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call.hpp
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call_function.hpp
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call_member.hpp
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call_operator_iterate.hpp
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class_registry.hpp
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class_rep.hpp
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constructor.hpp
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convert_to_lua.hpp
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debug.hpp
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decorate_type.hpp
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deduce_signature.hpp
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enum_maker.hpp
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format_signature.hpp
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garbage_collector.hpp
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has_get_pointer.hpp
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inheritance.hpp
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instance_holder.hpp
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link_compatibility.hpp
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make_instance.hpp
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most_derived.hpp
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object.hpp
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object_call.hpp
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object_rep.hpp
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operator_id.hpp
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other.hpp
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pcall.hpp
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pointee_sizeof.hpp
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policy.hpp
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primitives.hpp
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property.hpp
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signature_match.hpp
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stack_utils.hpp
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typetraits.hpp
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yes_no.hpp
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/usr/include/luabind/detail/class_rep.hpp
(6235B)
// Copyright (c) 2003 Daniel Wallin and Arvid Norberg // 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. #ifndef LUABIND_CLASS_REP_HPP_INCLUDED #define LUABIND_CLASS_REP_HPP_INCLUDED #include <luabind/config.hpp> #include <luabind/handle.hpp> #include <luabind/typeid.hpp> #include <luabind/lua_state_fwd.hpp> #include <map> #include <utility> #include <vector> namespace luabind { namespace detail { struct class_registration; // This function is used as a tag to identify "properties". LUABIND_API int property_tag(lua_State*); extern char classrep_tag; // Not used in headers, thus no LUABIND_API. // this is class-specific information, poor man's vtable // this is allocated statically (removed by the compiler) // a pointer to this structure is stored in the lua tables' // metatable with the name __classrep // it is used when matching parameters to function calls // to determine possible implicit casts // it is also used when finding the best match for overloaded // methods class cast_graph; class class_id_map; class LUABIND_API class_rep { friend struct class_registration; friend int super_callback(lua_State*); public: enum class_type { cpp_class = 0, lua_class = 1 }; // EXPECTS THE TOP VALUE ON THE LUA STACK TO // BE THE USER DATA WHERE THIS CLASS IS BEING // INSTANTIATED! class_rep(type_id const& type , const char* name , lua_State* L ); // used when creating a lua class // EXPECTS THE TOP VALUE ON THE LUA STACK TO // BE THE USER DATA WHERE THIS CLASS IS BEING // INSTANTIATED! class_rep(lua_State* L, const char* name); ~class_rep(); std::pair<void*,void*> allocate(lua_State* L) const; // this is called as metamethod __call on the class_rep. static int constructor_dispatcher(lua_State* L); void add_base_class(class_rep* bcrep); const std::vector<class_rep*>& bases() const LUABIND_NOEXCEPT { return m_bases; } void set_type(type_id const& t) { m_type = t; } type_id const& type() const LUABIND_NOEXCEPT { return m_type; } const char* name() const LUABIND_NOEXCEPT { return m_name; } // the lua reference to the metatable for this class' instances int metatable_ref() const LUABIND_NOEXCEPT { return m_instance_metatable; } void get_table(lua_State* L) const { m_table.push(L); } void get_default_table(lua_State* L) const { m_default_table.push(L); } class_type get_class_type() const { return m_class_type; } void add_static_constant(const char* name, int val); static int super_callback(lua_State* L); static int lua_settable_dispatcher(lua_State* L); // called from the metamethod for __index // obj is the object pointer static int static_class_gettable(lua_State* L); static int tostring(lua_State* L); // for __tostring cast_graph const& casts() const { return *m_casts; } class_id_map const& classes() const { return *m_classes; } private: // Code common to both constructors void shared_init(lua_State * L); // this is a pointer to the type_info structure for // this type // warning: this may be a problem when using dll:s, since // typeid() may actually return different pointers for the same // type. type_id m_type; // a list of info for every class this class derives from // the information stored here is sufficient to do // type casts to the base classes std::vector<class_rep*> m_bases; // the class' name (as given when registered to lua with class_) const char* m_name; // a reference to this structure itself. Since this struct // is kept inside lua (to let lua collect it when lua_close() // is called) we need to lock it to prevent collection. // the actual reference is not currently used. handle m_self_ref; // this should always be used when accessing // members in instances of a class. // this table contains c closures for all // member functions in this class, they // may point to both static and virtual functions handle m_table; // this table contains default implementations of the // virtual functions in m_table. handle m_default_table; // the type of this class.. determines if it's written in c++ or lua class_type m_class_type; // this is a lua reference that points to the lua table // that is to be used as meta table for all instances // of this class. int m_instance_metatable; std::map<const char*, int, ltstr> m_static_constants; cast_graph* m_casts; class_id_map* m_classes; }; bool is_class_rep(lua_State* L, int index); }} //#include <luabind/detail/overload_rep_impl.hpp> #endif // LUABIND_CLASS_REP_HPP_INCLUDED
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