2003-02-21 David Carlton <carlton@math.stanford.edu>

2003-02-21  David Carlton  <carlton@math.stanford.edu>

	* linespec.c (locate_compound_sym): Update call to
	lookup_symbol_namespace.
	* symtab.c (make_symbol_overload_list): Delete namespace_len
	argument.
	* symtab.h: Update declaration for make_symbol_overload_list.
	* valops.c (find_oload_champ_namespace_loop): New format for
	make_symbol_overload_list.
	* symtab.c (lookup_symbol_namespace): Delete namespace_len
	argument.
	(lookup_symbol_aux_using_loop): Update call to
	lookup_symbol_namespace.
	(make_symbol_overload_list_using): Delete namespace_len argument.
	* linespec.c (decode_namespace): Update call to
	lookup_symbol_namespace.
	* valops.c (value_namespace_elt): Ditto.
	* symtab.c (lookup_nested_type): Ditto.
	* symtab.h: Update declaration for lookup_symbol_namespace.
	* block.c (block_all_usings): Delete.
	(block_using): Make static.
	(block_using_iterator_next): New using_direct format.
	(block_using_iterator_first): Ditto.
	* buildsym.c (scan_for_anonymous_namespaces): Rename variables.
	(add_using_directive): New using functions.
	(end_symtab): Use cp_copy_usings.
	(copy_usings_to_obstack): Delete.
	* block.c: Tweak initial comment.
	(struct namespace_info): Move here.
	(block_initialize_namespace): Set scope to NULL!
	* block.h: Add compilation guards.
	Reorder and update declarations.
	* cp-support.c (cp_find_first_component): Return unsigned int.
	(cp_entire_prefix_len): New.
	(cp_add_using_obstack): Delete.
	(cp_add_using_xmalloc): Delete.
	(cp_copy_usings): Rewrite.
	(cp_free_usings): Delete.
	(cp_add_using): New.
	(cp_is_anonymous): Delete second argument.
	(xstrndup): New.
	* cp-support.h: Add compilation guards.
	Update declarations.
	* coffread.c: New variable coff_source_file.
	(coff_start_symtab): Use coff_source_file.
	(complete_symtab): Ditto.
	(coff_end_symtab): Ditto.
	(coff_symtab_read): Ditto.
	* dbxread.c (find_stab_function_addr): Const fix.
	* buildsym.h: Const fix.
	* buildsym.c (start_symtab): Const fix.
	(start_subfile): Ditto.
	* cp-support.c (cp_add_using_xmalloc): Copy name.
	* dwarf2read.c (read_namespace): Loop through extensions
	correctly.
	(read_file_scope): Const fix.
	(dwarf2_add_field): Ditto.
	(read_structure_scope): Ditto.
	(read_enumeration): Ditto.
	(read_typedef): Ditto.
	* buildsym.c (finish_block): Update comments and simplify code
	when setting scope.
	* buildsym.h: Add opaque declaration of 'struct block'.
	Change comment before processing_current_prefix.
	* arm-tdep.c (arm_gdbarch_init): Add break; after default:.