From 6f6c55717a8c15bdcfec01b8cdcb53b0b499d5d9 Mon Sep 17 00:00:00 2001
From: Thomas Vigouroux <tomvig38@gmail.com>
Date: Thu, 8 Oct 2020 21:31:09 +0200
Subject: treesitter: check language ABI version on load

This is will avoid some issues at runtime.
---
 src/nvim/lua/treesitter.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/nvim/lua/treesitter.c')

diff --git a/src/nvim/lua/treesitter.c b/src/nvim/lua/treesitter.c
index 44e743e911..33d9772bec 100644
--- a/src/nvim/lua/treesitter.c
+++ b/src/nvim/lua/treesitter.c
@@ -174,6 +174,14 @@ int tslua_add_language(lua_State *L)
     return luaL_error(L, "Failed to load parser: internal error");
   }
 
+  uint32_t lang_version = ts_language_version(lang);
+  if (lang_version < TREE_SITTER_MIN_COMPATIBLE_LANGUAGE_VERSION) {
+    return luaL_error(
+        L,
+        "ABI version mismatch : expected %" PRIu32 ", found %" PRIu32,
+        TREE_SITTER_MIN_COMPATIBLE_LANGUAGE_VERSION, lang_version);
+  }
+
   pmap_put(cstr_t)(langs, xstrdup(lang_name), lang);
 
   lua_pushboolean(L, true);
-- 
cgit