* p-exp.y (intvar): New static variable, used to set CURRENT_TYPE

	* p-exp.y (intvar): New static variable, used to set CURRENT_TYPE
	for internal variables.
	(last_was_structop): New static variable.
	(COMPLETE): New token.
	(field_exp): New rule to group all '.' suffix handling.
	Add mark_struct_expression calls when approriate to be able
	to correctly find fields for completion.
	(yylex): Adapt to handle field completion and set INTVAR when
	required.