tree-sitter/src/runtime/stack.h
2014-10-05 16:56:29 -07:00

37 lines
853 B
C

#ifndef RUNTIME_STACK_H_
#define RUNTIME_STACK_H_
#ifdef __cplusplus
extern "C" {
#endif
#include "tree_sitter/parser.h"
typedef struct {
TSTree *node;
TSStateId state;
} TSStackEntry;
typedef struct {
size_t size;
size_t capacity;
TSStackEntry *entries;
} TSStack;
TSStack ts_stack_make();
void ts_stack_delete(TSStack *);
void ts_stack_shrink(TSStack *stack, size_t new_size);
void ts_stack_push(TSStack *stack, TSStateId state, TSTree *node);
TSStateId ts_stack_top_state(const TSStack *stack);
TSTree *ts_stack_top_node(const TSStack *stack);
TSLength ts_stack_right_position(const TSStack *stack);
#define TS_STACK_FROM_TOP(stack, entry) \
for (TSStackEntry *entry = (stack).entries + (stack).size - 1; \
entry >= (stack).entries; entry--)
#ifdef __cplusplus
}
#endif
#endif // RUNTIME_STACK_H_