From 995cd7946bf605804603fe79c6cef1ddf6db83b5 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 21 Feb 2022 06:51:45 +0200
Subject: Ban module names that start with underscore

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

(limited to 'libbuild2/parser.cxx')

diff --git a/libbuild2/parser.cxx b/libbuild2/parser.cxx
index bec3230..b76bb18 100644
--- a/libbuild2/parser.cxx
+++ b/libbuild2/parser.cxx
@@ -3348,6 +3348,9 @@ namespace build2
 
       n = move (i->value);
 
+      if (n[0] == '_')
+        fail (l) << "module name '" << n << "' starts with underscore";
+
       if (i->pair)
       try
       {
-- 
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