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84 lines
2.4 KiB
ObjectPascal
84 lines
2.4 KiB
ObjectPascal
unit RemoveBlankLine;
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{ AFS 17 Jan 2003
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Obfuscate - remove blank lines }
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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 RemoveBlankLine, 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 SwitchableVisitor;
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type
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TRemoveBlankLine = class(TSwitchableVisitor)
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protected
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function EnabledVisitSourceToken(const pcNode: TObject): Boolean; override;
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public
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constructor Create; override;
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end;
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implementation
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uses
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SourceToken, Tokens,
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FormatFlags, TokenUtils;
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constructor TRemoveBlankLine.Create;
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begin
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inherited;
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FormatFlags := FormatFlags + [eObfuscate];
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end;
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function TRemoveBlankLine.EnabledVisitSourceToken(const pcNode: TObject): boolean;
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var
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lcSourceToken, lcNext: TSourceToken;
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begin
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Result := False;
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lcSourceToken := TSourceToken(pcNode);
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if lcSourceToken.TokenType <> ttReturn then
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exit;
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{ find next, excluding spaces and comments, except '//' comment }
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lcNext := lcSourceToken.NextTokenWithExclusions([ttWhiteSpace]);
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while (lcNext <> nil) and (lcNext.TokenType = ttComment) and
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(lcNext.CommentStyle <> eDoubleSlash) do
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lcNext := lcNext.NextTokenWithExclusions([ttWhiteSpace]);
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{
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A return, followed by another return (with nothing of substance between them)
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is a blank line, so kill one of them
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this applies even in Asm blocks }
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if (lcNext <> nil) and (lcNext.TokenType = ttReturn) then
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BlankToken(lcSourceToken);
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end;
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end.
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