function Parser::parseArrayBindingPattern

Parses an array binding pattern

Return value

Node\ArrayPattern|null

1 call to Parser::parseArrayBindingPattern()

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

Parses a binding pattern

File

vendor/mck89/peast/lib/Peast/Syntax/Parser.php, line 2388

Class

Parser

Parser class

Namespace

Peast\Syntax

Code

protected function parseArrayBindingPattern() {
    if ($token = $this->scanner
        ->consume("[")) {
        $elements = array();
        while (true) {
            if ($elision = $this->parseElision()) {
                $elements = array_merge($elements, array_fill(0, $elision, null));
            }
            if ($element = $this->parseBindingElement()) {
                $elements[] = $element;
                if (!$this->scanner
                    ->consume(",")) {
                    break;
                }
            }
            elseif ($rest = $this->parseBindingRestElement()) {
                $elements[] = $rest;
                break;
            }
            else {
                break;
            }
        }
        if ($this->scanner
            ->consume("]")) {
            $node = $this->createNode("ArrayPattern", $token);
            $node->setElements($elements);
            return $this->completeNode($node);
        }
    }
    return null;
}