From e4f41c7319261b9585bd501256664679457e1d9d Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 7 Aug 2018 14:59:07 +0200
Subject: Add support for default extension specification, trailing dot
 escaping

For example:

cxx{*}: extension = cxx

cxx{foo}         # foo.cxx
cxx{foo.test}    # foo.test      (probably what we want...)
cxx{foo.test...} # foo.test.cxx  (... is this)
cxx{foo..}       # foo.
cxx{foo....}     # foo..
cxx{foo.....}    # error (must come in escape pair)
---
 build2/target.hxx | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

(limited to 'build2/target.hxx')

diff --git a/build2/target.hxx b/build2/target.hxx
index db5de67..127940a 100644
--- a/build2/target.hxx
+++ b/build2/target.hxx
@@ -648,6 +648,18 @@ namespace build2
     static const target_type static_type;
 
   public:
+    // Split the name leaf into target name (in place) and extension
+    // (returned).
+    //
+    static optional<string>
+    split_name (string&, const location&);
+
+    // Combine the target name and extension into the name leaf.
+    //
+    static void
+    combine_name (string&, const optional<string>&);
+
+  public:
     virtual
     ~target ();
 
@@ -1704,7 +1716,9 @@ namespace build2
 
   template <const char* ext>
   bool
-  target_pattern_fix (const target_type&, const scope&, string&, bool);
+  target_pattern_fix (const target_type&, const scope&,
+                      string&, optional<string>&,
+                      bool);
 
   // Get the extension from the variable or use the default if none set. If
   // the default is NULL, then return NULL.
@@ -1715,7 +1729,9 @@ namespace build2
 
   template <const char* var, const char* def>
   bool
-  target_pattern_var (const target_type&, const scope&, string&, bool);
+  target_pattern_var (const target_type&, const scope&,
+                      string&, optional<string>&,
+                      bool);
 
   // Always return NULL extension.
   //
-- 
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