tree-sitter: vendor tree-sitter runtime

tree-sitter/tree-sitter commit 7685b7861ca475664b6ef57e14d1da9acf741275

Included files are:
lib/include/tree-sitter/*.h
lib/src/*.[ch]
LICENSE

1 files changed, 34 insertions, 0 deletions

diff --git a/src/tree_sitter/tree.h b/src/tree_sitter/tree.h
new file mode 100644
index 0000000000..92a7e64179
--- /dev/null
+++ b/src/tree_sitter/tree.h
@@ -0,0 +1,34 @@
+#ifndef TREE_SITTER_TREE_H_
+#define TREE_SITTER_TREE_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct {
+  const Subtree *child;
+  const Subtree *parent;
+  Length position;
+  TSSymbol alias_symbol;
+} ParentCacheEntry;
+
+struct TSTree {
+  Subtree root;
+  const TSLanguage *language;
+  ParentCacheEntry *parent_cache;
+  uint32_t parent_cache_start;
+  uint32_t parent_cache_size;
+  TSRange *included_ranges;
+  unsigned included_range_count;
+};
+
+TSTree *ts_tree_new(Subtree root, const TSLanguage *language, const TSRange *, unsigned);
+TSNode ts_node_new(const TSTree *, const Subtree *, Length, TSSymbol);
+TSNode ts_tree_get_cached_parent(const TSTree *, const TSNode *);
+void ts_tree_set_cached_parent(const TSTree *, const TSNode *, const TSNode *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // TREE_SITTER_TREE_H_