/**
* @param Expr $expr
*
* @return array Returns an array of types, or an empty array if the expression doesn't return a value
*/
public static function resolve(Expr $expr)
{
if (!$expr->getAttribute("scope") or !$expr->getAttribute("scopeInner")) {
throw new \InvalidArgumentException("Expr must have its scope and scopeInner resolved");
}
switch (get_class($expr)) {
default:
return BasicExpressionReturnTypeResolver::resolve($expr);
}
}
/**
* Constructs an array item node.
*
* @param Expr $value Value
* @param null|Expr $key Key
* @param bool $byRef Whether to assign by reference
* @param array $attributes Additional attributes
*/
public function __construct(Expr $value, Expr $key = null, $byRef = false, array $attributes = array())
{
parent::__construct($attributes);
$this->key = $key;
$this->value = $value;
$this->byRef = $byRef;
}
protected function reportArgument(Expr $arg)
{
if ($arg instanceof BinaryOp) {
$this->reportArgument($arg->left);
$this->reportArgument($arg->right);
} elseif ($arg instanceof Encapsed) {
foreach ($arg->parts as $part) {
if ($part instanceof Variable) {
$this->reportArgument($part);
}
}
} elseif ($arg instanceof Variable) {
$warn = "Translatable text contains variable '{$arg->name}' on line {$arg->getLine()}, consider using literal string instead.";
$this->output->writeln("<comment>{$warn}</comment>");
}
}
/**
* Constructs a static method call node.
*
* @param Node\Name|Expr $class Class name
* @param string|Expr $name Method name
* @param Node\Arg[] $args Arguments
* @param array $attributes Additional attributes
*/
public function __construct($class, $name, array $args = array(), array $attributes = array())
{
parent::__construct($attributes);
$this->class = $class;
$this->name = $name;
$this->args = $args;
}
/**
* Constructs a function call node.
*
* @param Expr $var Variable holding object
* @param string|Expr $name Method name
* @param Arg[] $args Arguments
* @param array $attributes Additional attributes
*/
public function __construct(Expr $var, $name, array $args = array(), array $attributes = array())
{
parent::__construct(null, $attributes);
$this->var = $var;
$this->name = $name;
$this->args = $args;
}
/**
* Constructs a ternary operator node.
*
* @param Expr $cond Condition
* @param null|Expr $if Expression for true
* @param Expr $else Expression for false
* @param array $attributes Additional attributes
*/
public function __construct(Expr $cond, $if, Expr $else, array $attributes = array())
{
parent::__construct(null, $attributes);
$this->cond = $cond;
$this->if = $if;
$this->else = $else;
}
/**
* Constructs a lambda function node.
*
* @param array $subNodes Array of the following optional subnodes:
* 'static' => false : Whether the closure is static
* 'byRef' => false : Whether to return by reference
* 'params' => array(): Parameters
* 'uses' => array(): use()s
* 'returnType' => null : Return type
* 'stmts' => array(): Statements
* @param array $attributes Additional attributes
*/
public function __construct(array $subNodes = array(), array $attributes = array()) {
parent::__construct($attributes);
$this->static = isset($subNodes['static']) ? $subNodes['static'] : false;
$this->byRef = isset($subNodes['byRef']) ? $subNodes['byRef'] : false;
$this->params = isset($subNodes['params']) ? $subNodes['params'] : array();
$this->uses = isset($subNodes['uses']) ? $subNodes['uses'] : array();
$this->returnType = isset($subNodes['returnType']) ? $subNodes['returnType'] : null;
$this->stmts = isset($subNodes['stmts']) ? $subNodes['stmts'] : array();
}
/**
* Constructs a bitwise and node.
*
* @param Expr $left The left hand side expression
* @param Expr $right The right hand side expression
* @param array $attributes Additional attributes
*/
public function __construct(Expr $left, Expr $right, array $attributes = array())
{
parent::__construct($attributes);
$this->left = $left;
$this->right = $right;
}
/**
* Constructs an array item node.
*
* @param Expr $value Value
* @param null|Expr $key Key
* @param bool $byRef Whether to assign by reference
* @param array $attributes Additional attributes
*/
public function __construct(Expr $value, Expr $key = null, $byRef = false, array $attributes = array())
{
parent::__construct(array('key' => $key, 'value' => $value, 'byRef' => $byRef), $attributes);
}
/**
* Constructs an instanceof check node.
*
* @param Expr $expr Expression
* @param Name|Expr $class Class name
* @param array $attributes Additional attributes
*/
public function __construct(Expr $expr, $class, array $attributes = array())
{
parent::__construct(null, $attributes);
$this->expr = $expr;
$this->class = $class;
}
/**
* Constructs a shell exec (backtick) node.
*
* @param array $parts Encapsed string array
* @param array $attributes Additional attributes
*/
public function __construct($parts, array $attributes = array())
{
parent::__construct(array('parts' => $parts), $attributes);
}
/**
* Constructs an "yield from" node.
*
* @param Expr $expr Expression
* @param array $attributes Additional attributes
*/
public function __construct(Expr $expr, array $attributes = array())
{
parent::__construct($attributes);
$this->expr = $expr;
}
/**
* Constructs an assignment node.
*
* @param Expr $var Variable
* @param Expr $expr Expression
* @param array $attributes Additional attributes
*/
public function __construct(Expr $var, Expr $expr, array $attributes = array())
{
parent::__construct(array('var' => $var, 'expr' => $expr), $attributes);
}
private function resolveExpressionValue(\PhpParser\Node\Expr $expr)
{
if ($expr instanceof \PhpParser\Node\Scalar\String_) {
return array('type' => 'string', 'value' => $expr->getAttribute('originalValue'));
}
if ($expr instanceof \PhpParser\Node\Scalar\LNumber || $expr instanceof \PhpParser\Node\Expr\UnaryMinus || $expr instanceof \PhpParser\Node\Expr\UnaryPlus) {
return array('type' => 'integer', 'value' => $expr->getAttribute('originalValue'));
}
if ($expr instanceof \PhpParser\Node\Scalar\DNumber) {
return array('type' => 'float', 'value' => $expr->getAttribute('originalValue'));
}
if ($expr instanceof \PhpParser\Node\Expr\Array_) {
return array('type' => 'array', 'value' => '');
}
if ($expr instanceof \PhpParser\Node\Expr\ClassConstFetch) {
return array('type' => '{unknown}', 'value' => '', 'constant' => join('\\', $expr->class->parts) . '::' . $expr->name);
}
if ($expr instanceof \PhpParser\Node\Expr\ConstFetch) {
$reference = join('\\', $expr->name->parts);
if (in_array(strtolower($reference), array('true', 'false'))) {
return array('type' => 'boolean', 'value' => $reference);
}
return array('type' => '{unknown}', 'value' => '', 'constant' => join('\\', $expr->name->parts));
}
if ($expr instanceof \PhpParser\Node\Scalar\MagicConst\Line) {
return array('type' => 'integer', 'value' => '', 'constant' => $expr->getName());
}
if ($expr instanceof \PhpParser\Node\Scalar\MagicConst) {
return array('type' => 'string', 'value' => '', 'constant' => $expr->getName());
}
$type = get_class($expr);
$line = $expr->getLine();
$file = $this->result->getFileName();
throw new ParseErrorException("Unexpected expression type '{$type}' for value in line {$line} of file '{$file}'", ParseErrorException::UnexpectedExpr);
}
/**
* Constructs an array node.
*
* @param ArrayItem[] $items Items of the array
* @param array $attributes Additional attributes
*/
public function __construct(array $items = array(), array $attributes = array())
{
parent::__construct(null, $attributes);
$this->items = $items;
}
/**
* Constructs an include node.
*
* @param Expr $expr Expression
* @param int $type Type of include
* @param array $attributes Additional attributes
*/
public function __construct(Expr $expr, $type, array $attributes = array())
{
parent::__construct(null, $attributes);
$this->expr = $expr;
$this->type = $type;
}
/**
* Constructs an instanceof check node.
*
* @param Expr $expr Expression
* @param Name|Expr $class Class name
* @param array $attributes Additional attributes
*/
public function __construct(Expr $expr, $class, array $attributes = array())
{
parent::__construct(array('expr' => $expr, 'class' => $class), $attributes);
}
/**
* Constructs an array node.
*
* @param Expr[] $vars Variables
* @param array $attributes Additional attributes
*/
public function __construct(array $vars, array $attributes = array())
{
parent::__construct(array('vars' => $vars), $attributes);
}
/**
* Constructs an include node.
*
* @param Expr $expr Expression
* @param int $type Type of include
* @param array $attributes Additional attributes
*/
public function __construct(Expr $expr, $type, array $attributes = array())
{
parent::__construct(array('expr' => $expr, 'type' => $type), $attributes);
}
/**
* Constructs a yield expression node.
*
* @param null|Expr $value Value expression
* @param null|Expr $key Key expression
* @param array $attributes Additional attributes
*/
public function __construct(Expr $value = null, Expr $key = null, array $attributes = array())
{
parent::__construct(null, $attributes);
$this->key = $key;
$this->value = $value;
}
/**
* Constructs a shell exec (backtick) node.
*
* @param array $parts Encapsed string array
* @param array $attributes Additional attributes
*/
public function __construct(array $parts, array $attributes = array())
{
parent::__construct($attributes);
$this->parts = $parts;
}
/**
* Constructs an array index fetch node.
*
* @param Expr $var Variable
* @param null|Expr $dim Array index / dim
* @param array $attributes Additional attributes
*/
public function __construct(Expr $var, Expr $dim = null, array $attributes = array())
{
parent::__construct($attributes);
$this->var = $var;
$this->dim = $dim;
}
/**
* @param AbstractVariableObject $variable
* @param \PhpParser\Node\Expr $default
* @return string
*/
private function setVariableDefaultValue(AbstractVariableObject $variable, \PhpParser\Node\Expr $default = NULL) {
if ($default === NULL) {
return;
}
if ($default instanceof \PhpParser\Node\Scalar\String) {
$variable->setDefault($default->getAttribute('originalValue'));
if ($variable->getType() == '{unknown}') {
$variable->setType('string');
}
return;
}
if ($default instanceof \PhpParser\Node\Scalar\LNumber ||
$default instanceof \PhpParser\Node\Expr\UnaryMinus ||
$default instanceof \PhpParser\Node\Expr\UnaryPlus) {
$variable->setDefault($default->getAttribute('originalValue'));
if ($variable->getType() == '{unknown}') {
$variable->setType('integer');
}
return;
}
if ($default instanceof \PhpParser\Node\Scalar\DNumber) {
$variable->setDefault($default->getAttribute('originalValue'));
if ($variable->getType() == '{unknown}') {
$variable->setType('float');
}
return;
}
if ($default instanceof \PhpParser\Node\Expr\Array_) {
//var_dump($default);
//$parameter->setDefault(join('\\', $default->items));
if ($variable->getType() == '{unknown}') {
$variable->setType('array');
}
return;
}
if ($default instanceof \PhpParser\Node\Expr\ClassConstFetch) {
$variable->setDefault(join('\\', $default->class->parts) . '::' . $default->name);
return;
}
if ($default instanceof \PhpParser\Node\Expr\ConstFetch) {
$variable->setDefault(join('\\', $default->name->parts));
return;
}
if ($default instanceof \PhpParser\Node\Scalar\MagicConst\Trait_) {
$variable->setName('__TRAIT__');
return;
}
if ($default instanceof \PhpParser\Node\Scalar\MagicConst\Class_) {
$variable->setDefault('__CLASS__');
return;
}
if ($default instanceof \PhpParser\Node\Scalar\MagicConst\Method) {
$variable->setName('__METHOD__');
return;
}
if ($default instanceof \PhpParser\Node\Scalar\MagicConst\Dir) {
$variable->setName('__DIR__');
return;
}
if ($default instanceof \PhpParser\Node\Scalar\MagicConst\File) {
$variable->setName('__FILE__');
return;
}
if ($default instanceof \PhpParser\Node\Scalar\MagicConst\Function_) {
$variable->setName('__FUNC__');
return;
}
if ($default instanceof \PhpParser\Node\Scalar\MagicConst\Line) {
$variable->setName('__LINE__');
return;
}
$type = get_class($default);
$line = $default->startLine;
$file = $this->result->getFileName();
throw new ParseErrorException("Unexpected expression type '$type' for default value in line $line of file '$file'", ParseErrorException::UnexpectedExpr);
}
/**
* Constructs a function call node.
*
* @param Node\Name|Expr $class Class name
* @param Node\Arg[] $args Arguments
* @param array $attributes Additional attributes
*/
public function __construct($class, array $args = array(), array $attributes = array())
{
parent::__construct(null, $attributes);
$this->class = $class;
$this->args = $args;
}
/**
* Constructs a variable node.
*
* @param string|Expr $name Name
* @param array $attributes Additional attributes
*/
public function __construct($name, array $attributes = array())
{
parent::__construct(null, $attributes);
$this->name = $name;
}
/**
* Constructs a function call node.
*
* @param Expr $var Variable holding object
* @param string|Expr $name Property name
* @param array $attributes Additional attributes
*/
public function __construct(Expr $var, $name, array $attributes = array())
{
parent::__construct(array('var' => $var, 'name' => $name), $attributes);
}
/**
* Constructs a post increment node.
*
* @param Expr $var
* Variable
* @param array $attributes
* Additional attributes
*/
public function __construct(Expr $var, array $attributes = array())
{
parent::__construct(null, $attributes);
$this->var = $var;
}
/**
* Constructs a const fetch node.
*
* @param Name $name Constant name
* @param array $attributes Additional attributes
*/
public function __construct(Name $name, array $attributes = array())
{
parent::__construct(array('name' => $name), $attributes);
}
/**
* Constructs an array node.
*
* @param Expr[] $vars
* Variables
* @param array $attributes
* Additional attributes
*/
public function __construct(array $vars, array $attributes = array())
{
parent::__construct(null, $attributes);
$this->vars = $vars;
}
private function parseOperatorNode(Node\Expr $node)
{
$nodeType = str_replace('Expr_', '', $node->getType());
switch (true) {
case isset(self::$assignOperatorsMap[$nodeType]):
return Expression::assign($this->parseNode($node->var), self::$assignOperatorsMap[$nodeType], $this->parseNode($node->expr));
case $node instanceof Node\Expr\Instanceof_:
return Expression::binaryOperation($this->parseNode($node->expr), Operators\Binary::IS_INSTANCE_OF, $this->parseNameNode($node->class));
case isset(self::$binaryOperatorsMap[$nodeType]):
return Expression::binaryOperation($this->parseNode($node->left), self::$binaryOperatorsMap[$nodeType], $this->parseNode($node->right));
case isset(self::$unaryOperatorsMap[$nodeType]):
return Expression::unaryOperation(self::$unaryOperatorsMap[$nodeType], $this->parseNode(isset($node->expr) ? $node->expr : $node->var));
case isset(self::$castOperatorMap[$nodeType]):
return Expression::cast(self::$castOperatorMap[$nodeType], $this->parseNode($node->expr));
default:
return null;
}
}