File: qfinitlocalvardlg.pas

package info (click to toggle)
lazarus 2.0.0%2Bdfsg-2
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 214,460 kB
  • sloc: pascal: 1,862,622; xml: 265,709; cpp: 56,595; sh: 3,008; java: 609; makefile: 535; perl: 297; sql: 222; ansic: 137
file content (182 lines) | stat: -rw-r--r-- 5,532 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
{
 ***************************************************************************
 *                                                                         *
 *   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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA.   *
 *                                                                         *
 ***************************************************************************

 Author: Mattias Gaertner

 Abstract:
   Dialog used by the quick fix "Insert Assignment var := ..." for messages
   Hint/Warning: (5036) Local variable "$1" does not seem to be initialized
   Dialog shows a list of possible statements and a list of possible insert
   positions.
}
unit QFInitLocalVarDlg;

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils, Math, contnrs,
  // LCL
  Forms, Controls, Dialogs, ButtonPanel, ExtCtrls,
  // LazUtils
  LazLoggerBase,
  // Codetools
  CodeToolManager, CodeCache, StdCodeTools,
  // IdeIntf
  LazIDEIntf, IDEDialogs,
  // IDE
  LazarusIDEStrConsts;

type

  { TQFInitLocalVarDialog }

  TQFInitLocalVarDialog = class(TForm)
    ButtonPanel1: TButtonPanel;
    Panel1: TPanel;
    ValueRadioGroup: TRadioGroup;
    WhereRadioGroup: TRadioGroup;
    procedure ButtonPanel1OKButtonClick(Sender: TObject);
    procedure FormCreate(Sender: TObject);
  private
  public
    Statements: TStrings;
    InsertPositions: TObjectList;
    procedure Init(TheStatements: TStrings; TheInsertPositions: TObjectList);
  end;

function QuickFixLocalVarNotInitialized(Code: TCodeBuffer; X, Y: integer): boolean;

implementation

function QuickFixLocalVarNotInitialized(Code: TCodeBuffer; X, Y: integer): boolean;
var
  Statements: TStrings;
  InsertPositions: TObjectList;
  Dlg: TQFInitLocalVarDialog;
begin
  Result:=false;
  Statements:=nil;
  InsertPositions:=nil;
  try
    if not CodeToolBoss.GetPossibleInitsForVariable(Code,X,Y,Statements,
      InsertPositions)
    then begin
      if CodeToolBoss.ErrorCode<>nil then
        LazarusIDE.DoJumpToCodeToolBossError
      else
        ShowMessage('CodeToolBoss.GetPossibleInitsForVariable failed at '+Code.Filename+'('+IntToStr(Y)+','+IntToStr(X)+')');
      exit;
    end;

    Dlg:=TQFInitLocalVarDialog.Create(nil);
    try
      Dlg.Init(Statements,InsertPositions);
      case Dlg.ShowModal of
      mrOk: Result:=true;
      mrAbort:
        if CodeToolBoss.ErrorCode<>nil then
          LazarusIDE.DoJumpToCodeToolBossError
        else
          IDEMessageDialog('Error','Unable to insert the code',mtError,[mbOk]);
      else
        // user cancel
      end;
    finally
      Dlg.Free;
    end;
  finally
    Statements.Free;
    InsertPositions.Free;
  end;
end;

{$R *.lfm}

{ TQFInitLocalVarDialog }

procedure TQFInitLocalVarDialog.FormCreate(Sender: TObject);
begin
  Caption:=lisInitializeLocalVariable;
  ButtonPanel1.OKButton.OnClick:=@ButtonPanel1OKButtonClick;
end;

procedure TQFInitLocalVarDialog.ButtonPanel1OKButtonClick(Sender: TObject);
var
  OldChange: Boolean;
begin
  OldChange:=LazarusIDE.OpenEditorsOnCodeToolChange;
  LazarusIDE.OpenEditorsOnCodeToolChange:=true;
  try
    if CodeToolBoss.InsertStatements(
      TInsertStatementPosDescription(InsertPositions[Max(0,WhereRadioGroup.ItemIndex)]),
      Statements[Max(0,ValueRadioGroup.ItemIndex)])
    then begin
      ModalResult:=mrOk;
    end else begin
      ModalResult:=mrAbort;
    end;
  finally
    LazarusIDE.OpenEditorsOnCodeToolChange:=OldChange;
  end;
end;

procedure TQFInitLocalVarDialog.Init(TheStatements: TStrings;
  TheInsertPositions: TObjectList);
var
  i: Integer;
  InsertPos: TInsertStatementPosDescription;
  sl: TStringList;
  s: String;
  CodeXY: TCodeXYPosition;
begin
  Statements:=TheStatements;
  InsertPositions:=TheInsertPositions;
  sl:=TStringList.Create;
  try
    // show possible insert positions
    for i:=0 to InsertPositions.Count-1 do begin
      InsertPos:=TInsertStatementPosDescription(InsertPositions[i]);
      CodeXY:=InsertPos.CodeXYPos;
      s:=ExtractFileName(CodeXY.Code.Filename)
         +'('+IntToStr(CodeXY.Y)+','+IntToStr(CodeXY.X)+') '
         +InsertPos.Description;
      sl.Add(s);
    end;
    WhereRadioGroup.Items.Assign(sl);
    WhereRadioGroup.ItemIndex:=0;
    WhereRadioGroup.AutoSize:=true;
    WhereRadioGroup.Caption:='Insert where:';

    // show possible statements
    sl.Clear;
    for s in Statements do
      sl.Add(DbgStr(s));
    ValueRadioGroup.Items.Assign(sl);
    ValueRadioGroup.ItemIndex:=0;
    ValueRadioGroup.Caption:='Insert what:';
  finally
    sl.Free;
  end;
end;

end.