feat: add initial Nix support

README.md

@@ -56,6 +56,7 @@ use 'nvim-treesitter/nvim-treesitter-context'
   - [x] `lua`
   - [x] `markdown`
   - [x] `matlab`
+  - [x] `nix`
   - [x] `norg`
   - [x] `ocaml_interface`
   - [x] `ocaml`
@@ -146,7 +147,6 @@ use 'nvim-treesitter/nvim-treesitter-context'
   - [ ] `mermaid`
   - [ ] `meson`
   - [ ] `nickel`
-  - [ ] `nix`
   - [ ] `ocamllex`
   - [ ] `pascal`
   - [ ] `perl`

queries/nix/context.scm

@@ -0,0 +1,2 @@
+(function_expression body: (_ (_) @context.end)) @context
+(binding expression: (_ (_) @context.end)) @context

test/test.nix

@@ -0,0 +1,94 @@
+
+{
+  output =
+ 
+
+
+
+
+
+
+
+
+   let
+      l = {
+        a = false;
+        b = false;
+        c = false;
+      }; #Succe
+      m = {
+        a = false;
+        b = true;
+
+
+
+
+
+
+
+
+
+        c = false;
+      }; #Success
+      n = {
+        a = false;
+        b = true;
+        c = true;
+      }; #Fail
+
+      functions = {
+        check = pkgs:
+        list:
+          let
+            length = 
+
+
+
+
+
+
+
+
+            builtins.length (pkgs.lib.remove false list);
+
+
+
+            otherfunc = { a, b, c, ... }@nice: a + b + c;
+
+
+
+
+
+
+
+            setFunc =
+              { a
+              , b
+              , c
+              , ...
+              }@extras: (
+
+
+
+
+
+
+
+                a * b * c
+
+
+
+
+
+
+
+
+
+
+              );
+          in
+          (length == 0) || (length == 1);
+      };
+    in
+    functions.check l;
+}