mirror of https://github.com/rectorphp/rector.git
52 lines
1.3 KiB
PHP
52 lines
1.3 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\PHPStanStaticTypeMapper\TypeMapper;
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use PhpParser\Node;
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use PhpParser\Node\Identifier;
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use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode;
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use PHPStan\PhpDocParser\Ast\Type\TypeNode;
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use PHPStan\Type\NullType;
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use PHPStan\Type\Type;
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use Rector\PHPStanStaticTypeMapper\Contract\TypeMapperInterface;
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use Rector\PHPStanStaticTypeMapper\Enum\TypeKind;
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/**
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* @implements TypeMapperInterface<NullType>
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*/
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final class NullTypeMapper implements TypeMapperInterface
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{
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/**
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* @return class-string<Type>
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*/
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public function getNodeClass() : string
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{
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return NullType::class;
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}
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/**
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* @param NullType $type
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*/
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public function mapToPHPStanPhpDocTypeNode(Type $type) : TypeNode
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{
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return new IdentifierTypeNode('null');
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}
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/**
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* @param TypeKind::* $typeKind
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* @param NullType $type
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*/
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public function mapToPhpParserNode(Type $type, string $typeKind) : ?Node
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{
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if ($typeKind === TypeKind::PROPERTY) {
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return null;
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}
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if ($typeKind === TypeKind::PARAM) {
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return null;
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}
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// return type cannot be only null
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if ($typeKind === TypeKind::RETURN) {
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return null;
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}
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return new Identifier('null');
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}
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}
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