This file is indexed.

/usr/include/octave-3.8.1/octave/pt-unop.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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
/*

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_unop_h)
#define octave_pt_unop_h 1

#include <string>

class tree_walker;

class octave_value;
class octave_value_list;
class octave_lvalue;

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

// Unary expressions.

class
tree_unary_expression : public tree_expression
{
public:

  tree_unary_expression (int l = -1, int c = -1,
                         octave_value::unary_op t
                           = octave_value::unknown_unary_op)
    : tree_expression (l, c), op (0), etype (t)  { }

  tree_unary_expression (tree_expression *e, int l = -1, int c = -1,
                         octave_value::unary_op t
                           = octave_value::unknown_unary_op)
    : tree_expression (l, c), op (e), etype (t) { }

  ~tree_unary_expression (void) { delete op; }

  bool is_unary_expression (void) const { return true; }

  bool has_magic_end (void) const { return (op && op->has_magic_end ()); }

  tree_expression *operand (void) { return op; }

  std::string oper (void) const;

  octave_value::unary_op op_type (void) const { return etype; }

protected:

  // The operand for the expression.
  tree_expression *op;

  // The type of the expression.
  octave_value::unary_op etype;

private:

  // No copying!

  tree_unary_expression (const tree_unary_expression&);

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

// Prefix expressions.

class
tree_prefix_expression : public tree_unary_expression
{
public:

  tree_prefix_expression (int l = -1, int c = -1)
    : tree_unary_expression (l, c, octave_value::unknown_unary_op) { }

  tree_prefix_expression (tree_expression *e, int l = -1, int c = -1,
                          octave_value::unary_op t
                            = octave_value::unknown_unary_op)
    : tree_unary_expression (e, l, c, t) { }

  ~tree_prefix_expression (void) { }

  bool rvalue_ok (void) const { return true; }

  octave_value rvalue1 (int nargout = 1);

  octave_value_list rvalue (int nargout);

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

  void accept (tree_walker& tw);

private:

  // No copying!

  tree_prefix_expression (const tree_prefix_expression&);

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

// Postfix expressions.

class
tree_postfix_expression : public tree_unary_expression
{
public:

  tree_postfix_expression (int l = -1, int c = -1)
    : tree_unary_expression (l, c, octave_value::unknown_unary_op) { }

  tree_postfix_expression (tree_expression *e, int l = -1, int c = -1,
                           octave_value::unary_op t
                             = octave_value::unknown_unary_op)
    : tree_unary_expression (e, l, c, t) { }

  ~tree_postfix_expression (void) { }

  bool rvalue_ok (void) const { return true; }

  octave_value rvalue1 (int nargout = 1);

  octave_value_list rvalue (int nargout);

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

  void accept (tree_walker& tw);

private:

  // No copying!

  tree_postfix_expression (const tree_postfix_expression&);

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

#endif