fpc/rtl/objpas/sysutils/sysutilh.inc

277 lines
7.0 KiB
PHP

{
$Id$
This file is part of the Free Pascal run time library.
Copyright (c) 1999-2000 by Florian Klaempfl
member of the Free Pascal development team
See the file COPYING.FPC, included in this distribution,
for details about the copyright.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
**********************************************************************}
{ Read date & Time function declarations }
{$i osutilsh.inc}
{$i datih.inc}
{ Read String Handling functions declaration }
{$i sysstrh.inc}
type
{ some helpful data types }
{$IFDEF VER1_0}
(* System type alias cannot be used under version *)
(* 1.0 because of different names of System unit. *)
THandle = longint;
{$ELSE VER1_0}
THandle = System.THandle;
{$ENDIF VER1_0}
TProcedure = procedure;
TFilename = String;
TIntegerSet = Set of 0..SizeOf(Integer)*8-1;
LongRec = packed record
case Integer of
0 : (Lo,Hi : Word);
1 : (Bytes : Array[0..3] of Byte);
end;
WordRec = packed record
Lo,Hi : Byte;
end;
Int64Rec = packed record
case integer of
0 : (Lo,Hi : Cardinal);
1 : (Words : Array[0..3] of Word);
2 : (Bytes : Array[0..7] of Byte);
end;
PByteArray = ^TByteArray;
TByteArray = Array[0..32767] of Byte;
PWordarray = ^TWordArray;
TWordArray = array[0..16383] of Word;
TMethod = packed record
Code, Data: Pointer;
end;
{ exceptions }
Exception = class(TObject)
private
fmessage : string;
fhelpcontext : longint;
public
constructor Create(const msg : string);
constructor CreateFmt(const msg : string; const args : array of const);
constructor CreateRes(ResString: PString);
constructor CreateResFmt(ResString: PString; const Args: array of const);
constructor CreateHelp(const Msg: string; AHelpContext: Integer);
constructor CreateFmtHelp(const Msg: string; const Args: array of const;
AHelpContext: Integer);
constructor CreateResHelp(ResString: PString; AHelpContext: Integer);
constructor CreateResFmtHelp(ResString: PString; const Args: array of const;
AHelpContext: Integer);
{ !!!! }
property HelpContext : longint read fhelpcontext write fhelpcontext;
property Message : string read fmessage write fmessage;
end;
ExceptClass = class of Exception;
EExternal = class(Exception)
public
{$ifdef win32}
ExceptionRecord : PExceptionRecord;
{$endif win32}
end;
{ integer math exceptions }
EInterror = Class(EExternal);
EDivByZero = Class(EIntError);
ERangeError = Class(EIntError);
EIntOverflow = Class(EIntError);
{ General math errors }
EMathError = Class(EExternal);
EInvalidOp = Class(EMathError);
EZeroDivide = Class(EMathError);
EOverflow = Class(EMathError);
EUnderflow = Class(EMathError);
{ Run-time and I/O Errors }
EInOutError = class(Exception)
public
ErrorCode : Longint;
end;
EHeapMemoryError = class(Exception)
protected
AllowFree : boolean;
procedure FreeInstance;override;
end;
EHeapException = EHeapMemoryError;
EExternalException = class(EExternal);
EInvalidPointer = Class(EHeapMemoryError);
EOutOfMemory = Class(EHeapMemoryError);
EInvalidCast = Class(Exception);
EVariantError = Class(Exception);
EAccessViolation = Class(EExternal);
EPrivilege = class(EExternal);
EStackOverflow = class(EExternal);
EControlC = class(EExternal);
{ String conversion errors }
EConvertError = class(Exception);
{ Other errors }
EAbort = Class(Exception);
EAbstractError = Class(Exception);
EAssertionFailed = Class(Exception);
EPropReadOnly = class(Exception);
EPropWriteOnly = class(Exception);
EIntfCastError = class(Exception);
EInvalidContainer = class(Exception);
EInvalidInsert = class(Exception);
EPackageError = class(Exception);
EOSError = class(Exception)
public
ErrorCode: Longint;
end;
ESafecallException = class(Exception);
ENoThreadSupport = Class(Exception);
{ Exception handling routines }
function ExceptObject: TObject;
function ExceptAddr: Pointer;
function ExceptionErrorMessage(ExceptObject: TObject; ExceptAddr: Pointer;
Buffer: PChar; Size: Integer): Integer;
procedure ShowException(ExceptObject: TObject; ExceptAddr: Pointer);
procedure Abort;
procedure OutOfMemoryError;
procedure Beep;
function SysErrorMessage(ErrorCode: Integer): String;
type
TTerminateProc = Function: Boolean;
procedure AddTerminateProc(TermProc: TTerminateProc);
function CallTerminateProcs: Boolean;
Var
OnShowException : Procedure (Msg : ShortString);
{ FileRec/TextRec }
{$i filerec.inc}
{$i textrec.inc}
Const
HexDisplayPrefix : string = '$';
const
// commenting is VP fix. These idents are in a different unit there.
PathDelim={System.}DirectorySeparator;
DriveDelim={System.}DriveSeparator;
PathSep={System.}PathSeparator;
Type
TFileRec=FileRec;
TTextRec=TextRec;
{ Read internationalization settings }
{$i sysinth.inc}
{ Read pchar handling functions declaration }
{$IFNDEF VIRTUALPASCAL}
{$i syspchh.inc}
{$ENDIF}
{ MCBS functions }
{$i sysansih.inc}
{ Read filename handling functions declaration }
{$i finah.inc}
{ Read other file handling function declarations }
{$i filutilh.inc}
{ Read disk function declarations }
{$i diskh.inc}
{ read thread handling }
{$i systhrdh.inc}
procedure FreeAndNil(var obj);
{$ifdef HASINTF}
{ interface handling }
{$i intfh.inc}
{$endif HASINTF}
{
$Log$
Revision 1.9 2004-08-31 11:03:35 michael
+ Some capitalization added for documentation purposes
Revision 1.8 2004/08/31 10:34:11 michael
+ Some capitalization added for documentation purposes
Revision 1.7 2004/01/28 22:09:52 peter
* EOSError.errorcode change to Longint which is more compatible
with unix platforms
Revision 1.6 2004/01/05 22:37:24 florian
* changed sysutils.exec to ExecuteProcess
Revision 1.5 2003/11/26 22:17:42 michael
+ Merged fixbranch fixes, missing in main branch
Revision 1.4 2003/11/26 20:12:08 michael
+ New runerror 231 (exception stack error) and 232 (nothread support)
Revision 1.3 2003/11/26 20:00:19 florian
* error handling for Variants improved
Revision 1.2 2003/10/25 23:43:59 hajny
* THandle in sysutils common using System.THandle
Revision 1.1 2003/10/06 21:01:06 peter
* moved classes unit to rtl
Revision 1.20 2003/09/06 20:49:54 marco
* Two minimal VP fixes
Revision 1.19 2003/01/01 20:58:07 florian
+ added invalid instruction exception
Revision 1.18 2002/10/07 19:43:24 florian
+ empty prototypes for the AnsiStr* multi byte functions added
Revision 1.17 2002/09/07 16:01:22 peter
* old logs removed and tabs fixed
Revision 1.16 2002/01/25 17:42:03 peter
* interface helpers
}