mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
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426 lines
12 KiB
ObjectPascal
426 lines
12 KiB
ObjectPascal
{ ----------------------------------------------
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inspectdlg.pas - Inspect Dialog
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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 InspectDlg;
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{$mode objfpc}{$H+}
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interface
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uses
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Classes, SysUtils, TypInfo, FileUtil, Forms, Controls, Graphics,
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Dialogs, ComCtrls, ObjectInspector, PropEdits, Debugger, DebuggerDlg, BaseDebugManager,
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LazarusIDEStrConsts, IDEWindowIntf, LCLProc, LCLType, Grids, StdCtrls;
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type
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{ TOIDBGGrid }
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TOIDBGGrid=class(TOIPropertyGrid)
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private
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protected
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procedure BuildPropertyList(OnlyIfNeeded: boolean=false);
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public
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end;
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{ TIDEInspectDlg }
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TIDEInspectDlg = class(TDebuggerDlg)
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EditInspected: TEdit;
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PageControl: TPageControl;
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StatusBar1: TStatusBar;
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DataPage: TTabSheet;
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PropertiesPage: TTabSheet;
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MethodsPage: TTabSheet;
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procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
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procedure FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
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private
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FDataGridHook,
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FPropertiesGridHook,
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FMethodsGridHook: TPropertyEditorHook;
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FDataGrid,
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FPropertiesGrid,
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FMethodsGrid: TOIDBGGrid;
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FExpression: ansistring;
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FHumanReadable: ansistring;
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FDBGInfo: TDBGType;
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FGridData: TStringGrid;
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FGridMethods: TStringGrid;
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procedure Localize;
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procedure InspectClass;
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procedure InspectRecord;
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procedure InspectVariant;
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procedure InspectSimple;
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procedure InspectPointer;
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procedure GridDataSetup;
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procedure GridMethodsSetup;
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procedure ShowDataFields;
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procedure ShowMethodsFields;
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protected
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public
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constructor Create(AOwner: TComponent); override;
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destructor Destroy; override;
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procedure Execute(const AExpression: ansistring);
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end;
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implementation
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{$R *.lfm}
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{ TIDEInspectDlg }
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procedure TIDEInspectDlg.FormClose(Sender: TObject; var CloseAction: TCloseAction);
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begin
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IDEDialogLayoutList.SaveLayout(Self);
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end;
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procedure TIDEInspectDlg.FormKeyDown(Sender: TObject; var Key: Word;
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Shift: TShiftState);
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begin
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if Key = VK_ESCAPE then
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Close;
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end;
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procedure TIDEInspectDlg.Localize;
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begin
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Caption := lisInspectDialog;
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DataPage.Caption := lisInspectData;
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PropertiesPage.Caption := lisInspectProperties;
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MethodsPage.Caption := lisInspectMethods;
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end;
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procedure TIDEInspectDlg.InspectClass;
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begin
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DataPage.TabVisible:=true;
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PropertiesPage.TabVisible:=false;
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MethodsPage.TabVisible:=true;
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if not Assigned(FDBGInfo) then exit;
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if not Assigned(FDBGInfo.Fields) then exit;
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EditInspected.Text:=FExpression+' : Class '+FDBGInfo.TypeName+' inherits from '+FDBGInfo.Ancestor;
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GridDataSetup;
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ShowDataFields;
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FGridData.AutoSizeColumn(1);
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FGridData.AutoSizeColumn(2);
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GridMethodsSetup;
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ShowMethodsFields;
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FGridMethods.AutoSizeColumn(1);
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FGridMethods.AutoSizeColumn(3);
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end;
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procedure TIDEInspectDlg.InspectVariant;
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begin
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DataPage.TabVisible:=true;
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PropertiesPage.TabVisible:=false;
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MethodsPage.TabVisible:=false;
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if not Assigned(FDBGInfo) then exit;
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EditInspected.Text:=FExpression+' : Variant';
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GridDataSetup;
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FGridData.Cells[0,1]:=FExpression;
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FGridData.Cells[1,1]:='Variant';
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FGridData.Cells[2,1]:=FDBGInfo.Value.AsString;
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FGridData.AutoSizeColumn(1);
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end;
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procedure TIDEInspectDlg.InspectRecord;
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begin
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DataPage.TabVisible:=true;
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PropertiesPage.TabVisible:=false;
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MethodsPage.TabVisible:=false;
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if not Assigned(FDBGInfo) then exit;
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if not Assigned(FDBGInfo.Fields) then exit;
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EditInspected.Text:=FExpression+' : '+FDBGInfo.TypeName;
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GridDataSetup;
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ShowDataFields;
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FGridData.AutoSizeColumn(2);
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end;
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procedure TIDEInspectDlg.InspectSimple;
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begin
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DataPage.TabVisible:=true;
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PropertiesPage.TabVisible:=false;
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MethodsPage.TabVisible:=false;
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if not Assigned(FDBGInfo) then exit;
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EditInspected.Text:=FExpression+' : '+FDBGInfo.TypeName + ' = ' + FDBGInfo.Value.AsString;
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GridDataSetup;
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FGridData.Cells[0,1]:=FExpression;
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FGridData.Cells[1,1]:=FDBGInfo.TypeName;
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FGridData.Cells[2,1]:=FDBGInfo.Value.AsString;
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FGridData.AutoSizeColumn(2);
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end;
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procedure TIDEInspectDlg.InspectPointer;
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begin
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DataPage.TabVisible:=true;
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PropertiesPage.TabVisible:=false;
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MethodsPage.TabVisible:=false;
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if not Assigned(FDBGInfo) then exit;
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EditInspected.Text:=FExpression+' : ^'+FDBGInfo.TypeName + ' = ' + FDBGInfo.Value.AsString;
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GridDataSetup;
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FGridData.Cells[0,1]:=FExpression;
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FGridData.Cells[1,1]:='Pointer to '+FDBGInfo.TypeName;
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FGridData.Cells[2,1]:=format('$%x',[PtrUInt(FDBGInfo.Value.AsPointer)]);
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FGridData.AutoSizeColumn(2);
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end;
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procedure TIDEInspectDlg.GridDataSetup;
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begin
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with FGridData do begin
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Clear;
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BorderStyle:=bsNone;
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BorderWidth:=0;
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DefaultColWidth:=100;
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Options:=[goColSizing,goDblClickAutoSize,goDrawFocusSelected,
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goVertLine,goHorzLine,goFixedHorzLine,goSmoothScroll,
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goTabs,goScrollKeepVisible,goRowSelect];
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Align:=alClient;
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TitleFont.Style:=[fsBold];
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ExtendedSelect:=false;
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RowCount:=2;
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FixedRows:=1;
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FixedCols:=0;
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ColCount:=3;
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Cols[0].Text:='Name';
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Cols[1].Text:='Type';
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Cols[2].Text:='Value';
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Color:=clBtnFace;
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end;
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end;
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procedure TIDEInspectDlg.GridMethodsSetup;
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begin
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with FGridMethods do begin
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Clear;
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BorderStyle:=bsNone;
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BorderWidth:=0;
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DefaultColWidth:=100;
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Options:=[goColSizing,goDblClickAutoSize,goDrawFocusSelected,
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goVertLine,goHorzLine,goFixedHorzLine,goSmoothScroll,
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goTabs,goScrollKeepVisible,goRowSelect];
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Align:=alClient;
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TitleFont.Style:=[fsBold];
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ExtendedSelect:=false;
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RowCount:=2;
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FixedRows:=1;
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FixedCols:=0;
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ColCount:=4;
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Cols[0].Text:='Name';
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Cols[1].Text:='Type';
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Cols[2].Text:='Returns';
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Cols[3].Text:='Address';
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Color:=clBtnFace;
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end;
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end;
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procedure TIDEInspectDlg.ShowDataFields;
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var
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j,k: SizeInt;
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begin
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k:=0;
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for j := 0 to FDBGInfo.Fields.Count-1 do begin
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case FDBGInfo.Fields[j].DBGType.Kind of
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skSimple,skRecord,skPointer: inc(k);
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end;
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end;
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k:=k+1;
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if k<2 Then k:=2;
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FGridData.RowCount:=k;
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k:=0;
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for j := 0 to FDBGInfo.Fields.Count-1 do begin
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case FDBGInfo.Fields[j].DBGType.Kind of
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skSimple:
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begin
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inc(k);
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FGridData.Cells[0,k]:=FDBGInfo.Fields[j].Name;
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FGridData.Cells[1,k]:=FDBGInfo.Fields[j].DBGType.TypeName;
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if FDBGInfo.Fields[j].DBGType.Value.AsString='$0' then begin
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if FDBGInfo.Fields[j].DBGType.TypeName='ANSISTRING' then begin
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FGridData.Cells[2,k]:='''''';
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end else begin
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FGridData.Cells[2,k]:='nil';
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end;
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end else begin
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FGridData.Cells[2,k]:=FDBGInfo.Fields[j].DBGType.Value.AsString;
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end;
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end;
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skRecord:
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begin
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inc(k);
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FGridData.Cells[0,k]:=FDBGInfo.Fields[j].Name;
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FGridData.Cells[1,k]:='Record '+FDBGInfo.Fields[j].DBGType.TypeName;
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FGridData.Cells[2,k]:=FDBGInfo.Fields[j].DBGType.Value.AsString;
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end;
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skVariant:
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begin
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inc(k);
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FGridData.Cells[0,k]:=FDBGInfo.Fields[j].Name;
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FGridData.Cells[1,k]:='Variant';
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FGridData.Cells[2,k]:=FDBGInfo.Fields[j].DBGType.Value.AsString;
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end;
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skProcedure:
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begin
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end;
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skFunction:
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begin
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end;
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skPointer:
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begin
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inc(k);
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FGridData.Cells[0,k]:=FDBGInfo.Fields[j].Name;
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FGridData.Cells[1,k]:='Pointer '+FDBGInfo.Fields[j].DBGType.TypeName;
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FGridData.Cells[2,k]:=FDBGInfo.Fields[j].DBGType.Value.AsString;
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end;
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else
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raise Exception.Create('Inspect: Unknown type in record ->'+inttostr(ord(FDBGInfo.Fields[j].DBGType.Kind)));
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end;
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end;
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end;
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procedure TIDEInspectDlg.ShowMethodsFields;
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var
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j,k: SizeInt;
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begin
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k:=0;
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for j := 0 to FDBGInfo.Fields.Count-1 do begin
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case FDBGInfo.Fields[j].DBGType.Kind of
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skProcedure,skFunction: inc(k);
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end;
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end;
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k:=k+1;
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if k<2 Then k:=2;
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FGridMethods.RowCount:=k;
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k:=0;
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for j := 0 to FDBGInfo.Fields.Count-1 do begin
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case FDBGInfo.Fields[j].DBGType.Kind of
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skProcedure:
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begin
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inc(k);
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FGridMethods.Cells[0,k]:=FDBGInfo.Fields[j].Name;
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if ffDestructor in FDBGInfo.Fields[j].Flags then begin
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FGridMethods.Cells[1,k]:='Destructor';
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end else begin
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FGridMethods.Cells[1,k]:='Procedure';
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end;
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FGridMethods.Cells[2,k]:='';
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FGridMethods.Cells[3,k]:='???';
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end;
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skFunction:
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begin
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inc(k);
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FGridMethods.Cells[0,k]:=FDBGInfo.Fields[j].Name;
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if ffConstructor in FDBGInfo.Fields[j].Flags then begin
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FGridMethods.Cells[1,k]:='Constructor';
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end else begin
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FGridMethods.Cells[1,k]:='Function';
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end;
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if Assigned(FDBGInfo.Fields[j].DBGType.Result) then begin
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FGridMethods.Cells[2,k]:=FDBGInfo.Fields[j].DBGType.Result.TypeName;
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end else begin
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FGridMethods.Cells[2,k]:='';
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end;
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FGridMethods.Cells[3,k]:='???';
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end;
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end;
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end;
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end;
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constructor TIDEInspectDlg.Create(AOwner: TComponent);
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function NewGrid(AName: String; AParent: TWinControl; AHook: TPropertyEditorHook): TOIDBGGrid;
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begin
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Result := TOIDBGGrid.Create(Self);
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with Result do
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begin
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Name := AName;
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Parent := AParent;
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Visible := True;
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Align := alClient;
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end;
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end;
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begin
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inherited Create(AOwner);
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FDataGridHook := TPropertyEditorHook.Create;
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FDataGrid := NewGrid('DataGrid', DataPage, FDataGridHook);
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FPropertiesGridHook := TPropertyEditorHook.Create;
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FPropertiesGrid := NewGrid('PropertiesGrid', PropertiesPage, FPropertiesGridHook);
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FMethodsGridHook := TPropertyEditorHook.Create;
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FMethodsGrid := NewGrid('MethodsGrid', MethodsPage, FMethodsGridHook);
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Localize;
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IDEDialogLayoutList.ApplyLayout(Self, 260, 400);
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FGridData:=TStringGrid.Create(DataPage);
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DataPage.InsertControl(FGridData);
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GridDataSetup;
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FGridMethods:=TStringGrid.Create(MethodsPage);
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MethodsPage.InsertControl(FGridMethods);
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GridMethodsSetup;
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end;
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destructor TIDEInspectDlg.Destroy;
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begin
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FreeAndNil(FDBGInfo);
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FreeAndNil(FDataGridHook);
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FreeAndNil(FPropertiesGridHook);
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FreeAndNil(FMethodsGridHook);
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inherited Destroy;
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end;
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procedure TIDEInspectDlg.Execute(const AExpression: ansistring);
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begin
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FExpression:='';
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FreeAndNil(FDBGInfo);
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if not DebugBoss.Evaluate(AExpression,FHumanReadable,FDBGInfo) or not assigned(FDBGInfo) then
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begin
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FreeAndNil(FDBGInfo);
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Exit;
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end;
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FExpression:=AExpression;
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case FDBGInfo.Kind of
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skClass: InspectClass();
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skRecord: InspectRecord();
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skVariant: InspectVariant();
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// skEnum: ;
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// skSet: ;
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// skProcedure: ;
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// skFunction: ;
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skSimple: InspectSimple();
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skPointer: InspectPointer();
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// skDecomposable: ;
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end;
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end;
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{ TOIDBGGrid }
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procedure TOIDBGGrid.BuildPropertyList(OnlyIfNeeded: boolean);
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begin
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end;
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end.
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