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.

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pt-classdef.cc	Fri Jul 27 17:10:25 2012 -0400
@@ -0,0 +1,260 @@
+/*
+
+Copyright (C) 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/>.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "ov-classdef.h"
+#include "pt-classdef.h"
+
+// Classdef attribute
+
+void
+tree_classdef_attribute::accept (tree_walker& tw)
+{
+  tw.visit_classdef_attribute (*this);
+}
+
+// Classdef attribute_list
+
+tree_classdef_attribute_list::~tree_classdef_attribute_list (void)
+{
+  while (! empty ())
+    {
+      iterator p = begin ();
+      delete *p;
+      erase (p);
+    }
+}
+
+void
+tree_classdef_attribute_list::accept (tree_walker& tw)
+{
+  tw.visit_classdef_attribute_list (*this);
+}
+
+// Classdef superclass
+
+void
+tree_classdef_superclass::accept (tree_walker& tw)
+{
+  tw.visit_classdef_superclass (*this);
+}
+
+// Classdef superclass_list
+
+tree_classdef_superclass_list::~tree_classdef_superclass_list (void)
+{
+  while (! empty ())
+    {
+      iterator p = begin ();
+      delete *p;
+      erase (p);
+    }
+}
+
+void
+tree_classdef_superclass_list::accept (tree_walker& tw)
+{
+  tw.visit_classdef_superclass_list (*this);
+}
+
+// Classdef property
+
+void
+tree_classdef_property::accept (tree_walker& tw)
+{
+  tw.visit_classdef_property (*this);
+}
+
+// Classdef property_list
+
+tree_classdef_property_list::~tree_classdef_property_list (void)
+{
+  while (! empty ())
+    {
+      iterator p = begin ();
+      delete *p;
+      erase (p);
+    }
+}
+
+void
+tree_classdef_property_list::accept (tree_walker& tw)
+{
+  tw.visit_classdef_property_list (*this);
+}
+
+// Classdef properties_block
+
+void
+tree_classdef_properties_block::accept (tree_walker& tw)
+{
+  tw.visit_classdef_properties_block (*this);
+}
+
+// Classdef methods_list
+
+void
+tree_classdef_methods_list::accept (tree_walker& tw)
+{
+  tw.visit_classdef_methods_list (*this);
+}
+
+// Classdef methods_block
+
+void
+tree_classdef_methods_block::accept (tree_walker& tw)
+{
+  tw.visit_classdef_methods_block (*this);
+}
+
+// Classdef event
+
+void
+tree_classdef_event::accept (tree_walker& tw)
+{
+  tw.visit_classdef_event (*this);
+}
+
+// Classdef events_list
+
+tree_classdef_events_list::~tree_classdef_events_list (void)
+{
+  while (! empty ())
+    {
+      iterator p = begin ();
+      delete *p;
+      erase (p);
+    }
+}
+
+void
+tree_classdef_events_list::accept (tree_walker& tw)
+{
+  tw.visit_classdef_events_list (*this);
+}
+
+// Classdef events_block
+
+void
+tree_classdef_events_block::accept (tree_walker& tw)
+{
+  tw.visit_classdef_events_block (*this);
+}
+
+// Classdef enum
+
+void
+tree_classdef_enum::accept (tree_walker& tw)
+{
+  tw.visit_classdef_enum (*this);
+}
+
+// Classdef enum_list
+
+tree_classdef_enum_list::~tree_classdef_enum_list (void)
+{
+  while (! empty ())
+    {
+      iterator p = begin ();
+      delete *p;
+      erase (p);
+    }
+}
+
+void
+tree_classdef_enum_list::accept (tree_walker& tw)
+{
+  tw.visit_classdef_enum_list (*this);
+}
+
+// Classdef enum_block
+
+void
+tree_classdef_enum_block::accept (tree_walker& tw)
+{
+  tw.visit_classdef_enum_block (*this);
+}
+
+// Classdef body
+
+tree_classdef_body::~tree_classdef_body (void)
+{
+  while (! properties_lst.empty ())
+    {
+      properties_list_iterator p = properties_lst.begin ();
+      delete *p;
+      properties_lst.erase (p);
+    }
+
+  while (! methods_lst.empty ())
+    {
+      methods_list_iterator p = methods_lst.begin ();
+      delete *p;
+      methods_lst.erase (p);
+    }
+
+  while (! events_lst.empty ())
+    {
+      events_list_iterator p = events_lst.begin ();
+      delete *p;
+      events_lst.erase (p);
+    }
+
+  while (! enum_lst.empty ())
+    {
+      enum_list_iterator p = enum_lst.begin ();
+      delete *p;
+      enum_lst.erase (p);
+    }
+}
+
+// Classdef
+
+octave_value
+tree_classdef::make_meta_class (void) const
+{
+  octave_value retval;
+  cdef_class cls = cdef_class::make_meta_class (this);
+
+  if (cls.ok ())
+    retval = to_ov (cls);
+
+  return retval;
+}
+
+tree_classdef *
+tree_classdef::dup (symbol_table::scope_id,
+                    symbol_table::context_id) const
+{
+  // FIXME
+  return 0;
+}
+
+void
+tree_classdef::accept (tree_walker& tw)
+{
+  std::cerr << "I am super accepting" << std::endl;
+  // tw.visit_classdef (*this);
+}