/
Type.php
198 lines (170 loc) · 4.28 KB
/
Type.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
<?php declare(strict_types=1);
/*
* This file is part of sebastian/type.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace SebastianBergmann\Type;
use function gettype;
use function strtolower;
abstract class Type
{
public static function fromValue(mixed $value, bool $allowsNull): self
{
if ($allowsNull === false) {
if ($value === true) {
return new TrueType;
}
if ($value === false) {
return new FalseType;
}
}
$typeName = gettype($value);
if ($typeName === 'object') {
return new ObjectType(TypeName::fromQualifiedName($value::class), $allowsNull);
}
$type = self::fromName($typeName, $allowsNull);
if ($type instanceof SimpleType) {
$type = new SimpleType($typeName, $allowsNull, $value);
}
return $type;
}
/**
* @psalm-param non-empty-string $typeName
*/
public static function fromName(string $typeName, bool $allowsNull): self
{
return match (strtolower($typeName)) {
'callable' => new CallableType($allowsNull),
'true' => new TrueType,
'false' => new FalseType,
'iterable' => new IterableType($allowsNull),
'never' => new NeverType,
'null' => new NullType,
'object' => new GenericObjectType($allowsNull),
'unknown type' => new UnknownType,
'void' => new VoidType,
'array', 'bool', 'boolean', 'double', 'float', 'int', 'integer', 'real', 'resource', 'resource (closed)', 'string' => new SimpleType($typeName, $allowsNull),
'mixed' => new MixedType,
default => new ObjectType(TypeName::fromQualifiedName($typeName), $allowsNull),
};
}
public function asString(): string
{
return ($this->allowsNull() ? '?' : '') . $this->name();
}
/**
* @psalm-assert-if-true CallableType $this
*/
public function isCallable(): bool
{
return false;
}
/**
* @psalm-assert-if-true TrueType $this
*/
public function isTrue(): bool
{
return false;
}
/**
* @psalm-assert-if-true FalseType $this
*/
public function isFalse(): bool
{
return false;
}
/**
* @psalm-assert-if-true GenericObjectType $this
*/
public function isGenericObject(): bool
{
return false;
}
/**
* @psalm-assert-if-true IntersectionType $this
*/
public function isIntersection(): bool
{
return false;
}
/**
* @psalm-assert-if-true IterableType $this
*/
public function isIterable(): bool
{
return false;
}
/**
* @psalm-assert-if-true MixedType $this
*/
public function isMixed(): bool
{
return false;
}
/**
* @psalm-assert-if-true NeverType $this
*/
public function isNever(): bool
{
return false;
}
/**
* @psalm-assert-if-true NullType $this
*/
public function isNull(): bool
{
return false;
}
/**
* @psalm-assert-if-true ObjectType $this
*/
public function isObject(): bool
{
return false;
}
/**
* @psalm-assert-if-true SimpleType $this
*/
public function isSimple(): bool
{
return false;
}
/**
* @psalm-assert-if-true StaticType $this
*/
public function isStatic(): bool
{
return false;
}
/**
* @psalm-assert-if-true UnionType $this
*/
public function isUnion(): bool
{
return false;
}
/**
* @psalm-assert-if-true UnknownType $this
*/
public function isUnknown(): bool
{
return false;
}
/**
* @psalm-assert-if-true VoidType $this
*/
public function isVoid(): bool
{
return false;
}
abstract public function isAssignable(self $other): bool;
/**
* @psalm-return non-empty-string
*/
abstract public function name(): string;
abstract public function allowsNull(): bool;
}