diff options
Diffstat (limited to 'util/kconfig/expr.h')
| -rw-r--r-- | util/kconfig/expr.h | 126 |
1 files changed, 80 insertions, 46 deletions
diff --git a/util/kconfig/expr.h b/util/kconfig/expr.h index 25ec05ee3b..412ea8a2ab 100644 --- a/util/kconfig/expr.h +++ b/util/kconfig/expr.h @@ -10,27 +10,20 @@ extern "C" { #endif +#include <assert.h> #include <stdio.h> +#include "list.h" #ifndef __cplusplus -#ifndef __sun #include <stdbool.h> -#else -typedef short bool; -enum { true=1, false=0}; -#endif #endif struct file { struct file *next; struct file *parent; - char *name; + const char *name; int lineno; - int flags; }; -#define FILE_BUSY 0x0001 -#define FILE_SCANNED 0x0002 - typedef enum tristate { no, mod, yes } tristate; @@ -70,9 +63,13 @@ enum symbol_type { S_UNKNOWN, S_BOOLEAN, S_TRISTATE, S_INT, S_HEX, S_STRING, S_OTHER }; +/* enum values are used as index to symbol.def[] */ enum { S_DEF_USER, /* main user value */ - S_DEF_AUTO, + S_DEF_AUTO, /* values read from auto.conf */ + S_DEF_DEF3, /* Reserved for UI usage */ + S_DEF_DEF4, /* Reserved for UI usage */ + S_DEF_COUNT }; struct symbol { @@ -80,51 +77,80 @@ struct symbol { char *name; enum symbol_type type; struct symbol_value curr; - struct symbol_value def[4]; + struct symbol_value def[S_DEF_COUNT]; tristate visible; int flags; struct property *prop; + struct expr_value dir_dep; 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_CONST 0x0001 -#define SYMBOL_CHECK 0x0008 -#define SYMBOL_CHOICE 0x0010 -#define SYMBOL_CHOICEVAL 0x0020 -#define SYMBOL_VALID 0x0080 -#define SYMBOL_OPTIONAL 0x0100 -#define SYMBOL_WRITE 0x0200 -#define SYMBOL_CHANGED 0x0400 -#define SYMBOL_AUTO 0x1000 -#define SYMBOL_CHECKED 0x2000 -#define SYMBOL_WARNED 0x8000 -#define SYMBOL_DEF 0x10000 -#define SYMBOL_DEF_USER 0x10000 -#define SYMBOL_DEF_AUTO 0x20000 -#define SYMBOL_DEF3 0x40000 -#define SYMBOL_DEF4 0x80000 +#define for_all_symbols(i, sym) for (i = 0; i < SYMBOL_HASHSIZE; i++) for (sym = symbol_hash[i]; sym; sym = sym->next) if (sym->type != S_OTHER) + +#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_AUTO 0x1000 /* value from environment variable */ +#define SYMBOL_CHECKED 0x2000 /* used during dependency checking */ +#define SYMBOL_WARNED 0x8000 /* warning has been issued */ + +/* Set when symbol.def[] is used */ +#define SYMBOL_DEF 0x10000 /* First bit of SYMBOL_DEF */ +#define SYMBOL_DEF_USER 0x10000 /* symbol.def[S_DEF_USER] is valid */ +#define SYMBOL_DEF_AUTO 0x20000 /* symbol.def[S_DEF_AUTO] is valid */ +#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 + +/* Set symbol to y if allnoconfig; used for symbols that hide others */ +#define SYMBOL_ALLNOCONFIG_Y 0x200000 #define SYMBOL_MAXLENGTH 256 -#define SYMBOL_HASHSIZE 257 -#define SYMBOL_HASHMASK 0xff - +#define SYMBOL_HASHSIZE 9973 + +/* A property represent the config options that can be associated + * with a config "symbol". + * Sample: + * config FOO + * default y + * prompt "foo prompt" + * select BAR + * config BAZ + * int "BAZ Value" + * range 1..255 + */ enum prop_type { - P_UNKNOWN, P_PROMPT, P_COMMENT, P_MENU, P_DEFAULT, P_CHOICE, - P_SELECT, P_RANGE, P_ENV + P_UNKNOWN, + P_PROMPT, /* prompt "foo prompt" or "BAZ Value" */ + P_COMMENT, /* text associated with a comment */ + P_MENU, /* prompt associated with a menuconfig option */ + P_DEFAULT, /* default y */ + P_CHOICE, /* choice value */ + P_SELECT, /* select BAR */ + P_RANGE, /* range 7..100 (for a symbol) */ + P_ENV, /* value from environment variable */ + P_SYMBOL, /* where a symbol is defined */ }; struct property { - struct property *next; - struct symbol *sym; - enum prop_type type; - const char *text; + struct property *next; /* next property - null if last */ + struct symbol *sym; /* the symbol for which the property is associated */ + enum prop_type type; /* type of property */ + const char *text; /* the prompt value - P_PROMPT, P_MENU, P_COMMENT */ struct expr_value visible; - struct expr *expr; - struct menu *menu; - struct file *file; - int lineno; + 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, + * P_PROMPT, P_DEFAULT, P_MENU, P_COMMENT */ + struct file *file; /* what file was this property defined */ + int lineno; /* what lineno was this property defined */ }; #define for_all_properties(sym, st, tok) \ @@ -142,6 +168,7 @@ struct menu { struct menu *list; struct symbol *sym; struct property *prompt; + struct expr *visibility; struct expr *dep; unsigned int flags; char *help; @@ -153,7 +180,14 @@ struct menu { #define MENU_CHANGED 0x0001 #define MENU_ROOT 0x0002 -#ifndef SWIG +struct jump_key { + struct list_head entries; + size_t offset; + struct menu *target; + int index; +}; + +#define JUMP_NB 9 extern struct file *file_list; extern struct file *current_file; @@ -169,7 +203,7 @@ 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(struct expr *org); +struct expr *expr_copy(const 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); @@ -184,6 +218,7 @@ 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); +struct expr *expr_simplify_unmet_dep(struct expr *e1, struct expr *e2); void expr_fprint(struct expr *e, FILE *out); struct gstr; /* forward */ @@ -198,7 +233,6 @@ static inline int expr_is_no(struct expr *e) { return e && (e->type == E_SYMBOL && e->left.sym == &symbol_no); } -#endif #ifdef __cplusplus } |