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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 (octave_pt_arg_list_h)
#define octave_pt_arg_list_h 1
#include "octave-config.h"
#include <list>
class octave_value;
class octave_value_list;
#include "str-vec.h"
#include "base-list.h"
#include "pt-walk.h"
namespace octave
{
class symbol_scope;
class tree_evaluator;
class tree_expression;
// Argument lists. Used to hold the list of expressions that are the
// arguments in a function call or index expression.
class tree_argument_list : public base_list<tree_expression *>
{
public:
typedef tree_expression* element_type;
tree_argument_list (void)
: m_list_includes_magic_tilde (false), m_simple_assign_lhs (false)
{ }
tree_argument_list (tree_expression *t)
: m_list_includes_magic_tilde (false), m_simple_assign_lhs (false)
{ append (t); }
// No copying!
tree_argument_list (const tree_argument_list&) = delete;
tree_argument_list& operator = (const tree_argument_list&) = delete;
~tree_argument_list (void);
bool has_magic_tilde (void) const
{
return m_list_includes_magic_tilde;
}
bool includes_magic_tilde (void) const
{
return m_list_includes_magic_tilde;
}
tree_expression * remove_front (void)
{
auto p = begin ();
tree_expression *retval = *p;
erase (p);
return retval;
}
void append (const element_type& s);
void mark_as_simple_assign_lhs (void) { m_simple_assign_lhs = true; }
bool is_simple_assign_lhs (void) { return m_simple_assign_lhs; }
bool all_elements_are_constant (void) const;
bool is_valid_lvalue_list (void) const;
string_vector get_arg_names (void) const;
std::list<std::string> variable_names (void) const;
tree_argument_list * dup (symbol_scope& scope) const;
void accept (tree_walker& tw)
{
tw.visit_argument_list (*this);
}
private:
bool m_list_includes_magic_tilde;
bool m_simple_assign_lhs;
};
}
#if defined (OCTAVE_USE_DEPRECATED_FUNCTIONS)
// tree_argument_list is derived from a template.
#endif
#endif
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