diff options
Diffstat (limited to 'generic/tclLiteral.c')
| -rw-r--r-- | generic/tclLiteral.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/generic/tclLiteral.c b/generic/tclLiteral.c index 1141155..f180d11 100644 --- a/generic/tclLiteral.c +++ b/generic/tclLiteral.c @@ -12,7 +12,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclLiteral.c,v 1.3 1999/04/22 22:57:07 stanton Exp $ + * RCS: @(#) $Id: tclLiteral.c,v 1.4 1999/04/28 01:56:39 stanton Exp $ */ #include "tclInt.h" @@ -407,19 +407,23 @@ TclHideLiteral(interp, envPtr, index) LiteralTable *localTablePtr = &(envPtr->localLitTable); int localHash, length; char *bytes; + Tcl_Obj *newObjPtr; lPtr = &(envPtr->literalArrayPtr[index]); /* - * We need to bump the object refcount to avoid having the object freed - * when we remove the last global reference. + * To avoid unwanted sharing we need to copy the object and remove it from + * the local and global literal tables. It still has a slot in the literal + * array so it can be referred to by byte codes, but it will not be matched + * by literal searches. */ - Tcl_IncrRefCount(lPtr->objPtr); - + newObjPtr = Tcl_DuplicateObj(lPtr->objPtr); + Tcl_IncrRefCount(newObjPtr); TclReleaseLiteral(interp, lPtr->objPtr); + lPtr->objPtr = newObjPtr; - bytes = Tcl_GetStringFromObj(lPtr->objPtr, &length); + bytes = Tcl_GetStringFromObj(newObjPtr, &length); localHash = (HashString(bytes, length) & localTablePtr->mask); nextPtrPtr = &localTablePtr->buckets[localHash]; |