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/*$Id: ap_error.cc 2016/09/11 $ -*- C++ -*-
* Copyright (C) 2001 Albert Davis
* Author: Albert Davis <aldavis@gnu.org>
*
* This file is part of "Gnucap", the Gnu Circuit Analysis Package
*
* This program 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 3, or (at your option)
* any later version.
*
* This program 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*------------------------------------------------------------------
* Error handler.
*/
//testing=script 2006.07.17
#include "u_opt.h"
#include "ap.h"
/*--------------------------------------------------------------------------*/
// CS & CS::check(int i, const string& s);
// CS & CS::warn(int i, int c, const string& s);
/*--------------------------------------------------------------------------*/
/* syntax_check: handle syntax errors
* called on parsing an input string when nothing else matches.
* if the rest of the line is nothing, just return
* if comment, increment *cnt, so what is left is a valid comment string
* otherwise, it is an error (the arrow pointing at the offending word)
*/
CS & CS::check(int badness, const std::string& message)
{
skipbl();
switch (peek()) {
case '/': _ok = umatch("//"); skip(); break;
case ';':
case '\'': _ok = true; skip(); break;
case '\0': _ok = true; break;
default: _ok = false; warn(badness, message); break;
}
return *this;
}
/*--------------------------------------------------------------------------*/
/* syntax_msg: print syntax error message
* echo a portion of the input with an arrow pointing to the current place
*/
CS & CS::warn(int badness, size_t spot, const std::string& message)
{
if (badness >= OPT::picky) {
if (spot < 40) {
IO::error << _cmd.substr(0,70) << '\n';
IO::error.tab(spot);
}else{
IO::error << _cmd.substr(0,15) << " ... " << _cmd.substr(spot-20, 56) << '\n';
IO::error.tab(40);
}
IO::error << "^ ? " + message + '\n';
}else{
}
return *this;
}
/*--------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------*/
// vim:ts=8:sw=2:noet:
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