class EnumFunction

Hierarchy

class \Twig\Node\Node implements \Twig\Node\Countable, \Twig\Node\IteratorAggregate
- class \Twig\Node\Expression\AbstractExpression extends \Twig\Node\Node
  - class \Twig\Node\Expression\CallExpression extends \Twig\Node\Expression\AbstractExpression
    - class \Twig\Node\Expression\FunctionExpression extends \Twig\Node\Expression\CallExpression
      - class \Twig\Node\Expression\FunctionNode\EnumFunction extends \Twig\Node\Expression\FunctionExpression

Expanded class hierarchy of EnumFunction

1 file declares its use of EnumFunction

CoreExtension.php in vendor/twig/twig/src/Extension/CoreExtension.php

File

vendor/twig/twig/src/Node/Expression/FunctionNode/EnumFunction.php, line 10

Namespace

Twig\Node\Expression\FunctionNode

View source

class EnumFunction extends FunctionExpression {
    public function compile(Compiler $compiler) : void {
        $arguments = $this->getNode('arguments');
        if ($arguments->hasNode('enum')) {
            $firstArgument = $arguments->getNode('enum');
        }
        elseif ($arguments->hasNode('0')) {
            $firstArgument = $arguments->getNode('0');
        }
        else {
            $firstArgument = null;
        }
        if (!$firstArgument instanceof ConstantExpression || 1 !== \count($arguments)) {
            parent::compile($compiler);
            return;
        }
        $value = $firstArgument->getAttribute('value');
        if (!\is_string($value)) {
            throw new SyntaxError('The first argument of the "enum" function must be a string.', $this->getTemplateLine(), $this->getSourceContext());
        }
        if (!enum_exists($value)) {
            throw new SyntaxError(\sprintf('The first argument of the "enum" function must be the name of an enum, "%s" given.', $value), $this->getTemplateLine(), $this->getSourceContext());
        }
        if (!($cases = $value::cases())) {
            throw new SyntaxError(\sprintf('The first argument of the "enum" function must be a non-empty enum, "%s" given.', $value), $this->getTemplateLine(), $this->getSourceContext());
        }
        $compiler->raw(\sprintf('%s::%s', $value, $cases[0]->name));
    }

}

Members

Title Sort descending	Deprecated	Modifiers	Object type	Summary	Overriden Title	Overrides
AbstractExpression::hasExplicitParentheses		public	function
AbstractExpression::isGenerator		public	function
AbstractExpression::setExplicitParentheses		public	function
CallExpression::$reflector		private	property
CallExpression::compileArguments		protected	function
CallExpression::compileCallable		protected	function
CallExpression::getArguments	Deprecated	protected	function
CallExpression::getCallableParameters		private	function
CallExpression::getTwigCallable		private	function	Overrides the Twig callable based on attributes (as potentially, attributes changed between the creation and the compilation of the node).
CallExpression::normalizeName	Deprecated	protected	function
CallExpression::reflectCallable		private	function
EnumFunction::compile		public	function		Overrides FunctionExpression::compile
FunctionExpression::__construct		public	function		Overrides Node::__construct
Node::$attributeNameDeprecations		private	property	@var array<string, NameDeprecation>
Node::$attributes		protected	property
Node::$lineno		protected	property
Node::$nodeNameDeprecations		private	property	@var array<string, NameDeprecation>
Node::$nodes		protected	property
Node::$sourceContext		private	property
Node::$tag		protected	property
Node::count		public	function
Node::deprecateAttribute		public	function
Node::deprecateNode		public	function
Node::getAttribute		public	function
Node::getIterator		public	function
Node::getNode		public	function
Node::getNodeTag		public	function
Node::getSourceContext		public	function
Node::getTemplateLine		public	function
Node::getTemplateName		public	function
Node::hasAttribute		public	function
Node::hasNode		public	function
Node::removeAttribute		public	function
Node::removeNode		public	function
Node::setAttribute		public	function
Node::setNode		public	function			1
Node::setNodeTag		public	function	@internal
Node::setSourceContext		public	function
Node::__toString		public	function