diff options
Diffstat (limited to 'generic')
| -rw-r--r-- | generic/tclParse.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/generic/tclParse.c b/generic/tclParse.c index 6723d39..c5cb1d1 100644 --- a/generic/tclParse.c +++ b/generic/tclParse.c @@ -13,6 +13,7 @@ * this file, and for a DISCLAIMER OF ALL WARRANTIES. */ +#include <assert.h> #include "tclInt.h" #include "tclParse.h" @@ -1578,16 +1579,13 @@ Tcl_ParseVar( * At this point we should have an object containing the value of a * variable. Just return the string from that object. * - * This should have returned the object for the user to manage, but - * instead we have some weak reference to the string value in the object, - * which is why we make sure the object exists after resetting the result. - * This isn't ideal, but it's the best we can do with the current - * documented interface. -- hobbs + * Since TclSubstTokens above returned TCL_OK, we know that objPtr + * is shared. It is in both the interp result and the value of the + * variable. Returning the string relies on that to be true. */ - if (!Tcl_IsShared(objPtr)) { - Tcl_IncrRefCount(objPtr); - } + assert( Tcl_IsShared(objPtr) ); + Tcl_ResetResult(interp); return TclGetString(objPtr); } |