function ExpressionParser::parseExpression

11 calls to ExpressionParser::parseExpression()

ExpressionParser::getPrimary in vendor/twig/twig/src/ExpressionParser.php

ExpressionParser::parseArguments in vendor/twig/twig/src/ExpressionParser.php

Parses arguments.

ExpressionParser::parseArrow in vendor/twig/twig/src/ExpressionParser.php

ExpressionParser::parseConditionalExpression in vendor/twig/twig/src/ExpressionParser.php

ExpressionParser::parseMappingExpression in vendor/twig/twig/src/ExpressionParser.php

... See full list

File

vendor/twig/twig/src/ExpressionParser.php, line 93

Class

ExpressionParser

Parses expressions.

Namespace

Twig

Code

public function parseExpression($precedence = 0) {
    if (func_num_args() > 1) {
        trigger_deprecation('twig/twig', '3.15', 'Passing a second argument ($allowArrow) to "%s()" is deprecated.', __METHOD__);
    }
    if ($arrow = $this->parseArrow()) {
        return $arrow;
    }
    $expr = $this->getPrimary();
    $token = $this->parser
        ->getCurrentToken();
    while ($this->isBinary($token) && $this->binaryOperators[$token->getValue()]['precedence'] >= $precedence) {
        $op = $this->binaryOperators[$token->getValue()];
        $this->parser
            ->getStream()
            ->next();
        if ('is not' === $token->getValue()) {
            $expr = $this->parseNotTestExpression($expr);
        }
        elseif ('is' === $token->getValue()) {
            $expr = $this->parseTestExpression($expr);
        }
        elseif (isset($op['callable'])) {
            $expr = $op['callable']($this->parser, $expr);
        }
        else {
            $previous = $this->setDeprecationCheck(true);
            try {
                $expr1 = $this->parseExpression(self::OPERATOR_LEFT === $op['associativity'] ? $op['precedence'] + 1 : $op['precedence']);
            } finally {
                $this->setDeprecationCheck($previous);
            }
            $class = $op['class'];
            $expr = new $class($expr, $expr1, $token->getLine());
        }
        $expr->setAttribute('operator', 'binary_' . $token->getValue());
        $this->triggerPrecedenceDeprecations($expr);
        $token = $this->parser
            ->getCurrentToken();
    }
    if (0 === $precedence) {
        return $this->parseConditionalExpression($expr);
    }
    return $expr;
}