|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
declare(strict_types=1); |
|
4
|
|
|
|
|
5
|
|
|
namespace SavinMikhail\CommentsDensity\MissingDocblock\Visitors; |
|
6
|
|
|
|
|
7
|
|
|
use PhpParser\Node; |
|
8
|
|
|
use PhpParser\Node\Expr\New_; |
|
9
|
|
|
use PhpParser\Node\Expr\Throw_; |
|
10
|
|
|
use PhpParser\Node\Expr\Variable; |
|
11
|
|
|
use PhpParser\Node\Stmt\Catch_; |
|
12
|
|
|
use PhpParser\Node\Stmt\TryCatch; |
|
13
|
|
|
use ReflectionClass; |
|
14
|
|
|
|
|
15
|
|
|
final class ExceptionChecker |
|
16
|
|
|
{ |
|
17
|
|
|
private array $tryCatchStack = []; |
|
18
|
|
|
public bool $hasUncaughtThrows = false; |
|
19
|
|
|
|
|
20
|
10 |
|
public function checkIfExceptionIsCaught(Throw_ $node): void |
|
21
|
|
|
{ |
|
22
|
10 |
|
if (!$this->isInTryBlock($node)) { |
|
23
|
4 |
|
$this->hasUncaughtThrows = true; |
|
24
|
7 |
|
} elseif (!$this->isExceptionCaught($node)) { |
|
25
|
2 |
|
$this->hasUncaughtThrows = true; |
|
26
|
5 |
|
} elseif ($this->isInCatchBlock($node) && !$this->isRethrowingCaughtException($node)) { |
|
27
|
|
|
$this->hasUncaughtThrows = true; |
|
28
|
|
|
} |
|
29
|
|
|
} |
|
30
|
|
|
|
|
31
|
7 |
|
public function pushTryCatch(TryCatch $node): void |
|
32
|
|
|
{ |
|
33
|
7 |
|
$this->tryCatchStack[] = $node; |
|
34
|
|
|
} |
|
35
|
|
|
|
|
36
|
7 |
|
public function popTryCatch(): void |
|
37
|
|
|
{ |
|
38
|
7 |
|
array_pop($this->tryCatchStack); |
|
39
|
|
|
} |
|
40
|
|
|
|
|
41
|
5 |
|
private function isInCatchBlock(Throw_ $node): bool |
|
42
|
|
|
{ |
|
43
|
5 |
|
foreach ($this->getCurrentCatchStack() as $catch) { |
|
44
|
5 |
|
if ($this->nodeIsWithin($node, $catch)) { |
|
45
|
|
|
return true; |
|
46
|
|
|
} |
|
47
|
|
|
} |
|
48
|
5 |
|
return false; |
|
49
|
|
|
} |
|
50
|
|
|
|
|
51
|
10 |
|
private function isInTryBlock(Throw_ $node): bool |
|
52
|
|
|
{ |
|
53
|
10 |
|
foreach ($this->tryCatchStack as $tryCatch) { |
|
54
|
7 |
|
foreach ($tryCatch->stmts as $stmt) { |
|
55
|
7 |
|
if ($this->nodeIsWithin($node, $stmt)) { |
|
56
|
7 |
|
return true; |
|
57
|
|
|
} |
|
58
|
|
|
} |
|
59
|
|
|
} |
|
60
|
4 |
|
return false; |
|
61
|
|
|
} |
|
62
|
|
|
|
|
63
|
|
|
private function isRethrowingCaughtException(Throw_ $throwNode): bool |
|
64
|
|
|
{ |
|
65
|
|
|
$throwExpr = $throwNode->expr; |
|
66
|
|
|
|
|
67
|
|
|
if (!$throwExpr instanceof Variable) { |
|
68
|
|
|
return false; |
|
69
|
|
|
} |
|
70
|
|
|
|
|
71
|
|
|
foreach ($this->getCurrentCatchStack() as $catch) { |
|
72
|
|
|
if ($catch->var instanceof Variable && $catch->var->name === $throwExpr->name) { |
|
73
|
|
|
return true; |
|
74
|
|
|
} |
|
75
|
|
|
} |
|
76
|
|
|
|
|
77
|
|
|
return false; |
|
78
|
|
|
} |
|
79
|
|
|
|
|
80
|
7 |
|
private function nodeIsWithin(Node $node, Node $container): bool |
|
81
|
|
|
{ |
|
82
|
7 |
|
return $node->getStartFilePos() >= $container->getStartFilePos() && |
|
83
|
7 |
|
$node->getEndFilePos() <= $container->getEndFilePos(); |
|
84
|
|
|
} |
|
85
|
|
|
|
|
86
|
7 |
|
private function getExceptionFQN(Throw_ $throwNode): string |
|
87
|
|
|
{ |
|
88
|
7 |
|
$throwExpr = $throwNode->expr; |
|
89
|
|
|
|
|
90
|
7 |
|
if ($throwExpr instanceof Variable) { |
|
91
|
2 |
|
$thrownExceptionType = $throwExpr->name; |
|
92
|
5 |
|
} elseif ($throwExpr instanceof New_) { |
|
93
|
5 |
|
$thrownExceptionType = $throwExpr->class->name; |
|
|
|
|
|
|
94
|
|
|
} |
|
95
|
|
|
|
|
96
|
7 |
|
if ($thrownExceptionType[0] !== '\\') { |
|
|
|
|
|
|
97
|
5 |
|
$thrownExceptionType = '\\' . $thrownExceptionType; |
|
98
|
|
|
} |
|
99
|
|
|
|
|
100
|
7 |
|
return $thrownExceptionType; |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
7 |
|
private function isExceptionCaught(Throw_ $throwNode): bool |
|
104
|
|
|
{ |
|
105
|
7 |
|
$thrownExceptionType = $this->getExceptionFQN($throwNode); |
|
106
|
|
|
|
|
107
|
7 |
|
foreach ($this->getCurrentCatchStack() as $catch) { |
|
108
|
7 |
|
foreach ($catch->types as $catchType) { |
|
109
|
7 |
|
$catchTypeName = $catchType->name; |
|
110
|
7 |
|
if (!$catchType->isQualified()) { |
|
111
|
7 |
|
$catchTypeName = '\\' . $catchTypeName; |
|
112
|
|
|
} |
|
113
|
|
|
|
|
114
|
|
|
if ( |
|
115
|
7 |
|
$this->isSubclassOf($thrownExceptionType, $catchTypeName) |
|
116
|
7 |
|
|| $catchType->name === 'Throwable' |
|
117
|
|
|
) { |
|
118
|
5 |
|
return true; |
|
119
|
|
|
} |
|
120
|
|
|
} |
|
121
|
|
|
} |
|
122
|
|
|
|
|
123
|
2 |
|
return false; |
|
124
|
|
|
} |
|
125
|
|
|
|
|
126
|
|
|
/** @return Catch_[] */ |
|
127
|
7 |
|
private function getCurrentCatchStack(): array |
|
128
|
|
|
{ |
|
129
|
7 |
|
$catchStack = []; |
|
130
|
7 |
|
foreach ($this->tryCatchStack as $tryCatch) { |
|
131
|
7 |
|
$catchStack = array_merge($catchStack, $tryCatch->catches); |
|
132
|
|
|
} |
|
133
|
7 |
|
return $catchStack; |
|
134
|
|
|
} |
|
135
|
|
|
|
|
136
|
7 |
|
private function isSubclassOf(?string $className, string $parentClassName): bool |
|
137
|
|
|
{ |
|
138
|
7 |
|
if ($className === null) { |
|
139
|
|
|
return false; |
|
140
|
|
|
} |
|
141
|
|
|
|
|
142
|
7 |
|
if (!class_exists($className) || !class_exists($parentClassName)) { |
|
143
|
3 |
|
return false; |
|
144
|
|
|
} |
|
145
|
|
|
|
|
146
|
6 |
|
$reflectionClass = new ReflectionClass($className); |
|
147
|
6 |
|
return $reflectionClass->isSubclassOf($parentClassName) || $className === $parentClassName; |
|
148
|
|
|
} |
|
149
|
|
|
} |
|
150
|
|
|
|
savinmikhail /
Comments-Density
Loading history...