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unit AlignTypedef;
{(*}
(*------------------------------------------------------------------------------
Delphi Code formatter source code
The Original Code is AlignTypedef, released May 2003.
The Initial Developer of the Original Code is Anthony Steele.
Portions created by Anthony Steele are Copyright (C) 1999-2008 Anthony Steele.
All Rights Reserved.
Contributor(s): Anthony Steele.
The contents of this file are subject to the Mozilla Public License Version 1.1
(the "License"). you may not use this file except in compliance with the License.
You may obtain a copy of the License at http://www.mozilla.org/NPL/
Software distributed under the License is distributed on an "AS IS" basis,
WITHOUT WARRANTY OF ANY KIND, either express or implied.
See the License for the specific language governing rights and limitations
under the License.
Alternatively, the contents of this file may be used under the terms of
the GNU General Public License Version 2 or later (the "GPL")
See http://www.gnu.org/licenses/gpl.html
------------------------------------------------------------------------------*)
{*)}
{$I JcfGlobal.inc}
interface
uses SourceToken, AlignBase;
type
TAlignTypedef = class(TAlignBase)
protected
{ TokenProcessor overrides }
function IsTokenInContext(const pt: TSourceToken): boolean; override;
{ AlignStatements overrides }
function TokenIsAligned(const pt: TSourceToken): boolean; override;
function TokenEndsStatement(const pt: TSourceToken): boolean; override;
function TokenEndsAlignment(const pt: TSourceToken): boolean; override;
public
constructor Create; override;
function IsIncludedInSettings: boolean; override;
end;
implementation
uses FormatFlags, JcfSettings, ParseTreeNodeType, Tokens, TokenUtils;
constructor TAlignTypedef.Create;
begin
inherited;
FormatFlags := FormatFlags + [eAlignTypedef];
end;
function TAlignTypedef.IsIncludedInSettings: boolean;
begin
Result := (not FormattingSettings.Obfuscate.Enabled) and FormattingSettings.Align.AlignTypedef;
end;
function TAlignTypedef.IsTokenInContext(const pt: TSourceToken): boolean;
begin
Result := pt.HasParentNode(nTypeDecl) and ( not pt.HasParentNode(ObjectTypes)) and
((not FormattingSettings.Align.InterfaceOnly) or (pt.HasParentNode(nInterfaceSection)));
end;
function TAlignTypedef.TokenEndsAlignment(const pt: TSourceToken): boolean;
begin
// alignment block ended by a blank line
Result := IsBlankLineEnd(pt);
end;
function InStructuredTypeBody(const pt: TSourceToken): boolean;
begin
Result := pt.HasParentNode(ObjectTypes + [nRecordType]);
if Result then
begin
// exclude the starting word
Result := not (pt.TokenType in StructuredTypeWords + [ttObject]);
end;
end;
function TAlignTypedef.TokenEndsStatement(const pt: TSourceToken): boolean;
begin
if pt = nil then
Result := True
{ only look at solid tokens }
else if (pt.TokenType in [ttReturn, ttWhiteSpace]) then
begin
Result := False;
end
else
begin
Result := ( not pt.HasParentNode(nTypeDecl)) or
(pt.TokenType in [ttSemiColon]) or InStructuredTypeBody(pt);
end;
end;
function TAlignTypedef.TokenIsAligned(const pt: TSourceToken): boolean;
begin
Result := (pt.TokenType = ttEquals);
end;
end.
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