improvements in parsing classdef * liboctave/base-list.h (octave_base_list::octave_base_list (void), octave_base_list::octave_base_list (const std::list<elt_type>&), octave_base_list::operator = (const octave_base_list&), octave_base_list::~octave_base_list (void)): Now public. * pt-classdef.h, pt-classdef.cc: New files. * src/Makefile.am (PT_INCLUDES): Add pt-classdef.h to the list. (PT_SRC): Add pt-classdef.cc to the list. * pt-all.h: Include pt-classdef.h. * ov.cc: Include ov-classdef.h. * ov-classdef.cc: Include pt-classdef.h. (cdef_class:make_meta_class): New method. (F__meta_get_class__): Delete. (F__superclass_reference__, F__meta_class_query__): New functions. * pt-id.h: Include oct-lvalue.h. * pt-walk.h (tree_walker::visit_classdef (tree_classdef&), tree_walker::visit_classdef_attribute (tree_classdef_attribute&), tree_walker::visit_classdef_attribute_list (tree_classdef_attribute_list&), tree_walker::visit_classdef_superclass (tree_classdef_superclass&), tree_walker::visit_classdef_superclass_list (tree_classdef_superclass_list&), tree_walker::visit_classdef_property (tree_classdef_property&), tree_walker::visit_classdef_property_list (tree_classdef_property_list&), tree_walker::visit_classdef_properties_block (tree_classdef_properties_block&), tree_walker::visit_classdef_methods_list (tree_classdef_methods_list&), tree_walker::visit_classdef_methods_block (tree_classdef_methods_block&), tree_walker::visit_classdef_event (tree_classdef_event&), tree_walker::visit_classdef_events_list (tree_classdef_events_list&), tree_walker::visit_classdef_events_block (tree_classdef_events_block&), tree_walker::visit_classdef_enum (tree_classdef_enum&), tree_walker::visit_classdef_enum_list (tree_classdef_enum_list&), tree_walker::visit_classdef_enum_block (tree_classdef_enum_block&), tree_walker::visit_classdef_body (tree_classdef_body&)): New virtual functions. * token.h, token.cc (token::sc::mr, token::sc::cr, token::sc::pr, token::mc::mr, token::mc::pr): Delete. (token::sc::method_name, token::sc::package_name, token::sc::class_name, token::mc::package_name, token::mc::class_name): New member variables. (token::method_rec, token::class_rec, token::package_rec, token::meta_class_rec, token::meta_package_rec): Delete. (token::superclass_method_name, token::superclass_package_name, token::superclass_class_name, token::meta_package_name, token::meta_class_name): New methods. (token::token (symbol_table::symbol_record*, int, int), token::token (symbol_table::symbol_record*, symbol_table::symbol_record*, int, int), token::token (symbol_table::symbol_record*, symbol_table::symbol_record*, symbol_table::symbol_record*, int, int)): Delete. (token::token (const std::string&, const std::string&, int, int), token::token (const std::string&, const std::string&, const std::string&, int, int)): New constructors. (token::scls_rec_token, token::meta_rec_token): Delete enum values. (token::scls_name_token, token::meta_rec_token): New enum values. (token::~token): Delete sc and mc struct memebers. * lex.ll, lex.h (lexical_feedback::parsing_classdef_get_method, lexical_feedback::parsing_classdef_set_method)): New data members. (lexical_feedback::lexical_feedback, lexical_feedback::init): Initialize new data members. (prep_lexer_for_classdef_file): New function. (CLASSDEF_FILE_BEGIN): New exclusive start state. (handle_superclass_identifier, handle_meta_identifier): Split identifier here and create token with character strings. (display_token): Handle CLASSDEF_FILE. (display_state): Handle CLASSDEF_FILE_BEGIN. * oct-parse.yy: Include ov-classdef.h and pt-funcall.h. (classdef_object): New static variable. (make_superclass_ref, make_meta_class_query, make_classdef, make_classdef_properties_block, make_classdef_methods_block, make_classdef_events_block, make_classdef_enum_block)): New functions. (dummy_type): Delete unused nonterminal type. (tok_type, tree_funcall_type, tree_function_def_type, tree_classdef_type, tree_classdef_attribute_type, tree_classdef_attribute_list_type, tree_classdef_superclass_type, tree_classdef_superclass_list_type, tree_classdef_body_type, tree_classdef_property_type, tree_classdef_property_list_type, tree_classdef_properties_block_type, tree_classdef_methods_list_type, tree_classdef_methods_block_type, tree_classdef_event_type, tree_classdef_events_list_type, tree_classdef_events_block_type, tree_classdef_enum_type, tree_classdef_enum_list_type, tree_classdef_enum_block_type): New types for nonterminals. (CLASSDEF): Declare to have a tok_val token value. (CLASSDEF_FILE): New token. (classdef_end, properties_beg, methods_beg, events_beg, enum_beg, classdef1): Delete nonterminals. (property_list): Rename from properties_list. (attr, class_event, class_enum, class_property, property_list, properties_block, methods_list, methods_block, opt_attr_list, attr_list, events_list, events_blcok, enum_list, enum_block, class_body, classdef): Declare with specific types. Create parse tree objects for these nonterminals. (classdef_file): New nonterminal. (parse_fcn_file): Handle classdef files. Don't treat classdef files as scripts. (command): Don't handle classdef here. (input): Accept classdef_file here. (fcn_name): If GET, set lexer_flags.parsing_classdef_get_method. If SET, set lexer_flags.parsing_classdef_set_method.

/*

Copyright (C) 2000-2012 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_comment_list_h)
#define octave_comment_list_h 1

#include <string>

#include <base-list.h>

extern std::string get_comment_text (void);

extern char *get_comment_text_c_str (void);

extern void save_comment_text (const std::string& text);

class
octave_comment_elt
{
public:

  enum comment_type
  {
    unknown,
    block,
    end_of_line,
    doc_string,
    copyright
  };

  octave_comment_elt (const std::string& s = std::string (),
                      comment_type t = unknown)
    : txt (s), typ (t) { }

  octave_comment_elt (const octave_comment_elt& oc)
    : txt (oc.txt), typ (oc.typ) { }

  octave_comment_elt& operator = (const octave_comment_elt& oc)
    {
      if (this != &oc)
        {
          txt = oc.txt;
          typ = oc.typ;
        }

      return *this;
    }

  std::string text (void) const { return txt; }

  comment_type type (void) const { return typ; }

  ~octave_comment_elt (void) { }

private:

  // The text of the comment.
  std::string txt;

  // The type of comment.
  comment_type typ;
};

class
octave_comment_list : public octave_base_list<octave_comment_elt>
{
public:

  octave_comment_list (void) { }

  void append (const octave_comment_elt& elt)
    { octave_base_list<octave_comment_elt>::append (elt); }

  void append (const std::string& s,
               octave_comment_elt::comment_type t = octave_comment_elt::unknown)
    { append (octave_comment_elt (s, t)); }

  octave_comment_list *dup (void) const;
};

class
octave_comment_buffer
{
public:

  octave_comment_buffer (void)
    : comment_list (new octave_comment_list ()) { }

  ~octave_comment_buffer (void) { delete comment_list; }

  static bool instance_ok (void);

  static void append
    (const std::string& s,
     octave_comment_elt::comment_type t = octave_comment_elt::unknown);

  static octave_comment_list *get_comment (void);

private:

  void do_append (const std::string& s, octave_comment_elt::comment_type t);

  octave_comment_list *do_get_comment (void);

  octave_comment_list *comment_list;

  static octave_comment_buffer *instance;

  static void cleanup_instance (void) { delete instance; instance = 0; }
};

#endif