view libinterp/parse-tree/pt-idx.h @ 20441:83792dd9bcc1

Use in-place operators in m-files where possible. * scripts/audio/@audioplayer/set.m, scripts/audio/@audiorecorder/set.m, scripts/audio/mu2lin.m, scripts/elfun/cosd.m, scripts/general/del2.m, scripts/general/profexplore.m, scripts/general/quadl.m, scripts/general/rat.m, scripts/general/rotdim.m, scripts/help/get_first_help_sentence.m, scripts/help/private/__strip_html_tags__.m, scripts/image/cubehelix.m, scripts/io/textread.m, scripts/linear-algebra/duplication_matrix.m, scripts/linear-algebra/housh.m, scripts/linear-algebra/krylov.m, scripts/linear-algebra/logm.m, scripts/linear-algebra/normest.m, scripts/linear-algebra/onenormest.m, scripts/optimization/fminsearch.m, scripts/optimization/lsqnonneg.m, scripts/optimization/qp.m, scripts/plot/appearance/annotation.m, scripts/plot/appearance/axis.m, scripts/plot/appearance/legend.m, scripts/plot/appearance/specular.m, scripts/plot/draw/colorbar.m, scripts/plot/draw/hist.m, scripts/plot/draw/plotmatrix.m, scripts/plot/draw/private/__stem__.m, scripts/plot/util/__actual_axis_position__.m, scripts/plot/util/__gnuplot_drawnow__.m, scripts/plot/util/findobj.m, scripts/plot/util/print.m, scripts/plot/util/private/__go_draw_axes__.m, scripts/plot/util/private/__print_parse_opts__.m, scripts/plot/util/rotate.m, scripts/polynomial/pchip.m, scripts/polynomial/polyaffine.m, scripts/polynomial/polyder.m, scripts/polynomial/private/__splinefit__.m, scripts/polynomial/residue.m, scripts/signal/arch_fit.m, scripts/signal/arch_rnd.m, scripts/signal/bartlett.m, scripts/signal/blackman.m, scripts/signal/freqz.m, scripts/signal/hamming.m, scripts/signal/hanning.m, scripts/signal/spectral_adf.m, scripts/signal/spectral_xdf.m, scripts/signal/stft.m, scripts/sparse/bicgstab.m, scripts/sparse/cgs.m, scripts/sparse/private/__sprand_impl__.m, scripts/sparse/qmr.m, scripts/sparse/sprandsym.m, scripts/sparse/svds.m, scripts/specfun/legendre.m, scripts/special-matrix/gallery.m, scripts/statistics/base/gls.m, scripts/statistics/models/logistic_regression.m, scripts/statistics/tests/kruskal_wallis_test.m, scripts/statistics/tests/manova.m, scripts/statistics/tests/wilcoxon_test.m, scripts/time/datevec.m: Use in-place operators in m-files where possible.
author Rik <rik@octave.org>
date Tue, 26 May 2015 21:07:42 -0700
parents 4197fc428c7d
children
line wrap: on
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/*

Copyright (C) 1996-2015 John W. Eaton

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
<http://www.gnu.org/licenses/>.

*/

#if !defined (octave_pt_idx_h)
#define octave_pt_idx_h 1

#include <list>

class tree_argument_list;

class tree_walker;

class octave_map;
class octave_value;
class octave_value_list;
class octave_lvalue;

#include "str-vec.h"

#include "pt-exp.h"
#include "symtab.h"

// Index expressions.

class
tree_index_expression : public tree_expression
{
public:

  tree_index_expression (tree_expression *e = 0, tree_argument_list *lst = 0,
                         int l = -1, int c = -1, char t = '(');

  tree_index_expression (tree_expression *e, const std::string& n,
                         int l = -1, int c = -1);

  tree_index_expression (tree_expression *e, tree_expression* df,
                         int l = -1, int c = -1);

  ~tree_index_expression (void);

  bool has_magic_end (void) const;

  void append (tree_argument_list *lst = 0, char t = '(');

  void append (const std::string& n);

  void append (tree_expression *df);

  bool is_index_expression (void) const { return true; }

  std::string name (void) const;

  tree_expression *expression (void) { return expr; }

  std::list<tree_argument_list *> arg_lists (void) { return args; }

  std::string type_tags (void) { return type; }

  std::list<string_vector> arg_names (void) { return arg_nm; }

  bool lvalue_ok (void) const { return expr->lvalue_ok (); }

  bool rvalue_ok (void) const { return true; }

  octave_value rvalue1 (int nargout = 1);

  octave_value_list rvalue (int nargout);

  octave_value_list rvalue (int nargout,
                            const std::list<octave_lvalue> *lvalue_list);

  octave_lvalue lvalue (void);

  tree_index_expression *dup (symbol_table::scope_id scope,
                              symbol_table::context_id context) const;

  void accept (tree_walker& tw);

private:

  // The LHS of this index expression.
  tree_expression *expr;

  // The indices (only valid if type == paren || type == brace).
  std::list<tree_argument_list *> args;

  // The type of this index expression.
  std::string type;

  // The names of the arguments.  Used for constant struct element
  // references.
  std::list<string_vector> arg_nm;

  // The list of dynamic field names, if any.
  std::list<tree_expression *> dyn_field;

  tree_index_expression (int l, int c);

  octave_map make_arg_struct (void) const;

  std::string
  get_struct_index
    (std::list<string_vector>::const_iterator p_arg_nm,
     std::list<tree_expression *>::const_iterator p_dyn_field) const;

  // No copying!

  tree_index_expression (const tree_index_expression&);

  tree_index_expression& operator = (const tree_index_expression&);
};

#endif