lazarus/components/codetools/examples/codecompletion.lpr
mattias 25984ff7aa codetools: fixed code completion example
git-svn-id: trunk@13504 -
2007-12-28 12:34:18 +00:00

88 lines
3.0 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:
Simple demonstrating, how to setup the codetools, FPC and Lazarus Source
directory to complete code.
}
program CodeCompletion;
{$mode objfpc}{$H+}
uses
Classes, SysUtils, CodeCache, CodeToolManager, DefineTemplates,
CodeToolsConfig;
const
ConfigFilename = 'codetools.config';
var
NewCode: TCodeBuffer;
NewX, NewY, NewTopLine: integer;
Code: TCodeBuffer;
X: Integer;
Y: Integer;
TopLine: Integer;
Filename: String;
begin
if (ParamCount>=1) and (Paramcount<>3) then begin
writeln('Usage:');
writeln(' ',ParamStr(0));
writeln(' ',ParamStr(0),' <filename> <X> <Y>');
end;
try
CodeToolBoss.SimpleInit(ConfigFilename);
// Example: complete identifier s,
// by adding a local variable declaration (var s: string)
X:=3;
Y:=41;
TopLine:=20;
Filename:=ExpandFileName('scanexamples'+PathDelim+'completion1.pas');
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);
// complete code
if CodeToolBoss.CompleteCode(Code,X,Y,TopLine,NewCode,NewX,NewY,NewTopLine)
then begin
writeln('Code completed: ',NewCode.Filename,' Line=',NewY,' Column=',NewX);
writeln(Code.Source);
end else begin
writeln('Code completion failed: ',CodeToolBoss.ErrorMessage);
end;
except
on E: Exception do begin
writeln('EXCEPTION: '+E.Message);
end;
end;
end.