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LibRegex: Partially implement the ECMAScript unicodeSets proposal

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This skips the new string unicode properties additions, along with \q{}.
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Ali Mohammad Pur 2022-07-20 23:22:07 +04:30 • committed by Linus Groh
parent 7734914909
commit 598dc74a76
9 changed files with 611 additions and 69 deletions
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39
Userland/Libraries/LibRegex/RegexError.h
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@ -18,24 +18,25 @@ namespace regex {
enum class Error : u8 {
NoError = __Regex_NoError,
InvalidPattern = __Regex_InvalidPattern, // Invalid regular expression.
InvalidCollationElement = __Regex_InvalidCollationElement, // Invalid collating element referenced.
InvalidCharacterClass = __Regex_InvalidCharacterClass, // Invalid character class type referenced.
InvalidTrailingEscape = __Regex_InvalidTrailingEscape, // Trailing \ in pattern.
InvalidNumber = __Regex_InvalidNumber, // Number in \digit invalid or in error.
MismatchingBracket = __Regex_MismatchingBracket, // [ ] imbalance.
MismatchingParen = __Regex_MismatchingParen, // ( ) imbalance.
MismatchingBrace = __Regex_MismatchingBrace, // { } imbalance.
InvalidBraceContent = __Regex_InvalidBraceContent, // Content of {} invalid: not a number, number too large, more than two numbers, first larger than second.
InvalidBracketContent = __Regex_InvalidBracketContent, // Content of [] invalid.
InvalidRange = __Regex_InvalidRange, // Invalid endpoint in range expression.
InvalidRepetitionMarker = __Regex_InvalidRepetitionMarker, // ?, * or + not preceded by valid regular expression.
ReachedMaxRecursion = __Regex_ReachedMaxRecursion, // MaximumRecursion has been reached.
EmptySubExpression = __Regex_EmptySubExpression, // Sub expression has empty content.
InvalidCaptureGroup = __Regex_InvalidCaptureGroup, // Content of capture group is invalid.
InvalidNameForCaptureGroup = __Regex_InvalidNameForCaptureGroup, // Name of capture group is invalid.
InvalidNameForProperty = __Regex_InvalidNameForProperty, // Name of property is invalid.
DuplicateNamedCapture = __Regex_DuplicateNamedCapture, // Name of property is invalid.
InvalidPattern = __Regex_InvalidPattern, // Invalid regular expression.
InvalidCollationElement = __Regex_InvalidCollationElement, // Invalid collating element referenced.
InvalidCharacterClass = __Regex_InvalidCharacterClass, // Invalid character class type referenced.
InvalidTrailingEscape = __Regex_InvalidTrailingEscape, // Trailing \ in pattern.
InvalidNumber = __Regex_InvalidNumber, // Number in \digit invalid or in error.
MismatchingBracket = __Regex_MismatchingBracket, // [ ] imbalance.
MismatchingParen = __Regex_MismatchingParen, // ( ) imbalance.
MismatchingBrace = __Regex_MismatchingBrace, // { } imbalance.
InvalidBraceContent = __Regex_InvalidBraceContent, // Content of {} invalid: not a number, number too large, more than two numbers, first larger than second.
InvalidBracketContent = __Regex_InvalidBracketContent, // Content of [] invalid.
InvalidRange = __Regex_InvalidRange, // Invalid endpoint in range expression.
InvalidRepetitionMarker = __Regex_InvalidRepetitionMarker, // ?, * or + not preceded by valid regular expression.
ReachedMaxRecursion = __Regex_ReachedMaxRecursion, // MaximumRecursion has been reached.
EmptySubExpression = __Regex_EmptySubExpression, // Sub expression has empty content.
InvalidCaptureGroup = __Regex_InvalidCaptureGroup, // Content of capture group is invalid.
InvalidNameForCaptureGroup = __Regex_InvalidNameForCaptureGroup, // Name of capture group is invalid.
InvalidNameForProperty = __Regex_InvalidNameForProperty, // Name of property is invalid.
DuplicateNamedCapture = __Regex_DuplicateNamedCapture, // Name of property is invalid.
InvalidCharacterClassEscape = __Regex_InvalidCharacterClassEscape, // Invalid escaped entity in character class.
};
inline String get_error_string(Error error)
@ -79,6 +80,8 @@ inline String get_error_string(Error error)
return "Name of property is invalid.";
case Error::DuplicateNamedCapture:
return "Duplicate capture group name";
case Error::InvalidCharacterClassEscape:
return "Invalid escaped entity in character class.";
}
return "Undefined error.";
}