common/lqt_common.hpp

   1 /*
   2  * Copyright (c) 2007-2008 Mauro Iazzi
   3  *
   4  * Permission is hereby granted, free of charge, to any person
   5  * obtaining a copy of this software and associated documentation
   6  * files (the "Software"), to deal in the Software without
   7  * restriction, including without limitation the rights to use,
   8  * copy, modify, merge, publish, distribute, sublicense, and/or sell
   9  * copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following
  11  * conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be
  14  * included in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  18  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  20  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  21  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23  * OTHER DEALINGS IN THE SOFTWARE.
  24  *
  25  */
  26
  27 #ifndef __LQT_COMMON_HPP
  28 #define __LQT_COMMON_HPP
  29
  30 #ifdef _WIN32
  31 #define LQT_EXPORT  __declspec(dllexport)
  32 #else
  33 #define LQT_EXPORT
  34 #endif
  35
  36 extern "C" {
  37 #include <lua.h>
  38 #include <lualib.h>
  39 #include <lauxlib.h>
  40 }
  41
  42 //#include <iostream>
  43
  44 //#define lqtL_register(L, p, n) ( (void)L, (void)p, (void)n )
  45 //#define lqtL_unregister(L, p) ( (void)L, (void)p )
  46
  47 #define LQT_POINTERS "Registry Pointers"
  48 #define LQT_REFS "Registry References"
  49 #define LQT_ENUMS "Registry Enums"
  50 #define LQT_PCALL "Registry PCall Pointer"
  51
  52 // Qt-specific fields
  53 #define LQT_METACALLER "Registry MetaCaller"
  54 #define LQT_OBJMETASTRING "Lqt MetaStringData"
  55 #define LQT_OBJMETADATA "Lqt MetaData"
  56 #define LQT_OBJSLOTS "Lqt Slots"
  57 #define LQT_OBJSIGS "Lqt Signatures"
  58
  59 // macro to ge positive indexes
  60 #define LQT_TOPOSITIVE(L, i) (((i)<0)?(lua_gettop(L)+1+(i)):(i))
  61
  62 // use standard pcall by default
  63 #ifndef LQT_DEBUG
  64 #define lqtL_pcall(L, n, r, e) lua_pcall(L, n, r, e)
  65 #else  // LQT_DEBUG
  66 #define lqtL_pcall(L, n, r, e) lqtL_pcall_debug(L, n, r, e)
  67 #endif // LQT_DEBUG
  68
  69 typedef int (*lqt_PCallPtr) (lua_State *L, int nargs, int nresults, int errfunc);
  70
  71 void lqtL_register(lua_State *, const void *);
  72 void lqtL_unregister(lua_State *, const void *);
  73
  74 //int& lqtL_tointref (lua_State *, int);
  75
  76 //void lqtL_pusharguments (lua_State *, char**);
  77 //char** lqtL_toarguments (lua_State *, int);
  78 //bool lqtL_testarguments (lua_State *, int);
  79
  80 //void lqtL_manageudata (lua_State *, int);
  81 //void lqtL_unmanageudata (lua_State *, int);
  82 void lqtL_pushudata (lua_State *, const void *, const char *);
  83 void lqtL_passudata (lua_State *, const void *, const char *);
  84 void lqtL_copyudata (lua_State *, const void *, const char *);
  85 void * lqtL_toudata (lua_State *, int, const char *);
  86 bool lqtL_testudata (lua_State *, int, const char *);
  87 //#define lqtL_checkudata(a...) luaL_checkudata(a)
  88 void * lqtL_checkudata (lua_State *, int, const char *);
  89 void lqtL_eraseudata (lua_State *, int, const char *);
  90 #define lqtL_isudata lqtL_testudata
  91
  92 void lqtL_pushenum (lua_State *, int, const char *);
  93 bool lqtL_isenum (lua_State *, int, const char *);
  94 int lqtL_toenum (lua_State *, int, const char *);
  95
  96 bool lqtL_isinteger (lua_State *, int);
  97 bool lqtL_isnumber (lua_State *, int);
  98 bool lqtL_isstring (lua_State *, int);
  99 bool lqtL_isboolean (lua_State *, int);
 100
 101 bool lqtL_missarg (lua_State *, int, int);
 102 //int lqtL_baseindex (lua_State *, int, int);
 103
 104 //int lqtL_gc (lua_State *);
 105 //int lqtL_index (lua_State *);
 106 //int lqtL_newindex (lua_State *);
 107
 108 typedef struct {
 109     const char *name;
 110     int value;
 111 } lqt_Enum;
 112
 113 typedef struct {
 114     lqt_Enum *enums;
 115     const char *name;
 116 } lqt_Enumlist;
 117
 118 int lqtL_createenumlist (lua_State *, lqt_Enumlist[]);
 119
 120 typedef struct {
 121     const char *basename;
 122     ptrdiff_t offset;
 123 } lqt_Base;
 124
 125 typedef struct {
 126     luaL_Reg *mt;
 127     lqt_Base *bases;
 128     const char * name;
 129 } lqt_Class;
 130
 131 int lqtL_createclass (lua_State *, const char *, luaL_Reg *, lqt_Base *);
 132
 133 /* functions to get/push special types */
 134
 135 bool * lqtL_toboolref (lua_State *, int);
 136 void * lqtL_getref (lua_State *, size_t, bool);
 137 int * lqtL_tointref (lua_State *, int);
 138 char ** lqtL_toarguments (lua_State *, int);
 139 void lqtL_pusharguments (lua_State *, char **);
 140
 141 int lqtL_getflags (lua_State *, int, const char *);
 142 void lqtL_pushflags (lua_State *, int, const char *);
 143 #define lqtL_isflags(L, i) (lua_istable((L), (i)) || lqtL_isinteger((L), (i)))
 144
 145 int lqtL_touintarray (lua_State *);
 146
 147 int lqtL_pcall_debug (lua_State *L, int narg, int nres, int err);
 148
 149 int lqtL_getoverload (lua_State *L, int index, const char *name);
 150
 151 #endif // __LQT_COMMON_HPP
 152