From 3a888b16233e00be445fbf5e994a92a103e324df Mon Sep 17 00:00:00 2001
From: Rob Rix <rob.rix@me.com>
Date: Wed, 12 Apr 2017 09:47:51 -0400
Subject: [PATCH] Define a function providing the type of a given symbol.

---
 include/tree_sitter/runtime.h |  1 +
 src/runtime/language.c        | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/include/tree_sitter/runtime.h b/include/tree_sitter/runtime.h
index 37f99e54..6f37c9a3 100644
--- a/include/tree_sitter/runtime.h
+++ b/include/tree_sitter/runtime.h
@@ -123,6 +123,7 @@ uint32_t ts_document_parse_count(const TSDocument *);
 
 uint32_t ts_language_symbol_count(const TSLanguage *);
 const char *ts_language_symbol_name(const TSLanguage *, TSSymbol);
+TSSymbolType ts_language_symbol_type(const TSLanguage *, TSSymbol);
 uint32_t ts_language_version(const TSLanguage *);
 
 #ifdef __cplusplus
diff --git a/src/runtime/language.c b/src/runtime/language.c
index 05361a81..8ca4de50 100644
--- a/src/runtime/language.c
+++ b/src/runtime/language.c
@@ -54,3 +54,14 @@ const char *ts_language_symbol_name(const TSLanguage *language, TSSymbol symbol)
   else
     return language->symbol_names[symbol];
 }
+
+TSSymbolType ts_language_symbol_type(const TSLanguage *language, TSSymbol symbol) {
+  TSSymbolMetadata metadata = ts_language_symbol_metadata(language, symbol);
+  if (metadata.named) {
+    return TSSymbolTypeRegular;
+  } else if (metadata.visible) {
+    return TSSymbolTypeAnonymous;
+  } else {
+    return TSSymbolTypeAuxiliary;
+  }
+}