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<?php |
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/** |
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* @author Patsura Dmitry https://github.com/ovr <[email protected]> |
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*/ |
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namespace PHPSA\Compiler\Expression; |
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use PhpParser\Node\Expr\Variable; |
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use PHPSA\Check; |
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use PHPSA\CompiledExpression; |
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use PHPSA\Context; |
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use PHPSA\Definition\ClassDefinition; |
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use PHPSA\Compiler\Expression; |
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class MethodCall extends AbstractExpressionCompiler |
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{ |
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protected $name = 'PhpParser\Node\Expr\MethodCall'; |
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/** |
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* @param \PhpParser\Node\Expr\MethodCall $expr |
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* @param Context $context |
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* @return CompiledExpression |
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*/ |
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protected function compile($expr, Context $context) |
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{ |
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$expressionCompiler = $context->getExpressionCompiler(); |
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$methodNameCE = $expressionCompiler->compile($expr->name); |
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$compiledArguments = $this->parseArgs($expr->args, $context); |
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$leftCE = $expressionCompiler->compile($expr->var); |
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if ($leftCE->isObject()) { |
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/** @var ClassDefinition $calledObject */ |
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$calledObject = $leftCE->getValue(); |
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if ($calledObject instanceof ClassDefinition) { |
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$methodName = $methodNameCE->isString() ? $methodNameCE->getValue() : false; |
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if ($methodName) { |
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if (!$calledObject->hasMethod($methodName, true)) { |
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$context->notice( |
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'mcall.undefined', |
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sprintf('Method %s() does not exist in %s scope', $methodName, $calledObject->getName()), |
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$expr |
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); |
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//it's needed to exit |
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return new CompiledExpression; |
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} |
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$method = $calledObject->getMethod($methodName, true); |
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if (!$method) { |
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$context->debug('getMethod is not working'); |
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return new CompiledExpression; |
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} |
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if ($method->isStatic()) { |
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$context->notice( |
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'mcall.static', |
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"Method {$methodName}() is a static function but called like class method", |
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$expr |
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); |
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} |
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return $method->run(clone $context, $compiledArguments); |
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} |
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return new CompiledExpression; |
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} |
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} elseif (!$leftCE->canBeObject()) { |
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$context->notice( |
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'mcall.not-object', |
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'Is not object cannot be called like this', |
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$expr->var, |
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Check::CHECK_ALPHA |
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); |
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} |
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$context->debug('[Unknown] @todo MethodCall'); |
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return new CompiledExpression; |
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} |
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/** |
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* @param \PhpParser\Node\Arg[] $arguments |
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* @return CompiledExpression[] |
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*/ |
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protected function parseArgs(array $arguments = null, Context $context) |
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{ |
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$compiled = array(); |
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if ($arguments) { |
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foreach ($arguments as $argument) { |
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$compiled[] = $context->getExpressionCompiler()->compile($argument->value); |
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} |
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} |
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return $compiled; |
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} |
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} |
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ovr /
phpsa
If you place a parameter with a default value before a parameter with a default value, the default value of the first parameter will never be used as it will always need to be passed anyway: