adjust location of eof marker for files with subfunctions but no explicit end statements * ov-fcn.h (octave_function::maybe_relocate_end, octave_function::has_subfunctions, octave_function::stash_subfunction_names, octave_function::subfunction_names): New virtual functions. * ov-usr-fcn.h, ov-usr-fcn.cc (octave_user_function::end_location_line, octave_user_function::end_location_column, octave_user_function::subfcn_names): New member variables. (octave_user_function::beginning_line, octave_user_function::beginning_column, octave_user_function::stash_fcn_end_location, octave_user_function::ending_line, octave_user_function::ending_column, octave_user_function::has_subfunctions, octave_user_function::subfunction_names, octave_user_function::stash_subfunction_names, octave_user_function::maybe_relocate_end_internal, octave_user_function::maybe_relocate_end): New functions. * oct-parse.in.yy (FCN): Declare as token with tok_val type. (function_beg): Declare as tok_val type. Return FCN value. (function): Move stash_comment here from function_beg. Pass line and column info to parser.finish_function. (octave_base_parser::subfunction_names): New data member. (octave_base_parser::reset): Clear subfuntction_names. (octave_base_parser::start_function): Call stash_fcn_end_location. (octave_base_parser::frob_function): Don't call stash_fcn_location. (octave_base_parser_::finish_function): Call stash_fcn_location. Append name to subfunction_names. Call maybe_relocate_end on constructed function. (parse_fcn_file): Attach subfunction names to primary function. * pt-stmt.h, pt-stmt.cc (tree_statement::set_location): New function. * pt.h (tree::set_location): New function. * pt-cmd.h, pt-cmd.cc (tree_no_op_command::tree_no_op_command): Use EOF member variable to track auto-generated end statements that appear at the end of file. Change all callers. (tree_command::is_end_of_file): New function. * pt-stmt.h, pt-stmt.cc (tree_statement::set_location, tree_statement::is_end_of_file): New functions. * base-list.h (octave_base_list::reverse_iterator, octave_base_list::const_reverse_iterator): New typedefs. (octave_base_list::rbegin, octave_base_list::rend): New functions. * debug.h, debug.cc (bp_table::do_add_breakpoint): Handle subfunctions. (bp_table::do_remove_breakpoint_1): New function. (bp_table::do_remove_breakpoint): Use it. Handle subfunctions. (bp_table::do_remove_all_breakpoints_in_file_1): New function. (bp_table::do_remove_all_breakpoints_in_file): Use it. Handle subfunctions.

--- a/libinterp/parse-tree/pt-stmt.cc	Mon May 06 20:02:08 2013 -0400
+++ b/libinterp/parse-tree/pt-stmt.cc	Tue May 07 15:29:00 2013 -0400
@@ -107,6 +107,15 @@
 }
 
 void
+tree_statement::set_location (int l, int c)
+{
+  if (cmd)
+    cmd->set_location (l, c);
+  else if (expr)
+    expr->set_location (l, c);
+}
+
+void
 tree_statement::echo_code (void)
 {
   tree_print_code tpc (octave_stdout, VPS4);
@@ -131,6 +140,23 @@
   return retval;
 }
 
+bool
+tree_statement::is_end_of_file (void) const
+{
+  bool retval = false;
+
+  if (cmd)
+    {
+      tree_no_op_command *no_op_cmd
+        = dynamic_cast<tree_no_op_command *> (cmd);
+
+      if (no_op_cmd)
+        retval = no_op_cmd->is_end_of_file ();
+    }
+
+  return retval;
+}
+
 tree_statement *
 tree_statement::dup (symbol_table::scope_id scope,
                      symbol_table::context_id context) const