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- /*
- * NodeMCU extensions to Lua 5.3 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) ((STORE_ATTR char *) k)
- #define LOCK_IN_SECTION(s) __attribute__((used,unused,section(".lua_" #s)))
- #endif
- /* Macros used to declare rotable entries */
- #define LRO_FUNCVAL(v) {{.f = v}, LUA_TLCF}
- #define LRO_LUDATA(v) {{.p = (void *) v}, LUA_TLIGHTUSERDATA}
- #define LRO_NILVAL {{.p = NULL}, LUA_TNIL}
- #define LRO_NUMVAL(v) {{.i = v}, LUA_TNUMINT}
- #define LRO_INTVAL(v) LRO_NUMVAL(v)
- #define LRO_FLOATVAL(v) {{.n = v}, LUA_TNUMFLT}
- #define LRO_ROVAL(v) {{.gc = cast(GCObject *, &(v ## _ROTable))}, LUA_TTBLROF}
- #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) {LRO_STRKEY(#n), LRO_FLOATVAL(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 const ROTable_entry rt ## _entries[] = {
- #define LROT_ENTRIES_IN_SECTION(rt,s) \
- static const ROTable_entry LOCK_IN_SECTION(s) rt ## _entries[] = {
- #define LROT_END(rt,mt,f) {NULL, LRO_NILVAL} }; \
- const ROTable rt ## _ROTable = { \
- (GCObject *)1,LUA_TTBLROF, LROT_MARKED, \
- cast(lu_byte, ~(f)), (sizeof(rt ## _entries)/sizeof(ROTable_entry)) - 1, \
- cast(Table *, mt), 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
- #include "lstate.h"
- #include "lzio.h"
- LUAI_FUNC int luaN_init (lua_State *L);
- LUAI_FUNC void *luaN_writeFlash (void *data, const void *rec, size_t n);
- LUAI_FUNC void luaN_flushFlash (void *);
- LUAI_FUNC void luaN_setFlash (void *, unsigned int o);
- #endif
- #endif
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