Added tree-sitter vendor library

1 files changed, 47 insertions, 0 deletions

diff --git a/vendor/tree-sitter/lib/src/tree_cursor.h b/vendor/tree-sitter/lib/src/tree_cursor.h
new file mode 100644
index 0000000..6d4c688
--- /dev/null
+++ b/vendor/tree-sitter/lib/src/tree_cursor.h
@@ -0,0 +1,47 @@
+#ifndef TREE_SITTER_TREE_CURSOR_H_
+#define TREE_SITTER_TREE_CURSOR_H_
+
+#include "./subtree.h"
+
+typedef struct {
+  const Subtree *subtree;
+  Length position;
+  uint32_t child_index;
+  uint32_t structural_child_index;
+  uint32_t descendant_index;
+} TreeCursorEntry;
+
+typedef struct {
+  const TSTree *tree;
+  Array(TreeCursorEntry) stack;
+} TreeCursor;
+
+typedef enum {
+  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_