summaryrefslogtreecommitdiff
path: root/libs/lua/LuaBridge/detail/TypeList.h
diff options
context:
space:
mode:
Diffstat (limited to 'libs/lua/LuaBridge/detail/TypeList.h')
-rw-r--r--libs/lua/LuaBridge/detail/TypeList.h174
1 files changed, 174 insertions, 0 deletions
diff --git a/libs/lua/LuaBridge/detail/TypeList.h b/libs/lua/LuaBridge/detail/TypeList.h
new file mode 100644
index 0000000000..21f850e89d
--- /dev/null
+++ b/libs/lua/LuaBridge/detail/TypeList.h
@@ -0,0 +1,174 @@
+//------------------------------------------------------------------------------
+/*
+ https://github.com/vinniefalco/LuaBridge
+
+ Copyright 2012, Vinnie Falco <vinnie.falco@gmail.com>
+ Copyright 2007, Nathan Reed
+
+ License: The MIT License (http://www.opensource.org/licenses/mit-license.php)
+
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ furnished to do so, subject to the following conditions:
+
+ The above copyright notice and this permission notice shall be included in all
+ copies or substantial portions of the Software.
+
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ SOFTWARE.
+
+ This file incorporates work covered by the following copyright and
+ permission notice:
+
+ The Loki Library
+ Copyright (c) 2001 by Andrei Alexandrescu
+ This code accompanies the book:
+ Alexandrescu, Andrei. "Modern C++ Design: Generic Programming and Design
+ Patterns Applied". Copyright (c) 2001. Addison-Wesley.
+ Permission to use, copy, modify, distribute and sell this software for any
+ purpose is hereby granted without fee, provided that the above copyright
+ notice appear in all copies and that both that copyright notice and this
+ permission notice appear in supporting documentation.
+ The author or Addison-Welsey Longman make no representations about the
+ suitability of this software for any purpose. It is provided "as is"
+ without express or implied warranty.
+*/
+//==============================================================================
+
+/**
+ None type means void parameters or return value.
+*/
+typedef void None;
+
+template <typename Head, typename Tail = None>
+struct TypeList
+{
+};
+
+/**
+ A TypeList with actual values.
+*/
+template <typename List>
+struct TypeListValues
+{
+ static std::string const tostring (bool)
+ {
+ return "";
+ }
+};
+
+/**
+ TypeListValues recursive template definition.
+*/
+template <typename Head, typename Tail>
+struct TypeListValues <TypeList <Head, Tail> >
+{
+ Head hd;
+ TypeListValues <Tail> tl;
+
+ TypeListValues (Head hd_, TypeListValues <Tail> const& tl_)
+ : hd (hd_), tl (tl_)
+ {
+ }
+
+ static std::string const tostring (bool comma = false)
+ {
+ std::string s;
+
+ if (comma)
+ s = ", ";
+
+ s = s + typeid (Head).name ();
+
+ return s + TypeListValues <Tail>::tostring (true);
+ }
+};
+
+// Specializations of type/value list for head types that are references and
+// const-references. We need to handle these specially since we can't count
+// on the referenced object hanging around for the lifetime of the list.
+
+template <typename Head, typename Tail>
+struct TypeListValues <TypeList <Head&, Tail> >
+{
+ Head hd;
+ TypeListValues <Tail> tl;
+
+ TypeListValues (Head& hd_, TypeListValues <Tail> const& tl_)
+ : hd (hd_), tl (tl_)
+ {
+ }
+
+ static std::string const tostring (bool comma = false)
+ {
+ std::string s;
+
+ if (comma)
+ s = ", ";
+
+ s = s + typeid (Head).name () + "&";
+
+ return s + TypeListValues <Tail>::tostring (true);
+ }
+};
+
+template <typename Head, typename Tail>
+struct TypeListValues <TypeList <Head const&, Tail> >
+{
+ Head hd;
+ TypeListValues <Tail> tl;
+
+ TypeListValues (Head const& hd_, const TypeListValues <Tail>& tl_)
+ : hd (hd_), tl (tl_)
+ {
+ }
+
+ static std::string const tostring (bool comma = false)
+ {
+ std::string s;
+
+ if (comma)
+ s = ", ";
+
+ s = s + typeid (Head).name () + " const&";
+
+ return s + TypeListValues <Tail>::tostring (true);
+ }
+};
+
+//==============================================================================
+/**
+ Subclass of a TypeListValues constructable from the Lua stack.
+*/
+
+template <typename List, int Start = 1>
+struct ArgList
+{
+};
+
+template <int Start>
+struct ArgList <None, Start> : public TypeListValues <None>
+{
+ ArgList (lua_State*)
+ {
+ }
+};
+
+template <typename Head, typename Tail, int Start>
+struct ArgList <TypeList <Head, Tail>, Start>
+ : public TypeListValues <TypeList <Head, Tail> >
+{
+ ArgList (lua_State* L)
+ : TypeListValues <TypeList <Head, Tail> > (Stack <Head>::get (L, Start),
+ ArgList <Tail, Start + 1> (L))
+ {
+ }
+};