This file is indexed.

/usr/include/octave-3.8.1/octave/pt-idx.h is in liboctave-dev 3.8.1-1ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/*

Copyright (C) 1996-2013 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