diff options
Diffstat (limited to 'lcode.c')
-rw-r--r-- | lcode.c | 26 |
1 files changed, 13 insertions, 13 deletions
@@ -1,5 +1,5 @@ | |||
1 | /* | 1 | /* |
2 | ** $Id: lcode.c,v 2.151 2018/01/27 16:56:33 roberto Exp roberto $ | 2 | ** $Id: lcode.c,v 2.152 2018/01/28 15:13:26 roberto Exp roberto $ |
3 | ** Code generator for Lua | 3 | ** Code generator for Lua |
4 | ** See Copyright Notice in lua.h | 4 | ** See Copyright Notice in lua.h |
5 | */ | 5 | */ |
@@ -31,7 +31,7 @@ | |||
31 | 31 | ||
32 | 32 | ||
33 | /* Maximum number of registers in a Lua function (must fit in 8 bits) */ | 33 | /* Maximum number of registers in a Lua function (must fit in 8 bits) */ |
34 | #define MAXREGS 255 | 34 | #define MAXREGS 254 |
35 | 35 | ||
36 | 36 | ||
37 | #define hasjumps(e) ((e)->t != (e)->f) | 37 | #define hasjumps(e) ((e)->t != (e)->f) |
@@ -157,17 +157,17 @@ int luaK_jump (FuncState *fs) { | |||
157 | ** Code a 'return' instruction | 157 | ** Code a 'return' instruction |
158 | */ | 158 | */ |
159 | void luaK_ret (FuncState *fs, int first, int nret) { | 159 | void luaK_ret (FuncState *fs, int first, int nret) { |
160 | switch (nret) { | 160 | OpCode op; |
161 | case 0: | 161 | if (fs->f->is_vararg) |
162 | luaK_codeABC(fs, OP_RETURN0, 0, 0, 0); | 162 | op = OP_RETVARARG; |
163 | break; | 163 | else { |
164 | case 1: | 164 | switch (nret) { |
165 | luaK_codeABC(fs, OP_RETURN1, first, 0, 0); | 165 | case 0: op = OP_RETURN0; break; |
166 | break; | 166 | case 1: op = OP_RETURN1; break; |
167 | default: | 167 | default: op = OP_RETURN; break; |
168 | luaK_codeABC(fs, OP_RETURN, first, nret + 1, 0); | 168 | } |
169 | break; | ||
170 | } | 169 | } |
170 | luaK_codeABC(fs, op, first, nret + 1, fs->f->numparams); | ||
171 | } | 171 | } |
172 | 172 | ||
173 | 173 | ||
@@ -1647,7 +1647,7 @@ void luaK_finish (FuncState *fs) { | |||
1647 | lua_assert(i == 0 || isOT(*(pc - 1)) == isIT(*pc)); | 1647 | lua_assert(i == 0 || isOT(*(pc - 1)) == isIT(*pc)); |
1648 | switch (GET_OPCODE(*pc)) { | 1648 | switch (GET_OPCODE(*pc)) { |
1649 | case OP_RETURN: case OP_RETURN0: case OP_RETURN1: | 1649 | case OP_RETURN: case OP_RETURN0: case OP_RETURN1: |
1650 | case OP_TAILCALL: { | 1650 | case OP_RETVARARG: case OP_TAILCALL: { |
1651 | if (p->sizep > 0) | 1651 | if (p->sizep > 0) |
1652 | SETARG_k(*pc, 1); /* signal that they must close upvalues */ | 1652 | SETARG_k(*pc, 1); /* signal that they must close upvalues */ |
1653 | break; | 1653 | break; |