From 51aabbc8814c229e48c02836a32c402834c3425e Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Thu, 14 Oct 2021 10:22:31 +0200
Subject: Add ability to detect sole expansion in parser::parse_names()

---
 libbuild2/parser.hxx | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'libbuild2/parser.hxx')

diff --git a/libbuild2/parser.hxx b/libbuild2/parser.hxx
index 4cf52e9..0390e26 100644
--- a/libbuild2/parser.hxx
+++ b/libbuild2/parser.hxx
@@ -433,15 +433,16 @@ namespace build2
     // those places. Still it may make sense to look into redesigning the
     // whole thing one day.
     //
-    // Currently the only way for the result to be NULL or have a type is if
+    // Currently the only way for the result to be NULL or to have type is if
     // it is the result of a sole, unquoted variable expansion, function call,
-    // or context evaluation.
+    // or context evaluation. In these cases value is set to true.
     //
     // In the pre-parse mode no names are appended and the result is always
     // {true, nullptr, nullopt}.
     //
     struct parse_names_result
     {
+      bool value;
       bool not_null;
       const value_type* type;
       optional<const target_type*> pattern;
-- 
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