1: <?php declare(strict_types = 1);
2:
3: namespace PHPStan\Type\Accessory;
4:
5: use PHPStan\Php\PhpVersion;
6: use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode;
7: use PHPStan\PhpDocParser\Ast\Type\TypeNode;
8: use PHPStan\TrinaryLogic;
9: use PHPStan\Type\AcceptsResult;
10: use PHPStan\Type\BenevolentUnionType;
11: use PHPStan\Type\BooleanType;
12: use PHPStan\Type\CompoundType;
13: use PHPStan\Type\Constant\ConstantArrayType;
14: use PHPStan\Type\Constant\ConstantBooleanType;
15: use PHPStan\Type\Constant\ConstantIntegerType;
16: use PHPStan\Type\ErrorType;
17: use PHPStan\Type\FloatType;
18: use PHPStan\Type\GeneralizePrecision;
19: use PHPStan\Type\IntegerType;
20: use PHPStan\Type\IntersectionType;
21: use PHPStan\Type\IsSuperTypeOfResult;
22: use PHPStan\Type\ObjectWithoutClassType;
23: use PHPStan\Type\StringType;
24: use PHPStan\Type\Traits\MaybeCallableTypeTrait;
25: use PHPStan\Type\Traits\NonArrayTypeTrait;
26: use PHPStan\Type\Traits\NonGenericTypeTrait;
27: use PHPStan\Type\Traits\NonIterableTypeTrait;
28: use PHPStan\Type\Traits\NonObjectTypeTrait;
29: use PHPStan\Type\Traits\NonRemoveableTypeTrait;
30: use PHPStan\Type\Traits\UndecidedComparisonCompoundTypeTrait;
31: use PHPStan\Type\Type;
32: use PHPStan\Type\TypeCombinator;
33: use PHPStan\Type\UnionType;
34: use PHPStan\Type\VerbosityLevel;
35:
36: class AccessoryLowercaseStringType implements CompoundType, AccessoryType
37: {
38:
39: use MaybeCallableTypeTrait;
40: use NonArrayTypeTrait;
41: use NonObjectTypeTrait;
42: use NonIterableTypeTrait;
43: use UndecidedComparisonCompoundTypeTrait;
44: use NonGenericTypeTrait;
45: use NonRemoveableTypeTrait;
46:
47: /** @api */
48: public function __construct()
49: {
50: }
51:
52: public function getReferencedClasses(): array
53: {
54: return [];
55: }
56:
57: public function getObjectClassNames(): array
58: {
59: return [];
60: }
61:
62: public function getObjectClassReflections(): array
63: {
64: return [];
65: }
66:
67: public function getConstantStrings(): array
68: {
69: return [];
70: }
71:
72: public function accepts(Type $type, bool $strictTypes): AcceptsResult
73: {
74: $isLowercaseString = $type->isLowercaseString();
75:
76: if ($isLowercaseString->yes()) {
77: return AcceptsResult::createYes();
78: }
79:
80: if ($type instanceof CompoundType) {
81: return $type->isAcceptedBy($this, $strictTypes);
82: }
83:
84: return new AcceptsResult($isLowercaseString, []);
85: }
86:
87: public function isSuperTypeOf(Type $type): IsSuperTypeOfResult
88: {
89: if ($type instanceof CompoundType) {
90: return $type->isSubTypeOf($this);
91: }
92:
93: if ($this->equals($type)) {
94: return IsSuperTypeOfResult::createYes();
95: }
96:
97: return new IsSuperTypeOfResult($type->isLowercaseString(), []);
98: }
99:
100: public function isSubTypeOf(Type $otherType): IsSuperTypeOfResult
101: {
102: if ($otherType instanceof UnionType || $otherType instanceof IntersectionType) {
103: return $otherType->isSuperTypeOf($this);
104: }
105:
106: return (new IsSuperTypeOfResult($otherType->isLowercaseString(), []))
107: ->and($otherType instanceof self ? IsSuperTypeOfResult::createYes() : IsSuperTypeOfResult::createMaybe());
108: }
109:
110: public function isAcceptedBy(Type $acceptingType, bool $strictTypes): AcceptsResult
111: {
112: return $this->isSubTypeOf($acceptingType)->toAcceptsResult();
113: }
114:
115: public function equals(Type $type): bool
116: {
117: return $type instanceof self;
118: }
119:
120: public function describe(VerbosityLevel $level): string
121: {
122: return 'lowercase-string';
123: }
124:
125: public function isOffsetAccessible(): TrinaryLogic
126: {
127: return TrinaryLogic::createYes();
128: }
129:
130: public function isOffsetAccessLegal(): TrinaryLogic
131: {
132: return TrinaryLogic::createYes();
133: }
134:
135: public function hasOffsetValueType(Type $offsetType): TrinaryLogic
136: {
137: return $offsetType->isInteger()->and(TrinaryLogic::createMaybe());
138: }
139:
140: public function getOffsetValueType(Type $offsetType): Type
141: {
142: if ($this->hasOffsetValueType($offsetType)->no()) {
143: return new ErrorType();
144: }
145:
146: return new IntersectionType([new StringType(), new AccessoryLowercaseStringType()]);
147: }
148:
149: public function setOffsetValueType(?Type $offsetType, Type $valueType, bool $unionValues = true): Type
150: {
151: $stringOffset = (new StringType())->setOffsetValueType($offsetType, $valueType, $unionValues);
152:
153: if ($stringOffset instanceof ErrorType) {
154: return $stringOffset;
155: }
156:
157: if ($valueType->isLowercaseString()->yes()) {
158: return $this;
159: }
160:
161: return new StringType();
162: }
163:
164: public function setExistingOffsetValueType(Type $offsetType, Type $valueType): Type
165: {
166: return $this;
167: }
168:
169: public function unsetOffset(Type $offsetType): Type
170: {
171: return new ErrorType();
172: }
173:
174: public function toNumber(): Type
175: {
176: return new ErrorType();
177: }
178:
179: public function toAbsoluteNumber(): Type
180: {
181: return new ErrorType();
182: }
183:
184: public function toInteger(): Type
185: {
186: return new IntegerType();
187: }
188:
189: public function toFloat(): Type
190: {
191: return new FloatType();
192: }
193:
194: public function toString(): Type
195: {
196: return $this;
197: }
198:
199: public function toBoolean(): BooleanType
200: {
201: return new BooleanType();
202: }
203:
204: public function toArray(): Type
205: {
206: return new ConstantArrayType(
207: [new ConstantIntegerType(0)],
208: [$this],
209: [1],
210: isList: TrinaryLogic::createYes(),
211: );
212: }
213:
214: public function toArrayKey(): Type
215: {
216: return $this;
217: }
218:
219: public function toCoercedArgumentType(bool $strictTypes): Type
220: {
221: if (!$strictTypes) {
222: return TypeCombinator::union($this->toInteger(), $this->toFloat(), $this, $this->toBoolean());
223: }
224:
225: return $this;
226: }
227:
228: public function isNull(): TrinaryLogic
229: {
230: return TrinaryLogic::createNo();
231: }
232:
233: public function isConstantValue(): TrinaryLogic
234: {
235: return TrinaryLogic::createMaybe();
236: }
237:
238: public function isConstantScalarValue(): TrinaryLogic
239: {
240: return TrinaryLogic::createMaybe();
241: }
242:
243: public function getConstantScalarTypes(): array
244: {
245: return [];
246: }
247:
248: public function getConstantScalarValues(): array
249: {
250: return [];
251: }
252:
253: public function isTrue(): TrinaryLogic
254: {
255: return TrinaryLogic::createNo();
256: }
257:
258: public function isFalse(): TrinaryLogic
259: {
260: return TrinaryLogic::createNo();
261: }
262:
263: public function isBoolean(): TrinaryLogic
264: {
265: return TrinaryLogic::createNo();
266: }
267:
268: public function isFloat(): TrinaryLogic
269: {
270: return TrinaryLogic::createNo();
271: }
272:
273: public function isInteger(): TrinaryLogic
274: {
275: return TrinaryLogic::createNo();
276: }
277:
278: public function isString(): TrinaryLogic
279: {
280: return TrinaryLogic::createYes();
281: }
282:
283: public function isNumericString(): TrinaryLogic
284: {
285: return TrinaryLogic::createMaybe();
286: }
287:
288: public function isNonEmptyString(): TrinaryLogic
289: {
290: return TrinaryLogic::createMaybe();
291: }
292:
293: public function isNonFalsyString(): TrinaryLogic
294: {
295: return TrinaryLogic::createMaybe();
296: }
297:
298: public function isLiteralString(): TrinaryLogic
299: {
300: return TrinaryLogic::createMaybe();
301: }
302:
303: public function isLowercaseString(): TrinaryLogic
304: {
305: return TrinaryLogic::createYes();
306: }
307:
308: public function isClassString(): TrinaryLogic
309: {
310: return TrinaryLogic::createMaybe();
311: }
312:
313: public function isUppercaseString(): TrinaryLogic
314: {
315: return TrinaryLogic::createMaybe();
316: }
317:
318: public function getClassStringObjectType(): Type
319: {
320: return new ObjectWithoutClassType();
321: }
322:
323: public function getObjectTypeOrClassStringObjectType(): Type
324: {
325: return new ObjectWithoutClassType();
326: }
327:
328: public function hasMethod(string $methodName): TrinaryLogic
329: {
330: return TrinaryLogic::createMaybe();
331: }
332:
333: public function isVoid(): TrinaryLogic
334: {
335: return TrinaryLogic::createNo();
336: }
337:
338: public function isScalar(): TrinaryLogic
339: {
340: return TrinaryLogic::createYes();
341: }
342:
343: public function looseCompare(Type $type, PhpVersion $phpVersion): BooleanType
344: {
345: if (
346: $type->isString()->yes()
347: && $type->isLowercaseString()->no()
348: && ($type->isNumericString()->no() || $this->isNumericString()->no())
349: ) {
350: return new ConstantBooleanType(false);
351: }
352:
353: return new BooleanType();
354: }
355:
356: public function traverse(callable $cb): Type
357: {
358: return $this;
359: }
360:
361: public function traverseSimultaneously(Type $right, callable $cb): Type
362: {
363: return $this;
364: }
365:
366: public function generalize(GeneralizePrecision $precision): Type
367: {
368: return new StringType();
369: }
370:
371: public function exponentiate(Type $exponent): Type
372: {
373: return new BenevolentUnionType([
374: new FloatType(),
375: new IntegerType(),
376: ]);
377: }
378:
379: public function getFiniteTypes(): array
380: {
381: return [];
382: }
383:
384: public function toPhpDocNode(): TypeNode
385: {
386: return new IdentifierTypeNode('lowercase-string');
387: }
388:
389: public function hasTemplateOrLateResolvableType(): bool
390: {
391: return false;
392: }
393:
394: }
395: