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author | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2019-12-10 13:50:20 -0300 |
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committer | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2019-12-10 13:50:20 -0300 |
commit | 1e0ad018cef2a8e771787f126ce2150028749411 (patch) | |
tree | b99b86adaa542e7481252b6525743e45d66d1c67 | |
parent | 95735bda46278a4bc0966d8a3c9079dd0072c51e (diff) | |
download | lua-1e0ad018cef2a8e771787f126ce2150028749411.tar.gz lua-1e0ad018cef2a8e771787f126ce2150028749411.tar.bz2 lua-1e0ad018cef2a8e771787f126ce2150028749411.zip |
Comment about LUA_COMPAT_LT_LE moved to proper place
-rw-r--r-- | ltm.c | 9 | ||||
-rw-r--r-- | lvm.c | 9 |
2 files changed, 12 insertions, 6 deletions
@@ -188,6 +188,15 @@ void luaT_trybiniTM (lua_State *L, const TValue *p1, lua_Integer i2, | |||
188 | } | 188 | } |
189 | 189 | ||
190 | 190 | ||
191 | /* | ||
192 | ** Calls an order tag method. | ||
193 | ** For lessequal, LUA_COMPAT_LT_LE keeps compatibility with old | ||
194 | ** behavior: if there is no '__le', try '__lt', based on l <= r iff | ||
195 | ** !(r < l) (assuming a total order). If the metamethod yields during | ||
196 | ** this substitution, the continuation has to know about it (to negate | ||
197 | ** the result of r<l); bit CIST_LEQ in the call status keeps that | ||
198 | ** information. | ||
199 | */ | ||
191 | int luaT_callorderTM (lua_State *L, const TValue *p1, const TValue *p2, | 200 | int luaT_callorderTM (lua_State *L, const TValue *p1, const TValue *p2, |
192 | TMS event) { | 201 | TMS event) { |
193 | if (callbinTM(L, p1, p2, L->top, event)) /* try original event */ | 202 | if (callbinTM(L, p1, p2, L->top, event)) /* try original event */ |
@@ -541,11 +541,6 @@ int luaV_lessthan (lua_State *L, const TValue *l, const TValue *r) { | |||
541 | 541 | ||
542 | /* | 542 | /* |
543 | ** return 'l <= r' for non-numbers. | 543 | ** return 'l <= r' for non-numbers. |
544 | ** If it needs a metamethod and there is no '__le', try '__lt', based | ||
545 | ** on l <= r iff !(r < l) (assuming a total order). If the metamethod | ||
546 | ** yields during this substitution, the continuation has to know about | ||
547 | ** it (to negate the result of r<l); bit CIST_LEQ in the call status | ||
548 | ** keeps that information. | ||
549 | */ | 544 | */ |
550 | static int lessequalothers (lua_State *L, const TValue *l, const TValue *r) { | 545 | static int lessequalothers (lua_State *L, const TValue *l, const TValue *r) { |
551 | lua_assert(!ttisnumber(l) || !ttisnumber(r)); | 546 | lua_assert(!ttisnumber(l) || !ttisnumber(r)); |
@@ -986,7 +981,9 @@ void luaV_finishOp (lua_State *L) { | |||
986 | 981 | ||
987 | 982 | ||
988 | /* | 983 | /* |
989 | ** Order operations with register operands. | 984 | ** Order operations with register operands. 'opf' actually works |
985 | ** for all numbers, but the fast track improves performance for | ||
986 | ** integers. | ||
990 | */ | 987 | */ |
991 | #define op_order(L,opi,opf,other) { \ | 988 | #define op_order(L,opi,opf,other) { \ |
992 | int cond; \ | 989 | int cond; \ |