kconfig/expr.h
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Fri Oct 17 12:47:53 2008 +0000 (2008-10-17)
changeset 943 1cca90ce0481
parent 1 eeea35fbf182
child 1234 20da13326d14
permissions -rw-r--r--
Update the kconfig stuff to match the one in the linux-2.6.27 version.

/trunk/kconfig/zconf.hash.c | 225 110 115 0 +++----
/trunk/kconfig/lkc_proto.h | 4 3 1 0 +
/trunk/kconfig/mconf.c | 217 110 107 0 +++---
/trunk/kconfig/menu.c | 86 60 26 0 ++-
/trunk/kconfig/symbol.c | 212 156 56 0 ++++--
/trunk/kconfig/kconfig.mk | 24 9 15 0 -
/trunk/kconfig/lex.zconf.c | 97 80 17 0 ++-
/trunk/kconfig/util.c | 38 30 8 0 +
/trunk/kconfig/lkc.h | 22 18 4 0 +
/trunk/kconfig/expr.c | 32 19 13 0 +
/trunk/kconfig/confdata.c | 254 172 82 0 +++++---
/trunk/kconfig/lxdialog/dialog.h | 12 9 3 0 +
/trunk/kconfig/lxdialog/inputbox.c | 6 3 3 0
/trunk/kconfig/lxdialog/checklist.c | 4 2 2 0
/trunk/kconfig/lxdialog/menubox.c | 6 3 3 0
/trunk/kconfig/lxdialog/textbox.c | 2 1 1 0
/trunk/kconfig/lxdialog/util.c | 47 30 17 0 +
/trunk/kconfig/lxdialog/yesno.c | 4 2 2 0
/trunk/kconfig/expr.h | 20 10 10 0
/trunk/kconfig/zconf.tab.c | 1441 793 648 0 ++++++++++++++++++++++++-------------------
/trunk/kconfig/conf.c | 276 124 152 0 ++++----
/trunk/kconfig/check-gettext.sh | 14 14 0 0 +
/trunk/ct-ng.in | 2 1 1 0
23 files changed, 1759 insertions(+), 1286 deletions(-)
     1 /*
     2  * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
     3  * Released under the terms of the GNU GPL v2.0.
     4  */
     5 
     6 #ifndef EXPR_H
     7 #define EXPR_H
     8 
     9 #ifdef __cplusplus
    10 extern "C" {
    11 #endif
    12 
    13 #include <stdio.h>
    14 #ifndef __cplusplus
    15 #include <stdbool.h>
    16 #endif
    17 
    18 struct file {
    19 	struct file *next;
    20 	struct file *parent;
    21 	char *name;
    22 	int lineno;
    23 	int flags;
    24 };
    25 
    26 #define FILE_BUSY		0x0001
    27 #define FILE_SCANNED		0x0002
    28 
    29 typedef enum tristate {
    30 	no, mod, yes
    31 } tristate;
    32 
    33 enum expr_type {
    34 	E_NONE, E_OR, E_AND, E_NOT, E_EQUAL, E_UNEQUAL, E_LIST, E_SYMBOL, E_RANGE
    35 };
    36 
    37 union expr_data {
    38 	struct expr *expr;
    39 	struct symbol *sym;
    40 };
    41 
    42 struct expr {
    43 	enum expr_type type;
    44 	union expr_data left, right;
    45 };
    46 
    47 #define EXPR_OR(dep1, dep2)	(((dep1)>(dep2))?(dep1):(dep2))
    48 #define EXPR_AND(dep1, dep2)	(((dep1)<(dep2))?(dep1):(dep2))
    49 #define EXPR_NOT(dep)		(2-(dep))
    50 
    51 #define expr_list_for_each_sym(l, e, s) \
    52 	for (e = (l); e && (s = e->right.sym); e = e->left.expr)
    53 
    54 struct expr_value {
    55 	struct expr *expr;
    56 	tristate tri;
    57 };
    58 
    59 struct symbol_value {
    60 	void *val;
    61 	tristate tri;
    62 };
    63 
    64 enum symbol_type {
    65 	S_UNKNOWN, S_BOOLEAN, S_TRISTATE, S_INT, S_HEX, S_STRING, S_OTHER
    66 };
    67 
    68 enum {
    69 	S_DEF_USER,		/* main user value */
    70 	S_DEF_AUTO,
    71 };
    72 
    73 struct symbol {
    74 	struct symbol *next;
    75 	char *name;
    76 	enum symbol_type type;
    77 	struct symbol_value curr;
    78 	struct symbol_value def[4];
    79 	tristate visible;
    80 	int flags;
    81 	struct property *prop;
    82 	struct expr_value rev_dep;
    83 };
    84 
    85 #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 
    87 #define SYMBOL_CONST		0x0001
    88 #define SYMBOL_CHECK		0x0008
    89 #define SYMBOL_CHOICE		0x0010
    90 #define SYMBOL_CHOICEVAL	0x0020
    91 #define SYMBOL_VALID		0x0080
    92 #define SYMBOL_OPTIONAL		0x0100
    93 #define SYMBOL_WRITE		0x0200
    94 #define SYMBOL_CHANGED		0x0400
    95 #define SYMBOL_AUTO		0x1000
    96 #define SYMBOL_CHECKED		0x2000
    97 #define SYMBOL_WARNED		0x8000
    98 #define SYMBOL_DEF		0x10000
    99 #define SYMBOL_DEF_USER		0x10000
   100 #define SYMBOL_DEF_AUTO		0x20000
   101 #define SYMBOL_DEF3		0x40000
   102 #define SYMBOL_DEF4		0x80000
   103 
   104 #define SYMBOL_MAXLENGTH	256
   105 #define SYMBOL_HASHSIZE		257
   106 #define SYMBOL_HASHMASK		0xff
   107 
   108 enum prop_type {
   109 	P_UNKNOWN, P_PROMPT, P_COMMENT, P_MENU, P_DEFAULT, P_CHOICE,
   110 	P_SELECT, P_RANGE, P_ENV
   111 };
   112 
   113 struct property {
   114 	struct property *next;
   115 	struct symbol *sym;
   116 	enum prop_type type;
   117 	const char *text;
   118 	struct expr_value visible;
   119 	struct expr *expr;
   120 	struct menu *menu;
   121 	struct file *file;
   122 	int lineno;
   123 };
   124 
   125 #define for_all_properties(sym, st, tok) \
   126 	for (st = sym->prop; st; st = st->next) \
   127 		if (st->type == (tok))
   128 #define for_all_defaults(sym, st) for_all_properties(sym, st, P_DEFAULT)
   129 #define for_all_choices(sym, st) for_all_properties(sym, st, P_CHOICE)
   130 #define for_all_prompts(sym, st) \
   131 	for (st = sym->prop; st; st = st->next) \
   132 		if (st->text)
   133 
   134 struct menu {
   135 	struct menu *next;
   136 	struct menu *parent;
   137 	struct menu *list;
   138 	struct symbol *sym;
   139 	struct property *prompt;
   140 	struct expr *dep;
   141 	unsigned int flags;
   142 	char *help;
   143 	struct file *file;
   144 	int lineno;
   145 	void *data;
   146 };
   147 
   148 #define MENU_CHANGED		0x0001
   149 #define MENU_ROOT		0x0002
   150 
   151 #ifndef SWIG
   152 
   153 extern struct file *file_list;
   154 extern struct file *current_file;
   155 struct file *lookup_file(const char *name);
   156 
   157 extern struct symbol symbol_yes, symbol_no, symbol_mod;
   158 extern struct symbol *modules_sym;
   159 extern struct symbol *sym_defconfig_list;
   160 extern int cdebug;
   161 struct expr *expr_alloc_symbol(struct symbol *sym);
   162 struct expr *expr_alloc_one(enum expr_type type, struct expr *ce);
   163 struct expr *expr_alloc_two(enum expr_type type, struct expr *e1, struct expr *e2);
   164 struct expr *expr_alloc_comp(enum expr_type type, struct symbol *s1, struct symbol *s2);
   165 struct expr *expr_alloc_and(struct expr *e1, struct expr *e2);
   166 struct expr *expr_alloc_or(struct expr *e1, struct expr *e2);
   167 struct expr *expr_copy(struct expr *org);
   168 void expr_free(struct expr *e);
   169 int expr_eq(struct expr *e1, struct expr *e2);
   170 void expr_eliminate_eq(struct expr **ep1, struct expr **ep2);
   171 tristate expr_calc_value(struct expr *e);
   172 struct expr *expr_eliminate_yn(struct expr *e);
   173 struct expr *expr_trans_bool(struct expr *e);
   174 struct expr *expr_eliminate_dups(struct expr *e);
   175 struct expr *expr_transform(struct expr *e);
   176 int expr_contains_symbol(struct expr *dep, struct symbol *sym);
   177 bool expr_depends_symbol(struct expr *dep, struct symbol *sym);
   178 struct expr *expr_extract_eq_and(struct expr **ep1, struct expr **ep2);
   179 struct expr *expr_extract_eq_or(struct expr **ep1, struct expr **ep2);
   180 void expr_extract_eq(enum expr_type type, struct expr **ep, struct expr **ep1, struct expr **ep2);
   181 struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symbol *sym);
   182 
   183 void expr_fprint(struct expr *e, FILE *out);
   184 struct gstr; /* forward */
   185 void expr_gstr_print(struct expr *e, struct gstr *gs);
   186 
   187 static inline int expr_is_yes(struct expr *e)
   188 {
   189 	return !e || (e->type == E_SYMBOL && e->left.sym == &symbol_yes);
   190 }
   191 
   192 static inline int expr_is_no(struct expr *e)
   193 {
   194 	return e && (e->type == E_SYMBOL && e->left.sym == &symbol_no);
   195 }
   196 #endif
   197 
   198 #ifdef __cplusplus
   199 }
   200 #endif
   201 
   202 #endif /* EXPR_H */