nodemcu-firmware/components/lua/lua-5.1/lnodemcu.h

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/*
* NodeMCU extensions to Lua 5.1 for readonly Flash memory support
*/
#ifndef lnodemcu_h
#define lnodemcu_h
#include "lua.h"
#include "lobject.h"
#include "llimits.h"
#include "ltm.h"
#ifdef LUA_USE_HOST
#define LRO_STRKEY(k) k
#define LOCK_IN_SECTION(s)
#else
#define LRO_STRKEY(k) ((__attribute__((aligned(4))) const char *) k)
#define LOCK_IN_SECTION(s) __attribute__((used,unused,section(".lua_" #s)))
#endif
/* Macros used to declare rotable entries */
#define LRO_FUNCVAL(v) {{.p = v}, LUA_TLIGHTFUNCTION}
#define LRO_LUDATA(v) {{.p = cast(void*,v)}, LUA_TLIGHTUSERDATA}
#define LRO_NILVAL {{.p = NULL}, LUA_TNIL}
#define LRO_NUMVAL(v) {{.n = v}, LUA_TNUMBER}
#define LRO_INTVAL(v) LRO_NUMVAL(v)
#define LRO_FLOATVAL(v) LRO_NUMVAL(v)
#define LRO_ROVAL(v) {{.gc = cast(GCObject *, &(v ## _ROTable))}, LUA_TROTABLE}
#define LROT_MARKED 0 //<<<<<<<<<< *** TBD *** >>>>>>>>>>>
#define LROT_FUNCENTRY(n,f) {LRO_STRKEY(#n), LRO_FUNCVAL(f)},
#define LROT_LUDENTRY(n,x) {LRO_STRKEY(#n), LRO_LUDATA(x)},
#define LROT_NUMENTRY(n,x) {LRO_STRKEY(#n), LRO_NUMVAL(x)},
#define LROT_INTENTRY(n,x) LROT_NUMENTRY(n,x)
#define LROT_FLOATENTRY(n,x) LROT_NUMENTRY(n,x)
#define LROT_TABENTRY(n,t) {LRO_STRKEY(#n), LRO_ROVAL(t)},
#define LROT_TABLE(rt) const ROTable rt ## _ROTable
#define LROT_ENTRYREF(rt) (rt ##_entries)
#define LROT_TABLEREF(rt) (&rt ##_ROTable)
#define LROT_BEGIN(rt,mt,f) LROT_TABLE(rt); \
static ROTable_entry rt ## _entries[] = {
#define LROT_ENTRIES_IN_SECTION(rt,s) \
static ROTable_entry LOCK_IN_SECTION(s) rt ## _entries[] = {
#define LROT_END(rt,mt,f) {NULL, LRO_NILVAL} }; \
const ROTable rt ## _ROTable = { \
.next = (GCObject *)1, .tt = LUA_TROTABLE, .marked = LROT_MARKED, \
.flags = cast(lu_byte, ~(f)), \
.lsizenode = (sizeof(rt ## _entries)/sizeof(ROTable_entry)) - 1, \
.metatable = cast(Table *, mt), \
.entry = cast(ROTable_entry *, rt ## _entries) };
#define LROT_BREAK(rt) };
#define LROT_MASK(m) cast(lu_byte, 1<<TM_ ## m)
/*
* These are statically coded can be any combination of the fast index tags
* listed in ltm.h: EQ, GC, INDEX, LEN, MODE, NEWINDEX or combined by anding
* GC+INDEX is the only common combination used, hence the combinaton macro
*/
#define LROT_MASK_EQ LROT_MASK(EQ)
#define LROT_MASK_GC LROT_MASK(GC)
#define LROT_MASK_INDEX LROT_MASK(INDEX)
#define LROT_MASK_LEN LROT_MASK(LEN)
#define LROT_MASK_MODE LROT_MASK(MODE)
#define LROT_MASK_NEWINDEX LROT_MASK(NEWINDEX)
#define LROT_MASK_GC_INDEX (LROT_MASK_GC | LROT_MASK_INDEX)
#define LUA_MAX_ROTABLE_NAME 32 /* Maximum length of a rotable name and of a string key*/
#ifdef LUA_CORE
#endif
#endif