lazarus/components/codetools/examples/identifiercompletion.lpr
2007-01-08 23:56:58 +00:00

82 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:
Demonstrating, how to add invoke identifier completion.
}
program IdentifierCompletion;
{$mode objfpc}{$H+}
uses
Classes, SysUtils, CodeCache, CodeToolManager, FileProcs,
CodeToolsConfig, IdentCompletionTool;
const
ConfigFilename = 'codetools.config';
var
Options: TCodeToolsOptions;
Filename: string;
Code: TCodeBuffer;
begin
// setup the Options
Options:=TCodeToolsOptions.Create;
// To not parse the FPC sources every time, the options are saved to a file.
if FileExists(ConfigFilename) then
Options.LoadFromFile(ConfigFilename);
// setup your paths
Options.FPCPath:='/usr/bin/ppc386';
Options.FPCSrcDir:=ExpandFileName('~/freepascal/fpc');
Options.LazarusSrcDir:=ExpandFileName('~/pascal/lazarus');
// optional: ProjectDir and TestPascalFile exists only to easily test some
// things.
Options.ProjectDir:=GetCurrentDir+'/scanexamples/';
Options.TestPascalFile:=Options.ProjectDir+'identcomplexample.pas';
// init the codetools
if not Options.UnitLinkListValid then
writeln('Scanning FPC sources may take a while ...');
CodeToolBoss.Init(Options);
// save the options and the FPC unit links results.
Options.SaveToFile(ConfigFilename);
// load the file
Filename:=Options.TestPascalFile;
Code:=CodeToolBoss.LoadFile(Filename,false,false);
if Code=nil then
raise Exception.Create('loading failed '+Filename);
// Example 1:
if CodeToolBoss.GatherIdentifiers(Code,20,11) then
begin
writeln('Identifiers found: ');
writeln(CodeToolBoss.IdentifierList.Count);
end else begin
raise Exception.Create('GatherIdentifiers failed');
end;
end.