From 1ea33ab70f88fcfebf388a9a438e3c1e56fbdf0f Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 10 Jun 2020 10:01:45 +0200
Subject: Handle special variable names when spelled as $(<char>) rather than
 $<char>

---
 libbuild2/lexer.cxx | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'libbuild2/lexer.cxx')

diff --git a/libbuild2/lexer.cxx b/libbuild2/lexer.cxx
index 2f2ace4..4256422 100644
--- a/libbuild2/lexer.cxx
+++ b/libbuild2/lexer.cxx
@@ -111,6 +111,9 @@ namespace build2
       }
     case lexer_mode::eval:
       {
+        // NOTE: remember to update special() lambda in parse_names() if
+        //       adding any new single-character tokens to the eval mode.
+        //
         s1 = ":<>=!&|?, $(){}#\t\n";
         s2 = "   = &|           ";
         break;
-- 
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