Revert "update less.php to PHP 7.x compatible fork"

This reverts commit 7ad9f272a482802da2d43fe83841adbe9bcd8cb4.

2 files changed, 0 insertions, 443 deletions

diff --git a/lib/less.php/Tree/Mixin/Call.php b/lib/less.php/Tree/Mixin/Call.php
deleted file mode 100644
index 04eb426..0000000
--- a/lib/less.php/Tree/Mixin/Call.php
+++ /dev/null
@@ -1,202 +0,0 @@
-<?php
-
-
-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 = array();
-		$match = false;
-		$isOneFound = false;
-		$candidates = array();
-		$defaultUsed = false;
-		$conditionResult = array();
-
-		$args = array();
-		foreach($this->arguments as $a){
-			$args[] = array('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 = array('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);
-						}
-						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 = array(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('', array(), $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 = array();
-		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;
-	}
-
-}
-
-
diff --git a/lib/less.php/Tree/Mixin/Definition.php b/lib/less.php/Tree/Mixin/Definition.php
deleted file mode 100644
index b16d688..0000000
--- a/lib/less.php/Tree/Mixin/Definition.php
+++ /dev/null
@@ -1,241 +0,0 @@
-<?php
-
-class Less_Tree_Mixin_Definition extends Less_Tree_Ruleset{
-	public $name;
-	public $selectors;
-	public $params;
-	public $arity		= 0;
-	public $rules;
-	public $lookups		= array();
-	public $required	= 0;
-	public $frames		= array();
-	public $condition;
-	public $variadic;
-	public $type		= 'MixinDefinition';
-
-
-	// less.js : /lib/less/tree/mixin.js : tree.mixin.Definition
-	public function __construct($name, $params, $rules, $condition, $variadic = false, $frames = array() ){
-		$this->name = $name;
-		$this->selectors = array(new Less_Tree_Selector(array( new Less_Tree_Element(null, $name))));
-
-		$this->params = $params;
-		$this->condition = $condition;
-		$this->variadic = $variadic;
-		$this->rules = $rules;
-
-		if( $params ){
-			$this->arity = count($params);
-			foreach( $params as $p ){
-				if (! isset($p['name']) || ($p['name'] && !isset($p['value']))) {
-					$this->required++;
-				}
-			}
-		}
-
-		$this->frames = $frames;
-		$this->SetRulesetIndex();
-	}
-
-
-
-	//function accept( $visitor ){
-	//	$this->params = $visitor->visit($this->params);
-	//	$this->rules = $visitor->visit($this->rules);
-	//	$this->condition = $visitor->visit($this->condition);
-	//}
-
-
-	public function toCSS(){
-		return '';
-	}
-
-	// less.js : /lib/less/tree/mixin.js : tree.mixin.Definition.evalParams
-	public function compileParams($env, $mixinFrames, $args = array() , &$evaldArguments = array() ){
-		$frame = new Less_Tree_Ruleset(null, array());
-		$params = $this->params;
-		$mixinEnv = null;
-		$argsLength = 0;
-
-		if( $args ){
-			$argsLength = count($args);
-			for($i = 0; $i < $argsLength; $i++ ){
-				$arg = $args[$i];
-
-				if( $arg && $arg['name'] ){
-					$isNamedFound = false;
-
-					foreach($params as $j => $param){
-						if( !isset($evaldArguments[$j]) && $arg['name'] === $params[$j]['name']) {
-							$evaldArguments[$j] = $arg['value']->compile($env);
-							array_unshift($frame->rules, new Less_Tree_Rule( $arg['name'], $arg['value']->compile($env) ) );
-							$isNamedFound = true;
-							break;
-						}
-					}
-					if ($isNamedFound) {
-						array_splice($args, $i, 1);
-						$i--;
-						$argsLength--;
-						continue;
-					} else {
-						throw new Less_Exception_Compiler("Named argument for " . $this->name .' '.$args[$i]['name'] . ' not found');
-					}
-				}
-			}
-		}
-
-		$argIndex = 0;
-		foreach($params as $i => $param){
-
-			if ( isset($evaldArguments[$i]) ){ continue; }
-
-			$arg = null;
-			if( isset($args[$argIndex]) ){
-				$arg = $args[$argIndex];
-			}
-
-			if (isset($param['name']) && $param['name']) {
-
-				if( isset($param['variadic']) ){
-					$varargs = array();
-					for ($j = $argIndex; $j < $argsLength; $j++) {
-						$varargs[] = $args[$j]['value']->compile($env);
-					}
-					$expression = new Less_Tree_Expression($varargs);
-					array_unshift($frame->rules, new Less_Tree_Rule($param['name'], $expression->compile($env)));
-				}else{
-					$val = ($arg && $arg['value']) ? $arg['value'] : false;
-
-					if ($val) {
-						$val = $val->compile($env);
-					} else if ( isset($param['value']) ) {
-
-						if( !$mixinEnv ){
-							$mixinEnv = new Less_Environment();
-							$mixinEnv->frames = array_merge( array($frame), $mixinFrames);
-						}
-
-						$val = $param['value']->compile($mixinEnv);
-						$frame->resetCache();
-					} else {
-						throw new Less_Exception_Compiler("Wrong number of arguments for " . $this->name . " (" . $argsLength . ' for ' . $this->arity . ")");
-					}
-
-					array_unshift($frame->rules, new Less_Tree_Rule($param['name'], $val));
-					$evaldArguments[$i] = $val;
-				}
-			}
-
-			if ( isset($param['variadic']) && $args) {
-				for ($j = $argIndex; $j < $argsLength; $j++) {
-					$evaldArguments[$j] = $args[$j]['value']->compile($env);
-				}
-			}
-			$argIndex++;
-		}
-
-		ksort($evaldArguments);
-		$evaldArguments = array_values($evaldArguments);
-
-		return $frame;
-	}
-
-	public function compile($env) {
-		if( $this->frames ){
-			return new Less_Tree_Mixin_Definition($this->name, $this->params, $this->rules, $this->condition, $this->variadic, $this->frames );
-		}
-		return new Less_Tree_Mixin_Definition($this->name, $this->params, $this->rules, $this->condition, $this->variadic, $env->frames );
-	}
-
-	public function evalCall($env, $args = NULL, $important = NULL) {
-
-		Less_Environment::$mixin_stack++;
-
-		$_arguments = array();
-
-		if( $this->frames ){
-			$mixinFrames = array_merge($this->frames, $env->frames);
-		}else{
-			$mixinFrames = $env->frames;
-		}
-
-		$frame = $this->compileParams($env, $mixinFrames, $args, $_arguments);
-
-		$ex = new Less_Tree_Expression($_arguments);
-		array_unshift($frame->rules, new Less_Tree_Rule('@arguments', $ex->compile($env)));
-
-
-		$ruleset = new Less_Tree_Ruleset(null, $this->rules);
-		$ruleset->originalRuleset = $this->ruleset_id;
-
-
-		$ruleSetEnv = new Less_Environment();
-		$ruleSetEnv->frames = array_merge( array($this, $frame), $mixinFrames );
-		$ruleset = $ruleset->compile( $ruleSetEnv );
-
-		if( $important ){
-			$ruleset = $ruleset->makeImportant();
-		}
-
-		Less_Environment::$mixin_stack--;
-
-		return $ruleset;
-	}
-
-
-	public function matchCondition($args, $env) {
-
-		if( !$this->condition ){
-			return true;
-		}
-
-		// set array to prevent error on array_merge
-		if(!is_array($this->frames)) {
-             $this->frames = array();
-        }
-
-		$frame = $this->compileParams($env, array_merge($this->frames,$env->frames), $args );
-
-		$compile_env = new Less_Environment();
-		$compile_env->frames = array_merge(
-				array($frame)		// the parameter variables
-				, $this->frames		// the parent namespace/mixin frames
-				, $env->frames		// the current environment frames
-			);
-
-		$compile_env->functions = $env->functions;
-
-		return (bool)$this->condition->compile($compile_env);
-	}
-
-	public function matchArgs($args, $env = NULL){
-		$argsLength = count($args);
-
-		if( !$this->variadic ){
-			if( $argsLength < $this->required ){
-				return false;
-			}
-			if( $argsLength > count($this->params) ){
-				return false;
-			}
-		}else{
-			if( $argsLength < ($this->required - 1)){
-				return false;
-			}
-		}
-
-		$len = min($argsLength, $this->arity);
-
-		for( $i = 0; $i < $len; $i++ ){
-			if( !isset($this->params[$i]['name']) && !isset($this->params[$i]['variadic']) ){
-				if( $args[$i]['value']->compile($env)->toCSS() != $this->params[$i]['value']->compile($env)->toCSS() ){
-					return false;
-				}
-			}
-		}
-
-		return true;
-	}
-
-}