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FutureUnionType.php
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FutureUnionType.php
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<?php
declare(strict_types=1);
namespace Phan\Language;
use ast\Node;
use Phan\AST\UnionTypeVisitor;
use Phan\CodeBase;
use Phan\Exception\IssueException;
/**
* A FutureUnionType is a UnionType that is lazily loaded.
* Call `get()` in order force the type to be figured.
*/
class FutureUnionType
{
/** @var CodeBase The code base within which we're operating */
private $code_base;
/** @var Context the context from which we're fetching types for $this->node */
private $context;
/** @var Node|string|int|bool|float the node which we will be fetching the type of. */
private $node;
/**
* @param CodeBase $code_base
* @param Context $context
* @param Node|string|int|bool|float $node
*/
public function __construct(
CodeBase $code_base,
Context $context,
$node
) {
$this->code_base = $code_base;
$this->context = $context;
$this->node = $node;
}
/**
* Force the future to figure out the type of the
* given object or throw an IssueException if it
* is unable to do so
*
* @return UnionType
* The type of the future
*
* @throws IssueException
* An exception is thrown if we are unable to determine
* the type at the time this method is called
*/
public function get(): UnionType
{
$this->context->clearCachedUnionTypes();
return UnionTypeVisitor::unionTypeFromNode(
$this->code_base,
$this->context,
$this->node,
false
);
}
/**
* Gets the codebase singleton which created this FutureUnionType.
* (used to resolve class references, constants, etc.)
* @internal (May rethink exposing the codebase in the future)
*/
public function getCodebase(): CodeBase
{
return $this->code_base;
}
/**
* Gets the context in which this FutureUnionType was created
* (used to resolve class references, constants, etc.)
* @internal (May rethink exposing the codebase in the future)
*/
public function getContext(): Context
{
return $this->context;
}
/**
* Gets the node which this is based on
* @return Node|string|int|bool|float
*/
public function getNode()
{
return $this->node;
}
}

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FutureUnionType.php (2 KB)

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