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<?php |
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/* |
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* This file is part of the ILess |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace ILess\Node; |
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use ILess\Context; |
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use ILess\Exception\FunctionException; |
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use ILess\FileInfo; |
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use ILess\FunctionRegistry; |
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use ILess\Node; |
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use ILess\Output\OutputInterface; |
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use ILess\Visitor\VisitorInterface; |
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/** |
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* Function call. |
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*/ |
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class CallNode extends Node |
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{ |
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/** |
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* Node type. |
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* |
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* @var string |
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*/ |
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protected $type = 'Call'; |
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/** |
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* The function name. |
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* |
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* @var string |
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*/ |
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protected $name; |
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/** |
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* Array of arguments. |
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* |
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* @var array |
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*/ |
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protected $args = []; |
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/** |
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* The index. |
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* |
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* @var int |
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*/ |
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protected $index = 0; |
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/** |
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* Constructor. |
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* |
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* @param string $name Name of the function |
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* @param array $args Array of arguments |
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* @param int $index The current index |
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* @param FileInfo $currentFileInfo The current file info |
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*/ |
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public function __construct($name, array $args, $index = 0, FileInfo $currentFileInfo = null) |
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{ |
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$this->name = $name; |
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$this->args = $args; |
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$this->index = $index; |
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$this->currentFileInfo = $currentFileInfo; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function accept(VisitorInterface $visitor) |
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{ |
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if ($this->args) { |
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$this->args = $visitor->visitArray($this->args); |
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} |
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} |
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/** |
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* Compiles the node. |
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* |
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* @param Context $context The context |
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* @param array|null $arguments Array of arguments |
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* @param bool|null $important Important flag |
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* |
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* @return CallNode|Node |
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* |
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* @throws FunctionException |
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*/ |
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public function compile(Context $context, $arguments = null, $important = null) |
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{ |
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// prepare arguments |
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$args = []; |
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foreach ($this->args as $arg) { |
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/* @var $arg Node */ |
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$args[] = $arg->compile($context); |
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} |
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try { |
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$registry = $context->frames[0]->functionRegistry; |
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/* @var $registry FunctionRegistry */ |
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$registry->setCurrentFile($this->currentFileInfo); |
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$result = $registry->call($this->name, $args); |
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if ($result === null) { |
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$result = new self($this->name, $args, $this->index, $this->currentFileInfo); |
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} |
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} catch (\Exception $e) { |
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throw new FunctionException(sprintf('Error evaluating function `%s`', $this->name), $this->index, |
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$this->currentFileInfo, $e); |
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} |
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return $result; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function generateCSS(Context $context, OutputInterface $output) |
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{ |
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// handle IE filters, cannot accept shortened colors |
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if (strpos($this->name, 'progid:') === 0) { |
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$canShortenColors = $context->canShortenColors; |
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$context->canShortenColors = false; |
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} |
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$output->add($this->name . '(', $this->currentFileInfo, $this->index); |
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for ($i = 0, $count = count($this->args); $i < $count; ++$i) { |
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$this->args[$i]->generateCSS($context, $output); |
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if ($i + 1 < $count) { |
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$output->add(', '); |
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} |
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} |
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if (isset($canShortenColors)) { |
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// put it back |
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$context->canShortenColors = $canShortenColors; |
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} |
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$output->add(')'); |
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} |
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} |
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mishal /
iless
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..