function Parser::parseIdentifier

Parses an identifier

Parameters

int $mode Parsing mode, one of the id parsing mode: constants

string $after If a string is passed in this parameter, the: identifier is parsed only if precedes this string

Return value

Node\Identifier|null

22 calls to Parser::parseIdentifier()

Parser::parseArrowParameters in vendor/mck89/peast/lib/Peast/Syntax/Parser.php

Parses parameters in an arrow function. If the parameters are wrapped in round brackets, the returned value is an array where the first element is the parameters list and the second element is the open round brackets, this is needed to know the start…

Parser::parseBindingRestElement in vendor/mck89/peast/lib/Peast/Syntax/Parser.php

Parses a rest element

Parser::parseBreakStatement in vendor/mck89/peast/lib/Peast/Syntax/Parser.php

Parses a break statement

Parser::parseCatchParameter in vendor/mck89/peast/lib/Peast/Syntax/Parser.php

Parses the catch parameter of a catch block in a try-catch statement

Parser::parseClassDeclaration in vendor/mck89/peast/lib/Peast/Syntax/Parser.php

Parses a class declaration

... See full list

File

vendor/mck89/peast/lib/Peast/Syntax/Parser.php, line 3753

Class

Parser

Parser class

Namespace

Peast\Syntax

Code

protected function parseIdentifier($mode, $after = null) {
    $token = $this->scanner
        ->getToken();
    if (!$token) {
        return null;
    }
    if ($after !== null) {
        $next = $this->scanner
            ->getNextToken();
        if (!$next || $next->value !== $after) {
            return null;
        }
    }
    $type = $token->type;
    switch ($type) {
        case Token::TYPE_BOOLEAN_LITERAL:
        case Token::TYPE_NULL_LITERAL:
            if ($mode !== self::ID_ALLOW_ALL) {
                return null;
            }
            break;
        case Token::TYPE_KEYWORD:
            if ($mode === self::ID_ALLOW_NOTHING) {
                return null;
            }
            elseif ($mode === self::ID_MIXED && $this->scanner
                ->isStrictModeKeyword($token)) {
                return null;
            }
            break;
        default:
            if ($type !== Token::TYPE_IDENTIFIER) {
                return null;
            }
            break;
    }
    
    //Exclude keywords that depend on parser context
    $value = $token->value;
    if ($mode === self::ID_MIXED && isset($this->contextKeywords[$value]) && $this->context->{$this->contextKeywords[$value]}) {
        return null;
    }
    $this->scanner
        ->consumeToken();
    $node = $this->createNode("Identifier", $token);
    $node->setRawName($value);
    return $this->completeNode($node);
}