2002-11-13 David Carlton <carlton@math.stanford.edu>

2002-11-13  David Carlton  <carlton@math.stanford.edu>

	* buildsym.c (finish_block): Initialize block_scope (block) in
	C++ function blocks.
	* dwarf2read.c: Delete variable current_namespace.
	(psymtab_to_symtab_1): Rename current_namespace to
	processing_current_namespace.
	(read_namespace): Ditto.
	* buildsym.h: New variable processing_current_namespace.
	* block.h: Declarations for block_scope and block_set_scope.
	* block.c (block_scope): New function.
	(block_set_scope): New function.
	* cp-support.h (struct namespace_info): Add 'scope' member.
	* buildsym.c (finish_block): Replace BLOCK_USING by
	block_set_using.
	(end_symtab): Ditto.
	* block.h: Declaration for block_set_using.
	* block.c (block_set_using): New function.
	(block_initialize_namespace): New function.
	* symtab.c (lookup_symbol_aux_using): Replace BLOCK_USING by
	block_using.
	* buildsym.c (finish_block): Set BLOCK_NAMESPACE to NULL, not
	BLOCK_USING.
	* jv-lang.c (get_java_class_symtab): Ditto.
	* block.h: Declaration for block_using.
	* block.c (block_using): New function.
	* Makefile.in (block.o): New rule; also add block.c to SFILES and
	block.o to COMMON_OBS.
	* block.c: New file.
	* symtab.c (contained_in): Move to block.c.
	(block_function): Ditto.
	* block.h (struct block): Have the language-specific stuff contain
	a struct namespace_info.
	(BLOCK_NAMESPACE): New macro.
	(BLOCK_USING): Delete.
	* linespec.c (decode_variable): Add comment before
	decode_variable.
	* cp-support.h (struct namespace_info): New struct.