File src/Type/VoidType.php

1:	<?php declare(strict_types = 1);
2:
3:	namespace PHPStan\Type;
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\Traits\FalseyBooleanTypeTrait;
10:	use PHPStan\Type\Traits\NonArrayTypeTrait;
11:	use PHPStan\Type\Traits\NonCallableTypeTrait;
12:	use PHPStan\Type\Traits\NonGeneralizableTypeTrait;
13:	use PHPStan\Type\Traits\NonGenericTypeTrait;
14:	use PHPStan\Type\Traits\NonIterableTypeTrait;
15:	use PHPStan\Type\Traits\NonObjectTypeTrait;
16:	use PHPStan\Type\Traits\NonOffsetAccessibleTypeTrait;
17:	use PHPStan\Type\Traits\NonRemoveableTypeTrait;
18:	use PHPStan\Type\Traits\UndecidedComparisonTypeTrait;
19:
20:	/** @api */
21:	class VoidType implements Type
22:	{
23:
24:	use NonArrayTypeTrait;
25:	use NonCallableTypeTrait;
26:	use NonIterableTypeTrait;
27:	use NonObjectTypeTrait;
28:	use NonOffsetAccessibleTypeTrait;
29:	use FalseyBooleanTypeTrait;
30:	use NonGenericTypeTrait;
31:	use UndecidedComparisonTypeTrait;
32:	use NonRemoveableTypeTrait;
33:	use NonGeneralizableTypeTrait;
34:
35:	/** @api */
36:	public function __construct()
37:	{
38:	}
39:
40:	/**
41:	* @return string[]
42:	*/
43:	public function getReferencedClasses(): array
44:	{
45:	return [];
46:	}
47:
48:	public function getObjectClassNames(): array
49:	{
50:	return [];
51:	}
52:
53:	public function getObjectClassReflections(): array
54:	{
55:	return [];
56:	}
57:
58:	public function accepts(Type $type, bool $strictTypes): TrinaryLogic
59:	{
60:	return $this->acceptsWithReason($type, $strictTypes)->result;
61:	}
62:
63:	public function acceptsWithReason(Type $type, bool $strictTypes): AcceptsResult
64:	{
65:	if ($type instanceof CompoundType) {
66:	return $type->isAcceptedWithReasonBy($this, $strictTypes);
67:	}
68:
69:	return new AcceptsResult($type->isVoid()->or($type->isNull()), []);
70:	}
71:
72:	public function isSuperTypeOf(Type $type): TrinaryLogic
73:	{
74:	if ($type instanceof self) {
75:	return TrinaryLogic::createYes();
76:	}
77:
78:	if ($type instanceof CompoundType) {
79:	return $type->isSubTypeOf($this);
80:	}
81:
82:	return TrinaryLogic::createNo();
83:	}
84:
85:	public function equals(Type $type): bool
86:	{
87:	return $type instanceof self;
88:	}
89:
90:	public function describe(VerbosityLevel $level): string
91:	{
92:	return 'void';
93:	}
94:
95:	public function toNumber(): Type
96:	{
97:	return new ErrorType();
98:	}
99:
100:	public function toString(): Type
101:	{
102:	return new ErrorType();
103:	}
104:
105:	public function toInteger(): Type
106:	{
107:	return new ErrorType();
108:	}
109:
110:	public function toFloat(): Type
111:	{
112:	return new ErrorType();
113:	}
114:
115:	public function toArray(): Type
116:	{
117:	return new ErrorType();
118:	}
119:
120:	public function toArrayKey(): Type
121:	{
122:	return new ErrorType();
123:	}
124:
125:	public function isNull(): TrinaryLogic
126:	{
127:	return TrinaryLogic::createNo();
128:	}
129:
130:	public function isConstantValue(): TrinaryLogic
131:	{
132:	return TrinaryLogic::createNo();
133:	}
134:
135:	public function isConstantScalarValue(): TrinaryLogic
136:	{
137:	return TrinaryLogic::createNo();
138:	}
139:
140:	public function getConstantScalarTypes(): array
141:	{
142:	return [];
143:	}
144:
145:	public function getConstantScalarValues(): array
146:	{
147:	return [];
148:	}
149:
150:	public function isTrue(): TrinaryLogic
151:	{
152:	return TrinaryLogic::createNo();
153:	}
154:
155:	public function isFalse(): TrinaryLogic
156:	{
157:	return TrinaryLogic::createNo();
158:	}
159:
160:	public function isBoolean(): TrinaryLogic
161:	{
162:	return TrinaryLogic::createNo();
163:	}
164:
165:	public function isFloat(): TrinaryLogic
166:	{
167:	return TrinaryLogic::createNo();
168:	}
169:
170:	public function isInteger(): TrinaryLogic
171:	{
172:	return TrinaryLogic::createNo();
173:	}
174:
175:	public function isString(): TrinaryLogic
176:	{
177:	return TrinaryLogic::createNo();
178:	}
179:
180:	public function isNumericString(): TrinaryLogic
181:	{
182:	return TrinaryLogic::createNo();
183:	}
184:
185:	public function isNonEmptyString(): TrinaryLogic
186:	{
187:	return TrinaryLogic::createNo();
188:	}
189:
190:	public function isNonFalsyString(): TrinaryLogic
191:	{
192:	return TrinaryLogic::createNo();
193:	}
194:
195:	public function isLiteralString(): TrinaryLogic
196:	{
197:	return TrinaryLogic::createNo();
198:	}
199:
200:	public function isClassStringType(): TrinaryLogic
201:	{
202:	return TrinaryLogic::createNo();
203:	}
204:
205:	public function getClassStringObjectType(): Type
206:	{
207:	return new ErrorType();
208:	}
209:
210:	public function getObjectTypeOrClassStringObjectType(): Type
211:	{
212:	return new ErrorType();
213:	}
214:
215:	public function isVoid(): TrinaryLogic
216:	{
217:	return TrinaryLogic::createYes();
218:	}
219:
220:	public function isScalar(): TrinaryLogic
221:	{
222:	return TrinaryLogic::createNo();
223:	}
224:
225:	public function looseCompare(Type $type, PhpVersion $phpVersion): BooleanType
226:	{
227:	return new BooleanType();
228:	}
229:
230:	public function traverse(callable $cb): Type
231:	{
232:	return $this;
233:	}
234:
235:	public function traverseSimultaneously(Type $right, callable $cb): Type
236:	{
237:	return $this;
238:	}
239:
240:	public function exponentiate(Type $exponent): Type
241:	{
242:	return new ErrorType();
243:	}
244:
245:	public function getFiniteTypes(): array
246:	{
247:	return [];
248:	}
249:
250:	public function toPhpDocNode(): TypeNode
251:	{
252:	return new IdentifierTypeNode('void');
253:	}
254:
255:	/**
256:	* @param mixed[] $properties
257:	*/
258:	public static function __set_state(array $properties): Type
259:	{
260:	return new self();
261:	}
262:
263:	}
264:

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