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{
***************************************************************************
* *
* 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
SysUtils,
// LazUtils
LazFileUtils,
// CodeTools
CodeCache, CodeToolManager;
const
ConfigFilename = 'codetools.config';
var
Filename: string;
Code: TCodeBuffer;
X: Integer;
Y: Integer;
Cnt: longint;
i: Integer;
Line: String;
begin
if (ParamCount>=1) and (Paramcount<3) then begin
writeln('Usage:');
writeln(' ',ParamStr(0));
writeln(' ',ParamStr(0),' <filename> <X> <Y>');
exit;
end;
CodeToolBoss.SimpleInit(ConfigFilename);
// optional: ProjectDir and TestPascalFile exists only to easily test some things.
Filename:=TrimFilename(SetDirSeparators(GetCurrentDir+'/scanexamples/identcomplexample.pas'));
X:=20;
Y:=11;
if (ParamCount>=3) then begin
Filename:=ExpandFileName(ParamStr(1));
X:=StrToInt(ParamStr(2));
Y:=StrToInt(ParamStr(3));
writeln('File: ',Filename,' Line=',Y,' Column=',X);
end;
// load the file
Code:=CodeToolBoss.LoadFile(Filename,false,false);
if Code=nil then
raise Exception.Create('loading failed '+Filename);
//CodeToolBoss.Explore(Code,Tool,false,true);
//Tool.WriteDebugTreeReport;
// gather identifiers:
writeln('GatherIdentifiers ',Code.Filename,'(X=',X,',Y=',Y,')');
Line:=Code.GetLine(Y-1);
writeln('Line ',Y,': ',copy(Line,1,X-1),'|',copy(Line,X,length(Line)));
if CodeToolBoss.GatherIdentifiers(Code,X,Y) then
begin
writeln('Identifiers found: Count=',CodeToolBoss.IdentifierList.Count,' FilteredCount=',CodeToolBoss.IdentifierList.GetFilteredCount);
Cnt:=CodeToolBoss.IdentifierList.GetFilteredCount;
if Cnt>10 then Cnt:=10;
for i:=0 to Cnt-1 do
writeln(i,'/',CodeToolBoss.IdentifierList.GetFilteredCount,': ',CodeToolBoss.IdentifierList.FilteredItems[i].AsString);
end else begin
if CodeToolBoss.ErrorMessage<>'' then
writeln('Parse error: ',CodeToolBoss.ErrorMessage)
else
writeln('Error: no context');
end;
end.
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