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EXPERIMENTAL DO NOT PULL

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using new compatibility headers and testing on the tests (works on VC++ Lua 5.3 and LuaJIT so far)
This commit is contained in:
ThePhD 2017-09-09 21:38:13 -04:00
parent 8409a82c1a
commit 232abab96a
12 changed files with 2149 additions and 1972 deletions
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4
single.py
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@ -58,7 +58,7 @@ module_path = os.path.join(script_path)
includes = set([])
standard_include = re.compile(r'#include <(.*?)>')
local_include = re.compile(r'#include "(.*?)"')
local_include = re.compile(r'#(\s*?)include "(.*?)"')
ifndef_cpp = re.compile(r'#ifndef SOL_.*?_HPP')
define_cpp = re.compile(r'#define SOL_.*?_HPP')
endif_cpp = re.compile(r'#endif // SOL_.*?_HPP')
@ -67,7 +67,7 @@ def get_include(line, base_path):
local_match = local_include.match(line)
if local_match:
# local include found
full_path = os.path.normpath(os.path.join(base_path, local_match.group(1))).replace('\\', '/')
full_path = os.path.normpath(os.path.join(base_path, local_match.group(2))).replace('\\', '/')
return full_path
return None

1870
single/sol/sol.hpp
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File diff suppressed because it is too large Load Diff

2
sol/bind_traits.hpp
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@ -1,6 +1,6 @@
// The MIT License (MIT)
// Copyright (c) 2013-2016 Rappt1101010z, ThePhD and contributors
// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in

15
sol/compatibility.hpp
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@ -32,18 +32,15 @@
#ifndef SOL_NO_COMPAT
#if defined(__cplusplus) && !defined(SOL_USING_CXX_LUA)
extern "C" {
#if defined(SOL_USING_CXX_LUA)
#ifndef COMPAT53_LUA_CPP
#define COMPAT53_LUA_CPP 1
#endif
#include "compatibility/5.2.0.h"
#include "compatibility/5.1.0.h"
#include "compatibility/5.0.0.h"
#include "compatibility/5.x.x.h"
#include "compatibility/5.x.x.inl"
#if defined(__cplusplus) && !defined(SOL_USING_CXX_LUA)
}
#endif
#include "compatibility//compat-5.3.h"
#endif // SOL_NO_COMPAT
#endif // SOL_COMPATIBILITY_HPP

44
sol/compatibility/5.0.0.h
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@ -1,44 +0,0 @@
// The MIT License (MIT)
// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifndef SOL_5_0_0_H
#define SOL_5_0_0_H
#include "version.hpp"
#if SOL_LUA_VERSION < 501
/* Lua 5.0 */
#define LUA_QL(x) "'" x "'"
#define LUA_QS LUA_QL("%s")
#define luaL_Reg luaL_reg
#define luaL_opt(L, f, n, d) \
(lua_isnoneornil(L, n) ? (d) : f(L, n))
#define luaL_addchar(B,c) \
((void)((B)->p < ((B)->buffer+LUAL_BUFFERSIZE) || luaL_prepbuffer(B)), \
(*(B)->p++ = (char)(c)))
#endif // Lua 5.0
#endif // SOL_5_0_0_H

179
sol/compatibility/5.1.0.h
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@ -1,179 +0,0 @@
// The MIT License (MIT)
// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifndef SOL_5_1_0_H
#define SOL_5_1_0_H
#include "version.hpp"
#if SOL_LUA_VERSION == 501
/* Lua 5.1 */
#include <stddef.h>
#include <string.h>
#include <stdio.h>
/* LuaJIT doesn't define these unofficial macros ... */
#if !defined(LUAI_INT32)
#include <limits.h>
#if INT_MAX-20 < 32760
#define LUAI_INT32 long
#define LUAI_UINT32 unsigned long
#elif INT_MAX > 2147483640L
#define LUAI_INT32 int
#define LUAI_UINT32 unsigned int
#else
#error "could not detect suitable lua_Unsigned datatype"
#endif
#endif
/* LuaJIT does not have the updated error codes for thread status/function returns */
#ifndef LUA_ERRGCMM
#define LUA_ERRGCMM (LUA_ERRERR + 2)
#endif // LUA_ERRGCMM
/* LuaJIT does not support continuation contexts / return error codes? */
#ifndef LUA_KCONTEXT
#define LUA_KCONTEXT std::ptrdiff_t
typedef LUA_KCONTEXT lua_KContext;
typedef int(*lua_KFunction) (lua_State *L, int status, lua_KContext ctx);
#endif // LUA_KCONTEXT
#define LUA_OPADD 0
#define LUA_OPSUB 1
#define LUA_OPMUL 2
#define LUA_OPDIV 3
#define LUA_OPMOD 4
#define LUA_OPPOW 5
#define LUA_OPUNM 6
#define LUA_OPEQ 0
#define LUA_OPLT 1
#define LUA_OPLE 2
typedef LUAI_UINT32 lua_Unsigned;
typedef struct luaL_Buffer_52 {
luaL_Buffer b; /* make incorrect code crash! */
char *ptr;
size_t nelems;
size_t capacity;
lua_State *L2;
} luaL_Buffer_52;
#define luaL_Buffer luaL_Buffer_52
#define lua_tounsigned(L, i) lua_tounsignedx(L, i, NULL)
#define lua_rawlen(L, i) lua_objlen(L, i)
inline void lua_callk(lua_State *L, int nargs, int nresults, lua_KContext, lua_KFunction) {
// should probably warn the user of Lua 5.1 that continuation isn't supported...
lua_call(L, nargs, nresults);
}
inline int lua_pcallk(lua_State *L, int nargs, int nresults, int errfunc, lua_KContext, lua_KFunction) {
// should probably warn the user of Lua 5.1 that continuation isn't supported...
return lua_pcall(L, nargs, nresults, errfunc);
}
void lua_arith(lua_State *L, int op);
int lua_compare(lua_State *L, int idx1, int idx2, int op);
void lua_pushunsigned(lua_State *L, lua_Unsigned n);
lua_Unsigned luaL_checkunsigned(lua_State *L, int i);
lua_Unsigned lua_tounsignedx(lua_State *L, int i, int *isnum);
lua_Unsigned luaL_optunsigned(lua_State *L, int i, lua_Unsigned def);
lua_Integer lua_tointegerx(lua_State *L, int i, int *isnum);
void lua_len(lua_State *L, int i);
int luaL_len(lua_State *L, int i);
const char *luaL_tolstring(lua_State *L, int idx, size_t *len);
void luaL_requiref(lua_State *L, char const* modname, lua_CFunction openf, int glb);
#define luaL_buffinit luaL_buffinit_52
void luaL_buffinit(lua_State *L, luaL_Buffer_52 *B);
#define luaL_prepbuffsize luaL_prepbuffsize_52
char *luaL_prepbuffsize(luaL_Buffer_52 *B, size_t s);
#define luaL_addlstring luaL_addlstring_52
void luaL_addlstring(luaL_Buffer_52 *B, const char *s, size_t l);
#define luaL_addvalue luaL_addvalue_52
void luaL_addvalue(luaL_Buffer_52 *B);
#define luaL_pushresult luaL_pushresult_52
void luaL_pushresult(luaL_Buffer_52 *B);
#undef luaL_buffinitsize
#define luaL_buffinitsize(L, B, s) \
(luaL_buffinit(L, B), luaL_prepbuffsize(B, s))
#undef luaL_prepbuffer
#define luaL_prepbuffer(B) \
luaL_prepbuffsize(B, LUAL_BUFFERSIZE)
#undef luaL_addchar
#define luaL_addchar(B, c) \
((void)((B)->nelems < (B)->capacity || luaL_prepbuffsize(B, 1)), \
((B)->ptr[(B)->nelems++] = (c)))
#undef luaL_addsize
#define luaL_addsize(B, s) \
((B)->nelems += (s))
#undef luaL_addstring
#define luaL_addstring(B, s) \
luaL_addlstring(B, s, strlen(s))
#undef luaL_pushresultsize
#define luaL_pushresultsize(B, s) \
(luaL_addsize(B, s), luaL_pushresult(B))
typedef struct kepler_lua_compat_get_string_view {
const char *s;
size_t size;
} kepler_lua_compat_get_string_view;
inline const char* kepler_lua_compat_get_string(lua_State* L, void* ud, size_t* size) {
kepler_lua_compat_get_string_view* ls = (kepler_lua_compat_get_string_view*) ud;
(void)L;
if (ls->size == 0) return NULL;
*size = ls->size;
ls->size = 0;
return ls->s;
}
#if !defined(SOL_LUAJIT) || (SOL_LUAJIT_VERSION < 20001)
// Luajit 2.1.0, 2.0.1+ has this function already based on the downloads from LuaJIT.org
// if you encounter a bug related to this please file a report so we can further check values
inline int luaL_loadbufferx(lua_State* L, const char* buff, size_t size, const char* name, const char*) {
kepler_lua_compat_get_string_view ls;
ls.s = buff;
ls.size = size;
return lua_load(L, kepler_lua_compat_get_string, &ls, name/*, mode*/);
}
inline int luaL_loadfilex(lua_State* L, const char* filename, const char*) {
return luaL_loadfile(L, filename/*, mode*/);
}
#endif // Luajit 2.1.0-beta+, 2.0.1+ beta and beyond
#endif /* Lua 5.1 */
#endif // SOL_5_1_0_H

44
sol/compatibility/5.2.0.h
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@ -1,44 +0,0 @@
// The MIT License (MIT)
// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifndef SOL_5_2_0_H
#define SOL_5_2_0_H
#include "version.hpp"
#if SOL_LUA_VERSION < 503
inline int lua_isinteger(lua_State* L, int idx) {
if (lua_type(L, idx) != LUA_TNUMBER)
return 0;
// This is a very slipshod way to do the testing
// but lua_totingerx doesn't play ball nicely
// on older versions...
lua_Number n = lua_tonumber(L, idx);
lua_Integer i = lua_tointeger(L, idx);
if (i != n)
return 0;
// it's DEFINITELY an integer
return 1;
}
#endif // SOL_LUA_VERSION == 502
#endif // SOL_5_2_0_H

61
sol/compatibility/5.x.x.h
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@ -1,61 +0,0 @@
// The MIT License (MIT)
// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifndef SOL_5_X_X_H
#define SOL_5_X_X_H
#include "version.hpp"
#if SOL_LUA_VERSION < 502
#define LUA_RIDX_GLOBALS LUA_GLOBALSINDEX
#define LUA_OK 0
#define lua_pushglobaltable(L) \
lua_pushvalue(L, LUA_GLOBALSINDEX)
void luaL_checkversion(lua_State *L);
#if !defined(SOL_LUAJIT_VERSION) || SOL_LUAJIT_VERSION < 20100
void lua_copy(lua_State *L, int from, int to);
lua_Integer lua_tointegerx(lua_State *L, int i, int *isnum);
lua_Number lua_tonumberx(lua_State *L, int i, int *isnum);
const lua_Number *lua_version(lua_State *L);
void luaL_setfuncs(lua_State *L, const luaL_Reg *l, int nup);
void luaL_setmetatable(lua_State *L, const char *tname);
void *luaL_testudata(lua_State *L, int i, const char *tname);
#define luaL_newlib(L, l) \
(lua_newtable((L)),luaL_setfuncs((L), (l), 0))
#endif // LuaJIT-2.1.0-beta3 added these compatibility functions
int lua_absindex(lua_State *L, int i);
void lua_rawgetp(lua_State *L, int i, const void *p);
void lua_rawsetp(lua_State *L, int i, const void *p);
void lua_getuservalue(lua_State *L, int i);
void lua_setuservalue(lua_State *L, int i);
int luaL_getsubtable(lua_State *L, int i, const char *name);
void luaL_traceback(lua_State *L, lua_State *L1, const char *msg, int level);
int luaL_fileresult(lua_State *L, int stat, const char *fname);
#endif // Lua 5.1 and below
#endif // SOL_5_X_X_H

752
sol/compatibility/5.x.x.inl
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@ -1,752 +0,0 @@
// The MIT License (MIT)
// Copyright (c) 2013-2017 Rapptz, ThePhD and contributors
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifndef SOL_5_X_X_INL
#define SOL_5_X_X_INL
#include "version.hpp"
#include "5.2.0.h"
#include "5.1.0.h"
#include "5.0.0.h"
#include "5.x.x.h"
#if SOL_LUA_VERSION < 502
#include <errno.h>
#include <string.h>
#include <stdio.h>
#define PACKAGE_KEY "_sol.package"
inline int lua_absindex(lua_State *L, int i) {
if (i < 0 && i > LUA_REGISTRYINDEX)
i += lua_gettop(L) + 1;
return i;
}
#if !defined(SOL_LUAJIT_VERSION) || SOL_LUAJIT_VERSION < 20100
inline void lua_copy(lua_State *L, int from, int to) {
int abs_to = lua_absindex(L, to);
luaL_checkstack(L, 1, "not enough stack slots");
lua_pushvalue(L, from);
lua_replace(L, abs_to);
}
inline lua_Integer lua_tointegerx(lua_State *L, int i, int *isnum) {
lua_Integer n = lua_tointeger(L, i);
if (isnum != NULL) {
*isnum = (n != 0 || lua_isnumber(L, i));
}
return n;
}
inline lua_Number lua_tonumberx(lua_State *L, int i, int *isnum) {
lua_Number n = lua_tonumber(L, i);
if (isnum != NULL) {
*isnum = (n != 0 || lua_isnumber(L, i));
}
return n;
}
inline const lua_Number *lua_version(lua_State *L) {
static const lua_Number version = LUA_VERSION_NUM;
if (L == NULL) return &version;
// TODO: wonky hacks to get at the inside of the incomplete type lua_State?
//else return L->l_G->version;
else return &version;
}
/*
** Adapted from Lua 5.2.0
*/
inline void luaL_setfuncs(lua_State *L, const luaL_Reg *l, int nup) {
luaL_checkstack(L, nup + 1, "too many upvalues");
for (; l->name != NULL; l++) { /* fill the table with given functions */
int i;
lua_pushstring(L, l->name);
for (i = 0; i < nup; i++) /* copy upvalues to the top */
lua_pushvalue(L, -(nup + 1));
lua_pushcclosure(L, l->func, nup); /* closure with those upvalues */
lua_settable(L, -(nup + 3)); /* table must be below the upvalues, the name and the closure */
}
lua_pop(L, nup); /* remove upvalues */
}
inline void luaL_setmetatable(lua_State *L, const char *tname) {
luaL_checkstack(L, 1, "not enough stack slots");
luaL_getmetatable(L, tname);
lua_setmetatable(L, -2);
}
inline void *luaL_testudata(lua_State *L, int i, const char *tname) {
void *p = lua_touserdata(L, i);
luaL_checkstack(L, 2, "not enough stack slots");
if (p == NULL || !lua_getmetatable(L, i))
return NULL;
else {
int res = 0;
luaL_getmetatable(L, tname);
res = lua_rawequal(L, -1, -2);
lua_pop(L, 2);
if (!res)
p = NULL;
}
return p;
}
#endif
inline void lua_rawgetp(lua_State *L, int i, const void *p) {
int abs_i = lua_absindex(L, i);
lua_pushlightuserdata(L, (void*)p);
lua_rawget(L, abs_i);
}
inline void lua_rawsetp(lua_State *L, int i, const void *p) {
int abs_i = lua_absindex(L, i);
luaL_checkstack(L, 1, "not enough stack slots");
lua_pushlightuserdata(L, (void*)p);
lua_insert(L, -2);
lua_rawset(L, abs_i);
}
inline static void push_package_table(lua_State *L) {
lua_pushliteral(L, PACKAGE_KEY);
lua_rawget(L, LUA_REGISTRYINDEX);
if (!lua_istable(L, -1)) {
lua_pop(L, 1);
/* try to get package table from globals */
lua_pushliteral(L, "package");
lua_rawget(L, LUA_GLOBALSINDEX);
if (lua_istable(L, -1)) {
lua_pushliteral(L, PACKAGE_KEY);
lua_pushvalue(L, -2);
lua_rawset(L, LUA_REGISTRYINDEX);
}
}
}
inline void lua_getuservalue(lua_State *L, int i) {
luaL_checktype(L, i, LUA_TUSERDATA);
luaL_checkstack(L, 2, "not enough stack slots");
lua_getfenv(L, i);
lua_pushvalue(L, LUA_GLOBALSINDEX);
if (lua_rawequal(L, -1, -2)) {
lua_pop(L, 1);
lua_pushnil(L);
lua_replace(L, -2);
}
else {
lua_pop(L, 1);
push_package_table(L);
if (lua_rawequal(L, -1, -2)) {
lua_pop(L, 1);
lua_pushnil(L);
lua_replace(L, -2);
}
else
lua_pop(L, 1);
}
}
inline void lua_setuservalue(lua_State *L, int i) {
luaL_checktype(L, i, LUA_TUSERDATA);
if (lua_isnil(L, -1)) {
luaL_checkstack(L, 1, "not enough stack slots");
lua_pushvalue(L, LUA_GLOBALSINDEX);
lua_replace(L, -2);
}
lua_setfenv(L, i);
}
inline int luaL_getsubtable(lua_State *L, int i, const char *name) {
int abs_i = lua_absindex(L, i);
luaL_checkstack(L, 3, "not enough stack slots");
lua_pushstring(L, name);
lua_gettable(L, abs_i);
if (lua_istable(L, -1))
return 1;
lua_pop(L, 1);
lua_newtable(L);
lua_pushstring(L, name);
lua_pushvalue(L, -2);
lua_settable(L, abs_i);
return 0;
}
#ifndef SOL_LUAJIT
inline static int countlevels(lua_State *L) {
lua_Debug ar;
int li = 1, le = 1;
/* find an upper bound */
while (lua_getstack(L, le, &ar)) { li = le; le *= 2; }
/* do a binary search */
while (li < le) {
int m = (li + le) / 2;
if (lua_getstack(L, m, &ar)) li = m + 1;
else le = m;
}
return le - 1;
}
inline static int findfield(lua_State *L, int objidx, int level) {
if (level == 0 || !lua_istable(L, -1))
return 0; /* not found */
lua_pushnil(L); /* start 'next' loop */
while (lua_next(L, -2)) { /* for each pair in table */
if (lua_type(L, -2) == LUA_TSTRING) { /* ignore non-string keys */
if (lua_rawequal(L, objidx, -1)) { /* found object? */
lua_pop(L, 1); /* remove value (but keep name) */
return 1;
}
else if (findfield(L, objidx, level - 1)) { /* try recursively */
lua_remove(L, -2); /* remove table (but keep name) */
lua_pushliteral(L, ".");
lua_insert(L, -2); /* place '.' between the two names */
lua_concat(L, 3);
return 1;
}
}
lua_pop(L, 1); /* remove value */
}
return 0; /* not found */
}
inline static int pushglobalfuncname(lua_State *L, lua_Debug *ar) {
int top = lua_gettop(L);
lua_getinfo(L, "f", ar); /* push function */
lua_pushvalue(L, LUA_GLOBALSINDEX);
if (findfield(L, top + 1, 2)) {
lua_copy(L, -1, top + 1); /* move name to proper place */
lua_pop(L, 2); /* remove pushed values */
return 1;
}
else {
lua_settop(L, top); /* remove function and global table */
return 0;
}
}
inline static void pushfuncname(lua_State *L, lua_Debug *ar) {
if (*ar->namewhat != '\0') /* is there a name? */
lua_pushfstring(L, "function " LUA_QS, ar->name);
else if (*ar->what == 'm') /* main? */
lua_pushliteral(L, "main chunk");
else if (*ar->what == 'C') {
if (pushglobalfuncname(L, ar)) {
lua_pushfstring(L, "function " LUA_QS, lua_tostring(L, -1));
lua_remove(L, -2); /* remove name */
}
else
lua_pushliteral(L, "?");
}
else
lua_pushfstring(L, "function <%s:%d>", ar->short_src, ar->linedefined);
}
#define LEVELS1 12 /* size of the first part of the stack */
#define LEVELS2 10 /* size of the second part of the stack */
inline void luaL_traceback(lua_State *L, lua_State *L1,
const char *msg, int level) {
lua_Debug ar;
int top = lua_gettop(L);
int numlevels = countlevels(L1);
int mark = (numlevels > LEVELS1 + LEVELS2) ? LEVELS1 : 0;
if (msg) lua_pushfstring(L, "%s\n", msg);
lua_pushliteral(L, "stack traceback:");
while (lua_getstack(L1, level++, &ar)) {
if (level == mark) { /* too many levels? */
lua_pushliteral(L, "\n\t..."); /* add a '...' */
level = numlevels - LEVELS2; /* and skip to last ones */
}
else {
lua_getinfo(L1, "Slnt", &ar);
lua_pushfstring(L, "\n\t%s:", ar.short_src);
if (ar.currentline > 0)
lua_pushfstring(L, "%d:", ar.currentline);
lua_pushliteral(L, " in ");
pushfuncname(L, &ar);
lua_concat(L, lua_gettop(L) - top);
}
}
lua_concat(L, lua_gettop(L) - top);
}
#endif
inline static void luaL_checkversion_(lua_State *L, lua_Number ver) {
const lua_Number* v = lua_version(L);
if (v != lua_version(NULL))
luaL_error(L, "multiple Lua VMs detected");
else if (*v != ver)
luaL_error(L, "version mismatch: app. needs %f, Lua core provides %f",
ver, *v);
/* check conversions number -> integer types */
lua_pushnumber(L, -(lua_Number)0x1234);
if (lua_tointeger(L, -1) != -0x1234 ||
lua_tounsigned(L, -1) != (lua_Unsigned)-0x1234)
luaL_error(L, "bad conversion number->int;"
" must recompile Lua with proper settings");
lua_pop(L, 1);
}
inline void luaL_checkversion(lua_State* L) {
luaL_checkversion_(L, LUA_VERSION_NUM);
}
#ifndef SOL_LUAJIT
#if defined(__GNUC__) && defined(__MINGW32__) && (__GNUC__ < 6)
// MinGW 5.x.x and below
// So as #485 indicates, MinGW doesn't have this function of 5.3 of MinGW
// time to cover for C's standard library. again
int strerror_r(int errnum, char *buf, size_t len) {
// did we get a crap buffer?
if (buf == NULL) {
// considered a range error
// write errno, then return
errno = ERANGE;
return ERANGE;
}
//
if ((errnum < 0) || (errnum >= sys_nerr)) {
// failure
snprintf(buf, len, "unknown error: %d", errnum);
// write errno, then return
errno = EINVAL;
return EINVAL;
}
// TODO: this is technically thread unsafe if `strerror` doesn't use threadlocal storage
// itself
// but I really am too lazy to figure out how to lock mutexes
// in plain C... does the std C lib even have synchro primitives?
// NOTe: Turns out there are not.... great
// pthreads isn't guaranteed either
// let's just hope the stdc lib devs use thread_local on their stuff
char* hopeitsthreadlocal = strerror(errnum);
if (snprintf(buf, len, "%s", hopeitsthreadlocal) >= (ptrdiff_t)len) {
// if this triggers we attempted to overwrite the buffer
// how fun
errno = ERANGE;
return ERANGE;
}
return 0;
}
#endif // MinGW missing stuff
inline int luaL_fileresult(lua_State *L, int stat, const char *fname) {
int en = errno; /* calls to Lua API may change this value */
if (stat) {
lua_pushboolean(L, 1);
return 1;
}
else {
char buf[1024];
#if defined(__GLIBC__) || defined(_POSIX_VERSION) || defined(__APPLE__) || (defined(__GNUC__) && defined (__MINGW32__) && (__GNUC__ < 6))
strerror_r(en, buf, 1024);
#else
strerror_s(buf, 1024, en);
#endif
lua_pushnil(L);
if (fname)
lua_pushfstring(L, "%s: %s", fname, buf);
else
lua_pushstring(L, buf);
lua_pushnumber(L, (lua_Number)en);
return 3;
}
}
#endif // luajit
#endif // Lua 5.0 or Lua 5.1
#if SOL_LUA_VERSION == 501
#include <limits.h>
typedef LUAI_INT32 LUA_INT32;
/********************************************************************/
/* extract of 5.2's luaconf.h */
/* detects proper defines for faster unsigned<->number conversion */
/* see copyright notice at the end of this file */
/********************************************************************/
#if !defined(LUA_ANSI) && defined(_WIN32) && !defined(_WIN32_WCE)
#define LUA_WIN /* enable goodies for regular Windows platforms */
#endif
#if defined(LUA_NUMBER_DOUBLE) && !defined(LUA_ANSI) /* { */
/* Microsoft compiler on a Pentium (32 bit) ? */
#if defined(LUA_WIN) && defined(_MSC_VER) && defined(_M_IX86) /* { */
#define LUA_MSASMTRICK
#define LUA_IEEEENDIAN 0
#define LUA_NANTRICK
/* pentium 32 bits? */
#elif defined(__i386__) || defined(__i386) || defined(__X86__) /* }{ */
#define LUA_IEEE754TRICK
#define LUA_IEEELL
#define LUA_IEEEENDIAN 0
#define LUA_NANTRICK
/* pentium 64 bits? */
#elif defined(__x86_64) /* }{ */
#define LUA_IEEE754TRICK
#define LUA_IEEEENDIAN 0
#elif defined(__POWERPC__) || defined(__ppc__) /* }{ */
#define LUA_IEEE754TRICK
#define LUA_IEEEENDIAN 1
#else /* }{ */
/* assume IEEE754 and a 32-bit integer type */
#define LUA_IEEE754TRICK
#endif /* } */
#endif /* } */
/********************************************************************/
/* extract of 5.2's llimits.h */
/* gives us lua_number2unsigned and lua_unsigned2number */
/* see copyright notice just below this one here */
/********************************************************************/
/*********************************************************************
* This file contains parts of Lua 5.2's source code:
*
* Copyright (C) 1994-2013 Lua.org, PUC-Rio.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*********************************************************************/
#if defined(MS_ASMTRICK) || defined(LUA_MSASMTRICK) /* { */
/* trick with Microsoft assembler for X86 */
#define lua_number2unsigned(i,n) \
{__int64 l; __asm {__asm fld n __asm fistp l} i = (unsigned int)l;}
#elif defined(LUA_IEEE754TRICK) /* }{ */
/* the next trick should work on any machine using IEEE754 with
a 32-bit int type */
union compat52_luai_Cast { double l_d; LUA_INT32 l_p[2]; };
#if !defined(LUA_IEEEENDIAN) /* { */
#define LUAI_EXTRAIEEE \
static const union compat52_luai_Cast ieeeendian = {-(33.0 + 6755399441055744.0)};
#define LUA_IEEEENDIANLOC (ieeeendian.l_p[1] == 33)
#else
#define LUA_IEEEENDIANLOC LUA_IEEEENDIAN
#define LUAI_EXTRAIEEE /* empty */
#endif /* } */
#define lua_number2int32(i,n,t) \
{ LUAI_EXTRAIEEE \
volatile union compat52_luai_Cast u; u.l_d = (n) + 6755399441055744.0; \
(i) = (t)u.l_p[LUA_IEEEENDIANLOC]; }
#define lua_number2unsigned(i,n) lua_number2int32(i, n, lua_Unsigned)
#endif /* } */
/* the following definitions always work, but may be slow */
#if !defined(lua_number2unsigned) /* { */
/* the following definition assures proper modulo behavior */
#if defined(LUA_NUMBER_DOUBLE) || defined(LUA_NUMBER_FLOAT)
#include <math.h>
#define SUPUNSIGNED ((lua_Number)(~(lua_Unsigned)0) + 1)
#define lua_number2unsigned(i,n) \
((i)=(lua_Unsigned)((n) - floor((n)/SUPUNSIGNED)*SUPUNSIGNED))
#else
#define lua_number2unsigned(i,n) ((i)=(lua_Unsigned)(n))
#endif
#endif /* } */
#if !defined(lua_unsigned2number)
/* on several machines, coercion from unsigned to double is slow,
so it may be worth to avoid */
#define lua_unsigned2number(u) \
(((u) <= (lua_Unsigned)INT_MAX) ? (lua_Number)(int)(u) : (lua_Number)(u))
#endif
/********************************************************************/
inline static void compat52_call_lua(lua_State *L, char const code[], size_t len,
int nargs, int nret) {
lua_rawgetp(L, LUA_REGISTRYINDEX, (void*)code);
if (lua_type(L, -1) != LUA_TFUNCTION) {
lua_pop(L, 1);
if (luaL_loadbuffer(L, code, len, "=none"))
lua_error(L);
lua_pushvalue(L, -1);
lua_rawsetp(L, LUA_REGISTRYINDEX, (void*)code);
}
lua_insert(L, -nargs - 1);
lua_call(L, nargs, nret);
}
static const char compat52_arith_code[] = {
"local op,a,b=...\n"
"if op==0 then return a+b\n"
"elseif op==1 then return a-b\n"
"elseif op==2 then return a*b\n"
"elseif op==3 then return a/b\n"
"elseif op==4 then return a%b\n"
"elseif op==5 then return a^b\n"
"elseif op==6 then return -a\n"
"end\n"
};
inline void lua_arith(lua_State *L, int op) {
if (op < LUA_OPADD || op > LUA_OPUNM)
luaL_error(L, "invalid 'op' argument for lua_arith");
luaL_checkstack(L, 5, "not enough stack slots");
if (op == LUA_OPUNM)
lua_pushvalue(L, -1);
lua_pushnumber(L, op);
lua_insert(L, -3);
compat52_call_lua(L, compat52_arith_code,
sizeof(compat52_arith_code) - 1, 3, 1);
}
static const char compat52_compare_code[] = {
"local a,b=...\n"
"return a<=b\n"
};
inline int lua_compare(lua_State *L, int idx1, int idx2, int op) {
int result = 0;
switch (op) {
case LUA_OPEQ:
return lua_equal(L, idx1, idx2);
case LUA_OPLT:
return lua_lessthan(L, idx1, idx2);
case LUA_OPLE:
luaL_checkstack(L, 5, "not enough stack slots");
idx1 = lua_absindex(L, idx1);
idx2 = lua_absindex(L, idx2);
lua_pushvalue(L, idx1);
lua_pushvalue(L, idx2);
compat52_call_lua(L, compat52_compare_code,
sizeof(compat52_compare_code) - 1, 2, 1);
result = lua_toboolean(L, -1);
lua_pop(L, 1);
return result;
default:
luaL_error(L, "invalid 'op' argument for lua_compare");
}
return 0;
}
inline void lua_pushunsigned(lua_State *L, lua_Unsigned n) {
lua_pushnumber(L, lua_unsigned2number(n));
}
inline lua_Unsigned luaL_checkunsigned(lua_State *L, int i) {
lua_Unsigned result;
lua_Number n = lua_tonumber(L, i);
if (n == 0 && !lua_isnumber(L, i))
luaL_checktype(L, i, LUA_TNUMBER);
lua_number2unsigned(result, n);
return result;
}
inline lua_Unsigned lua_tounsignedx(lua_State *L, int i, int *isnum) {
lua_Unsigned result;
lua_Number n = lua_tonumberx(L, i, isnum);
lua_number2unsigned(result, n);
return result;
}
inline lua_Unsigned luaL_optunsigned(lua_State *L, int i, lua_Unsigned def) {
return luaL_opt(L, luaL_checkunsigned, i, def);
}
inline void lua_len(lua_State *L, int i) {
switch (lua_type(L, i)) {
case LUA_TSTRING: /* fall through */
case LUA_TTABLE:
if (!luaL_callmeta(L, i, "__len"))
lua_pushnumber(L, (int)lua_objlen(L, i));
break;
case LUA_TUSERDATA:
if (luaL_callmeta(L, i, "__len"))
break;
/* maybe fall through */
luaL_error(L, "attempt to get length of a %s value", lua_typename(L, lua_type(L, i)));
break;
default:
luaL_error(L, "attempt to get length of a %s value", lua_typename(L, lua_type(L, i)));
break;
}
}
inline int luaL_len(lua_State *L, int i) {
int res = 0, isnum = 0;
luaL_checkstack(L, 1, "not enough stack slots");
lua_len(L, i);
res = (int)lua_tointegerx(L, -1, &isnum);
lua_pop(L, 1);
if (!isnum)
luaL_error(L, "object length is not a number");
return res;
}
inline const char *luaL_tolstring(lua_State *L, int idx, size_t *len) {
if (!luaL_callmeta(L, idx, "__tostring")) {
int t = lua_type(L, idx);
switch (t) {
case LUA_TNIL:
lua_pushliteral(L, "nil");
break;
case LUA_TSTRING:
case LUA_TNUMBER:
lua_pushvalue(L, idx);
break;
case LUA_TBOOLEAN:
if (lua_toboolean(L, idx))
lua_pushliteral(L, "true");
else
lua_pushliteral(L, "false");
break;
default:
lua_pushfstring(L, "%s: %p", lua_typename(L, t),
lua_topointer(L, idx));
break;
}
}
return lua_tolstring(L, -1, len);
}
inline void luaL_requiref(lua_State *L, char const* modname,
lua_CFunction openf, int glb) {
luaL_checkstack(L, 3, "not enough stack slots");
lua_pushcfunction(L, openf);
lua_pushstring(L, modname);
lua_call(L, 1, 1);
lua_getglobal(L, "package");
if (lua_istable(L, -1) == 0) {
lua_pop(L, 1);
lua_createtable(L, 0, 16);
lua_setglobal(L, "package");
lua_getglobal(L, "package");
}
lua_getfield(L, -1, "loaded");
if (lua_istable(L, -1) == 0) {
lua_pop(L, 1);
lua_createtable(L, 0, 1);
lua_setfield(L, -2, "loaded");
lua_getfield(L, -1, "loaded");
}
lua_replace(L, -2);
lua_pushvalue(L, -2);
lua_setfield(L, -2, modname);
lua_pop(L, 1);
if (glb) {
lua_pushvalue(L, -1);
lua_setglobal(L, modname);
}
}
inline void luaL_buffinit(lua_State *L, luaL_Buffer_52 *B) {
/* make it crash if used via pointer to a 5.1-style luaL_Buffer */
B->b.p = NULL;
B->b.L = NULL;
B->b.lvl = 0;
/* reuse the buffer from the 5.1-style luaL_Buffer though! */
B->ptr = B->b.buffer;
B->capacity = LUAL_BUFFERSIZE;
B->nelems = 0;
B->L2 = L;
}
inline char *luaL_prepbuffsize(luaL_Buffer_52 *B, size_t s) {
if (B->capacity - B->nelems < s) { /* needs to grow */
char* newptr = NULL;
size_t newcap = B->capacity * 2;
if (newcap - B->nelems < s)
newcap = B->nelems + s;
if (newcap < B->capacity) /* overflow */
luaL_error(B->L2, "buffer too large");
newptr = (char*)lua_newuserdata(B->L2, newcap);
memcpy(newptr, B->ptr, B->nelems);
if (B->ptr != B->b.buffer)
lua_replace(B->L2, -2); /* remove old buffer */
B->ptr = newptr;
B->capacity = newcap;
}
return B->ptr + B->nelems;
}
inline void luaL_addlstring(luaL_Buffer_52 *B, const char *s, size_t l) {
memcpy(luaL_prepbuffsize(B, l), s, l);
luaL_addsize(B, l);
}
inline void luaL_addvalue(luaL_Buffer_52 *B) {
size_t len = 0;
const char *s = lua_tolstring(B->L2, -1, &len);
if (!s)
luaL_error(B->L2, "cannot convert value to string");
if (B->ptr != B->b.buffer)
lua_insert(B->L2, -2); /* userdata buffer must be at stack top */
luaL_addlstring(B, s, len);
lua_remove(B->L2, B->ptr != B->b.buffer ? -2 : -1);
}
inline void luaL_pushresult(luaL_Buffer_52 *B) {
lua_pushlstring(B->L2, B->ptr, B->nelems);
if (B->ptr != B->b.buffer)
lua_replace(B->L2, -2); /* remove userdata buffer */
}
#endif /* SOL_LUA_VERSION == 501 */
#endif // SOL_5_X_X_INL

738
sol/compatibility/compat-5.3.c Normal file
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@ -0,0 +1,738 @@
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include "compat-5.3.h"
/* don't compile it again if it already is included via compat53.h */
#ifndef COMPAT53_C_
#define COMPAT53_C_
/* definitions for Lua 5.1 only */
#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM == 501
#ifndef COMPAT53_LUA_FILE_BUFFER_SIZE
#define COMPAT53_LUA_FILE_BUFFER_SIZE 4096
#endif // Lua File Buffer Size
#define compat53_f_parser_buffer COMPAT53_CONCAT(COMPAT53_PREFIX, compat53_f_parser_buffer)
struct compat53_f_parser_buffer {
FILE* file;
size_t start;
char buffer[COMPAT53_LUA_FILE_BUFFER_SIZE];
};
COMPAT53_API int lua_absindex (lua_State *L, int i) {
if (i < 0 && i > LUA_REGISTRYINDEX)
i += lua_gettop(L) + 1;
return i;
}
static void compat53_call_lua (lua_State *L, char const code[], size_t len,
int nargs, int nret) {
lua_rawgetp(L, LUA_REGISTRYINDEX, (void*)code);
if (lua_type(L, -1) != LUA_TFUNCTION) {
lua_pop(L, 1);
if (luaL_loadbuffer(L, code, len, "=none"))
lua_error(L);
lua_pushvalue(L, -1);
lua_rawsetp(L, LUA_REGISTRYINDEX, (void*)code);
}
lua_insert(L, -nargs-1);
lua_call(L, nargs, nret);
}
static const char compat53_arith_code[] =
"local op,a,b=...\n"
"if op==0 then return a+b\n"
"elseif op==1 then return a-b\n"
"elseif op==2 then return a*b\n"
"elseif op==3 then return a/b\n"
"elseif op==4 then return a%b\n"
"elseif op==5 then return a^b\n"
"elseif op==6 then return -a\n"
"end\n";
COMPAT53_API void lua_arith (lua_State *L, int op) {
if (op < LUA_OPADD || op > LUA_OPUNM)
luaL_error(L, "invalid 'op' argument for lua_arith");
luaL_checkstack(L, 5, "not enough stack slots");
if (op == LUA_OPUNM)
lua_pushvalue(L, -1);
lua_pushnumber(L, op);
lua_insert(L, -3);
compat53_call_lua(L, compat53_arith_code,
sizeof(compat53_arith_code)-1, 3, 1);
}
static const char compat53_compare_code[] =
"local a,b=...\n"
"return a<=b\n";
COMPAT53_API int lua_compare (lua_State *L, int idx1, int idx2, int op) {
int result = 0;
switch (op) {
case LUA_OPEQ:
return lua_equal(L, idx1, idx2);
case LUA_OPLT:
return lua_lessthan(L, idx1, idx2);
case LUA_OPLE:
luaL_checkstack(L, 5, "not enough stack slots");
idx1 = lua_absindex(L, idx1);
idx2 = lua_absindex(L, idx2);
lua_pushvalue(L, idx1);
lua_pushvalue(L, idx2);
compat53_call_lua(L, compat53_compare_code,
sizeof(compat53_compare_code)-1, 2, 1);
result = lua_toboolean(L, -1);
lua_pop(L, 1);
return result;
default:
luaL_error(L, "invalid 'op' argument for lua_compare");
}
return 0;
}
COMPAT53_API void lua_copy (lua_State *L, int from, int to) {
int abs_to = lua_absindex(L, to);
luaL_checkstack(L, 1, "not enough stack slots");
lua_pushvalue(L, from);
lua_replace(L, abs_to);
}
COMPAT53_API void lua_len (lua_State *L, int i) {
switch (lua_type(L, i)) {
case LUA_TSTRING:
lua_pushnumber(L, (lua_Number)lua_objlen(L, i));
break;
case LUA_TTABLE:
if (!luaL_callmeta(L, i, "__len"))
lua_pushnumber(L, (lua_Number)lua_objlen(L, i));
break;
case LUA_TUSERDATA:
if (luaL_callmeta(L, i, "__len"))
break;
/* FALLTHROUGH */
default:
luaL_error(L, "attempt to get length of a %s value",
lua_typename(L, lua_type(L, i)));
}
}
COMPAT53_API int lua_rawgetp (lua_State *L, int i, const void *p) {
int abs_i = lua_absindex(L, i);
lua_pushlightuserdata(L, (void*)p);
lua_rawget(L, abs_i);
return lua_type(L, -1);
}
COMPAT53_API void lua_rawsetp (lua_State *L, int i, const void *p) {
int abs_i = lua_absindex(L, i);
luaL_checkstack(L, 1, "not enough stack slots");
lua_pushlightuserdata(L, (void*)p);
lua_insert(L, -2);
lua_rawset(L, abs_i);
}
COMPAT53_API lua_Integer lua_tointegerx (lua_State *L, int i, int *isnum) {
lua_Integer n = lua_tointeger(L, i);
if (isnum != NULL) {
*isnum = (n != 0 || lua_isnumber(L, i));
}
return n;
}
COMPAT53_API lua_Number lua_tonumberx (lua_State *L, int i, int *isnum) {
lua_Number n = lua_tonumber(L, i);
if (isnum != NULL) {
*isnum = (n != 0 || lua_isnumber(L, i));
}
return n;
}
COMPAT53_API void luaL_checkversion (lua_State *L) {
(void)L;
}
COMPAT53_API void luaL_checkstack (lua_State *L, int sp, const char *msg) {
if (!lua_checkstack(L, sp+LUA_MINSTACK)) {
if (msg != NULL)
luaL_error(L, "stack overflow (%s)", msg);
else {
lua_pushliteral(L, "stack overflow");
lua_error(L);
}
}
}
COMPAT53_API int luaL_getsubtable (lua_State *L, int i, const char *name) {
int abs_i = lua_absindex(L, i);
luaL_checkstack(L, 3, "not enough stack slots");
lua_pushstring(L, name);
lua_gettable(L, abs_i);
if (lua_istable(L, -1))
return 1;
lua_pop(L, 1);
lua_newtable(L);
lua_pushstring(L, name);
lua_pushvalue(L, -2);
lua_settable(L, abs_i);
return 0;
}
COMPAT53_API lua_Integer luaL_len (lua_State *L, int i) {
lua_Integer res = 0;
int isnum = 0;
luaL_checkstack(L, 1, "not enough stack slots");
lua_len(L, i);
res = lua_tointegerx(L, -1, &isnum);
lua_pop(L, 1);
if (!isnum)
luaL_error(L, "object length is not an integer");
return res;
}
COMPAT53_API void luaL_setfuncs (lua_State *L, const luaL_Reg *l, int nup) {
luaL_checkstack(L, nup+1, "too many upvalues");
for (; l->name != NULL; l++) { /* fill the table with given functions */
int i;
lua_pushstring(L, l->name);
for (i = 0; i < nup; i++) /* copy upvalues to the top */
lua_pushvalue(L, -(nup + 1));
lua_pushcclosure(L, l->func, nup); /* closure with those upvalues */
lua_settable(L, -(nup + 3)); /* table must be below the upvalues, the name and the closure */
}
lua_pop(L, nup); /* remove upvalues */
}
COMPAT53_API void luaL_setmetatable (lua_State *L, const char *tname) {
luaL_checkstack(L, 1, "not enough stack slots");
luaL_getmetatable(L, tname);
lua_setmetatable(L, -2);
}
COMPAT53_API void *luaL_testudata (lua_State *L, int i, const char *tname) {
void *p = lua_touserdata(L, i);
luaL_checkstack(L, 2, "not enough stack slots");
if (p == NULL || !lua_getmetatable(L, i))
return NULL;
else {
int res = 0;
luaL_getmetatable(L, tname);
res = lua_rawequal(L, -1, -2);
lua_pop(L, 2);
if (!res)
p = NULL;
}
return p;
}
static int compat53_countlevels (lua_State *L) {
lua_Debug ar;
int li = 1, le = 1;
/* find an upper bound */
while (lua_getstack(L, le, &ar)) { li = le; le *= 2; }
/* do a binary search */
while (li < le) {
int m = (li + le)/2;
if (lua_getstack(L, m, &ar)) li = m + 1;
else le = m;
}
return le - 1;
}
static int compat53_findfield (lua_State *L, int objidx, int level) {
if (level == 0 || !lua_istable(L, -1))
return 0; /* not found */
lua_pushnil(L); /* start 'next' loop */
while (lua_next(L, -2)) { /* for each pair in table */
if (lua_type(L, -2) == LUA_TSTRING) { /* ignore non-string keys */
if (lua_rawequal(L, objidx, -1)) { /* found object? */
lua_pop(L, 1); /* remove value (but keep name) */
return 1;
}
else if (compat53_findfield(L, objidx, level - 1)) { /* try recursively */
lua_remove(L, -2); /* remove table (but keep name) */
lua_pushliteral(L, ".");
lua_insert(L, -2); /* place '.' between the two names */
lua_concat(L, 3);
return 1;
}
}
lua_pop(L, 1); /* remove value */
}
return 0; /* not found */
}
static int compat53_pushglobalfuncname (lua_State *L, lua_Debug *ar) {
int top = lua_gettop(L);
lua_getinfo(L, "f", ar); /* push function */
lua_pushvalue(L, LUA_GLOBALSINDEX);
if (compat53_findfield(L, top + 1, 2)) {
lua_copy(L, -1, top + 1); /* move name to proper place */
lua_pop(L, 2); /* remove pushed values */
return 1;
}
else {
lua_settop(L, top); /* remove function and global table */
return 0;
}
}
static void compat53_pushfuncname (lua_State *L, lua_Debug *ar) {
if (*ar->namewhat != '\0') /* is there a name? */
lua_pushfstring(L, "function " LUA_QS, ar->name);
else if (*ar->what == 'm') /* main? */
lua_pushliteral(L, "main chunk");
else if (*ar->what == 'C') {
if (compat53_pushglobalfuncname(L, ar)) {
lua_pushfstring(L, "function " LUA_QS, lua_tostring(L, -1));
lua_remove(L, -2); /* remove name */
}
else
lua_pushliteral(L, "?");
}
else
lua_pushfstring(L, "function <%s:%d>", ar->short_src, ar->linedefined);
}
#define COMPAT53_LEVELS1 12 /* size of the first part of the stack */
#define COMPAT53_LEVELS2 10 /* size of the second part of the stack */
COMPAT53_API void luaL_traceback (lua_State *L, lua_State *L1,
const char *msg, int level) {
lua_Debug ar;
int top = lua_gettop(L);
int numlevels = compat53_countlevels(L1);
int mark = (numlevels > COMPAT53_LEVELS1 + COMPAT53_LEVELS2) ? COMPAT53_LEVELS1 : 0;
if (msg) lua_pushfstring(L, "%s\n", msg);
lua_pushliteral(L, "stack traceback:");
while (lua_getstack(L1, level++, &ar)) {
if (level == mark) { /* too many levels? */
lua_pushliteral(L, "\n\t..."); /* add a '...' */
level = numlevels - COMPAT53_LEVELS2; /* and skip to last ones */
}
else {
lua_getinfo(L1, "Slnt", &ar);
lua_pushfstring(L, "\n\t%s:", ar.short_src);
if (ar.currentline > 0)
lua_pushfstring(L, "%d:", ar.currentline);
lua_pushliteral(L, " in ");
compat53_pushfuncname(L, &ar);
lua_concat(L, lua_gettop(L) - top);
}
}
lua_concat(L, lua_gettop(L) - top);
}
COMPAT53_API int luaL_fileresult (lua_State *L, int stat, const char *fname) {
const char* s = NULL;
int en = errno; /* calls to Lua API may change this value */
if (stat) {
lua_pushboolean(L, 1);
return 1;
}
else {
lua_pushnil(L);
#if defined(__GLIBC__) || defined(_POSIX_VERSION) || defined(__APPLE__) || (!defined (__MINGW32__) && defined(__GNUC__) && (__GNUC__ < 6))
/* use strerror_r here, because it's available on these specific platforms */
char buf[512] = {0};
#if ((defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112L) || (defined(_XOPEN_SOURCE) || _XOPEN_SOURCE >= 600)) && (!defined(_GNU_SOURCE) || !_GNU_SOURCE)
/* XSI Compliant */
strerror_r(en, buf, 512);
s = buf;
#else
/* GNU-specific which returns const char* */
s = strerror_r(en, buf, 512);
#endif
#elif defined(_MSC_VER) || (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L)
/* for MSVC and other C11 implementations, use strerror_s
* since it's provided by default by the libraries
*/
char buf[512] = {0};
strerror_s(buf, 512, en);
s = buf;
#else
/* fallback, but
* strerror is not guaranteed to be threadsafe due to modifying
* errno itself and some impls not locking a static buffer for it
* ... but it works in 99% of cases, so I don't need the reason to stop
* the train now
*/
s = strerror(en);
#endif
if (fname)
lua_pushfstring(L, "%s: %s", fname, s);
else
lua_pushstring(L, s);
lua_pushnumber(L, (lua_Number)en);
return 3;
}
}
static const char* compat53_f_parser_handler (lua_State *L, void *data, size_t *size) {
struct compat53_f_parser_buffer *p = (struct compat53_f_parser_buffer*)data;
size_t readcount = fread(p->buffer + p->start, sizeof(*p->buffer), sizeof(p->buffer), p->file);
if (ferror(p->file) != 0 || feof(p->file) != 0) {
*size = 0;
return NULL;
}
*size = readcount + p->start;
p->start = 0;
return p->buffer;
}
static int checkmode (lua_State *L, const char *mode, const char *modename, int err) {
if (mode && strchr(mode, modename[0]) == NULL) {
lua_pushfstring(L, "attempt to load a %s chunk (mode is '%s')", modename, mode);
return err;
}
return LUA_OK;
}
COMPAT53_API int luaL_loadfilex (lua_State *L, const char *filename, const char *mode) {
FILE* fp;
int err;
int c;
int status = LUA_OK;
#if defined(_MSC_VER)
err = fopen_s(&fp, filename, "rb");
if (err != 0) {
fclose(fp);
lua_pushfstring(L, "cannot open file '%s'", filename);
return LUA_ERRFILE;
}
#else /* fopen error on Visual C */
fp = fopen(filename, "rb");
if (fp == NULL) {
fclose(fp);
lua_pushfstring(L, "cannot open file '%s'", filename);
return LUA_ERRFILE;
}
#endif /* fopen error on Visual C */
c = fgetc(fp);
if (ferror(fp) != 0) {
/* can't read even a single character */
fclose(fp);
lua_pushfstring(L, "cannot read from file '%s'", filename);
return LUA_ERRFILE;
}
if (c == '\x1b') {
status = checkmode(L, mode, "binary", LUA_ERRFILE);
}
else {
status = checkmode(L, mode, "text", LUA_ERRFILE);
}
if (status != LUA_OK) {
fclose(fp);
return status;
}
struct compat53_f_parser_buffer fbuf;
fbuf.file = fp;
fbuf.start = 1;
status = lua_load(L, &compat53_f_parser_handler, &fbuf, filename);
fclose(fp);
return status;
}
COMPAT53_API int luaL_loadbufferx (lua_State *L, const char *buff, size_t sz, const char *name, const char *mode) {
int status = LUA_OK;
if (buff[0] == '\x1b') {
status = checkmode(L, mode, "binary", LUA_ERRSYNTAX);
}
else {
status = checkmode(L, mode, "text", LUA_ERRSYNTAX);
}
if (status != LUA_OK)
return status;
return luaL_loadbuffer(L, buff, sz, name);
}
#if !defined(l_inspectstat) && \
(defined(unix) || defined(__unix) || defined(__unix__) || \
defined(__TOS_AIX__) || defined(_SYSTYPE_BSD) || \
(defined(__APPLE__) && defined(__MACH__)))
/* some form of unix; check feature macros in unistd.h for details */
# include <unistd.h>
/* check posix version; the relevant include files and macros probably
* were available before 2001, but I'm not sure */
# if defined(_POSIX_VERSION) && _POSIX_VERSION >= 200112L
# include <sys/wait.h>
# define l_inspectstat(stat,what) \
if (WIFEXITED(stat)) { stat = WEXITSTATUS(stat); } \
else if (WIFSIGNALED(stat)) { stat = WTERMSIG(stat); what = "signal"; }
# endif
#endif
/* provide default (no-op) version */
#if !defined(l_inspectstat)
# define l_inspectstat(stat,what) ((void)0)
#endif
COMPAT53_API int luaL_execresult (lua_State *L, int stat) {
const char *what = "exit";
if (stat == -1)
return luaL_fileresult(L, 0, NULL);
else {
l_inspectstat(stat, what);
if (*what == 'e' && stat == 0)
lua_pushboolean(L, 1);
else
lua_pushnil(L);
lua_pushstring(L, what);
lua_pushinteger(L, stat);
return 3;
}
}
COMPAT53_API void luaL_buffinit (lua_State *L, luaL_Buffer_53 *B) {
/* make it crash if used via pointer to a 5.1-style luaL_Buffer */
B->b.p = NULL;
B->b.L = NULL;
B->b.lvl = 0;
/* reuse the buffer from the 5.1-style luaL_Buffer though! */
B->ptr = B->b.buffer;
B->capacity = LUAL_BUFFERSIZE;
B->nelems = 0;
B->L2 = L;
}
COMPAT53_API char *luaL_prepbuffsize (luaL_Buffer_53 *B, size_t s) {
if (B->capacity - B->nelems < s) { /* needs to grow */
char* newptr = NULL;
size_t newcap = B->capacity * 2;
if (newcap - B->nelems < s)
newcap = B->nelems + s;
if (newcap < B->capacity) /* overflow */
luaL_error(B->L2, "buffer too large");
newptr = (char*)lua_newuserdata(B->L2, newcap);
memcpy(newptr, B->ptr, B->nelems);
if (B->ptr != B->b.buffer)
lua_replace(B->L2, -2); /* remove old buffer */
B->ptr = newptr;
B->capacity = newcap;
}
return B->ptr+B->nelems;
}
COMPAT53_API void luaL_addlstring (luaL_Buffer_53 *B, const char *s, size_t l) {
memcpy(luaL_prepbuffsize(B, l), s, l);
luaL_addsize(B, l);
}
COMPAT53_API void luaL_addvalue (luaL_Buffer_53 *B) {
size_t len = 0;
const char *s = lua_tolstring(B->L2, -1, &len);
if (!s)
luaL_error(B->L2, "cannot convert value to string");
if (B->ptr != B->b.buffer)
lua_insert(B->L2, -2); /* userdata buffer must be at stack top */
luaL_addlstring(B, s, len);
lua_remove(B->L2, B->ptr != B->b.buffer ? -2 : -1);
}
void luaL_pushresult (luaL_Buffer_53 *B) {
lua_pushlstring(B->L2, B->ptr, B->nelems);
if (B->ptr != B->b.buffer)
lua_replace(B->L2, -2); /* remove userdata buffer */
}
#endif /* Lua 5.1 */
/* definitions for Lua 5.1 and Lua 5.2 */
#if defined( LUA_VERSION_NUM ) && LUA_VERSION_NUM <= 502
COMPAT53_API int lua_geti (lua_State *L, int index, lua_Integer i) {
index = lua_absindex(L, index);
lua_pushinteger(L, i);
lua_gettable(L, index);
return lua_type(L, -1);
}
COMPAT53_API int lua_isinteger (lua_State *L, int index) {
if (lua_type(L, index) == LUA_TNUMBER) {
lua_Number n = lua_tonumber(L, index);
lua_Integer i = lua_tointeger(L, index);
if (i == n)
return 1;
}
return 0;
}
static void compat53_reverse (lua_State *L, int a, int b) {
for (; a < b; ++a, --b) {
lua_pushvalue(L, a);
lua_pushvalue(L, b);
lua_replace(L, a);
lua_replace(L, b);
}
}
COMPAT53_API void lua_rotate (lua_State *L, int idx, int n) {
int n_elems = 0;
idx = lua_absindex(L, idx);
n_elems = lua_gettop(L)-idx+1;
if (n < 0)
n += n_elems;
if ( n > 0 && n < n_elems) {
luaL_checkstack(L, 2, "not enough stack slots available");
n = n_elems - n;
compat53_reverse(L, idx, idx+n-1);
compat53_reverse(L, idx+n, idx+n_elems-1);
compat53_reverse(L, idx, idx+n_elems-1);
}
}
COMPAT53_API void lua_seti (lua_State *L, int index, lua_Integer i) {
luaL_checkstack(L, 1, "not enough stack slots available");
index = lua_absindex(L, index);
lua_pushinteger(L, i);
lua_insert(L, -2);
lua_settable(L, index);
}
#if !defined(lua_str2number)
# define lua_str2number(s, p) strtod((s), (p))
#endif
COMPAT53_API size_t lua_stringtonumber (lua_State *L, const char *s) {
char* endptr;
lua_Number n = lua_str2number(s, &endptr);
if (endptr != s) {
while (*endptr != '\0' && isspace((unsigned char)*endptr))
++endptr;
if (*endptr == '\0') {
lua_pushnumber(L, n);
return endptr - s + 1;
}
}
return 0;
}
COMPAT53_API const char *luaL_tolstring (lua_State *L, int idx, size_t *len) {
if (!luaL_callmeta(L, idx, "__tostring")) {
int t = lua_type(L, idx), tt = 0;
char const* name = NULL;
switch (t) {
case LUA_TNIL:
lua_pushliteral(L, "nil");
break;
case LUA_TSTRING:
case LUA_TNUMBER:
lua_pushvalue(L, idx);
break;
case LUA_TBOOLEAN:
if (lua_toboolean(L, idx))
lua_pushliteral(L, "true");
else
lua_pushliteral(L, "false");
break;
default:
tt = luaL_getmetafield(L, idx, "__name");
name = (tt == LUA_TSTRING) ? lua_tostring(L, -1) : lua_typename(L, t);
lua_pushfstring(L, "%s: %p", name, lua_topointer(L, idx));
if (tt != LUA_TNIL)
lua_replace(L, -2);
break;
}
} else {
if (!lua_isstring(L, -1))
luaL_error(L, "'__tostring' must return a string");
}
return lua_tolstring(L, -1, len);
}
COMPAT53_API void luaL_requiref (lua_State *L, const char *modname,
lua_CFunction openf, int glb) {
luaL_checkstack(L, 3, "not enough stack slots available");
luaL_getsubtable(L, LUA_REGISTRYINDEX, "_LOADED");
if (lua_getfield(L, -1, modname) == LUA_TNIL) {
lua_pop(L, 1);
lua_pushcfunction(L, openf);
lua_pushstring(L, modname);
lua_call(L, 1, 1);
lua_pushvalue(L, -1);
lua_setfield(L, -3, modname);
}
if (glb) {
lua_pushvalue(L, -1);
lua_setglobal(L, modname);
}
lua_replace(L, -2);
}
#endif /* Lua 5.1 and 5.2 */
#endif /* COMPAT53_C_ */
/*********************************************************************
* This file contains parts of Lua 5.2's and Lua 5.3's source code:
*
* Copyright (C) 1994-2014 Lua.org, PUC-Rio.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*********************************************************************/

408
sol/compatibility/compat-5.3.h Normal file
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@ -0,0 +1,408 @@
#ifndef COMPAT53_H_
#define COMPAT53_H_
#include <stddef.h>
#include <limits.h>
#include <string.h>
#if defined(__cplusplus) && !defined(COMPAT53_LUA_CPP)
extern "C" {
#endif
#include <lua.h>
#include <lauxlib.h>
#if defined(__cplusplus) && !defined(COMPAT53_LUA_CPP)
}
#endif
#if defined(COMPAT53_PREFIX)
/* - change the symbol names of functions to avoid linker conflicts
* - compat-5.3.c needs to be compiled (and linked) separately
*/
# if !defined(COMPAT53_API)
# define COMPAT53_API extern
# endif
# undef COMPAT53_INCLUDE_SOURCE
#else /* COMPAT53_PREFIX */
/* - make all functions static and include the source.
* - compat-5.3.c doesn't need to be compiled (and linked) separately
*/
# define COMPAT53_PREFIX compat53
# undef COMPAT53_API
# if defined(__GNUC__) || defined(__clang__)
# define COMPAT53_API __attribute__((__unused__)) static
# else
# define COMPAT53_API static
# endif
# define COMPAT53_INCLUDE_SOURCE
#endif /* COMPAT53_PREFIX */
#define COMPAT53_CONCAT_HELPER(a, b) a##b
#define COMPAT53_CONCAT(a, b) COMPAT53_CONCAT_HELPER(a, b)
/* declarations for Lua 5.1 */
#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM == 501
/* XXX not implemented:
* lua_arith (new operators)
* lua_upvalueid
* lua_upvaluejoin
* lua_version
* lua_yieldk
*/
#ifndef LUA_OK
# define LUA_OK 0
#endif
#ifndef LUA_OPADD
# define LUA_OPADD 0
#endif
#ifndef LUA_OPSUB
# define LUA_OPSUB 1
#endif
#ifndef LUA_OPMUL
# define LUA_OPMUL 2
#endif
#ifndef LUA_OPDIV
# define LUA_OPDIV 3
#endif
#ifndef LUA_OPMOD
# define LUA_OPMOD 4
#endif
#ifndef LUA_OPPOW
# define LUA_OPPOW 5
#endif
#ifndef LUA_OPUNM
# define LUA_OPUNM 6
#endif
#ifndef LUA_OPEQ
# define LUA_OPEQ 0
#endif
#ifndef LUA_OPLT
# define LUA_OPLT 1
#endif
#ifndef LUA_OPLE
# define LUA_OPLE 2
#endif
/* LuaJIT/Lua 5.1 does not have the updated
* error codes for thread status/function returns (but some patched versions do)
* define it only if it's not found
*/
#if !defined(LUA_ERRGCMM)
/* Use + 2 because in some versions of Lua (Lua 5.1)
* LUA_ERRFILE is defined as (LUA_ERRERR+1)
* so we need to avoid it (LuaJIT might have something at this
* integer value too)
*/
# define LUA_ERRGCMM (LUA_ERRERR + 2)
#endif /* LUA_ERRGCMM define */
typedef size_t lua_Unsigned;
typedef struct luaL_Buffer_53 {
luaL_Buffer b; /* make incorrect code crash! */
char *ptr;
size_t nelems;
size_t capacity;
lua_State *L2;
} luaL_Buffer_53;
#define luaL_Buffer luaL_Buffer_53
#define lua_absindex COMPAT53_CONCAT(COMPAT53_PREFIX, _absindex)
COMPAT53_API int lua_absindex (lua_State *L, int i);
#define lua_arith COMPAT53_CONCAT(COMPAT53_PREFIX, _arith)
COMPAT53_API void lua_arith (lua_State *L, int op);
#define lua_compare COMPAT53_CONCAT(COMPAT53_PREFIX, _compare)
COMPAT53_API int lua_compare (lua_State *L, int idx1, int idx2, int op);
#define lua_copy COMPAT53_CONCAT(COMPAT53_PREFIX, _copy)
COMPAT53_API void lua_copy (lua_State *L, int from, int to);
#define lua_getuservalue(L, i) \
(lua_getfenv((L), (i)), lua_type((L), -1))
#define lua_setuservalue(L, i) \
(luaL_checktype((L), -1, LUA_TTABLE), lua_setfenv((L), (i)))
#define lua_len COMPAT53_CONCAT(COMPAT53_PREFIX, _len)
COMPAT53_API void lua_len (lua_State *L, int i);
#define lua_pushstring(L, s) \
(lua_pushstring((L), (s)), lua_tostring((L), -1))
#define lua_pushlstring(L, s, len) \
((((len) == 0) ? lua_pushlstring((L), "", 0) : lua_pushlstring((L), (s), (len))), lua_tostring((L), -1))
#ifndef luaL_newlibtable
# define luaL_newlibtable(L, l) \
(lua_createtable((L), 0, sizeof((l))/sizeof(*(l))-1))
#endif
#ifndef luaL_newlib
# define luaL_newlib(L, l) \
(luaL_newlibtable((L), (l)), luaL_register((L), NULL, (l)))
#endif
#define lua_pushglobaltable(L) \
lua_pushvalue((L), LUA_GLOBALSINDEX)
#define lua_rawgetp COMPAT53_CONCAT(COMPAT53_PREFIX, _rawgetp)
COMPAT53_API int lua_rawgetp (lua_State *L, int i, const void *p);
#define lua_rawsetp COMPAT53_CONCAT(COMPAT53_PREFIX, _rawsetp)
COMPAT53_API void lua_rawsetp(lua_State *L, int i, const void *p);
#define lua_rawlen(L, i) lua_objlen((L), (i))
#define lua_tointegerx COMPAT53_CONCAT(COMPAT53_PREFIX, _tointegerx)
COMPAT53_API lua_Integer lua_tointegerx (lua_State *L, int i, int *isnum);
#define lua_tonumberx COMPAT53_CONCAT(COMPAT53_PREFIX, _tonumberx)
COMPAT53_API lua_Number lua_tonumberx (lua_State *L, int i, int *isnum);
#define luaL_checkversion COMPAT53_CONCAT(COMPAT53_PREFIX, L_checkversion)
COMPAT53_API void luaL_checkversion (lua_State *L);
#define luaL_loadfilex COMPAT53_CONCAT(COMPAT53_PREFIX, L_loadfilex)
COMPAT53_API void luaL_loadfilex (lua_State *L);
#define luaL_loadbufferx COMPAT53_CONCAT(COMPAT53_PREFIX, L_loadbufferx)
COMPAT53_API void luaL_loadbufferx (lua_State *L);
#define luaL_checkstack COMPAT53_CONCAT(COMPAT53_PREFIX, L_checkstack_53)
COMPAT53_API void luaL_checkstack (lua_State *L, int sp, const char *msg);
#define luaL_getsubtable COMPAT53_CONCAT(COMPAT53_PREFIX, L_getsubtable)
COMPAT53_API int luaL_getsubtable (lua_State* L, int i, const char *name);
#define luaL_len COMPAT53_CONCAT(COMPAT53_PREFIX, L_len)
COMPAT53_API lua_Integer luaL_len (lua_State *L, int i);
#define luaL_setfuncs COMPAT53_CONCAT(COMPAT53_PREFIX, L_setfuncs)
COMPAT53_API void luaL_setfuncs (lua_State *L, const luaL_Reg *l, int nup);
#define luaL_setmetatable COMPAT53_CONCAT(COMPAT53_PREFIX, L_setmetatable)
COMPAT53_API void luaL_setmetatable (lua_State *L, const char *tname);
#define luaL_testudata COMPAT53_CONCAT(COMPAT53_PREFIX, L_testudata)
COMPAT53_API void *luaL_testudata (lua_State *L, int i, const char *tname);
#define luaL_traceback COMPAT53_CONCAT(COMPAT53_PREFIX, L_traceback)
COMPAT53_API void luaL_traceback (lua_State *L, lua_State *L1, const char *msg, int level);
#define luaL_fileresult COMPAT53_CONCAT(COMPAT53_PREFIX, L_fileresult)
COMPAT53_API int luaL_fileresult (lua_State *L, int stat, const char *fname);
#define luaL_execresult COMPAT53_CONCAT(COMPAT53_PREFIX, L_execresult)
COMPAT53_API int luaL_execresult (lua_State *L, int stat);
#define lua_callk(L, na, nr, ctx, cont) \
((void)(ctx), (void)(cont), lua_call((L), (na), (nr)))
#define lua_pcallk(L, na, nr, err, ctx, cont) \
((void)(ctx), (void)(cont), lua_pcall((L), (na), (nr), (err)))
#define lua_resume(L, from, nargs) \
((void)(from), lua_resume((L), (nargs)))
#define luaL_buffinit COMPAT53_CONCAT(COMPAT53_PREFIX, _buffinit_53)
COMPAT53_API void luaL_buffinit (lua_State *L, luaL_Buffer_53 *B);
#define luaL_prepbuffsize COMPAT53_CONCAT(COMPAT53_PREFIX, _prepbufsize_53)
COMPAT53_API char *luaL_prepbuffsize (luaL_Buffer_53 *B, size_t s);
#define luaL_addlstring COMPAT53_CONCAT(COMPAT53_PREFIX, _addlstring_53)
COMPAT53_API void luaL_addlstring (luaL_Buffer_53 *B, const char *s, size_t l);
#define luaL_addvalue COMPAT53_CONCAT(COMPAT53_PREFIX, _addvalue_53)
COMPAT53_API void luaL_addvalue (luaL_Buffer_53 *B);
#define luaL_pushresult COMPAT53_CONCAT(COMPAT53_PREFIX, _pushresult_53)
COMPAT53_API void luaL_pushresult (luaL_Buffer_53 *B);
#undef luaL_buffinitsize
#define luaL_buffinitsize(L, B, s) \
(luaL_buffinit((L), (B)), luaL_prepbuffsize((B), (s)))
#undef luaL_prepbuffer
#define luaL_prepbuffer(B) \
luaL_prepbuffsize((B), LUAL_BUFFERSIZE)
#undef luaL_addchar
#define luaL_addchar(B, c) \
((void)((B)->nelems < (B)->capacity || luaL_prepbuffsize((B), 1)), \
((B)->ptr[(B)->nelems++] = (c)))
#undef luaL_addsize
#define luaL_addsize(B, s) \
((B)->nelems += (s))
#undef luaL_addstring
#define luaL_addstring(B, s) \
luaL_addlstring((B), (s), strlen((s)))
#undef luaL_pushresultsize
#define luaL_pushresultsize(B, s) \
(luaL_addsize((B), (s)), luaL_pushresult((B)))
#if defined(LUA_COMPAT_APIINTCASTS)
#define lua_pushunsigned(L, n) \
lua_pushinteger((L), (lua_Integer)(n))
#define lua_tounsignedx(L, i, is) \
((lua_Unsigned)lua_tointegerx((L), (i), (is)))
#define lua_tounsigned(L, i) \
lua_tounsignedx((L), (i), NULL)
#define luaL_checkunsigned(L, a) \
((lua_Unsigned)luaL_checkinteger((L), (a)))
#define luaL_optunsigned(L, a, d) \
((lua_Unsigned)luaL_optinteger((L), (a), (lua_Integer)(d)))
#endif
#endif /* Lua 5.1 only */
/* declarations for Lua 5.1 and 5.2 */
#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM <= 502
typedef int lua_KContext;
typedef int (*lua_KFunction)(lua_State *L, int status, lua_KContext ctx);
#define lua_dump(L, w, d, s) \
((void)(s), lua_dump((L), (w), (d)))
#define lua_getfield(L, i, k) \
(lua_getfield((L), (i), (k)), lua_type((L), -1))
#define lua_gettable(L, i) \
(lua_gettable((L), (i)), lua_type((L), -1))
#define lua_geti COMPAT53_CONCAT(COMPAT53_PREFIX, _geti)
COMPAT53_API int lua_geti (lua_State *L, int index, lua_Integer i);
#define lua_isinteger COMPAT53_CONCAT(COMPAT53_PREFIX, _isinteger)
COMPAT53_API int lua_isinteger (lua_State *L, int index);
#define lua_numbertointeger(n, p) \
((*(p) = (lua_Integer)(n)), 1)
#define lua_rawget(L, i) \
(lua_rawget((L), (i)), lua_type((L), -1))
#define lua_rawgeti(L, i, n) \
(lua_rawgeti((L), (i), (n)), lua_type((L), -1))
#define lua_rotate COMPAT53_CONCAT(COMPAT53_PREFIX, _rotate)
COMPAT53_API void lua_rotate (lua_State *L, int idx, int n);
#define lua_seti COMPAT53_CONCAT(COMPAT53_PREFIX, _seti)
COMPAT53_API void lua_seti (lua_State *L, int index, lua_Integer i);
#define lua_stringtonumber COMPAT53_CONCAT(COMPAT53_PREFIX, _stringtonumber)
COMPAT53_API size_t lua_stringtonumber (lua_State *L, const char *s);
#define luaL_tolstring COMPAT53_CONCAT(COMPAT53_PREFIX, L_tolstring)
COMPAT53_API const char *luaL_tolstring (lua_State *L, int idx, size_t *len);
#define luaL_getmetafield(L, o, e) \
(luaL_getmetafield((L), (o), (e)) ? lua_type((L), -1) : LUA_TNIL)
#define luaL_newmetatable(L, tn) \
(luaL_newmetatable((L), (tn)) ? (lua_pushstring((L), (tn)), lua_setfield((L), -2, "__name"), 1) : 0)
#define luaL_requiref COMPAT53_CONCAT(COMPAT53_PREFIX, L_requiref_53)
COMPAT53_API void luaL_requiref (lua_State *L, const char *modname,
lua_CFunction openf, int glb );
#endif /* Lua 5.1 and Lua 5.2 */
/* declarations for Lua 5.2 */
#if defined(LUA_VERSION_NUM) && LUA_VERSION_NUM == 502
/* XXX not implemented:
* lua_isyieldable
* lua_getextraspace
* lua_arith (new operators)
* lua_pushfstring (new formats)
*/
#define lua_getglobal(L, n) \
(lua_getglobal((L), (n)), lua_type((L), -1))
#define lua_getuservalue(L, i) \
(lua_getuservalue((L), (i)), lua_type((L), -1))
#define lua_pushlstring(L, s, len) \
(((len) == 0) ? lua_pushlstring((L), "", 0) : lua_pushlstring((L), (s), (len)))
#define lua_rawgetp(L, i, p) \
(lua_rawgetp((L), (i), (p)), lua_type((L), -1))
#define LUA_KFUNCTION(_name) \
static int (_name)(lua_State *L, int status, lua_KContext ctx); \
static int (_name ## _52)(lua_State *L) { \
lua_KContext ctx; \
int status = lua_getctx(L, &ctx); \
return (_name)(L, status, ctx); \
} \
static int (_name)(lua_State *L, int status, lua_KContext ctx)
#define lua_pcallk(L, na, nr, err, ctx, cont) \
lua_pcallk((L), (na), (nr), (err), (ctx), cont ## _52)
#define lua_callk(L, na, nr, ctx, cont) \
lua_callk((L), (na), (nr), (ctx), cont ## _52)
#define lua_yieldk(L, nr, ctx, cont) \
lua_yieldk((L), (nr), (ctx), cont ## _52)
#ifdef lua_call
# undef lua_call
# define lua_call(L, na, nr) \
(lua_callk)((L), (na), (nr), 0, NULL)
#endif
#ifdef lua_pcall
# undef lua_pcall
# define lua_pcall(L, na, nr, err) \
(lua_pcallk)((L), (na), (nr), (err), 0, NULL)
#endif
#ifdef lua_yield
# undef lua_yield
# define lua_yield(L, nr) \
(lua_yieldk)((L), (nr), 0, NULL)
#endif
#endif /* Lua 5.2 only */
/* other Lua versions */
#if !defined(LUA_VERSION_NUM) || LUA_VERSION_NUM < 501 || LUA_VERSION_NUM > 503
# error "unsupported Lua version (i.e. not Lua 5.1, 5.2, or 5.3)"
#endif /* other Lua versions except 5.1, 5.2, and 5.3 */
/* helper macro for defining continuation functions (for every version
* *except* Lua 5.2) */
#ifndef LUA_KFUNCTION
#define LUA_KFUNCTION(_name) \
static int (_name)(lua_State *L, int status, lua_KContext ctx)
#endif
#if defined(COMPAT53_INCLUDE_SOURCE)
# include "compat-5.3.c"
#endif
#endif /* COMPAT53_H_ */

4
sol/coroutine.hpp
View File

@ -33,11 +33,7 @@ namespace sol {
call_status stats = call_status::yielded;
void luacall(std::ptrdiff_t argcount, std::ptrdiff_t) {
#if SOL_LUA_VERSION < 502
stats = static_cast<call_status>(lua_resume(lua_state(), static_cast<int>(argcount)));
#else
stats = static_cast<call_status>(lua_resume(lua_state(), nullptr, static_cast<int>(argcount)));
#endif // Lua 5.1 compat
}
template<std::size_t... I, typename... Ret>