/* * tkparse.h *//* * Token types (mostly statement types). */enum e_token{    token_UNKNOWN,    token_bool,     token_choice_header,    token_choice_item,    token_comment,     token_define_bool,    token_define_hex,    token_define_int,    token_define_string,    token_define_tristate,    token_dep_bool,    token_dep_mbool,    token_dep_tristate,    token_else,     token_endmenu,    token_fi,     token_hex,    token_if,     token_int,    token_mainmenu_name,     token_mainmenu_option,     token_source,    token_string,    token_then,    token_tristate,     token_unset,};/* * Operator types for conditionals. */enum operator{    op_eq,    op_neq,    op_and,    op_and1,    op_or,    op_bang,    op_lparen,    op_rparen,    op_constant,    op_variable,    op_true,    op_false,    op_nuked};/* * Conditions come in linked lists. * Some operators take strings: * *   op_constant   "foo" *   op_variable   "$ARCH", "$CONFIG_PMAC", "$CONFIG_EXPERIMENTAL" * * Most "$..." constructs refer to a variable which is defined somewhere * in the script.  Note that it is legal to test variables which are never * defined, such as variables that are meaningful only on other architectures. */struct condition{    struct condition *	next;    enum operator	op;    const char *	str;		/* op_constant */    int			nameindex;	/* op_variable */};/* * Dependency list for dep_bool, dep_mbool, dep_tristate */struct dependency{    char *		name;    struct dependency *	next;};/* * A statement from a config.in file */struct kconfig{    struct kconfig *	next;    enum e_token	token;    int			nameindex;    char *		label;    char *		value;    struct condition *	cond;    struct dependency *	depend;		/* token_dep_tristate */    struct kconfig *	cfg_parent;	/* token_choice_item */    /* used only in tkgen.c */    int			menu_number;    int			menu_line;    struct kconfig *	menu_next;};struct variable{    char *	name;    char	defined;    char	global_written;};extern struct variable vartable[];extern int max_varnum;/* * Prototypes */extern void fix_conditionals ( struct kconfig * scfg );		/* tkcond.c */extern void dump_tk_script   ( struct kconfig * scfg );		/* tkgen.c  */extern int get_varnum        ( char * name );			/* tkparse.c */