mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-04-06 01:38:01 +02:00
640 lines
20 KiB
ObjectPascal
640 lines
20 KiB
ObjectPascal
{ $Id$ }
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{
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/***************************************************************************
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checklfmdlg.pas
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---------------
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***************************************************************************/
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***************************************************************************
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* *
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* This source is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This code is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* General Public License for more details. *
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* *
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* A copy of the GNU General Public License is available on the World *
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* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
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* obtain it by writing to the Free Software Foundation, *
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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* *
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***************************************************************************
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}
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unit CheckLFMDlg;
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{$mode objfpc}{$H+}
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interface
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uses
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// FCL+LCL
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Classes, SysUtils, Math, TypInfo, LCLProc, LResources, Forms, Controls,
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Graphics, Dialogs, Buttons, StdCtrls,
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// components
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SynHighlighterLFM, SynEdit, BasicCodeTools, CodeCache, CodeToolManager,
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LFMTrees,
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// IDE
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PropEdits, ComponentReg, PackageIntf, IDEWindowIntf,
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LazarusIDEStrConsts, OutputFilter, IDEProcs, IDEOptionDefs, EditorOptions;
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type
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TCheckLFMDialog = class(TForm)
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CancelButton: TButton;
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ErrorsGroupBox: TGroupBox;
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ErrorsListBox: TListBox;
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NoteLabel: TLabel;
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LFMGroupBox: TGroupBox;
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LFMSynEdit: TSynEdit;
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RemoveAllButton: TButton;
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SynLFMSyn1: TSynLFMSyn;
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procedure ErrorsListBoxClick(Sender: TObject);
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procedure LFMSynEditSpecialLineColors(Sender: TObject; Line: integer;
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var Special: boolean; var FG, BG: TColor);
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procedure RemoveAllButtonClick(Sender: TObject);
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procedure CheckLFMDialogCREATE(Sender: TObject);
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private
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FLFMSource: TCodeBuffer;
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FLFMTree: TLFMTree;
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procedure SetLFMSource(const AValue: TCodeBuffer);
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procedure SetLFMTree(const AValue: TLFMTree);
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procedure SetupComponents;
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function FindListBoxError: TLFMError;
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procedure JumpToError(LFMError: TLFMError);
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procedure FindNiceNodeBounds(LFMNode: TLFMTreeNode;
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var StartPos, EndPos: integer);
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procedure AddReplacement(LFMChangeList: TList; StartPos, EndPos: integer;
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const NewText: string);
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function ApplyReplacements(LFMChangeList: TList): boolean;
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public
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procedure LoadLFM;
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procedure FillErrorsListBox;
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function AutomaticFixIsPossible: boolean;
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property LFMTree: TLFMTree read FLFMTree write SetLFMTree;
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property LFMSource: TCodeBuffer read FLFMSource write SetLFMSource;
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end;
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function CheckLFMBuffer(PascalBuffer, LFMBuffer: TCodeBuffer;
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const OnOutput: TOnAddFilteredLine;
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RootMustBeClassInIntf, ObjectsMustExists: boolean): TModalResult;
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function CheckLFMText(PascalBuffer: TCodeBuffer; var LFMText: string;
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const OnOutput: TOnAddFilteredLine;
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RootMustBeClassInIntf, ObjectsMustExists: boolean): TModalResult;
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function ShowRepairLFMWizard(LFMBuffer: TCodeBuffer;
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LFMTree: TLFMTree): TModalResult;
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function RemoveDanglingEvents(RootComponent: TComponent;
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PascalBuffer: TCodeBuffer; OkOnCodeErrors: boolean;
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out ComponentModified: boolean): TModalResult;
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procedure ClearDanglingEvents(ListOfPInstancePropInfo: TFPList);
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implementation
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type
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TLFMChangeEntry = class
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public
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StartPos, EndPos: integer;
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NewText: string;
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end;
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function CheckLFMBuffer(PascalBuffer, LFMBuffer: TCodeBuffer;
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const OnOutput: TOnAddFilteredLine;
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RootMustBeClassInIntf, ObjectsMustExists: boolean): TModalResult;
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var
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LFMTree: TLFMTree;
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procedure WriteUnitError(Code: TCodeBuffer; x, Y: integer;
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const ErrorMessage: string);
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var
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Dir: String;
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Filename: String;
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Msg: String;
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begin
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if not Assigned(OnOutput) then exit;
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if Code=nil then
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Code:=PascalBuffer;
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Dir:=ExtractFilePath(Code.Filename);
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Filename:=ExtractFilename(Code.Filename);
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Msg:=Filename
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+'('+IntToStr(Y)+','+IntToStr(X)+')'
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+' Error: '
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+ErrorMessage;
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debugln('WriteLFMErrors ',Msg);
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OnOutput(Msg,Dir,-1);
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end;
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procedure WriteCodeToolsError;
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begin
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WriteUnitError(CodeToolBoss.ErrorCode,CodeToolBoss.ErrorColumn,
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CodeToolBoss.ErrorLine,CodeToolBoss.ErrorMessage);
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end;
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procedure WriteLFMErrors;
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var
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CurError: TLFMError;
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Dir: String;
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Msg: String;
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Filename: String;
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begin
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if not Assigned(OnOutput) then exit;
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CurError:=LFMTree.FirstError;
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Dir:=ExtractFilePath(LFMBuffer.Filename);
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Filename:=ExtractFilename(LFMBuffer.Filename);
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while CurError<>nil do begin
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Msg:=Filename
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+'('+IntToStr(CurError.Caret.Y)+','+IntToStr(CurError.Caret.X)+')'
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+' Error: '
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+CurError.ErrorMessage;
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debugln('WriteLFMErrors ',Msg);
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OnOutput(Msg,Dir,-1);
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CurError:=CurError.NextError;
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end;
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end;
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function FixMissingComponentClasses: TModalResult;
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// returns true, if after adding units to uses section all errors are fixed
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var
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CurError: TLFMError;
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MissingObjectTypes: TStringList;
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TypeName: String;
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RegComp: TRegisteredComponent;
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i: Integer;
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begin
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DebugLn(['FixMissingComponentClasses ',LFMBuffer.Filename]);
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Result:=mrCancel;
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MissingObjectTypes:=TStringList.Create;
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try
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// collect all missing object types
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CurError:=LFMTree.FirstError;
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while CurError<>nil do begin
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if CurError.IsMissingObjectType then begin
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TypeName:=(CurError.Node as TLFMObjectNode).TypeName;
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if MissingObjectTypes.IndexOf(TypeName)<0 then
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MissingObjectTypes.Add(TypeName);
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end;
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CurError:=CurError.NextError;
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end;
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DebugLn(['FixMissingComponentClasses Missing object types in unit: ',MissingObjectTypes.Text]);
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// keep all object types with a registered component class
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for i:=MissingObjectTypes.Count-1 downto 0 do begin
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RegComp:=IDEComponentPalette.FindComponent(MissingObjectTypes[i]);
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if (RegComp=nil) or (RegComp.GetUnitName='') then
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MissingObjectTypes.Delete(i);
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end;
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if MissingObjectTypes.Count=0 then exit;
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DebugLn(['FixMissingComponentClasses Missing object types, but luckily found in IDE: ',MissingObjectTypes.Text]);
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// there are missing object types with registered component classes
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Result:=PackageEditingInterface.AddUnitDependenciesForComponentClasses(
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PascalBuffer.Filename,MissingObjectTypes);
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if Result<>mrOk then begin
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DebugLn(['FixMissingComponentClasses Failed to add dependencies for ',MissingObjectTypes.Text]);
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exit;
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end;
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// check LFM again
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LFMTree.Free;
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LFMTree:=nil;
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if CodeToolBoss.CheckLFM(PascalBuffer,LFMBuffer,LFMTree,
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RootMustBeClassInIntf,ObjectsMustExists)
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then begin
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DebugLn(['FixMissingComponentClasses Success: All found errors fixed']);
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Result:=mrOk;
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end else begin
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Result:=mrCancel;
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end;
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finally
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MissingObjectTypes.Free;
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end;
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end;
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function CheckUnit: boolean;
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var
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NewCode: TCodeBuffer;
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NewX, NewY, NewTopLine: integer;
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ErrorMsg: string;
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MissingUnits: TStrings;
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s: String;
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begin
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Result:=false;
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// check syntax
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DebugLn(['CheckUnit Checking syntax ...']);
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if not CodeToolBoss.CheckSyntax(PascalBuffer,NewCode,NewX,NewY,NewTopLine,
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ErrorMsg)
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then begin
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WriteUnitError(NewCode,NewX,NewY,ErrorMsg);
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exit;
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end;
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// check used units
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MissingUnits:=nil;
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try
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DebugLn(['CheckUnit Checking used units ...']);
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if not CodeToolBoss.FindMissingUnits(PascalBuffer,MissingUnits,false,
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false)
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then begin
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WriteCodeToolsError;
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exit;
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end;
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if (MissingUnits<>nil) and (MissingUnits.Count>0) then begin
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s:=StringListToText(MissingUnits,',');
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WriteUnitError(PascalBuffer,1,1,'Units not found: '+s);
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exit;
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end;
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finally
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MissingUnits.Free;
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end;
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if NewTopLine=0 then ;
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Result:=true;
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end;
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begin
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Result:=mrCancel;
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if not CheckUnit then begin
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DebugLn(['CheckLFMBuffer failed parsing unit: ',PascalBuffer.Filename]);
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exit;
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end;
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LFMTree:=nil;
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try
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if CodeToolBoss.CheckLFM(PascalBuffer,LFMBuffer,LFMTree,
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RootMustBeClassInIntf,ObjectsMustExists)
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then begin
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DebugLn(['CheckLFMBuffer no errors found']);
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Result:=mrOk;
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exit;
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end;
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Result:=FixMissingComponentClasses;
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if Result in [mrAbort,mrOk] then begin
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DebugLn(['CheckLFMBuffer all errors fixed']);
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exit;
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end;
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WriteLFMErrors;
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Result:=ShowRepairLFMWizard(LFMBuffer,LFMTree);
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finally
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LFMTree.Free;
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end;
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end;
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function CheckLFMText(PascalBuffer: TCodeBuffer; var LFMText: string;
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const OnOutput: TOnAddFilteredLine;
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RootMustBeClassInIntf, ObjectsMustExists: boolean): TModalResult;
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var
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LFMBuf: TCodeBuffer;
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begin
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Result:=mrCancel;
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LFMBuf:=CodeToolBoss.CreateTempFile('temp.lfm');
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try
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LFMBuf.Source:=LFMText;
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Result:=CheckLFMBuffer(PascalBuffer,LFMBuf,OnOutput,RootMustBeClassInIntf,
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ObjectsMustExists);
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LFMText:=LFMBuf.Source;
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finally
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CodeToolBoss.ReleaseTempFile(LFMBuf);
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end;
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end;
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function ShowRepairLFMWizard(LFMBuffer: TCodeBuffer;
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LFMTree: TLFMTree): TModalResult;
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var
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CheckLFMDialog: TCheckLFMDialog;
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begin
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Result:=mrCancel;
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DebugLn(['ShowRepairLFMWizard START']);
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CheckLFMDialog:=TCheckLFMDialog.Create(nil);
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CheckLFMDialog.LFMTree:=LFMTree;
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CheckLFMDialog.LFMSource:=LFMBuffer;
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CheckLFMDialog.LoadLFM;
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Result:=CheckLFMDialog.ShowModal;
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DebugLn(['ShowRepairLFMWizard END']);
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CheckLFMDialog.Free;
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end;
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function RemoveDanglingEvents(RootComponent: TComponent;
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PascalBuffer: TCodeBuffer; OkOnCodeErrors: boolean; out
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ComponentModified: boolean): TModalResult;
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var
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ListOfPInstancePropInfo: TFPList;
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p: PInstancePropInfo;
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i: Integer;
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CurMethod: TMethod;
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CurMethodName: String;
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PropName: String;
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s: String;
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MsgResult: TModalResult;
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begin
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ListOfPInstancePropInfo:=nil;
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try
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// find all dangling events
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//debugln('RemoveDanglingEvents A ',PascalBuffer.Filename,' ',DbgSName(RootComponent));
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if not CodeToolBoss.FindDanglingComponentEvents(PascalBuffer,
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RootComponent.ClassName,RootComponent,false,true,ListOfPInstancePropInfo)
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then begin
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//debugln('RemoveDanglingEvents Errors in code');
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if OkOnCodeErrors then
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exit(mrOk)
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else
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exit(mrCancel);
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end;
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if ListOfPInstancePropInfo=nil then
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exit(mrOk);
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// show the user the list of dangling events
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//debugln('RemoveDanglingEvents Dangling Events: Count=',dbgs(ListOfPInstancePropInfo.Count));
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s:='';
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for i:=0 to ListOfPInstancePropInfo.Count-1 do begin
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p:=PInstancePropInfo(ListOfPInstancePropInfo[i]);
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PropName:=p^.PropInfo^.Name;
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CurMethod:=GetMethodProp(p^.Instance,p^.PropInfo);
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CurMethodName:=GlobalDesignHook.GetMethodName(CurMethod,nil);
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s:=s+DbgSName(p^.Instance)+' '+PropName+'='+CurMethodName+#13;
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end;
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//debugln('RemoveDanglingEvents ',s);
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MsgResult:=QuestionDlg(lisMissingEvents,
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Format(lisTheFollowingMethodsUsedByAreNotInTheSourceRemoveTh, [DbgSName(
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RootComponent), #13, PascalBuffer.Filename, #13, #13, s, #13])
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,mtConfirmation,
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[mrYes, lisRemoveThem, mrIgnore, lisKeepThemAndContinue, mrCancel],
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0);
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if MsgResult=mrYes then begin
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ClearDanglingEvents(ListOfPInstancePropInfo);
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ComponentModified:=true;
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end else if MsgResult=mrIgnore then
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exit(mrOk)
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else
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exit(mrCancel);
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finally
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FreeListOfPInstancePropInfo(ListOfPInstancePropInfo);
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end;
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Result:=mrOk;
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end;
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procedure ClearDanglingEvents(ListOfPInstancePropInfo: TFPList);
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const
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EmtpyMethod: TMethod = (code:nil; data:nil);
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var
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i: Integer;
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p: PInstancePropInfo;
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begin
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if ListOfPInstancePropInfo=nil then exit;
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for i:=0 to ListOfPInstancePropInfo.Count-1 do begin
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p:=PInstancePropInfo(ListOfPInstancePropInfo[i]);
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debugln('ClearDanglingEvents ',DbgSName(p^.Instance),' ',p^.PropInfo^.Name);
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SetMethodProp(p^.Instance,p^.PropInfo,EmtpyMethod);
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end;
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end;
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{ TCheckLFMDialog }
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procedure TCheckLFMDialog.RemoveAllButtonClick(Sender: TObject);
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var
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CurError: TLFMError;
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DeleteNode: TLFMTreeNode;
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StartPos, EndPos: integer;
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Replacements: TList;
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begin
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Replacements:=TList.Create;
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try
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// automatically delete each error location
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CurError:=LFMTree.LastError;
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while CurError<>nil do begin
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DeleteNode:=CurError.FindContextNode;
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if (DeleteNode<>nil) and (DeleteNode.Parent<>nil) then begin
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FindNiceNodeBounds(DeleteNode,StartPos,EndPos);
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AddReplacement(Replacements,StartPos,EndPos,'');
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end;
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CurError:=CurError.PrevError;
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end;
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if ApplyReplacements(Replacements) then
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ModalResult:=mrOk;
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finally
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Replacements.Free;
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end;
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end;
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procedure TCheckLFMDialog.ErrorsListBoxClick(Sender: TObject);
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begin
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JumpToError(FindListBoxError);
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end;
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procedure TCheckLFMDialog.LFMSynEditSpecialLineColors(Sender: TObject;
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Line: integer; var Special: boolean; var FG, BG: TColor);
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var
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CurError: TLFMError;
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begin
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CurError:=LFMTree.FindErrorAtLine(Line);
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if CurError<>nil then begin
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EditorOpts.GetSpecialLineColors(SynLFMSyn1,ahaErrorLine,Special,FG,BG);
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end;
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end;
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procedure TCheckLFMDialog.CheckLFMDialogCREATE(Sender: TObject);
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begin
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Caption:=lisFixLFMFile;
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Position:=poScreenCenter;
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IDEDialogLayoutList.ApplyLayout(Self,600,400);
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SetupComponents;
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end;
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procedure TCheckLFMDialog.SetLFMSource(const AValue: TCodeBuffer);
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begin
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if FLFMSource=AValue then exit;
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FLFMSource:=AValue;
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end;
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procedure TCheckLFMDialog.SetLFMTree(const AValue: TLFMTree);
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begin
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if FLFMTree=AValue then exit;
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FLFMTree:=AValue;
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RemoveAllButton.Enabled:=AutomaticFixIsPossible;
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end;
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procedure TCheckLFMDialog.SetupComponents;
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begin
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NoteLabel.Caption:=lisTheLFMLazarusFormFileContainsInvalidPropertiesThis;
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CancelButton.Caption:=dlgCancel;
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ErrorsGroupBox.Caption:=lisErrors;
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LFMGroupBox.Caption:=lisLFMFile;
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RemoveAllButton.Caption:=lisRemoveAllInvalidProperties;
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EditorOpts.GetHighlighterSettings(SynLFMSyn1);
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EditorOpts.GetSynEditSettings(LFMSynEdit);
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end;
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function TCheckLFMDialog.FindListBoxError: TLFMError;
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var
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i: Integer;
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begin
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Result:=nil;
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i:=ErrorsListBox.ItemIndex;
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if (i<0) or (i>=ErrorsListBox.Items.Count) then exit;
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Result:=LFMTree.FirstError;
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while Result<>nil do begin
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if i=0 then exit;
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Result:=Result.NextError;
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dec(i);
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end;
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end;
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procedure TCheckLFMDialog.JumpToError(LFMError: TLFMError);
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begin
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if LFMError=nil then exit;
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LFMSynEdit.CaretXY:=LFMError.Caret;
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end;
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procedure TCheckLFMDialog.FindNiceNodeBounds(LFMNode: TLFMTreeNode;
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var StartPos, EndPos: integer);
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var
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Src: String;
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begin
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Src:=LFMSource.Source;
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StartPos:=FindLineEndOrCodeInFrontOfPosition(Src,LFMNode.StartPos,1,false,true);
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EndPos:=FindLineEndOrCodeInFrontOfPosition(Src,LFMNode.EndPos,1,false,true);
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EndPos:=FindLineEndOrCodeAfterPosition(Src,EndPos,length(Src),false);
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end;
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procedure TCheckLFMDialog.AddReplacement(LFMChangeList: TList;
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StartPos, EndPos: integer; const NewText: string);
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var
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Entry: TLFMChangeEntry;
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NewEntry: TLFMChangeEntry;
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i: Integer;
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begin
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if StartPos>EndPos then
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RaiseException('TCheckLFMDialog.AddReplaceMent StartPos>EndPos');
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// check for intersection
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for i:=0 to LFMChangeList.Count-1 do begin
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|
Entry:=TLFMChangeEntry(LFMChangeList[i]);
|
|
if ((Entry.StartPos<EndPos) and (Entry.EndPos>StartPos)) then begin
|
|
// New and Entry intersects
|
|
if (Entry.NewText='') and (NewText='') then begin
|
|
// both are deletes => combine
|
|
debugln('TCheckLFMDialog.AddReplacement Combine Deletion: Old=',dbgs(Entry.StartPos),'-',dbgs(Entry.EndPos),' New=',dbgs(StartPos),'-',dbgs(EndPos));
|
|
StartPos:=Min(StartPos,Entry.StartPos);
|
|
EndPos:=Max(EndPos,Entry.EndPos);
|
|
end else begin
|
|
// not allowed
|
|
RaiseException('TCheckLFMDialog.AddReplaceMent invalid Intersection');
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
// combine deletions
|
|
if NewText='' then begin
|
|
for i:=LFMChangeList.Count-1 downto 0 do begin
|
|
Entry:=TLFMChangeEntry(LFMChangeList[i]);
|
|
if ((Entry.StartPos<EndPos) and (Entry.EndPos>StartPos)) then begin
|
|
// New and Entry intersects
|
|
// -> remove Entry
|
|
debugln('TCheckLFMDialog.AddReplacement Intersecting Deletion: Old=',dbgs(Entry.StartPos),'-',dbgs(Entry.EndPos),' New=',dbgs(StartPos),'-',dbgs(EndPos));
|
|
LFMChangeList.Delete(i);
|
|
Entry.Free;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
// insert new entry
|
|
NewEntry:=TLFMChangeEntry.Create;
|
|
NewEntry.NewText:=NewText;
|
|
NewEntry.StartPos:=StartPos;
|
|
NewEntry.EndPos:=EndPos;
|
|
if LFMChangeList.Count=0 then begin
|
|
LFMChangeList.Add(NewEntry);
|
|
end else begin
|
|
for i:=0 to LFMChangeList.Count-1 do begin
|
|
Entry:=TLFMChangeEntry(LFMChangeList[i]);
|
|
if EndPos<=Entry.StartPos then begin
|
|
// insert in front
|
|
LFMChangeList.Insert(i,NewEntry);
|
|
break;
|
|
end else if i=LFMChangeList.Count-1 then begin
|
|
// insert behind
|
|
LFMChangeList.Add(NewEntry);
|
|
break;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
function TCheckLFMDialog.ApplyReplacements(LFMChangeList: TList): boolean;
|
|
var
|
|
i: Integer;
|
|
Entry: TLFMChangeEntry;
|
|
begin
|
|
Result:=false;
|
|
//writeln(LFMSource.Source);
|
|
for i:=LFMChangeList.Count-1 downto 0 do begin
|
|
Entry:=TLFMChangeEntry(LFMChangeList[i]);
|
|
DebugLn('TCheckLFMDialog.ApplyReplacements A ',IntToStr(i),' ',
|
|
IntToStr(Entry.StartPos),',',IntToStr(Entry.EndPos),
|
|
' "',copy(LFMSource.Source,Entry.StartPos,Entry.EndPos-Entry.StartPos),'" -> "',Entry.NewText,'"');
|
|
LFMSource.Replace(Entry.StartPos,Entry.EndPos-Entry.StartPos,Entry.NewText);
|
|
end;
|
|
//writeln(LFMSource.Source);
|
|
Result:=true;
|
|
end;
|
|
|
|
procedure TCheckLFMDialog.LoadLFM;
|
|
begin
|
|
LFMSynEdit.Lines.Text:=LFMSource.Source;
|
|
FillErrorsListBox;
|
|
end;
|
|
|
|
procedure TCheckLFMDialog.FillErrorsListBox;
|
|
var
|
|
CurError: TLFMError;
|
|
Filename: String;
|
|
Msg: String;
|
|
begin
|
|
ErrorsListBox.Items.BeginUpdate;
|
|
ErrorsListBox.Items.Clear;
|
|
if LFMTree<>nil then begin
|
|
Filename:=ExtractFileName(LFMSource.Filename);
|
|
CurError:=LFMTree.FirstError;
|
|
while CurError<>nil do begin
|
|
Msg:=Filename
|
|
+'('+IntToStr(CurError.Caret.Y)+','+IntToStr(CurError.Caret.X)+')'
|
|
+' Error: '
|
|
+CurError.ErrorMessage;
|
|
ErrorsListBox.Items.Add(Msg);
|
|
CurError:=CurError.NextError;
|
|
end;
|
|
end;
|
|
ErrorsListBox.Items.EndUpdate;
|
|
end;
|
|
|
|
function TCheckLFMDialog.AutomaticFixIsPossible: boolean;
|
|
var
|
|
CurError: TLFMError;
|
|
begin
|
|
Result:=true;
|
|
CurError:=LFMTree.FirstError;
|
|
while CurError<>nil do begin
|
|
if CurError.ErrorType in [lfmeNoError,lfmeIdentifierNotFound,
|
|
lfmeObjectNameMissing,lfmeObjectIncompatible,lfmePropertyNameMissing,
|
|
lfmePropertyHasNoSubProperties,lfmeIdentifierNotPublished]
|
|
then begin
|
|
// these things can be fixed automatically
|
|
end else begin
|
|
// these not
|
|
Result:=false;
|
|
exit;
|
|
end;
|
|
CurError:=CurError.NextError;
|
|
end;
|
|
end;
|
|
|
|
initialization
|
|
{$I checklfmdlg.lrs}
|
|
|
|
end.
|
|
|