93 lines
3.1 KiB
C++
93 lines
3.1 KiB
C++
// Copyright (c) 2003 Daniel Wallin and Arvid Norberg
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
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// ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
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// TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
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// PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
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// SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
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// ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
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// OR OTHER DEALINGS IN THE SOFTWARE.
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#ifndef LUABIND_ERROR_HPP_INCLUDED
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#define LUABIND_ERROR_HPP_INCLUDED
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#include <luabind/prefix.hpp>
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#include <exception>
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#include <luabind/config.hpp>
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#include <luabind/error_callback_fun.hpp>
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#include <luabind/lua_state_fwd.hpp>
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#ifndef LUABIND_NO_EXCEPTIONS
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#include <luabind/typeid.hpp>
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#endif
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namespace luabind
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{
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#ifndef LUABIND_NO_EXCEPTIONS
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// this exception usually means that the lua function you called
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// from C++ failed with an error code. You will have to
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// read the error code from the top of the lua stack
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// the reason why this exception class doesn't contain
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// the message itself is that std::string's copy constructor
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// may throw, if the copy constructor of an exception that is
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// being thrown throws another exception, terminate will be called
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// and the entire application is killed.
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class LUABIND_API error : public std::exception
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{
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public:
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explicit error(lua_State* L): m_L(L) {}
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lua_State* state() const throw() { return m_L; }
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virtual const char* what() const throw()
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{
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return "lua runtime error";
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}
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private:
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lua_State* m_L;
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};
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// if an object_cast<>() fails, this is thrown
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// it is also thrown if the return value of
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// a lua function cannot be converted
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class LUABIND_API cast_failed : public std::exception
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{
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public:
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cast_failed(lua_State* L, type_id const& i): m_L(L), m_info(i) {}
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lua_State* state() const throw() { return m_L; }
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type_id info() const throw() { return m_info; }
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virtual const char* what() const throw() { return "unable to make cast"; }
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private:
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lua_State* m_L;
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type_id m_info;
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};
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#else
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LUABIND_API void set_error_callback(error_callback_fun e);
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LUABIND_API void set_cast_failed_callback(cast_failed_callback_fun c);
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LUABIND_API error_callback_fun get_error_callback();
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LUABIND_API cast_failed_callback_fun get_cast_failed_callback();
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#endif
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LUABIND_API void set_pcall_callback(pcall_callback_fun e);
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LUABIND_API pcall_callback_fun get_pcall_callback();
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}
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#endif // LUABIND_ERROR_HPP_INCLUDED
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