#ifndef TREE_SITTER_PARSE_STACK_H_
#define TREE_SITTER_PARSE_STACK_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "./array.h"
#include "./subtree.h"
#include "./error_costs.h"
#include <stdio.h>
typedef struct Stack Stack;
typedef unsigned StackVersion;
#define STACK_VERSION_NONE ((StackVersion)-1)
typedef struct {
SubtreeArray subtrees;
StackVersion version;
} StackSlice;
typedef Array(StackSlice) StackSliceArray;
typedef struct {
Length position;
unsigned depth;
TSStateId state;
} StackSummaryEntry;
typedef Array(StackSummaryEntry) StackSummary;
Stack *ts_stack_new(SubtreePool *);
void ts_stack_delete(Stack *);
uint32_t ts_stack_version_count(const Stack *);
TSStateId ts_stack_state(const Stack *, StackVersion);
Subtree ts_stack_last_external_token(const Stack *, StackVersion);
void ts_stack_set_last_external_token(Stack *, StackVersion, Subtree );
Length ts_stack_position(const Stack *, StackVersion);
void ts_stack_push(Stack *, StackVersion, Subtree , bool, TSStateId);
StackSliceArray ts_stack_pop_count(Stack *, StackVersion, uint32_t count);
SubtreeArray ts_stack_pop_error(Stack *, StackVersion);
StackSliceArray ts_stack_pop_pending(Stack *, StackVersion);
StackSliceArray ts_stack_pop_all(Stack *, StackVersion);
unsigned ts_stack_node_count_since_error(const Stack *, StackVersion);
int ts_stack_dynamic_precedence(Stack *, StackVersion);
bool ts_stack_has_advanced_since_error(const Stack *, StackVersion);
void ts_stack_record_summary(Stack *, StackVersion, unsigned max_depth);
StackSummary *ts_stack_get_summary(Stack *, StackVersion);
unsigned ts_stack_error_cost(const Stack *, StackVersion version);
bool ts_stack_merge(Stack *, StackVersion, StackVersion);
bool ts_stack_can_merge(Stack *, StackVersion, StackVersion);
Subtree ts_stack_resume(Stack *, StackVersion);
void ts_stack_pause(Stack *, StackVersion, Subtree);
void ts_stack_halt(Stack *, StackVersion);
bool ts_stack_is_active(const Stack *, StackVersion);
bool ts_stack_is_paused(const Stack *, StackVersion);
bool ts_stack_is_halted(const Stack *, StackVersion);
void ts_stack_renumber_version(Stack *, StackVersion, StackVersion);
void ts_stack_swap_versions(Stack *, StackVersion, StackVersion);
StackVersion ts_stack_copy_version(Stack *, StackVersion);
void ts_stack_remove_version(Stack *, StackVersion);
void ts_stack_clear(Stack *);
bool ts_stack_print_dot_graph(Stack *, const TSLanguage *, FILE *);
typedef void (*StackIterateCallback)(void *, TSStateId, uint32_t);
#ifdef __cplusplus
}
#endif
#endif