luahead.swift

/*
** $Id: luaconf.h,v 1.259.1.1 2017/04/19 17:29:57 roberto Exp $
** Configuration file for Lua
** See Copyright Notice in lua.h
*/

/*
** ===================================================================
** Search for "@@" to find all configurable definitions.
** ===================================================================
*/

/*
** {====================================================================
** System Configuration: macros to adapt (if needed) Lua to some
** particular platform, for instance compiling it with 32-bit numbers or
** restricting it to C89.
** =====================================================================
*/

/*
@@ LUA_32BITS enables Lua with 32-bit integers and 32-bit floats. You
** can also define LUA_32BITS in the make file, but changing here you
** ensure that all software connected to Lua will be compiled with the
** same configuration.
*/
/* #define LUA_32BITS */

/*
@@ LUA_USE_C89 controls the use of non-ISO-C89 features.
** Define it if you want Lua to avoid the use of a few C99 features
** or Windows-specific features on Windows.
*/
/* #define LUA_USE_C89 */

/*
** By default, Lua on Windows use (some) specific Windows features
*/

/* enable goodies for regular Windows */

/* enable support for DLL */
/* broadly, Windows is C89 */

/* needs an extra library: -ldl */
/* needs some extra libraries */

/* MacOS does not need -ldl */
/* needs an extra library: -lreadline */

/*
@@ LUA_C89_NUMBERS ensures that Lua uses the largest types available for
** C89 ('long' and 'double'); Windows always has '__int64', so it does
** not need to use this case.
*/

/*
@@ LUAI_BITSINT defines the (minimum) number of bits in an 'int'.
*/
/* avoid undefined shifts */

public var LUAI_BITSINT: Int32 { get }

/* 'int' always must have at least 16 bits */

/*
@@ LUA_INT_TYPE defines the type for Lua integers.
@@ LUA_FLOAT_TYPE defines the type for Lua floats.
** Lua should work fine with any mix of these options (if supported
** by your C compiler). The usual configurations are 64-bit integers
** and 'double' (the default), 32-bit integers and 'float' (for
** restricted platforms), and 'long'/'double' (for C compilers not
** compliant with C99, which may not have support for 'long long').
*/

/* predefined options for LUA_INT_TYPE */
public var LUA_INT_INT: Int32 { get }
public var LUA_INT_LONG: Int32 { get }
public var LUA_INT_LONGLONG: Int32 { get }

/* predefined options for LUA_FLOAT_TYPE */
public var LUA_FLOAT_FLOAT: Int32 { get }
public var LUA_FLOAT_DOUBLE: Int32 { get }
public var LUA_FLOAT_LONGDOUBLE: Int32 { get }

/* { */
/*
** 32-bit integers and 'float'
*/
/* use 'int' if big enough */

/* otherwise use 'long' */

/* }{ */
/*
** largest types available for C89 ('long' and 'double')
*/

/* } */

/*
** default configuration for 64-bit Lua ('long long' and 'double')
*/

public var LUA_INT_TYPE: Int32 { get }

public var LUA_FLOAT_TYPE: Int32 { get }

/* }================================================================== */

/*
** {==================================================================
** Configuration for Paths.
** ===================================================================
*/

/*
** LUA_PATH_SEP is the character that separates templates in a path.
** LUA_PATH_MARK is the string that marks the substitution points in a
** template.
** LUA_EXEC_DIR in a Windows path is replaced by the executable's
** directory.
*/
public var LUA_PATH_SEP: String { get }
public var LUA_PATH_MARK: String { get }
public var LUA_EXEC_DIR: String { get }

/*
@@ LUA_PATH_DEFAULT is the default path that Lua uses to look for
** Lua libraries.
@@ LUA_CPATH_DEFAULT is the default path that Lua uses to look for
** C libraries.
** CHANGE them if your machine has a non-conventional directory
** hierarchy or if you want to install your libraries in
** non-conventional directories.
*/

/* { */
/*
** In Windows, any exclamation mark ('!') in the path is replaced by the
** path of the directory of the executable file of the current process.
*/

/* }{ */

public var LUA_ROOT: String { get }

/* } */

/*
@@ LUA_DIRSEP is the directory separator (for submodules).
** CHANGE it if your machine does not use "/" as the directory separator
** and is not Windows. (On Windows Lua automatically uses "\".)
*/

public var LUA_DIRSEP: String { get }

/* }================================================================== */

/*
** {==================================================================
** Marks for exported symbols in the C code
** ===================================================================
*/

/*
@@ LUA_API is a mark for all core API functions.
@@ LUALIB_API is a mark for all auxiliary library functions.
@@ LUAMOD_API is a mark for all standard library opening functions.
** CHANGE them if you need to define those functions in some special way.
** For instance, if you want to create one Windows DLL with the core and
** the libraries, you may want to use the following definition (define
** LUA_BUILD_AS_DLL to get it).
*/
/* { */

/* { */

/* }{ */

/* } */

/* }{ */

/* } */

/* more often than not the libs go together with the core */

/*
@@ LUAI_FUNC is a mark for all extern functions that are not to be
** exported to outside modules.
@@ LUAI_DDEF and LUAI_DDEC are marks for all extern (const) variables
** that are not to be exported to outside modules (LUAI_DDEF for
** definitions and LUAI_DDEC for declarations).
** CHANGE them if you need to mark them in some special way. Elf/gcc
** (versions 3.2 and later) mark them as "hidden" to optimize access
** when Lua is compiled as a shared library. Not all elf targets support
** this attribute. Unfortunately, gcc does not offer a way to check
** whether the target offers that support, and those without support
** give a warning about it. To avoid these warnings, change to the
** default definition.
*/

/* { */

/* }{ */

/* } */

/* empty */

/* }================================================================== */

/*
** {==================================================================
** Compatibility with previous versions
** ===================================================================
*/

/*
@@ LUA_COMPAT_5_2 controls other macros for compatibility with Lua 5.2.
@@ LUA_COMPAT_5_1 controls other macros for compatibility with Lua 5.1.
** You can define it to get all options, or change specific options
** to fit your specific needs.
*/
/* { */

/*
@@ LUA_COMPAT_MATHLIB controls the presence of several deprecated
** functions in the mathematical library.
*/

/*
@@ LUA_COMPAT_BITLIB controls the presence of library 'bit32'.
*/

/*
@@ LUA_COMPAT_IPAIRS controls the effectiveness of the __ipairs metamethod.
*/

/*
@@ LUA_COMPAT_APIINTCASTS controls the presence of macros for
** manipulating other integer types (lua_pushunsigned, lua_tounsigned,
** luaL_checkint, luaL_checklong, etc.)
*/

/* } */

/* { */

/* Incompatibilities from 5.2 -> 5.3 */

/*
@@ LUA_COMPAT_UNPACK controls the presence of global 'unpack'.
** You can replace it with 'table.unpack'.
*/

/*
@@ LUA_COMPAT_LOADERS controls the presence of table 'package.loaders'.
** You can replace it with 'package.searchers'.
*/

/*
@@ macro 'lua_cpcall' emulates deprecated function lua_cpcall.
** You can call your C function directly (with light C functions).
*/

/*
@@ LUA_COMPAT_LOG10 defines the function 'log10' in the math library.
** You can rewrite 'log10(x)' as 'log(x, 10)'.
*/

/*
@@ LUA_COMPAT_LOADSTRING defines the function 'loadstring' in the base
** library. You can rewrite 'loadstring(s)' as 'load(s)'.
*/

/*
@@ LUA_COMPAT_MAXN defines the function 'maxn' in the table library.
*/

/*
@@ The following macros supply trivial compatibility for some
** changes in the API. The macros themselves document how to
** change your code to avoid using them.
*/

/*
@@ LUA_COMPAT_MODULE controls compatibility with previous
** module functions 'module' (Lua) and 'luaL_register' (C).
*/

/* } */

/*
@@ LUA_COMPAT_FLOATSTRING makes Lua format integral floats without a
@@ a float mark ('.0').
** This macro is not on by default even in compatibility mode,
** because this is not really an incompatibility.
*/
/* #define LUA_COMPAT_FLOATSTRING */

/* }================================================================== */

/*
** {==================================================================
** Configuration for Numbers.
** Change these definitions if no predefined LUA_FLOAT_* / LUA_INT_*
** satisfy your needs.
** ===================================================================
*/

/*
@@ LUA_NUMBER is the floating-point type used by Lua.
@@ LUAI_UACNUMBER is the result of a 'default argument promotion'
@@ over a floating number.
@@ l_mathlim(x) corrects limit name 'x' to the proper float type
** by prefixing it with one of FLT/DBL/LDBL.
@@ LUA_NUMBER_FRMLEN is the length modifier for writing floats.
@@ LUA_NUMBER_FMT is the format for writing floats.
@@ lua_number2str converts a float to a string.
@@ l_mathop allows the addition of an 'l' or 'f' to all math operations.
@@ l_floor takes the floor of a float.
@@ lua_str2number converts a decimal numeric string to a number.
*/

/* The following definitions are good for most cases here */

/*
@@ lua_numbertointeger converts a float number to an integer, or
** returns 0 if float is not within the range of a lua_Integer.
** (The range comparisons are tricky because of rounding. The tests
** here assume a two-complement representation, where MININTEGER always
** has an exact representation as a float; MAXINTEGER may not have one,
** and therefore its conversion to float may have an ill-defined value.)
*/

/* now the variable definitions */

/* { single float */

/* }{ long double */

/* }{ double */

public var LUA_NUMBER_FRMLEN: String { get }
public var LUA_NUMBER_FMT: String { get }

/* }{ */

/* } */

/*
@@ LUA_INTEGER is the integer type used by Lua.
**
@@ LUA_UNSIGNED is the unsigned version of LUA_INTEGER.
**
@@ LUAI_UACINT is the result of a 'default argument promotion'
@@ over a lUA_INTEGER.
@@ LUA_INTEGER_FRMLEN is the length modifier for reading/writing integers.
@@ LUA_INTEGER_FMT is the format for writing integers.
@@ LUA_MAXINTEGER is the maximum value for a LUA_INTEGER.
@@ LUA_MININTEGER is the minimum value for a LUA_INTEGER.
@@ lua_integer2str converts an integer to a string.
*/

/* The following definitions are good for most cases here */

/*
** use LUAI_UACINT here to avoid problems with promotions (which
** can turn a comparison between unsigneds into a signed comparison)
*/

/* now the variable definitions */

/* { int */

/* }{ long */

/* }{ long long */

/* use presence of macro LLONG_MAX as proxy for C99 compliance */
/* { */
/* use ISO C99 stuff */

public var LUA_INTEGER_FRMLEN: String { get }

public var LUA_MAXINTEGER: Int64 { get }

/* }{ */
/* in Windows, can use specific Windows types */

/* }{ */

/* } */

/* }{ */

/* } */

/* }================================================================== */

/*
** {==================================================================
** Dependencies with C99 and other C details
** ===================================================================
*/

/*
@@ l_sprintf is equivalent to 'snprintf' or 'sprintf' in C89.
** (All uses in Lua have only one format item.)
*/

/*
@@ lua_strx2number converts an hexadecimal numeric string to a number.
** In C99, 'strtod' does that conversion. Otherwise, you can
** leave 'lua_strx2number' undefined and Lua will provide its own
** implementation.
*/

/*
@@ lua_pointer2str converts a pointer to a readable string in a
** non-specified way.
*/

/*
@@ lua_number2strx converts a float to an hexadecimal numeric string.
** In C99, 'sprintf' (with format specifiers '%a'/'%A') does that.
** Otherwise, you can leave 'lua_number2strx' undefined and Lua will
** provide its own implementation.
*/

/*
** 'strtof' and 'opf' variants for math functions are not valid in
** C89. Otherwise, the macro 'HUGE_VALF' is a good proxy for testing the
** availability of these variants. ('math.h' is already included in
** all files that use these macros.)
*/

/* variants not available */

/* no variant */

/*
@@ LUA_KCONTEXT is the type of the context ('ctx') for continuation
** functions.  It must be a numerical type; Lua will use 'intptr_t' if
** available, otherwise it will use 'ptrdiff_t' (the nearest thing to
** 'intptr_t' in C89)
*/

/* even in C99 this type is optional */

/*
@@ lua_getlocaledecpoint gets the locale "radix character" (decimal point).
** Change that if you do not want to use C locales. (Code using this
** macro must include header 'locale.h'.)
*/

/* }================================================================== */

/*
** {==================================================================
** Language Variations
** =====================================================================
*/

/*
@@ LUA_NOCVTN2S/LUA_NOCVTS2N control how Lua performs some
** coercions. Define LUA_NOCVTN2S to turn off automatic coercion from
** numbers to strings. Define LUA_NOCVTS2N to turn off automatic
** coercion from strings to numbers.
*/
/* #define LUA_NOCVTN2S */
/* #define LUA_NOCVTS2N */

/*
@@ LUA_USE_APICHECK turns on several consistency checks on the C API.
** Define it as a help when debugging C code.
*/

/* }================================================================== */

/*
** {==================================================================
** Macros that affect the API and must be stable (that is, must be the
** same when you compile Lua and when you compile code that links to
** Lua). You probably do not want/need to change them.
** =====================================================================
*/

/*
@@ LUAI_MAXSTACK limits the size of the Lua stack.
** CHANGE it if you need a different limit. This limit is arbitrary;
** its only purpose is to stop Lua from consuming unlimited stack
** space (and to reserve some numbers for pseudo-indices).
*/

public var LUAI_MAXSTACK: Int32 { get }

/*
@@ LUA_EXTRASPACE defines the size of a raw memory area associated with
** a Lua state with very fast access.
** CHANGE it if you need a different size.
*/

/*
@@ LUA_IDSIZE gives the maximum size for the description of the source
@@ of a function in debug information.
** CHANGE it if you want a different size.
*/
public var LUA_IDSIZE: Int32 { get }
/*
** $Id: lua.h,v 1.332.1.2 2018/06/13 16:58:17 roberto Exp $
** Lua - A Scripting Language
** Lua.org, PUC-Rio, Brazil (http://www.lua.org)
** See Copyright Notice at the end of this file
*/

public var LUA_VERSION_MAJOR: String { get }
public var LUA_VERSION_MINOR: String { get }
public var LUA_VERSION_NUM: Int32 { get }
public var LUA_VERSION_RELEASE: String { get }

public var LUA_AUTHORS: String { get }

/* mark for precompiled code ('<esc>Lua') */
public var LUA_SIGNATURE: String { get }

/* option for multiple returns in 'lua_pcall' and 'lua_call' */
public var LUA_MULTRET: Int32 { get }

/*
** Pseudo-indices
** (-LUAI_MAXSTACK is the minimum valid index; we keep some free empty
** space after that to help overflow detection)
*/

/* thread status */
public var LUA_OK: Int32 { get }
public var LUA_YIELD: Int32 { get }
public var LUA_ERRRUN: Int32 { get }
public var LUA_ERRSYNTAX: Int32 { get }
public var LUA_ERRMEM: Int32 { get }
public var LUA_ERRGCMM: Int32 { get }
public var LUA_ERRERR: Int32 { get }

/*
** basic types
*/
public var LUA_TNONE: Int32 { get }

public var LUA_TNIL: Int32 { get }
public var LUA_TBOOLEAN: Int32 { get }
public var LUA_TLIGHTUSERDATA: Int32 { get }
public var LUA_TNUMBER: Int32 { get }
public var LUA_TSTRING: Int32 { get }
public var LUA_TTABLE: Int32 { get }
public var LUA_TFUNCTION: Int32 { get }
public var LUA_TUSERDATA: Int32 { get }
public var LUA_TTHREAD: Int32 { get }

public var LUA_NUMTAGS: Int32 { get }

/* minimum Lua stack available to a C function */
public var LUA_MINSTACK: Int32 { get }

/* predefined values in the registry */
public var LUA_RIDX_MAINTHREAD: Int32 { get }
public var LUA_RIDX_GLOBALS: Int32 { get }
public var LUA_RIDX_LAST: Int32 { get }

/* type of numbers in Lua */
public typealias lua_Number = Double

/* type for integer functions */
public typealias lua_Integer = Int64

/* unsigned integer type */
public typealias lua_Unsigned = UInt64

/* type for continuation-function contexts */
public typealias lua_KContext = Int

/*
** Type for C functions registered with Lua
*/
public typealias lua_CFunction = @convention(c) (OpaquePointer?) -> Int32

/*
** Type for continuation functions
*/
public typealias lua_KFunction = @convention(c) (OpaquePointer?, Int32, lua_KContext) -> Int32

/*
** Type for functions that read/write blocks when loading/dumping Lua chunks
*/
public typealias lua_Reader = @convention(c) (OpaquePointer?, UnsafeMutableRawPointer?, UnsafeMutablePointer<Int>?) -> UnsafePointer<Int8>?

public typealias lua_Writer = @convention(c) (OpaquePointer?, UnsafeRawPointer?, Int, UnsafeMutableRawPointer?) -> Int32

/*
** Type for memory-allocation functions
*/
public typealias lua_Alloc = @convention(c) (UnsafeMutableRawPointer?, UnsafeMutableRawPointer?, Int, Int) -> UnsafeMutableRawPointer?

/*
** generic extra include file
*/

/*
** RCS ident string
*/

/*
** state manipulation
*/
public func lua_newstate(_ f: lua_Alloc!, _ ud: UnsafeMutableRawPointer!) -> OpaquePointer!
public func lua_close(_ L: OpaquePointer!)
public func lua_newthread(_ L: OpaquePointer!) -> OpaquePointer!

public func lua_atpanic(_ L: OpaquePointer!, _ panicf: lua_CFunction!) -> lua_CFunction!

public func lua_version(_ L: OpaquePointer!) -> UnsafePointer<lua_Number>!

/*
** basic stack manipulation
*/
public func lua_absindex(_ L: OpaquePointer!, _ idx: Int32) -> Int32
public func lua_gettop(_ L: OpaquePointer!) -> Int32
public func lua_settop(_ L: OpaquePointer!, _ idx: Int32)
public func lua_pushvalue(_ L: OpaquePointer!, _ idx: Int32)
public func lua_rotate(_ L: OpaquePointer!, _ idx: Int32, _ n: Int32)
public func lua_copy(_ L: OpaquePointer!, _ fromidx: Int32, _ toidx: Int32)
public func lua_checkstack(_ L: OpaquePointer!, _ n: Int32) -> Int32

public func lua_xmove(_ from: OpaquePointer!, _ to: OpaquePointer!, _ n: Int32)

/*
** access functions (stack -> C)
*/

public func lua_isnumber(_ L: OpaquePointer!, _ idx: Int32) -> Int32
public func lua_isstring(_ L: OpaquePointer!, _ idx: Int32) -> Int32
public func lua_iscfunction(_ L: OpaquePointer!, _ idx: Int32) -> Int32
public func lua_isinteger(_ L: OpaquePointer!, _ idx: Int32) -> Int32
public func lua_isuserdata(_ L: OpaquePointer!, _ idx: Int32) -> Int32
public func lua_type(_ L: OpaquePointer!, _ idx: Int32) -> Int32
public func lua_typename(_ L: OpaquePointer!, _ tp: Int32) -> UnsafePointer<Int8>!

public func lua_tonumberx(_ L: OpaquePointer!, _ idx: Int32, _ isnum: UnsafeMutablePointer<Int32>!) -> lua_Number
public func lua_tointegerx(_ L: OpaquePointer!, _ idx: Int32, _ isnum: UnsafeMutablePointer<Int32>!) -> lua_Integer
public func lua_toboolean(_ L: OpaquePointer!, _ idx: Int32) -> Int32
public func lua_tolstring(_ L: OpaquePointer!, _ idx: Int32, _ len: UnsafeMutablePointer<Int>!) -> UnsafePointer<Int8>!
public func lua_rawlen(_ L: OpaquePointer!, _ idx: Int32) -> Int
public func lua_tocfunction(_ L: OpaquePointer!, _ idx: Int32) -> lua_CFunction!
public func lua_touserdata(_ L: OpaquePointer!, _ idx: Int32) -> UnsafeMutableRawPointer!
public func lua_tothread(_ L: OpaquePointer!, _ idx: Int32) -> OpaquePointer!
public func lua_topointer(_ L: OpaquePointer!, _ idx: Int32) -> UnsafeRawPointer!

/*
** Comparison and arithmetic functions
*/

public var LUA_OPADD: Int32 { get } /* ORDER TM, ORDER OP */
public var LUA_OPSUB: Int32 { get }
public var LUA_OPMUL: Int32 { get }
public var LUA_OPMOD: Int32 { get }
public var LUA_OPPOW: Int32 { get }
public var LUA_OPDIV: Int32 { get }
public var LUA_OPIDIV: Int32 { get }
public var LUA_OPBAND: Int32 { get }
public var LUA_OPBOR: Int32 { get }
public var LUA_OPBXOR: Int32 { get }
public var LUA_OPSHL: Int32 { get }
public var LUA_OPSHR: Int32 { get }
public var LUA_OPUNM: Int32 { get }
public var LUA_OPBNOT: Int32 { get }

public func lua_arith(_ L: OpaquePointer!, _ op: Int32)

public var LUA_OPEQ: Int32 { get }
public var LUA_OPLT: Int32 { get }
public var LUA_OPLE: Int32 { get }

public func lua_rawequal(_ L: OpaquePointer!, _ idx1: Int32, _ idx2: Int32) -> Int32
public func lua_compare(_ L: OpaquePointer!, _ idx1: Int32, _ idx2: Int32, _ op: Int32) -> Int32

/*
** push functions (C -> stack)
*/
public func lua_pushnil(_ L: OpaquePointer!)
public func lua_pushnumber(_ L: OpaquePointer!, _ n: lua_Number)
public func lua_pushinteger(_ L: OpaquePointer!, _ n: lua_Integer)
public func lua_pushlstring(_ L: OpaquePointer!, _ s: UnsafePointer<Int8>!, _ len: Int) -> UnsafePointer<Int8>!
public func lua_pushstring(_ L: OpaquePointer!, _ s: UnsafePointer<Int8>!) -> UnsafePointer<Int8>!
public func lua_pushvfstring(_ L: OpaquePointer!, _ fmt: UnsafePointer<Int8>!, _ argp: CVaListPointer) -> UnsafePointer<Int8>!

public func lua_pushcclosure(_ L: OpaquePointer!, _ fn: lua_CFunction!, _ n: Int32)
public func lua_pushboolean(_ L: OpaquePointer!, _ b: Int32)
public func lua_pushlightuserdata(_ L: OpaquePointer!, _ p: UnsafeMutableRawPointer!)
public func lua_pushthread(_ L: OpaquePointer!) -> Int32

/*
** get functions (Lua -> stack)
*/
public func lua_getglobal(_ L: OpaquePointer!, _ name: UnsafePointer<Int8>!) -> Int32
public func lua_gettable(_ L: OpaquePointer!, _ idx: Int32) -> Int32
public func lua_getfield(_ L: OpaquePointer!, _ idx: Int32, _ k: UnsafePointer<Int8>!) -> Int32
public func lua_geti(_ L: OpaquePointer!, _ idx: Int32, _ n: lua_Integer) -> Int32
public func lua_rawget(_ L: OpaquePointer!, _ idx: Int32) -> Int32
public func lua_rawgeti(_ L: OpaquePointer!, _ idx: Int32, _ n: lua_Integer) -> Int32
public func lua_rawgetp(_ L: OpaquePointer!, _ idx: Int32, _ p: UnsafeRawPointer!) -> Int32

public func lua_createtable(_ L: OpaquePointer!, _ narr: Int32, _ nrec: Int32)
public func lua_newuserdata(_ L: OpaquePointer!, _ sz: Int) -> UnsafeMutableRawPointer!
public func lua_getmetatable(_ L: OpaquePointer!, _ objindex: Int32) -> Int32
public func lua_getuservalue(_ L: OpaquePointer!, _ idx: Int32) -> Int32

/*
** set functions (stack -> Lua)
*/
public func lua_setglobal(_ L: OpaquePointer!, _ name: UnsafePointer<Int8>!)
public func lua_settable(_ L: OpaquePointer!, _ idx: Int32)
public func lua_setfield(_ L: OpaquePointer!, _ idx: Int32, _ k: UnsafePointer<Int8>!)
public func lua_seti(_ L: OpaquePointer!, _ idx: Int32, _ n: lua_Integer)
public func lua_rawset(_ L: OpaquePointer!, _ idx: Int32)
public func lua_rawseti(_ L: OpaquePointer!, _ idx: Int32, _ n: lua_Integer)
public func lua_rawsetp(_ L: OpaquePointer!, _ idx: Int32, _ p: UnsafeRawPointer!)
public func lua_setmetatable(_ L: OpaquePointer!, _ objindex: Int32) -> Int32
public func lua_setuservalue(_ L: OpaquePointer!, _ idx: Int32)

/*
** 'load' and 'call' functions (load and run Lua code)
*/
public func lua_callk(_ L: OpaquePointer!, _ nargs: Int32, _ nresults: Int32, _ ctx: lua_KContext, _ k: lua_KFunction!)

public func lua_pcallk(_ L: OpaquePointer!, _ nargs: Int32, _ nresults: Int32, _ errfunc: Int32, _ ctx: lua_KContext, _ k: lua_KFunction!) -> Int32

public func lua_load(_ L: OpaquePointer!, _ reader: lua_Reader!, _ dt: UnsafeMutableRawPointer!, _ chunkname: UnsafePointer<Int8>!, _ mode: UnsafePointer<Int8>!) -> Int32

public func lua_dump(_ L: OpaquePointer!, _ writer: lua_Writer!, _ data: UnsafeMutableRawPointer!, _ strip: Int32) -> Int32

/*
** coroutine functions
*/
public func lua_yieldk(_ L: OpaquePointer!, _ nresults: Int32, _ ctx: lua_KContext, _ k: lua_KFunction!) -> Int32
public func lua_resume(_ L: OpaquePointer!, _ from: OpaquePointer!, _ narg: Int32) -> Int32
public func lua_status(_ L: OpaquePointer!) -> Int32
public func lua_isyieldable(_ L: OpaquePointer!) -> Int32

/*
** garbage-collection function and options
*/

public var LUA_GCSTOP: Int32 { get }
public var LUA_GCRESTART: Int32 { get }
public var LUA_GCCOLLECT: Int32 { get }
public var LUA_GCCOUNT: Int32 { get }
public var LUA_GCCOUNTB: Int32 { get }
public var LUA_GCSTEP: Int32 { get }
public var LUA_GCSETPAUSE: Int32 { get }
public var LUA_GCSETSTEPMUL: Int32 { get }
public var LUA_GCISRUNNING: Int32 { get }

public func lua_gc(_ L: OpaquePointer!, _ what: Int32, _ data: Int32) -> Int32

/*
** miscellaneous functions
*/

public func lua_error(_ L: OpaquePointer!) -> Int32

public func lua_next(_ L: OpaquePointer!, _ idx: Int32) -> Int32

public func lua_concat(_ L: OpaquePointer!, _ n: Int32)
public func lua_len(_ L: OpaquePointer!, _ idx: Int32)

public func lua_stringtonumber(_ L: OpaquePointer!, _ s: UnsafePointer<Int8>!) -> Int

public func lua_getallocf(_ L: OpaquePointer!, _ ud: UnsafeMutablePointer<UnsafeMutableRawPointer?>!) -> lua_Alloc!
public func lua_setallocf(_ L: OpaquePointer!, _ f: lua_Alloc!, _ ud: UnsafeMutableRawPointer!)

/*
** {==============================================================
** some useful macros
** ===============================================================
*/

/* }============================================================== */

/*
** {==============================================================
** compatibility macros for unsigned conversions
** ===============================================================
*/

/* }============================================================== */

/*
** {======================================================================
** Debug API
** =======================================================================
*/

/*
** Event codes
*/
public var LUA_HOOKCALL: Int32 { get }
public var LUA_HOOKRET: Int32 { get }
public var LUA_HOOKLINE: Int32 { get }
public var LUA_HOOKCOUNT: Int32 { get }
public var LUA_HOOKTAILCALL: Int32 { get }

/*
** Event masks
*/
public var LUA_MASKCALL: Int32 { get }
public var LUA_MASKRET: Int32 { get }
public var LUA_MASKLINE: Int32 { get }
public var LUA_MASKCOUNT: Int32 { get }

/* activation record */

/* Functions to be called by the debugger in specific events */
public typealias lua_Hook = @convention(c) (OpaquePointer?, UnsafeMutablePointer<lua_Debug>?) -> Void

public func lua_getstack(_ L: OpaquePointer!, _ level: Int32, _ ar: UnsafeMutablePointer<lua_Debug>!) -> Int32
public func lua_getinfo(_ L: OpaquePointer!, _ what: UnsafePointer<Int8>!, _ ar: UnsafeMutablePointer<lua_Debug>!) -> Int32
public func lua_getlocal(_ L: OpaquePointer!, _ ar: UnsafePointer<lua_Debug>!, _ n: Int32) -> UnsafePointer<Int8>!
public func lua_setlocal(_ L: OpaquePointer!, _ ar: UnsafePointer<lua_Debug>!, _ n: Int32) -> UnsafePointer<Int8>!
public func lua_getupvalue(_ L: OpaquePointer!, _ funcindex: Int32, _ n: Int32) -> UnsafePointer<Int8>!
public func lua_setupvalue(_ L: OpaquePointer!, _ funcindex: Int32, _ n: Int32) -> UnsafePointer<Int8>!

public func lua_upvalueid(_ L: OpaquePointer!, _ fidx: Int32, _ n: Int32) -> UnsafeMutableRawPointer!
public func lua_upvaluejoin(_ L: OpaquePointer!, _ fidx1: Int32, _ n1: Int32, _ fidx2: Int32, _ n2: Int32)

public func lua_sethook(_ L: OpaquePointer!, _ func: lua_Hook!, _ mask: Int32, _ count: Int32)
public func lua_gethook(_ L: OpaquePointer!) -> lua_Hook!
public func lua_gethookmask(_ L: OpaquePointer!) -> Int32
public func lua_gethookcount(_ L: OpaquePointer!) -> Int32

public struct lua_Debug {

    public var event: Int32

    public var name: UnsafePointer<Int8>! /* (n) */

    public var namewhat: UnsafePointer<Int8>! /* (n) 'global', 'local', 'field', 'method' */

    public var what: UnsafePointer<Int8>! /* (S) 'Lua', 'C', 'main', 'tail' */

    public var source: UnsafePointer<Int8>! /* (S) */

    public var currentline: Int32 /* (l) */

    public var linedefined: Int32 /* (S) */

    public var lastlinedefined: Int32 /* (S) */

    public var nups: UInt8 /* (u) number of upvalues */

    public var nparams: UInt8 /* (u) number of parameters */

    public var isvararg: Int8 /* (u) */

    public var istailcall: Int8 /* (t) */

    public var short_src: (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8) /* (S) */

    /* private part */
    public var i_ci: OpaquePointer! /* active function */

    public init()

    public init(event: Int32, name: UnsafePointer<Int8>!, namewhat: UnsafePointer<Int8>!, what: UnsafePointer<Int8>!, source: UnsafePointer<Int8>!, currentline: Int32, linedefined: Int32, lastlinedefined: Int32, nups: UInt8, nparams: UInt8, isvararg: Int8, istailcall: Int8, short_src: (Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8, Int8), i_ci: OpaquePointer!)
}
/*
** $Id: lauxlib.h,v 1.131.1.1 2017/04/19 17:20:42 roberto Exp $
** Auxiliary functions for building Lua libraries
** See Copyright Notice in lua.h
*/

/* extra error code for 'luaL_loadfilex' */
public var LUA_ERRFILE: Int32 { get }

/* key, in the registry, for table of loaded modules */
public var LUA_LOADED_TABLE: String { get }

/* key, in the registry, for table of preloaded loaders */
public var LUA_PRELOAD_TABLE: String { get }

public struct luaL_Reg {

    public var name: UnsafePointer<Int8>!

    public var `func`: lua_CFunction!

    public init()

    public init(name: UnsafePointer<Int8>!, func: lua_CFunction!)
}

public func luaL_checkversion_(_ L: OpaquePointer!, _ ver: lua_Number, _ sz: Int)

public func luaL_getmetafield(_ L: OpaquePointer!, _ obj: Int32, _ e: UnsafePointer<Int8>!) -> Int32
public func luaL_callmeta(_ L: OpaquePointer!, _ obj: Int32, _ e: UnsafePointer<Int8>!) -> Int32
public func luaL_tolstring(_ L: OpaquePointer!, _ idx: Int32, _ len: UnsafeMutablePointer<Int>!) -> UnsafePointer<Int8>!
public func luaL_argerror(_ L: OpaquePointer!, _ arg: Int32, _ extramsg: UnsafePointer<Int8>!) -> Int32
public func luaL_checklstring(_ L: OpaquePointer!, _ arg: Int32, _ l: UnsafeMutablePointer<Int>!) -> UnsafePointer<Int8>!
public func luaL_optlstring(_ L: OpaquePointer!, _ arg: Int32, _ def: UnsafePointer<Int8>!, _ l: UnsafeMutablePointer<Int>!) -> UnsafePointer<Int8>!
public func luaL_checknumber(_ L: OpaquePointer!, _ arg: Int32) -> lua_Number
public func luaL_optnumber(_ L: OpaquePointer!, _ arg: Int32, _ def: lua_Number) -> lua_Number

public func luaL_checkinteger(_ L: OpaquePointer!, _ arg: Int32) -> lua_Integer
public func luaL_optinteger(_ L: OpaquePointer!, _ arg: Int32, _ def: lua_Integer) -> lua_Integer

public func luaL_checkstack(_ L: OpaquePointer!, _ sz: Int32, _ msg: UnsafePointer<Int8>!)
public func luaL_checktype(_ L: OpaquePointer!, _ arg: Int32, _ t: Int32)
public func luaL_checkany(_ L: OpaquePointer!, _ arg: Int32)

public func luaL_newmetatable(_ L: OpaquePointer!, _ tname: UnsafePointer<Int8>!) -> Int32
public func luaL_setmetatable(_ L: OpaquePointer!, _ tname: UnsafePointer<Int8>!)
public func luaL_testudata(_ L: OpaquePointer!, _ ud: Int32, _ tname: UnsafePointer<Int8>!) -> UnsafeMutableRawPointer!
public func luaL_checkudata(_ L: OpaquePointer!, _ ud: Int32, _ tname: UnsafePointer<Int8>!) -> UnsafeMutableRawPointer!

public func luaL_where(_ L: OpaquePointer!, _ lvl: Int32)

public func luaL_checkoption(_ L: OpaquePointer!, _ arg: Int32, _ def: UnsafePointer<Int8>!, _ lst: UnsafePointer<UnsafePointer<Int8>?>!) -> Int32

public func luaL_fileresult(_ L: OpaquePointer!, _ stat: Int32, _ fname: UnsafePointer<Int8>!) -> Int32
public func luaL_execresult(_ L: OpaquePointer!, _ stat: Int32) -> Int32

/* predefined references */
public var LUA_NOREF: Int32 { get }
public var LUA_REFNIL: Int32 { get }

public func luaL_ref(_ L: OpaquePointer!, _ t: Int32) -> Int32
public func luaL_unref(_ L: OpaquePointer!, _ t: Int32, _ ref: Int32)

public func luaL_loadfilex(_ L: OpaquePointer!, _ filename: UnsafePointer<Int8>!, _ mode: UnsafePointer<Int8>!) -> Int32

public func luaL_loadbufferx(_ L: OpaquePointer!, _ buff: UnsafePointer<Int8>!, _ sz: Int, _ name: UnsafePointer<Int8>!, _ mode: UnsafePointer<Int8>!) -> Int32
public func luaL_loadstring(_ L: OpaquePointer!, _ s: UnsafePointer<Int8>!) -> Int32

public func luaL_newstate() -> OpaquePointer!

public func luaL_len(_ L: OpaquePointer!, _ idx: Int32) -> lua_Integer

public func luaL_gsub(_ L: OpaquePointer!, _ s: UnsafePointer<Int8>!, _ p: UnsafePointer<Int8>!, _ r: UnsafePointer<Int8>!) -> UnsafePointer<Int8>!

public func luaL_setfuncs(_ L: OpaquePointer!, _ l: UnsafePointer<luaL_Reg>!, _ nup: Int32)

public func luaL_getsubtable(_ L: OpaquePointer!, _ idx: Int32, _ fname: UnsafePointer<Int8>!) -> Int32

public func luaL_traceback(_ L: OpaquePointer!, _ L1: OpaquePointer!, _ msg: UnsafePointer<Int8>!, _ level: Int32)

public func luaL_requiref(_ L: OpaquePointer!, _ modname: UnsafePointer<Int8>!, _ openf: lua_CFunction!, _ glb: Int32)

/*
** ===============================================================
** some useful macros
** ===============================================================
*/

/*
** {======================================================
** Generic Buffer manipulation
** =======================================================
*/

public struct luaL_Buffer {

    public var b: UnsafeMutablePointer<Int8>! /* buffer address */

    public var size: Int /* buffer size */

    public var n: Int /* number of characters in buffer */

    public var L: OpaquePointer!

    public init()
}

/* initial buffer */

public func luaL_buffinit(_ L: OpaquePointer!, _ B: UnsafeMutablePointer<luaL_Buffer>!)
public func luaL_prepbuffsize(_ B: UnsafeMutablePointer<luaL_Buffer>!, _ sz: Int) -> UnsafeMutablePointer<Int8>!
public func luaL_addlstring(_ B: UnsafeMutablePointer<luaL_Buffer>!, _ s: UnsafePointer<Int8>!, _ l: Int)
public func luaL_addstring(_ B: UnsafeMutablePointer<luaL_Buffer>!, _ s: UnsafePointer<Int8>!)
public func luaL_addvalue(_ B: UnsafeMutablePointer<luaL_Buffer>!)
public func luaL_pushresult(_ B: UnsafeMutablePointer<luaL_Buffer>!)
public func luaL_pushresultsize(_ B: UnsafeMutablePointer<luaL_Buffer>!, _ sz: Int)
public func luaL_buffinitsize(_ L: OpaquePointer!, _ B: UnsafeMutablePointer<luaL_Buffer>!, _ sz: Int) -> UnsafeMutablePointer<Int8>!

/* }====================================================== */

/*
** {======================================================
** File handles for IO library
** =======================================================
*/

/*
** A file handle is a userdata with metatable 'LUA_FILEHANDLE' and
** initial structure 'luaL_Stream' (it may contain other fields
** after that initial structure).
*/

public var LUA_FILEHANDLE: String { get }

public struct luaL_Stream {

    public var f: UnsafeMutablePointer<FILE>! /* stream (NULL for incompletely created streams) */

    public var closef: lua_CFunction! /* to close stream (NULL for closed streams) */

    public init()

    public init(f: UnsafeMutablePointer<FILE>!, closef: lua_CFunction!)
}