|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* @license http://opensource.org/licenses/mit-license.php MIT |
|
5
|
|
|
* @link https://github.com/nicoSWD |
|
6
|
|
|
* @author Nicolas Oelgart <[email protected]> |
|
7
|
|
|
*/ |
|
8
|
|
|
declare(strict_types=1); |
|
9
|
|
|
|
|
10
|
|
|
namespace nicoSWD\Rules; |
|
11
|
|
|
|
|
12
|
|
|
use Iterator; |
|
13
|
|
|
use nicoSWD\Rules\Tokens\BaseToken; |
|
14
|
|
|
use nicoSWD\Rules\Tokens\TokenEncapsedString; |
|
15
|
|
|
use nicoSWD\Rules\Tokens\TokenFactory; |
|
16
|
|
|
use nicoSWD\Rules\Tokens\TokenFunction; |
|
17
|
|
|
use nicoSWD\Rules\Tokens\TokenOpeningArray; |
|
18
|
|
|
use nicoSWD\Rules\Tokens\TokenRegex; |
|
19
|
|
|
use nicoSWD\Rules\Tokens\TokenString; |
|
20
|
|
|
use nicoSWD\Rules\Tokens\TokenVariable; |
|
21
|
|
|
use nicoSWD\Rules\AST\Nodes\NodeArray; |
|
22
|
|
|
use nicoSWD\Rules\AST\Nodes\NodeFunction; |
|
23
|
|
|
use nicoSWD\Rules\AST\Nodes\NodeString; |
|
24
|
|
|
use nicoSWD\Rules\AST\Nodes\NodeVariable; |
|
25
|
|
|
|
|
26
|
|
|
final class AST implements Iterator |
|
27
|
|
|
{ |
|
28
|
|
|
/** |
|
29
|
|
|
* @var Parser |
|
30
|
|
|
*/ |
|
31
|
|
|
public $parser; |
|
32
|
|
|
|
|
33
|
|
|
/** |
|
34
|
|
|
* @var Stack |
|
35
|
|
|
*/ |
|
36
|
|
|
protected $stack; |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* @var mixed[] |
|
40
|
|
|
*/ |
|
41
|
|
|
protected $variables = []; |
|
42
|
|
|
|
|
43
|
|
|
/** |
|
44
|
|
|
* @param Stack $stack |
|
45
|
|
|
* @param Parser $parser |
|
46
|
|
|
*/ |
|
47
|
226 |
|
public function __construct(Stack $stack, Parser $parser) |
|
48
|
|
|
{ |
|
49
|
226 |
|
$this->stack = $stack; |
|
50
|
226 |
|
$this->variables = $parser->variables; |
|
51
|
226 |
|
$this->parser = $parser; |
|
52
|
226 |
|
} |
|
53
|
|
|
|
|
54
|
216 |
|
public function next() |
|
55
|
|
|
{ |
|
56
|
216 |
|
$this->stack->next(); |
|
57
|
216 |
|
} |
|
58
|
|
|
|
|
59
|
226 |
|
public function valid() : bool |
|
60
|
|
|
{ |
|
61
|
226 |
|
return $this->stack->valid(); |
|
62
|
|
|
} |
|
63
|
|
|
|
|
64
|
224 |
|
public function current() |
|
65
|
|
|
{ |
|
66
|
224 |
|
$current = $this->stack->current(); |
|
67
|
|
|
|
|
68
|
224 |
|
switch (get_class($current)) { |
|
69
|
|
|
default: |
|
70
|
214 |
|
return $current; |
|
71
|
224 |
|
case TokenString::class: |
|
72
|
224 |
|
case TokenEncapsedString::class: |
|
73
|
222 |
|
case TokenRegex::class: |
|
74
|
168 |
|
$current = new NodeString($this); |
|
75
|
168 |
|
break; |
|
76
|
220 |
|
case TokenOpeningArray::class: |
|
77
|
52 |
|
$current = new NodeArray($this); |
|
78
|
52 |
|
break; |
|
79
|
220 |
|
case TokenVariable::class: |
|
80
|
96 |
|
$current = new NodeVariable($this); |
|
81
|
96 |
|
break; |
|
82
|
218 |
|
case TokenFunction::class: |
|
83
|
30 |
|
$current = new NodeFunction($this); |
|
84
|
30 |
|
break; |
|
85
|
|
|
} |
|
86
|
|
|
|
|
87
|
208 |
|
return $current->getNode(); |
|
88
|
|
|
} |
|
89
|
|
|
|
|
90
|
|
|
/** |
|
91
|
|
|
* @codeCoverageIgnore |
|
92
|
|
|
*/ |
|
93
|
|
|
public function key() : int |
|
94
|
|
|
{ |
|
95
|
|
|
return $this->stack->key(); |
|
96
|
|
|
} |
|
97
|
|
|
|
|
98
|
226 |
|
public function rewind() |
|
99
|
|
|
{ |
|
100
|
226 |
|
$this->stack->rewind(); |
|
101
|
226 |
|
} |
|
102
|
|
|
|
|
103
|
|
|
/** |
|
104
|
|
|
* @throws Exceptions\ParserException |
|
105
|
|
|
*/ |
|
106
|
96 |
|
public function getVariable(string $name) : BaseToken |
|
107
|
|
|
{ |
|
108
|
96 |
|
if (!array_key_exists($name, $this->variables)) { |
|
109
|
4 |
|
$token = $this->stack->current(); |
|
110
|
|
|
|
|
111
|
4 |
|
throw new Exceptions\ParserException(sprintf( |
|
112
|
4 |
|
'Undefined variable "%s" at position %d on line %d', |
|
113
|
4 |
|
$name, |
|
114
|
4 |
|
$token->getPosition(), |
|
115
|
4 |
|
$token->getLine() |
|
116
|
|
|
)); |
|
117
|
|
|
} |
|
118
|
|
|
|
|
119
|
92 |
|
return TokenFactory::createFromPHPType($this->variables[$name]); |
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
208 |
|
public function getStack() : Stack |
|
123
|
|
|
{ |
|
124
|
208 |
|
return $this->stack; |
|
125
|
|
|
} |
|
126
|
|
|
} |
|
127
|
|
|
|
nicoSWD /
php-rule-parser
