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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 1996-2021 The Octave Project Developers
//
// See the file COPYRIGHT.md in the top-level directory of this
// distribution or <https://octave.org/copyright/>.
//
// This file is part of Octave.
//
// Octave 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 of the License, or
// (at your option) any later version.
//
// Octave 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 Octave; see the file COPYING. If not, see
// <https://www.gnu.org/licenses/>.
//
////////////////////////////////////////////////////////////////////////
#if defined (HAVE_CONFIG_H)
# include "config.h"
#endif
#include <sstream>
#include <string>
#include "interpreter.h"
#include "ov-fcn.h"
#include "pt.h"
#include "pt-eval.h"
#include "pt-pr-code.h"
#include "unwind-prot.h"
namespace octave
{
// Hide the details of the string buffer so that we are less likely to
// create a memory leak.
std::string
tree::str_print_code (void)
{
std::ostringstream buf;
tree_print_code tpc (buf);
accept (tpc);
std::string retval = buf.str ();
return retval;
}
// Is the current breakpoint condition met?
bool
tree::meets_bp_condition (tree_evaluator& tw) const
{
bool retval;
if (m_bp_cond == nullptr)
retval = false;
else if (m_bp_cond->empty ()) // empty condition always met
retval = true;
else
{
int parse_status = 0;
unwind_protect frame;
interpreter_try (frame);
retval = true; // default to stopping if any error
try
{
octave_value_list val
= tw.eval_string (*m_bp_cond, 1, parse_status, 1);
if (parse_status == 0)
{
if (! val(0).is_scalar_type ())
warning ("Breakpoint condition must be a scalar, not size %s",
val(0).dims ().str ('x').c_str ());
else
retval = val(0).bool_value ();
}
else
warning ("Error parsing breakpoint condition");
}
catch (const execution_exception& e)
{
interpreter& interp = tw.get_interpreter ();
interp.recover_from_exception ();
std::string tmp = e.message ();
warning ("Error evaluating breakpoint condition:\n %s",
tmp.c_str ());
}
}
return retval;
}
}
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