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Diffstat (limited to 'scripts/kconfig/expr.h')
-rw-r--r--scripts/kconfig/expr.h92
1 files changed, 41 insertions, 51 deletions
diff --git a/scripts/kconfig/expr.h b/scripts/kconfig/expr.h
index 9c9caca5bd5f..21578dcd4292 100644
--- a/scripts/kconfig/expr.h
+++ b/scripts/kconfig/expr.h
@@ -12,17 +12,11 @@ extern "C" {
#include <assert.h>
#include <stdio.h>
-#include "list.h"
#ifndef __cplusplus
#include <stdbool.h>
#endif
-struct file {
- struct file *next;
- struct file *parent;
- const char *name;
- int lineno;
-};
+#include <list_types.h>
typedef enum tristate {
no, mod, yes
@@ -31,16 +25,30 @@ 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 {
- struct expr *expr;
- struct symbol *sym;
+ struct expr * const expr;
+ struct symbol * const sym;
+ void *_initdata;
};
+/**
+ * struct expr - expression
+ *
+ * @node: link node for the hash table
+ * @type: expressoin type
+ * @val: calculated tristate value
+ * @val_is_valid: indicate whether the value is valid
+ * @left: left node
+ * @right: right node
+ */
struct expr {
+ struct hlist_node node;
enum expr_type type;
+ tristate val;
+ bool val_is_valid;
union expr_data left, right;
};
@@ -48,9 +56,6 @@ 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;
@@ -77,12 +82,13 @@ 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 {
- /* The next symbol in the same bucket in the symbol hash table */
- struct symbol *next;
+ /* link node for the hash table */
+ struct hlist_node node;
/* The name of the symbol, e.g. "FOO" for 'config FOO' */
char *name;
@@ -113,6 +119,11 @@ struct symbol {
*/
tristate visible;
+ /* config entries associated with this symbol */
+ struct list_head menus;
+
+ struct list_head choice_link;
+
/* SYMBOL_* flags */
int flags;
@@ -131,18 +142,11 @@ struct symbol {
struct expr_value implied;
};
-#define for_all_symbols(i, sym) for (i = 0; i < SYMBOL_HASHSIZE; i++) for (sym = symbol_hash[i]; sym; sym = sym->next)
-
#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 */
@@ -153,11 +157,7 @@ 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
-#define SYMBOL_HASHSIZE 9973
/* A property represent the config options that can be associated
* with a config "symbol".
@@ -179,11 +179,9 @@ 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) */
- P_SYMBOL, /* where a symbol is defined */
};
struct property {
@@ -193,9 +191,9 @@ 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 */
- struct file *file; /* what file was this property defined */
+ const char *filename; /* what file was this property defined */
int lineno; /* what lineno was this property defined */
};
@@ -203,7 +201,6 @@ 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)
@@ -213,6 +210,8 @@ 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 */
@@ -230,6 +229,10 @@ struct menu {
*/
struct symbol *sym;
+ 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
@@ -256,7 +259,7 @@ struct menu {
char *help;
/* The location where the menu node appears in the Kconfig files */
- struct file *file;
+ const char *filename;
int lineno;
/* For use by front ends that need to store auxiliary data */
@@ -275,13 +278,8 @@ struct jump_key {
struct list_head entries;
size_t offset;
struct menu *target;
- int index;
};
-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;
@@ -291,34 +289,26 @@ struct expr *expr_alloc_two(enum expr_type type, struct expr *e1, struct expr *e
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(const struct expr *org);
-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);
+bool 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);
+bool expr_contains_symbol(struct expr *dep, struct symbol *sym);
bool expr_depends_symbol(struct expr *dep, struct symbol *sym);
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);
+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 bool 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
generated by cgit v1.2.3 (git 2.39.0) at 2024-10-02 23:45:54 +0300