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Store shift states for non-terminals directly in the main parse table

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This commit is contained in:
Max Brunsfeld 2016-11-14 08:36:06 -08:00
parent 8d9c261e3a
commit fad7294ba4
20 changed files with 204 additions and 195 deletions
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17
src/runtime/language.h
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@ -40,6 +40,23 @@ static inline const TSParseAction *ts_language_last_action(
return NULL;
}
static inline TSStateId ts_language_next_state(const TSLanguage *self,
TSStateId state,
TSSymbol symbol) {
if (symbol == ts_builtin_sym_error) {
return 0;
} else if (symbol < self->token_count) {
const TSParseAction *action = ts_language_last_action(self, state, symbol);
if (action && (action->type == TSParseActionTypeShift || action->type == TSParseActionTypeRecover)) {
return action->params.to_state;
} else {
return 0;
}
} else {
return self->parse_table[state * self->symbol_count + symbol];
}
}
static inline bool ts_language_is_reusable(const TSLanguage *self,
TSStateId state, TSSymbol symbol) {
TableEntry entry;