mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-08-20 07:23:40 +03:00
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@197 3c298f89-4303-0410-b956-a3cf2f4a3e73
194 lines
4.7 KiB
C
194 lines
4.7 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 <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
|
|
};
|
|
|
|
struct symbol {
|
|
struct symbol *next;
|
|
char *name;
|
|
char *help;
|
|
enum symbol_type type;
|
|
struct symbol_value curr, user;
|
|
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_YES 0x0001
|
|
#define SYMBOL_MOD 0x0002
|
|
#define SYMBOL_NO 0x0004
|
|
#define SYMBOL_CONST 0x0007
|
|
#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_NEW 0x0800
|
|
#define SYMBOL_AUTO 0x1000
|
|
#define SYMBOL_CHECKED 0x2000
|
|
#define SYMBOL_CHECK_DONE 0x4000
|
|
#define SYMBOL_WARNED 0x8000
|
|
|
|
#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 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);
|
|
|
|
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 */
|