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ladybird/Userland/Libraries/LibJS/Runtime/DateConstructor.h

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LibJS: Start implementing Date :^) This adds: - A global Date object (with `length` property and `now` function) - The Date constructor (no arguments yet) - The Date prototype (with `get*` functions)
2020-03-30 00:21:56 +01:00
/*
Everywhere: Use linusg@serenityos.org for my copyright headers
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* Copyright (c) 2020, Linus Groh <linusg@serenityos.org>
LibJS: Start implementing Date :^) This adds: - A global Date object (with `length` property and `now` function) - The Date constructor (no arguments yet) - The Date prototype (with `get*` functions)
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*
Everything: Move to SPDX license identifiers in all files. SPDX License Identifiers are a more compact / standardized way of representing file license information. See: https://spdx.dev/resources/use/#identifiers This was done with the `ambr` search and replace tool. ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
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* SPDX-License-Identifier: BSD-2-Clause
LibJS: Start implementing Date :^) This adds: - A global Date object (with `length` property and `now` function) - The Date constructor (no arguments yet) - The Date prototype (with `get*` functions)
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*/
#pragma once
#include <LibJS/Runtime/NativeFunction.h>
namespace JS {
class DateConstructor final : public NativeFunction {
LibJS+LibWeb: Add JS::Object::inherits(class_name) To allow implementing the DOM class hierarchy in JS bindings, this patch adds an inherits() function that can be used to ask an Object if it inherits from a specific C++ class (by name). The necessary overrides are baked into each Object subclass by the new JS_OBJECT macro, which works similarly to C_OBJECT in LibCore. Thanks to @Dexesttp for suggesting this approach. :^)
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JS_OBJECT(DateConstructor, NativeFunction);
LibJS: Start implementing Date :^) This adds: - A global Date object (with `length` property and `now` function) - The Date constructor (no arguments yet) - The Date prototype (with `get*` functions)
2020-03-30 00:21:56 +01:00
public:
LibJS: Move native objects towards two-pass construction To make sure that everything is set up correctly in objects before we start adding properties to them, we split cell allocation into 3 steps: 1. Allocate a cell of appropriate size from the Heap 2. Call the C++ constructor on the cell 3. Call initialize() on the constructed object The job of initialize() is to define all the initial properties. Doing it in a second pass guarantees that the Object has a valid Shape and can find its own GlobalObject.
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explicit DateConstructor(GlobalObject&);
LibJS: Simplify Cell::initialize() Remove the Interpreter& argument and pass only GlobalObject&. We can find everything we need via the global object anyway.
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virtual void initialize(GlobalObject&) override;
LibJS: Start implementing Date :^) This adds: - A global Date object (with `length` property and `now` function) - The Date constructor (no arguments yet) - The Date prototype (with `get*` functions)
2020-03-30 00:21:56 +01:00
virtual ~DateConstructor() override;
LibJS: Make Function::call() not require an Interpreter& This makes a difference inside ScriptFunction::call(), which will now instantiate a temporary Interpreter if one is not attached to the VM.
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virtual Value call() override;
LibJS: Rename Function => FunctionObject
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virtual Value construct(FunctionObject& new_target) override;
LibJS: Start implementing Date :^) This adds: - A global Date object (with `length` property and `now` function) - The Date constructor (no arguments yet) - The Date prototype (with `get*` functions)
2020-03-30 00:21:56 +01:00
private:
LibJS: Implement constructor/non-constructor function calls This adds Function::construct() for constructor function calls via `new` keyword. NativeFunction doesn't have constructor behaviour by default, ScriptFunction simply calls call() in construct()
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virtual bool has_constructor() const override { return true; }
LibJS: Start implementing Date :^) This adds: - A global Date object (with `length` property and `now` function) - The Date constructor (no arguments yet) - The Date prototype (with `get*` functions)
2020-03-30 00:21:56 +01:00
LibJS: Pass GlobalObject& to native functions and property accessors More work towards supporting multiple global objects. Native C++ code now get a GlobalObject& and don't have to ask the Interpreter for it. I've added macros for declaring and defining native callbacks since this was pretty tedious and this makes it easier next time we want to change any of these signatures.
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JS_DECLARE_NATIVE_FUNCTION(now);
LibJS: Implement Date.parse() The spec says Date.parse() should accept at least a simplified form of ISO 8601, so that's all this implements.
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JS_DECLARE_NATIVE_FUNCTION(parse);
LibJS: Implement Date.UTC()
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JS_DECLARE_NATIVE_FUNCTION(utc);
LibJS: Start implementing Date :^) This adds: - A global Date object (with `length` property and `now` function) - The Date constructor (no arguments yet) - The Date prototype (with `get*` functions)
2020-03-30 00:21:56 +01:00
};
}
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