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Add ts_language_alias_at helper function

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This commit is contained in:
Max Brunsfeld 2020-06-15 09:58:07 -07:00
parent de53b82e2c
commit 6a46dff89a
4 changed files with 84 additions and 61 deletions
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51
lib/src/language.h
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@ -41,17 +41,21 @@ static inline const TSParseAction *ts_language_actions(
return entry.actions;
}
static inline bool ts_language_has_actions(const TSLanguage *self,
TSStateId state,
TSSymbol symbol) {
static inline bool ts_language_has_actions(
const TSLanguage *self,
TSStateId state,
TSSymbol symbol
) {
TableEntry entry;
ts_language_table_entry(self, state, symbol, &entry);
return entry.action_count > 0;
}
static inline bool ts_language_has_reduce_action(const TSLanguage *self,
TSStateId state,
TSSymbol symbol) {
static inline bool ts_language_has_reduce_action(
const TSLanguage *self,
TSStateId state,
TSSymbol symbol
) {
TableEntry entry;
ts_language_table_entry(self, state, symbol, &entry);
return entry.action_count > 0 && entry.actions[0].type == TSParseActionTypeReduce;
@ -82,9 +86,11 @@ static inline uint16_t ts_language_lookup(
}
}
static inline TSStateId ts_language_next_state(const TSLanguage *self,
TSStateId state,
TSSymbol symbol) {
static inline TSStateId ts_language_next_state(
const TSLanguage *self,
TSStateId state,
TSSymbol symbol
) {
if (symbol == ts_builtin_sym_error || symbol == ts_builtin_sym_error_repeat) {
return 0;
} else if (symbol < self->token_count) {
@ -102,9 +108,10 @@ static inline TSStateId ts_language_next_state(const TSLanguage *self,
}
}
static inline const bool *
ts_language_enabled_external_tokens(const TSLanguage *self,
unsigned external_scanner_state) {
static inline const bool *ts_language_enabled_external_tokens(
const TSLanguage *self,
unsigned external_scanner_state
) {
if (external_scanner_state == 0) {
return NULL;
} else {
@ -112,13 +119,25 @@ ts_language_enabled_external_tokens(const TSLanguage *self,
}
}
static inline const TSSymbol *
ts_language_alias_sequence(const TSLanguage *self, uint32_t production_id) {
return production_id > 0 ?
self->alias_sequences + production_id * self->max_alias_sequence_length :
static inline const TSSymbol *ts_language_alias_sequence(
const TSLanguage *self,
uint32_t production_id
) {
return production_id ?
&self->alias_sequences[production_id * self->max_alias_sequence_length] :
NULL;
}
static inline TSSymbol ts_language_alias_at(
const TSLanguage *self,
uint32_t production_id,
uint32_t child_index
) {
return production_id ?
self->alias_sequences[production_id * self->max_alias_sequence_length + child_index] :
0;
}
static inline void ts_language_field_map(
const TSLanguage *self,
uint32_t production_id,