//////////////////////////////////////////////////////////////////////
//                                                                  //
// jdevEvalModify.pas: Evaulate / Modify dialog (ala Delphi)        //
//   This is basically a nicer interface to the expression parser   //
//   and DWARF variable database.                                   //
//                                                                  //
// The contents of this file are subject to the Bottled Light       //
// Public License Version 1.0 (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.bottledlight.com/BLPL/         //
//                                                                  //
// 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.                        //
//                                                                  //
// The Original Code is the Mappy VM User Interface, released       //
// April 1st, 2003. The Initial Developer of the Original Code is   //
// Bottled Light, Inc. Portions created by Bottled Light, Inc. are  //
// Copyright (C) 2001-2003 Bottled Light, Inc. All Rights Reserved. //
//                                                                  //
// Author(s):                                                       //
//   Michael Noland (joat), michael@bottledlight.com                //
//                                                                  //
// Changelog:                                                       //
//   1.0: First public release (April 1st, 2003)                    //
//                                                                  //
// Notes:                                                           //
//   None at present.                                               //
//                                                                  //
//////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////
unit jdevEvalModify; /////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////

//////////////////////////////////////////////////////////////////////
interface ////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, dwarfUtils, nexus, dbgExpressions, console,
  AddressSpace;

//////////////////////////////////////////////////////////////////////

type
  TjdevModify = class(TForm)
    lExpression: TLabel;
    lResult: TLabel;
    source: TComboBox;
    results: TMemo;
    bListAll: TButton;
    bClear: TButton;
    procedure ListAllVariables(Sender: TObject);
    procedure ClearResults(Sender: TObject);
    procedure FormHide(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure sourceKeyPress(Sender: TObject; var Key: Char);
    procedure FormDeactivate(Sender: TObject);
  private
    { Private declarations }
  public
  end;

//////////////////////////////////////////////////////////////////////

var
  jdevModify: TjdevModify;

//////////////////////////////////////////////////////////////////////
implementation ///////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////

{$R *.DFM}

//////////////////////////////////////////////////////////////////////

procedure TjdevModify.sourceKeyPress(Sender: TObject; var Key: Char);
var
  disp: string;
  res: integer;
begin
  if key in [#10, #13] then begin
    results.clear;
    res := EvaluateExpression(source.Text);
    if uint32(res) > 100000 then disp := '%s is $%.8x' else disp := '%s is %d';
//    results.Lines.Add(dwarfLookupVal(source.Text));
    results.Lines.Add(Format(disp, [source.Text, res]));
  end;
end;

//////////////////////////////////////////////////////////////////////

procedure TjdevModify.ListAllVariables(Sender: TObject);
var
  lines: TStringList;
begin
  results.clear;
  lines := TStringList.Create;
  WalkVariables(lines);
  results.Lines.AddStrings(lines);
  lines.Free;
end;

//////////////////////////////////////////////////////////////////////

procedure TjdevModify.ClearResults(Sender: TObject);
begin
  results.Clear;
end;

//////////////////////////////////////////////////////////////////////

procedure TjdevModify.FormHide(Sender: TObject);
begin
  results.clear;
end;

//////////////////////////////////////////////////////////////////////

procedure TjdevModify.FormCreate(Sender: TObject);
begin
  HelpContext := LinkHelp('expressions.html');
end;

//////////////////////////////////////////////////////////////////////

procedure TjdevModify.FormDeactivate(Sender: TObject);
begin
//  Close;
end;

//////////////////////////////////////////////////////////////////////

end.

//////////////////////////////////////////////////////////////////////