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<?php |
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/** |
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* PHP Smart Analysis project 2015-2016 |
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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 Ovr\PHPReflection\Reflector; |
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use PHPSA\CompiledExpression; |
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use PHPSA\Context; |
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use PHPSA\Definition\ClosureDefinition; |
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class FunctionCall extends AbstractExpressionCompiler |
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{ |
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protected $name = 'PhpParser\Node\Expr\FuncCall'; |
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/** |
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* @param \PhpParser\Node\Expr\FuncCall $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 = $context->getExpressionCompiler(); |
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$fNameExpression = $expressionCompiler->compile($expr->name); |
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$name = $fNameExpression->getValue(); |
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$compiler = $context->application->compiler; |
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$exists = false; |
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$arguments = $this->parseArgs($expr, clone $context); |
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// is it a Closure |
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if ($fNameExpression->isCallable() && $name instanceof ClosureDefinition) { |
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return $name->run($this->parseArgs($expr, clone $context), $context); |
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} |
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// is the function name a correct string |
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if (!$fNameExpression->isString() || !$fNameExpression->isCorrectValue()) { |
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$context->debug( |
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'Unexpected function name type ' . $fNameExpression->getTypeName(), |
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$expr->name |
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); |
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return new CompiledExpression(); |
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} |
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// namespace check for correct functionDefinition |
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if ($context->scope) { |
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$functionDefinition = $compiler->getFunctionNS($name, $context->scope->getNamespace()); |
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} else { |
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$functionDefinition = $compiler->getFunction($name); |
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} |
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// does the function exist |
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if ($functionDefinition) { |
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if (!$functionDefinition->isCompiled()) { |
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$functionDefinition->compile(clone $context); |
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} |
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$exists = true; |
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} else { |
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$exists = function_exists($name); |
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} |
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if (!$exists) { |
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$context->notice( |
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'undefined-fcall', |
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sprintf('Function %s() does not exist', $expr->name->parts[0]), |
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$expr |
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); |
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} else { |
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$reflector = new Reflector(Reflector::manuallyFactory()); |
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$functionReflection = $reflector->getFunction($name); |
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if ($functionReflection) { |
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3 |
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$argumentsSuccessPass = $this->checkArguments($arguments, $functionReflection); |
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// when everything is ok we run the function |
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3 |
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if ($argumentsSuccessPass && $functionReflection->isRunnable()) { |
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3 |
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array_walk( |
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3 |
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$arguments, |
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function (&$item) { |
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/** @var CompiledExpression $item */ |
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$item = $item->getValue(); |
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2 |
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} |
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3 |
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); |
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3 |
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return new CompiledExpression( |
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3 |
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$functionReflection->getReturnType(), |
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3 |
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$functionReflection->run($arguments) |
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); |
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} |
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2 |
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return new CompiledExpression($functionReflection->getReturnType()); |
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} |
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} |
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return new CompiledExpression(); |
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} |
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/** |
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* @param \PhpParser\Node\Expr\FuncCall $expr |
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* @return CompiledExpression[] |
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*/ |
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protected function parseArgs($expr, Context $context) |
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{ |
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$arguments = []; |
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foreach ($expr->args as $argument) { |
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$arguments[] = $context->getExpressionCompiler()->compile($argument->value); |
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} |
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return $arguments; |
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} |
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3 |
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protected function checkArguments(array $arguments, $functionReflection) |
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{ |
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3 |
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if (count($arguments) > 0) { |
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3 |
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foreach ($arguments as $key => $argument) { |
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3 |
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$parameter = $functionReflection->getParameter($key); |
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3 |
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$paramType = $parameter->getType(); |
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3 |
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$argumentType = $argument->getType(); |
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3 |
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$numberTypes = [CompiledExpression::INTEGER, CompiledExpression::DOUBLE]; |
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$callableTypes = [CompiledExpression::STRING, CompiledExpression::ARR]; |
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// the paramtype is equal to the argument type or mixed |
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// or paramtype is number and argumenttype is integer, double |
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// or paramtype is callable and argumenttype is string, array |
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if (!($paramType == $argumentType || $paramType == CompiledExpression::MIXED) |
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&& !($paramType == CompiledExpression::NUMBER && in_array($argumentType, $numberTypes)) |
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&& !($paramType == CompiledExpression::CALLABLE_TYPE && in_array($argumentType, $callableTypes))) { |
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return false; |
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} |
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} |
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} |
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// argumentcount != paramcount |
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3 |
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if (count($arguments) != $functionReflection->getNumberOfRequiredParameters()) { |
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return false; |
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} |
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3 |
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return true; |
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} |
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} |
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ovr /
phpsa
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A high number of execution paths generally suggests many nested conditional statements and make the code less readible. This can usually be fixed by splitting the method into several smaller methods.
You can also find more information in the “Code” section of your repository.