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