diff options
| -rw-r--r-- | generic/tclEnsemble.c | 24 | ||||
| -rw-r--r-- | tests/namespace.test | 4 |
2 files changed, 21 insertions, 7 deletions
diff --git a/generic/tclEnsemble.c b/generic/tclEnsemble.c index 9bb7a0c..022dafa 100644 --- a/generic/tclEnsemble.c +++ b/generic/tclEnsemble.c @@ -2751,13 +2751,6 @@ TclCompileEnsemble( const char *word; Tcl_IncrRefCount(replaced); - - /* - * This is where we return to if we are parsing multiple nested compiled - * ensembles. [info object] is such a beast. - */ - - checkNextWord: if (parsePtr->numWords < depth + 1) { goto failed; } @@ -2769,6 +2762,12 @@ TclCompileEnsemble( goto failed; } + /* + * This is where we return to if we are parsing multiple nested compiled + * ensembles. [info object] is such a beast. + */ + + checkNextWord: word = tokenPtr[1].start; numBytes = tokenPtr[1].size; @@ -2979,6 +2978,17 @@ TclCompileEnsemble( if (cmdPtr->compileProc == TclCompileEnsemble) { tokenPtr = TokenAfter(tokenPtr); + if (parsePtr->numWords < depth + 1 + || tokenPtr->type != TCL_TOKEN_SIMPLE_WORD) { + /* + * Too hard because the user has done something unpleasant like + * omitting the sub-ensemble's command name or used a non-constant + * name for a sub-ensemble's command name; we respond by bailing + * out completely (this is a rare case). [Bug 6d2f249a01] + */ + + goto cleanup; + } ensemble = (Tcl_Command) cmdPtr; goto checkNextWord; } diff --git a/tests/namespace.test b/tests/namespace.test index fab0040..cded1f4 100644 --- a/tests/namespace.test +++ b/tests/namespace.test @@ -2949,6 +2949,10 @@ test namespace-54.1 {leak on namespace deletion} -constraints {memory} \ rename getbytes {} unset i ns start end } -result 0 + +test namespace-55.1 {compiled ensembles inside compiled ensembles: Bug 6d2f249a01} { + info class [format %s constructor] oo::object +} "" # cleanup catch {rename cmd1 {}} |