53      * @param string $mode         Should only apply this
57     public function addPattern($pattern, $mode = "accept")  argument
59         if (! isset($this->regexes[$mode])) {
60             $this->regexes[$mode] = new ParallelRegex($this->case);
62         $this->regexes[$mode]->addPattern($pattern);
71 … * @param string $mode         Should only apply this pattern when dealing with this type of input.
74     public function addEntryPattern($pattern, $mode, $new_mode)  argument
76         if (! isset($this->regexes[$mode])) {
77             $this->regexes[$mode] = new ParallelRegex($this->case);
79         $this->regexes[$mode]->addPattern($pattern, $new_mode);
86      * @param string $mode         Mode to leave.
88     public function addExitPattern($pattern, $mode)  argument
90         if (! isset($this->regexes[$mode])) {
91             $this->regexes[$mode] = new ParallelRegex($this->case);
93         $this->regexes[$mode]->addPattern($pattern, "__exit");
103 … * @param string $mode         Should only apply this pattern when dealing with this type of input.
106     public function addSpecialPattern($pattern, $mode, $special)  argument
108         if (! isset($this->regexes[$mode])) {
109             $this->regexes[$mode] = new ParallelRegex($this->case);
111         $this->regexes[$mode]->addPattern($pattern, "_$special");
117      * @param string $mode        Mode to be remapped.
120     public function mapHandler($mode, $handler)  argument
122         $this->mode_handlers[$mode] = $handler;
143             [$unmatched, $matched, $mode] = $parsed;
146             if (! $this->dispatchTokens($unmatched, $matched, $mode, $pos, $matchPos)) {
178      * @param bool|string $mode Mode after match. A boolean false mode causes no change.
183     protected function dispatchTokens($unmatched, $matched, $mode, $initialPos, $matchPos)  argument
188         if ($this->isModeEnd($mode)) {
194         if ($this->isSpecialMode($mode)) {
195             $this->modeStack->enter($this->decodeSpecial($mode));
201         if (is_string($mode)) {
202             $this->modeStack->enter($mode);
212      * @param string $mode    Mode to test.
215     protected function isModeEnd($mode)  argument
217         return ($mode === "__exit");
224      * @param string $mode    Mode to test.
227     protected function isSpecialMode($mode)  argument
229         return str_starts_with($mode, '_');
235      * @param string $mode    Mode to decode.
238     protected function decodeSpecial($mode)  argument
240         return substr($mode, 1);