1 module luad.c.lauxlib;
2 import luad.c.luaconf;
3 /*
4 ** Auxiliary functions for building Lua libraries
5 ** See Copyright Notice in lua.h
6 */
7 
8 
9 //C	 #ifndef lauxlib_h
10 //C	 #define lauxlib_h
11 
12 
13 //C	 #include <stddef.h>
14 //import std.stddef;
15 //C	 #include <stdio.h>
16 //import std.stdio;
17 
18 //C	 #include "lua.h"
19 import luad.c.lua;
20 
21 extern (C):
22 
23 //C	 #if defined(LUA_COMPAT_GETN)
24 //C	 LUALIB_API int (luaL_getn) (lua_State *L, int t);
25 //C	 LUALIB_API void (luaL_setn) (lua_State *L, int t, int n);
26 //C	 #else
27 //C	 #define luaL_getn(L,i)		  ((int)lua_objlen(L, i))
28 //C	 #define luaL_setn(L,i,j)		((void)0)  /* no op! */
29 //C	 #endif
30 int luaL_getn(lua_State* L, int i) { return cast(int) lua_objlen(L, i); }
31 
32 void luaL_setn(lua_State* L, int i, int j) { }
33 
34 //C	 #if defined(LUA_COMPAT_OPENLIB)
35 //C	 #define luaI_openlib	luaL_openlib
36 //C	 #endif
37 alias luaL_openlib luaI_openlib;
38 
39 
40 /* extra error code for `luaL_load' */
41 //C	 #define LUA_ERRFILE	 (LUA_ERRERR+1)
42 
43 
44 //C	 typedef struct luaL_Reg {
45 //C	   const char *name;
46 //C	   lua_CFunction func;
47 //C	 } luaL_Reg;
48 struct luaL_Reg
49 {
50 	char* name;
51 	lua_CFunction func;
52 }
53 
54 
55 
56 //C	 LUALIB_API void (luaI_openlib) (lua_State *L, const char *libname,
57 //C									 const luaL_Reg *l, int nup);
58 void  luaL_openlib(lua_State *L, const(char)* libname, const luaL_Reg *l, int nup);
59 //C	 LUALIB_API void (luaL_register) (lua_State *L, const char *libname,
60 //C									 const luaL_Reg *l);
61 void  luaL_register(lua_State *L, const(char)* libname, const luaL_Reg *l);
62 //C	 LUALIB_API int (luaL_getmetafield) (lua_State *L, int obj, const char *e);
63 int  luaL_getmetafield(lua_State *L, int obj, const(char)* e);
64 //C	 LUALIB_API int (luaL_callmeta) (lua_State *L, int obj, const char *e);
65 int  luaL_callmeta(lua_State *L, int obj, const(char)* e);
66 //C	 LUALIB_API int (luaL_typerror) (lua_State *L, int narg, const char *tname);
67 int  luaL_typerror(lua_State *L, int narg, const(char)* tname);
68 //C	 LUALIB_API int (luaL_argerror) (lua_State *L, int numarg, const char *extramsg);
69 int  luaL_argerror(lua_State *L, int numarg, const(char)* extramsg);
70 //C	 LUALIB_API const char *(luaL_checklstring) (lua_State *L, int numArg,
71 //C															   size_t *l);
72 const(char)* luaL_checklstring(lua_State *L, int numArg, size_t *l);
73 //C	 LUALIB_API const char *(luaL_optlstring) (lua_State *L, int numArg,
74 //C											   const char *def, size_t *l);
75 const(char)* luaL_optlstring(lua_State *L, int numArg, const(char)* def, size_t *l);
76 //C	 LUALIB_API lua_Number (luaL_checknumber) (lua_State *L, int numArg);
77 lua_Number  luaL_checknumber(lua_State *L, int numArg);
78 //C	 LUALIB_API lua_Number (luaL_optnumber) (lua_State *L, int nArg, lua_Number def);
79 lua_Number  luaL_optnumber(lua_State *L, int nArg, lua_Number def);
80 
81 //C	 LUALIB_API lua_Integer (luaL_checkinteger) (lua_State *L, int numArg);
82 lua_Integer  luaL_checkinteger(lua_State *L, int numArg);
83 //C	 LUALIB_API lua_Integer (luaL_optinteger) (lua_State *L, int nArg,
84 //C											   lua_Integer def);
85 lua_Integer  luaL_optinteger(lua_State *L, int nArg, lua_Integer def);
86 
87 //C	 LUALIB_API void (luaL_checkstack) (lua_State *L, int sz, const char *msg);
88 void  luaL_checkstack(lua_State *L, int sz, const(char)* msg);
89 //C	 LUALIB_API void (luaL_checktype) (lua_State *L, int narg, int t);
90 void  luaL_checktype(lua_State *L, int narg, int t);
91 //C	 LUALIB_API void (luaL_checkany) (lua_State *L, int narg);
92 void  luaL_checkany(lua_State *L, int narg);
93 
94 //C	 LUALIB_API int   (luaL_newmetatable) (lua_State *L, const char *tname);
95 int  luaL_newmetatable(lua_State *L, const(char)* tname);
96 //C	 LUALIB_API void *(luaL_checkudata) (lua_State *L, int ud, const char *tname);
97 void * luaL_checkudata(lua_State *L, int ud, const(char)* tname);
98 
99 //C	 LUALIB_API void (luaL_where) (lua_State *L, int lvl);
100 void  luaL_where(lua_State *L, int lvl);
101 //C	 LUALIB_API int (luaL_error) (lua_State *L, const char *fmt, ...);
102 int  luaL_error(lua_State *L, const(char)* fmt,...);
103 
104 //C	 LUALIB_API int (luaL_checkoption) (lua_State *L, int narg, const char *def,
105 //C										const char *const lst[]);
106 int  luaL_checkoption(lua_State *L, int narg, const(char)* def, const(char*)* lst);
107 
108 //C	 LUALIB_API int (luaL_ref) (lua_State *L, int t);
109 int  luaL_ref(lua_State *L, int t);
110 //C	 LUALIB_API void (luaL_unref) (lua_State *L, int t, int ref);
111 void  luaL_unref(lua_State *L, int t, int _ref) nothrow;
112 
113 //C	 LUALIB_API int (luaL_loadfile) (lua_State *L, const char *filename);
114 	int  luaL_loadfile(lua_State *L, const(char)* filename);
115 //C	 LUALIB_API int (luaL_loadbuffer) (lua_State *L, const char *buff, size_t sz,
116 //C									   const char *name);
117 int  luaL_loadbuffer(lua_State *L, const(char)* buff, size_t sz, const(char)* name);
118 //C	 LUALIB_API int (luaL_loadstring) (lua_State *L, const char *s);
119 int  luaL_loadstring(lua_State *L, const(char)* s);
120 
121 //C	 LUALIB_API lua_State *(luaL_newstate) (void);
122 lua_State * luaL_newstate();
123 
124 
125 //C	 LUALIB_API const char *(luaL_gsub) (lua_State *L, const char *s, const char *p,
126 //C													   const char *r);
127 const(char)* luaL_gsub(lua_State *L, const(char)* s, const(char)* p, const(char)* r);
128 
129 //C	 LUALIB_API const char *(luaL_findtable) (lua_State *L, int idx,
130 //C											  const char *fname, int szhint);
131 const(char)* luaL_findtable(lua_State *L, int idx, const(char)* fname, int szhint);
132 
133 
134 
135 
136 /*
137 ** ===============================================================
138 ** some useful macros
139 ** ===============================================================
140 */
141 
142 //C	 #define luaL_argcheck(L, cond,numarg,extramsg)			((void)((cond) || luaL_argerror(L, (numarg), (extramsg))))
143 void luaL_argcheck(lua_State* L, int cond, int numarg, const(char)* extramsg) { if (!cond) luaL_argerror(L, numarg, extramsg); }
144 //C	 #define luaL_checkstring(L,n)	(luaL_checklstring(L, (n), NULL))
145 const(char)* luaL_checkstring(lua_State* L, int n) { return luaL_checklstring(L, n, null); }
146 //C	 #define luaL_optstring(L,n,d)	(luaL_optlstring(L, (n), (d), NULL))
147 const(char)* luaL_optstring(lua_State* L, int n, const(char)* d) { return luaL_optlstring(L, n, d, null); }
148 //C	 #define luaL_checkint(L,n)	((int)luaL_checkinteger(L, (n)))
149 int luaL_checkint(lua_State* L, int n) { return cast(int) luaL_checkinteger(L, n); }
150 //C	 #define luaL_optint(L,n,d)	((int)luaL_optinteger(L, (n), (d)))
151 int luaL_optint (lua_State* L, int n, int d) { return cast(int) luaL_optinteger(L, n, d); }
152 //C	 #define luaL_checklong(L,n)	((long)luaL_checkinteger(L, (n)))
153 long luaL_checklong(lua_State* L, int n) { return cast(long)luaL_checkinteger(L, n); }
154 //C	 #define luaL_optlong(L,n,d)	((long)luaL_optinteger(L, (n), (d)))
155 long luaL_optlong(lua_State* L, int n, int d) { return cast(long)luaL_optinteger(L, n, d); }
156 
157 //C	 #define luaL_typename(L,i)	lua_typename(L, lua_type(L,(i)))
158 const(char)* luaL_typename(lua_State* L, int i) nothrow { return lua_typename(L, lua_type(L, i)); }
159 
160 //C	 #define luaL_dofile(L, fn) 	(luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0))
161 int luaL_dofile(lua_State* L, const(char)* fn) { return luaL_loadfile(L, fn) || lua_pcall(L, 0, LUA_MULTRET, 0); }
162 
163 //C	 #define luaL_dostring(L, s) 	(luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0))
164 int luaL_dostring(lua_State*L, const(char)* s) { return luaL_loadstring(L, s) || lua_pcall(L, 0, LUA_MULTRET, 0); }
165 
166 //C	 #define luaL_getmetatable(L,n)	(lua_getfield(L, LUA_REGISTRYINDEX, (n)))
167 void luaL_getmetatable(lua_State* L, const(char)* s) { lua_getfield(L, LUA_REGISTRYINDEX, s); }
168 
169 //C	 #define luaL_opt(L,f,n,d)	(lua_isnoneornil(L,(n)) ? (d) : f(L,(n)))
170 bool luaL_opt(lua_State* L, int function(lua_State*, int) f, int n, int d) { return luaL_opt(L, f, n, d); }
171 
172 /*
173 ** {======================================================
174 ** Generic Buffer manipulation
175 ** =======================================================
176 */
177 
178 
179 
180 //C	 typedef struct luaL_Buffer {
181 //C	   char *p;			/* current position in buffer */
182 //C	   int lvl;  /* number of strings in the stack (level) */
183 //C	   lua_State *L;
184 //C	   char buffer[LUAL_BUFFERSIZE];
185 //C	 } luaL_Buffer;
186 struct luaL_Buffer
187 {
188 	char *p;
189 	int lvl;
190 	lua_State *L;
191 	char [LUAL_BUFFERSIZE]buffer;
192 }
193 //C	 #define luaL_addchar(B,c)   ((void)((B)->p < ((B)->buffer+LUAL_BUFFERSIZE) || luaL_prepbuffer(B)),	(*(B)->p++ = (char)(c)))
194 void luaL_addchar(luaL_Buffer* B, char c)
195 {
196 	if (B.p < B.buffer.ptr + LUAL_BUFFERSIZE || (luaL_prepbuffer(B)))
197 	{
198 		*B.p = c;
199 		B.p++;
200 	}
201 }
202 
203 /* compatibility only */
204 //C	 #define luaL_putchar(B,c)	luaL_addchar(B,c)
205 alias luaL_addchar luaL_putchar;
206 
207 //C	 #define luaL_addsize(B,n)	((B)->p += (n))
208 void luaL_addsize(luaL_Buffer* B, int n) { B.p += n; }
209 
210 //C	 LUALIB_API void (luaL_buffinit) (lua_State *L, luaL_Buffer *B);
211 void  luaL_buffinit(lua_State *L, luaL_Buffer *B);
212 //C	 LUALIB_API char *(luaL_prepbuffer) (luaL_Buffer *B);
213 char * luaL_prepbuffer(luaL_Buffer *B);
214 //C	 LUALIB_API void (luaL_addlstring) (luaL_Buffer *B, const char *s, size_t l);
215 void  luaL_addlstring(luaL_Buffer *B, const char *s, size_t l);
216 //C	 LUALIB_API void (luaL_addstring) (luaL_Buffer *B, const char *s);
217 void  luaL_addstring(luaL_Buffer *B, const char *s);
218 //C	 LUALIB_API void (luaL_addvalue) (luaL_Buffer *B);
219 void  luaL_addvalue(luaL_Buffer *B);
220 //C	 LUALIB_API void (luaL_pushresult) (luaL_Buffer *B);
221 void  luaL_pushresult(luaL_Buffer *B);
222 
223 
224 /* }====================================================== */
225 
226 
227 /* compatibility with ref system */
228 
229 /* pre-defined references */
230 //C	 #define LUA_NOREF	   (-2)
231 const LUA_NOREF = -2;
232 //C	 #define LUA_REFNIL	  (-1)
233 const LUA_REFNIL = -1;
234 
235 //C	 #define lua_ref(L,lock) ((lock) ? luaL_ref(L, LUA_REGISTRYINDEX) :	   (lua_pushstring(L, "unlocked references are obsolete"), lua_error(L), 0))
236 void lua_ref(lua_State* L, int lock) { lock ? luaL_ref(L, LUA_REGISTRYINDEX) : lua_pushstring(L, "unlocked reference are obsolete"); lua_error(L); }
237 
238 //C	 #define lua_unref(L,ref)		luaL_unref(L, LUA_REGISTRYINDEX, (ref))
239 void lua_unref(lua_State* L, int _ref) { luaL_unref(L, LUA_REGISTRYINDEX, _ref); }
240 
241 //C	 #define lua_getref(L,ref)	   lua_rawgeti(L, LUA_REGISTRYINDEX, (ref))
242 void lua_getref(lua_State* L, int _ref) { lua_rawgeti(L, LUA_REGISTRYINDEX, _ref); }
243 
244 
245 //C	 #define luaL_reg	luaL_Reg
246 
247 alias luaL_Reg luaL_reg;
248 //C	 #endif
249 
250