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-rw-r--r--scripts/kconfig/expr.h41
1 files changed, 14 insertions, 27 deletions
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 0158f5eac454..2bc96cd28253 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -12,12 +12,11 @@ extern "C" {
#include <assert.h>
#include <stdio.h>
-#include "list_types.h"
#ifndef __cplusplus
#include <stdbool.h>
#endif
-#include "list_types.h"
+#include <list_types.h>
typedef enum tristate {
no, mod, yes
@@ -26,7 +25,7 @@ typedef enum tristate {
enum expr_type {
E_NONE, E_OR, E_AND, E_NOT,
E_EQUAL, E_UNEQUAL, E_LTH, E_LEQ, E_GTH, E_GEQ,
- E_LIST, E_SYMBOL, E_RANGE
+ E_SYMBOL, E_RANGE
};
union expr_data {
@@ -43,9 +42,6 @@ struct expr {
#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;
@@ -72,8 +68,9 @@ enum {
/*
* Represents a configuration symbol.
*
- * Choices are represented as a special kind of symbol and have the
- * SYMBOL_CHOICE bit set in 'flags'.
+ * Choices are represented as a special kind of symbol with null name.
+ *
+ * @choice_link: linked to menu::choice_members
*/
struct symbol {
/* link node for the hash table */
@@ -111,6 +108,8 @@ struct symbol {
/* config entries associated with this symbol */
struct list_head menus;
+ struct list_head choice_link;
+
/* SYMBOL_* flags */
int flags;
@@ -131,14 +130,9 @@ struct symbol {
#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_WRITTEN 0x0800 /* track info to avoid double-write to .config */
-#define SYMBOL_NO_WRITE 0x1000 /* Symbol for internal use only; it will not be written */
#define SYMBOL_CHECKED 0x2000 /* used during dependency checking */
#define SYMBOL_WARNED 0x8000 /* warning has been issued */
@@ -149,9 +143,6 @@ struct symbol {
#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
-
#define SYMBOL_MAXLENGTH 256
/* A property represent the config options that can be associated
@@ -174,7 +165,6 @@ enum prop_type {
P_COMMENT, /* text associated with a comment */
P_MENU, /* prompt associated with a menu or menuconfig symbol */
P_DEFAULT, /* default y */
- P_CHOICE, /* choice value */
P_SELECT, /* select BAR */
P_IMPLY, /* imply BAR */
P_RANGE, /* range 7..100 (for a symbol) */
@@ -188,7 +178,7 @@ struct property {
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,
+ * valid for: P_SELECT, P_RANGE,
* P_PROMPT, P_DEFAULT, P_MENU, P_COMMENT */
const char *filename; /* what file was this property defined */
int lineno; /* what lineno was this property defined */
@@ -198,7 +188,6 @@ struct property {
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)
@@ -208,6 +197,8 @@ struct property {
* for all front ends). Each symbol, menu, etc. defined in the Kconfig files
* gets a node. A symbol defined in multiple locations gets one node at each
* location.
+ *
+ * @choice_members: list of choice members with priority.
*/
struct menu {
/* The next menu node at the same level */
@@ -227,6 +218,8 @@ struct menu {
struct list_head link; /* link to symbol::menus */
+ struct list_head choice_members;
+
/*
* The prompt associated with the node. This holds the prompt for a
* symbol as well as the text for a menu or comment, along with the
@@ -288,7 +281,6 @@ void expr_free(struct expr *e);
void expr_eliminate_eq(struct expr **ep1, struct expr **ep2);
int expr_eq(struct expr *e1, struct expr *e2);
tristate expr_calc_value(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);
@@ -297,20 +289,15 @@ struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symb
void expr_fprint(struct expr *e, FILE *out);
struct gstr; /* forward */
-void expr_gstr_print(struct expr *e, struct gstr *gs);
+void expr_gstr_print(const struct expr *e, struct gstr *gs);
void expr_gstr_print_revdep(struct expr *e, struct gstr *gs,
tristate pr_type, const char *title);
-static inline int expr_is_yes(struct expr *e)
+static inline int expr_is_yes(const 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