1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
<?php
/**
* @private
*/
class Less_Tree_Mixin_Call extends Less_Tree {
public $selector;
public $arguments;
public $index;
public $currentFileInfo;
public $important;
public $type = 'MixinCall';
/**
* less.js: tree.mixin.Call
*
*/
public function __construct( $elements, $args, $index, $currentFileInfo, $important = false ) {
$this->selector = new Less_Tree_Selector( $elements );
$this->arguments = $args;
$this->index = $index;
$this->currentFileInfo = $currentFileInfo;
$this->important = $important;
}
// function accept($visitor){
// $this->selector = $visitor->visit($this->selector);
// $this->arguments = $visitor->visit($this->arguments);
//}
public function compile( $env ) {
$rules = [];
$match = false;
$isOneFound = false;
$candidates = [];
$defaultUsed = false;
$conditionResult = [];
$args = [];
foreach ( $this->arguments as $a ) {
$args[] = [ 'name' => $a['name'], 'value' => $a['value']->compile( $env ) ];
}
foreach ( $env->frames as $frame ) {
$mixins = $frame->find( $this->selector );
if ( !$mixins ) {
continue;
}
$isOneFound = true;
$defNone = 0;
$defTrue = 1;
$defFalse = 2;
// To make `default()` function independent of definition order we have two "subpasses" here.
// At first we evaluate each guard *twice* (with `default() == true` and `default() == false`),
// and build candidate list with corresponding flags. Then, when we know all possible matches,
// we make a final decision.
$mixins_len = count( $mixins );
for ( $m = 0; $m < $mixins_len; $m++ ) {
$mixin = $mixins[$m];
if ( $this->IsRecursive( $env, $mixin ) ) {
continue;
}
if ( $mixin->matchArgs( $args, $env ) ) {
$candidate = [ 'mixin' => $mixin, 'group' => $defNone ];
if ( $mixin instanceof Less_Tree_Ruleset ) {
for ( $f = 0; $f < 2; $f++ ) {
Less_Tree_DefaultFunc::value( $f );
$conditionResult[$f] = $mixin->matchCondition( $args, $env );
}
// PhanTypeInvalidDimOffset -- False positive
'@phan-var array{0:bool,1:bool} $conditionResult';
if ( $conditionResult[0] || $conditionResult[1] ) {
if ( $conditionResult[0] != $conditionResult[1] ) {
$candidate['group'] = $conditionResult[1] ? $defTrue : $defFalse;
}
$candidates[] = $candidate;
}
} else {
$candidates[] = $candidate;
}
$match = true;
}
}
Less_Tree_DefaultFunc::reset();
$count = [ 0, 0, 0 ];
for ( $m = 0; $m < count( $candidates ); $m++ ) {
$count[ $candidates[$m]['group'] ]++;
}
if ( $count[$defNone] > 0 ) {
$defaultResult = $defFalse;
} else {
$defaultResult = $defTrue;
if ( ( $count[$defTrue] + $count[$defFalse] ) > 1 ) {
throw new Exception( 'Ambiguous use of `default()` found when matching for `' . $this->format( $args ) . '`' );
}
}
$candidates_length = count( $candidates );
$length_1 = ( $candidates_length == 1 );
for ( $m = 0; $m < $candidates_length; $m++ ) {
$candidate = $candidates[$m]['group'];
if ( ( $candidate === $defNone ) || ( $candidate === $defaultResult ) ) {
try{
$mixin = $candidates[$m]['mixin'];
if ( !( $mixin instanceof Less_Tree_Mixin_Definition ) ) {
$mixin = new Less_Tree_Mixin_Definition( '', [], $mixin->rules, null, false );
$mixin->originalRuleset = $mixins[$m]->originalRuleset;
}
$rules = array_merge( $rules, $mixin->evalCall( $env, $args, $this->important )->rules );
} catch ( Exception $e ) {
// throw new Less_Exception_Compiler($e->getMessage(), $e->index, null, $this->currentFileInfo['filename']);
throw new Less_Exception_Compiler( $e->getMessage(), null, null, $this->currentFileInfo );
}
}
}
if ( $match ) {
if ( !$this->currentFileInfo || !isset( $this->currentFileInfo['reference'] ) || !$this->currentFileInfo['reference'] ) {
Less_Tree::ReferencedArray( $rules );
}
return $rules;
}
}
if ( $isOneFound ) {
throw new Less_Exception_Compiler( 'No matching definition was found for `' . $this->Format( $args ) . '`', null, $this->index, $this->currentFileInfo );
} else {
throw new Less_Exception_Compiler( trim( $this->selector->toCSS() ) . " is undefined in " . $this->currentFileInfo['filename'], null, $this->index );
}
}
/**
* Format the args for use in exception messages
*
*/
private function Format( $args ) {
$message = [];
if ( $args ) {
foreach ( $args as $a ) {
$argValue = '';
if ( $a['name'] ) {
$argValue .= $a['name'] . ':';
}
if ( is_object( $a['value'] ) ) {
$argValue .= $a['value']->toCSS();
} else {
$argValue .= '???';
}
$message[] = $argValue;
}
}
return implode( ', ', $message );
}
/**
* Are we in a recursive mixin call?
*
* @return bool
*/
private function IsRecursive( $env, $mixin ) {
foreach ( $env->frames as $recur_frame ) {
if ( !( $mixin instanceof Less_Tree_Mixin_Definition ) ) {
if ( $mixin === $recur_frame ) {
return true;
}
if ( isset( $recur_frame->originalRuleset ) && $mixin->ruleset_id === $recur_frame->originalRuleset ) {
return true;
}
}
}
return false;
}
}
|
