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authordgp <dgp@users.sourceforge.net>2013-05-24 18:37:19 (GMT)
committerdgp <dgp@users.sourceforge.net>2013-05-24 18:37:19 (GMT)
commit44c1eaa96ca8158ccbb3acddb45eadfadfb9f07a (patch)
treebc9f6116a6d8c642d51f11b104c94e8fd996c30f /generic
parent6075b0d3f07eeac6144d0a6f7af0803cf9705b96 (diff)
downloadtcl-44c1eaa96ca8158ccbb3acddb45eadfadfb9f07a.zip
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3613854 - Fixup stack maintenance /code generation for [array set x $oddList].
Postscript - I see that this commit created a memory leak. Will commit a fix within a few days.
Diffstat (limited to 'generic')
-rw-r--r--generic/tclCompCmds.c37
1 files changed, 17 insertions, 20 deletions
diff --git a/generic/tclCompCmds.c b/generic/tclCompCmds.c
index 10faff7..5a5cd88 100644
--- a/generic/tclCompCmds.c
+++ b/generic/tclCompCmds.c
@@ -263,11 +263,6 @@ TclCompileArraySetCmd(
}
varTokenPtr = TokenAfter(parsePtr->tokenPtr);
- PushVarNameWord(interp, varTokenPtr, envPtr, TCL_NO_ELEMENT,
- &localIndex, &simpleVarName, &isScalar, 1);
- if (!isScalar) {
- return TCL_ERROR;
- }
dataTokenPtr = TokenAfter(varTokenPtr);
literalObj = Tcl_NewObj();
isDataLiteral = TclWordKnownAtCompileTime(dataTokenPtr, literalObj);
@@ -276,6 +271,23 @@ TclCompileArraySetCmd(
isDataEven = (isDataValid && (len & 1) == 0);
/*
+ * Special case: literal odd-length argument is always an error.
+ */
+
+ if (isDataValid && !isDataEven) {
+ PushStringLiteral(envPtr, "list must have an even number of elements");
+ PushStringLiteral(envPtr, "-errorCode {TCL ARGUMENT FORMAT}");
+ TclEmitInstInt4(INST_RETURN_IMM, 1, envPtr);
+ TclEmitInt4( 0, envPtr);
+ goto done;
+ }
+
+ PushVarNameWord(interp, varTokenPtr, envPtr, TCL_NO_ELEMENT,
+ &localIndex, &simpleVarName, &isScalar, 1);
+ if (!isScalar) {
+ return TCL_ERROR;
+ }
+ /*
* Special case: literal empty value argument is just an "ensure array"
* operation.
*/
@@ -300,21 +312,6 @@ TclCompileArraySetCmd(
}
/*
- * Special case: literal odd-length argument is always an error.
- */
-
- if (isDataValid && !isDataEven) {
- savedStackDepth = envPtr->currStackDepth;
- PushStringLiteral(envPtr, "list must have an even number of elements");
- PushStringLiteral(envPtr, "-errorCode {TCL ARGUMENT FORMAT}");
- TclEmitInstInt4(INST_RETURN_IMM, 1, envPtr);
- TclEmitInt4( 0, envPtr);
- envPtr->currStackDepth = savedStackDepth;
- PushStringLiteral(envPtr, "");
- goto done;
- }
-
- /*
* Prepare for the internal foreach.
*/