From b1c2da4cb4cd79bfd153faddc48bc0e1074d0eae Mon Sep 17 00:00:00 2001
From: Bruno BELANYI <bruno@belanyi.fr>
Date: Sat, 4 Jun 2022 21:38:21 +0200
Subject: [PATCH] Add 'self' built-in variable high-lighting

---
 queries/highlights.scm             | 4 ++++
 test/highlight/built-ins.tig       | 5 +++++
 test/highlight/object-oriented.tig | 2 +-
 3 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/queries/highlights.scm b/queries/highlights.scm
index 66130bf..cadeed7 100644
--- a/queries/highlights.scm
+++ b/queries/highlights.scm
@@ -7,6 +7,10 @@
 ((type_identifier) @type.builtin
   (#match? @type.builtin "^(int|string|Object)$")
   (#is-not? local))
+
+((identifier) @variable.builtin
+  (#match? @variable.builtin "^self$")
+  (#is-not? local))
 ; }}}
 
 ; Keywords {{{
diff --git a/test/highlight/built-ins.tig b/test/highlight/built-ins.tig
index 9fe0487..6879054 100644
--- a/test/highlight/built-ins.tig
+++ b/test/highlight/built-ins.tig
@@ -18,6 +18,8 @@ let
   /*      ^ type.builtin */
 
   type Object = int
+
+  var self := "self"
 in
   let
     var c : int := "This is an int"
@@ -33,6 +35,9 @@ in
   print("shadowing is fun");
   /* <- function.builtin */
 
+  self;
+  /* <- variable */
+
   b := print
   /*   ^ variable */
 end
diff --git a/test/highlight/object-oriented.tig b/test/highlight/object-oriented.tig
index 79928bb..930eabf 100644
--- a/test/highlight/object-oriented.tig
+++ b/test/highlight/object-oriented.tig
@@ -14,7 +14,7 @@ let
     method meth() : int = self.a
     /* <- keyword.method */
     /*     ^ method */
-    /*                    ^ variable */
+    /*                    ^ variable.builtin */
   }
 
   var object := new B