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author | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2017-07-07 13:34:32 -0300 |
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committer | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2017-07-07 13:34:32 -0300 |
commit | 4dff277255e3785b76b6b52fe2a98592e6cbc834 (patch) | |
tree | e3607d2aab29b6e0dbd46ac1acc81e9c6bf08dd7 /lvm.c | |
parent | 07db10813cb044252c18973688f63b5eac6a90a6 (diff) | |
download | lua-4dff277255e3785b76b6b52fe2a98592e6cbc834.tar.gz lua-4dff277255e3785b76b6b52fe2a98592e6cbc834.tar.bz2 lua-4dff277255e3785b76b6b52fe2a98592e6cbc834.zip |
coercion string->number in arithmetic operations moved to string
library
Diffstat (limited to 'lvm.c')
-rw-r--r-- | lvm.c | 21 |
1 files changed, 10 insertions, 11 deletions
@@ -1,5 +1,5 @@ | |||
1 | /* | 1 | /* |
2 | ** $Id: lvm.c,v 2.288 2017/06/29 15:06:44 roberto Exp roberto $ | 2 | ** $Id: lvm.c,v 2.289 2017/06/29 15:38:41 roberto Exp roberto $ |
3 | ** Lua virtual machine | 3 | ** Lua virtual machine |
4 | ** See Copyright Notice in lua.h | 4 | ** See Copyright Notice in lua.h |
5 | */ | 5 | */ |
@@ -35,7 +35,6 @@ | |||
35 | #define MAXTAGLOOP 2000 | 35 | #define MAXTAGLOOP 2000 |
36 | 36 | ||
37 | 37 | ||
38 | |||
39 | /* | 38 | /* |
40 | ** 'l_intfitsf' checks whether a given integer can be converted to a | 39 | ** 'l_intfitsf' checks whether a given integer can be converted to a |
41 | ** float without rounding. Used in comparisons. Left undefined if | 40 | ** float without rounding. Used in comparisons. Left undefined if |
@@ -997,7 +996,7 @@ void luaV_execute (lua_State *L) { | |||
997 | if (ttisinteger(rb)) { | 996 | if (ttisinteger(rb)) { |
998 | setivalue(s2v(ra), intop(+, ivalue(rb), ic)); | 997 | setivalue(s2v(ra), intop(+, ivalue(rb), ic)); |
999 | } | 998 | } |
1000 | else if (tonumber(rb, &nb)) { | 999 | else if (tonumberns(rb, nb)) { |
1001 | setfltvalue(s2v(ra), luai_numadd(L, nb, cast_num(ic))); | 1000 | setfltvalue(s2v(ra), luai_numadd(L, nb, cast_num(ic))); |
1002 | } | 1001 | } |
1003 | else { | 1002 | else { |
@@ -1019,7 +1018,7 @@ void luaV_execute (lua_State *L) { | |||
1019 | lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc); | 1018 | lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc); |
1020 | setivalue(s2v(ra), intop(+, ib, ic)); | 1019 | setivalue(s2v(ra), intop(+, ib, ic)); |
1021 | } | 1020 | } |
1022 | else if (tonumber(rb, &nb) && tonumber(rc, &nc)) { | 1021 | else if (tonumberns(rb, nb) && tonumberns(rc, nc)) { |
1023 | setfltvalue(s2v(ra), luai_numadd(L, nb, nc)); | 1022 | setfltvalue(s2v(ra), luai_numadd(L, nb, nc)); |
1024 | } | 1023 | } |
1025 | else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_ADD)); } | 1024 | else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_ADD)); } |
@@ -1033,7 +1032,7 @@ void luaV_execute (lua_State *L) { | |||
1033 | lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc); | 1032 | lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc); |
1034 | setivalue(s2v(ra), intop(-, ib, ic)); | 1033 | setivalue(s2v(ra), intop(-, ib, ic)); |
1035 | } | 1034 | } |
1036 | else if (tonumber(rb, &nb) && tonumber(rc, &nc)) { | 1035 | else if (tonumberns(rb, nb) && tonumberns(rc, nc)) { |
1037 | setfltvalue(s2v(ra), luai_numsub(L, nb, nc)); | 1036 | setfltvalue(s2v(ra), luai_numsub(L, nb, nc)); |
1038 | } | 1037 | } |
1039 | else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_SUB)); } | 1038 | else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_SUB)); } |
@@ -1047,7 +1046,7 @@ void luaV_execute (lua_State *L) { | |||
1047 | lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc); | 1046 | lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc); |
1048 | setivalue(s2v(ra), intop(*, ib, ic)); | 1047 | setivalue(s2v(ra), intop(*, ib, ic)); |
1049 | } | 1048 | } |
1050 | else if (tonumber(rb, &nb) && tonumber(rc, &nc)) { | 1049 | else if (tonumberns(rb, nb) && tonumberns(rc, nc)) { |
1051 | setfltvalue(s2v(ra), luai_nummul(L, nb, nc)); | 1050 | setfltvalue(s2v(ra), luai_nummul(L, nb, nc)); |
1052 | } | 1051 | } |
1053 | else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_MUL)); } | 1052 | else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_MUL)); } |
@@ -1057,7 +1056,7 @@ void luaV_execute (lua_State *L) { | |||
1057 | TValue *rb = RKB(i); | 1056 | TValue *rb = RKB(i); |
1058 | TValue *rc = RKC(i); | 1057 | TValue *rc = RKC(i); |
1059 | lua_Number nb; lua_Number nc; | 1058 | lua_Number nb; lua_Number nc; |
1060 | if (tonumber(rb, &nb) && tonumber(rc, &nc)) { | 1059 | if (tonumberns(rb, nb) && tonumberns(rc, nc)) { |
1061 | setfltvalue(s2v(ra), luai_numdiv(L, nb, nc)); | 1060 | setfltvalue(s2v(ra), luai_numdiv(L, nb, nc)); |
1062 | } | 1061 | } |
1063 | else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_DIV)); } | 1062 | else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_DIV)); } |
@@ -1121,7 +1120,7 @@ void luaV_execute (lua_State *L) { | |||
1121 | lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc); | 1120 | lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc); |
1122 | setivalue(s2v(ra), luaV_mod(L, ib, ic)); | 1121 | setivalue(s2v(ra), luaV_mod(L, ib, ic)); |
1123 | } | 1122 | } |
1124 | else if (tonumber(rb, &nb) && tonumber(rc, &nc)) { | 1123 | else if (tonumberns(rb, nb) && tonumberns(rc, nc)) { |
1125 | lua_Number m; | 1124 | lua_Number m; |
1126 | luai_nummod(L, nb, nc, m); | 1125 | luai_nummod(L, nb, nc, m); |
1127 | setfltvalue(s2v(ra), m); | 1126 | setfltvalue(s2v(ra), m); |
@@ -1137,7 +1136,7 @@ void luaV_execute (lua_State *L) { | |||
1137 | lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc); | 1136 | lua_Integer ib = ivalue(rb); lua_Integer ic = ivalue(rc); |
1138 | setivalue(s2v(ra), luaV_div(L, ib, ic)); | 1137 | setivalue(s2v(ra), luaV_div(L, ib, ic)); |
1139 | } | 1138 | } |
1140 | else if (tonumber(rb, &nb) && tonumber(rc, &nc)) { | 1139 | else if (tonumberns(rb, nb) && tonumberns(rc, nc)) { |
1141 | setfltvalue(s2v(ra), luai_numidiv(L, nb, nc)); | 1140 | setfltvalue(s2v(ra), luai_numidiv(L, nb, nc)); |
1142 | } | 1141 | } |
1143 | else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_IDIV)); } | 1142 | else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_IDIV)); } |
@@ -1147,7 +1146,7 @@ void luaV_execute (lua_State *L) { | |||
1147 | TValue *rb = RKB(i); | 1146 | TValue *rb = RKB(i); |
1148 | TValue *rc = RKC(i); | 1147 | TValue *rc = RKC(i); |
1149 | lua_Number nb; lua_Number nc; | 1148 | lua_Number nb; lua_Number nc; |
1150 | if (tonumber(rb, &nb) && tonumber(rc, &nc)) { | 1149 | if (tonumberns(rb, nb) && tonumberns(rc, nc)) { |
1151 | setfltvalue(s2v(ra), luai_numpow(L, nb, nc)); | 1150 | setfltvalue(s2v(ra), luai_numpow(L, nb, nc)); |
1152 | } | 1151 | } |
1153 | else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_POW)); } | 1152 | else { Protect(luaT_trybinTM(L, rb, rc, ra, TM_POW)); } |
@@ -1160,7 +1159,7 @@ void luaV_execute (lua_State *L) { | |||
1160 | lua_Integer ib = ivalue(rb); | 1159 | lua_Integer ib = ivalue(rb); |
1161 | setivalue(s2v(ra), intop(-, 0, ib)); | 1160 | setivalue(s2v(ra), intop(-, 0, ib)); |
1162 | } | 1161 | } |
1163 | else if (tonumber(rb, &nb)) { | 1162 | else if (tonumberns(rb, nb)) { |
1164 | setfltvalue(s2v(ra), luai_numunm(L, nb)); | 1163 | setfltvalue(s2v(ra), luai_numunm(L, nb)); |
1165 | } | 1164 | } |
1166 | else { | 1165 | else { |