diff options
Diffstat (limited to 'tcl/doc/AllowExc.3')
| -rw-r--r-- | tcl/doc/AllowExc.3 | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/tcl/doc/AllowExc.3 b/tcl/doc/AllowExc.3 index d035d0e50d8..9ca0bd79751 100644 --- a/tcl/doc/AllowExc.3 +++ b/tcl/doc/AllowExc.3 @@ -27,12 +27,16 @@ Interpreter in which script will be evaluated. .PP If a script is evaluated at top-level (i.e. no other scripts are pending evaluation when the script is invoked), and if the script -terminates with a completion code other than TCL_OK, TCL_CONTINUE +terminates with a completion code other than TCL_OK, TCL_ERROR or TCL_RETURN, then Tcl normally converts this into a TCL_ERROR -return with an appropriate message. +return with an appropriate message. The particular script +evaluation procedures of Tcl that act in the manner are +\fBTcl_EvalObjEx\fR, \fBTcl_EvalObjv\fR, \fBTcl_Eval\fR, \fBTcl_EvalEx\fR, +\fBTcl_GlobalEval\fR, \fBTcl_GlobalEvalObj\fR, \fBTcl_VarEval\fR and +\fBTcl_VarEvalVA\fR. .PP However, if \fBTcl_AllowExceptions\fR is invoked immediately before -calling a procedure such as \fBTcl_Eval\fR, then arbitrary completion +calling one of those a procedures, then arbitrary completion codes are permitted from the script, and they are returned without modification. This is useful in cases where the caller can deal with exceptions |