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https://gitlab.com/freepascal.org/lazarus/lazarus.git
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73 lines
2.7 KiB
ObjectPascal
73 lines
2.7 KiB
ObjectPascal
{ Copyright (C) 2005 Mattias Gaertner
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***************************************************************************
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* *
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* This source is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This code is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
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* General Public License for more details. *
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* *
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* A copy of the GNU General Public License is available on the World *
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* Wide Web at <http://www.gnu.org/copyleft/gpl.html>. You can also *
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* obtain it by writing to the Free Software Foundation, *
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* Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA. *
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* *
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***************************************************************************
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Abstract:
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Example, how to setup the codetools, load a pascal unit and jump from
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the declaration of a unit to its body.
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}
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program MethodJumping;
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{$mode objfpc}{$H+}
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uses
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SysUtils,
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// LazUtils
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LazFileUtils,
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// CodeTools
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CodeToolManager, CodeCache;
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var
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ExpandedFilename: String;
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CodeBuf: TCodeBuffer;
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NewCode: TCodeBuffer;
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NewX, NewY, NewTopLine: integer;
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RevertableJump: boolean;
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X: Integer;
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Y, BlockTopLine, BlockBottomLine: Integer;
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begin
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if (ParamCount>=1) and (Paramcount<3) then begin
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writeln('Usage:');
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writeln(' ',ParamStr(0));
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writeln(' ',ParamStr(0),' <filename> <X> <Y>');
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end;
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ExpandedFilename:=ExpandFileNameUTF8('scanexamples/methodjump1.pas');
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X:=14;
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Y:=10;
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if (ParamCount>=3) then begin
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ExpandedFilename:=ExpandFileNameUTF8(ParamStr(1));
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X:=StrToInt(ParamStr(2));
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Y:=StrToInt(ParamStr(3));
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end;
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CodeBuf:=CodeToolBoss.LoadFile(ExpandedFilename,true,false);
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if CodeBuf=nil then
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raise Exception.Create('failed loading '+ExpandedFilename);
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if CodeToolBoss.JumpToMethod(CodeBuf,X,Y,NewCode,NewX,NewY,NewTopLine,
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BlockTopLine,BlockBottomLine,RevertableJump)
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then
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writeln(NewCode.Filename,' ',NewX,',',NewY,' TopLine=',NewTopLine,
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' RevertableJump=',RevertableJump)
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else
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writeln('Method body not found.');
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end.
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