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ladybird/Libraries/LibJS/Runtime/RegExpConstructor.h

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LibJS: Lex and parse regex literals, add RegExp objects This adds regex parsing/lexing, as well as a relatively empty RegExpObject. The purpose of this patch is to allow the engine to not get hung up on parsing regexes. This will aid in finding new syntax errors (say, from google or twitter) without having to replace all of their regexes first!
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/*
Userland: Use mattco@serenityos.org for my copyright headers
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* Copyright (c) 2020, Matthew Olsson <mattco@serenityos.org>
LibJS: Lex and parse regex literals, add RegExp objects This adds regex parsing/lexing, as well as a relatively empty RegExpObject. The purpose of this patch is to allow the engine to not get hung up on parsing regexes. This will aid in finding new syntax errors (say, from google or twitter) without having to replace all of their regexes first!
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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: Lex and parse regex literals, add RegExp objects This adds regex parsing/lexing, as well as a relatively empty RegExpObject. The purpose of this patch is to allow the engine to not get hung up on parsing regexes. This will aid in finding new syntax errors (say, from google or twitter) without having to replace all of their regexes first!
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*/
#pragma once
#include <LibJS/Runtime/NativeFunction.h>
LibJS: Implement RegExp legacy static properties RegExp legacy static properties Spec url is https://github.com/tc39/proposal-regexp-legacy-features
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#include <LibJS/Runtime/RegExpLegacyStaticProperties.h>
LibJS: Lex and parse regex literals, add RegExp objects This adds regex parsing/lexing, as well as a relatively empty RegExpObject. The purpose of this patch is to allow the engine to not get hung up on parsing regexes. This will aid in finding new syntax errors (say, from google or twitter) without having to replace all of their regexes first!
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namespace JS {
class RegExpConstructor 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(RegExpConstructor, NativeFunction);
LibGC+Everywhere: Factor out a LibGC from LibJS Resulting in a massive rename across almost everywhere! Alongside the namespace change, we now have the following names: * JS::NonnullGCPtr -> GC::Ref * JS::GCPtr -> GC::Ptr * JS::HeapFunction -> GC::Function * JS::CellImpl -> GC::Cell * JS::Handle -> GC::Root
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GC_DECLARE_ALLOCATOR(RegExpConstructor);
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. :^)
2020-06-21 13:14:02 +00:00
LibJS: Lex and parse regex literals, add RegExp objects This adds regex parsing/lexing, as well as a relatively empty RegExpObject. The purpose of this patch is to allow the engine to not get hung up on parsing regexes. This will aid in finding new syntax errors (say, from google or twitter) without having to replace all of their regexes first!
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public:
LibJS: Make Cell::initialize() return void Stop worrying about tiny OOMs. Work towards #20405
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virtual void initialize(Realm&) override;
Libraries: Use default constructors/destructors in LibJS https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
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virtual ~RegExpConstructor() override = default;
LibJS: Lex and parse regex literals, add RegExp objects This adds regex parsing/lexing, as well as a relatively empty RegExpObject. The purpose of this patch is to allow the engine to not get hung up on parsing regexes. This will aid in finding new syntax errors (say, from google or twitter) without having to replace all of their regexes first!
2020-06-03 23:05:49 +00:00
LibJS: Convert NativeFunction::{call,construct}() to ThrowCompletionOr Both at the same time because many of them call construct() in call() and I'm not keen on adding a bunch of temporary plumbing to turn exceptions into throw completions. Also changes the return value of construct() to Object* instead of Value as it always needs to return an object; allowing an arbitrary Value is a massive foot gun.
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virtual ThrowCompletionOr<Value> call() override;
LibGC+Everywhere: Factor out a LibGC from LibJS Resulting in a massive rename across almost everywhere! Alongside the namespace change, we now have the following names: * JS::NonnullGCPtr -> GC::Ref * JS::GCPtr -> GC::Ptr * JS::HeapFunction -> GC::Function * JS::CellImpl -> GC::Cell * JS::Handle -> GC::Root
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virtual ThrowCompletionOr<GC::Ref<Object>> construct(FunctionObject& new_target) override;
LibJS: Lex and parse regex literals, add RegExp objects This adds regex parsing/lexing, as well as a relatively empty RegExpObject. The purpose of this patch is to allow the engine to not get hung up on parsing regexes. This will aid in finding new syntax errors (say, from google or twitter) without having to replace all of their regexes first!
2020-06-03 23:05:49 +00:00
LibJS: Implement RegExp legacy static properties RegExp legacy static properties Spec url is https://github.com/tc39/proposal-regexp-legacy-features
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RegExpLegacyStaticProperties& legacy_static_properties() { return m_legacy_static_properties; }
LibJS: Lex and parse regex literals, add RegExp objects This adds regex parsing/lexing, as well as a relatively empty RegExpObject. The purpose of this patch is to allow the engine to not get hung up on parsing regexes. This will aid in finding new syntax errors (say, from google or twitter) without having to replace all of their regexes first!
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private:
LibJS: Hide all the constructors! Now that the GC allocator is able to invoke Cell subclass constructors directly via friendship, we no longer need to keep them public. :^)
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explicit RegExpConstructor(Realm&);
LibJS: Lex and parse regex literals, add RegExp objects This adds regex parsing/lexing, as well as a relatively empty RegExpObject. The purpose of this patch is to allow the engine to not get hung up on parsing regexes. This will aid in finding new syntax errors (say, from google or twitter) without having to replace all of their regexes first!
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virtual bool has_constructor() const override { return true; }
LibJS: Add the Symbol.species getter to the appropriate built-ins
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LibJS: Convert RegExpConstructor functions to ThrowCompletionOr
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JS_DECLARE_NATIVE_FUNCTION(symbol_species_getter);
LibJS: Implement RegExp legacy static properties RegExp legacy static properties Spec url is https://github.com/tc39/proposal-regexp-legacy-features
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JS_DECLARE_NATIVE_FUNCTION(input_getter);
JS_DECLARE_NATIVE_FUNCTION(input_alias_getter);
JS_DECLARE_NATIVE_FUNCTION(input_setter);
JS_DECLARE_NATIVE_FUNCTION(input_alias_setter);
JS_DECLARE_NATIVE_FUNCTION(last_match_getter);
JS_DECLARE_NATIVE_FUNCTION(last_match_alias_getter);
JS_DECLARE_NATIVE_FUNCTION(last_paren_getter);
JS_DECLARE_NATIVE_FUNCTION(last_paren_alias_getter);
JS_DECLARE_NATIVE_FUNCTION(left_context_getter);
JS_DECLARE_NATIVE_FUNCTION(left_context_alias_getter);
JS_DECLARE_NATIVE_FUNCTION(right_context_getter);
JS_DECLARE_NATIVE_FUNCTION(right_context_alias_getter);
JS_DECLARE_NATIVE_FUNCTION(group_1_getter);
JS_DECLARE_NATIVE_FUNCTION(group_2_getter);
JS_DECLARE_NATIVE_FUNCTION(group_3_getter);
JS_DECLARE_NATIVE_FUNCTION(group_4_getter);
JS_DECLARE_NATIVE_FUNCTION(group_5_getter);
JS_DECLARE_NATIVE_FUNCTION(group_6_getter);
JS_DECLARE_NATIVE_FUNCTION(group_7_getter);
JS_DECLARE_NATIVE_FUNCTION(group_8_getter);
JS_DECLARE_NATIVE_FUNCTION(group_9_getter);
RegExpLegacyStaticProperties m_legacy_static_properties;
LibJS: Lex and parse regex literals, add RegExp objects This adds regex parsing/lexing, as well as a relatively empty RegExpObject. The purpose of this patch is to allow the engine to not get hung up on parsing regexes. This will aid in finding new syntax errors (say, from google or twitter) without having to replace all of their regexes first!
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};
}
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