2005-01-12 Andrew Cagney <cagney@gnu.org>

2005-01-12  Andrew Cagney  <cagney@gnu.org>

	* exceptions.c: Include "gdb_string.h".
	(enum catcher_state, struct catcher): Define.
	(current_catcher): New global, replaces catch_return;
	(catch_return): Delete.
	(throw_exception): Use current_catcher->buf;
	(catcher_init, catcher_pop, catcher_state_machine): New functions.
	(catcher): Delete.
	(struct catch_errors_args): Delete.
	(do_catch_errors): Delete.
	(catch_exceptions): Replace body with call to
	catch_exceptions_with_msg.
	(catcher): Delete.
	(catch_exceptions_with_msg, catch_errors): Re-implement using
	catcher_state_machine.