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94 lines
3.2 KiB
ObjectPascal
94 lines
3.2 KiB
ObjectPascal
{
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
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* *
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***************************************************************************
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Author: Mattias Gaertner
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Abstract:
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Simple demonstrating, how to setup the codetools, FPC and Lazarus Source
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directory to find what unit A uses of unit B.
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Usage:
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findusedunitreferences filename line column
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Filename is a unit.
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Line, column is a unit within a uses section.
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}
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program FindUsedUnitReferences;
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{$mode objfpc}{$H+}
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uses
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Classes, SysUtils, CodeCache, CodeToolManager, DefineTemplates,
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CodeToolsConfig, FileProcs, usedunitrefs1;
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const
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ConfigFilename = 'codetools.config';
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var
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Code: TCodeBuffer;
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Filename: String;
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ListOfPCodeXYPosition: TFPList;
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X: Integer;
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Y: Integer;
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UsedUnitFilename: string;
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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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Halt(1);
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end;
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CodeToolBoss.SimpleInit(ConfigFilename);
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// Example: find all references to unit Math
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Filename:=ExpandFileName('scanexamples/usedunitrefs1.pas');
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X:=23;
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Y:=8;
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if (ParamCount>=3) then begin
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Filename:=CleanAndExpandFilename(ParamStr(1));
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X:=StrToInt(ParamStr(2));
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Y:=StrToInt(ParamStr(3));
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writeln('File: ',Filename,' Line=',Y,' Column=',X);
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end;
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// Step 1: load the file
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Code:=CodeToolBoss.LoadFile(Filename,false,false);
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if Code=nil then
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raise Exception.Create('loading failed '+Filename);
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// Step 2: find references
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writeln('Filename: ',Code.Filename);
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ListOfPCodeXYPosition:=nil;
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try
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if CodeToolBoss.FindUsedUnitReferences(Code,X,Y,false,UsedUnitFilename,
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ListOfPCodeXYPosition) then
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begin
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writeln('List of ',UsedUnitFilename,':');
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writeln(ListOfPCodeXYPositionToStr(ListOfPCodeXYPosition));
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end else begin
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writeln('CodeToolBoss.FindUsedUnitReferences failed: ',CodeToolBoss.ErrorMessage);
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end;
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finally
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FreeListOfPCodeXYPosition(ListOfPCodeXYPosition);
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end;
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end.
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