/usr/include/octave-4.0.0/octave/pt-pr-code.h is in liboctave-dev 4.0.0-3ubuntu9.
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) 1996-2015 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_pr_code_h)
#define octave_pt_pr_code_h 1
#include <stack>
#include <string>
#include "comment-list.h"
#include "pt-walk.h"
class tree_decl_command;
class tree_expression;
// How to print the code that the parse trees represent.
class
tree_print_code : public tree_walker
{
public:
tree_print_code (std::ostream& os_arg,
const std::string& pfx = std::string (),
bool pr_orig_txt = true)
: os (os_arg), prefix (pfx), nesting (),
print_original_text (pr_orig_txt),
curr_print_indent_level (0), beginning_of_line (true),
suppress_newlines (0)
{
// For "none".
nesting.push ('n');
}
~tree_print_code (void) { }
void visit_anon_fcn_handle (tree_anon_fcn_handle&);
void visit_argument_list (tree_argument_list&);
void visit_binary_expression (tree_binary_expression&);
void visit_break_command (tree_break_command&);
void visit_colon_expression (tree_colon_expression&);
void visit_continue_command (tree_continue_command&);
void visit_global_command (tree_global_command&);
void visit_persistent_command (tree_persistent_command&);
void visit_decl_elt (tree_decl_elt&);
void visit_decl_init_list (tree_decl_init_list&);
void visit_simple_for_command (tree_simple_for_command&);
void visit_complex_for_command (tree_complex_for_command&);
void visit_octave_user_script (octave_user_script&);
void visit_octave_user_function (octave_user_function&);
void visit_octave_user_function_header (octave_user_function&);
void visit_octave_user_function_trailer (octave_user_function&);
void visit_function_def (tree_function_def&);
void visit_identifier (tree_identifier&);
void visit_if_clause (tree_if_clause&);
void visit_if_command (tree_if_command&);
void visit_if_command_list (tree_if_command_list&);
void visit_index_expression (tree_index_expression&);
void visit_matrix (tree_matrix&);
void visit_cell (tree_cell&);
void visit_multi_assignment (tree_multi_assignment&);
void visit_no_op_command (tree_no_op_command&);
void visit_constant (tree_constant&);
void visit_fcn_handle (tree_fcn_handle&);
void visit_funcall (tree_funcall&);
void visit_parameter_list (tree_parameter_list&);
void visit_postfix_expression (tree_postfix_expression&);
void visit_prefix_expression (tree_prefix_expression&);
void visit_return_command (tree_return_command&);
void visit_return_list (tree_return_list&);
void visit_simple_assignment (tree_simple_assignment&);
void visit_statement (tree_statement&);
void visit_statement_list (tree_statement_list&);
void visit_switch_case (tree_switch_case&);
void visit_switch_case_list (tree_switch_case_list&);
void visit_switch_command (tree_switch_command&);
void visit_try_catch_command (tree_try_catch_command&);
void visit_unwind_protect_command (tree_unwind_protect_command&);
void visit_while_command (tree_while_command&);
void visit_do_until_command (tree_do_until_command&);
void print_fcn_handle_body (tree_statement_list *);
private:
std::ostream& os;
std::string prefix;
std::stack<char> nesting;
bool print_original_text;
// Current indentation.
int curr_print_indent_level;
// TRUE means we are at the beginning of a line.
bool beginning_of_line;
// Nonzero means we are not printing newlines and indenting.
int suppress_newlines;
void do_decl_command (tree_decl_command& cmd);
void reset_indent_level (void) { curr_print_indent_level = 0; }
void increment_indent_level (void) { curr_print_indent_level += 2; }
void decrement_indent_level (void) { curr_print_indent_level -= 2; }
void newline (const char *alt_txt = ", ");
void indent (void);
void reset (void);
void print_parens (const tree_expression& expr, const char *txt);
void print_comment_list (octave_comment_list *comment_list);
void print_comment_elt (const octave_comment_elt& comment_elt);
void print_indented_comment (octave_comment_list *comment_list);
// Must create with an output stream!
tree_print_code (void);
// No copying!
tree_print_code (const tree_print_code&);
tree_print_code& operator = (const tree_print_code&);
};
#endif
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