From 6b3e75edf034ebcbd048a24c283c7bcf7b1da019 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 25 May 2021 11:19:04 +0200
Subject: Add support for regex-based target type/pattern specific variables

This is in addition to the already supported path-based target type/pattern
specific variables. For example:

hxx{*}:     x = y  # path-based
hxx{~/.*/}: x = y  # regex-based
---
 libbuild2/dump.cxx | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'libbuild2/dump.cxx')

diff --git a/libbuild2/dump.cxx b/libbuild2/dump.cxx
index bc44b24..23d430e 100644
--- a/libbuild2/dump.cxx
+++ b/libbuild2/dump.cxx
@@ -147,6 +147,9 @@ namespace build2
                   const variable_type_map& vtm,
                   const scope& s)
   {
+    using pattern = variable_pattern_map::pattern;
+    using pattern_type = variable_pattern_map::pattern_type;
+
     for (const auto& vt: vtm)
     {
       const target_type& t (vt.first);
@@ -154,7 +157,7 @@ namespace build2
 
       for (const auto& vp: vpm)
       {
-        const string p (vp.first);
+        const pattern& pat (vp.first);
         const variable_map& vars (vp.second);
 
         os << endl
@@ -163,7 +166,10 @@ namespace build2
         if (t != target::static_type)
           os << t.name << '{';
 
-        os << p;
+        if (pat.type == pattern_type::regex_pattern)
+          os << '~';
+
+        os << pat.text;
 
         if (t != target::static_type)
           os << '}';
-- 
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