218         if ($this->literal('@', false)) {
222             if ($this->literal('@media')) {
224                     && $this->literal('{')) {
234             if ($this->literal('@', false) && $this->keyword($dirName)) {
237                         $this->literal('{')) {
248                 } elseif ($this->literal(':', true)) {
251                         $this->literal('{')) {
280             $this->literal('{')) {
291         if ($this->tags($tags) && $this->literal('{', false)) {
300         if ($this->literal('}', false)) {
349         if ($this->literal(';')) return true;
404                 if ($this->literal('/') && $this->value($rhs)) {
487             if (!$this->literal(',')) break;
510         if ($this->literal('(') &&
512             $this->literal(')')) {
532             if ($this->literal('-', false) &&
561         if ($this->literal('~') && $this->stringValue($str)) {
569         if ($this->literal('\\') && $this->match('([0-9]+)', $m)) {
582         if (!$this->literal('@import')) return false;
613                 $this->literal('only') && ($only = true) ||
614                 $this->literal('not') && ($not = true) ||
629         if (!empty($mediaType) && !$this->literal('and')) {
649         if ($this->literal('(') &&
651             ($this->literal(':') && $this->expression($value) || true) &&
652             $this->literal(')')) {
737         if ($this->literal('"', false)) {
739         } elseif ($this->literal("'", false)) {
765                 if ($this->literal($delim, false)) {
776         if ($this->literal($delim)) {
791         if ($this->literal('@{') &&
793             $this->literal('}', false)) {
847         if (!$this->literal('(')) return false;
858             if ($this->literal('...')) {
872                         if ($this->literal('...')) {
887             if (!$this->literal($delim)) {
888                 if ($delim == ',' && $this->literal(';')) {
935         if (!$this->literal(')')) {
952             if (!$this->literal($delim)) break;
966             $this->literal('>');
986         if ($this->literal('[', false)) {
990                 if ($this->literal(']', false)) {
1032             if ($this->literal(']', false)) {
1084                 if ($this->literal('@')) {
1120         if ($this->match('(%|[\w\-_][\w\-_:\.]+|[\w_])', $m) && $this->literal('(')) {
1129                 if ($this->keyword($name) && $this->literal('=') && $this->expressionList($value)) {
1138                 if (!$this->literal(',')) break;
1142             if ($this->literal(')')) {
1148                 if ($this->openString(')', $string) && $this->literal(')')) {
1163         if ($this->literal(Constants::VPREFIX, false) &&
1185         return $this->literal(':') || $this->literal('=');
1201         if ($this->literal(';', false)) {
1214         if (!$this->literal('when')) {
1223             if (!$this->literal(',')) break;
1243             if (!$this->literal('and')) break;
1258         $negate = $this->literal('not');
1260         if ($this->literal('(') && $this->expression($exp) && $this->literal(')')) {
1272     protected function literal($what, $eatWhitespace = null)  function in LesserPHP\\Parser
1304                 if (!$this->literal($delim)) break;