lazarus/components/codetools/examples/parsefpcmsg.pas
2017-01-29 21:04:32 +00:00

92 lines
3.3 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 parsing fpc compiler/msg/error*.msg files.
}
program parsefpcmsg;
{$mode objfpc}{$H+}
uses
SysUtils, FileProcs, CodeToolManager, CodeCache, CodeToolsFPCMsgs,
LazFileUtils, LazUTF8;
var
Code: TCodeBuffer;
Filename: String;
MsgFile: TFPCMsgFile;
i: Integer;
Found: TFPCMsgItem;
Item: TFPCMsgItem;
Msg: String;
s: TfmiSpecialItem;
begin
if Paramcount<>1 then begin
writeln('Usage: '+ParamStr(0)+' fpc_file_errore.msg');
writeln(ParamCount);
Halt;
end;
Filename:=TrimAndExpandFilename(ParamStrUTF8(1));
// load the file
Code:=CodeToolBoss.LoadFile(Filename,false,false);
if Code=nil then
raise Exception.Create('unable to read '+Filename);
MsgFile:=TFPCMsgFile.Create;
MsgFile.LoadFromText(Code.Source);
for s:=succ(fmisiNone) to high(TfmiSpecialItem) do
if MsgFile.SpecialItems[s]=nil then
raise Exception.Create('special message '+dbgs(s)+' is missing');
// check a specific message
Item:=MsgFile.FindWithID(1009);
Msg:=MsgFile.GetMsgText(Item);
if MsgFile.PatternFits(Item,Msg)<0 then begin
writeln('message does not fit itself: ',Item.GetName,'="',Item.Pattern,'"');
writeln('Msg: ',Msg);
writeln('Fits=',MsgFile.PatternFits(Item,Msg));
raise Exception.Create('bug?');
end;
for i:=0 to MsgFile.Count-1 do begin
Item:=MsgFile[i];
Msg:=MsgFile.GetMsgText(Item);
Found:=MsgFile.FindWithMessage(Msg);
if Found=nil then begin
// this should never happen
writeln('message does not fit itself: i=',i,
' MsgFile[i]=',Item.GetName,'="',Item.Pattern,'"');
writeln('Msg: ',Msg);
writeln('Fits=',Item.PatternFits(Msg));
raise Exception.Create('bug?');
end else if Found<>Item then begin
writeln('message pattern is ambiguous: i=',i,
' MsgFile[i]=',Item.GetName,'="',Item.Pattern,'"',
' Other=',Found.GetName,'="',Found.Pattern,'"');
end;
end;
MsgFile.Free;
end.