]>
git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - scripts/kconfig/expr.h
2 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
3 * Released under the terms of the GNU GPL v2.0.
26 #define FILE_BUSY 0x0001
27 #define FILE_SCANNED 0x0002
28 #define FILE_PRINTED 0x0004
30 typedef enum tristate
{
35 E_NONE
, E_OR
, E_AND
, E_NOT
, E_EQUAL
, E_UNEQUAL
, E_CHOICE
, E_SYMBOL
, E_RANGE
45 union expr_data left
, right
;
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))
63 S_UNKNOWN
, S_BOOLEAN
, S_TRISTATE
, S_INT
, S_HEX
, S_STRING
, S_OTHER
70 enum symbol_type type
;
71 struct symbol_value curr
, user
;
74 struct property
*prop
;
75 struct expr
*dep
, *dep2
;
76 struct expr_value rev_dep
;
79 #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)
81 #define SYMBOL_YES 0x0001
82 #define SYMBOL_MOD 0x0002
83 #define SYMBOL_NO 0x0004
84 #define SYMBOL_CONST 0x0007
85 #define SYMBOL_CHECK 0x0008
86 #define SYMBOL_CHOICE 0x0010
87 #define SYMBOL_CHOICEVAL 0x0020
88 #define SYMBOL_PRINTED 0x0040
89 #define SYMBOL_VALID 0x0080
90 #define SYMBOL_OPTIONAL 0x0100
91 #define SYMBOL_WRITE 0x0200
92 #define SYMBOL_CHANGED 0x0400
93 #define SYMBOL_NEW 0x0800
94 #define SYMBOL_AUTO 0x1000
95 #define SYMBOL_CHECKED 0x2000
96 #define SYMBOL_WARNED 0x8000
98 #define SYMBOL_MAXLENGTH 256
99 #define SYMBOL_HASHSIZE 257
100 #define SYMBOL_HASHMASK 0xff
103 P_UNKNOWN
, P_PROMPT
, P_COMMENT
, P_MENU
, P_DEFAULT
, P_CHOICE
, P_SELECT
, P_RANGE
107 struct property
*next
;
111 struct expr_value visible
;
118 #define for_all_properties(sym, st, tok) \
119 for (st = sym->prop; st; st = st->next) \
120 if (st->type == (tok))
121 #define for_all_defaults(sym, st) for_all_properties(sym, st, P_DEFAULT)
122 #define for_all_choices(sym, st) for_all_properties(sym, st, P_CHOICE)
123 #define for_all_prompts(sym, st) \
124 for (st = sym->prop; st; st = st->next) \
132 struct property
*prompt
;
141 #define MENU_CHANGED 0x0001
142 #define MENU_ROOT 0x0002
146 extern struct file
*file_list
;
147 extern struct file
*current_file
;
148 struct file
*lookup_file(const char *name
);
150 extern struct symbol symbol_yes
, symbol_no
, symbol_mod
;
151 extern struct symbol
*modules_sym
;
153 struct expr
*expr_alloc_symbol(struct symbol
*sym
);
154 struct expr
*expr_alloc_one(enum expr_type type
, struct expr
*ce
);
155 struct expr
*expr_alloc_two(enum expr_type type
, struct expr
*e1
, struct expr
*e2
);
156 struct expr
*expr_alloc_comp(enum expr_type type
, struct symbol
*s1
, struct symbol
*s2
);
157 struct expr
*expr_alloc_and(struct expr
*e1
, struct expr
*e2
);
158 struct expr
*expr_alloc_or(struct expr
*e1
, struct expr
*e2
);
159 struct expr
*expr_copy(struct expr
*org
);
160 void expr_free(struct expr
*e
);
161 int expr_eq(struct expr
*e1
, struct expr
*e2
);
162 void expr_eliminate_eq(struct expr
**ep1
, struct expr
**ep2
);
163 tristate
expr_calc_value(struct expr
*e
);
164 struct expr
*expr_eliminate_yn(struct expr
*e
);
165 struct expr
*expr_trans_bool(struct expr
*e
);
166 struct expr
*expr_eliminate_dups(struct expr
*e
);
167 struct expr
*expr_transform(struct expr
*e
);
168 int expr_contains_symbol(struct expr
*dep
, struct symbol
*sym
);
169 bool expr_depends_symbol(struct expr
*dep
, struct symbol
*sym
);
170 struct expr
*expr_extract_eq_and(struct expr
**ep1
, struct expr
**ep2
);
171 struct expr
*expr_extract_eq_or(struct expr
**ep1
, struct expr
**ep2
);
172 void expr_extract_eq(enum expr_type type
, struct expr
**ep
, struct expr
**ep1
, struct expr
**ep2
);
173 struct expr
*expr_trans_compare(struct expr
*e
, enum expr_type type
, struct symbol
*sym
);
175 void expr_fprint(struct expr
*e
, FILE *out
);
176 struct gstr
; /* forward */
177 void expr_gstr_print(struct expr
*e
, struct gstr
*gs
);
179 static inline int expr_is_yes(struct expr
*e
)
181 return !e
|| (e
->type
== E_SYMBOL
&& e
->left
.sym
== &symbol_yes
);
184 static inline int expr_is_no(struct expr
*e
)
186 return e
&& (e
->type
== E_SYMBOL
&& e
->left
.sym
== &symbol_no
);