161 lines
3.5 KiB
Plaintext
161 lines
3.5 KiB
Plaintext
/*
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* $Id$
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Copyright(C) 1999 by Antonio Linares.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with this program; if not, write to:
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The Free Software Foundation, Inc.,
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675 Mass Ave, Cambridge, MA 02139, USA.
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You can contact me at: alinares@fivetech.com
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*/
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// Standard Harbour ErrorSys system
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#include "error.ch"
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#define ISCHAR( var ) ( ValType(var) == "C" )
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#define ISNUM( var ) ( ValType(var) == "N" )
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//----------------------------------------------------------------------------//
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init procedure ClipInit
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public getlist := {}
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ErrorSys()
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return
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//----------------------------------------------------------------------------//
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procedure ErrorSys
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ErrorBlock( { | oError | DefError( oError ) } )
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return
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//----------------------------------------------------------------------------//
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static function DefError( oError )
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LOCAL cMessage
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LOCAL aOptions
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LOCAL nChoice
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LOCAL n
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// By default, division by zero results in zero
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IF oError:genCode == EG_ZERODIV
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RETURN 0
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ENDIF
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cMessage := ErrorMessage( oError )
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// Build buttons
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aOptions := {}
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// aAdd( aOptions, "Break" )
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aAdd( aOptions, "Quit" )
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IF oError:canRetry
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aAdd( aOptions, "Retry" )
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ENDIF
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IF oError:canDefault
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aAdd( aOptions, "Default" )
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ENDIF
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// Show alert box
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nChoice := 0
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DO WHILE nChoice == 0
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IF Empty( oError:osCode )
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nChoice := Alert( cMessage, aOptions )
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ELSE
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nChoice := Alert( cMessage + ";(DOS Error " + LTrim( Str( oError:osCode ) ) + ")", aOptions)
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ENDIF
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ENDDO
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DO CASE
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CASE aOptions[ nChoice ] == "Break"
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Break( oError )
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CASE aOptions[ nChoice ] == "Retry"
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RETURN .T.
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CASE aOptions[ nChoice ] == "Default"
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RETURN .F.
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ENDCASE
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// "Quit" selected
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IF ! Empty( oError:osCode )
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cMessage += " (DOS Error " + LTrim( Str( oError:osCode ) ) + ")"
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ENDIF
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QOut( cMessage )
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n := 2
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DO WHILE ! Empty( ProcName( n ) )
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QOut("Called from " + ProcName( n ) + ;
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"(" + AllTrim( Str( ProcLine( n++ ) ) ) + ")")
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ENDDO
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QUIT
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RETURN .F.
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// [vszel]
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STATIC FUNCTION ErrorMessage(oError)
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LOCAL cMessage
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// start error message
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cMessage := iif( oError:severity > ES_WARNING, "Error", "Warning" ) + " "
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// add subsystem name if available
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IF ISCHAR( oError:subsystem )
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cMessage += oError:subsystem()
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ELSE
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cMessage += "???"
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ENDIF
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// add subsystem's error code if available
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IF ISNUM( oError:subCode )
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cMessage += "/" + LTrim( Str( oError:subCode ) )
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ELSE
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cMessage += "/???"
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ENDIF
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// add error description if available
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IF ISCHAR( oError:description )
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cMessage += " " + oError:description
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ENDIF
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// add either filename or operation
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DO CASE
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CASE !Empty( oError:filename )
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cMessage += ": " + oError:filename
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CASE !Empty( oError:operation )
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cMessage += ": " + oError:operation
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ENDCASE
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RETURN cMessage
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//----------------------------------------------------------------------------//
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