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/*
* 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 */
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