From e0de4f26fcf598b4f6beaa2847c4d43a4c761f5b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 1 Apr 2015 12:18:40 +0200
Subject: Warn about configured/command line value mismatch

Also store configured but unspecified values
---
 build/variable.ixx | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 build/variable.ixx

(limited to 'build/variable.ixx')

diff --git a/build/variable.ixx b/build/variable.ixx
new file mode 100644
index 0000000..85fdd50
--- /dev/null
+++ b/build/variable.ixx
@@ -0,0 +1,46 @@
+// file      : build/variable.ixx -*- C++ -*-
+// copyright : Copyright (c) 2014-2015 Code Synthesis Tools CC
+// license   : MIT; see accompanying LICENSE file
+
+namespace build
+{
+  inline const value_proxy& value_proxy::
+  operator= (value_ptr v) const
+  {
+    assert (v == nullptr || &v->scope == s);
+    *p = std::move (v);
+    return *this;
+  }
+
+  inline const value_proxy& value_proxy::
+  operator= (const value_proxy& v) const
+  {
+    if (this != &v)
+    {
+      if (v)
+        *p = v.as<const value&> ().clone (*s);
+      else
+        p->reset ();
+    }
+
+    return *this;
+  }
+
+  inline const value_proxy& value_proxy::
+  operator= (std::string v) const
+  {
+    // In most cases this is used to initialize a new variable, so
+    // don't bother trying to optimize for the case where p is not
+    // NULL.
+    //
+    p->reset (new list_value (*s, std::move (v)));
+    return *this;
+  }
+
+  inline const value_proxy& value_proxy::
+  operator= (path v) const
+  {
+    p->reset (new list_value (*s, std::move (v)));
+    return *this;
+  }
+}
-- 
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