diff options
Diffstat (limited to 'generic/tclBasic.c')
| -rw-r--r-- | generic/tclBasic.c | 29 |
1 files changed, 25 insertions, 4 deletions
diff --git a/generic/tclBasic.c b/generic/tclBasic.c index 577c0ee..799611f 100644 --- a/generic/tclBasic.c +++ b/generic/tclBasic.c @@ -11,7 +11,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * SCCS: %Z% $Id: tclBasic.c,v 1.7 1998/07/06 22:37:35 welch Exp $ + * SCCS: %Z% $Id: tclBasic.c,v 1.8 1998/07/15 11:09:11 escoffon Exp $ */ #include "tclInt.h" @@ -2508,6 +2508,9 @@ Tcl_EvalObj(interp, objPtr) * necessary, convert the object to be a ByteCode object and compile it. * Also, if the code was compiled in/for a different interpreter, * we recompile it. + * + * Precompiled objects, however, are immutable and therefore + * they are not recompiled, even if the epoch has changed. */ if (objPtr->typePtr == &tclByteCodeType) { @@ -2515,7 +2518,14 @@ Tcl_EvalObj(interp, objPtr) if ((codePtr->iPtr != iPtr) || (codePtr->compileEpoch != iPtr->compileEpoch)) { - tclByteCodeType.freeIntRepProc(objPtr); + if (codePtr->flags & TCL_BYTECODE_PRECOMPILED) { + if (codePtr->iPtr != iPtr) { + panic("Tcl_EvalObj: compiled script jumped interps"); + } + codePtr->compileEpoch = iPtr->compileEpoch; + } else { + tclByteCodeType.freeIntRepProc(objPtr); + } } } if (objPtr->typePtr != &tclByteCodeType) { @@ -3432,6 +3442,10 @@ Tcl_ExprObj(interp, objPtr, resultPtrPtr) * necessary, convert the object to be a ByteCode object and compile it. * Also, if the code was compiled in/for a different interpreter, we * recompile it. + * + * Precompiled expressions, however, are immutable and therefore + * they are not recompiled, even if the epoch has changed. + * * THIS FAILS IF THE OBJECT'S STRING REP HAS A NULL BYTE. */ @@ -3439,8 +3453,15 @@ Tcl_ExprObj(interp, objPtr, resultPtrPtr) codePtr = (ByteCode *) objPtr->internalRep.otherValuePtr; if ((codePtr->iPtr != iPtr) || (codePtr->compileEpoch != iPtr->compileEpoch)) { - tclByteCodeType.freeIntRepProc(objPtr); - objPtr->typePtr = (Tcl_ObjType *) NULL; + if (codePtr->flags & TCL_BYTECODE_PRECOMPILED) { + if (codePtr->iPtr != iPtr) { + panic("Tcl_ExprObj: compiled expression jumped interps"); + } + codePtr->compileEpoch = iPtr->compileEpoch; + } else { + tclByteCodeType.freeIntRepProc(objPtr); + objPtr->typePtr = (Tcl_ObjType *) NULL; + } } } if (objPtr->typePtr != &tclByteCodeType) { |