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////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 1999-2025 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 "Cell.h"
#include "ovl.h"
#include "pt-arg-list.h"
#include "pt-eval.h"
#include "pt-exp.h"
#include "pt-cell.h"
#include "pt-walk.h"
#include "ov.h"
OCTAVE_BEGIN_NAMESPACE(octave)
tree_expression *
tree_cell::dup (symbol_scope& scope) const
{
tree_cell *new_cell = new tree_cell (nullptr);
new_cell->copy_base (*this, scope);
return new_cell;
}
octave_value
tree_cell::evaluate (tree_evaluator& tw, int)
{
unwind_action act ([&tw] (const std::list<octave_lvalue> *lvl)
{
tw.set_lvalue_list (lvl);
}, tw.lvalue_list ());
tw.set_lvalue_list (nullptr);
octave_idx_type nr = size ();
octave_idx_type nc = -1;
Cell val;
octave_idx_type i = 0;
for (tree_argument_list *elt : *this)
{
octave_value_list row = tw.convert_to_const_vector (elt);
if (nr == 1)
// Optimize the single row case.
val = row.cell_value ();
else if (nc < 0)
{
nc = row.length ();
val = Cell (nr, nc);
}
else
{
octave_idx_type this_nc = row.length ();
if (this_nc != nc)
{
if (this_nc == 0)
continue; // blank line
else
error ("number of columns must match");
}
}
for (octave_idx_type j = 0; j < nc; j++)
val(i, j) = row(j);
i++;
}
if (i < nr)
val.resize (dim_vector (i, nc)); // there were blank rows
return octave_value (val);
}
OCTAVE_END_NAMESPACE(octave)
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