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LibJS: Parse the RegExp.prototype.hasIndices flag

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Timothy Flynn 2021-07-09 16:10:17 -04:00 • committed by Linus Groh
parent e801cc7afd
commit d1e06b00e3
6 changed files with 12 additions and 3 deletions
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1
Userland/Libraries/LibJS/Runtime/CommonPropertyNames.h
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@ -188,6 +188,7 @@ namespace JS {
P(globalThis) \
P(groups) \
P(has) \
P(hasIndices) \
P(hasOwn) \
P(hasOwnProperty) \
P(hypot) \

7
Userland/Libraries/LibJS/Runtime/RegExpObject.cpp
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@ -16,7 +16,7 @@ namespace JS {
static Flags options_from(GlobalObject& global_object, const String& flags)
{
auto& vm = global_object.vm();
bool g = false, i = false, m = false, s = false, u = false, y = false;
bool d = false, g = false, i = false, m = false, s = false, u = false, y = false;
Flags options {
// JS regexps are all 'global' by default as per our definition, but the "global" flag enables "stateful".
// FIXME: Enable 'BrowserExtended' only if in a browser context.
@ -26,6 +26,11 @@ static Flags options_from(GlobalObject& global_object, const String& flags)
for (auto ch : flags) {
switch (ch) {
case 'd':
if (d)
vm.throw_exception<SyntaxError>(global_object, ErrorType::RegExpObjectRepeatedFlag, ch);
d = true;
break;
case 'g':
if (g)
vm.throw_exception<SyntaxError>(global_object, ErrorType::RegExpObjectRepeatedFlag, ch);

1
Userland/Libraries/LibJS/Runtime/RegExpPrototype.cpp
View file

@ -224,6 +224,7 @@ static Value regexp_exec(GlobalObject& global_object, Object& regexp_object, Str
return regexp_builtin_exec(global_object, static_cast<RegExpObject&>(regexp_object), string);
}
// 1.1.4.3 get RegExp.prototype.hasIndices, https://tc39.es/proposal-regexp-match-indices/#sec-get-regexp.prototype.hasIndices
// 22.2.5.3 get RegExp.prototype.dotAll, https://tc39.es/ecma262/#sec-get-regexp.prototype.dotAll
// 22.2.5.5 get RegExp.prototype.global, https://tc39.es/ecma262/#sec-get-regexp.prototype.global
// 22.2.5.6 get RegExp.prototype.ignoreCase, https://tc39.es/ecma262/#sec-get-regexp.prototype.ignorecase