update Lua 5.4.

1 files changed, 8 insertions, 10 deletions

diff --git a/src/3rdParty/lua/lobject.h b/src/3rdParty/lua/lobject.h
index 556608e..980e42f 100644
--- a/src/3rdParty/lua/lobject.h
+++ b/src/3rdParty/lua/lobject.h
@@ -386,7 +386,7 @@ typedef struct GCObject {
 typedef struct TString {
   CommonHeader;
   lu_byte extra;  /* reserved words for short strings; "has hash" for longs */
-  lu_byte shrlen;  /* length for short strings */
+  lu_byte shrlen;  /* length for short strings, 0xFF for long strings */
   unsigned int hash;
   union {
     size_t lnglen;  /* length for long strings */
@@ -398,19 +398,17 @@ typedef struct TString {
 
 
 /*
-** Get the actual string (array of bytes) from a 'TString'.
+** Get the actual string (array of bytes) from a 'TString'. (Generic
+** version and specialized versions for long and short strings.)
 */
-#define getstr(ts)  ((ts)->contents)
+#define getstr(ts)      ((ts)->contents)
+#define getlngstr(ts)   check_exp((ts)->shrlen == 0xFF, (ts)->contents)
+#define getshrstr(ts)   check_exp((ts)->shrlen != 0xFF, (ts)->contents)
 
 
-/* get the actual string (array of bytes) from a Lua value */
-#define svalue(o)       getstr(tsvalue(o))
-
 /* get string length from 'TString *s' */
-#define tsslen(s)       ((s)->tt == LUA_VSHRSTR ? (s)->shrlen : (s)->u.lnglen)
-
-/* get string length from 'TValue *o' */
-#define vslen(o)        tsslen(tsvalue(o))
+#define tsslen(s)  \
+        ((s)->shrlen != 0xFF ? (s)->shrlen : (s)->u.lnglen)
 
 /* }================================================================== */