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Tcl_AllowExceptions(3)Tcl Library ProcedureTcl_AllowExceptions(3)

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NAME
       Tcl_AllowExceptions  - allow all exceptions in next script
       evaluation

SYNOPSIS
       #include <tcl.h>

       Tcl_AllowExceptions(interp)

ARGUMENTS
       Tcl_Interp   *interp	 (in)	   Interpreter	in  which
					   script  will be evalu-
					   ated.
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DESCRIPTION
       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.

       However,	 if  Tcl_AllowExceptions  is  invoked immediately
       before calling a procedure such as  Tcl_Eval,  then  arbi-
       trary  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.

KEYWORDS
       continue, break, exception, interpreter

Tcl			       7.4				1

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