1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* @author Patsura Dmitry https://github.com/ovr <[email protected]> |
4
|
|
|
*/ |
5
|
|
|
|
6
|
|
|
namespace PHPSA; |
7
|
|
|
|
8
|
|
|
use PHPSA\Compiler\Types; |
9
|
|
|
|
10
|
|
|
class Variable |
11
|
|
|
{ |
12
|
|
|
const BRANCH_ROOT = 0; |
13
|
|
|
|
14
|
|
|
const BRANCH_CONDITIONAL_TRUE = 1; |
15
|
|
|
|
16
|
|
|
const BRANCH_CONDITIONAL_FALSE = 2; |
17
|
|
|
|
18
|
|
|
const BRANCH_CONDITIONAL_EXTERNAL = 3; |
19
|
|
|
|
20
|
|
|
const BRANCH_UNKNOWN = 4; |
21
|
|
|
|
22
|
|
|
/** |
23
|
|
|
* @var string |
24
|
|
|
*/ |
25
|
|
|
protected $name; |
26
|
|
|
|
27
|
|
|
/** |
28
|
|
|
* @var mixed |
29
|
|
|
*/ |
30
|
|
|
protected $value; |
31
|
|
|
|
32
|
|
|
/** |
33
|
|
|
* @var integer|string |
34
|
|
|
*/ |
35
|
|
|
protected $branch; |
36
|
|
|
|
37
|
|
|
/** |
38
|
|
|
* @var int |
39
|
|
|
*/ |
40
|
|
|
protected $gets = 0; |
41
|
|
|
|
42
|
|
|
/** |
43
|
|
|
* @var int |
44
|
|
|
*/ |
45
|
|
|
protected $sets = 0; |
46
|
|
|
|
47
|
|
|
/** |
48
|
|
|
* @var bool |
49
|
|
|
*/ |
50
|
|
|
protected $referenced = false; |
51
|
|
|
|
52
|
|
|
/** |
53
|
|
|
* @var Variable|null |
54
|
|
|
*/ |
55
|
|
|
protected $referencedTo; |
56
|
|
|
|
57
|
|
|
/** |
58
|
|
|
* @var int |
59
|
|
|
*/ |
60
|
|
|
protected $type; |
61
|
|
|
|
62
|
|
|
/** |
63
|
|
|
* @param string $name |
64
|
|
|
* @param mixed $defaultValue |
65
|
|
|
* @param int $type |
66
|
|
|
* @param int|string $branch |
67
|
|
|
*/ |
68
|
380 |
|
public function __construct($name, $defaultValue = null, $type = CompiledExpression::UNKNOWN, $branch = self::BRANCH_ROOT) |
69
|
|
|
{ |
70
|
380 |
|
$this->name = $name; |
71
|
|
|
|
72
|
380 |
|
if (!is_null($defaultValue)) { |
73
|
376 |
|
$this->sets++; |
74
|
376 |
|
$this->value = $defaultValue; |
75
|
376 |
|
} |
76
|
|
|
|
77
|
380 |
|
$this->type = (int) $type; |
78
|
380 |
|
$this->branch = $branch; |
79
|
380 |
|
} |
80
|
|
|
|
81
|
|
|
/** |
82
|
|
|
* @return int |
83
|
|
|
*/ |
84
|
10 |
|
public function incGets() |
85
|
|
|
{ |
86
|
10 |
|
return $this->gets++; |
87
|
|
|
} |
88
|
|
|
|
89
|
|
|
/** |
90
|
|
|
* @return int |
91
|
|
|
*/ |
92
|
11 |
|
public function incSets() |
93
|
|
|
{ |
94
|
11 |
|
return $this->sets++; |
95
|
|
|
} |
96
|
|
|
|
97
|
|
|
/** |
98
|
|
|
* @return int |
99
|
|
|
*/ |
100
|
3 |
|
public function getGets() |
101
|
|
|
{ |
102
|
3 |
|
return $this->gets; |
103
|
|
|
} |
104
|
|
|
|
105
|
|
|
/** |
106
|
|
|
* @return int |
107
|
|
|
*/ |
108
|
3 |
|
public function getSets() |
109
|
|
|
{ |
110
|
3 |
|
return $this->sets; |
111
|
|
|
} |
112
|
|
|
|
113
|
|
|
/** |
114
|
|
|
* @return mixed |
115
|
|
|
*/ |
116
|
367 |
|
public function getName() |
117
|
|
|
{ |
118
|
367 |
|
return $this->name; |
119
|
|
|
} |
120
|
|
|
|
121
|
|
|
/** |
122
|
|
|
* @return mixed |
123
|
|
|
*/ |
124
|
12 |
|
public function getType() |
125
|
|
|
{ |
126
|
12 |
|
return $this->type; |
127
|
|
|
} |
128
|
|
|
|
129
|
|
|
/** |
130
|
|
|
* @return string |
131
|
|
|
*/ |
132
|
|
|
public function getTypeName() |
133
|
|
|
{ |
134
|
|
|
return Types::getTypeName($this->type); |
135
|
|
|
} |
136
|
|
|
|
137
|
|
|
/** |
138
|
|
|
* @return null |
139
|
|
|
*/ |
140
|
13 |
|
public function getValue() |
141
|
|
|
{ |
142
|
13 |
|
return $this->value; |
143
|
|
|
} |
144
|
|
|
|
145
|
|
|
/** |
146
|
|
|
* @param int $type |
147
|
|
|
*/ |
148
|
1 |
|
public function modifyType($type) |
149
|
|
|
{ |
150
|
1 |
|
$this->type = (int) $type; |
151
|
1 |
|
} |
152
|
|
|
|
153
|
|
|
/** |
154
|
|
|
* @param int $type |
155
|
|
|
* @param mixed $value |
156
|
|
|
*/ |
157
|
1 |
|
public function modify($type, $value) |
158
|
|
|
{ |
159
|
1 |
|
$this->type = (int) $type; |
160
|
1 |
|
$this->value = $value; |
161
|
|
|
|
162
|
1 |
|
if ($this->referencedTo) { |
163
|
1 |
|
$this->referencedTo->modify($type, $value); |
164
|
1 |
|
} |
165
|
1 |
|
} |
166
|
|
|
|
167
|
9 |
|
public function incUse() |
168
|
|
|
{ |
169
|
9 |
|
$this->incGets(); |
170
|
9 |
|
$this->incSets(); |
171
|
9 |
|
} |
172
|
|
|
|
173
|
5 |
|
public function inc() |
174
|
|
|
{ |
175
|
5 |
|
$this->value++; |
176
|
5 |
|
} |
177
|
|
|
|
178
|
5 |
|
public function dec() |
179
|
|
|
{ |
180
|
5 |
|
$this->value--; |
181
|
5 |
|
} |
182
|
|
|
|
183
|
|
|
/** |
184
|
|
|
* @return boolean |
185
|
|
|
*/ |
186
|
1 |
|
public function isReferenced() |
187
|
|
|
{ |
188
|
1 |
|
return $this->referenced; |
189
|
|
|
} |
190
|
|
|
|
191
|
|
|
/** |
192
|
|
|
* @return bool |
193
|
|
|
*/ |
194
|
3 |
|
public function isNumeric() |
195
|
|
|
{ |
196
|
|
|
return ( |
197
|
3 |
|
$this->type & CompiledExpression::INTEGER || |
198
|
2 |
|
$this->type & CompiledExpression::DOUBLE || |
199
|
1 |
|
$this->type == CompiledExpression::NUMBER |
200
|
3 |
|
); |
201
|
|
|
} |
202
|
|
|
|
203
|
|
|
/** |
204
|
|
|
* Check if you are setting values to variable but didn't use it (mean get) |
205
|
|
|
* |
206
|
|
|
* @return bool |
207
|
|
|
*/ |
208
|
2 |
|
public function isUnused() |
209
|
|
|
{ |
210
|
2 |
|
return $this->gets == 0 && $this->sets > 0; |
211
|
|
|
} |
212
|
|
|
|
213
|
|
|
/** |
214
|
|
|
* @return null|Variable |
215
|
|
|
*/ |
216
|
1 |
|
public function getReferencedTo() |
217
|
|
|
{ |
218
|
1 |
|
return $this->referencedTo; |
219
|
|
|
} |
220
|
|
|
|
221
|
|
|
/** |
222
|
|
|
* @param null|Variable $referencedTo |
223
|
|
|
*/ |
224
|
1 |
|
public function setReferencedTo(Variable $referencedTo = null) |
225
|
|
|
{ |
226
|
1 |
|
$this->referenced = true; |
227
|
1 |
|
$this->referencedTo = $referencedTo; |
228
|
1 |
|
} |
229
|
|
|
|
230
|
|
|
/** |
231
|
|
|
* @return string |
232
|
|
|
*/ |
233
|
|
|
public function getSymbolType() |
234
|
|
|
{ |
235
|
|
|
return 'variable'; |
236
|
|
|
} |
237
|
|
|
|
238
|
|
|
/** |
239
|
|
|
* @return array |
240
|
|
|
*/ |
241
|
|
|
public function __debugInfo() |
242
|
|
|
{ |
243
|
|
|
return [ |
244
|
|
|
'name' => $this->name, |
245
|
|
|
'type' => $this->type, |
246
|
|
|
'value' => [ |
247
|
|
|
'type' => gettype($this->value) |
248
|
|
|
], |
249
|
|
|
'branch' => $this->branch, |
250
|
|
|
'symbol-type' => $this->getSymbolType() |
251
|
|
|
]; |
252
|
|
|
} |
253
|
|
|
} |
254
|
|
|
|