/usr/include/octave-3.8.1/octave/pt-assign.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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 | /*
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_assign_h)
#define octave_pt_assign_h 1
#include <iosfwd>
#include <string>
class tree_argument_list;
class tree_walker;
class octave_value;
class octave_value_list;
class octave_lvalue;
#include "ov.h"
#include "pt-exp.h"
#include "symtab.h"
// Simple assignment expressions.
class
tree_simple_assignment : public tree_expression
{
public:
tree_simple_assignment (bool plhs = false, int l = -1, int c = -1,
octave_value::assign_op t = octave_value::op_asn_eq)
: tree_expression (l, c), lhs (0), rhs (0), preserve (plhs), ans_ass (),
etype (t) { }
tree_simple_assignment (tree_expression *le, tree_expression *re,
bool plhs = false, int l = -1, int c = -1,
octave_value::assign_op t = octave_value::op_asn_eq);
~tree_simple_assignment (void);
bool has_magic_end (void) const { return (rhs && rhs->has_magic_end ()); }
bool rvalue_ok (void) const { return true; }
octave_value rvalue1 (int nargout = 1);
octave_value_list rvalue (int nargout);
bool is_assignment_expression (void) const { return true; }
std::string oper (void) const;
tree_expression *left_hand_side (void) { return lhs; }
tree_expression *right_hand_side (void) { return rhs; }
tree_expression *dup (symbol_table::scope_id scope,
symbol_table::context_id context) const;
void accept (tree_walker& tw);
octave_value::assign_op op_type (void) const { return etype; }
private:
void do_assign (octave_lvalue& ult, const octave_value_list& args,
const octave_value& rhs_val);
void do_assign (octave_lvalue& ult, const octave_value& rhs_val);
// The left hand side of the assignment.
tree_expression *lhs;
// The right hand side of the assignment.
tree_expression *rhs;
// True if we should not delete the lhs.
bool preserve;
// True if this is an assignment to the automatic variable ans.
bool ans_ass;
// The type of the expression.
octave_value::assign_op etype;
// No copying!
tree_simple_assignment (const tree_simple_assignment&);
tree_simple_assignment& operator = (const tree_simple_assignment&);
};
// Multi-valued assignment expressions.
class
tree_multi_assignment : public tree_expression
{
public:
tree_multi_assignment (bool plhs = false, int l = -1, int c = -1)
: tree_expression (l, c), lhs (0), rhs (0), preserve (plhs) { }
tree_multi_assignment (tree_argument_list *lst, tree_expression *r,
bool plhs = false, int l = -1, int c = -1);
~tree_multi_assignment (void);
bool has_magic_end (void) const { return (rhs && rhs->has_magic_end ()); }
bool is_assignment_expression (void) const { return true; }
bool rvalue_ok (void) const { return true; }
octave_value rvalue1 (int nargout = 1);
octave_value_list rvalue (int nargout);
std::string oper (void) const;
tree_argument_list *left_hand_side (void) { return lhs; }
tree_expression *right_hand_side (void) { return rhs; }
tree_expression *dup (symbol_table::scope_id scope,
symbol_table::context_id context) const;
void accept (tree_walker& tw);
octave_value::assign_op op_type (void) const
{ return octave_value::op_asn_eq; }
private:
// The left hand side of the assignment.
tree_argument_list *lhs;
// The right hand side of the assignment.
tree_expression *rhs;
// True if we should not delete the lhs.
bool preserve;
// No copying!
tree_multi_assignment (const tree_multi_assignment&);
tree_multi_assignment& operator = (const tree_multi_assignment&);
};
#endif
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