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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
67 S_DEF_USER
, /* main user value */
74 enum symbol_type type
;
75 struct symbol_value curr
;
76 struct symbol_value def
[4];
79 struct property
*prop
;
80 struct expr
*dep
, *dep2
;
81 struct expr_value rev_dep
;
84 #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 #define SYMBOL_CONST 0x0001
87 #define SYMBOL_CHECK 0x0008
88 #define SYMBOL_CHOICE 0x0010
89 #define SYMBOL_CHOICEVAL 0x0020
90 #define SYMBOL_PRINTED 0x0040
91 #define SYMBOL_VALID 0x0080
92 #define SYMBOL_OPTIONAL 0x0100
93 #define SYMBOL_WRITE 0x0200
94 #define SYMBOL_CHANGED 0x0400
95 #define SYMBOL_NEW 0x0800
96 #define SYMBOL_AUTO 0x1000
97 #define SYMBOL_CHECKED 0x2000
98 #define SYMBOL_WARNED 0x8000
100 #define SYMBOL_MAXLENGTH 256
101 #define SYMBOL_HASHSIZE 257
102 #define SYMBOL_HASHMASK 0xff
105 P_UNKNOWN
, P_PROMPT
, P_COMMENT
, P_MENU
, P_DEFAULT
, P_CHOICE
, P_SELECT
, P_RANGE
109 struct property
*next
;
113 struct expr_value visible
;
120 #define for_all_properties(sym, st, tok) \
121 for (st = sym->prop; st; st = st->next) \
122 if (st->type == (tok))
123 #define for_all_defaults(sym, st) for_all_properties(sym, st, P_DEFAULT)
124 #define for_all_choices(sym, st) for_all_properties(sym, st, P_CHOICE)
125 #define for_all_prompts(sym, st) \
126 for (st = sym->prop; st; st = st->next) \
134 struct property
*prompt
;
143 #define MENU_CHANGED 0x0001
144 #define MENU_ROOT 0x0002
148 extern struct file
*file_list
;
149 extern struct file
*current_file
;
150 struct file
*lookup_file(const char *name
);
152 extern struct symbol symbol_yes
, symbol_no
, symbol_mod
;
153 extern struct symbol
*modules_sym
;
155 struct expr
*expr_alloc_symbol(struct symbol
*sym
);
156 struct expr
*expr_alloc_one(enum expr_type type
, struct expr
*ce
);
157 struct expr
*expr_alloc_two(enum expr_type type
, struct expr
*e1
, struct expr
*e2
);
158 struct expr
*expr_alloc_comp(enum expr_type type
, struct symbol
*s1
, struct symbol
*s2
);
159 struct expr
*expr_alloc_and(struct expr
*e1
, struct expr
*e2
);
160 struct expr
*expr_alloc_or(struct expr
*e1
, struct expr
*e2
);
161 struct expr
*expr_copy(struct expr
*org
);
162 void expr_free(struct expr
*e
);
163 int expr_eq(struct expr
*e1
, struct expr
*e2
);
164 void expr_eliminate_eq(struct expr
**ep1
, struct expr
**ep2
);
165 tristate
expr_calc_value(struct expr
*e
);
166 struct expr
*expr_eliminate_yn(struct expr
*e
);
167 struct expr
*expr_trans_bool(struct expr
*e
);
168 struct expr
*expr_eliminate_dups(struct expr
*e
);
169 struct expr
*expr_transform(struct expr
*e
);
170 int expr_contains_symbol(struct expr
*dep
, struct symbol
*sym
);
171 bool expr_depends_symbol(struct expr
*dep
, struct symbol
*sym
);
172 struct expr
*expr_extract_eq_and(struct expr
**ep1
, struct expr
**ep2
);
173 struct expr
*expr_extract_eq_or(struct expr
**ep1
, struct expr
**ep2
);
174 void expr_extract_eq(enum expr_type type
, struct expr
**ep
, struct expr
**ep1
, struct expr
**ep2
);
175 struct expr
*expr_trans_compare(struct expr
*e
, enum expr_type type
, struct symbol
*sym
);
177 void expr_fprint(struct expr
*e
, FILE *out
);
178 struct gstr
; /* forward */
179 void expr_gstr_print(struct expr
*e
, struct gstr
*gs
);
181 static inline int expr_is_yes(struct expr
*e
)
183 return !e
|| (e
->type
== E_SYMBOL
&& e
->left
.sym
== &symbol_yes
);
186 static inline int expr_is_no(struct expr
*e
)
188 return e
&& (e
->type
== E_SYMBOL
&& e
->left
.sym
== &symbol_no
);