/Bindings/WindowObject.cpp
View file

@ -51,21 +51,21 @@ void WindowObject::initialize()
{
GlobalObject::initialize();
put("window", this, JS::Attribute::Enumerable);
put_native_property("document", document_getter, document_setter, JS::Attribute::Enumerable);
put_native_function("alert", alert);
put_native_function("confirm", confirm);
put_native_function("setInterval", set_interval, 1);
put_native_function("setTimeout", set_timeout, 1);
put_native_function("requestAnimationFrame", request_animation_frame, 1);
put_native_function("cancelAnimationFrame", cancel_animation_frame, 1);
define_property("window", this, JS::Attribute::Enumerable);
define_native_property("document", document_getter, document_setter, JS::Attribute::Enumerable);
define_native_function("alert", alert);
define_native_function("confirm", confirm);
define_native_function("setInterval", set_interval, 1);
define_native_function("setTimeout", set_timeout, 1);
define_native_function("requestAnimationFrame", request_animation_frame, 1);
define_native_function("cancelAnimationFrame", cancel_animation_frame, 1);
put("navigator", heap().allocate<NavigatorObject>(), JS::Attribute::Enumerable | JS::Attribute::Configurable);
put("location", heap().allocate<LocationObject>(), JS::Attribute::Enumerable | JS::Attribute::Configurable);
define_property("navigator", heap().allocate<NavigatorObject>(), JS::Attribute::Enumerable | JS::Attribute::Configurable);
define_property("location", heap().allocate<LocationObject>(), JS::Attribute::Enumerable | JS::Attribute::Configurable);
m_xhr_prototype = heap().allocate<XMLHttpRequestPrototype>();
m_xhr_constructor = heap().allocate<XMLHttpRequestConstructor>();
m_xhr_constructor->put("prototype", m_xhr_prototype, 0);
m_xhr_constructor->define_property("prototype", m_xhr_prototype, 0);
add_constructor("XMLHttpRequest", m_xhr_constructor, *m_xhr_prototype);
}

12
Libraries/LibWeb/Bindings/XMLHttpRequestConstructor.cpp
View file

@ -39,13 +39,13 @@ namespace Bindings {
XMLHttpRequestConstructor::XMLHttpRequestConstructor()
: NativeFunction(*interpreter().global_object().function_prototype())
{
put("length", JS::Value(1), JS::Attribute::Configurable);
define_property("length", JS::Value(1), JS::Attribute::Configurable);
put("UNSENT", JS::Value((i32)XMLHttpRequest::ReadyState::Unsent), JS::Attribute::Enumerable);
put("OPENED", JS::Value((i32)XMLHttpRequest::ReadyState::Opened), JS::Attribute::Enumerable);
put("HEADERS_RECEIVED", JS::Value((i32)XMLHttpRequest::ReadyState::HeadersReceived), JS::Attribute::Enumerable);
put("LOADING", JS::Value((i32)XMLHttpRequest::ReadyState::Loading), JS::Attribute::Enumerable);
put("DONE", JS::Value((i32)XMLHttpRequest::ReadyState::Done), JS::Attribute::Enumerable);
define_property("UNSENT", JS::Value((i32)XMLHttpRequest::ReadyState::Unsent), JS::Attribute::Enumerable);
define_property("OPENED", JS::Value((i32)XMLHttpRequest::ReadyState::Opened), JS::Attribute::Enumerable);
define_property("HEADERS_RECEIVED", JS::Value((i32)XMLHttpRequest::ReadyState::HeadersReceived), JS::Attribute::Enumerable);
define_property("LOADING", JS::Value((i32)XMLHttpRequest::ReadyState::Loading), JS::Attribute::Enumerable);
define_property("DONE", JS::Value((i32)XMLHttpRequest::ReadyState::Done), JS::Attribute::Enumerable);
}
XMLHttpRequestConstructor::~XMLHttpRequestConstructor()

18
Libraries/LibWeb/Bindings/XMLHttpRequestPrototype.cpp
View file

@ -38,16 +38,16 @@ namespace Bindings {
XMLHttpRequestPrototype::XMLHttpRequestPrototype()
: Object(interpreter().global_object().object_prototype())
{
put_native_function("open", open, 2);
put_native_function("send", send, 0);
put_native_property("readyState", ready_state_getter, nullptr, JS::Attribute::Enumerable | JS::Attribute::Configurable);
put_native_property("responseText", response_text_getter, nullptr, JS::Attribute::Enumerable | JS::Attribute::Configurable);
define_native_function("open", open, 2);
define_native_function("send", send, 0);
define_native_property("readyState", ready_state_getter, nullptr, JS::Attribute::Enumerable | JS::Attribute::Configurable);
define_native_property("responseText", response_text_getter, nullptr, JS::Attribute::Enumerable | JS::Attribute::Configurable);
put("UNSENT", JS::Value((i32)XMLHttpRequest::ReadyState::Unsent), JS::Attribute::Enumerable);
put("OPENED", JS::Value((i32)XMLHttpRequest::ReadyState::Opened), JS::Attribute::Enumerable);
put("HEADERS_RECEIVED", JS::Value((i32)XMLHttpRequest::ReadyState::HeadersReceived), JS::Attribute::Enumerable);
put("LOADING", JS::Value((i32)XMLHttpRequest::ReadyState::Loading), JS::Attribute::Enumerable);
put("DONE", JS::Value((i32)XMLHttpRequest::ReadyState::Done), JS::Attribute::Enumerable);
define_property("UNSENT", JS::Value((i32)XMLHttpRequest::ReadyState::Unsent), JS::Attribute::Enumerable);
define_property("OPENED", JS::Value((i32)XMLHttpRequest::ReadyState::Opened), JS::Attribute::Enumerable);
define_property("HEADERS_RECEIVED", JS::Value((i32)XMLHttpRequest::ReadyState::HeadersReceived), JS::Attribute::Enumerable);
define_property("LOADING", JS::Value((i32)XMLHttpRequest::ReadyState::Loading), JS::Attribute::Enumerable);
define_property("DONE", JS::Value((i32)XMLHttpRequest::ReadyState::Done), JS::Attribute::Enumerable);
}
XMLHttpRequestPrototype::~XMLHttpRequestPrototype()