lazarus/components/codetools/examples/autoindent.pas
2017-04-07 19:02:11 +00:00

76 lines
2.6 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1335, USA. *
* *
***************************************************************************
Author: Mattias Gaertner
Abstract:
Demo for automatic indentation.
}
program AutoIndent;
{$mode objfpc}{$H+}
uses
SysUtils,
// LazUtils
LazUTF8, LazFileUtils,
// CodeTools
CodeToolManager, CodeCache, CodeBeautifier;
var
Code: TCodeBuffer;
Filename: String;
Y: LongInt;
X: LongInt;
p: integer;
Indentation: TFABIndentationPolicy;
begin
if Paramcount>0 then begin
if Paramcount<>3 then begin
writeln('Usage: '+ParamStrUTF8(0)+' filename line column');
exit;
end;
Filename:=ExpandFileNameUTF8(ParamStrUTF8(1));
Y:=StrToInt(ParamStrUTF8(2));
X:=StrToInt(ParamStrUTF8(3));
end else begin
Filename:=ExpandFileNameUTF8('scanexamples/indentation.pas');
X:=3;
Y:=74;
end;
// load the example unit
Code:=CodeToolBoss.LoadFile(Filename,false,false);
if Code=nil then
raise Exception.Create('unable to read '+Filename);
Code.LineColToPosition(Y,X,p);
if p<1 then begin
writeln('ERROR: invalid position: X=',X,' Y=',Y,' in ',Code.Filename);
exit;
end;
if CodeToolBoss.Indenter.GetIndent(Code.Source,p,true,true,Indentation) then begin
writeln('Indent=',Indentation.Indent);
end else begin
writeln('Error: GetIndent failed');
end;
end.