function ParserAbstract::charSeparatedListOf

Parses a character separated list of instructions or null if the sequence is not valid

Parameters

callable $fn Parsing instruction function:

string $char Separator:

Return value

array

Throws

Exception

3 calls to ParserAbstract::charSeparatedListOf()

Parser::parseExpression in vendor/mck89/peast/lib/Peast/Syntax/Parser.php: Parses an expression
Parser::parseLexicalDeclaration in vendor/mck89/peast/lib/Peast/Syntax/Parser.php: Parses a let or const declaration
Parser::parseVariableDeclarationList in vendor/mck89/peast/lib/Peast/Syntax/Parser.php: Parses an variable declarations

File

vendor/mck89/peast/lib/Peast/Syntax/ParserAbstract.php, line 345

Class

ParserAbstract: Base class for parsers.

Namespace

Peast\Syntax

Code

protected function charSeparatedListOf($fn, $char = ",") {
    $list = array();
    $valid = true;
    while ($param = $this->{$fn}()) {
        $list[] = $param;
        $valid = true;
        if (!$this->scanner
            ->consume($char)) {
            break;
        }
        else {
            $valid = false;
        }
    }
    if (!$valid) {
        $this->error();
    }
    return $list;
}