lazarus/components/codetools/examples/completeabstractmethods.lpr
2007-12-07 23:16:21 +00:00

105 lines
3.7 KiB
ObjectPascal

{
***************************************************************************
* *
* 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. *
* *
***************************************************************************
Author: Mattias Gaertner
Abstract:
Demonstration, how to setup the codetools, FPC and Lazarus Source
directory to find abstract methods not yet implemented in a class.
}
program CompleteAbstractMethods;
{$mode objfpc}{$H+}
uses
Classes, SysUtils, CodeCache, CodeToolManager, CodeTree, CodeAtom,
AbstractClass1;
const
ConfigFilename = 'codetools.config';
var
Code: TCodeBuffer;
X: Integer;
Y: Integer;
Filename: String;
ListOfPCodeXYPosition: TFPList;
i: Integer;
CodeXYPos: TCodeXYPosition;
NewCode: TCodeBuffer;
NewX, NewY, NewTopLine: integer;
begin
if (ParamCount>=1) and (Paramcount<>3) then begin
writeln('Usage:');
writeln(' ',ParamStr(0));
writeln(' ',ParamStr(0),' <filename> <X> <Y>');
end;
// setup the Options
ListOfPCodeXYPosition:=nil;
try
CodeToolBoss.SimpleInit(ConfigFilename);
// Example: complete identifier s,
// by adding a local variable declaration (var s: string)
Filename:=GetCurrentDir+'/scanexamples/abstractclass1.pas';
X:=3;
Y:=18;
if (ParamCount>=3) then begin
Filename:=ExpandFileName(ParamStr(1));
X:=StrToInt(ParamStr(2));
Y:=StrToInt(ParamStr(3));
end;
// Step 1: load the file
Code:=CodeToolBoss.LoadFile(Filename,false,false);
if Code=nil then
raise Exception.Create('loading failed '+Filename);
// find abstract methods
if CodeToolBoss.FindAbstractMethods(Code,X,Y,ListOfPCodeXYPosition,true)
then begin
writeln('FindAbstractMethods succeeded: ');
if ListOfPCodeXYPosition<>nil then begin
for i:=0 to ListOfPCodeXYPosition.Count-1 do begin
CodeXYPos:=PCodeXYPosition(ListOfPCodeXYPosition[i])^;
writeln(i,' ',CodeXYPos.Code.Filename,'(',CodeXYPos.Y,',',CodeXYPos.X,')');
end;
end;
end else begin
writeln('FindAbstractMethods failed: ',CodeToolBoss.ErrorMessage);
end;
if CodeToolBoss.AddMethods(Code,X,Y,1,ListOfPCodeXYPosition,true,
NewCode,NewX,NewY,NewTopLine)
then begin
writeln('AddMethods succeeded: ',NewCode.Filename,' (',NewY,',',NewX,') ');
writeln(Code.Source);
end else begin
writeln('AddMethods failed: ',CodeToolBoss.ErrorMessage);
end;
except
on E: Exception do begin
writeln(E.Message);
end;
end;
CodeToolBoss.FreeListOfPCodeXYPosition(ListOfPCodeXYPosition);
end.