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105 lines
2.6 KiB
ObjectPascal
105 lines
2.6 KiB
ObjectPascal
{
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This file is part of the Free Pascal Run time library.
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Copyright (c) 2004 by Olle Raab
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This unit contain procedures specific for mode MacPas.
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It should be platform independant.
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See the file COPYING.FPC, included in this distribution,
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For details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************}
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{$mode objfpc}
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unit MacPas;
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interface
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{ Using inlining for small system functions/wrappers }
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{$inline on}
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{$define SYSTEMINLINE}
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type
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LongDouble = ValReal;
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{FourCharCode coercion
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This routine coreces string literals to a FourCharCode.}
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function FCC(literal: string): LongWord; {$ifdef systeminline}inline;{$endif}
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{Same as FCC, to be compatible with GPC}
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function FOUR_CHAR_CODE(literal: string): LongWord; {$ifdef systeminline}inline;{$endif}
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{This makes casts from ShortString to FourCharCode automatically,
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to emulate the behaviour of mac pascal compilers}
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operator := (s: ShortString) res: LongWord; {$ifdef systeminline}inline;{$endif}
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{ Same as the "is" operator }
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Function Member (Instance : TObject; AClass : TClass) : boolean; {$ifdef systeminline}inline;{$endif}
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function ord4(i: smallint): smallint; {$ifdef systeminline}inline;{$endif}
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function ord4(l: longint): longint; {$ifdef systeminline}inline;{$endif}
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function ord4(c: cardinal): cardinal; {$ifdef systeminline}inline;{$endif}
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function ord4(p: pointer): ptrint; {$ifdef systeminline}inline;{$endif}
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implementation
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function FCC(literal: string): LongWord; {$ifdef systeminline}inline;{$endif}
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begin
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FCC := PLongWord(@literal[1])^;
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end;
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function FOUR_CHAR_CODE(literal: string): LongWord; {$ifdef systeminline}inline;{$endif}
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begin
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FOUR_CHAR_CODE := PLongWord(@literal[1])^;
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end;
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operator := (s: ShortString) res: LongWord; {$ifdef systeminline}inline;{$endif}
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begin
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res := PLongWord(@s[1])^;
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end;
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Function Member (Instance : TObject; AClass : TClass) : boolean; {$ifdef systeminline}inline;{$endif}
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begin
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Result:=Instance is AClass;
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end;
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function ord4(i: smallint): smallint; {$ifdef systeminline}inline;{$endif}
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begin
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result:=i;
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end;
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function ord4(l: longint): longint; {$ifdef systeminline}inline;{$endif}
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begin
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result := l;
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end;
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function ord4(c: cardinal): cardinal; {$ifdef systeminline}inline;{$endif}
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begin
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result := c;
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end;
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function ord4(p: pointer): ptrint; {$ifdef systeminline}inline;{$endif}
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begin
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result := ptrint(p);
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end;
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{$ifdef powerpc}
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begin
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asm
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mtfsfi 6,1
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end;
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{$endif powerpc}
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end.
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