From 6a2d1e3062964fc16cfbc43bc69284f854c35dca Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 18 Nov 2020 08:00:16 +0200
Subject: Handle C++20 module partitions in scanner

---
 libbuild2/cc/lexer.cxx | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'libbuild2/cc/lexer.cxx')

diff --git a/libbuild2/cc/lexer.cxx b/libbuild2/cc/lexer.cxx
index 123a41e..beeb970 100644
--- a/libbuild2/cc/lexer.cxx
+++ b/libbuild2/cc/lexer.cxx
@@ -377,9 +377,13 @@ namespace build2
             xchar p (peek ());
 
             if (p == ':')
+            {
               geth (p);
+              t.type = type::scope;
+            }
+            else
+              t.type = type::colon;
 
-            t.type = type::punctuation;
             return;
           }
           // Number (and also .<N> above).
@@ -1158,6 +1162,8 @@ namespace build2
       {
       case type::dot:         o << "'.'";                   break;
       case type::semi:        o << "';'";                   break;
+      case type::colon:       o << "':'";                   break;
+      case type::scope:       o << "'::'";                  break;
       case type::less:        o << "'<'";                   break;
       case type::greater:     o << "'>'";                   break;
       case type::lcbrace:     o << "'{'";                   break;
-- 
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