1: | <?php declare(strict_types = 1); |
2: | |
3: | namespace PHPStan\Reflection; |
4: | |
5: | use PhpParser\Node\Stmt\ClassMethod; |
6: | use PhpParser\Node\Stmt\Function_; |
7: | use PHPStan\Analyser\Scope; |
8: | use PHPStan\BetterReflection\Reflection\Adapter\ReflectionFunction; |
9: | use PHPStan\BetterReflection\Reflection\Adapter\ReflectionParameter; |
10: | use PHPStan\BetterReflection\Reflection\ReflectionConstant; |
11: | use PHPStan\ShouldNotHappenException; |
12: | use function array_slice; |
13: | use function count; |
14: | use function explode; |
15: | use function implode; |
16: | use function sprintf; |
17: | |
18: | |
19: | class InitializerExprContext implements NamespaceAnswerer |
20: | { |
21: | |
22: | |
23: | |
24: | |
25: | private function __construct( |
26: | private ?string $file, |
27: | private ?string $namespace, |
28: | private ?string $className, |
29: | private ?string $traitName, |
30: | private ?string $function, |
31: | private ?string $method, |
32: | ) |
33: | { |
34: | } |
35: | |
36: | public static function fromScope(Scope $scope): self |
37: | { |
38: | return new self( |
39: | $scope->getFile(), |
40: | $scope->getNamespace(), |
41: | $scope->isInClass() ? $scope->getClassReflection()->getName() : null, |
42: | $scope->isInTrait() ? $scope->getTraitReflection()->getName() : null, |
43: | $scope->isInAnonymousFunction() ? '{closure}' : ($scope->getFunction() !== null ? $scope->getFunction()->getName() : null), |
44: | $scope->isInAnonymousFunction() ? '{closure}' : ($scope->getFunction() instanceof MethodReflection |
45: | ? sprintf('%s::%s', $scope->getFunction()->getDeclaringClass()->getName(), $scope->getFunction()->getName()) |
46: | : ($scope->getFunction() instanceof FunctionReflection ? $scope->getFunction()->getName() : null)), |
47: | ); |
48: | } |
49: | |
50: | |
51: | |
52: | |
53: | private static function parseNamespace(string $name): ?string |
54: | { |
55: | $parts = explode('\\', $name); |
56: | if (count($parts) > 1) { |
57: | $ns = implode('\\', array_slice($parts, 0, -1)); |
58: | if ($ns === '') { |
59: | throw new ShouldNotHappenException('Namespace cannot be empty.'); |
60: | } |
61: | return $ns; |
62: | } |
63: | |
64: | return null; |
65: | } |
66: | |
67: | public static function fromClassReflection(ClassReflection $classReflection): self |
68: | { |
69: | return self::fromClass($classReflection->getName(), $classReflection->getFileName()); |
70: | } |
71: | |
72: | public static function fromClass(string $className, ?string $fileName): self |
73: | { |
74: | return new self( |
75: | $fileName, |
76: | self::parseNamespace($className), |
77: | $className, |
78: | null, |
79: | null, |
80: | null, |
81: | ); |
82: | } |
83: | |
84: | public static function fromReflectionParameter(ReflectionParameter $parameter): self |
85: | { |
86: | $declaringFunction = $parameter->getDeclaringFunction(); |
87: | if ($declaringFunction instanceof ReflectionFunction) { |
88: | $file = $declaringFunction->getFileName(); |
89: | return new self( |
90: | $file === false ? null : $file, |
91: | self::parseNamespace($declaringFunction->getName()), |
92: | null, |
93: | null, |
94: | $declaringFunction->getName(), |
95: | $declaringFunction->getName(), |
96: | ); |
97: | } |
98: | |
99: | $file = $declaringFunction->getFileName(); |
100: | |
101: | $betterReflection = $declaringFunction->getBetterReflection(); |
102: | |
103: | return new self( |
104: | $file === false ? null : $file, |
105: | self::parseNamespace($betterReflection->getDeclaringClass()->getName()), |
106: | $declaringFunction->getDeclaringClass()->getName(), |
107: | $betterReflection->getDeclaringClass()->isTrait() ? $betterReflection->getDeclaringClass()->getName() : null, |
108: | $declaringFunction->getName(), |
109: | sprintf('%s::%s', $declaringFunction->getDeclaringClass()->getName(), $declaringFunction->getName()), |
110: | ); |
111: | } |
112: | |
113: | public static function fromStubParameter( |
114: | ?string $className, |
115: | string $stubFile, |
116: | ClassMethod|Function_ $function, |
117: | ): self |
118: | { |
119: | $namespace = null; |
120: | if ($className !== null) { |
121: | $namespace = self::parseNamespace($className); |
122: | } else { |
123: | if ($function instanceof Function_ && $function->namespacedName !== null) { |
124: | $namespace = self::parseNamespace($function->namespacedName->toString()); |
125: | } |
126: | } |
127: | return new self( |
128: | $stubFile, |
129: | $namespace, |
130: | $className, |
131: | null, |
132: | $function instanceof Function_ && $function->namespacedName !== null ? $function->namespacedName->toString() : ($function instanceof ClassMethod ? $function->name->toString() : null), |
133: | $function instanceof ClassMethod && $className !== null |
134: | ? sprintf('%s::%s', $className, $function->name->toString()) |
135: | : ($function instanceof Function_ && $function->namespacedName !== null ? $function->namespacedName->toString() : null), |
136: | ); |
137: | } |
138: | |
139: | public static function fromGlobalConstant(ReflectionConstant $constant): self |
140: | { |
141: | return new self( |
142: | $constant->getFileName(), |
143: | $constant->getNamespaceName(), |
144: | null, |
145: | null, |
146: | null, |
147: | null, |
148: | ); |
149: | } |
150: | |
151: | public static function createEmpty(): self |
152: | { |
153: | return new self(null, null, null, null, null, null); |
154: | } |
155: | |
156: | public function getFile(): ?string |
157: | { |
158: | return $this->file; |
159: | } |
160: | |
161: | public function getClassName(): ?string |
162: | { |
163: | return $this->className; |
164: | } |
165: | |
166: | public function getNamespace(): ?string |
167: | { |
168: | return $this->namespace; |
169: | } |
170: | |
171: | public function getTraitName(): ?string |
172: | { |
173: | return $this->traitName; |
174: | } |
175: | |
176: | public function getFunction(): ?string |
177: | { |
178: | return $this->function; |
179: | } |
180: | |
181: | public function getMethod(): ?string |
182: | { |
183: | return $this->method; |
184: | } |
185: | |
186: | } |
187: | |