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-rw-r--r--generic/tclCompCmdsGR.c16
-rw-r--r--tests/upvar.test11
2 files changed, 19 insertions, 8 deletions
diff --git a/generic/tclCompCmdsGR.c b/generic/tclCompCmdsGR.c
index 150c378..ae1b6a1 100644
--- a/generic/tclCompCmdsGR.c
+++ b/generic/tclCompCmdsGR.c
@@ -2568,16 +2568,14 @@ TclCompileUpvarCmd(
Tcl_Token *tokenPtr, *otherTokenPtr, *localTokenPtr;
int isScalar, localIndex, numWords, i;
DefineLineInformation; /* TIP #280 */
- Tcl_Obj *objPtr = Tcl_NewObj();
+ Tcl_Obj *objPtr;
if (envPtr->procPtr == NULL) {
- Tcl_DecrRefCount(objPtr);
return TCL_ERROR;
}
numWords = parsePtr->numWords;
if (numWords < 3) {
- Tcl_DecrRefCount(objPtr);
return TCL_ERROR;
}
@@ -2585,6 +2583,7 @@ TclCompileUpvarCmd(
* Push the frame index if it is known at compile time
*/
+ objPtr = Tcl_NewObj();
tokenPtr = TokenAfter(parsePtr->tokenPtr);
if (TclWordKnownAtCompileTime(tokenPtr, objPtr)) {
CallFrame *framePtr;
@@ -2603,16 +2602,17 @@ TclCompileUpvarCmd(
if (numWords%2) {
return TCL_ERROR;
}
+ /* TODO: Push the known value instead? */
CompileWord(envPtr, tokenPtr, interp, 1);
otherTokenPtr = TokenAfter(tokenPtr);
- i = 4;
+ i = 2;
} else {
if (!(numWords%2)) {
return TCL_ERROR;
}
PushStringLiteral(envPtr, "1");
otherTokenPtr = tokenPtr;
- i = 3;
+ i = 1;
}
} else {
Tcl_DecrRefCount(objPtr);
@@ -2625,12 +2625,12 @@ TclCompileUpvarCmd(
* be called at runtime.
*/
- for (; i<=numWords; i+=2, otherTokenPtr = TokenAfter(localTokenPtr)) {
+ for (; i<numWords; i+=2, otherTokenPtr = TokenAfter(localTokenPtr)) {
localTokenPtr = TokenAfter(otherTokenPtr);
- CompileWord(envPtr, otherTokenPtr, interp, 1);
+ CompileWord(envPtr, otherTokenPtr, interp, i);
PushVarNameWord(interp, localTokenPtr, envPtr, 0,
- &localIndex, &isScalar, 1);
+ &localIndex, &isScalar, i+1);
if ((localIndex < 0) || !isScalar) {
return TCL_ERROR;
diff --git a/tests/upvar.test b/tests/upvar.test
index e2c9ffd..de98486 100644
--- a/tests/upvar.test
+++ b/tests/upvar.test
@@ -414,6 +414,17 @@ test upvar-9.7 {Tcl_UpVar procedure} testupvar {
} {1234}
catch {unset a}
+test upvar-10.1 {CompileWord OBOE} -setup {
+ proc linenumber {} {dict get [info frame -1] line}
+} -body {
+ apply {n {
+ upvar 1 {*}{
+ } [return [incr n -[linenumber]]] x
+ }} [linenumber]
+} -cleanup {
+ rename linenumber {}
+} -result 1
+
#
# Tests for 'namespace upvar'. As the implementation is essentially the same as
# for 'upvar', we only test that the variables are linked correctly, i.e., we