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 $frame;
}
public function evalCall($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 $ruleset;
}
public function compile($env, $args = NULL, $important = NULL)
{
$_arguments = array();
$mixinFrames = array_merge($this->frames, $env->frames);
$mixinEnv = new Less_Environment();
$mixinEnv->addFrames($mixinFrames);
$frame = $this->compileParams($env, $mixinEnv, $args, $_arguments);
$ex = new Less_Tree_Expression($_arguments);
array_unshift($frame->rules, new Less_Tree_Rule('@arguments', $ex->compile($env)));
$rules = $important ? Less_Tree_Ruleset::makeImportant($this->selectors, $this->rules)->rules : array_slice($this->rules, 0);
$ruleset = new Less_Tree_Ruleset(null, $rules);
// duplicate the environment, adding new frames.
$ruleSetEnv = new Less_Environment();
$ruleSetEnv->addFrame($this);
$ruleSetEnv->addFrame($frame);
$ruleSetEnv->addFrames($mixinFrames);
$ruleSetEnv->compress = $env->compress;
$ruleset = $ruleset->compile($ruleSetEnv);
$ruleset->originalRuleset = $this;
return $ruleset;
}
