44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
#ifndef TREE_SITTER_TREE_CURSOR_H_
|
|
#define TREE_SITTER_TREE_CURSOR_H_
|
|
|
|
#include "./subtree.h"
|
|
|
|
typedef struct TreeCursorEntry
|
|
{
|
|
const Subtree *subtree;
|
|
Length position;
|
|
uint32_t child_index;
|
|
uint32_t structural_child_index;
|
|
uint32_t descendant_index;
|
|
} TreeCursorEntry;
|
|
|
|
typedef struct TreeCursor
|
|
{
|
|
const TSTree *tree;
|
|
Array(TreeCursorEntry) stack;
|
|
TSSymbol root_alias_symbol;
|
|
} TreeCursor;
|
|
|
|
typedef enum TreeCursorStep
|
|
{
|
|
TreeCursorStepNone,
|
|
TreeCursorStepHidden,
|
|
TreeCursorStepVisible,
|
|
} TreeCursorStep;
|
|
|
|
void ts_tree_cursor_init(TreeCursor *, TSNode);
|
|
void ts_tree_cursor_current_status(const TSTreeCursor *, TSFieldId *, bool *, bool *, bool *, TSSymbol *, unsigned *);
|
|
|
|
TreeCursorStep ts_tree_cursor_goto_first_child_internal(TSTreeCursor *);
|
|
TreeCursorStep ts_tree_cursor_goto_next_sibling_internal(TSTreeCursor *);
|
|
|
|
static inline Subtree ts_tree_cursor_current_subtree(const TSTreeCursor *_self)
|
|
{
|
|
const TreeCursor *self = (const TreeCursor *)_self;
|
|
TreeCursorEntry *last_entry = array_back(&self->stack);
|
|
return *last_entry->subtree;
|
|
}
|
|
|
|
TSNode ts_tree_cursor_parent_node(const TSTreeCursor *);
|
|
|
|
#endif // TREE_SITTER_TREE_CURSOR_H_
|