forked from vimeo/psalm
-
Notifications
You must be signed in to change notification settings - Fork 0
/
CanAlias.php
165 lines (135 loc) · 5.45 KB
/
CanAlias.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
<?php
namespace Psalm\Internal\Analyzer;
use PhpParser;
use Psalm\Aliases;
use Psalm\CodeLocation;
use Psalm\FileManipulation;
use Psalm\Internal\FileManipulation\FileManipulationBuffer;
use function implode;
use function strtolower;
trait CanAlias
{
/**
* @var array<lowercase-string, string>
*/
private array $aliased_classes = [];
/**
* @var array<lowercase-string, CodeLocation>
*/
private array $aliased_class_locations = [];
/**
* @var array<lowercase-string, string>
*/
private array $aliased_classes_flipped = [];
/**
* @var array<lowercase-string, string>
*/
private array $aliased_classes_flipped_replaceable = [];
/**
* @var array<lowercase-string, non-empty-string>
*/
private array $aliased_functions = [];
/**
* @var array<string, string>
*/
private array $aliased_constants = [];
public function visitUse(PhpParser\Node\Stmt\Use_ $stmt): void
{
$codebase = $this->getCodebase();
foreach ($stmt->uses as $use) {
$use_path = implode('\\', $use->name->parts);
$use_path_lc = strtolower($use_path);
$use_alias = $use->alias->name ?? $use->name->getLast();
$use_alias_lc = strtolower($use_alias);
switch ($use->type !== PhpParser\Node\Stmt\Use_::TYPE_UNKNOWN ? $use->type : $stmt->type) {
case PhpParser\Node\Stmt\Use_::TYPE_FUNCTION:
$this->aliased_functions[$use_alias_lc] = $use_path;
break;
case PhpParser\Node\Stmt\Use_::TYPE_CONSTANT:
$this->aliased_constants[$use_alias] = $use_path;
break;
case PhpParser\Node\Stmt\Use_::TYPE_NORMAL:
$codebase->analyzer->addOffsetReference(
$this->getFilePath(),
(int) $use->getAttribute('startFilePos'),
(int) $use->getAttribute('endFilePos'),
$use_path
);
if ($codebase->collect_locations) {
// register the path
$codebase->use_referencing_locations[$use_path_lc][] =
new CodeLocation($this, $use);
}
if ($codebase->alter_code) {
if (isset($codebase->class_transforms[$use_path_lc])) {
$new_fq_class_name = $codebase->class_transforms[$use_path_lc];
$file_manipulations = [];
$file_manipulations[] = new FileManipulation(
(int) $use->getAttribute('startFilePos'),
(int) $use->getAttribute('endFilePos') + 1,
$new_fq_class_name . ($use->alias ? ' as ' . $use_alias : '')
);
FileManipulationBuffer::add($this->getFilePath(), $file_manipulations);
}
$this->aliased_classes_flipped_replaceable[$use_path_lc] = $use_alias;
}
$this->aliased_classes[$use_alias_lc] = $use_path;
$this->aliased_class_locations[$use_alias_lc] = new CodeLocation($this, $stmt);
$this->aliased_classes_flipped[$use_path_lc] = $use_alias;
break;
}
}
}
public function visitGroupUse(PhpParser\Node\Stmt\GroupUse $stmt): void
{
$use_prefix = implode('\\', $stmt->prefix->parts);
$codebase = $this->getCodebase();
foreach ($stmt->uses as $use) {
$use_path = $use_prefix . '\\' . implode('\\', $use->name->parts);
$use_alias = $use->alias->name ?? $use->name->getLast();
switch ($use->type !== PhpParser\Node\Stmt\Use_::TYPE_UNKNOWN ? $use->type : $stmt->type) {
case PhpParser\Node\Stmt\Use_::TYPE_FUNCTION:
$this->aliased_functions[strtolower($use_alias)] = $use_path;
break;
case PhpParser\Node\Stmt\Use_::TYPE_CONSTANT:
$this->aliased_constants[$use_alias] = $use_path;
break;
case PhpParser\Node\Stmt\Use_::TYPE_NORMAL:
if ($codebase->collect_locations) {
// register the path
$codebase->use_referencing_locations[strtolower($use_path)][] =
new CodeLocation($this, $use);
}
$this->aliased_classes[strtolower($use_alias)] = $use_path;
$this->aliased_classes_flipped[strtolower($use_path)] = $use_alias;
break;
}
}
}
/**
* @psalm-mutation-free
* @return array<lowercase-string, string>
*/
public function getAliasedClassesFlipped(): array
{
return $this->aliased_classes_flipped;
}
/**
* @psalm-mutation-free
* @return array<string, string>
*/
public function getAliasedClassesFlippedReplaceable(): array
{
return $this->aliased_classes_flipped_replaceable;
}
/** @psalm-mutation-free */
public function getAliases(): Aliases
{
return new Aliases(
$this->getNamespace(),
$this->aliased_classes,
$this->aliased_functions,
$this->aliased_constants
);
}
}