lazarus/debugger/inspectdlg.pas
2010-01-15 02:41:46 +00:00

426 lines
12 KiB
ObjectPascal

{ ----------------------------------------------
inspectdlg.pas - Inspect Dialog
----------------------------------------------
***************************************************************************
* *
* This source is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This code is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* General Public License for more details. *
* *
* A copy of the GNU General Public License is available on the World *
* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
* obtain it by writing to the Free Software Foundation, *
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
* *
***************************************************************************
}
unit InspectDlg;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, TypInfo, FileUtil, Forms, Controls, Graphics,
Dialogs, ComCtrls, ObjectInspector, PropEdits, Debugger, DebuggerDlg, BaseDebugManager,
LazarusIDEStrConsts, IDEWindowIntf, LCLProc, LCLType, Grids, StdCtrls;
type
{ TOIDBGGrid }
TOIDBGGrid=class(TOIPropertyGrid)
private
protected
procedure BuildPropertyList(OnlyIfNeeded: boolean=false);
public
end;
{ TIDEInspectDlg }
TIDEInspectDlg = class(TDebuggerDlg)
EditInspected: TEdit;
PageControl: TPageControl;
StatusBar1: TStatusBar;
DataPage: TTabSheet;
PropertiesPage: TTabSheet;
MethodsPage: TTabSheet;
procedure FormClose(Sender: TObject; var CloseAction: TCloseAction);
procedure FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
private
FDataGridHook,
FPropertiesGridHook,
FMethodsGridHook: TPropertyEditorHook;
FDataGrid,
FPropertiesGrid,
FMethodsGrid: TOIDBGGrid;
FExpression: ansistring;
FHumanReadable: ansistring;
FDBGInfo: TDBGType;
FGridData: TStringGrid;
FGridMethods: TStringGrid;
procedure Localize;
procedure InspectClass;
procedure InspectRecord;
procedure InspectVariant;
procedure InspectSimple;
procedure InspectPointer;
procedure GridDataSetup;
procedure GridMethodsSetup;
procedure ShowDataFields;
procedure ShowMethodsFields;
protected
public
constructor Create(AOwner: TComponent); override;
destructor Destroy; override;
procedure Execute(const AExpression: ansistring);
end;
implementation
{$R *.lfm}
{ TIDEInspectDlg }
procedure TIDEInspectDlg.FormClose(Sender: TObject; var CloseAction: TCloseAction);
begin
IDEDialogLayoutList.SaveLayout(Self);
end;
procedure TIDEInspectDlg.FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
if Key = VK_ESCAPE then
Close;
end;
procedure TIDEInspectDlg.Localize;
begin
Caption := lisInspectDialog;
DataPage.Caption := lisInspectData;
PropertiesPage.Caption := lisInspectProperties;
MethodsPage.Caption := lisInspectMethods;
end;
procedure TIDEInspectDlg.InspectClass;
begin
DataPage.TabVisible:=true;
PropertiesPage.TabVisible:=false;
MethodsPage.TabVisible:=true;
if not Assigned(FDBGInfo) then exit;
if not Assigned(FDBGInfo.Fields) then exit;
EditInspected.Text:=FExpression+' : Class '+FDBGInfo.TypeName+' inherits from '+FDBGInfo.Ancestor;
GridDataSetup;
ShowDataFields;
FGridData.AutoSizeColumn(1);
FGridData.AutoSizeColumn(2);
GridMethodsSetup;
ShowMethodsFields;
FGridMethods.AutoSizeColumn(1);
FGridMethods.AutoSizeColumn(3);
end;
procedure TIDEInspectDlg.InspectVariant;
begin
DataPage.TabVisible:=true;
PropertiesPage.TabVisible:=false;
MethodsPage.TabVisible:=false;
if not Assigned(FDBGInfo) then exit;
EditInspected.Text:=FExpression+' : Variant';
GridDataSetup;
FGridData.Cells[0,1]:=FExpression;
FGridData.Cells[1,1]:='Variant';
FGridData.Cells[2,1]:=FDBGInfo.Value.AsString;
FGridData.AutoSizeColumn(1);
end;
procedure TIDEInspectDlg.InspectRecord;
begin
DataPage.TabVisible:=true;
PropertiesPage.TabVisible:=false;
MethodsPage.TabVisible:=false;
if not Assigned(FDBGInfo) then exit;
if not Assigned(FDBGInfo.Fields) then exit;
EditInspected.Text:=FExpression+' : '+FDBGInfo.TypeName;
GridDataSetup;
ShowDataFields;
FGridData.AutoSizeColumn(2);
end;
procedure TIDEInspectDlg.InspectSimple;
begin
DataPage.TabVisible:=true;
PropertiesPage.TabVisible:=false;
MethodsPage.TabVisible:=false;
if not Assigned(FDBGInfo) then exit;
EditInspected.Text:=FExpression+' : '+FDBGInfo.TypeName + ' = ' + FDBGInfo.Value.AsString;
GridDataSetup;
FGridData.Cells[0,1]:=FExpression;
FGridData.Cells[1,1]:=FDBGInfo.TypeName;
FGridData.Cells[2,1]:=FDBGInfo.Value.AsString;
FGridData.AutoSizeColumn(2);
end;
procedure TIDEInspectDlg.InspectPointer;
begin
DataPage.TabVisible:=true;
PropertiesPage.TabVisible:=false;
MethodsPage.TabVisible:=false;
if not Assigned(FDBGInfo) then exit;
EditInspected.Text:=FExpression+' : ^'+FDBGInfo.TypeName + ' = ' + FDBGInfo.Value.AsString;
GridDataSetup;
FGridData.Cells[0,1]:=FExpression;
FGridData.Cells[1,1]:='Pointer to '+FDBGInfo.TypeName;
FGridData.Cells[2,1]:=format('$%x',[PtrUInt(FDBGInfo.Value.AsPointer)]);
FGridData.AutoSizeColumn(2);
end;
procedure TIDEInspectDlg.GridDataSetup;
begin
with FGridData do begin
Clear;
BorderStyle:=bsNone;
BorderWidth:=0;
DefaultColWidth:=100;
Options:=[goColSizing,goDblClickAutoSize,goDrawFocusSelected,
goVertLine,goHorzLine,goFixedHorzLine,goSmoothScroll,
goTabs,goScrollKeepVisible,goRowSelect];
Align:=alClient;
TitleFont.Style:=[fsBold];
ExtendedSelect:=false;
RowCount:=2;
FixedRows:=1;
FixedCols:=0;
ColCount:=3;
Cols[0].Text:='Name';
Cols[1].Text:='Type';
Cols[2].Text:='Value';
Color:=clBtnFace;
end;
end;
procedure TIDEInspectDlg.GridMethodsSetup;
begin
with FGridMethods do begin
Clear;
BorderStyle:=bsNone;
BorderWidth:=0;
DefaultColWidth:=100;
Options:=[goColSizing,goDblClickAutoSize,goDrawFocusSelected,
goVertLine,goHorzLine,goFixedHorzLine,goSmoothScroll,
goTabs,goScrollKeepVisible,goRowSelect];
Align:=alClient;
TitleFont.Style:=[fsBold];
ExtendedSelect:=false;
RowCount:=2;
FixedRows:=1;
FixedCols:=0;
ColCount:=4;
Cols[0].Text:='Name';
Cols[1].Text:='Type';
Cols[2].Text:='Returns';
Cols[3].Text:='Address';
Color:=clBtnFace;
end;
end;
procedure TIDEInspectDlg.ShowDataFields;
var
j,k: SizeInt;
begin
k:=0;
for j := 0 to FDBGInfo.Fields.Count-1 do begin
case FDBGInfo.Fields[j].DBGType.Kind of
skSimple,skRecord,skPointer: inc(k);
end;
end;
k:=k+1;
if k<2 Then k:=2;
FGridData.RowCount:=k;
k:=0;
for j := 0 to FDBGInfo.Fields.Count-1 do begin
case FDBGInfo.Fields[j].DBGType.Kind of
skSimple:
begin
inc(k);
FGridData.Cells[0,k]:=FDBGInfo.Fields[j].Name;
FGridData.Cells[1,k]:=FDBGInfo.Fields[j].DBGType.TypeName;
if FDBGInfo.Fields[j].DBGType.Value.AsString='$0' then begin
if FDBGInfo.Fields[j].DBGType.TypeName='ANSISTRING' then begin
FGridData.Cells[2,k]:='''''';
end else begin
FGridData.Cells[2,k]:='nil';
end;
end else begin
FGridData.Cells[2,k]:=FDBGInfo.Fields[j].DBGType.Value.AsString;
end;
end;
skRecord:
begin
inc(k);
FGridData.Cells[0,k]:=FDBGInfo.Fields[j].Name;
FGridData.Cells[1,k]:='Record '+FDBGInfo.Fields[j].DBGType.TypeName;
FGridData.Cells[2,k]:=FDBGInfo.Fields[j].DBGType.Value.AsString;
end;
skVariant:
begin
inc(k);
FGridData.Cells[0,k]:=FDBGInfo.Fields[j].Name;
FGridData.Cells[1,k]:='Variant';
FGridData.Cells[2,k]:=FDBGInfo.Fields[j].DBGType.Value.AsString;
end;
skProcedure:
begin
end;
skFunction:
begin
end;
skPointer:
begin
inc(k);
FGridData.Cells[0,k]:=FDBGInfo.Fields[j].Name;
FGridData.Cells[1,k]:='Pointer '+FDBGInfo.Fields[j].DBGType.TypeName;
FGridData.Cells[2,k]:=FDBGInfo.Fields[j].DBGType.Value.AsString;
end;
else
raise Exception.Create('Inspect: Unknown type in record ->'+inttostr(ord(FDBGInfo.Fields[j].DBGType.Kind)));
end;
end;
end;
procedure TIDEInspectDlg.ShowMethodsFields;
var
j,k: SizeInt;
begin
k:=0;
for j := 0 to FDBGInfo.Fields.Count-1 do begin
case FDBGInfo.Fields[j].DBGType.Kind of
skProcedure,skFunction: inc(k);
end;
end;
k:=k+1;
if k<2 Then k:=2;
FGridMethods.RowCount:=k;
k:=0;
for j := 0 to FDBGInfo.Fields.Count-1 do begin
case FDBGInfo.Fields[j].DBGType.Kind of
skProcedure:
begin
inc(k);
FGridMethods.Cells[0,k]:=FDBGInfo.Fields[j].Name;
if ffDestructor in FDBGInfo.Fields[j].Flags then begin
FGridMethods.Cells[1,k]:='Destructor';
end else begin
FGridMethods.Cells[1,k]:='Procedure';
end;
FGridMethods.Cells[2,k]:='';
FGridMethods.Cells[3,k]:='???';
end;
skFunction:
begin
inc(k);
FGridMethods.Cells[0,k]:=FDBGInfo.Fields[j].Name;
if ffConstructor in FDBGInfo.Fields[j].Flags then begin
FGridMethods.Cells[1,k]:='Constructor';
end else begin
FGridMethods.Cells[1,k]:='Function';
end;
if Assigned(FDBGInfo.Fields[j].DBGType.Result) then begin
FGridMethods.Cells[2,k]:=FDBGInfo.Fields[j].DBGType.Result.TypeName;
end else begin
FGridMethods.Cells[2,k]:='';
end;
FGridMethods.Cells[3,k]:='???';
end;
end;
end;
end;
constructor TIDEInspectDlg.Create(AOwner: TComponent);
function NewGrid(AName: String; AParent: TWinControl; AHook: TPropertyEditorHook): TOIDBGGrid;
begin
Result := TOIDBGGrid.Create(Self);
with Result do
begin
Name := AName;
Parent := AParent;
Visible := True;
Align := alClient;
end;
end;
begin
inherited Create(AOwner);
FDataGridHook := TPropertyEditorHook.Create;
FDataGrid := NewGrid('DataGrid', DataPage, FDataGridHook);
FPropertiesGridHook := TPropertyEditorHook.Create;
FPropertiesGrid := NewGrid('PropertiesGrid', PropertiesPage, FPropertiesGridHook);
FMethodsGridHook := TPropertyEditorHook.Create;
FMethodsGrid := NewGrid('MethodsGrid', MethodsPage, FMethodsGridHook);
Localize;
IDEDialogLayoutList.ApplyLayout(Self, 260, 400);
FGridData:=TStringGrid.Create(DataPage);
DataPage.InsertControl(FGridData);
GridDataSetup;
FGridMethods:=TStringGrid.Create(MethodsPage);
MethodsPage.InsertControl(FGridMethods);
GridMethodsSetup;
end;
destructor TIDEInspectDlg.Destroy;
begin
FreeAndNil(FDBGInfo);
FreeAndNil(FDataGridHook);
FreeAndNil(FPropertiesGridHook);
FreeAndNil(FMethodsGridHook);
inherited Destroy;
end;
procedure TIDEInspectDlg.Execute(const AExpression: ansistring);
begin
FExpression:='';
FreeAndNil(FDBGInfo);
if not DebugBoss.Evaluate(AExpression,FHumanReadable,FDBGInfo) or not assigned(FDBGInfo) then
begin
FreeAndNil(FDBGInfo);
Exit;
end;
FExpression:=AExpression;
case FDBGInfo.Kind of
skClass: InspectClass();
skRecord: InspectRecord();
skVariant: InspectVariant();
// skEnum: ;
// skSet: ;
// skProcedure: ;
// skFunction: ;
skSimple: InspectSimple();
skPointer: InspectPointer();
// skDecomposable: ;
end;
end;
{ TOIDBGGrid }
procedure TOIDBGGrid.BuildPropertyList(OnlyIfNeeded: boolean);
begin
end;
end.