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https://gitlab.com/freepascal.org/lazarus/lazarus.git
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80 lines
2.9 KiB
ObjectPascal
80 lines
2.9 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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Demonstration of how to convert c header files to pascal interfaces.
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Usage:
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h2pastest [filename.h]
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}
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program H2PasTest;
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{$mode objfpc}{$H+}
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uses
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Classes, SysUtils, CodeCache, CodeToolManager, FileProcs,
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CodeAtom, CodeTree, NonPascalCodeTools, CCodeParserTool,
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H2PasTool;
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const
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ConfigFilename = 'codetools.config';
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var
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Filename: String;
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CCode, PasCode: TCodeBuffer;
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Tool: TH2PasTool;
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Caret: TCodeXYPosition;
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OutputFilename: String;
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CCodeTool: TCCodeParserTool;
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begin
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try
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CodeToolBoss.SimpleInit(ConfigFilename);
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Filename:=GetCurrentDir+'/scanexamples/test.h';
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if ParamCount=1 then
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Filename:=ParamStr(1);
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// Step 1: load the file
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CCode:=CodeToolBoss.LoadFile(Filename,false,false);
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if CCode=nil then
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raise Exception.Create('loading failed '+Filename);
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// Step 2: create the output file
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OutputFilename:='h2pasoutput.pas';
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PasCode:=CodeToolBoss.CreateFile(OutputFilename);
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if PasCode=nil then
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raise Exception.Create('creating failed '+OutputFilename);
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Tool:=TH2PasTool.Create;
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Tool.Convert(CCode,PasCode);
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Tool.WriteDebugReport;
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Tool.Free;
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except
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on E: ECCodeParserException do begin
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CCodeTool:=ECCodeParserException(E).Sender;
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CCodeTool.CleanPosToCaret(CCodeTool.LastErrorReportPos,Caret);
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writeln(Caret.Code.Filename+'('+IntToStr(Caret.Y)+','+IntToStr(Caret.X)+')'+' Error: '+E.Message);
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end;
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on E: Exception do begin
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writeln(E.Message);
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end;
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end;
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end.
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