Lua 5.5.0 Release (#2119)

* Lua 5.5 beta

* lua 5.5.0 release
This commit is contained in:
云风
2025-12-23 10:19:09 +08:00
committed by GitHub
parent 28e8087029
commit 406f3a7437
66 changed files with 6125 additions and 3857 deletions

View File

@@ -101,21 +101,23 @@ UpVal *luaF_findupval (lua_State *L, StkId level) {
/*
** Call closing method for object 'obj' with error message 'err'. The
** Call closing method for object 'obj' with error object 'err'. The
** boolean 'yy' controls whether the call is yieldable.
** (This function assumes EXTRA_STACK.)
*/
static void callclosemethod (lua_State *L, TValue *obj, TValue *err, int yy) {
StkId top = L->top.p;
StkId func = top;
const TValue *tm = luaT_gettmbyobj(L, obj, TM_CLOSE);
setobj2s(L, top, tm); /* will call metamethod... */
setobj2s(L, top + 1, obj); /* with 'self' as the 1st argument */
setobj2s(L, top + 2, err); /* and error msg. as 2nd argument */
L->top.p = top + 3; /* add function and arguments */
setobj2s(L, top++, tm); /* will call metamethod... */
setobj2s(L, top++, obj); /* with 'self' as the 1st argument */
if (err != NULL) /* if there was an error... */
setobj2s(L, top++, err); /* then error object will be 2nd argument */
L->top.p = top; /* add function and arguments */
if (yy)
luaD_call(L, top, 0);
luaD_call(L, func, 0);
else
luaD_callnoyield(L, top, 0);
luaD_callnoyield(L, func, 0);
}
@@ -141,26 +143,28 @@ static void checkclosemth (lua_State *L, StkId level) {
** the 'level' of the upvalue being closed, as everything after that
** won't be used again.
*/
static void prepcallclosemth (lua_State *L, StkId level, int status, int yy) {
static void prepcallclosemth (lua_State *L, StkId level, TStatus status,
int yy) {
TValue *uv = s2v(level); /* value being closed */
TValue *errobj;
if (status == CLOSEKTOP)
errobj = &G(L)->nilvalue; /* error object is nil */
else { /* 'luaD_seterrorobj' will set top to level + 2 */
errobj = s2v(level + 1); /* error object goes after 'uv' */
luaD_seterrorobj(L, status, level + 1); /* set error object */
switch (status) {
case LUA_OK:
L->top.p = level + 1; /* call will be at this level */
/* FALLTHROUGH */
case CLOSEKTOP: /* don't need to change top */
errobj = NULL; /* no error object */
break;
default: /* 'luaD_seterrorobj' will set top to level + 2 */
errobj = s2v(level + 1); /* error object goes after 'uv' */
luaD_seterrorobj(L, status, level + 1); /* set error object */
break;
}
callclosemethod(L, uv, errobj, yy);
}
/*
** Maximum value for deltas in 'tbclist', dependent on the type
** of delta. (This macro assumes that an 'L' is in scope where it
** is used.)
*/
#define MAXDELTA \
((256ul << ((sizeof(L->stack.p->tbclist.delta) - 1) * 8)) - 1)
/* Maximum value for deltas in 'tbclist' */
#define MAXDELTA USHRT_MAX
/*
@@ -193,8 +197,7 @@ void luaF_unlinkupval (UpVal *uv) {
*/
void luaF_closeupval (lua_State *L, StkId level) {
UpVal *uv;
StkId upl; /* stack index pointed by 'uv' */
while ((uv = L->openupval) != NULL && (upl = uplevel(uv)) >= level) {
while ((uv = L->openupval) != NULL && uplevel(uv) >= level) {
TValue *slot = &uv->u.value; /* new position for value */
lua_assert(uplevel(uv) < L->top.p);
luaF_unlinkupval(uv); /* remove upvalue from 'openupval' list */
@@ -225,7 +228,7 @@ static void poptbclist (lua_State *L) {
** Close all upvalues and to-be-closed variables up to the given stack
** level. Return restored 'level'.
*/
StkId luaF_close (lua_State *L, StkId level, int status, int yy) {
StkId luaF_close (lua_State *L, StkId level, TStatus status, int yy) {
ptrdiff_t levelrel = savestack(L, level);
luaF_closeupval(L, level); /* first, close the upvalues */
while (L->tbclist.p >= level) { /* traverse tbc's down to that level */
@@ -254,7 +257,7 @@ Proto *luaF_newproto (lua_State *L) {
f->upvalues = NULL;
f->sizeupvalues = 0;
f->numparams = 0;
f->is_vararg = 0;
f->flag = 0;
f->maxstacksize = 0;
f->locvars = NULL;
f->sizelocvars = 0;
@@ -265,14 +268,31 @@ Proto *luaF_newproto (lua_State *L) {
}
lu_mem luaF_protosize (Proto *p) {
lu_mem sz = cast(lu_mem, sizeof(Proto))
+ cast_uint(p->sizep) * sizeof(Proto*)
+ cast_uint(p->sizek) * sizeof(TValue)
+ cast_uint(p->sizelocvars) * sizeof(LocVar)
+ cast_uint(p->sizeupvalues) * sizeof(Upvaldesc);
if (!(p->flag & PF_FIXED)) {
sz += cast_uint(p->sizecode) * sizeof(Instruction);
sz += cast_uint(p->sizelineinfo) * sizeof(lu_byte);
sz += cast_uint(p->sizeabslineinfo) * sizeof(AbsLineInfo);
}
return sz;
}
void luaF_freeproto (lua_State *L, Proto *f) {
luaM_freearray(L, f->code, f->sizecode);
luaM_freearray(L, f->p, f->sizep);
luaM_freearray(L, f->k, f->sizek);
luaM_freearray(L, f->lineinfo, f->sizelineinfo);
luaM_freearray(L, f->abslineinfo, f->sizeabslineinfo);
luaM_freearray(L, f->locvars, f->sizelocvars);
luaM_freearray(L, f->upvalues, f->sizeupvalues);
if (!(f->flag & PF_FIXED)) {
luaM_freearray(L, f->code, cast_sizet(f->sizecode));
luaM_freearray(L, f->lineinfo, cast_sizet(f->sizelineinfo));
luaM_freearray(L, f->abslineinfo, cast_sizet(f->sizeabslineinfo));
}
luaM_freearray(L, f->p, cast_sizet(f->sizep));
luaM_freearray(L, f->k, cast_sizet(f->sizek));
luaM_freearray(L, f->locvars, cast_sizet(f->sizelocvars));
luaM_freearray(L, f->upvalues, cast_sizet(f->sizeupvalues));
luaM_free(L, f);
}