diff options
Diffstat (limited to 'doc/AllowExc.3')
| -rw-r--r-- | doc/AllowExc.3 | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/doc/AllowExc.3 b/doc/AllowExc.3 index 1145fa4..2343e66 100644 --- a/doc/AllowExc.3 +++ b/doc/AllowExc.3 @@ -5,10 +5,8 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: AllowExc.3,v 1.2 1998/09/14 18:39:45 stanton Exp $ -'\" -.so man.macros .TH Tcl_AllowExceptions 3 7.4 Tcl "Tcl Library Procedures" +.so man.macros .BS .SH NAME Tcl_AllowExceptions \- allow all exceptions in next script evaluation @@ -18,7 +16,7 @@ Tcl_AllowExceptions \- allow all exceptions in next script evaluation .sp \fBTcl_AllowExceptions\fR(\fIinterp\fR) .SH ARGUMENTS -.AS Tcl_Interp *doublePtr +.AS Tcl_Interp *interp .AP Tcl_Interp *interp in Interpreter in which script will be evaluated. .BE @@ -27,16 +25,20 @@ 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 -or TCL_RETURN, then Tcl normally converts this into a TCL_ERROR -return with an appropriate message. +terminates with a completion code other than \fBTCL_OK\fR, \fBTCL_ERROR\fR +or \fBTCL_RETURN\fR, then Tcl normally converts this into a \fBTCL_ERROR\fR +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 -such as TCL_BREAK or TCL_CONTINUE in a meaningful way. +such as \fBTCL_BREAK\fR or \fBTCL_CONTINUE\fR in a meaningful way. .SH KEYWORDS continue, break, exception, interpreter |
