/usr/include/octave-3.8.1/octave/pt-select.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_select_h)
#define octave_pt_select_h 1
class expression;
class tree_statement_list;
class tree_walker;
#include "base-list.h"
#include "comment-list.h"
#include "pt-cmd.h"
#include "symtab.h"
// If.
class
tree_if_clause : public tree
{
public:
tree_if_clause (int l = -1, int c = -1)
: tree (l, c), expr (0), list (0), lead_comm (0) { }
tree_if_clause (tree_statement_list *sl, octave_comment_list *lc = 0,
int l = -1, int c = -1)
: tree (l, c), expr (0), list (sl), lead_comm (lc) { }
tree_if_clause (tree_expression *e, tree_statement_list *sl,
octave_comment_list *lc = 0,
int l = -1, int c = -1)
: tree (l, c), expr (e), list (sl), lead_comm (lc) { }
~tree_if_clause (void);
bool is_else_clause (void) { return ! expr; }
tree_expression *condition (void) { return expr; }
tree_statement_list *commands (void) { return list; }
octave_comment_list *leading_comment (void) { return lead_comm; }
tree_if_clause *dup (symbol_table::scope_id scope,
symbol_table::context_id context) const;
void accept (tree_walker& tw);
private:
// The condition to test.
tree_expression *expr;
// The list of statements to evaluate if expr is true.
tree_statement_list *list;
// Comment preceding ELSE or ELSEIF token.
octave_comment_list *lead_comm;
// No copying!
tree_if_clause (const tree_if_clause&);
tree_if_clause& operator = (const tree_if_clause&);
};
class
tree_if_command_list : public octave_base_list<tree_if_clause *>
{
public:
tree_if_command_list (void) { }
tree_if_command_list (tree_if_clause *t) { append (t); }
~tree_if_command_list (void)
{
while (! empty ())
{
iterator p = begin ();
delete *p;
erase (p);
}
}
tree_if_command_list *dup (symbol_table::scope_id scope,
symbol_table::context_id context) const;
void accept (tree_walker& tw);
private:
// No copying!
tree_if_command_list (const tree_if_command_list&);
tree_if_command_list& operator = (const tree_if_command_list&);
};
class
tree_if_command : public tree_command
{
public:
tree_if_command (int l = -1, int c = -1)
: tree_command (l, c), list (0), lead_comm (0), trail_comm (0) { }
tree_if_command (tree_if_command_list *lst, octave_comment_list *lc,
octave_comment_list *tc, int l = -1, int c = -1)
: tree_command (l, c), list (lst), lead_comm (lc), trail_comm (tc) { }
~tree_if_command (void);
tree_if_command_list *cmd_list (void) { return list; }
octave_comment_list *leading_comment (void) { return lead_comm; }
octave_comment_list *trailing_comment (void) { return trail_comm; }
tree_command *dup (symbol_table::scope_id scope,
symbol_table::context_id context) const;
void accept (tree_walker& tw);
private:
// List of if commands (if, elseif, elseif, ... else, endif)
tree_if_command_list *list;
// Comment preceding IF token.
octave_comment_list *lead_comm;
// Comment preceding ENDIF token.
octave_comment_list *trail_comm;
// No copying!
tree_if_command (const tree_if_command&);
tree_if_command& operator = (const tree_if_command&);
};
// Switch.
class
tree_switch_case : public tree
{
public:
tree_switch_case (int l = -1, int c = -1)
: tree (l, c), label (0), list (0), lead_comm (0) { }
tree_switch_case (tree_statement_list *sl, octave_comment_list *lc = 0,
int l = -1, int c = -1)
: tree (l, c), label (0), list (sl), lead_comm (lc) { }
tree_switch_case (tree_expression *e, tree_statement_list *sl,
octave_comment_list *lc = 0,
int l = -1, int c = -1)
: tree (l, c), label (e), list (sl), lead_comm (lc) { }
~tree_switch_case (void);
bool is_default_case (void) { return ! label; }
bool label_matches (const octave_value& val);
tree_expression *case_label (void) { return label; }
tree_statement_list *commands (void) { return list; }
octave_comment_list *leading_comment (void) { return lead_comm; }
tree_switch_case *dup (symbol_table::scope_id scope,
symbol_table::context_id context) const;
void accept (tree_walker& tw);
private:
// The case label.
tree_expression *label;
// The list of statements to evaluate if the label matches.
tree_statement_list *list;
// Comment preceding CASE or OTHERWISE token.
octave_comment_list *lead_comm;
// No copying!
tree_switch_case (const tree_switch_case&);
tree_switch_case& operator = (const tree_switch_case&);
};
class
tree_switch_case_list : public octave_base_list<tree_switch_case *>
{
public:
tree_switch_case_list (void) { }
tree_switch_case_list (tree_switch_case *t) { append (t); }
~tree_switch_case_list (void)
{
while (! empty ())
{
iterator p = begin ();
delete *p;
erase (p);
}
}
tree_switch_case_list *dup (symbol_table::scope_id scope,
symbol_table::context_id context) const;
void accept (tree_walker& tw);
private:
// No copying!
tree_switch_case_list (const tree_switch_case_list&);
tree_switch_case_list& operator = (const tree_switch_case_list&);
};
class
tree_switch_command : public tree_command
{
public:
tree_switch_command (int l = -1, int c = -1)
: tree_command (l, c), expr (0), list (0), lead_comm (0),
trail_comm (0) { }
tree_switch_command (tree_expression *e, tree_switch_case_list *lst,
octave_comment_list *lc, octave_comment_list *tc,
int l = -1, int c = -1)
: tree_command (l, c), expr (e), list (lst), lead_comm (lc),
trail_comm (tc) { }
~tree_switch_command (void);
tree_expression *switch_value (void) { return expr; }
tree_switch_case_list *case_list (void) { return list; }
octave_comment_list *leading_comment (void) { return lead_comm; }
octave_comment_list *trailing_comment (void) { return trail_comm; }
tree_command *dup (symbol_table::scope_id scope,
symbol_table::context_id context) const;
void accept (tree_walker& tw);
private:
// Value on which to switch.
tree_expression *expr;
// List of cases (case 1, case 2, ..., default)
tree_switch_case_list *list;
// Comment preceding SWITCH token.
octave_comment_list *lead_comm;
// Comment preceding ENDSWITCH token.
octave_comment_list *trail_comm;
// No copying!
tree_switch_command (const tree_switch_command&);
tree_switch_command& operator = (const tree_switch_command&);
};
#endif
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