mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-08-20 17:08:52 +09:00
![Masahiro Yamada](/assets/img/avatar_default.png)
Import - scripts/kconfig/* - include/linux/kconfig.h from Linux 3.16-rc7. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Reviewed-by: Simon Glass <sjg@chromium.org>
242 lines
7.3 KiB
C
242 lines
7.3 KiB
C
/*
|
|
* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
|
|
* Released under the terms of the GNU GPL v2.0.
|
|
*/
|
|
|
|
#ifndef EXPR_H
|
|
#define EXPR_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
#include <assert.h>
|
|
#include <stdio.h>
|
|
#include "list.h"
|
|
#ifndef __cplusplus
|
|
#include <stdbool.h>
|
|
#endif
|
|
|
|
struct file {
|
|
struct file *next;
|
|
struct file *parent;
|
|
const char *name;
|
|
int lineno;
|
|
};
|
|
|
|
typedef enum tristate {
|
|
no, mod, yes
|
|
} tristate;
|
|
|
|
enum expr_type {
|
|
E_NONE, E_OR, E_AND, E_NOT, E_EQUAL, E_UNEQUAL, E_LIST, E_SYMBOL, E_RANGE
|
|
};
|
|
|
|
union expr_data {
|
|
struct expr *expr;
|
|
struct symbol *sym;
|
|
};
|
|
|
|
struct expr {
|
|
enum expr_type type;
|
|
union expr_data left, right;
|
|
};
|
|
|
|
#define EXPR_OR(dep1, dep2) (((dep1)>(dep2))?(dep1):(dep2))
|
|
#define EXPR_AND(dep1, dep2) (((dep1)<(dep2))?(dep1):(dep2))
|
|
#define EXPR_NOT(dep) (2-(dep))
|
|
|
|
#define expr_list_for_each_sym(l, e, s) \
|
|
for (e = (l); e && (s = e->right.sym); e = e->left.expr)
|
|
|
|
struct expr_value {
|
|
struct expr *expr;
|
|
tristate tri;
|
|
};
|
|
|
|
struct symbol_value {
|
|
void *val;
|
|
tristate tri;
|
|
};
|
|
|
|
enum symbol_type {
|
|
S_UNKNOWN, S_BOOLEAN, S_TRISTATE, S_INT, S_HEX, S_STRING, S_OTHER
|
|
};
|
|
|
|
/* enum values are used as index to symbol.def[] */
|
|
enum {
|
|
S_DEF_USER, /* main user value */
|
|
S_DEF_AUTO, /* values read from auto.conf */
|
|
S_DEF_DEF3, /* Reserved for UI usage */
|
|
S_DEF_DEF4, /* Reserved for UI usage */
|
|
S_DEF_COUNT
|
|
};
|
|
|
|
struct symbol {
|
|
struct symbol *next;
|
|
char *name;
|
|
enum symbol_type type;
|
|
struct symbol_value curr;
|
|
struct symbol_value def[S_DEF_COUNT];
|
|
tristate visible;
|
|
int flags;
|
|
struct property *prop;
|
|
struct expr_value dir_dep;
|
|
struct expr_value rev_dep;
|
|
};
|
|
|
|
#define for_all_symbols(i, sym) for (i = 0; i < SYMBOL_HASHSIZE; i++) for (sym = symbol_hash[i]; sym; sym = sym->next) if (sym->type != S_OTHER)
|
|
|
|
#define SYMBOL_CONST 0x0001 /* symbol is const */
|
|
#define SYMBOL_CHECK 0x0008 /* used during dependency checking */
|
|
#define SYMBOL_CHOICE 0x0010 /* start of a choice block (null name) */
|
|
#define SYMBOL_CHOICEVAL 0x0020 /* used as a value in a choice block */
|
|
#define SYMBOL_VALID 0x0080 /* set when symbol.curr is calculated */
|
|
#define SYMBOL_OPTIONAL 0x0100 /* choice is optional - values can be 'n' */
|
|
#define SYMBOL_WRITE 0x0200 /* write symbol to file (KCONFIG_CONFIG) */
|
|
#define SYMBOL_CHANGED 0x0400 /* ? */
|
|
#define SYMBOL_AUTO 0x1000 /* value from environment variable */
|
|
#define SYMBOL_CHECKED 0x2000 /* used during dependency checking */
|
|
#define SYMBOL_WARNED 0x8000 /* warning has been issued */
|
|
|
|
/* Set when symbol.def[] is used */
|
|
#define SYMBOL_DEF 0x10000 /* First bit of SYMBOL_DEF */
|
|
#define SYMBOL_DEF_USER 0x10000 /* symbol.def[S_DEF_USER] is valid */
|
|
#define SYMBOL_DEF_AUTO 0x20000 /* symbol.def[S_DEF_AUTO] is valid */
|
|
#define SYMBOL_DEF3 0x40000 /* symbol.def[S_DEF_3] is valid */
|
|
#define SYMBOL_DEF4 0x80000 /* symbol.def[S_DEF_4] is valid */
|
|
|
|
/* choice values need to be set before calculating this symbol value */
|
|
#define SYMBOL_NEED_SET_CHOICE_VALUES 0x100000
|
|
|
|
/* Set symbol to y if allnoconfig; used for symbols that hide others */
|
|
#define SYMBOL_ALLNOCONFIG_Y 0x200000
|
|
|
|
#define SYMBOL_MAXLENGTH 256
|
|
#define SYMBOL_HASHSIZE 9973
|
|
|
|
/* A property represent the config options that can be associated
|
|
* with a config "symbol".
|
|
* Sample:
|
|
* config FOO
|
|
* default y
|
|
* prompt "foo prompt"
|
|
* select BAR
|
|
* config BAZ
|
|
* int "BAZ Value"
|
|
* range 1..255
|
|
*/
|
|
enum prop_type {
|
|
P_UNKNOWN,
|
|
P_PROMPT, /* prompt "foo prompt" or "BAZ Value" */
|
|
P_COMMENT, /* text associated with a comment */
|
|
P_MENU, /* prompt associated with a menuconfig option */
|
|
P_DEFAULT, /* default y */
|
|
P_CHOICE, /* choice value */
|
|
P_SELECT, /* select BAR */
|
|
P_RANGE, /* range 7..100 (for a symbol) */
|
|
P_ENV, /* value from environment variable */
|
|
P_SYMBOL, /* where a symbol is defined */
|
|
};
|
|
|
|
struct property {
|
|
struct property *next; /* next property - null if last */
|
|
struct symbol *sym; /* the symbol for which the property is associated */
|
|
enum prop_type type; /* type of property */
|
|
const char *text; /* the prompt value - P_PROMPT, P_MENU, P_COMMENT */
|
|
struct expr_value visible;
|
|
struct expr *expr; /* the optional conditional part of the property */
|
|
struct menu *menu; /* the menu the property are associated with
|
|
* valid for: P_SELECT, P_RANGE, P_CHOICE,
|
|
* P_PROMPT, P_DEFAULT, P_MENU, P_COMMENT */
|
|
struct file *file; /* what file was this property defined */
|
|
int lineno; /* what lineno was this property defined */
|
|
};
|
|
|
|
#define for_all_properties(sym, st, tok) \
|
|
for (st = sym->prop; st; st = st->next) \
|
|
if (st->type == (tok))
|
|
#define for_all_defaults(sym, st) for_all_properties(sym, st, P_DEFAULT)
|
|
#define for_all_choices(sym, st) for_all_properties(sym, st, P_CHOICE)
|
|
#define for_all_prompts(sym, st) \
|
|
for (st = sym->prop; st; st = st->next) \
|
|
if (st->text)
|
|
|
|
struct menu {
|
|
struct menu *next;
|
|
struct menu *parent;
|
|
struct menu *list;
|
|
struct symbol *sym;
|
|
struct property *prompt;
|
|
struct expr *visibility;
|
|
struct expr *dep;
|
|
unsigned int flags;
|
|
char *help;
|
|
struct file *file;
|
|
int lineno;
|
|
void *data;
|
|
};
|
|
|
|
#define MENU_CHANGED 0x0001
|
|
#define MENU_ROOT 0x0002
|
|
|
|
struct jump_key {
|
|
struct list_head entries;
|
|
size_t offset;
|
|
struct menu *target;
|
|
int index;
|
|
};
|
|
|
|
#define JUMP_NB 9
|
|
|
|
extern struct file *file_list;
|
|
extern struct file *current_file;
|
|
struct file *lookup_file(const char *name);
|
|
|
|
extern struct symbol symbol_yes, symbol_no, symbol_mod;
|
|
extern struct symbol *modules_sym;
|
|
extern struct symbol *sym_defconfig_list;
|
|
extern int cdebug;
|
|
struct expr *expr_alloc_symbol(struct symbol *sym);
|
|
struct expr *expr_alloc_one(enum expr_type type, struct expr *ce);
|
|
struct expr *expr_alloc_two(enum expr_type type, struct expr *e1, struct expr *e2);
|
|
struct expr *expr_alloc_comp(enum expr_type type, struct symbol *s1, struct symbol *s2);
|
|
struct expr *expr_alloc_and(struct expr *e1, struct expr *e2);
|
|
struct expr *expr_alloc_or(struct expr *e1, struct expr *e2);
|
|
struct expr *expr_copy(const struct expr *org);
|
|
void expr_free(struct expr *e);
|
|
int expr_eq(struct expr *e1, struct expr *e2);
|
|
void expr_eliminate_eq(struct expr **ep1, struct expr **ep2);
|
|
tristate expr_calc_value(struct expr *e);
|
|
struct expr *expr_eliminate_yn(struct expr *e);
|
|
struct expr *expr_trans_bool(struct expr *e);
|
|
struct expr *expr_eliminate_dups(struct expr *e);
|
|
struct expr *expr_transform(struct expr *e);
|
|
int expr_contains_symbol(struct expr *dep, struct symbol *sym);
|
|
bool expr_depends_symbol(struct expr *dep, struct symbol *sym);
|
|
struct expr *expr_extract_eq_and(struct expr **ep1, struct expr **ep2);
|
|
struct expr *expr_extract_eq_or(struct expr **ep1, struct expr **ep2);
|
|
void expr_extract_eq(enum expr_type type, struct expr **ep, struct expr **ep1, struct expr **ep2);
|
|
struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symbol *sym);
|
|
struct expr *expr_simplify_unmet_dep(struct expr *e1, struct expr *e2);
|
|
|
|
void expr_fprint(struct expr *e, FILE *out);
|
|
struct gstr; /* forward */
|
|
void expr_gstr_print(struct expr *e, struct gstr *gs);
|
|
|
|
static inline int expr_is_yes(struct expr *e)
|
|
{
|
|
return !e || (e->type == E_SYMBOL && e->left.sym == &symbol_yes);
|
|
}
|
|
|
|
static inline int expr_is_no(struct expr *e)
|
|
{
|
|
return e && (e->type == E_SYMBOL && e->left.sym == &symbol_no);
|
|
}
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* EXPR_H */
|