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: | |
20: | |
21: | |
22: | class InitializerExprContext implements NamespaceAnswerer |
23: | { |
24: | |
25: | |
26: | |
27: | |
28: | private function __construct( |
29: | private ?string $file, |
30: | private ?string $namespace, |
31: | private ?string $className, |
32: | private ?string $traitName, |
33: | private ?string $function, |
34: | private ?string $method, |
35: | ) |
36: | { |
37: | } |
38: | |
39: | public static function fromScope(Scope $scope): self |
40: | { |
41: | return new self( |
42: | $scope->getFile(), |
43: | $scope->getNamespace(), |
44: | $scope->isInClass() ? $scope->getClassReflection()->getName() : null, |
45: | $scope->isInTrait() ? $scope->getTraitReflection()->getName() : null, |
46: | $scope->isInAnonymousFunction() ? '{closure}' : ($scope->getFunction() !== null ? $scope->getFunction()->getName() : null), |
47: | $scope->isInAnonymousFunction() ? '{closure}' : ($scope->getFunction() instanceof MethodReflection |
48: | ? sprintf('%s::%s', $scope->getFunction()->getDeclaringClass()->getName(), $scope->getFunction()->getName()) |
49: | : ($scope->getFunction() instanceof FunctionReflection ? $scope->getFunction()->getName() : null)), |
50: | ); |
51: | } |
52: | |
53: | |
54: | |
55: | |
56: | private static function parseNamespace(string $name): ?string |
57: | { |
58: | $parts = explode('\\', $name); |
59: | if (count($parts) > 1) { |
60: | $ns = implode('\\', array_slice($parts, 0, -1)); |
61: | if ($ns === '') { |
62: | throw new ShouldNotHappenException('Namespace cannot be empty.'); |
63: | } |
64: | return $ns; |
65: | } |
66: | |
67: | return null; |
68: | } |
69: | |
70: | public static function fromClassReflection(ClassReflection $classReflection): self |
71: | { |
72: | return self::fromClass($classReflection->getName(), $classReflection->getFileName()); |
73: | } |
74: | |
75: | public static function fromClass(string $className, ?string $fileName): self |
76: | { |
77: | return new self( |
78: | $fileName, |
79: | self::parseNamespace($className), |
80: | $className, |
81: | null, |
82: | null, |
83: | null, |
84: | ); |
85: | } |
86: | |
87: | public static function fromReflectionParameter(ReflectionParameter $parameter): self |
88: | { |
89: | $declaringFunction = $parameter->getDeclaringFunction(); |
90: | if ($declaringFunction instanceof ReflectionFunction) { |
91: | $file = $declaringFunction->getFileName(); |
92: | return new self( |
93: | $file === false ? null : $file, |
94: | self::parseNamespace($declaringFunction->getName()), |
95: | null, |
96: | null, |
97: | $declaringFunction->getName(), |
98: | $declaringFunction->getName(), |
99: | ); |
100: | } |
101: | |
102: | $file = $declaringFunction->getFileName(); |
103: | |
104: | $betterReflection = $declaringFunction->getBetterReflection(); |
105: | |
106: | return new self( |
107: | $file === false ? null : $file, |
108: | self::parseNamespace($betterReflection->getDeclaringClass()->getName()), |
109: | $declaringFunction->getDeclaringClass()->getName(), |
110: | $betterReflection->getDeclaringClass()->isTrait() ? $betterReflection->getDeclaringClass()->getName() : null, |
111: | $declaringFunction->getName(), |
112: | sprintf('%s::%s', $declaringFunction->getDeclaringClass()->getName(), $declaringFunction->getName()), |
113: | ); |
114: | } |
115: | |
116: | public static function fromStubParameter( |
117: | ?string $className, |
118: | string $stubFile, |
119: | ClassMethod|Function_ $function, |
120: | ): self |
121: | { |
122: | $namespace = null; |
123: | if ($className !== null) { |
124: | $namespace = self::parseNamespace($className); |
125: | } else { |
126: | if ($function instanceof Function_ && $function->namespacedName !== null) { |
127: | $namespace = self::parseNamespace($function->namespacedName->toString()); |
128: | } |
129: | } |
130: | return new self( |
131: | $stubFile, |
132: | $namespace, |
133: | $className, |
134: | null, |
135: | $function instanceof Function_ && $function->namespacedName !== null ? $function->namespacedName->toString() : ($function instanceof ClassMethod ? $function->name->toString() : null), |
136: | $function instanceof ClassMethod && $className !== null |
137: | ? sprintf('%s::%s', $className, $function->name->toString()) |
138: | : ($function instanceof Function_ && $function->namespacedName !== null ? $function->namespacedName->toString() : null), |
139: | ); |
140: | } |
141: | |
142: | public static function fromGlobalConstant(ReflectionConstant $constant): self |
143: | { |
144: | return new self( |
145: | $constant->getFileName(), |
146: | $constant->getNamespaceName(), |
147: | null, |
148: | null, |
149: | null, |
150: | null, |
151: | ); |
152: | } |
153: | |
154: | public static function createEmpty(): self |
155: | { |
156: | return new self(null, null, null, null, null, null); |
157: | } |
158: | |
159: | public function getFile(): ?string |
160: | { |
161: | return $this->file; |
162: | } |
163: | |
164: | public function getClassName(): ?string |
165: | { |
166: | return $this->className; |
167: | } |
168: | |
169: | public function getNamespace(): ?string |
170: | { |
171: | return $this->namespace; |
172: | } |
173: | |
174: | public function getTraitName(): ?string |
175: | { |
176: | return $this->traitName; |
177: | } |
178: | |
179: | public function getFunction(): ?string |
180: | { |
181: | return $this->function; |
182: | } |
183: | |
184: | public function getMethod(): ?string |
185: | { |
186: | return $this->method; |
187: | } |
188: | |
189: | } |
190: | |