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LibJS: Add the String.prototype.matchAll method
This is only the String.prototype side of matchAll, for full functionality Symbol.matchAll has to be implemented in our RegExp built-in object.
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3 changed files with 43 additions and 0 deletions
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@ -145,6 +145,7 @@
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M(RegExpObjectRepeatedFlag, "Repeated RegExp flag '{}'") \
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M(SpeciesConstructorDidNotCreate, "Species constructor did not create {}") \
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M(SpeciesConstructorReturned, "Species constructor returned {}") \
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M(StringMatchAllNonGlobalRegExp, "RegExp argument is non-global") \
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M(StringRawCannotConvert, "Cannot convert property 'raw' to object from {}") \
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M(StringRepeatCountMustBe, "repeat count must be a {} number") \
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M(ThisHasNotBeenInitialized, "|this| has not been initialized") \
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@ -79,6 +79,7 @@ void StringPrototype::initialize(GlobalObject& global_object)
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define_native_function(vm.names.lastIndexOf, last_index_of, 1, attr);
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define_native_function(vm.names.at, at, 1, attr);
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define_native_function(vm.names.match, match, 1, attr);
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define_native_function(vm.names.matchAll, match_all, 1, attr);
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define_native_function(vm.names.replace, replace, 2, attr);
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define_native_function(vm.names.anchor, anchor, 1, attr);
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define_native_function(vm.names.big, big, 0, attr);
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@ -711,6 +712,46 @@ JS_DEFINE_NATIVE_FUNCTION(StringPrototype::match)
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return rx->invoke(vm.well_known_symbol_match(), js_string(vm, s));
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}
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// 22.1.3.12 String.prototype.matchAll ( regexp ), https://tc39.es/ecma262/#sec-string.prototype.matchall
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JS_DEFINE_NATIVE_FUNCTION(StringPrototype::match_all)
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{
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auto this_object = require_object_coercible(global_object, vm.this_value(global_object));
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if (vm.exception())
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return {};
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auto regexp = vm.argument(0);
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if (!regexp.is_nullish()) {
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auto is_regexp = regexp.is_regexp(global_object);
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if (vm.exception())
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return {};
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if (is_regexp) {
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auto flags = regexp.as_object().get("flags").value_or(js_undefined());
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if (vm.exception())
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return {};
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auto flags_object = require_object_coercible(global_object, flags);
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if (vm.exception())
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return {};
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auto flags_string = flags_object.to_string(global_object);
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if (vm.exception())
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return {};
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if (!flags_string.contains("g")) {
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vm.throw_exception<TypeError>(global_object, ErrorType::StringMatchAllNonGlobalRegExp);
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return {};
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}
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}
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if (auto* matcher = get_method(global_object, regexp, vm.well_known_symbol_match_all()))
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return vm.call(*matcher, regexp, this_object);
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if (vm.exception())
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return {};
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}
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auto s = this_object.to_string(global_object);
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if (vm.exception())
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return {};
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auto rx = regexp_create(global_object, regexp, js_string(vm, "g"));
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if (!rx)
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return {};
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return rx->invoke(vm.well_known_symbol_match_all(), js_string(vm, s));
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}
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// 22.1.3.17 String.prototype.replace ( searchValue, replaceValue ), https://tc39.es/ecma262/#sec-string.prototype.replace
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JS_DEFINE_NATIVE_FUNCTION(StringPrototype::replace)
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{
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@ -44,6 +44,7 @@ private:
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JS_DECLARE_NATIVE_FUNCTION(last_index_of);
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JS_DECLARE_NATIVE_FUNCTION(at);
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JS_DECLARE_NATIVE_FUNCTION(match);
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JS_DECLARE_NATIVE_FUNCTION(match_all);
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JS_DECLARE_NATIVE_FUNCTION(replace);
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JS_DECLARE_NATIVE_FUNCTION(anchor);
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JS_DECLARE_NATIVE_FUNCTION(big);
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