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Allow unparenthesized conditional type in conditional else branch

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This commit is contained in:
Richard van Velzen 2022-10-20 09:28:03 +02:00 committed by Ondřej Mirtes
parent 44615481d8
commit 5f13698464
4 changed files with 227 additions and 3 deletions
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2
doc/grammars/type.abnf
View File

@ -17,7 +17,7 @@ Intersection
= 1*(TokenIntersection Atomic)
Conditional
= 1*ByteHorizontalWs TokenIs [TokenNot] Atomic TokenNullable Atomic TokenColon Atomic
= 1*ByteHorizontalWs TokenIs [TokenNot] Atomic TokenNullable Type TokenColon ParenthesizedType
Nullable
= TokenNullable Atomic

4
src/Parser/TypeParser.php
View File

@ -242,7 +242,7 @@ class TypeParser
$tokens->consumeTokenType(Lexer::TOKEN_COLON);
$tokens->tryConsumeTokenType(Lexer::TOKEN_PHPDOC_EOL);
$elseType = $this->parse($tokens);
$elseType = $this->subParse($tokens);
return new Ast\Type\ConditionalTypeNode($subjectType, $targetType, $ifType, $elseType, $negated);
}
@ -271,7 +271,7 @@ class TypeParser
$tokens->consumeTokenType(Lexer::TOKEN_COLON);
$tokens->tryConsumeTokenType(Lexer::TOKEN_PHPDOC_EOL);
$elseType = $this->parse($tokens);
$elseType = $this->subParse($tokens);
return new Ast\Type\ConditionalTypeForParameterNode($parameterName, $targetType, $ifType, $elseType, $negated);
}

174
tests/PHPStan/Parser/PhpDocParserTest.php
View File

@ -34,6 +34,8 @@ use PHPStan\PhpDocParser\Ast\PhpDoc\TypeAliasTagValueNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\TypelessParamTagValueNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\UsesTagValueNode;
use PHPStan\PhpDocParser\Ast\PhpDoc\VarTagValueNode;
use PHPStan\PhpDocParser\Ast\Type\ArrayShapeItemNode;
use PHPStan\PhpDocParser\Ast\Type\ArrayShapeNode;
use PHPStan\PhpDocParser\Ast\Type\ArrayTypeNode;
use PHPStan\PhpDocParser\Ast\Type\CallableTypeNode;
use PHPStan\PhpDocParser\Ast\Type\CallableTypeParameterNode;
@ -4381,6 +4383,178 @@ Finder::findFiles('*.php')
),
]),
];
yield [
'complex stub from Psalm',
'/**' . PHP_EOL .
' * @psalm-pure' . PHP_EOL .
' * @template TFlags as int-mask<0, 256, 512>' . PHP_EOL .
' *' . PHP_EOL .
' * @param string $pattern' . PHP_EOL .
' * @param string $subject' . PHP_EOL .
' * @param mixed $matches' . PHP_EOL .
' * @param TFlags $flags' . PHP_EOL .
" * @param-out (TFlags is 256 ? array<array-key, array{string, 0|positive-int}|array{'', -1}> :" . PHP_EOL .
' * TFlags is 512 ? array<array-key, string|null> :' . PHP_EOL .
' * TFlags is 768 ? array<array-key, array{string, 0|positive-int}|array{null, -1}> :' . PHP_EOL .
' * array<array-key, string>' . PHP_EOL .
' * ) $matches' . PHP_EOL .
' * @return 1|0|false' . PHP_EOL .
' * @psalm-ignore-falsable-return' . PHP_EOL .
' */',
new PhpDocNode([
new PhpDocTagNode('@psalm-pure', new GenericTagValueNode('')),
new PhpDocTagNode(
'@template',
new TemplateTagValueNode(
'TFlags',
new GenericTypeNode(
new IdentifierTypeNode('int-mask'),
[
new ConstTypeNode(new ConstExprIntegerNode('0')),
new ConstTypeNode(new ConstExprIntegerNode('256')),
new ConstTypeNode(new ConstExprIntegerNode('512')),
]
),
''
)
),
new PhpDocTextNode(''),
new PhpDocTagNode(
'@param',
new ParamTagValueNode(
new IdentifierTypeNode('string'),
false,
'$pattern',
''
)
),
new PhpDocTagNode(
'@param',
new ParamTagValueNode(
new IdentifierTypeNode('string'),
false,
'$subject',
''
)
),
new PhpDocTagNode(
'@param',
new ParamTagValueNode(
new IdentifierTypeNode('mixed'),
false,
'$matches',
''
)
),
new PhpDocTagNode(
'@param',
new ParamTagValueNode(
new IdentifierTypeNode('TFlags'),
false,
'$flags',
''
)
),
new PhpDocTagNode(
'@param-out',
new ParamOutTagValueNode(
new ConditionalTypeNode(
new IdentifierTypeNode('TFlags'),
new ConstTypeNode(new ConstExprIntegerNode('256')),
new GenericTypeNode(
new IdentifierTypeNode('array'),
[
new IdentifierTypeNode('array-key'),
new UnionTypeNode([
new ArrayShapeNode([
new ArrayShapeItemNode(null, false, new IdentifierTypeNode('string')),
new ArrayShapeItemNode(
null,
false,
new UnionTypeNode([
new ConstTypeNode(new ConstExprIntegerNode('0')),
new IdentifierTypeNode('positive-int'),
])
),
]),
new ArrayShapeNode([
new ArrayShapeItemNode(null, false, new ConstTypeNode(new ConstExprStringNode(''))),
new ArrayShapeItemNode(null, false, new ConstTypeNode(new ConstExprIntegerNode('-1'))),
]),
]),
]
),
new ConditionalTypeNode(
new IdentifierTypeNode('TFlags'),
new ConstTypeNode(new ConstExprIntegerNode('512')),
new GenericTypeNode(
new IdentifierTypeNode('array'),
[
new IdentifierTypeNode('array-key'),
new UnionTypeNode([
new IdentifierTypeNode('string'),
new IdentifierTypeNode('null'),
]),
]
),
new ConditionalTypeNode(
new IdentifierTypeNode('TFlags'),
new ConstTypeNode(new ConstExprIntegerNode('768')),
new GenericTypeNode(
new IdentifierTypeNode('array'),
[
new IdentifierTypeNode('array-key'),
new UnionTypeNode([
new ArrayShapeNode([
new ArrayShapeItemNode(null, false, new IdentifierTypeNode('string')),
new ArrayShapeItemNode(
null,
false,
new UnionTypeNode([
new ConstTypeNode(new ConstExprIntegerNode('0')),
new IdentifierTypeNode('positive-int'),
])
),
]),
new ArrayShapeNode([
new ArrayShapeItemNode(null, false, new IdentifierTypeNode('null')),
new ArrayShapeItemNode(null, false, new ConstTypeNode(new ConstExprIntegerNode('-1'))),
]),
]),
]
),
new GenericTypeNode(
new IdentifierTypeNode('array'),
[
new IdentifierTypeNode('array-key'),
new IdentifierTypeNode('string'),
]
),
false
),
false
),
false
),
'$matches',
''
)
),
new PhpDocTagNode(
'@return',
new ReturnTagValueNode(
new UnionTypeNode([
new ConstTypeNode(new ConstExprIntegerNode('1')),
new ConstTypeNode(new ConstExprIntegerNode('0')),
new IdentifierTypeNode('false'),
]),
''
)
),
new PhpDocTagNode('@psalm-ignore-falsable-return', new GenericTagValueNode('')),
]),
];
}
public function provideDescriptionWithOrWithoutHtml(): Iterator

50
tests/PHPStan/Parser/TypeParserTest.php
View File

@ -1266,6 +1266,56 @@ class TypeParserTest extends TestCase
)
),
],
[
'(T is Foo ? true : T is Bar ? false : null)',
new ConditionalTypeNode(
new IdentifierTypeNode('T'),
new IdentifierTypeNode('Foo'),
new IdentifierTypeNode('true'),
new ConditionalTypeNode(
new IdentifierTypeNode('T'),
new IdentifierTypeNode('Bar'),
new IdentifierTypeNode('false'),
new IdentifierTypeNode('null'),
false
),
false
),
],
[
'(T is Foo ? T is Bar ? true : false : null)',
new ParserException(
'is',
Lexer::TOKEN_IDENTIFIER,
14,
Lexer::TOKEN_COLON
),
],
[
'($foo is Foo ? true : $foo is Bar ? false : null)',
new ConditionalTypeForParameterNode(
'$foo',
new IdentifierTypeNode('Foo'),
new IdentifierTypeNode('true'),
new ConditionalTypeForParameterNode(
'$foo',
new IdentifierTypeNode('Bar'),
new IdentifierTypeNode('false'),
new IdentifierTypeNode('null'),
false
),
false
),
],
[
'($foo is Foo ? $foo is Bar ? true : false : null)',
new ParserException(
'$foo',
Lexer::TOKEN_VARIABLE,
15,
Lexer::TOKEN_IDENTIFIER
),
],
];
}