From 977d07a3ae47ef204665d1eda2d642e5064724f3 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 24 Jun 2019 12:01:19 +0200
Subject: Split build system into library and driver

---
 libbuild2/file.ixx | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 libbuild2/file.ixx

(limited to 'libbuild2/file.ixx')

diff --git a/libbuild2/file.ixx b/libbuild2/file.ixx
new file mode 100644
index 0000000..f8a79be
--- /dev/null
+++ b/libbuild2/file.ixx
@@ -0,0 +1,31 @@
+// file      : libbuild2/file.ixx -*- C++ -*-
+// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#include <libbuild2/export.hxx>
+
+namespace build2
+{
+  inline bool
+  source_once (scope& root, scope& base, const path& bf)
+  {
+    return source_once (root, base, bf, base);
+  }
+
+  LIBBUILD2_SYMEXPORT const target*
+  import (const prerequisite_key&, bool existing);
+
+  inline const target&
+  import (const prerequisite_key& pk)
+  {
+    assert (phase == run_phase::match);
+    return *import (pk, false);
+  }
+
+  inline const target*
+  import_existing (const prerequisite_key& pk)
+  {
+    assert (phase == run_phase::match || phase == run_phase::execute);
+    return import (pk, true);
+  }
+}
-- 
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