/
NameScope.php
220 lines (186 loc) · 4.98 KB
/
NameScope.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
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
<?php declare(strict_types = 1);
namespace PHPStan\Analyser;
use PHPStan\Type\Generic\TemplateTypeMap;
use PHPStan\Type\Generic\TemplateTypeScope;
use PHPStan\Type\Type;
use function array_key_exists;
use function array_merge;
use function array_shift;
use function count;
use function explode;
use function implode;
use function ltrim;
use function sprintf;
use function strpos;
use function strtolower;
/** @api */
class NameScope
{
private TemplateTypeMap $templateTypeMap;
/**
* @api
* @param array<string, string> $uses alias(string) => fullName(string)
* @param array<string, string> $constUses alias(string) => fullName(string)
* @param array<string, true> $typeAliasesMap
*/
public function __construct(private ?string $namespace, private array $uses, private ?string $className = null, private ?string $functionName = null, ?TemplateTypeMap $templateTypeMap = null, private array $typeAliasesMap = [], private bool $bypassTypeAliases = false, private array $constUses = [])
{
$this->templateTypeMap = $templateTypeMap ?? TemplateTypeMap::createEmpty();
}
public function getNamespace(): ?string
{
return $this->namespace;
}
/**
* @return array<string, string>
*/
public function getUses(): array
{
return $this->uses;
}
public function hasUseAlias(string $name): bool
{
return isset($this->uses[strtolower($name)]);
}
/**
* @return array<string, string>
*/
public function getConstUses(): array
{
return $this->constUses;
}
public function getClassName(): ?string
{
return $this->className;
}
public function resolveStringName(string $name): string
{
if (strpos($name, '\\') === 0) {
return ltrim($name, '\\');
}
$nameParts = explode('\\', $name);
$firstNamePart = strtolower($nameParts[0]);
if (isset($this->uses[$firstNamePart])) {
if (count($nameParts) === 1) {
return $this->uses[$firstNamePart];
}
array_shift($nameParts);
return sprintf('%s\\%s', $this->uses[$firstNamePart], implode('\\', $nameParts));
}
if ($this->namespace !== null) {
return sprintf('%s\\%s', $this->namespace, $name);
}
return $name;
}
/**
* @return non-empty-list<string>
*/
public function resolveConstantNames(string $name): array
{
if (strpos($name, '\\') === 0) {
return [ltrim($name, '\\')];
}
$nameParts = explode('\\', $name);
$firstNamePart = strtolower($nameParts[0]);
if (count($nameParts) > 1) {
if (isset($this->uses[$firstNamePart])) {
array_shift($nameParts);
return [sprintf('%s\\%s', $this->uses[$firstNamePart], implode('\\', $nameParts))];
}
} elseif (isset($this->constUses[$firstNamePart])) {
return [$this->constUses[$firstNamePart]];
}
if ($this->namespace !== null) {
return [
sprintf('%s\\%s', $this->namespace, $name),
$name,
];
}
return [$name];
}
public function getTemplateTypeScope(): ?TemplateTypeScope
{
if ($this->className !== null) {
if ($this->functionName !== null) {
return TemplateTypeScope::createWithMethod($this->className, $this->functionName);
}
return TemplateTypeScope::createWithClass($this->className);
}
if ($this->functionName !== null) {
return TemplateTypeScope::createWithFunction($this->functionName);
}
return null;
}
public function getTemplateTypeMap(): TemplateTypeMap
{
return $this->templateTypeMap;
}
public function resolveTemplateTypeName(string $name): ?Type
{
return $this->templateTypeMap->getType($name);
}
public function withTemplateTypeMap(TemplateTypeMap $map): self
{
if ($map->isEmpty() && $this->templateTypeMap->isEmpty()) {
return $this;
}
return new self(
$this->namespace,
$this->uses,
$this->className,
$this->functionName,
new TemplateTypeMap(array_merge(
$this->templateTypeMap->getTypes(),
$map->getTypes(),
)),
$this->typeAliasesMap,
$this->bypassTypeAliases,
$this->constUses,
);
}
public function unsetTemplateType(string $name): self
{
$map = $this->templateTypeMap;
if (!$map->hasType($name)) {
return $this;
}
return new self(
$this->namespace,
$this->uses,
$this->className,
$this->functionName,
$this->templateTypeMap->unsetType($name),
$this->typeAliasesMap,
$this->bypassTypeAliases,
$this->constUses,
);
}
public function bypassTypeAliases(): self
{
return new self($this->namespace, $this->uses, $this->className, $this->functionName, $this->templateTypeMap, $this->typeAliasesMap, true, $this->constUses);
}
public function shouldBypassTypeAliases(): bool
{
return $this->bypassTypeAliases;
}
public function hasTypeAlias(string $alias): bool
{
return array_key_exists($alias, $this->typeAliasesMap);
}
/**
* @param mixed[] $properties
*/
public static function __set_state(array $properties): self
{
return new self(
$properties['namespace'],
$properties['uses'],
$properties['className'],
$properties['functionName'],
$properties['templateTypeMap'],
$properties['typeAliasesMap'],
$properties['bypassTypeAliases'],
$properties['constUses'],
);
}
}