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Struct 'transferinfo' moved to "lua_State"

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That reduces the size of "CallInfo". Moreover, bit CIST_HOOKED from
call status is not needed. When in a hook, 'transferinfo' is always
valid, being zero when the hook is not call/return.
This commit is contained in:
Roberto Ierusalimschy
2024-07-30 10:16:19 -03:00
parent f2206b2abe
commit 4c6afbcb01
3 changed files with 16 additions and 24 deletions
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20
lstate.h
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@@ -183,8 +183,6 @@ typedef struct stringtable {
** yield (from the yield until the next resume);
** - field 'nres' is used only while closing tbc variables when
** returning from a function;
** - field 'transferinfo' is used only during call/returnhooks,
** before the function starts or after it ends.
*/
struct CallInfo {
StkIdRel func; /* function index in the stack */
@@ -206,10 +204,6 @@ struct CallInfo {
int funcidx; /* called-function index */
int nyield; /* number of values yielded */
int nres; /* number of values returned */
struct { /* info about transferred values (for call/return hooks) */
int ftransfer; /* offset of first value transferred */
int ntransfer; /* number of values transferred */
} transferinfo;
} u2;
l_uint32 callstatus;
};
@@ -236,15 +230,13 @@ struct CallInfo {
#define CIST_HOOKYIELD (cast(l_uint32, 1) << 14)
/* function "called" a finalizer */
#define CIST_FIN (cast(l_uint32, 1) << 15)
/* 'ci' has transfer information */
#define CIST_TRAN (cast(l_uint32, 1) << 16)
/* function is closing tbc variables */
#define CIST_CLSRET (cast(l_uint32, 1) << 17)
/* Bits 18-20 are used for CIST_RECST (see below) */
#define CIST_RECST 18 /* the offset, not the mask */
#define CIST_CLSRET (cast(l_uint32, 1) << 16)
/* Bits 17-19 are used for CIST_RECST (see below) */
#define CIST_RECST 17 /* the offset, not the mask */
#if defined(LUA_COMPAT_LT_LE)
/* using __lt for __le */
#define CIST_LEQ (cast(l_uint32, 1) << 21)
#define CIST_LEQ (cast(l_uint32, 1) << 20)
#endif
@@ -354,6 +346,10 @@ struct lua_State {
int basehookcount;
int hookcount;
volatile l_signalT hookmask;
struct { /* info about transferred values (for call/return hooks) */
int ftransfer; /* offset of first value transferred */
int ntransfer; /* number of values transferred */
} transferinfo;
};