2 * Copyright (c) 2004 Scott Ullrich <GeekGod@GeekGod.com>
3 * Portions Copyright (c) 2004 Chris Pressey <cpressey@catseye.mine.nu>
5 * Copyright (c) 2004 The DragonFly Project.
8 * This code is derived from software contributed to The DragonFly Project
9 * by Scott Ullrich and Chris Pressey (see above for e-mail addresses).
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in
20 * the documentation and/or other materials provided with the
23 * 3. Neither the name of The DragonFly Project nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific, prior written permission.
27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
30 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
31 * COPYRIGHT HOLDERS, CONTRIBUTORS OR VOICES IN THE AUTHOR'S HEAD
32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY
33 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
34 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
35 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
36 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
37 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
38 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
40 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
41 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
43 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * $Id: lua_dfui.h,v 1.69 2005/02/22 07:16:48 cpressey Exp $
58 * Macro to define a function that checks that the Lua
59 * data object at `index' on Lua's stack is a userdata object
60 * of Lua type `sname' and C type `type'.
61 * If not, the function throws a Lua error, but if so,
62 * it returns the object.
64 #define LUA_CHECK_FUNCTION(name, sname, type) \
65 type lua_check_##name(lua_State *, int); \
67 lua_check_##name(lua_State *L, int ch_index) \
69 luaL_checktype(L, ch_index, LUA_TUSERDATA); \
70 lua_getmetatable(L, ch_index); \
71 lua_pushliteral(L, sname "Meta"); \
72 lua_rawget(L, LUA_GLOBALSINDEX); \
73 if (!lua_rawequal(L, -1, -2)) \
74 luaL_typerror(L, ch_index, sname); \
76 return((type)lua_unboxpointer(L, ch_index)); \
80 * Macro to definate a function which pushes a
81 * Lua `sname' object onto Lua's stack.
83 #define LUA_PUSH_FUNCTION(name, sname, type) \
84 type lua_push_##name(lua_State *, type); \
86 lua_push_##name(lua_State *L, type x) \
88 lua_boxpointer(L, x); \
89 lua_pushliteral(L, sname "Meta"); \
90 lua_gettable(L, LUA_GLOBALSINDEX); \
91 lua_setmetatable(L, -2); \
95 struct dfui_connection;
97 void lua_set_instance_handler(lua_State *L,
98 const char *table_name, const char *metatable_name);
99 const char *lua_access_table_string(lua_State *, int, const char *);
100 void lua_show_debug(lua_State *);
101 void lua_pushfileptr(lua_State *, FILE *);
103 LUA_API int lua_dfui_register(lua_State *);
104 LUA_API int lua_dfui_progress_register(lua_State *);
106 LUA_API int luaopen_ldfui(lua_State *);
108 #endif /* !_DFUIBE_LUA_H_ */