Lines Matching refs:null
64 * @var string|null
94 ?Pair $source = null,
95 ?int $channel = null,
99 if ($source !== null && !$source->a instanceof TokenSource) {
103 if ($source !== null && !$source->b instanceof CharStream) {
129 return $source = $source ?? new Pair(null, null);
178 if ($this->text !== null) {
184 if ($input === null) {
185 return null;
198 * Explicitly set the text for this token. If `text` is not `null`, then
202 * @param string $text The explicit text of the token, or `null`
265 if ($source !== null && !$source instanceof TokenSource) {
276 if ($stream !== null && !$stream instanceof CharStream) {