1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* Parser Reflection API |
4
|
|
|
* |
5
|
|
|
* @copyright Copyright 2015, Lisachenko Alexander <[email protected]> |
6
|
|
|
* |
7
|
|
|
* This source file is subject to the license that is bundled |
8
|
|
|
* with this source code in the file LICENSE. |
9
|
|
|
*/ |
10
|
|
|
|
11
|
|
|
namespace Go\ParserReflection\NodeVisitor; |
12
|
|
|
|
13
|
|
|
use Go\ParserReflection\ValueResolver\NodeExpressionResolver; |
14
|
|
|
use PhpParser\Node; |
15
|
|
|
use PhpParser\NodeTraverser; |
16
|
|
|
use PhpParser\NodeVisitorAbstract; |
17
|
|
|
|
18
|
|
|
/** |
19
|
|
|
* Visitor to collect static variables in the method/function body and resove them |
20
|
|
|
*/ |
21
|
|
|
class StaticVariablesCollector extends NodeVisitorAbstract |
22
|
|
|
{ |
23
|
|
|
/** |
24
|
|
|
* Reflection context, eg. ReflectionClass, ReflectionMethod, etc |
25
|
|
|
* |
26
|
|
|
* @var mixed |
27
|
|
|
*/ |
28
|
|
|
private $context; |
29
|
|
|
|
30
|
|
|
private $staticVariables = []; |
31
|
|
|
|
32
|
|
|
/** |
33
|
|
|
* Default constructor |
34
|
|
|
* |
35
|
|
|
* @param mixed $context Reflection context, eg. ReflectionClass, ReflectionMethod, etc |
36
|
|
|
*/ |
37
|
65 |
|
public function __construct($context) |
38
|
|
|
{ |
39
|
65 |
|
$this->context = $context; |
40
|
65 |
|
} |
41
|
|
|
|
42
|
|
|
/** |
43
|
|
|
* {@inheritDoc} |
44
|
|
|
*/ |
45
|
10 |
|
public function enterNode(Node $node) |
46
|
|
|
{ |
47
|
|
|
// There may be internal closures, we do not need to look at them |
48
|
10 |
|
if ($node instanceof Node\Expr\Closure) { |
49
|
2 |
|
return NodeTraverser::DONT_TRAVERSE_CHILDREN; |
50
|
|
|
} |
51
|
|
|
|
52
|
10 |
|
if ($node instanceof Node\Stmt\Static_) { |
53
|
2 |
|
$expressionSolver = new NodeExpressionResolver($this->context); |
54
|
2 |
|
$staticVariables = $node->vars; |
55
|
2 |
|
foreach ($staticVariables as $staticVariable) { |
56
|
2 |
|
$expr = $staticVariable->default; |
57
|
2 |
|
if ($expr) { |
58
|
2 |
|
$expressionSolver->process($expr); |
59
|
2 |
|
$value = $expressionSolver->getValue(); |
60
|
|
|
} else { |
61
|
|
|
$value = null; |
62
|
|
|
} |
63
|
|
|
|
64
|
2 |
|
if ($staticVariable->var->name instanceof Node\Expr) { |
65
|
|
|
$expressionSolver->process($staticVariable->var->name); |
66
|
|
|
$name = $expressionSolver->getValue(); |
67
|
|
|
} else { |
68
|
2 |
|
$name = $staticVariable->var->name; |
69
|
|
|
} |
70
|
2 |
|
$this->staticVariables[$name] = $value; |
71
|
|
|
} |
72
|
|
|
} |
73
|
|
|
|
74
|
10 |
|
return null; |
75
|
|
|
} |
76
|
|
|
|
77
|
|
|
/** |
78
|
|
|
* Returns an associative map of static variables in the method/function body |
79
|
|
|
* |
80
|
|
|
* @return array |
81
|
|
|
*/ |
82
|
65 |
|
public function getStaticVariables() |
83
|
|
|
{ |
84
|
65 |
|
return $this->staticVariables; |
85
|
|
|
} |
86
|
|
|
} |
87
|
|
|
|