|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
namespace Imanghafoori\LaravelMicroscope\Analyzers; |
|
4
|
|
|
|
|
5
|
|
|
use Imanghafoori\LaravelMicroscope\Refactors\IfElse; |
|
6
|
|
|
use Imanghafoori\LaravelMicroscope\Refactors\NestedIf; |
|
7
|
|
|
|
|
8
|
|
|
class Ifs |
|
9
|
|
|
{ |
|
10
|
|
|
public static function mergeIfs($tokens, $i) |
|
11
|
|
|
{ |
|
12
|
|
|
$token = $tokens[$i]; |
|
13
|
|
|
|
|
14
|
|
|
if ($token[0] !== T_IF) { |
|
15
|
|
|
return null; |
|
16
|
|
|
} |
|
17
|
|
|
$condition1 = self::readCondition($tokens, $i); |
|
18
|
|
|
|
|
19
|
|
|
[$char, $if1BlockStartIndex] = TokenManager::getNextToken($tokens, $condition1[2]); |
|
|
|
|
|
|
20
|
|
|
// if with no curly brace. |
|
21
|
|
|
if ($char[0] == T_IF) { |
|
22
|
|
|
[$char,] = TokenManager::getNextToken($tokens, $if1BlockStartIndex); |
|
23
|
|
|
$condition2 = self::readCondition($tokens, $if1BlockStartIndex); |
|
24
|
|
|
|
|
25
|
|
|
$if2Body = self::readBody($tokens, $condition2[2]); |
|
26
|
|
|
|
|
27
|
|
|
$afterSecondIf = TokenManager::getNextToken($tokens, $if2Body[2]); |
|
28
|
|
|
|
|
29
|
|
|
if (T_ELSEIF !== $afterSecondIf[0][0] && T_ELSE !== $afterSecondIf[0][0]) { |
|
30
|
|
|
return NestedIf::merge($tokens, $condition1[2], $condition2[0], -1); |
|
31
|
|
|
} |
|
32
|
|
|
} |
|
33
|
|
|
|
|
34
|
|
|
// if with no curly brace. |
|
35
|
|
|
if ($char[0] !== '{') { |
|
36
|
|
|
return null; |
|
37
|
|
|
} |
|
38
|
|
|
|
|
39
|
|
|
$if2index = self::forwardTo($tokens, $if1BlockStartIndex); |
|
40
|
|
|
|
|
41
|
|
|
if ($tokens[$if2index][0] !== T_IF) { |
|
42
|
|
|
return null; |
|
43
|
|
|
} |
|
44
|
|
|
|
|
45
|
|
|
$condition2 = self::readCondition($tokens, $if2index); |
|
46
|
|
|
|
|
47
|
|
|
$if2Body = self::readBody($tokens, $condition2[2]); |
|
48
|
|
|
[, $if1BodyCloseIndex] = TokenManager::readBody($tokens, $if1BlockStartIndex); |
|
|
|
|
|
|
49
|
|
|
$if1closeIndexCandid = self::forwardTo($tokens, $if2Body[2]); |
|
50
|
|
|
|
|
51
|
|
|
if ($if1closeIndexCandid !== $if1BodyCloseIndex) { |
|
52
|
|
|
return null; |
|
53
|
|
|
} |
|
54
|
|
|
|
|
55
|
|
|
$afterFirstIf = TokenManager::getNextToken($tokens, $if1BodyCloseIndex); |
|
56
|
|
|
|
|
57
|
|
|
if (T_ELSEIF == $afterFirstIf[0][0] || T_ELSE == $afterFirstIf[0][0]) { |
|
58
|
|
|
return null; |
|
59
|
|
|
} |
|
60
|
|
|
|
|
61
|
|
|
return NestedIf::merge($tokens, $condition1[2], $condition2[0], $if2Body[2]); |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
|
|
public static function else_If($tokens, $i) |
|
65
|
|
|
{ |
|
66
|
|
|
$token = $tokens[$i]; |
|
67
|
|
|
if ($token[0] !== T_IF) { |
|
68
|
|
|
return null; |
|
69
|
|
|
} |
|
70
|
|
|
|
|
71
|
|
|
$condition = self::readCondition($tokens, $i); |
|
72
|
|
|
|
|
73
|
|
|
$ifBody = self::readBody($tokens, $condition[2]); |
|
74
|
|
|
if (! $ifBody[0]) { |
|
75
|
|
|
return null; |
|
76
|
|
|
} |
|
77
|
|
|
|
|
78
|
|
|
[$afterIf, $afterIfIndex] = TokenManager::getNextToken($tokens, $ifBody[2]); |
|
|
|
|
|
|
79
|
|
|
|
|
80
|
|
|
// in order to cover both } else { and else: syntax. |
|
81
|
|
|
if (T_ELSE !== $afterIf[0] && $tokens[$ifBody[2]][0] !== T_ELSE) { |
|
82
|
|
|
return null; |
|
83
|
|
|
} |
|
84
|
|
|
|
|
85
|
|
|
$elseBody = self::readBody($tokens, $afterIfIndex); |
|
86
|
|
|
|
|
87
|
|
|
if (! $elseBody[0]) { |
|
88
|
|
|
return null; |
|
89
|
|
|
} |
|
90
|
|
|
|
|
91
|
|
|
return IfElse::refactorElseIf($tokens, $ifBody, $elseBody, $condition); |
|
92
|
|
|
} |
|
93
|
|
|
|
|
94
|
|
|
public static function readCondition($tokens, $i) |
|
95
|
|
|
{ |
|
96
|
|
|
[, $conditionStartIndex] = TokenManager::forwardTo($tokens, $i, ['(']); |
|
|
|
|
|
|
97
|
|
|
[$condition, $conditionCloseIndex] = TokenManager::readBody($tokens, $conditionStartIndex, ')'); |
|
|
|
|
|
|
98
|
|
|
|
|
99
|
|
|
return [$conditionStartIndex, $condition, $conditionCloseIndex]; |
|
100
|
|
|
} |
|
101
|
|
|
|
|
102
|
|
|
private static function readBody($tokens, $afterIfIndex) |
|
103
|
|
|
{ |
|
104
|
|
|
[$char, $elseBodyStartIndex] = TokenManager::getNextToken($tokens, $afterIfIndex); |
|
|
|
|
|
|
105
|
|
|
// if with no curly brace. |
|
106
|
|
|
if ($char[0] !== '{') { |
|
107
|
|
|
return [null, null, null]; |
|
108
|
|
|
} |
|
109
|
|
|
|
|
110
|
|
|
[$elseBody, $elseBodyEndIndex] = TokenManager::readBody($tokens, $elseBodyStartIndex); |
|
|
|
|
|
|
111
|
|
|
|
|
112
|
|
|
return [$elseBodyStartIndex, $elseBody, $elseBodyEndIndex]; |
|
113
|
|
|
} |
|
114
|
|
|
|
|
115
|
|
|
private static function forwardTo($tokens, $index) |
|
116
|
|
|
{ |
|
117
|
|
|
while (\in_array($tokens[++$index][0], [T_WHITESPACE, T_COMMENT, ';'])) { |
|
118
|
|
|
} |
|
119
|
|
|
|
|
120
|
|
|
return $index; |
|
121
|
|
|
} |
|
122
|
|
|
} |
|
123
|
|
|
|
imanghafoori1 /
laravel-microscope
Loading history...
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.