Compiler.php
protected function handleMixins(Node $node)
    {

        $mixins = $node->findArray('mixin');

        //Save all mixins in $this->mixins for our mixinCalls to reference them
        foreach ($mixins as $mixinNode) {

            if (isset($this->mixins[$mixinNode->name]) && !$this->options['replace_mixins'])
                $this->throwException(
                    "A mixin with the name [$mixinNode->name] is already defined. Rename the it or enable the".
                    "[`replace_mixins`]-option to be able to overwrite it",
                    $mixinNode
                );
            else if (isset($this->mixins[$mixinNode->name]))
                $this->mixins[$mixinNode->name]->parent->remove($this->mixins[$mixinNode->name]);

            $this->mixins[$mixinNode->name] = $mixinNode;
        }

        //Handle the mixins
        foreach ($this->mixins as $mixinNode)
            $this->handleMixin($mixinNode);

        return $this;
    }
protected function handleMixins(Node $node)
    {

        $mixins = $node->findArray('mixin');

        //Save all mixins in $this->mixins for our mixinCalls to reference them
        foreach ($mixins as $mixinNode) {

            if (isset($this->mixins[$mixinNode->name]) && !$this->options['replace_mixins'])
                $this->throwException(
                    "A mixin with the name [$mixinNode->name] is already defined. Rename the it or enable the".
                    "[`replace_mixins`]-option to be able to overwrite it",
                    $mixinNode
                );
            else if (isset($this->mixins[$mixinNode->name]))
                $this->mixins[$mixinNode->name]->parent->remove($this->mixins[$mixinNode->name]);

            $this->mixins[$mixinNode->name] = $mixinNode;
        }

        //Handle the mixins
        foreach ($this->mixins as $mixinNode)
            $this->handleMixin($mixinNode);

        return $this;
    }
protected function handleMixins ( Node $ node ) { $ mixins = $ node -> findArray ( 'mixin' ) ; //Save all mixins in $this->mixins for our mixinCalls to reference them foreach ( $ mixins as $ mixinNode ) { if ( isset ( $ this -> mixins [ $ mixinNode -> name ] ) && ! $ this -> options [ 'replace_mixins' ] ) $ this -> throwException ( "A mixin with the name [$mixinNode->name] is already defined. Rename the it or enable the" . "[`replace_mixins`]-option to be able to overwrite it" , $ mixinNode ) ; else if ( isset ( $ this -> mixins [ $ mixinNode -> name ] ) ) $ this -> mixins [ $ mixinNode -> name ] -> parent -> remove ( $ this -> mixins [ $ mixinNode -> name ] ) ; $ this -> mixins [ $ mixinNode -> name ] = $ mixinNode ; } //Handle the mixins foreach ( $ this -> mixins as $ mixinNode ) $ this -> handleMixin ( $ mixinNode ) ; return $ this ; }
Finds all mixins and loops them through handleMixin.

Duplicated mixins will throw an exception if the replaceMixins-options
is false

@param Node $node the node to search mixins in

@return $this
@throws Exception when a mixin name occurs twice and replaceMixins is false
Finds all mixins and loops them through handleMixin .