diff options
Diffstat (limited to 'libs/liblua/src/lcode.c')
| -rw-r--r-- | libs/liblua/src/lcode.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/libs/liblua/src/lcode.c b/libs/liblua/src/lcode.c index 6f241c9476..14d41f1a7e 100644 --- a/libs/liblua/src/lcode.c +++ b/libs/liblua/src/lcode.c @@ -753,7 +753,7 @@ void luaK_setoneret (FuncState *fs, expdesc *e) { /* -** Ensure that expression 'e' is not a variable (nor a constant). +** Ensure that expression 'e' is not a variable (nor a <const>). ** (Expression still may have jump lists.) */ void luaK_dischargevars (FuncState *fs, expdesc *e) { @@ -805,8 +805,8 @@ void luaK_dischargevars (FuncState *fs, expdesc *e) { /* -** Ensures expression value is in register 'reg' (and therefore -** 'e' will become a non-relocatable expression). +** Ensure expression value is in register 'reg', making 'e' a +** non-relocatable expression. ** (Expression still may have jump lists.) */ static void discharge2reg (FuncState *fs, expdesc *e, int reg) { @@ -860,7 +860,8 @@ static void discharge2reg (FuncState *fs, expdesc *e, int reg) { /* -** Ensures expression value is in any register. +** Ensure expression value is in a register, making 'e' a +** non-relocatable expression. ** (Expression still may have jump lists.) */ static void discharge2anyreg (FuncState *fs, expdesc *e) { @@ -946,8 +947,11 @@ int luaK_exp2anyreg (FuncState *fs, expdesc *e) { exp2reg(fs, e, e->u.info); /* put final result in it */ return e->u.info; } + /* else expression has jumps and cannot change its register + to hold the jump values, because it is a local variable. + Go through to the default case. */ } - luaK_exp2nextreg(fs, e); /* otherwise, use next available register */ + luaK_exp2nextreg(fs, e); /* default: use next available register */ return e->u.info; } |