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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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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);