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LibJS: Implement RegExp legacy static properties

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RegExp legacy static properties Spec url is https://github.com/tc39/proposal-regexp-legacy-features
This commit is contained in:
leeight 2022-10-17 08:59:27 +08:00 • committed by Linus Groh
parent 5e2fe7e2bf
commit 0d96468e9b
12 changed files with 726 additions and 9 deletions
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156
Userland/Libraries/LibJS/Runtime/RegExpConstructor.cpp
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@ -8,6 +8,7 @@
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/RegExpConstructor.h>
#include <LibJS/Runtime/RegExpObject.h>
#include <LibJS/Runtime/Value.h>
namespace JS {
@ -27,6 +28,27 @@ void RegExpConstructor::initialize(Realm& realm)
define_native_accessor(realm, *vm.well_known_symbol_species(), symbol_species_getter, {}, Attribute::Configurable);
define_direct_property(vm.names.length, Value(2), Attribute::Configurable);
// Additional properties of the RegExp constructor, https://github.com/tc39/proposal-regexp-legacy-features#additional-properties-of-the-regexp-constructor
define_native_accessor(realm, vm.names.input, input_getter, input_setter, Attribute::Configurable);
define_native_accessor(realm, vm.names.inputAlias, input_alias_getter, input_alias_setter, Attribute::Configurable);
define_native_accessor(realm, vm.names.lastMatch, last_match_getter, {}, Attribute::Configurable);
define_native_accessor(realm, vm.names.lastMatchAlias, last_match_alias_getter, {}, Attribute::Configurable);
define_native_accessor(realm, vm.names.lastParen, last_paren_getter, {}, Attribute::Configurable);
define_native_accessor(realm, vm.names.lastParenAlias, last_paren_alias_getter, {}, Attribute::Configurable);
define_native_accessor(realm, vm.names.leftContext, left_context_getter, {}, Attribute::Configurable);
define_native_accessor(realm, vm.names.leftContextAlias, left_context_alias_getter, {}, Attribute::Configurable);
define_native_accessor(realm, vm.names.rightContext, right_context_getter, {}, Attribute::Configurable);
define_native_accessor(realm, vm.names.rightContextAlias, right_context_alias_getter, {}, Attribute::Configurable);
define_native_accessor(realm, vm.names.$1, group_1_getter, {}, Attribute::Configurable);
define_native_accessor(realm, vm.names.$2, group_2_getter, {}, Attribute::Configurable);
define_native_accessor(realm, vm.names.$3, group_3_getter, {}, Attribute::Configurable);
define_native_accessor(realm, vm.names.$4, group_4_getter, {}, Attribute::Configurable);
define_native_accessor(realm, vm.names.$5, group_5_getter, {}, Attribute::Configurable);
define_native_accessor(realm, vm.names.$6, group_6_getter, {}, Attribute::Configurable);
define_native_accessor(realm, vm.names.$7, group_7_getter, {}, Attribute::Configurable);
define_native_accessor(realm, vm.names.$8, group_8_getter, {}, Attribute::Configurable);
define_native_accessor(realm, vm.names.$9, group_9_getter, {}, Attribute::Configurable);
}
// 22.2.3.1 RegExp ( pattern, flags ), https://tc39.es/ecma262/#sec-regexp-pattern-flags
@ -125,4 +147,138 @@ JS_DEFINE_NATIVE_FUNCTION(RegExpConstructor::symbol_species_getter)
return vm.this_value();
}
// get RegExp.input, https://github.com/tc39/proposal-regexp-legacy-features#get-regexpinput
JS_DEFINE_NATIVE_FUNCTION(RegExpConstructor::input_getter)
{
auto* regexp_constructor = vm.current_realm()->intrinsics().regexp_constructor();
// 1. Return ? GetLegacyRegExpStaticProperty(%RegExp%, this value, [[RegExpInput]]).
auto property_getter = &RegExpLegacyStaticProperties::input;
return TRY(get_legacy_regexp_static_property(vm, *regexp_constructor, vm.this_value(), property_getter));
}
// get RegExp.$_, https://github.com/tc39/proposal-regexp-legacy-features#get-regexp_
JS_DEFINE_NATIVE_FUNCTION(RegExpConstructor::input_alias_getter)
{
// Keep the same implementation with `get RegExp.input`
return input_getter(vm);
}
// set RegExp.input, https://github.com/tc39/proposal-regexp-legacy-features#set-regexpinput--val
JS_DEFINE_NATIVE_FUNCTION(RegExpConstructor::input_setter)
{
auto* regexp_constructor = vm.current_realm()->intrinsics().regexp_constructor();
// 1. Perform ? SetLegacyRegExpStaticProperty(%RegExp%, this value, [[RegExpInput]], val).
auto property_setter = &RegExpLegacyStaticProperties::set_input;
TRY(set_legacy_regexp_static_property(vm, *regexp_constructor, vm.this_value(), property_setter, vm.argument(0)));
return js_undefined();
}
// set RegExp.$_, https://github.com/tc39/proposal-regexp-legacy-features#set-regexp_---val
JS_DEFINE_NATIVE_FUNCTION(RegExpConstructor::input_alias_setter)
{
// Keep the same implementation with `set RegExp.input`
return input_setter(vm);
}
// get RegExp.lastMatch, https://github.com/tc39/proposal-regexp-legacy-features#get-regexplastmatch
JS_DEFINE_NATIVE_FUNCTION(RegExpConstructor::last_match_getter)
{
auto* regexp_constructor = vm.current_realm()->intrinsics().regexp_constructor();
// 1. Return ? GetLegacyRegExpStaticProperty(%RegExp%, this value, [[RegExpLastMatch]]).
auto property_getter = &RegExpLegacyStaticProperties::last_match;
return TRY(get_legacy_regexp_static_property(vm, *regexp_constructor, vm.this_value(), property_getter));
}
// get RegExp.$&, https://github.com/tc39/proposal-regexp-legacy-features#get-regexp
JS_DEFINE_NATIVE_FUNCTION(RegExpConstructor::last_match_alias_getter)
{
// Keep the same implementation with `get RegExp.lastMatch`
return last_match_getter(vm);
}
// get RegExp.lastParen, https://github.com/tc39/proposal-regexp-legacy-features#get-regexplastparen
JS_DEFINE_NATIVE_FUNCTION(RegExpConstructor::last_paren_getter)
{
auto* regexp_constructor = vm.current_realm()->intrinsics().regexp_constructor();
// 1. Return ? GetLegacyRegExpStaticProperty(%RegExp%, this value, [[RegExpLastParen]]).
auto property_getter = &RegExpLegacyStaticProperties::last_paren;
return TRY(get_legacy_regexp_static_property(vm, *regexp_constructor, vm.this_value(), property_getter));
}
// get RegExp.$+, https://github.com/tc39/proposal-regexp-legacy-features#get-regexp-1
JS_DEFINE_NATIVE_FUNCTION(RegExpConstructor::last_paren_alias_getter)
{
// Keep the same implementation with `get RegExp.lastParen`
return last_paren_getter(vm);
}
// get RegExp.leftContext, https://github.com/tc39/proposal-regexp-legacy-features#get-regexpleftcontext
JS_DEFINE_NATIVE_FUNCTION(RegExpConstructor::left_context_getter)
{
auto* regexp_constructor = vm.current_realm()->intrinsics().regexp_constructor();
// 1. Return ? GetLegacyRegExpStaticProperty(%RegExp%, this value, [[RegExpLeftContext]]).
auto property_getter = &RegExpLegacyStaticProperties::left_context;
return TRY(get_legacy_regexp_static_property(vm, *regexp_constructor, vm.this_value(), property_getter));
}
// get RegExp.$`, https://github.com/tc39/proposal-regexp-legacy-features#get-regexp-2
JS_DEFINE_NATIVE_FUNCTION(RegExpConstructor::left_context_alias_getter)
{
// Keep the same implementation with `get RegExp.leftContext`
return left_context_getter(vm);
}
// get RegExp.rightContext, https://github.com/tc39/proposal-regexp-legacy-features#get-regexprightcontext
JS_DEFINE_NATIVE_FUNCTION(RegExpConstructor::right_context_getter)
{
auto* regexp_constructor = vm.current_realm()->intrinsics().regexp_constructor();
// 1. Return ? GetLegacyRegExpStaticProperty(%RegExp%, this value, [[RegExpRightContext]]).
auto property_getter = &RegExpLegacyStaticProperties::right_context;
return TRY(get_legacy_regexp_static_property(vm, *regexp_constructor, vm.this_value(), property_getter));
}
// get RegExp.$', https://github.com/tc39/proposal-regexp-legacy-features#get-regexp-3
JS_DEFINE_NATIVE_FUNCTION(RegExpConstructor::right_context_alias_getter)
{
// Keep the same implementation with `get RegExp.rightContext`
return right_context_getter(vm);
}
#define DEFINE_REGEXP_GROUP_GETTER(n) \
JS_DEFINE_NATIVE_FUNCTION(RegExpConstructor::group_##n##_getter) \
{ \
auto* regexp_constructor = vm.current_realm()->intrinsics().regexp_constructor(); \
\
/* 1. Return ? GetLegacyRegExpStaticProperty(%RegExp%, this value, [[RegExpParen##n##]]).*/ \
auto property_getter = &RegExpLegacyStaticProperties::$##n; \
return TRY(get_legacy_regexp_static_property(vm, *regexp_constructor, vm.this_value(), property_getter)); \
}
// get RegExp.$1, https://github.com/tc39/proposal-regexp-legacy-features#get-regexp1
DEFINE_REGEXP_GROUP_GETTER(1);
// get RegExp.$2, https://github.com/tc39/proposal-regexp-legacy-features#get-regexp2
DEFINE_REGEXP_GROUP_GETTER(2);
// get RegExp.$3, https://github.com/tc39/proposal-regexp-legacy-features#get-regexp3
DEFINE_REGEXP_GROUP_GETTER(3);
// get RegExp.$4, https://github.com/tc39/proposal-regexp-legacy-features#get-regexp4
DEFINE_REGEXP_GROUP_GETTER(4);
// get RegExp.$5, https://github.com/tc39/proposal-regexp-legacy-features#get-regexp5
DEFINE_REGEXP_GROUP_GETTER(5);
// get RegExp.$6, https://github.com/tc39/proposal-regexp-legacy-features#get-regexp6
DEFINE_REGEXP_GROUP_GETTER(6);
// get RegExp.$7, https://github.com/tc39/proposal-regexp-legacy-features#get-regexp7
DEFINE_REGEXP_GROUP_GETTER(7);
// get RegExp.$8, https://github.com/tc39/proposal-regexp-legacy-features#get-regexp8
DEFINE_REGEXP_GROUP_GETTER(8);
// get RegExp.$9, https://github.com/tc39/proposal-regexp-legacy-features#get-regexp9
DEFINE_REGEXP_GROUP_GETTER(9);
#undef DEFINE_REGEXP_GROUP_GETTER
}