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CppLexer: Support \U escapes in addition to \u escapes

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This commit is contained in:
Nico Weber 2020-07-26 21:06:44 -04:00 • committed by Andreas Kling
parent 58308748cb
commit c1b7fd644c
1 changed files with 5 additions and 3 deletions
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8
Libraries/LibGUI/CppLexer.cpp
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@ -294,15 +294,17 @@ Vector<CppToken> CppLexer::lex()
}
return 2 + hex_digits;
}
case 'u': {
case 'u':
case 'U': {
bool is_unicode = true;
for (size_t i = 0; i < 4; ++i) {
size_t number_of_digits = peek(1) == 'u' ? 4 : 8;
for (size_t i = 0; i < number_of_digits; ++i) {
if (!isxdigit(peek(2 + i))) {
is_unicode = false;
break;
}
}
return is_unicode ? 6 : 0;
return is_unicode ? 2 + number_of_digits : 0;
}
default:
return 0;