33 	struct symbol * const sym;
73 /* enum values are used as index to symbol.def[] */
83  * Represents a configuration symbol.
85  * Choices are represented as a special kind of symbol with null name.
89 struct symbol {  struct
93 	/* The name of the symbol, e.g. "FOO" for 'config FOO' */  argument
100 	 * The calculated value of the symbol. The SYMBOL_VALID bit is set in  argument
107 	 * Values for the symbol provided from outside. def[S_DEF_USER] holds
113 	 * An upper bound on the tristate value the user can set for the symbol
122 	/* config entries associated with this symbol */  argument
145 #define SYMBOL_CONST      0x0001  /* symbol is const */  argument
147 #define SYMBOL_VALID      0x0080  /* set when symbol.curr is calculated */
148 #define SYMBOL_WRITE      0x0200  /* write symbol to file (KCONFIG_CONFIG) */
153 /* Set when symbol.def[] is used */
155 #define SYMBOL_DEF_USER   0x10000  /* symbol.def[S_DEF_USER] is valid */
156 #define SYMBOL_DEF_AUTO   0x20000  /* symbol.def[S_DEF_AUTO] is valid */
157 #define SYMBOL_DEF3       0x40000  /* symbol.def[S_DEF_3] is valid */
158 #define SYMBOL_DEF4       0x80000  /* symbol.def[S_DEF_4] is valid */
163  * with a config "symbol".
180 	P_MENU,     /* prompt associated with a menu or menuconfig symbol */
184 	P_RANGE,    /* range 7..100 (for a symbol) */
210  * for all front ends). Each symbol, menu, etc. defined in the Kconfig files
211  * gets a node. A symbol defined in multiple locations gets one node at each
227 	 * The symbol associated with the menu node. Choices are implemented as
228 	 * a special kind of symbol. NULL for menus, comments, and ifs.
230 	struct symbol *sym;
232 	struct list_head link;	/* link to symbol::menus */
238 	 * symbol as well as the text for a menu or comment, along with the
270  * Set on a menu node when the corresponding symbol changes state in some way.
283 extern struct symbol symbol_yes, symbol_no, symbol_mod;
284 extern struct symbol *modules_sym;
286 struct expr *expr_alloc_symbol(struct symbol *sym);
289 struct expr *expr_alloc_comp(enum expr_type type, struct symbol *s1, struct symbol *s2);
297 bool expr_contains_symbol(struct expr *dep, struct symbol *sym);
298 bool expr_depends_symbol(struct expr *dep, struct symbol *sym);
299 struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symbol *sym);