1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Imanghafoori\LaravelMicroscope\Analyzers; |
4
|
|
|
|
5
|
|
|
class FunctionCall |
6
|
|
|
{ |
7
|
|
|
public static function isSolidString($tokens) |
8
|
|
|
{ |
9
|
|
|
[$nextToken,] = TokenManager::getNextToken($tokens, 0); |
|
|
|
|
10
|
|
|
|
11
|
|
|
// we make sure that the string is not concatinated. |
12
|
|
|
return ($tokens[0][0] == T_CONSTANT_ENCAPSED_STRING) && ($nextToken !== '.'); |
13
|
|
|
} |
14
|
|
|
|
15
|
|
|
public static function isGlobalCall($funcName, &$tokens, $i) |
16
|
|
|
{ |
17
|
|
|
$expectedTokens = [ |
18
|
|
|
['('], |
19
|
|
|
[T_STRING, $funcName], |
20
|
|
|
]; |
21
|
|
|
|
22
|
|
|
if (empty($indexes = self::checkTokens($expectedTokens, $tokens, $i))) { |
23
|
|
|
return null; |
24
|
|
|
} |
25
|
|
|
|
26
|
|
|
$index = array_pop($indexes); |
27
|
|
|
[$prev, $p2] = TokenManager::getPrevToken($tokens, $index); |
|
|
|
|
28
|
|
|
$ops = [T_DOUBLE_COLON, T_OBJECT_OPERATOR, T_NEW, T_FUNCTION]; |
29
|
|
|
|
30
|
|
|
if (\in_array($prev[0], $ops)) { |
31
|
|
|
return null; |
32
|
|
|
} |
33
|
|
|
|
34
|
|
|
return $index; |
35
|
|
|
} |
36
|
|
|
|
37
|
|
|
public static function isStaticCall($methodName, &$tokens, $i, $className = null) |
38
|
|
|
{ |
39
|
|
|
$expectedTokens = [ |
40
|
|
|
['('], |
41
|
|
|
[T_STRING, $methodName], |
42
|
|
|
[T_DOUBLE_COLON, '::'], |
43
|
|
|
]; |
44
|
|
|
$className && ($expectedTokens[] = [T_STRING, $className]); |
45
|
|
|
|
46
|
|
|
return self::checkTokens($expectedTokens, $tokens, $i); |
47
|
|
|
} |
48
|
|
|
|
49
|
|
|
public static function isMethodCallOnThis($methodName, &$tokens, $i) |
50
|
|
|
{ |
51
|
|
|
$expectedTokens = [ |
52
|
|
|
['('], |
53
|
|
|
[T_STRING, $methodName], |
54
|
|
|
[T_OBJECT_OPERATOR, '->'], |
55
|
|
|
[T_VARIABLE, '$this'], |
56
|
|
|
]; |
57
|
|
|
|
58
|
|
|
return self::checkTokens($expectedTokens, $tokens, $i); |
59
|
|
|
} |
60
|
|
|
|
61
|
|
|
public static function checkTokens($expectedTokens, &$tokens, $j) |
62
|
|
|
{ |
63
|
|
|
if ($tokens[$j][0] != '(') { |
64
|
|
|
return []; |
65
|
|
|
} |
66
|
|
|
|
67
|
|
|
array_shift($expectedTokens); // remove ( from the array. |
68
|
|
|
|
69
|
|
|
$results = []; |
70
|
|
|
foreach ($expectedTokens as $i => $expectedToken) { |
71
|
|
|
try { |
72
|
|
|
[$actualToken, $j] = TokenManager::getPrevToken($tokens, $j); |
|
|
|
|
73
|
|
|
} catch (\Throwable $e) { |
74
|
|
|
return []; |
75
|
|
|
} |
76
|
|
|
if (! self::isEqual($expectedToken, $actualToken)) { |
77
|
|
|
return []; |
78
|
|
|
} |
79
|
|
|
$results[] = $j; |
80
|
|
|
} |
81
|
|
|
|
82
|
|
|
return $results; |
83
|
|
|
} |
84
|
|
|
|
85
|
|
|
public static function readParameters(&$tokens, $i) |
86
|
|
|
{ |
87
|
|
|
$params = []; |
88
|
|
|
$p = 0; |
89
|
|
|
$level = 1; |
90
|
|
|
while (true) { |
91
|
|
|
[$nextToken, $i] = TokenManager::getNextToken($tokens, $i); |
|
|
|
|
92
|
|
|
|
93
|
|
|
$level = self::level($nextToken, $level); |
94
|
|
|
|
95
|
|
|
if ($level == 0 && $nextToken == ')') { |
96
|
|
|
break; |
97
|
|
|
} |
98
|
|
|
|
99
|
|
|
// Fixes: https://github.com/imanghafoori1/laravel-microscope/issues/135 |
100
|
|
|
// To avoid infinite loop in case of wrong syntax |
101
|
|
|
if ($nextToken == '_') { |
102
|
|
|
break; |
103
|
|
|
} |
104
|
|
|
|
105
|
|
|
if ($level == 1 && $nextToken == ',') { |
106
|
|
|
$p++; |
107
|
|
|
continue; |
108
|
|
|
} |
109
|
|
|
|
110
|
|
|
$params[$p][] = $nextToken; |
111
|
|
|
} |
112
|
|
|
|
113
|
|
|
return $params; |
114
|
|
|
} |
115
|
|
|
|
116
|
|
|
/* public static function readConditions(&$tokens, $i) |
117
|
|
|
{ |
118
|
|
|
$params = []; |
119
|
|
|
$level = 1; |
120
|
|
|
while (true) { |
121
|
|
|
[$nextToken, $i] = self::getNextToken($tokens, $i); |
122
|
|
|
|
123
|
|
|
$level = self::level($nextToken, $level); |
124
|
|
|
|
125
|
|
|
if ($level == 0 && $nextToken == ')') { |
126
|
|
|
break; |
127
|
|
|
} |
128
|
|
|
|
129
|
|
|
$params[] = $nextToken; |
130
|
|
|
} |
131
|
|
|
|
132
|
|
|
return [$params, $i]; |
133
|
|
|
}*/ |
134
|
|
|
|
135
|
|
|
private static function isEqual($expectedToken, $actualToken) |
136
|
|
|
{ |
137
|
|
|
return $expectedToken[0] == $actualToken[0] && ($expectedToken[1] ?? '') == ($actualToken[1] ?? ''); |
138
|
|
|
} |
139
|
|
|
|
140
|
|
|
private static function level($nextToken, $level) |
141
|
|
|
{ |
142
|
|
|
if (\in_array($nextToken[0], ['[', '(', '{', T_CURLY_OPEN])) { |
143
|
|
|
$level++; |
144
|
|
|
} |
145
|
|
|
|
146
|
|
|
if (\in_array($nextToken[0], [']', ')', '}'])) { |
147
|
|
|
$level--; |
148
|
|
|
} |
149
|
|
|
|
150
|
|
|
return $level; |
151
|
|
|
} |
152
|
|
|
} |
153
|
|
|
|
This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.