/
CachingVisitor.php
154 lines (125 loc) · 3.91 KB
/
CachingVisitor.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
<?php declare(strict_types = 1);
namespace PHPStan\Reflection\BetterReflection\SourceLocator;
use PhpParser\Node;
use PhpParser\Node\Stmt\Namespace_;
use PhpParser\NodeTraverser;
use PhpParser\NodeVisitorAbstract;
use PHPStan\BetterReflection\Reflection\Exception\InvalidConstantNode;
use PHPStan\BetterReflection\SourceLocator\Located\LocatedSource;
use PHPStan\BetterReflection\Util\ConstantNodeChecker;
use PHPStan\Reflection\ConstantNameHelper;
use function strtolower;
class CachingVisitor extends NodeVisitorAbstract
{
private string $fileName;
private string $contents;
/** @var array<string, array<FetchedNode<Node\Stmt\ClassLike>>> */
private array $classNodes;
/** @var array<string, array<FetchedNode<Node\Stmt\Function_>>> */
private array $functionNodes;
/** @var array<string, array<FetchedNode<Node\Stmt\Const_|Node\Expr\FuncCall>>> */
private array $constantNodes;
private ?Node\Stmt\Namespace_ $currentNamespaceNode = null;
public function enterNode(Node $node): ?int
{
if ($node instanceof Namespace_) {
$this->currentNamespaceNode = $node;
}
if ($node instanceof Node\Stmt\ClassLike) {
if ($node->name !== null) {
$fullClassName = $node->name->toString();
if ($this->currentNamespaceNode !== null && $this->currentNamespaceNode->name !== null) {
$fullClassName = $this->currentNamespaceNode->name . '\\' . $fullClassName;
}
$this->classNodes[strtolower($fullClassName)][] = new FetchedNode(
$node,
$this->currentNamespaceNode,
new LocatedSource($this->contents, $fullClassName, $this->fileName),
);
}
return NodeTraverser::DONT_TRAVERSE_CHILDREN;
}
if ($node instanceof Node\Stmt\Function_) {
if ($node->namespacedName !== null) {
$functionName = $node->namespacedName->toString();
$this->functionNodes[strtolower($functionName)][] = new FetchedNode(
$node,
$this->currentNamespaceNode,
new LocatedSource($this->contents, $functionName, $this->fileName),
);
}
return NodeTraverser::DONT_TRAVERSE_CHILDREN;
}
if ($node instanceof Node\Stmt\Const_) {
foreach ($node->consts as $const) {
if ($const->namespacedName === null) {
continue;
}
$this->constantNodes[ConstantNameHelper::normalize($const->namespacedName->toString())][] = new FetchedNode(
$node,
$this->currentNamespaceNode,
new LocatedSource($this->contents, null, $this->fileName),
);
}
return NodeTraverser::DONT_TRAVERSE_CHILDREN;
}
if ($node instanceof Node\Expr\FuncCall) {
try {
ConstantNodeChecker::assertValidDefineFunctionCall($node);
} catch (InvalidConstantNode) {
return null;
}
/** @var Node\Scalar\String_ $nameNode */
$nameNode = $node->getArgs()[0]->value;
$constantName = $nameNode->value;
$constantNode = new FetchedNode(
$node,
$this->currentNamespaceNode,
new LocatedSource($this->contents, $constantName, $this->fileName),
);
$this->constantNodes[ConstantNameHelper::normalize($constantName)][] = $constantNode;
return NodeTraverser::DONT_TRAVERSE_CHILDREN;
}
return null;
}
/**
* @return null
*/
public function leaveNode(Node $node)
{
if (!$node instanceof Namespace_) {
return null;
}
$this->currentNamespaceNode = null;
return null;
}
/**
* @return array<string, array<FetchedNode<Node\Stmt\ClassLike>>>
*/
public function getClassNodes(): array
{
return $this->classNodes;
}
/**
* @return array<string, array<FetchedNode<Node\Stmt\Function_>>>
*/
public function getFunctionNodes(): array
{
return $this->functionNodes;
}
/**
* @return array<string, array<FetchedNode<Node\Stmt\Const_|Node\Expr\FuncCall>>>
*/
public function getConstantNodes(): array
{
return $this->constantNodes;
}
public function reset(string $fileName, string $contents): void
{
$this->classNodes = [];
$this->functionNodes = [];
$this->constantNodes = [];
$this->fileName = $fileName;
$this->contents = $contents;
}
}