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correct error message for conversion errors from float to int

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This commit is contained in:
Roberto Ierusalimschy 2013-05-06 14:21:59 -03:00
parent 2b1c2c61b0
commit f2043b7a58
3 changed files with 26 additions and 12 deletions
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30
ldebug.c
View File

@ -1,5 +1,5 @@
/*
** $Id: ldebug.c,v 2.93 2013/04/26 16:03:50 roberto Exp roberto $
** $Id: ldebug.c,v 2.94 2013/04/29 16:58:10 roberto Exp roberto $
** Debug Interface
** See Copyright Notice in lua.h
*/
@ -498,10 +498,9 @@ static const char *getupvalname (CallInfo *ci, const TValue *o,
}
l_noret luaG_typeerror (lua_State *L, const TValue *o, const char *op) {
static const char *varinfo (lua_State *L, const TValue *o) {
const char *name;
CallInfo *ci = L->ci;
const char *name = NULL;
const char *t = objtypename(o);
const char *kind = NULL;
if (isLua(ci)) {
kind = getupvalname(ci, o, &name); /* check whether 'o' is an upvalue */
@ -509,17 +508,19 @@ l_noret luaG_typeerror (lua_State *L, const TValue *o, const char *op) {
kind = getobjname(ci_func(ci)->p, currentpc(ci),
cast_int(o - ci->u.l.base), &name);
}
if (kind)
luaG_runerror(L, "attempt to %s %s " LUA_QS " (a %s value)",
op, kind, name, t);
else
luaG_runerror(L, "attempt to %s a %s value", op, t);
return (kind) ? luaO_pushfstring(L, " (%s " LUA_QS ")", kind, name) : "";
}
l_noret luaG_typeerror (lua_State *L, const TValue *o, const char *op) {
const char *t = objtypename(o);
luaG_runerror(L, "attempt to %s a %s value%s", op, t, varinfo(L, o));
}
l_noret luaG_concaterror (lua_State *L, const TValue *p1, const TValue *p2) {
if (ttisstring(p1) || ttisnumber(p1)) p1 = p2;
lua_assert(!ttisstring(p1) && !ttisnumber(p2));
lua_assert(!ttisstring(p1) && !ttisnumber(p1));
luaG_typeerror(L, p1, "concatenate");
}
@ -532,6 +533,15 @@ l_noret luaG_aritherror (lua_State *L, const TValue *p1, const TValue *p2) {
}
l_noret luaG_tointerror (lua_State *L, const TValue *p1, const TValue *p2) {
lua_Integer temp;
if (!tointeger(p1, &temp))
p2 = p1;
luaG_runerror(L, "attempt to convert an out of range float%s to an integer",
varinfo(L, p2));
}
l_noret luaG_ordererror (lua_State *L, const TValue *p1, const TValue *p2) {
const char *t1 = objtypename(p1);
const char *t2 = objtypename(p2);

4
ldebug.h
View File

@ -1,5 +1,5 @@
/*
** $Id: ldebug.h,v 2.8 2013/04/25 15:59:42 roberto Exp roberto $
** $Id: ldebug.h,v 2.9 2013/04/29 16:58:10 roberto Exp roberto $
** Auxiliary functions from Debug Interface module
** See Copyright Notice in lua.h
*/
@ -27,6 +27,8 @@ LUAI_FUNC l_noret luaG_concaterror (lua_State *L, const TValue *p1,
const TValue *p2);
LUAI_FUNC l_noret luaG_aritherror (lua_State *L, const TValue *p1,
const TValue *p2);
LUAI_FUNC l_noret luaG_tointerror (lua_State *L, const TValue *p1,
const TValue *p2);
LUAI_FUNC l_noret luaG_ordererror (lua_State *L, const TValue *p1,
const TValue *p2);
LUAI_FUNC l_noret luaG_runerror (lua_State *L, const char *fmt, ...);

4
ltm.c
View File

@ -1,5 +1,5 @@
/*
** $Id: ltm.c,v 2.18 2013/04/26 13:07:53 roberto Exp roberto $
** $Id: ltm.c,v 2.19 2013/04/29 16:56:50 roberto Exp roberto $
** Tag methods
** See Copyright Notice in lua.h
*/
@ -112,6 +112,8 @@ void luaT_trybinTM (lua_State *L, const TValue *p1, const TValue *p2,
if (!luaT_callbinTM(L, p1, p2, res, event)) {
if (event == TM_CONCAT)
luaG_concaterror(L, p1, p2);
else if (event == TM_IDIV && ttisnumber(p1) && ttisnumber(p2))
luaG_tointerror(L, p1, p2);
else
luaG_aritherror(L, p1, p2);
}