From ad720fabd468974e3909f62a0f4e4e3cf0d03aef Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 15 Apr 2015 11:59:58 +0200
Subject: Initial library support

---
 build/variable | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

(limited to 'build/variable')

diff --git a/build/variable b/build/variable
index f994b58..6c14477 100644
--- a/build/variable
+++ b/build/variable
@@ -100,7 +100,7 @@ namespace build
     explicit operator bool () const {return defined () && !null ();}
     explicit operator value_ptr& () const {return *p;}
 
-    scope_type* scope;
+    scope_type* scope; // If NULL, then this is a target variable.
 
     // Get interface. See available specializations below.
     //
@@ -119,6 +119,11 @@ namespace build
     const value_proxy&
     operator= (std::string) const;
 
+    // Append enother simple name to list_value.
+    //
+    const value_proxy&
+    operator+= (std::string) const;
+
     const value_proxy&
     operator= (dir_path) const;
 
@@ -218,7 +223,7 @@ namespace build
     value_proxy
     operator[] (const variable& v)
     {
-      return value_proxy (&base::operator[] (v), &scope_);
+      return value_proxy (&base::operator[] (v), scope_);
     }
 
     value_proxy
@@ -234,7 +239,7 @@ namespace build
       return i != end ()
         // @@ To do this properly we seem to need ro_value_proxy.
         //
-        ? value_proxy (&const_cast<value_ptr&> (i->second), &scope_)
+        ? value_proxy (&const_cast<value_ptr&> (i->second), scope_)
         : value_proxy (nullptr, nullptr);
     }
 
@@ -251,10 +256,11 @@ namespace build
     }
 
     explicit
-    variable_map (scope& s): scope_ (s) {}
+    variable_map (scope* s): scope_ (s) {}
 
   private:
-    scope& scope_; // Scope to which this map belongs (and all its value).
+    scope* scope_; // Scope to which this map belongs or NULL if this
+                   // is a target variable map.
   };
 }
 
-- 
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