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FunctionLikeScope.php
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FunctionLikeScope.php
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<?php
declare(strict_types=1);
namespace Phan\Language\Scope;
use Phan\Language\FQSEN;
use Phan\Language\FQSEN\FullyQualifiedClassName;
use Phan\Language\FQSEN\FullyQualifiedFunctionName;
use Phan\Language\FQSEN\FullyQualifiedMethodName;
use Phan\Language\Scope;
/**
* The scope of a function, method, or closure.
* This has subclasses.
*/
class FunctionLikeScope extends ClosedScope
{
public function __construct(
Scope $parent_scope,
FQSEN $fqsen
) {
$this->parent_scope = $parent_scope;
$this->fqsen = $fqsen;
$this->flags = $parent_scope->flags | Scope::IN_FUNCTION_LIKE_SCOPE;
}
/**
* @return FullyQualifiedClassName
* Crawl the scope hierarchy to get a class FQSEN.
*/
public function getClassFQSEN(): FullyQualifiedClassName
{
return $this->parent_scope->getClassFQSEN();
}
/**
* @return ?FullyQualifiedClassName
* Crawl the scope hierarchy to get a class FQSEN.
* Return null if there is no class FQSEN.
*/
public function getClassFQSENOrNull(): ?FullyQualifiedClassName
{
return $this->parent_scope->getClassFQSENOrNull();
}
/**
* @return bool
* True if we're in a function scope
*/
public function isInFunctionLikeScope(): bool
{
return true;
}
/**
* @return bool
* True if we're in a function scope
*/
public function isInPropertyScope(): bool
{
return false;
}
/**
* @return bool
* True if we're in a class-like scope
*/
public function isInMethodLikeScope(): bool
{
return ($this->flags & self::IN_CLASS_LIKE_SCOPE) !== 0;
}
/**
* @return FullyQualifiedMethodName|FullyQualifiedFunctionName
* Get the FQSEN for the closure, method or function we're in
*/
public function getFunctionLikeFQSEN()
{
$fqsen = $this->fqsen;
if ($fqsen instanceof FullyQualifiedMethodName) {
return $fqsen;
}
if ($fqsen instanceof FullyQualifiedFunctionName) {
return $fqsen;
}
throw new \AssertionError("FQSEN must be a function-like FQSEN");
}
}

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FunctionLikeScope.php (2 KB)

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