! Copyright (C) 2010 Erik Charlebois. ! See https://factorcode.org/license.txt for BSD license. USING: accessors alien alien.accessors alien.c-types alien.libraries alien.syntax classes.struct combinators io.encodings.ascii kernel math system ; IN: lua << "liblua5.1" { { [ os windows? ] [ "lua5.1.dll" ] } { [ os macosx? ] [ "liblua5.1.dylib" ] } { [ os unix? ] [ "liblua5.1.so" ] } } cond cdecl add-library >> LIBRARY: liblua5.1 ! luaconf.h TYPEDEF: double LUA_NUMBER TYPEDEF: ptrdiff_t LUA_INTEGER CONSTANT: LUA_IDSIZE 60 ! This is normally the BUFSIZ value of the given platform. : LUAL_BUFFERSIZE ( -- x ) { { [ os windows? ] [ 512 ] } { [ os macosx? ] [ 1024 ] } { [ os unix? ] [ 8192 ] } } cond ; ! lua.h CONSTANT: LUA_SIGNATURE B{ 27 76 117 97 } CONSTANT: LUA_MULTRET -1 CONSTANT: LUA_REGISTRYINDEX -10000 CONSTANT: LUA_ENVIRONINDEX -10001 CONSTANT: LUA_GLOBALSINDEX -10002 : lua_upvalueindex ( i -- i ) [ LUA_GLOBALSINDEX ] dip - ; inline CONSTANT: LUA_YIELD 1 CONSTANT: LUA_ERRRUN 2 CONSTANT: LUA_ERRSYNTAX 3 CONSTANT: LUA_ERRMEM 4 CONSTANT: LUA_ERRERR 5 C-TYPE: lua_State CALLBACK: int lua_CFunction ( lua_State* L ) CALLBACK: char* lua_Reader ( lua_State* L, void* ud, size_t* sz ) CALLBACK: int lua_Writer ( lua_State* L, void* p, size_t sz, void* ud ) CALLBACK: void* lua_Alloc ( void* ud, void* ptr, size_t osize, size_t nsize ) CONSTANT: LUA_TNONE -1 CONSTANT: LUA_TNIL 0 CONSTANT: LUA_TBOOLEAN 1 CONSTANT: LUA_TLIGHTUSERDATA 2 CONSTANT: LUA_TNUMBER 3 CONSTANT: LUA_TSTRING 4 CONSTANT: LUA_TTABLE 5 CONSTANT: LUA_TFUNCTION 6 CONSTANT: LUA_TUSERDATA 7 CONSTANT: LUA_TTHREAD 8 CONSTANT: LUA_MINSTACK 20 TYPEDEF: LUA_NUMBER lua_Number TYPEDEF: LUA_INTEGER lua_Integer FUNCTION: lua_State* lua_newstate ( lua_Alloc f, void* ud ) FUNCTION: void lua_close ( lua_State* L ) FUNCTION: lua_State* lua_newthread ( lua_State* L ) FUNCTION: lua_CFunction lua_atpanic ( lua_State* L, lua_CFunction panicf ) FUNCTION: int lua_gettop ( lua_State* L ) FUNCTION: void lua_settop ( lua_State* L, int idx ) FUNCTION: void lua_pushvalue ( lua_State* L, int idx ) FUNCTION: void lua_remove ( lua_State* L, int idx ) FUNCTION: void lua_insert ( lua_State* L, int idx ) FUNCTION: void lua_replace ( lua_State* L, int idx ) FUNCTION: int lua_checkstack ( lua_State* L, int sz ) FUNCTION: void lua_xmove ( lua_State* from, lua_State* to, int n ) FUNCTION: int lua_isnumber ( lua_State* L, int idx ) FUNCTION: int lua_isstring ( lua_State* L, int idx ) FUNCTION: int lua_iscfunction ( lua_State* L, int idx ) FUNCTION: int lua_isuserdata ( lua_State* L, int idx ) FUNCTION: int lua_type ( lua_State* L, int idx ) FUNCTION: c-string[ascii] lua_typename ( lua_State* L, int tp ) FUNCTION: int lua_equal ( lua_State* L, int idx1, int idx2 ) FUNCTION: int lua_rawequal ( lua_State* L, int idx1, int idx2 ) FUNCTION: int lua_lessthan ( lua_State* L, int idx1, int idx2 ) FUNCTION: lua_Number lua_tonumber ( lua_State* L, int idx ) FUNCTION: lua_Integer lua_tointeger ( lua_State* L, int idx ) FUNCTION: int lua_toboolean ( lua_State* L, int idx ) FUNCTION: c-string[ascii] lua_tolstring ( lua_State* L, int idx, size_t* len ) FUNCTION: size_t lua_objlen ( lua_State* L, int idx ) FUNCTION: lua_CFunction lua_tocfunction ( lua_State* L, int idx ) FUNCTION: void* lua_touserdata ( lua_State* L, int idx ) FUNCTION: lua_State* lua_tothread ( lua_State* L, int idx ) FUNCTION: void* lua_topointer ( lua_State* L, int idx ) FUNCTION: void lua_pushnil ( lua_State* L ) FUNCTION: void lua_pushnumber ( lua_State* L, lua_Number n ) FUNCTION: void lua_pushinteger ( lua_State* L, lua_Integer n ) FUNCTION: void lua_pushlstring ( lua_State* L, char* s, size_t l ) FUNCTION: void lua_pushstring ( lua_State* L, c-string[ascii] s ) ! FUNCTION: c-string[ascii] lua_pushvfstring ( lua_State* L, c-string[ascii] fmt, va_list argp ) ! FUNCTION: c-string[ascii] lua_pushfstring ( lua_State* L, c-string[ascii] fmt, ... ) FUNCTION: void lua_pushcclosure ( lua_State* L, lua_CFunction fn, int n ) FUNCTION: void lua_pushboolean ( lua_State* L, int b ) FUNCTION: void lua_pushlightuserdata ( lua_State* L, void* p ) FUNCTION: int lua_pushthread ( lua_State* L ) FUNCTION: void lua_gettable ( lua_State* L, int idx ) FUNCTION: void lua_getfield ( lua_State* L, int idx, c-string[ascii] k ) FUNCTION: void lua_rawget ( lua_State* L, int idx ) FUNCTION: void lua_rawgeti ( lua_State* L, int idx, int n ) FUNCTION: void lua_createtable ( lua_State* L, int narr, int nrec ) FUNCTION: void* lua_newuserdata ( lua_State* L, size_t sz ) FUNCTION: int lua_getmetatable ( lua_State* L, int objindex ) FUNCTION: void lua_getfenv ( lua_State* L, int idx ) FUNCTION: void lua_settable ( lua_State* L, int idx ) FUNCTION: void lua_setfield ( lua_State* L, int idx, c-string[ascii] k ) FUNCTION: void lua_rawset ( lua_State* L, int idx ) FUNCTION: void lua_rawseti ( lua_State* L, int idx, int n ) FUNCTION: int lua_setmetatable ( lua_State* L, int objindex ) FUNCTION: int lua_setfenv ( lua_State* L, int idx ) FUNCTION: void lua_call ( lua_State* L, int nargs, int nresults ) FUNCTION: int lua_pcall ( lua_State* L, int nargs, int nresults, int errfunc ) FUNCTION: int lua_cpcall ( lua_State* L, lua_CFunction func, void* ud ) FUNCTION: int lua_load ( lua_State* L, lua_Reader reader, void* dt, c-string[ascii] chunkname ) FUNCTION: int lua_dump ( lua_State* L, lua_Writer writer, void* data ) FUNCTION: int lua_yield ( lua_State* L, int nresults ) FUNCTION: int lua_resume ( lua_State* L, int narg ) FUNCTION: int lua_status ( lua_State* L ) CONSTANT: LUA_GCSTOP 0 CONSTANT: LUA_GCRESTART 1 CONSTANT: LUA_GCCOLLECT 2 CONSTANT: LUA_GCCOUNT 3 CONSTANT: LUA_GCCOUNTB 4 CONSTANT: LUA_GCSTEP 5 CONSTANT: LUA_GCSETPAUSE 6 CONSTANT: LUA_GCSETSTEPMUL 7 FUNCTION: int lua_gc ( lua_State* L, int what, int data ) FUNCTION: int lua_error ( lua_State* L ) FUNCTION: int lua_next ( lua_State* L, int idx ) FUNCTION: void lua_concat ( lua_State* L, int n ) FUNCTION: lua_Alloc lua_getallocf ( lua_State* L, void* *ud ) FUNCTION: void lua_setallocf ( lua_State* L, lua_Alloc f, void* ud ) TYPEDEF: lua_Reader lua_Chunkreader TYPEDEF: lua_Writer lua_Chunkwriter FUNCTION: void lua_setlevel ( lua_State* from, lua_State* to ) CONSTANT: LUA_HOOKCALL 0 CONSTANT: LUA_HOOKRET 1 CONSTANT: LUA_HOOKLINE 2 CONSTANT: LUA_HOOKCOUNT 3 CONSTANT: LUA_HOOKTAILRET 4 : LUA_MASKCALL ( n -- n ) LUA_HOOKCALL shift ; inline : LUA_MASKRET ( n -- n ) LUA_HOOKRET shift ; inline : LUA_MASKLINE ( n -- n ) LUA_HOOKLINE shift ; inline : LUA_MASKCOUNT ( n -- n ) LUA_HOOKCOUNT shift ; inline C-TYPE: lua_Debug CALLBACK: void lua_Hook ( lua_State* L, lua_Debug* ar ) FUNCTION: int lua_getstack ( lua_State* L, int level, lua_Debug* ar ) FUNCTION: int lua_getinfo ( lua_State* L, c-string[ascii] what, lua_Debug* ar ) FUNCTION: c-string[ascii] lua_getlocal ( lua_State* L, lua_Debug* ar, int n ) FUNCTION: c-string[ascii] lua_setlocal ( lua_State* L, lua_Debug* ar, int n ) FUNCTION: c-string[ascii] lua_getupvalue ( lua_State* L, int funcindex, int n ) FUNCTION: c-string[ascii] lua_setupvalue ( lua_State* L, int funcindex, int n ) FUNCTION: int lua_sethook ( lua_State* L, lua_Hook func, int mask, int count ) FUNCTION: lua_Hook lua_gethook ( lua_State* L ) FUNCTION: int lua_gethookmask ( lua_State* L ) FUNCTION: int lua_gethookcount ( lua_State* L ) STRUCT: lua_Debug { event int } { name char* } { namewhat char* } { what char* } { source char* } { currentline int } { nups int } { linedefined int } { lastlinedefined int } { short_src char[LUA_IDSIZE] } { i_ci int } ; ! lauxlib.h : luaL_getn ( L i -- int ) lua_objlen ; inline : luaL_setn ( L i j -- ) 3drop ; inline : LUA_ERRFILE ( -- x ) LUA_ERRERR 1 + ; STRUCT: luaL_Reg { name char* } { func lua_CFunction } ; FUNCTION: void luaI_openlib ( lua_State* L, c-string[ascii] libname, luaL_Reg* l, int nup ) FUNCTION: void luaL_register ( lua_State* L, c-string[ascii] libname, luaL_Reg* l ) FUNCTION: int luaL_getmetafield ( lua_State* L, int obj, c-string[ascii] e ) FUNCTION: int luaL_callmeta ( lua_State* L, int obj, c-string[ascii] e ) FUNCTION: int luaL_typerror ( lua_State* L, int narg, c-string[ascii] tname ) FUNCTION: int luaL_argerror ( lua_State* L, int numarg, c-string[ascii] extramsg ) FUNCTION: c-string[ascii] luaL_checklstring ( lua_State* L, int numArg, size_t* l ) FUNCTION: c-string[ascii] luaL_optlstring ( lua_State* L, int numArg, c-string[ascii] def, size_t* l ) FUNCTION: lua_Number luaL_checknumber ( lua_State* L, int numArg ) FUNCTION: lua_Number luaL_optnumber ( lua_State* L, int nArg, lua_Number def ) FUNCTION: lua_Integer luaL_checkinteger ( lua_State* L, int numArg ) FUNCTION: lua_Integer luaL_optinteger ( lua_State* L, int nArg, lua_Integer def ) FUNCTION: void luaL_checkstack ( lua_State* L, int sz, c-string[ascii] msg ) FUNCTION: void luaL_checktype ( lua_State* L, int narg, int t ) FUNCTION: void luaL_checkany ( lua_State* L, int narg ) FUNCTION: int luaL_newmetatable ( lua_State* L, c-string[ascii] tname ) FUNCTION: void* luaL_checkudata ( lua_State* L, int ud, c-string[ascii] tname ) FUNCTION: void luaL_where ( lua_State* L, int lvl ) ! FUNCTION: int luaL_error ( lua_State* L, c-string[ascii] fmt, ... ) ; FUNCTION: int luaL_checkoption ( lua_State* L, int narg, c-string[ascii] def, c-string[ascii] lst ) FUNCTION: int luaL_ref ( lua_State* L, int t ) FUNCTION: void luaL_unref ( lua_State* L, int t, int ref ) FUNCTION: int luaL_loadfile ( lua_State* L, c-string[ascii] filename ) FUNCTION: int luaL_loadbuffer ( lua_State* L, c-string[ascii] buff, size_t sz, c-string[ascii] name ) FUNCTION: int luaL_loadstring ( lua_State* L, c-string[ascii] s ) FUNCTION: lua_State* luaL_newstate ( ) FUNCTION: c-string[ascii] luaL_gsub ( lua_State* L, c-string[ascii] s, c-string[ascii] p, c-string[ascii] r ) FUNCTION: c-string[ascii] luaL_findtable ( lua_State* L, int idx, c-string[ascii] fname, int szhint ) : lua_pop ( L n -- ) neg 1 - lua_settop ; inline : lua_newtable ( L -- ) 0 0 lua_createtable ; inline : lua_pushcfunction ( L f -- ) 0 lua_pushcclosure ; inline : lua_setglobal ( L s -- ) [ LUA_GLOBALSINDEX ] dip lua_setfield ; inline : lua_register ( L n f -- ) pick swap lua_pushcfunction lua_setglobal ; inline : lua_strlen ( L i -- size_t ) lua_objlen ; inline : lua_isfunction ( L n -- ? ) lua_type LUA_TFUNCTION = ; inline : lua_istable ( L n -- ? ) lua_type LUA_TTABLE = ; inline : lua_islightuserdata ( L n -- ? ) lua_type LUA_TLIGHTUSERDATA = ; inline : lua_isnil ( L n -- ? ) lua_type LUA_TNIL = ; inline : lua_isboolean ( L n -- ? ) lua_type LUA_TBOOLEAN = ; inline : lua_isthread ( L n -- ? ) lua_type LUA_TTHREAD = ; inline : lua_isnone ( L n -- ? ) lua_type LUA_TNONE = ; inline : lua_isnoneornil ( L n -- ? ) lua_type 0 <= ; inline : lua_getglobal ( L s -- ) [ LUA_GLOBALSINDEX ] dip lua_getfield ; inline : lua_tostring ( L i -- string ) f lua_tolstring ; inline : lua_open ( -- lua_State* ) luaL_newstate ; inline : lua_getregistry ( L -- ) LUA_REGISTRYINDEX lua_pushvalue ; inline : lua_getgccount ( L -- int ) LUA_GCCOUNT 0 lua_gc ; inline : luaL_argcheck ( L cond numarg extramsg -- int ) rot 0 = [ luaL_argerror ] [ 3drop 1 ] if ; inline : luaL_checkstring ( L n -- string ) f luaL_checklstring ; inline : luaL_optstring ( L n d -- string ) f luaL_optlstring ; inline : luaL_checkint ( L n -- int ) luaL_checkinteger ; inline : luaL_optint ( L n d -- int ) luaL_optinteger ; inline : luaL_checklong ( L n -- long ) luaL_checkinteger ; inline : luaL_optlong ( L n d -- long ) luaL_optinteger ; inline : luaL_typename ( L i -- string ) dupd lua_type lua_typename ; inline : luaL_dofile ( L fn -- int ) dupd luaL_loadfile 0 = [ 0 LUA_MULTRET 0 lua_pcall ] [ drop 1 ] if ; inline : luaL_dostring ( L s -- int ) dupd luaL_loadstring 0 = [ 0 LUA_MULTRET 0 lua_pcall ] [ drop 1 ] if ; inline : luaL_getmetatable ( L n -- ) [ LUA_REGISTRYINDEX ] dip lua_getfield ; inline STRUCT: luaL_Buffer { p char* } { lvl int } { L lua_State* } { buffer char[LUAL_BUFFERSIZE] } ; FUNCTION: void luaL_buffinit ( lua_State* L, luaL_Buffer* B ) FUNCTION: char* luaL_prepbuffer ( luaL_Buffer* B ) FUNCTION: void luaL_addlstring ( luaL_Buffer* B, char* s, size_t l ) FUNCTION: void luaL_addstring ( luaL_Buffer* B, char* s ) FUNCTION: void luaL_addvalue ( luaL_Buffer* B ) FUNCTION: void luaL_pushresult ( luaL_Buffer* B ) :: luaL_addchar ( B c -- ) B p>> alien-address LUAL_BUFFERSIZE B buffer>> alien-address >= [ B luaL_prepbuffer drop ] when c B p>> 0 set-alien-signed-1 B [ 1 swap ] change-p drop ; inline : luaL_putchar ( B c -- ) luaL_addchar ; inline : luaL_addsize ( B n -- ) [ swap ] curry change-p drop ; inline