545     public function _evaluateWellFormed($elmInstance) {  argument
549     public function evaluate($elmInstance) {  argument
550         $this->ensureWellFormed($elmInstance);
551         return $this->_evaluateWellFormed($elmInstance);
563     public function getRepresentation($elmInstance) {  argument
564         $this->ensureWellFormed($elmInstance);
566         foreach ($elmInstance->args() as $arg) {
603     public function ensureWellFormed($elmInstance) {  argument
604         if ($elmInstance->definition() != $this) {
607         $args = $elmInstance->args();
612 …               throw new MalformedExpressionException($elmInstance, 'Expected exactly one token.');
614 …                throw new MalformedExpressionException($elmInstance, 'Expected a token instance.');
616 …throw new MalformedExpressionException($elmInstance, 'Expected a token of type ' . $this->tokenDef…
624 …          throw new MalformedExpressionException($elmInstance, 'Expected at least two arguments.');
626 …           throw new MalformedExpressionException($elmInstance, 'Expected at least one argument.');
629 …throw new MalformedExpressionException($elmInstance, 'Expected exactly ' . $this->arity() . ' argu…