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{ Copyright (C) 2005 Mattias Gaertner
***************************************************************************
* *
* 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. *
* *
***************************************************************************
Abstract:
Example, how to setup the codetools, load a pascal unit and jump from
the declaration of a unit to its body.
}
program MethodJumping;
{$mode objfpc}{$H+}
uses
SysUtils,
// LazUtils
LazFileUtils,
// CodeTools
CodeToolManager, CodeCache;
var
ExpandedFilename: String;
CodeBuf: TCodeBuffer;
NewCode: TCodeBuffer;
NewX, NewY, NewTopLine: integer;
RevertableJump: boolean;
X: Integer;
Y, BlockTopLine, BlockBottomLine: Integer;
begin
if (ParamCount>=1) and (Paramcount<3) then begin
writeln('Usage:');
writeln(' ',ParamStr(0));
writeln(' ',ParamStr(0),' <filename> <X> <Y>');
end;
ExpandedFilename:=ExpandFileNameUTF8('scanexamples/methodjump1.pas');
X:=14;
Y:=10;
if (ParamCount>=3) then begin
ExpandedFilename:=ExpandFileNameUTF8(ParamStr(1));
X:=StrToInt(ParamStr(2));
Y:=StrToInt(ParamStr(3));
end;
CodeBuf:=CodeToolBoss.LoadFile(ExpandedFilename,true,false);
if CodeBuf=nil then
raise Exception.Create('failed loading '+ExpandedFilename);
if CodeToolBoss.JumpToMethod(CodeBuf,X,Y,NewCode,NewX,NewY,NewTopLine,
BlockTopLine,BlockBottomLine,RevertableJump)
then
writeln(NewCode.Filename,' ',NewX,',',NewY,' TopLine=',NewTopLine,
' RevertableJump=',RevertableJump)
else
writeln('Method body not found.');
end.
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