Packages

localize_mf2_treesitter

0.1.0
0.1.0

Elixir bindings to the tree-sitter-mf2 grammar. Incremental, error-recovering CST parser for ICU MessageFormat 2 (MF2) messages suitable for editor tooling and LSP use.

HexDocs

Current section

Files

Jump to
Readme
1 Version
1 Dependency
Dependants
Files
Activity
localize_mf2_treesitter c_src runtime src tree_cursor.h
Raw

c_src/runtime/src/tree_cursor.h 

#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;

  TSSymbol root_alias_symbol;

} TreeCursor;



typedef enum {

  TreeCursorStepNone,

  TreeCursorStepHidden,

  TreeCursorStepVisible,

} TreeCursorStep;



void ts_tree_cursor_init(TreeCursor *self, TSNode node);

void ts_tree_cursor_current_status(

  const TSTreeCursor *_self,

  TSFieldId *field_id,

  bool *has_later_siblings,

  bool *has_later_named_siblings,

  bool *can_have_later_siblings_with_this_field,

  TSSymbol *supertypes,

  unsigned *supertype_count

);



TreeCursorStep ts_tree_cursor_goto_first_child_internal(TSTreeCursor *_self);

TreeCursorStep ts_tree_cursor_goto_next_sibling_internal(TSTreeCursor *_self);



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 *_self);



#endif  // TREE_SITTER_TREE_CURSOR_H_