Add code generator infrastructure

1 files changed, 79 insertions, 0 deletions

diff --git a/odb/context.hxx b/odb/context.hxx
new file mode 100644
index 0000000..efdf610
--- /dev/null
+++ b/odb/context.hxx
@@ -0,0 +1,79 @@
+// file      : odb/context.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_CONTEXT_HXX
+#define ODB_CONTEXT_HXX
+
+#include <set>
+#include <map>
+#include <string>
+#include <ostream>
+#include <cstddef> // std::size_t
+
+#include <cutl/shared-ptr.hxx>
+
+#include <options.hxx>
+#include <semantics.hxx>
+#include <traversal.hxx>
+
+using std::endl;
+
+class generation_failed {};
+
+class context
+{
+public:
+  typedef std::size_t size_t;
+  typedef std::string string;
+  typedef ::options options_type;
+
+private:
+  struct data;
+  cutl::shared_ptr<data> data_;
+
+public:
+  std::ostream& os;
+  semantics::unit& unit;
+  options_type const& options;
+
+private:
+  struct data
+  {
+  };
+
+public:
+  context (std::ostream&, semantics::unit&, options_type const&);
+  context (context&);
+
+private:
+  context&
+  operator= (context const&);
+};
+
+// Checks if scope Y names any of X.
+//
+template <typename X, typename Y>
+bool
+has (Y& y)
+{
+  for (semantics::scope::names_iterator i (y.names_begin ()),
+         e (y.names_end ()); i != e; ++i)
+    if (i->named (). template is_a<X> ())
+      return true;
+
+  return false;
+}
+
+// Standard namespace traverser.
+//
+struct namespace_: traversal::namespace_, context
+{
+  namespace_ (context& c) : context (c) {}
+
+  virtual void
+  traverse (type&);
+};
+
+#endif // ODB_CONTEXT_HXX