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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\Definition; |
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use PHPSA\CompiledExpression; |
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use PHPSA\Context; |
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use PHPSA\Compiler\Parameter; |
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use PHPSA\Compiler\Types; |
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use PhpParser\Node; |
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use PHPSA\Compiler\Event; |
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use PHPSA\ControlFlow\ControlFlowGraph; |
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/** |
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* Function Definition |
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* |
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* @package PHPSA\Definition |
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*/ |
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class FunctionDefinition extends ParentDefinition |
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{ |
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/** |
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* @todo Use Finder |
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* |
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* @var string |
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*/ |
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protected $filepath; |
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/** |
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* @var Node\Stmt\Function_ |
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*/ |
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protected $statement; |
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/** |
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* @var \PHPSA\ControlFlow\ControlFlowGraph |
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*/ |
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protected $cfg; |
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/** |
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* @var int |
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*/ |
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protected $returnTypes = CompiledExpression::MIXED; |
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/** |
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* @var array |
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*/ |
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protected $possibleReturnTypes = []; |
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/** |
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* @param string $name |
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* @param Node\Stmt\Function_ $statement |
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*/ |
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public function __construct($name, Node\Stmt\Function_ $statement) |
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{ |
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$this->name = $name; |
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$this->statement = $statement; |
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} |
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/** |
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* Compile function to check it |
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* |
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* @param Context $context |
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* @return bool |
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*/ |
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public function compile(Context $context) |
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{ |
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if ($this->compiled) { |
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return true; |
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} |
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$this->cfg = new ControlFlowGraph( |
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$this->statement, |
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$context |
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); |
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$context->setFilepath($this->filepath); |
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$this->compiled = true; |
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$context->scopePointer = $this->getPointer(); |
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$context->setScope(null); |
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$context->getEventManager()->fire( |
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Event\StatementBeforeCompile::EVENT_NAME, |
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new Event\StatementBeforeCompile( |
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$this->statement, |
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$context |
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) |
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); |
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if (count($this->statement->params) > 0) { |
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/** @var Node\Param $parameter */ |
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3 |
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foreach ($this->statement->params as $parameter) { |
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$type = CompiledExpression::UNKNOWN; |
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if ($parameter->type) { |
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if (is_string($parameter->type)) { |
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$type = Types::getType($parameter->type); |
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} elseif ($parameter->type instanceof Node\Name) { |
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$type = CompiledExpression::OBJECT; |
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} |
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} |
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$context->addVariable( |
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new Parameter($parameter->name, null, $type, $parameter->byRef) |
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); |
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} |
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3 |
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} |
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foreach ($this->statement->stmts as $st) { |
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\PHPSA\nodeVisitorFactory($st, $context); |
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} |
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return true; |
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} |
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/** |
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* @return string |
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*/ |
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6 |
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public function getFilepath() |
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{ |
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return $this->filepath; |
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} |
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/** |
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* @param string $filepath |
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*/ |
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6 |
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public function setFilepath($filepath) |
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{ |
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$this->filepath = $filepath; |
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} |
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/** |
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* @return Node\Param[] |
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*/ |
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1 |
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public function getParams() |
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{ |
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1 |
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return $this->statement->params; |
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} |
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/** |
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* @return \PHPSA\ControlFlow\ControlFlowGraph |
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*/ |
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public function getCFG() |
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{ |
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return $this->cfg; |
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} |
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} |
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ovr /
phpsa
