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closes phpstan/phpstan#5317
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,203 @@ | ||
<?php declare(strict_types = 1); | ||
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namespace PHPStan\Type\Accessory; | ||
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use PHPStan\TrinaryLogic; | ||
use PHPStan\Type\BooleanType; | ||
use PHPStan\Type\CompoundType; | ||
use PHPStan\Type\Constant\ConstantArrayType; | ||
use PHPStan\Type\Constant\ConstantBooleanType; | ||
use PHPStan\Type\Constant\ConstantIntegerType; | ||
use PHPStan\Type\ErrorType; | ||
use PHPStan\Type\FloatType; | ||
use PHPStan\Type\GeneralizePrecision; | ||
use PHPStan\Type\IntegerType; | ||
use PHPStan\Type\IntersectionType; | ||
use PHPStan\Type\StringType; | ||
use PHPStan\Type\Traits\MaybeCallableTypeTrait; | ||
use PHPStan\Type\Traits\NonGenericTypeTrait; | ||
use PHPStan\Type\Traits\NonIterableTypeTrait; | ||
use PHPStan\Type\Traits\NonObjectTypeTrait; | ||
use PHPStan\Type\Traits\NonRemoveableTypeTrait; | ||
use PHPStan\Type\Traits\TruthyBooleanTypeTrait; | ||
use PHPStan\Type\Traits\UndecidedComparisonCompoundTypeTrait; | ||
use PHPStan\Type\Type; | ||
use PHPStan\Type\UnionType; | ||
use PHPStan\Type\VerbosityLevel; | ||
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class AccessoryNonFalsyStringType implements CompoundType, AccessoryType | ||
{ | ||
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use MaybeCallableTypeTrait; | ||
use NonObjectTypeTrait; | ||
use NonIterableTypeTrait; | ||
use TruthyBooleanTypeTrait; | ||
use UndecidedComparisonCompoundTypeTrait; | ||
use NonGenericTypeTrait; | ||
use NonRemoveableTypeTrait; | ||
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/** @api */ | ||
public function __construct() | ||
{ | ||
} | ||
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public function getReferencedClasses(): array | ||
{ | ||
return []; | ||
} | ||
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public function accepts(Type $type, bool $strictTypes): TrinaryLogic | ||
{ | ||
if ($type instanceof CompoundType) { | ||
return $type->isAcceptedBy($this, $strictTypes); | ||
} | ||
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return $type->isNonEmptyString(); | ||
} | ||
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public function isSuperTypeOf(Type $type): TrinaryLogic | ||
{ | ||
if ($type instanceof CompoundType) { | ||
return $type->isSubTypeOf($this); | ||
} | ||
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if ($this->equals($type)) { | ||
return TrinaryLogic::createYes(); | ||
} | ||
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return $type->isNonEmptyString(); | ||
} | ||
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public function isSubTypeOf(Type $otherType): TrinaryLogic | ||
{ | ||
if ($otherType instanceof UnionType || $otherType instanceof IntersectionType) { | ||
return $otherType->isSuperTypeOf($this); | ||
} | ||
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return $otherType->isNonEmptyString() | ||
->and($otherType instanceof self ? TrinaryLogic::createYes() : TrinaryLogic::createMaybe()); | ||
} | ||
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public function isAcceptedBy(Type $acceptingType, bool $strictTypes): TrinaryLogic | ||
{ | ||
return $this->isSubTypeOf($acceptingType); | ||
} | ||
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public function equals(Type $type): bool | ||
{ | ||
return $type instanceof self; | ||
} | ||
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public function describe(VerbosityLevel $level): string | ||
{ | ||
return 'non-falsy-string'; | ||
} | ||
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public function isOffsetAccessible(): TrinaryLogic | ||
{ | ||
return TrinaryLogic::createYes(); | ||
} | ||
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public function hasOffsetValueType(Type $offsetType): TrinaryLogic | ||
{ | ||
return (new IntegerType())->isSuperTypeOf($offsetType)->and(TrinaryLogic::createMaybe()); | ||
} | ||
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public function getOffsetValueType(Type $offsetType): Type | ||
{ | ||
if ($this->hasOffsetValueType($offsetType)->no()) { | ||
return new ErrorType(); | ||
} | ||
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if ((new ConstantIntegerType(0))->isSuperTypeOf($offsetType)->yes()) { | ||
return new IntersectionType([new StringType(), new AccessoryNonEmptyStringType()]); | ||
} | ||
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return new StringType(); | ||
} | ||
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public function setOffsetValueType(?Type $offsetType, Type $valueType, bool $unionValues = true): Type | ||
{ | ||
return $this; | ||
} | ||
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public function unsetOffset(Type $offsetType): Type | ||
{ | ||
return new ErrorType(); | ||
} | ||
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public function isArray(): TrinaryLogic | ||
{ | ||
return TrinaryLogic::createNo(); | ||
} | ||
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public function toNumber(): Type | ||
{ | ||
return new ErrorType(); | ||
} | ||
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public function toInteger(): Type | ||
{ | ||
return new IntegerType(); | ||
} | ||
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public function toFloat(): Type | ||
{ | ||
return new FloatType(); | ||
} | ||
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public function toBoolean(): BooleanType | ||
{ | ||
return new ConstantBooleanType(true); | ||
} | ||
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public function toString(): Type | ||
{ | ||
return $this; | ||
} | ||
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public function toArray(): Type | ||
{ | ||
return new ConstantArrayType( | ||
[new ConstantIntegerType(0)], | ||
[$this], | ||
[1], | ||
); | ||
} | ||
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public function isString(): TrinaryLogic | ||
{ | ||
return TrinaryLogic::createYes(); | ||
} | ||
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public function isNumericString(): TrinaryLogic | ||
{ | ||
return TrinaryLogic::createMaybe(); | ||
} | ||
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public function isNonEmptyString(): TrinaryLogic | ||
{ | ||
return TrinaryLogic::createYes(); | ||
} | ||
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public function isLiteralString(): TrinaryLogic | ||
{ | ||
return TrinaryLogic::createMaybe(); | ||
} | ||
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public function traverse(callable $cb): Type | ||
{ | ||
return $this; | ||
} | ||
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public function generalize(GeneralizePrecision $precision): Type | ||
{ | ||
return new StringType(); | ||
} | ||
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public static function __set_state(array $properties): Type | ||
{ | ||
return new self(); | ||
} | ||
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} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,19 @@ | ||
<?php | ||
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namespace Bug5317; | ||
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/** | ||
* @param non-empty-string $in | ||
*/ | ||
function nonEmptyString(string $in): void | ||
{ | ||
var_dump(!$in); | ||
} | ||
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/** | ||
* @param non-falsy-string $in | ||
*/ | ||
function nonFalsyString(string $in): void | ||
{ | ||
var_dump(!$in); | ||
} |