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errors.def
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1991-07-20
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2KB
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73 lines
DEFINITION MODULE errors;
(*
By: Greg Mumm
"FatalError" will close all files, cleanup memory and HALT the program.
WARNING: Memory allocations are freed with a call to "freeheap". Make
sure any memory allocations are set up with this in mind!
*)
FROM FileSystem IMPORT File;
FROM Scan IMPORT NameString, STRING;
TYPE
ErrorType =
( none,
FileError,
FileNotOpened,
Scan_DataPastEndOfLine,
OutOfMemory,
FileClose,
MultipleModule,
UserHalt,
CliHelp, (* Prints simple help information *)
WorkBench,
NoProgramName,
NoSupportDEFINITION,
NoSupportIMPLEMENTATION,
NoSupportFiles,
NoSupportGeneric,
WriteStatement,
UndeterminedProcedure
);
(* Fatal error--clean up memory and close all files
*)
PROCEDURE FatalError ( message : ErrorType );
(* Non fatal error-just print the error
*)
PROCEDURE ErrorMessage ( message : ErrorType );
(* Error concerning a file. The fact that we know it has something to
do with a file allows us to to print line numbers etc..
*)
PROCEDURE ErrorFileMessage ( message : ErrorType ;
name : NameString ;
LineNumber : CARDINAL );
(* Internal error in a module somewhere. This type error should not
happen on a properly running program. All memory is de-allocated,
Everything including files are cleaned up and closed
*)
PROCEDURE internal ( AlertString : STRING );
(* Clean Up memory, close all files
*)
PROCEDURE CleanUp ();
END errors.