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134 lines
3.6 KiB
ObjectPascal
134 lines
3.6 KiB
ObjectPascal
{(*}
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(*------------------------------------------------------------------------------
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Delphi Code formatter source code
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The Original Code is AlignAssign.pas, released April 2000.
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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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unit AlignAssign;
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{ AFS 3 Feb 2K
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Align the RHS of consecutive assign statements
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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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TAlignAssign = 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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fiStartCaseLevel: 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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function TokenEndsAlignment(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
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{ local}
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Tokens, FormatFlags, JcfSettings, TokenUtils,
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ParseTreeNodeType;
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{ TAlignAssign }
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constructor TAlignAssign.Create;
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begin
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inherited;
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FormatFlags := FormatFlags + [eAlignAssign];
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fiStartBlockLevel := -1;
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fiStartCaseLevel := -1;
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end;
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procedure TAlignAssign.ResetState;
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begin
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inherited;
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fiStartBlockLevel := -1;
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fiStartCaseLevel := -1;
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end;
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{ a token that ends an assign block }
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function TAlignAssign.IsIncludedInSettings: boolean;
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begin
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Result := ( not FormatSettings.Obfuscate.Enabled) and FormatSettings.Align.AlignAssign;
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end;
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function TAlignAssign.IsTokenInContext(const pt: TSourceToken): boolean;
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begin
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Result := InStatements(pt) and pt.HasParentNode(nAssignment);
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end;
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function TAlignAssign.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 }
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else if (pt.TokenType in [ttReturn, 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 = ttSemiColon) or (pt.WordType = wtReservedWord) or
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( not InStatements(pt));
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end;
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end;
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function TAlignAssign.TokenEndsAlignment(const pt: TSourceToken): boolean;
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begin
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// ended by a blank line
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Result := IsBlankLineEnd(pt);
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end;
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function TAlignAssign.TokenIsAligned(const pt: TSourceToken): boolean;
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begin
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{ keep the indent - don't align statement of differing indent levels }
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if (fiStartBlockLevel < 0) and (pt.TokenType = ttAssign) then
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fiStartBlockLevel := BlockLevel(pt);
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if (fiStartCaseLevel < 0) and (pt.TokenType = ttAssign) then
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fiStartCaseLevel := CaseLevel(pt);
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Result := (pt.TokenType = ttAssign) and
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(fiStartBlockLevel = BlockLevel(pt)) and (fiStartCaseLevel = CaseLevel(pt));
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end;
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end.
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