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-rw-r--r--generic/tclEnsemble.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/generic/tclEnsemble.c b/generic/tclEnsemble.c
index 9a2d598..f392cad 100644
--- a/generic/tclEnsemble.c
+++ b/generic/tclEnsemble.c
@@ -1914,7 +1914,7 @@ NsEnsembleImplementationCmdNR(
* Hand off to the target command.
*/
- iPtr->evalFlags |= TCL_EVAL_REDIRECT;
+ TclSkipTailcall(interp);
return TclNREvalObjEx(interp, copyPtr, TCL_EVAL_INVOKE, NULL,INT_MIN);
}
@@ -2122,7 +2122,7 @@ EnsembleUnknownCallback(
*/
Tcl_Preserve(ensemblePtr);
- ((Interp *) interp)->evalFlags |= TCL_EVAL_REDIRECT;
+ TclSkipTailcall(interp);
result = Tcl_EvalObjv(interp, paramc, paramv, 0);
if ((result == TCL_OK) && (ensemblePtr->flags & ENSEMBLE_DEAD)) {
if (!Tcl_InterpDeleted(interp)) {
@@ -2196,7 +2196,7 @@ EnsembleUnknownCallback(
}
Tcl_AddErrorInfo(interp, "\n result of "
"ensemble unknown subcommand handler: ");
- Tcl_AddErrorInfo(interp, TclGetString(unknownCmd));
+ Tcl_AppendObjToErrorInfo(interp, unknownCmd);
Tcl_SetErrorCode(interp, "TCL", "ENSEMBLE", "UNKNOWN_RESULT",
NULL);
} else {
@@ -3056,6 +3056,9 @@ CompileToCompiledCommand(
Tcl_Parse synthetic;
Tcl_Token *tokenPtr;
int result, i;
+ int savedNumCmds = envPtr->numCommands;
+ int savedStackDepth = envPtr->currStackDepth;
+ unsigned savedCodeNext = envPtr->codeNext - envPtr->codeStart;
if (cmdPtr->compileProc == NULL) {
return TCL_ERROR;
@@ -3110,6 +3113,17 @@ CompileToCompiledCommand(
result = cmdPtr->compileProc(interp, &synthetic, cmdPtr, envPtr);
/*
+ * If our target fails to compile, revert the number of commands and the
+ * pointer to the place to issue the next instruction. [Bug 3600328]
+ */
+
+ if (result != TCL_OK) {
+ envPtr->numCommands = savedNumCmds;
+ envPtr->currStackDepth = savedStackDepth;
+ envPtr->codeNext = envPtr->codeStart + savedCodeNext;
+ }
+
+ /*
* Clean up if necessary.
*/