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98 lines
2.6 KiB
ObjectPascal
98 lines
2.6 KiB
ObjectPascal
unit ParseError;
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{(*}
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(*------------------------------------------------------------------------------
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Delphi Code formatter source code
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The Original Code is ParseError, released May 2003.
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The Initial Developer of the Original Code is Anthony Steele.
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Portions created by Anthony Steele are Copyright (C) 1999-2008 Anthony Steele.
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All Rights Reserved.
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Contributor(s): Anthony Steele.
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The contents of this file are subject to the Mozilla Public License Version 1.1
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(the "License"). you may not use this file except in compliance with the License.
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You may obtain a copy of the License at http://www.mozilla.org/NPL/
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Software distributed under the License is distributed on an "AS IS" basis,
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WITHOUT WARRANTY OF ANY KIND, either express or implied.
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See the License for the specific language governing rights and limitations
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under the License.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 2 or later (the "GPL")
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See http://www.gnu.org/licenses/gpl.html
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------------------------------------------------------------------------------*)
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{*)}
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{$I JcfGlobal.inc}
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interface
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uses
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SysUtils,
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{ local }
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SourceToken;
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type
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TEParseError = class(Exception)
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private
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fsMessage: string;
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fiXPosition, fiYPosition: integer;
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fsFileName: string;
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public
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constructor Create(const psMessage: string; const pcToken: TSourceToken);
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property FileName: string Read fsFileName Write fsFileName;
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property TokenMessage: string Read fsMessage;
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property XPosition: integer Read fiXPosition;
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property YPosition: integer Read fiYPosition;
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end;
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procedure CheckNilPointer(aPtr:Pointer);
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procedure CheckNilInstance(aInstance: TObject; aLastValidToken: TObject);
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implementation
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procedure CheckNilPointer(aPtr:Pointer);
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begin
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if aPtr=nil then
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raise TEParseError.Create('JCF Internal Error. Unexpected NIL pointer', nil);
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end;
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procedure CheckNilInstance(aInstance: TObject; aLastValidToken: TObject);
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begin
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if not Assigned(AInstance) then
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begin
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if not (aLastValidToken is TSourceToken) then
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begin
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aLastValidToken := nil;
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end;
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raise TEParseError.Create('JCF Internal Error. Unexpected error in source code', TSourceToken(aLastValidToken));
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end;
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end;
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{ TEParseError }
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constructor TEParseError.Create(const psMessage: string; const pcToken: TSourceToken);
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begin
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inherited Create(psMessage);
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if pcToken <> nil then
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begin
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fiXPosition := pcToken.XPosition;
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fiYPosition := pcToken.YPosition;
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fsMessage := pcToken.Describe;
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end
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else
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begin
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fiXPosition := -1;
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fiYPosition := -1;
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fsMessage := '';
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end;
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end;
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end.
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