Fix 'f' and 'L' options for debug.getinfo() and lua_getinfo().

This commit is contained in:
Mike Pall
2012-09-20 15:19:48 +02:00
parent 2d3c1967c7
commit 965694b0af
2 changed files with 60 additions and 47 deletions

View File

@@ -425,7 +425,7 @@ LUA_API const char *lua_setlocal(lua_State *L, const lua_Debug *ar, int n)
LUA_API int lua_getinfo(lua_State *L, const char *what, lua_Debug *ar)
{
int status = 1;
int opt_f = 0, opt_L = 0;
TValue *frame = NULL;
TValue *nextframe = NULL;
GCfunc *fn;
@@ -478,35 +478,41 @@ LUA_API int lua_getinfo(lua_State *L, const char *what, lua_Debug *ar)
ar->name = NULL;
}
} else if (*what == 'f') {
setfuncV(L, L->top, fn);
incr_top(L);
opt_f = 1;
} else if (*what == 'L') {
if (isluafunc(fn)) {
GCtab *t = lj_tab_new(L, 0, 0);
GCproto *pt = funcproto(fn);
const void *lineinfo = proto_lineinfo(pt);
if (lineinfo) {
BCLine first = pt->firstline;
int sz = pt->numline < 256 ? 1 : pt->numline < 65536 ? 2 : 4;
MSize i, szl = pt->sizebc-1;
for (i = 0; i < szl; i++) {
BCLine line = first +
(sz == 1 ? (BCLine)((const uint8_t *)lineinfo)[i] :
sz == 2 ? (BCLine)((const uint16_t *)lineinfo)[i] :
(BCLine)((const uint32_t *)lineinfo)[i]);
setboolV(lj_tab_setint(L, t, line), 1);
}
}
settabV(L, L->top, t);
} else {
setnilV(L->top);
}
incr_top(L);
opt_L = 1;
} else {
status = 0; /* Bad option. */
return 0; /* Bad option. */
}
}
return status;
if (opt_f) {
setfuncV(L, L->top, fn);
incr_top(L);
}
if (opt_L) {
if (isluafunc(fn)) {
GCtab *t = lj_tab_new(L, 0, 0);
GCproto *pt = funcproto(fn);
const void *lineinfo = proto_lineinfo(pt);
if (lineinfo) {
BCLine first = pt->firstline;
int sz = pt->numline < 256 ? 1 : pt->numline < 65536 ? 2 : 4;
MSize i, szl = pt->sizebc-1;
for (i = 0; i < szl; i++) {
BCLine line = first +
(sz == 1 ? (BCLine)((const uint8_t *)lineinfo)[i] :
sz == 2 ? (BCLine)((const uint16_t *)lineinfo)[i] :
(BCLine)((const uint32_t *)lineinfo)[i]);
setboolV(lj_tab_setint(L, t, line), 1);
}
}
settabV(L, L->top, t);
} else {
setnilV(L->top);
}
incr_top(L);
}
return 1; /* Ok. */
}
LUA_API int lua_getstack(lua_State *L, int level, lua_Debug *ar)