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135 lines
3.6 KiB
ObjectPascal
135 lines
3.6 KiB
ObjectPascal
unit AlignComment;
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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 AlignComment, 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 SourceToken, AlignBase;
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type
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TAlignComment = class(TAlignBase)
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private
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// don't align across block nexting levels
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fiStartBlockLevel: integer;
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protected
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{ TokenProcessor overrides }
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function IsTokenInContext(const pt: TSourceToken): boolean; override;
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{ AlignStatements overrides }
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function TokenIsAligned(const pt: TSourceToken): boolean; override;
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function TokenEndsStatement(const pt: TSourceToken): boolean; override;
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procedure ResetState; 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 FormatFlags, JcfSettings, ParseTreeNodeType, Tokens, TokenUtils;
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constructor TAlignComment.Create;
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begin
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inherited;
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FormatFlags := FormatFlags + [eAlignComment];
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fiStartBlockLevel := -1;
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end;
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function TAlignComment.IsIncludedInSettings: boolean;
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begin
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Result := ( not FormatSettings.Obfuscate.Enabled) and
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FormatSettings.Align.AlignComment;
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end;
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function TAlignComment.IsTokenInContext(const pt: TSourceToken): boolean;
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begin
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Result := ( not FormatSettings.Align.InterfaceOnly) or
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(pt.HasParentNode(nInterfaceSection));
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end;
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procedure TAlignComment.ResetState;
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begin
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inherited;
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fiStartBlockLevel := -1;
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end;
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function TAlignComment.TokenEndsStatement(const pt: TSourceToken): boolean;
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begin
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if pt = nil then
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Result := True
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{ only look at solid tokens and returns }
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else if (pt.TokenType in [ttWhiteSpace]) then
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begin
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Result := False;
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end
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else
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begin
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Result := (pt.TokenType in [ttReturn]);
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end;
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end;
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function ShortEnoughToMove(const pt: TSourceToken): boolean;
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begin
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// don't further indent long lines
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Result := (pt.XPosition + Length(pt.SourceCode)) <=
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FormatSettings.Returns.MaxLineLength;
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end;
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function TAlignComment.TokenIsAligned(const pt: TSourceToken): boolean;
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var
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ltNext: TSourceToken;
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begin
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// must be a comment on one line
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Result := IsSingleLineComment(pt);
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{ don't align compiler directives like other comments }
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if Result then
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Result := (pt.CommentStyle <> eCompilerDirective);
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if Result then
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begin
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// must be the last thing on the line
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ltNext := pt.NextTokenWithExclusions([ttWhitespace]);
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Result := (ltNext <> nil) and (ltNext.TokenType = ttReturn) and
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ShortEnoughToMove(pt) and
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((fiStartBlockLevel < 0) or (fiStartBlockLevel = BlockLevel(pt)));
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if Result and (fiStartBlockLevel < 0) then
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fiStartBlockLevel := BlockLevel(pt);
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end;
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end;
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end.
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