[GitHub/mt8127/android_kernel_alcatel_ttab.git] / scripts / kconfig / expr.h

/*
 * 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 <stdio.h>
#ifndef __cplusplus
#include <stdbool.h>
#endif

struct file {
	struct file *next;
	struct file *parent;
	char *name;
	int lineno;
	int flags;
};

#define FILE_BUSY		0x0001
#define FILE_SCANNED		0x0002
#define FILE_PRINTED		0x0004

typedef enum tristate {
	no, mod, yes
} tristate;

enum expr_type {
	E_NONE, E_OR, E_AND, E_NOT, E_EQUAL, E_UNEQUAL, E_CHOICE, 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 E_OR(dep1, dep2)	(((dep1)>(dep2))?(dep1):(dep2))
#define E_AND(dep1, dep2)	(((dep1)<(dep2))?(dep1):(dep2))
#define E_NOT(dep)		(2-(dep))

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 {
	S_DEF_USER,		/* main user value */
	S_DEF_AUTO,
};

struct symbol {
	struct symbol *next;
	char *name;
	char *help;
	enum symbol_type type;
	struct symbol_value curr;
	struct symbol_value def[4];
	tristate visible;
	int flags;
	struct property *prop;
	struct expr *dep, *dep2;
	struct expr_value rev_dep;
};

#define for_all_symbols(i, sym) for (i = 0; i < 257; i++) for (sym = symbol_hash[i]; sym; sym = sym->next) if (sym->type != S_OTHER)

#define SYMBOL_CONST		0x0001
#define SYMBOL_CHECK		0x0008
#define SYMBOL_CHOICE		0x0010
#define SYMBOL_CHOICEVAL	0x0020
#define SYMBOL_PRINTED		0x0040
#define SYMBOL_VALID		0x0080
#define SYMBOL_OPTIONAL		0x0100
#define SYMBOL_WRITE		0x0200
#define SYMBOL_CHANGED		0x0400
#define SYMBOL_AUTO		0x1000
#define SYMBOL_CHECKED		0x2000
#define SYMBOL_WARNED		0x8000
#define SYMBOL_DEF		0x10000
#define SYMBOL_DEF_USER		0x10000
#define SYMBOL_DEF_AUTO		0x20000
#define SYMBOL_DEF3		0x40000
#define SYMBOL_DEF4		0x80000

#define SYMBOL_MAXLENGTH	256
#define SYMBOL_HASHSIZE		257
#define SYMBOL_HASHMASK		0xff

enum prop_type {
	P_UNKNOWN, P_PROMPT, P_COMMENT, P_MENU, P_DEFAULT, P_CHOICE, P_SELECT, P_RANGE
};

struct property {
	struct property *next;
	struct symbol *sym;
	enum prop_type type;
	const char *text;
	struct expr_value visible;
	struct expr *expr;
	struct menu *menu;
	struct file *file;
	int lineno;
};

#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 *dep;
	unsigned int flags;
	//char *help;
	struct file *file;
	int lineno;
	void *data;
};

#define MENU_CHANGED		0x0001
#define MENU_ROOT		0x0002

#ifndef SWIG

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(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);

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);
}
#endif

#ifdef __cplusplus
}
#endif

#endif /* EXPR_H */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
	3	* Released under the terms of the GNU GPL v2.0.
	4	*/
	5
	6	#ifndef EXPR_H
	7	#define EXPR_H
	8
	9	#ifdef __cplusplus
	10	extern "C" {
	11	#endif
	12
	13	#include <stdio.h>
	14	#ifndef __cplusplus
	15	#include <stdbool.h>
	16	#endif
	17
	18	struct file {
	19	struct file *next;
	20	struct file *parent;
	21	char *name;
	22	int lineno;
	23	int flags;
	24	};
	25
	26	#define FILE_BUSY 0x0001
	27	#define FILE_SCANNED 0x0002
	28	#define FILE_PRINTED 0x0004
	29
	30	typedef enum tristate {
	31	no, mod, yes
	32	} tristate;
	33
	34	enum expr_type {
	35	E_NONE, E_OR, E_AND, E_NOT, E_EQUAL, E_UNEQUAL, E_CHOICE, E_SYMBOL, E_RANGE
	36	};
	37
	38	union expr_data {
	39	struct expr *expr;
	40	struct symbol *sym;
	41	};
	42
	43	struct expr {
	44	enum expr_type type;
	45	union expr_data left, right;
	46	};
	47
	48	#define E_OR(dep1, dep2) (((dep1)>(dep2))?(dep1):(dep2))
	49	#define E_AND(dep1, dep2) (((dep1)<(dep2))?(dep1):(dep2))
	50	#define E_NOT(dep) (2-(dep))
	51
	52	struct expr_value {
	53	struct expr *expr;
	54	tristate tri;
	55	};
	56
	57	struct symbol_value {
	58	void *val;
	59	tristate tri;
	60	};
	61
	62	enum symbol_type {
	63	S_UNKNOWN, S_BOOLEAN, S_TRISTATE, S_INT, S_HEX, S_STRING, S_OTHER
	64	};
65
0c1822e6 RZ	66	enum {
0c1822e6 RZ	67	S_DEF_USER, /* main user value */
2e3646e5	68	S_DEF_AUTO,
0c1822e6 RZ	69	};
0c1822e6 RZ	70
1da177e4 LT	71	struct symbol {
	72	struct symbol *next;
	73	char *name;
	74	char *help;
	75	enum symbol_type type;
0c1822e6 RZ	76	struct symbol_value curr;
0c1822e6 RZ	77	struct symbol_value def[4];
1da177e4 LT	78	tristate visible;
	79	int flags;
	80	struct property *prop;
	81	struct expr dep, dep2;
	82	struct expr_value rev_dep;
	83	};
	84
	85	#define for_all_symbols(i, sym) for (i = 0; i < 257; i++) for (sym = symbol_hash[i]; sym; sym = sym->next) if (sym->type != S_OTHER)
	86
c0e150ac	87	#define SYMBOL_CONST 0x0001
1da177e4 LT	88	#define SYMBOL_CHECK 0x0008
	89	#define SYMBOL_CHOICE 0x0010
	90	#define SYMBOL_CHOICEVAL 0x0020
	91	#define SYMBOL_PRINTED 0x0040
	92	#define SYMBOL_VALID 0x0080
	93	#define SYMBOL_OPTIONAL 0x0100
	94	#define SYMBOL_WRITE 0x0200
	95	#define SYMBOL_CHANGED 0x0400
1da177e4 LT	96	#define SYMBOL_AUTO 0x1000
1da177e4 LT	97	#define SYMBOL_CHECKED 0x2000
1da177e4	98	#define SYMBOL_WARNED 0x8000
669bfad9 RZ	99	#define SYMBOL_DEF 0x10000
669bfad9 RZ	100	#define SYMBOL_DEF_USER 0x10000
2e3646e5	101	#define SYMBOL_DEF_AUTO 0x20000
669bfad9 RZ	102	#define SYMBOL_DEF3 0x40000
669bfad9 RZ	103	#define SYMBOL_DEF4 0x80000
1da177e4 LT	104
	105	#define SYMBOL_MAXLENGTH 256
	106	#define SYMBOL_HASHSIZE 257
	107	#define SYMBOL_HASHMASK 0xff
	108
	109	enum prop_type {
	110	P_UNKNOWN, P_PROMPT, P_COMMENT, P_MENU, P_DEFAULT, P_CHOICE, P_SELECT, P_RANGE
	111	};
	112
	113	struct property {
	114	struct property *next;
	115	struct symbol *sym;
	116	enum prop_type type;
	117	const char *text;
	118	struct expr_value visible;
	119	struct expr *expr;
	120	struct menu *menu;
	121	struct file *file;
	122	int lineno;
	123	};
	124
	125	#define for_all_properties(sym, st, tok) \
	126	for (st = sym->prop; st; st = st->next) \
	127	if (st->type == (tok))
	128	#define for_all_defaults(sym, st) for_all_properties(sym, st, P_DEFAULT)
	129	#define for_all_choices(sym, st) for_all_properties(sym, st, P_CHOICE)
	130	#define for_all_prompts(sym, st) \
	131	for (st = sym->prop; st; st = st->next) \
	132	if (st->text)
	133
	134	struct menu {
	135	struct menu *next;
	136	struct menu *parent;
	137	struct menu *list;
	138	struct symbol *sym;
	139	struct property *prompt;
	140	struct expr *dep;
	141	unsigned int flags;
	142	//char *help;
	143	struct file *file;
	144	int lineno;
	145	void *data;
	146	};
	147
	148	#define MENU_CHANGED 0x0001
	149	#define MENU_ROOT 0x0002
	150
	151	#ifndef SWIG
	152
	153	extern struct file *file_list;
	154	extern struct file *current_file;
	155	struct file lookup_file(const char name);
	156
	157	extern struct symbol symbol_yes, symbol_no, symbol_mod;
	158	extern struct symbol *modules_sym;
face4374	159	extern struct symbol *sym_defconfig_list;
1da177e4 LT	160	extern int cdebug;
	161	struct expr expr_alloc_symbol(struct symbol sym);
	162	struct expr expr_alloc_one(enum expr_type type, struct expr ce);
	163	struct expr expr_alloc_two(enum expr_type type, struct expr e1, struct expr *e2);
	164	struct expr expr_alloc_comp(enum expr_type type, struct symbol s1, struct symbol *s2);
	165	struct expr expr_alloc_and(struct expr e1, struct expr *e2);
	166	struct expr expr_alloc_or(struct expr e1, struct expr *e2);
	167	struct expr expr_copy(struct expr org);
	168	void expr_free(struct expr *e);
	169	int expr_eq(struct expr e1, struct expr e2);
	170	void expr_eliminate_eq(struct expr ep1, struct expr ep2);
	171	tristate expr_calc_value(struct expr *e);
	172	struct expr expr_eliminate_yn(struct expr e);
	173	struct expr expr_trans_bool(struct expr e);
	174	struct expr expr_eliminate_dups(struct expr e);
	175	struct expr expr_transform(struct expr e);
	176	int expr_contains_symbol(struct expr dep, struct symbol sym);
	177	bool expr_depends_symbol(struct expr dep, struct symbol sym);
	178	struct expr expr_extract_eq_and(struct expr ep1, struct expr *ep2);
	179	struct expr expr_extract_eq_or(struct expr ep1, struct expr *ep2);
	180	void expr_extract_eq(enum expr_type type, struct expr ep, struct expr ep1, struct expr **ep2);
	181	struct expr expr_trans_compare(struct expr e, enum expr_type type, struct symbol *sym);
	182
	183	void expr_fprint(struct expr e, FILE out);
	184	struct gstr; /* forward */
	185	void expr_gstr_print(struct expr e, struct gstr gs);
	186
	187	static inline int expr_is_yes(struct expr *e)
	188	{
	189	return !e \|\| (e->type == E_SYMBOL && e->left.sym == &symbol_yes);
	190	}
	191
	192	static inline int expr_is_no(struct expr *e)
	193	{
	194	return e && (e->type == E_SYMBOL && e->left.sym == &symbol_no);
	195	}
	196	#endif
	197
	198	#ifdef __cplusplus
	199	}
	200	#endif
	201
	202	#endif /* EXPR_H */