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LibJS: Implement RegExp.prototype [ @@replace ] with UTF-16 code units

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This also converts the GetSubstitution abstract operation take its input
strings as UTF-16 now that all callers are UTF-16 capable. This means
String.prototype.replace (and replaceAll) no longer needs UTF-8 and
UTF-16 copies of these strings.
This commit is contained in:
Timothy Flynn 2021-07-22 10:38:10 -04:00 • committed by Linus Groh
parent ee7b04f7bb
commit 5a8f870594
6 changed files with 67 additions and 71 deletions
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Userland/Libraries/LibJS/Runtime/AbstractOperations.h
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@ -30,7 +30,7 @@ Object* get_prototype_from_constructor(GlobalObject&, FunctionObject const& cons
Object* create_unmapped_arguments_object(GlobalObject&, Vector<Value> const& arguments);
Object* create_mapped_arguments_object(GlobalObject&, FunctionObject&, Vector<FunctionNode::Parameter> const&, Vector<Value> const& arguments, Environment&);
Value canonical_numeric_index_string(GlobalObject&, PropertyName const&);
String get_substitution(GlobalObject&, String const& matched, String const& str, size_t position, Vector<Value> const& captures, Value named_captures, Value replacement);
String get_substitution(GlobalObject&, Utf16View const& matched, Utf16View const& str, size_t position, Vector<Value> const& captures, Value named_captures, Value replacement);
enum class CallerMode {
Strict,