Files
llgo/c/lua/lua.go
2024-07-13 23:19:47 +08:00

496 lines
14 KiB
Go

package lua
import (
_ "unsafe"
"github.com/goplus/llgo/c"
)
const (
LLGoPackage = "link: $(pkg-config --libs lua); -llua -lm"
)
// /* mark for precompiled code ('<esc>Lua') */
// /* option for multiple returns in 'lua_pcall' and 'lua_call' */
const (
MULTRET = -1
)
// /*
// ** Pseudo-indices
// ** (-LUAI_MAXSTACK is the minimum valid index; we keep some free empty
// ** space after that to help overflow detection)
// */
// /* thread status */
const (
OK = 0
YIELD = 1
ERRRUN = 2
ERRSYNTAX = 3
ERRMEM = 4
ERRERR = 5
)
type State struct {
Unused [8]byte
}
// /*
// ** basic types
// */
const (
NONE = int(-1)
NIL = int(0)
BOOLEAN = int(1)
LIGHTUSERDATA = int(2)
NUMBER = int(3)
STRING = int(4)
TABLE = int(5)
FUNCTION = int(6)
USERDATA = int(7)
THREAD = int(8)
UMTYPES = int(9)
)
// /* minimum Lua stack available to a C function */
const (
MINSTACK = 20
)
// /* predefined values in the registry */
const (
RIDX_MAINTHREAD = 1
RIDX_GLOBALS = 2
RIDX_LAST = RIDX_GLOBALS
)
// /* type of numbers in Lua */
type Number = c.Double
// /* type for integer functions */
// TODO(zzy):consider dynamic size
type Integer = c.Int
// /* unsigned integer type */
type Unsigned = c.Uint
// /* type for continuation-function contexts */
// TODO(zzy): Context may not be c.Int
type KContext c.Int
// /*
// ** Type for C functions registered with Lua
// */
// /*
// ** Type for continuation functions
// */
// TODO(zzy): KFunction does not currently support
type KFunction func(L *State, status c.Int, ctx KContext) c.Int
// /*
// ** Type for functions that read/write blocks when loading/dumping Lua chunks
// */
// typedef const char * (*lua_Reader) (State *L, void *ud, size_t *sz);
// typedef int (*lua_Writer) (State *L, const void *p, size_t sz, void *ud);
// /*
// ** Type for memory-allocation functions
// */
// typedef void * (*lua_Alloc) (void *ud, void *ptr, size_t osize, size_t nsize);
// /*
// ** Type for warning functions
// */
// typedef void (*lua_WarnFunction) (void *ud, const char *msg, int tocont);
// /*
// ** Type used by the debug API to collect debug information
// */
// typedef struct lua_Debug lua_Debug;
// /*
// ** Functions to be called by the debugger in specific events
// */
// typedef void (*lua_Hook) (State *L, lua_Debug *ar);
// /*
// ** generic extra include file
// */
// #if defined(LUA_USER_H)
// #include LUA_USER_H
// #endif
// /*
// ** RCS ident string
// */
// extern const char lua_ident[];
// /*
// ** state manipulation
// */
// llgo:link (*State).Close C.lua_close
func (L *State) Close() {}
// State *(lua_newstate) (lua_Alloc f, void *ud);
// State *(lua_newthread) (State *L);
// llgo:link (*State).Newthread C.lua_newthread
func (L *State) Newthread() *State { return nil }
// int (lua_closethread) (State *L, State *from);
// int (lua_resetthread) (State *L); /* Deprecated! */
// lua_CFunction (lua_atpanic) (State *L, lua_CFunction panicf);
// lua_Number (lua_version) (State *L);
// /*
// ** basic stack manipulation
// */
// llgo:link (*State).Absindex C.lua_absindex
func (L *State) Absindex(idx c.Int) c.Int { return 0 }
// llgo:link (*State).Gettop C.lua_gettop
func (L *State) Gettop() c.Int { return 0 }
// llgo:link (*State).Settop C.lua_settop
func (L *State) Settop(idx c.Int) {}
// llgo:link (*State).Pushvalue C.lua_pushvalue
func (L *State) Pushvalue(idx c.Int) {}
// llgo:link (*State).Rotate C.lua_rotate
func (L *State) Rotate(idx c.Int, n c.Int) {}
// llgo:link (*State).Copy C.lua_copy
func (L *State) Copy(fromidx c.Int, toidx c.Int) {}
// llgo:link (*State).Checkstack C.lua_checkstack
func (L *State) Checkstack(n c.Int) c.Int { return 0 }
// llgo:link (*State).Xmove C.lua_xmove
func (L *State) Xmove(to *State, n c.Int) {}
// /*
// ** access functions (stack -> C)
// */
// LUA_API int (lua_isinteger) (State *L, int idx);
// llgo:link (*State).Isinteger C.lua_isinteger
func (L *State) Isinteger(idx c.Int) c.Int { return 0 }
// llgo:link (*State).Isnumber C.lua_isnumber
func (L *State) Isnumber(idx c.Int) c.Int { return 0 }
// llgo:link (*State).Isstring C.lua_isstring
func (L *State) Isstring(idx c.Int) c.Int { return 0 }
// TODO(zzy):add to demo
// llgo:link (*State).Type C.lua_type
func (L *State) Type(idx c.Int) c.Int { return 0 }
// TODO(zzy)
// llgo:link (*State).Typename C.lua_typename
func (L *State) Typename(tp c.Int) *c.Char { return nil }
// llgo:link (*State).Tonumberx C.lua_tonumberx
func (L *State) Tonumberx(idx c.Int, isnum *c.Int) Number { return 0 }
// llgo:link (*State).Tointegerx C.lua_tointegerx
func (L *State) Tointegerx(idx c.Int, isnum *c.Int) Integer { return 0 }
// llgo:link (*State).Toboolean C.lua_toboolean
func (L *State) Toboolean(idx c.Int) bool { return false }
// llgo:link (*State).Tolstring C.lua_tolstring
func (L *State) Tolstring(idx c.Int, len *c.Ulong) *c.Char { return nil }
// LUA_API int (lua_iscfunction) (State *L, int idx);
// LUA_API int (lua_isuserdata) (State *L, int idx);
// LUA_API lua_Unsigned (lua_rawlen) (State *L, int idx);
// LUA_API lua_CFunction (lua_tocfunction) (State *L, int idx);
// LUA_API void *(lua_touserdata) (State *L, int idx);
// LUA_API State *(lua_tothread) (State *L, int idx);
// LUA_API const void *(lua_topointer) (State *L, int idx);
// /*
// ** Comparison and arithmetic functions
// */
// /*
// ** push functions (C -> stack)
// */
// llgo:link (*State).Pushnil C.lua_pushnil
func (L *State) Pushnil() {}
// llgo:link (*State).Pushnumber C.lua_pushnumber
func (L *State) Pushnumber(n Number) {}
// llgo:link (*State).Pushinteger C.lua_pushinteger
func (L *State) Pushinteger(n Integer) {}
// llgo:link (*State).Pushstring C.lua_pushstring
func (L *State) Pushstring(s *c.Char) *c.Char {
return nil
}
// llgo:link (*State).Pushlstring C.lua_pushlstring
func (L *State) Pushlstring(s *c.Char, len c.Ulong) *c.Char {
return nil
}
// llgo:link (*State).Pushfstring C.lua_pushfstring
func (L *State) Pushfstring(format *c.Char, __llgo_va_list ...any) *c.Char { return nil }
// llgo:link (*State).Pushboolean C.lua_pushboolean
func (L *State) Pushboolean(b c.Int) {}
//const char *(lua_pushvfstring) (State *L, const char *fmt,va_list argp);
//void (lua_pushcclosure) (State *L, lua_CFunction fn, int n);
//void (lua_pushlightuserdata) (State *L, void *p);
//int (lua_pushthread) (State *L);
// /*
// ** get functions (Lua -> stack)
// */
// llgo:link (*State).Getglobal C.lua_getglobal
func (L *State) Getglobal(name *c.Char) c.Int { return 0 }
// llgo:link (*State).Gettable C.lua_gettable
func (L *State) Gettable(idx c.Int) c.Int { return 0 }
// llgo:link (*State).Getfield C.lua_getfield
func (L *State) Getfield(idx c.Int, k *c.Char) c.Int { return 0 }
// llgo:link (*State).Createtable C.lua_createtable
func (L *State) Createtable(narr c.Int, nrec c.Int) {}
// LUA_API int (lua_geti) (State *L, int idx, lua_Integer n);
// LUA_API int (lua_rawget) (State *L, int idx);
// LUA_API int (lua_rawgeti) (State *L, int idx, lua_Integer n);
// LUA_API int (lua_rawgetp) (State *L, int idx, const void *p);
// LUA_API void *(lua_newuserdatauv) (State *L, size_t sz, int nuvalue);
// LUA_API int (lua_getmetatable) (State *L, int objindex);
// LUA_API int (lua_getiuservalue) (State *L, int idx, int n);
// /*
// ** set functions (stack -> Lua)
// */
// TODO(zzy):add to demo
// llgo:link (*State).Setglobal C.lua_setglobal
func (L *State) Setglobal(name *c.Char) {}
// llgo:link (*State).Settable C.lua_settable
func (L *State) Settable(idx c.Int) {}
// llgo:link (*State).Setfield C.lua_setfield
func (L *State) Setfield(idx c.Int, k *c.Char) {}
//void (lua_seti) (State *L, int idx, lua_Integer n);
//void (lua_rawset) (State *L, int idx);
//void (lua_rawseti) (State *L, int idx, lua_Integer n);
//void (lua_rawsetp) (State *L, int idx, const void *p);
//int (lua_setmetatable) (State *L, int objindex);
//int (lua_setiuservalue) (State *L, int idx, int n);
// /*
// ** 'load' and 'call' functions (load and run Lua code)
// */
// llgo:link (*State).Pcallk C.lua_pcallk
func (L *State) Pcallk(nargs c.Int, nresults c.Int, errfunc c.Int, ctx KContext, k *KFunction) c.Int {
return 0
}
func (L *State) Pcall(nargs c.Int, nresults c.Int, errfunc c.Int) c.Int {
return L.Pcallk(nargs, nresults, errfunc, KContext(c.Int(0)), nil)
}
// void (lua_callk) (State *L, int nargs, int nresults, lua_KContext ctx, lua_KFunction k);
// #define lua_call(L,n,r) lua_callk(L, (n), (r), 0, NULL)
// int (lua_load) (State *L, lua_Reader reader, void *dt, const char *chunkname, const char *mode);
// int (lua_dump) (State *L, lua_Writer writer, void *data, int strip);
// /*
// ** coroutine functions
// */
// llgo:link (*State).Resume C.lua_resume
func (L *State) Resume(from *State, narg c.Int, nres *c.Int) c.Int { return 0 }
// llgo:link (*State).Status C.lua_status
func (L *State) Status() c.Int { return 0 }
// llgo:link (*State).Isyieldable C.lua_isyieldable
func (L *State) Isyieldable() c.Int { return 0 }
// TODO(zzy)
// int (lua_yieldk) (State *L, int nresults, lua_KContext ctx, lua_KFunction k);
// #define lua_yield(L,n) lua_yieldk(L, (n), 0, NULL)
// /*
// ** Warning-related functions
// */
//void (lua_setwarnf) (State *L, lua_WarnFunction f, void *ud);
//void (lua_warning) (State *L, const char *msg, int tocont);
// /*
// ** garbage-collection function and options
// */
const (
GCSTOP = 0
GCRESTART = 1
GCCOLLECT = 2
GCCOUNT = 3
GCCOUNTB = 4
GCSTEP = 5
GCSETPAUSE = 6
GCSETSTEPMUL = 7
GCISRUNNING = 9
GCGEN = 10
GCINC = 11
)
// LUA_API int (lua_gc) (State *L, int what, ...);
// /*
// ** miscellaneous functions
// */
// llgo:link (*State).Next C.lua_next
func (L *State) Next(idx c.Int) c.Int { return 0 }
// LUA_API int (lua_error) (State *L);
// LUA_API void (lua_concat) (State *L, int n);
// LUA_API void (lua_len) (State *L, int idx);
// LUA_API size_t (lua_stringtonumber) (State *L, const char *s);
// LUA_API lua_Alloc (lua_getallocf) (State *L, void **ud);
// LUA_API void (lua_setallocf) (State *L, lua_Alloc f, void *ud);
// LUA_API void (lua_toclose) (State *L, int idx);
// LUA_API void (lua_closeslot) (State *L, int idx);
// /*
// ** {==============================================================
// ** some useful macros
// ** ===============================================================
// */
func (L *State) Tonumber(idx c.Int) Number { return L.Tonumberx(idx, nil) }
func (L *State) Tostring(idx c.Int) *c.Char { return L.Tolstring(idx, nil) }
func (L *State) Tointeger(idx c.Int) Integer { return L.Tointegerx(idx, nil) }
func (L *State) Pop(n c.Int) { L.Settop(-(n) - 1) }
func (L *State) Newtable() { L.Createtable(0, 0) }
func (L *State) Isfunction(n c.Int) bool { return L.Type(n) == c.Int(FUNCTION) }
func (L *State) Istable(n c.Int) bool { return L.Type(n) == c.Int(TABLE) }
func (L *State) Islightuserdata(n c.Int) bool { return L.Type(n) == c.Int(LIGHTUSERDATA) }
func (L *State) Isnil(n c.Int) bool { return L.Type(n) == c.Int(NIL) }
func (L *State) Isboolean(n c.Int) bool { return L.Type(n) == c.Int(BOOLEAN) }
func (L *State) Isthread(n c.Int) bool { return L.Type(n) == c.Int(THREAD) }
func (L *State) Isnone(n c.Int) bool { return L.Type(n) == c.Int(NONE) }
func (L *State) Isnoneornil(n c.Int) bool { return L.Type(n) <= 0 }
// #define lua_getextraspace(L) ((void *)((char *)(L) - LUA_EXTRASPACE))
// #define lua_register(L,n,f) (lua_pushcfunction(L, (f)), lua_setglobal(L, (n)))
// #define lua_pushcfunction(L,f) lua_pushcclosure(L, (f), 0)
// #define lua_pushliteral(L, s) lua_pushstring(L, "" s)
// #define lua_pushglobaltable(L) ((void)lua_rawgeti(L, LUA_REGISTRYINDEX, LUA_RIDX_GLOBALS))
// #define lua_insert(L,idx) lua_rotate(L, (idx), 1)
// #define lua_remove(L,idx) (lua_rotate(L, (idx), -1), lua_pop(L, 1))
// #define lua_replace(L,idx) (lua_copy(L, -1, (idx)), lua_pop(L, 1))
// /* }============================================================== */
// /*
// ** {==============================================================
// ** compatibility macros
// ** ===============================================================
// */
// #define lua_newuserdata(L,s) lua_newuserdatauv(L,s,1)
// #define lua_getuservalue(L,idx) lua_getiuservalue(L,idx,1)
// #define lua_setuservalue(L,idx) lua_setiuservalue(L,idx,1)
// #define LUA_NUMTAGS LUA_NUMTYPES
// /* }============================================================== */
// /*
// ** {======================================================================
// ** Debug API
// ** =======================================================================
// */
// /*
// ** Event codes
// */
const (
HOOKCALL = 0
HOOKRET = 1
HOOKLINE = 2
HOOKCOUNT = 3
HOOKTAILCALL = 4
)
// /*
// ** Event masks
// */
// #define LUA_MASKCALL (1 << LUA_HOOKCALL)
// #define LUA_MASKRET (1 << LUA_HOOKRET)
// #define LUA_MASKLINE (1 << LUA_HOOKLINE)
// #define LUA_MASKCOUNT (1 << LUA_HOOKCOUNT)
const (
MASKCALL = 1 << HOOKCOUNT
MASKRET = 1 << HOOKRET
MASKLINE = 1 << HOOKLINE
MASKCOUNT = 1 << HOOKCOUNT
)
// LUA_API int (lua_getstack) (State *L, int level, lua_Debug *ar);
// LUA_API int (lua_getinfo) (State *L, const char *what, lua_Debug *ar);
// LUA_API const char *(lua_getlocal) (State *L, const lua_Debug *ar, int n);
// LUA_API const char *(lua_setlocal) (State *L, const lua_Debug *ar, int n);
// LUA_API const char *(lua_getupvalue) (State *L, int funcindex, int n);
// LUA_API const char *(lua_setupvalue) (State *L, int funcindex, int n);
// LUA_API void *(lua_upvalueid) (State *L, int fidx, int n);
// LUA_API void (lua_upvaluejoin) (State *L, int fidx1, int n1, int fidx2, int n2);
// LUA_API void (lua_sethook) (State *L, lua_Hook func, int mask, int count);
// LUA_API lua_Hook (lua_gethook) (State *L);
// LUA_API int (lua_gethookmask) (State *L);
// LUA_API int (lua_gethookcount) (State *L);
// LUA_API int (lua_setcstacklimit) (State *L, unsigned int limit);
// struct lua_Debug
// /* }====================================================================== */