/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.
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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
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