Update idea: C++ modules support

Add module test for Clang and VC

1 files changed, 43 insertions, 0 deletions

diff --git a/build2/cxx-modules/modtest/bar b/build2/cxx-modules/modtest/bar
new file mode 100644
index 0000000..bc14c7c
--- /dev/null
+++ b/build2/cxx-modules/modtest/bar
@@ -0,0 +1,43 @@
+// file      : bar -*- C++ -*-
+// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+// #include <string>
+
+// Define bar module interface.
+//
+// For VC must be included only into module implementation (bar.cxx). The
+// module should be imported into consumer file with import declaration.
+//
+// For CLang must be #included into both module implementation and consumer
+// files.
+//
+
+#if defined(MODTEST_USE_MODULES) && defined(_MSC_VER)
+module bar;
+export
+{
+#endif
+
+int
+bar_value (int v);
+
+struct bar
+{
+  explicit bar (int v);
+
+  int
+  value ();
+
+//  std::string
+//  message (const char* s) const;
+
+private:
+  int v_;
+};
+
+// Close module export declaration.
+//
+#if defined(MODTEST_USE_MODULES) && defined(_MSC_VER)
+}
+#endif