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111 lines
3.0 KiB
ObjectPascal
111 lines
3.0 KiB
ObjectPascal
unit RemoveEmptyComment;
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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 RemoveEmptyComment, released Nov 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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{ AFS 9 Nov 2003
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Remove empty comments
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}
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uses SwitchableVisitor;
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type
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TRemoveEmptyComment = class(TSwitchableVisitor)
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private
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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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function IsIncludedInSettings: boolean; override;
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end;
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implementation
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uses
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{ system }
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SysUtils,
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{ local }
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JcfStringUtils,
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FormatFlags, SourceToken, Tokens, TokenUtils, JcfSettings;
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constructor TRemoveEmptyComment.Create;
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begin
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inherited;
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FormatFlags := FormatFlags + [eRemoveComments];
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end;
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function TRemoveEmptyComment.EnabledVisitSourceToken(const pcNode: TObject): Boolean;
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var
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lcSourceToken: TSourceToken;
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lsCommentText: string;
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begin
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Result := False;
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lcSourceToken := TSourceToken(pcNode);
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case lcSourceToken.CommentStyle of
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eDoubleSlash:
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begin
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if FormattingSettings.Comments.RemoveEmptyDoubleSlashComments then
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begin
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lsCommentText := StrAfter('//', lcSourceToken.SourceCode);
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lsCommentText := Trim(lsCommentText);
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if lsCommentText = '' then
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BlankToken(lcSourceToken);
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end;
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end;
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eCurlyBrace:
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begin
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if FormattingSettings.Comments.RemoveEmptyCurlyBraceComments then
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begin
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lsCommentText := StrAfter('{', lcSourceToken.SourceCode);
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lsCommentText := StrBefore('}', lsCommentText);
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lsCommentText := Trim(lsCommentText);
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if lsCommentText = '' then
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BlankToken(lcSourceToken);
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end;
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end;
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eBracketStar, eCompilerDirective: ; // always leave these
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eNotAComment: ; // this is not a comment
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else
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// should not be here
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Assert(False);
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end;
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end;
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function TRemoveEmptyComment.IsIncludedInSettings: boolean;
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begin
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with FormattingSettings.Comments do
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Result := RemoveEmptyDoubleSlashComments or RemoveEmptyCurlyBraceComments;
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end;
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end.
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