[NETBEANS-5599] PHP 8.1 Support: Enumerations

[junichi11]

• https://issues.apache.org/jira/browse/NETBEANS-5599
• https://wiki.php.net/rfc/enumerations

Part 1:

• Fix the parser, the lexer, and PHP81UnhandledError

PHP 8.1:

PHP 8.0:

Part 2:

• Fix the indexer
• Add elements for an enum and an enum case

Part 3:

• Fix the Navigator

enum UserStatus: string {

    case Pending = 'P';
    case Active = 'A';
    case Suspended = 'S';
    case CanceledByUser = 'C';

    public function label(): string {
        return match ($this) {
            static::Pending => 'Pending',
            static::Active => 'Active',
            static::Suspended => 'Suspended',
            static::CanceledByUser => 'Canceled by user',
        };
    }
}

Part 4:

• Fix the SemanticAnalysis and the PHPBracesMatcher
• Add unit tests for the SemanticAnalysis, the FoldingScanner, and the PHPBrace Matcher

Part 5:

• Fix the parser (e.g. Name::CASE1->method(), $i::CASE1->method(), Name:::CASE1::staicMethod(), Name::CASE1::CONSTANT)

Part 6:

• Fix the formatter

NOTE:

CC, GotoDeclaration, MarkOccurrences, Hints etc. are not fixed yet.

[junichi11]

@tmysik Could you please have a look at this when you have time? Sorry for the huge changes...
I've added unit tests as much as possible. If there is no problem, let's merge it. Thanks!

[tmysik]

Really nice (and huge, of course :) patch! Thanks for it!

[tmysik]

@junichi11 My only comment - it would be nice to have a different icon for enum, but I can imagine that there is nobody who could draw it...

[junichi11]

@tmysik Thank you for your review!

My only comment - it would be nice to have a different icon for enum, but I can imagine that there is nobody who could draw it...

Yes, I think so.
I've copied the enum icon from CSL in this change, but the icon of enum cases is the same as const...

class ExampleClass {
    const CONSTANT = 1;
}

enum ExampleEnum: string {
    case ENUM_CASE = "";
    const CONSTANT = 1;
}

[tmysik]

@junichi11 Exactly...