aboutsummaryrefslogtreecommitdiff
path: root/lvm.c
diff options
context:
space:
mode:
authorRoberto Ierusalimschy <roberto@inf.puc-rio.br>2017-11-23 17:18:10 -0200
committerRoberto Ierusalimschy <roberto@inf.puc-rio.br>2017-11-23 17:18:10 -0200
commit73abfde2ef16223b12cf04800f6e53bfc68ad356 (patch)
treec22c497cfd37ab9153e20ab32730bf8a0a4a54ab /lvm.c
parent194a4f9710130cdb90df9f4094d81813bdb8ad6b (diff)
downloadlua-73abfde2ef16223b12cf04800f6e53bfc68ad356.tar.gz
lua-73abfde2ef16223b12cf04800f6e53bfc68ad356.tar.bz2
lua-73abfde2ef16223b12cf04800f6e53bfc68ad356.zip
small simplifications around 'luaT_callorderTM'
Diffstat (limited to 'lvm.c')
-rw-r--r--lvm.c23
1 files changed, 6 insertions, 17 deletions
diff --git a/lvm.c b/lvm.c
index ca65c798..5d9440a6 100644
--- a/lvm.c
+++ b/lvm.c
@@ -1,8 +1,8 @@
1/* 1/*
2<<<<<<< lvm.c 2<<<<<<< lvm.c
3** $Id: lvm.c,v 2.313 2017/11/21 14:17:35 roberto Exp roberto $ 3** $Id: lvm.c,v 2.316 2017/11/23 16:41:16 roberto Exp roberto $
4======= 4=======
5** $Id: lvm.c,v 2.315 2017/11/22 19:15:44 roberto Exp $ 5** $Id: lvm.c,v 2.316 2017/11/23 16:41:16 roberto Exp roberto $
6>>>>>>> 2.315 6>>>>>>> 2.315
7** Lua virtual machine 7** Lua virtual machine
8** See Copyright Notice in lua.h 8** See Copyright Notice in lua.h
@@ -378,13 +378,11 @@ static int LEnum (const TValue *l, const TValue *r) {
378** return 'l < r' for non-numbers. 378** return 'l < r' for non-numbers.
379*/ 379*/
380static int lessthanothers (lua_State *L, const TValue *l, const TValue *r) { 380static int lessthanothers (lua_State *L, const TValue *l, const TValue *r) {
381 int res;
382 lua_assert(!ttisnumber(l) || !ttisnumber(r)); 381 lua_assert(!ttisnumber(l) || !ttisnumber(r));
383 if (ttisstring(l) && ttisstring(r)) /* both are strings? */ 382 if (ttisstring(l) && ttisstring(r)) /* both are strings? */
384 return l_strcmp(tsvalue(l), tsvalue(r)) < 0; 383 return l_strcmp(tsvalue(l), tsvalue(r)) < 0;
385 else if ((res = luaT_callorderTM(L, l, r, TM_LT)) < 0) /* no metamethod? */ 384 else
386 luaG_ordererror(L, l, r); /* error */ 385 return luaT_callorderTM(L, l, r, TM_LT);
387 return res;
388} 386}
389 387
390 388
@@ -407,20 +405,11 @@ int luaV_lessthan (lua_State *L, const TValue *l, const TValue *r) {
407** keeps that information. 405** keeps that information.
408*/ 406*/
409static int lessequalothers (lua_State *L, const TValue *l, const TValue *r) { 407static int lessequalothers (lua_State *L, const TValue *l, const TValue *r) {
410 int res;
411 lua_assert(!ttisnumber(l) || !ttisnumber(r)); 408 lua_assert(!ttisnumber(l) || !ttisnumber(r));
412 if (ttisstring(l) && ttisstring(r)) /* both are strings? */ 409 if (ttisstring(l) && ttisstring(r)) /* both are strings? */
413 return l_strcmp(tsvalue(l), tsvalue(r)) <= 0; 410 return l_strcmp(tsvalue(l), tsvalue(r)) <= 0;
414 else if ((res = luaT_callorderTM(L, l, r, TM_LE)) >= 0) /* try 'le' */ 411 else
415 return res; 412 return luaT_callorderTM(L, l, r, TM_LE);
416 else { /* try 'lt': */
417 L->ci->callstatus |= CIST_LEQ; /* mark it is doing 'lt' for 'le' */
418 res = luaT_callorderTM(L, r, l, TM_LT);
419 L->ci->callstatus ^= CIST_LEQ; /* clear mark */
420 if (res < 0)
421 luaG_ordererror(L, l, r);
422 return !res; /* result is negated */
423 }
424} 413}
425 414
426 415