From 218a739b33325c5dd6baa5cf6291dad849ad2441 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 14 Dec 2022 08:03:32 +0200
Subject: Handle NULL values in $string() and $concat() functions

This is relied upon by the parser to provide conversion/concatenation
semantics consistent with untyped values. Note that we handle NULL values
only for types that have empty representation.
---
 libbuild2/parser.cxx | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'libbuild2/parser.cxx')

diff --git a/libbuild2/parser.cxx b/libbuild2/parser.cxx
index dd2944d..812f201 100644
--- a/libbuild2/parser.cxx
+++ b/libbuild2/parser.cxx
@@ -7719,7 +7719,8 @@ namespace build2
           // then it should not be overloaded for a type). In a quoted
           // context we use $string() which returns a "canonical
           // representation" (e.g., a directory path without a trailing
-          // slash).
+          // slash). Note: looks like we use typed $concat() now in the
+          // unquoted context.
           //
           if (result->type != nullptr && quoted)
           {
-- 
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