[PATCH] kconfig: simplify symbol type parsing

This simplifies the parser a bit by merging the various symbol types into a
single token and adds the type to the keyword hash.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

7 files changed, 342 insertions, 447 deletions

diff --git a/scripts/kconfig/lex.zconf.c_shipped b/scripts/kconfig/lex.zconf.c_shipped
index 0168141417f..bedba89a87c 100644
--- a/scripts/kconfig/lex.zconf.c_shipped
+++ b/scripts/kconfig/lex.zconf.c_shipped
@@ -1025,6 +1025,7 @@ YY_RULE_SETUP
 		struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng);
 		if (id && id->flags & TF_COMMAND) {
 			BEGIN(PARAM);
+			zconflval.id = id;
 			return id->token;
 		}
 		alloc_string(zconftext, zconfleng);
@@ -1091,8 +1092,10 @@ case 19:
 YY_RULE_SETUP
 {
 		struct kconf_id *id = kconf_id_lookup(zconftext, zconfleng);
-		if (id && id->flags & TF_PARAM)
+		if (id && id->flags & TF_PARAM) {
+			zconflval.id = id;
 			return id->token;
+		}
 		alloc_string(zconftext, zconfleng);
 		zconflval.string = text;
 		return T_WORD;
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index 6881fb08432..91491d0a302 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -45,6 +45,7 @@ struct kconf_id {
 	int name;
 	int token;
 	unsigned int flags;
+	enum symbol_type stype;
 };
 
 int zconfparse(void);
diff --git a/scripts/kconfig/zconf.gperf b/scripts/kconfig/zconf.gperf
index c9d81cf5d7f..b03220600b3 100644
--- a/scripts/kconfig/zconf.gperf
+++ b/scripts/kconfig/zconf.gperf
@@ -25,17 +25,17 @@ endif,		T_ENDIF,	TF_COMMAND
 depends,	T_DEPENDS,	TF_COMMAND
 requires,	T_REQUIRES,	TF_COMMAND
 optional,	T_OPTIONAL,	TF_COMMAND
-default,	T_DEFAULT,	TF_COMMAND
+default,	T_DEFAULT,	TF_COMMAND, S_UNKNOWN
 prompt,		T_PROMPT,	TF_COMMAND
-tristate,	T_TRISTATE,	TF_COMMAND
-def_tristate,	T_DEF_TRISTATE,	TF_COMMAND
-bool,		T_BOOLEAN,	TF_COMMAND
-boolean,	T_BOOLEAN,	TF_COMMAND
-def_bool,	T_DEF_BOOLEAN,	TF_COMMAND
-def_boolean,	T_DEF_BOOLEAN,	TF_COMMAND
-int,		T_INT,		TF_COMMAND
-hex,		T_HEX,		TF_COMMAND
-string,		T_STRING,	TF_COMMAND
+tristate,	T_TYPE,		TF_COMMAND, S_TRISTATE
+def_tristate,	T_DEFAULT,	TF_COMMAND, S_TRISTATE
+bool,		T_TYPE,		TF_COMMAND, S_BOOLEAN
+boolean,	T_TYPE,		TF_COMMAND, S_BOOLEAN
+def_bool,	T_DEFAULT,	TF_COMMAND, S_BOOLEAN
+def_boolean,	T_DEFAULT,	TF_COMMAND, S_BOOLEAN
+int,		T_TYPE,		TF_COMMAND, S_INT
+hex,		T_TYPE,		TF_COMMAND, S_HEX
+string,		T_TYPE,		TF_COMMAND, S_STRING
 select,		T_SELECT,	TF_COMMAND
 enable,		T_SELECT,	TF_COMMAND
 range,		T_RANGE,	TF_COMMAND
diff --git a/scripts/kconfig/zconf.hash.c_shipped b/scripts/kconfig/zconf.hash.c_shipped
index 6741cb15980..345f0fc07ca 100644
--- a/scripts/kconfig/zconf.hash.c_shipped
+++ b/scripts/kconfig/zconf.hash.c_shipped
@@ -172,27 +172,27 @@ kconf_id_lookup (register const char *str, register unsigned int len)
     {
       {-1}, {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str2,		T_IF,		TF_COMMAND|TF_PARAM},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str3,		T_INT,		TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str3,		T_TYPE,		TF_COMMAND, S_INT},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str4,		T_HELP,		TF_COMMAND},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str5,		T_ENDIF,	TF_COMMAND},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str6,		T_SELECT,	TF_COMMAND},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str7,	T_ENDMENU,	TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str8,	T_TRISTATE,	TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str8,	T_TYPE,		TF_COMMAND, S_TRISTATE},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str9,	T_ENDCHOICE,	TF_COMMAND},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str10,		T_RANGE,	TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str11,		T_STRING,	TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str12,	T_DEFAULT,	TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str13,	T_DEF_BOOLEAN,	TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str11,		T_TYPE,		TF_COMMAND, S_STRING},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str12,	T_DEFAULT,	TF_COMMAND, S_UNKNOWN},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str13,	T_DEFAULT,	TF_COMMAND, S_BOOLEAN},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str14,		T_MENU,		TF_COMMAND},
       {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str16,	T_DEF_BOOLEAN,	TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str17,	T_DEF_TRISTATE,	TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str16,	T_DEFAULT,	TF_COMMAND, S_BOOLEAN},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str17,	T_DEFAULT,	TF_COMMAND, S_TRISTATE},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str18,	T_MAINMENU,	TF_COMMAND},
       {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str20,	T_MENUCONFIG,	TF_COMMAND},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str21,		T_CONFIG,	TF_COMMAND},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str22,		T_ON,		TF_PARAM},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str23,		T_HEX,		TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str23,		T_TYPE,		TF_COMMAND, S_HEX},
       {-1}, {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str26,		T_SOURCE,	TF_COMMAND},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str27,	T_DEPENDS,	TF_COMMAND},
@@ -201,9 +201,9 @@ kconf_id_lookup (register const char *str, register unsigned int len)
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str31,		T_SELECT,	TF_COMMAND},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str32,	T_COMMENT,	TF_COMMAND},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str33,	T_REQUIRES,	TF_COMMAND},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str34,		T_BOOLEAN,	TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str34,		T_TYPE,		TF_COMMAND, S_BOOLEAN},
       {-1}, {-1},
-      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str37,	T_BOOLEAN,	TF_COMMAND},
+      {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str37,	T_TYPE,		TF_COMMAND, S_BOOLEAN},
       {-1}, {-1}, {-1},
       {(int)(long)&((struct kconf_id_strings_t *)0)->kconf_id_strings_str41,		T_CHOICE,	TF_COMMAND},
       {-1}, {-1}, {-1}, {-1},
diff --git a/scripts/kconfig/zconf.l b/scripts/kconfig/zconf.l
index ec902091be9..cfcfabd7a06 100644
--- a/scripts/kconfig/zconf.l
+++ b/scripts/kconfig/zconf.l
@@ -90,6 +90,7 @@ n	[A-Za-z0-9_]
 		struct kconf_id *id = kconf_id_lookup(yytext, yyleng);
 		if (id && id->flags & TF_COMMAND) {
 			BEGIN(PARAM);
+			zconflval.id = id;
 			return id->token;
 		}
 		alloc_string(yytext, yyleng);
@@ -117,8 +118,10 @@ n	[A-Za-z0-9_]
 	---	/* ignore */
 	({n}|[-/.])+	{
 		struct kconf_id *id = kconf_id_lookup(yytext, yyleng);
-		if (id && id->flags & TF_PARAM)
+		if (id && id->flags & TF_PARAM) {
+			zconflval.id = id;
 			return id->token;
+		}
 		alloc_string(yytext, yyleng);
 		zconflval.string = text;
 		return T_WORD;
diff --git a/scripts/kconfig/zconf.tab.c_shipped b/scripts/kconfig/zconf.tab.c_shipped
index 07fa508d465..3fc296274c9 100644
--- a/scripts/kconfig/zconf.tab.c_shipped
+++ b/scripts/kconfig/zconf.tab.c_shipped
@@ -78,28 +78,22 @@
      T_REQUIRES = 272,
      T_OPTIONAL = 273,
      T_PROMPT = 274,
-     T_DEFAULT = 275,
-     T_TRISTATE = 276,
-     T_DEF_TRISTATE = 277,
-     T_BOOLEAN = 278,
-     T_DEF_BOOLEAN = 279,
-     T_STRING = 280,
-     T_INT = 281,
-     T_HEX = 282,
-     T_WORD = 283,
-     T_WORD_QUOTE = 284,
-     T_UNEQUAL = 285,
+     T_TYPE = 275,
+     T_DEFAULT = 276,
+     T_SELECT = 277,
+     T_RANGE = 278,
+     T_ON = 279,
+     T_WORD = 280,
+     T_WORD_QUOTE = 281,
+     T_UNEQUAL = 282,
+     T_CLOSE_PAREN = 283,
+     T_OPEN_PAREN = 284,
+     T_EOL = 285,
      T_EOF = 286,
-     T_EOL = 287,
-     T_CLOSE_PAREN = 288,
-     T_OPEN_PAREN = 289,
-     T_ON = 290,
-     T_SELECT = 291,
-     T_RANGE = 292,
-     T_OR = 293,
-     T_AND = 294,
-     T_EQUAL = 295,
-     T_NOT = 296
+     T_OR = 287,
+     T_AND = 288,
+     T_EQUAL = 289,
+     T_NOT = 290
    };
 #endif
 #define T_MAINMENU 258
@@ -119,28 +113,22 @@
 #define T_REQUIRES 272
 #define T_OPTIONAL 273
 #define T_PROMPT 274
-#define T_DEFAULT 275
-#define T_TRISTATE 276
-#define T_DEF_TRISTATE 277
-#define T_BOOLEAN 278
-#define T_DEF_BOOLEAN 279
-#define T_STRING 280
-#define T_INT 281
-#define T_HEX 282
-#define T_WORD 283
-#define T_WORD_QUOTE 284
-#define T_UNEQUAL 285
+#define T_TYPE 275
+#define T_DEFAULT 276
+#define T_SELECT 277
+#define T_RANGE 278
+#define T_ON 279
+#define T_WORD 280
+#define T_WORD_QUOTE 281
+#define T_UNEQUAL 282
+#define T_CLOSE_PAREN 283
+#define T_OPEN_PAREN 284
+#define T_EOL 285
 #define T_EOF 286
-#define T_EOL 287
-#define T_CLOSE_PAREN 288
-#define T_OPEN_PAREN 289
-#define T_ON 290
-#define T_SELECT 291
-#define T_RANGE 292
-#define T_OR 293
-#define T_AND 294
-#define T_EQUAL 295
-#define T_NOT 296
+#define T_OR 287
+#define T_AND 288
+#define T_EQUAL 289
+#define T_NOT 290
 
 
 
@@ -205,6 +193,7 @@ typedef union YYSTYPE {
 	struct symbol *symbol;
 	struct expr *expr;
 	struct menu *menu;
+	struct kconf_id *id;
 } YYSTYPE;
 /* Line 190 of yacc.c.  */
 
@@ -321,20 +310,20 @@ union yyalloc
 /* YYFINAL -- State number of the termination state. */
 #define YYFINAL  2
 /* YYLAST -- Last index in YYTABLE.  */
-#define YYLAST   201
+#define YYLAST   179
 
 /* YYNTOKENS -- Number of terminals. */
-#define YYNTOKENS  42
+#define YYNTOKENS  36
 /* YYNNTS -- Number of nonterminals. */
 #define YYNNTS  41
 /* YYNRULES -- Number of rules. */
-#define YYNRULES  104
+#define YYNRULES  97
 /* YYNRULES -- Number of states. */
-#define YYNSTATES  182
+#define YYNSTATES  159
 
 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
 #define YYUNDEFTOK  2
-#define YYMAXUTOK   296
+#define YYMAXUTOK   290
 
 #define YYTRANSLATE(YYX) 						\
   ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
@@ -371,7 +360,7 @@ static const unsigned char yytranslate[] =
        5,     6,     7,     8,     9,    10,    11,    12,    13,    14,
       15,    16,    17,    18,    19,    20,    21,    22,    23,    24,
       25,    26,    27,    28,    29,    30,    31,    32,    33,    34,
-      35,    36,    37,    38,    39,    40,    41
+      35
 };
 
 #if YYDEBUG
@@ -382,67 +371,62 @@ static const unsigned short int yyprhs[] =
        0,     0,     3,     4,     7,     9,    11,    13,    17,    19,
       21,    23,    26,    28,    30,    32,    34,    36,    38,    42,
       45,    49,    52,    53,    56,    59,    62,    65,    69,    74,
-      78,    83,    87,    91,    95,   100,   105,   110,   116,   119,
-     122,   124,   128,   131,   132,   135,   138,   141,   144,   149,
-     153,   157,   160,   165,   166,   169,   173,   175,   179,   182,
-     183,   186,   189,   192,   196,   199,   201,   205,   208,   209,
-     212,   215,   218,   222,   226,   228,   232,   235,   238,   241,
-     242,   245,   248,   253,   257,   261,   262,   265,   267,   269,
-     272,   275,   278,   280,   282,   283,   286,   288,   292,   296,
-     300,   303,   307,   311,   313
+      79,    84,    90,    93,    96,    98,   102,   105,   106,   109,
+     112,   115,   118,   123,   127,   130,   135,   136,   139,   143,
+     145,   149,   152,   153,   156,   159,   162,   166,   169,   171,
+     175,   178,   179,   182,   185,   188,   192,   196,   198,   202,
+     205,   208,   211,   212,   215,   218,   223,   227,   231,   232,
+     235,   237,   239,   242,   245,   248,   250,   252,   253,   256,
+     258,   262,   266,   270,   273,   277,   281,   283
 };
 
 /* YYRHS -- A `-1'-separated list of the rules' RHS. */
 static const yysigned_char yyrhs[] =
 {
-      43,     0,    -1,    -1,    43,    44,    -1,    45,    -1,    55,
-      -1,    66,    -1,     3,    77,    79,    -1,     5,    -1,    15,
-      -1,     8,    -1,     1,    79,    -1,    61,    -1,    71,    -1,
-      47,    -1,    49,    -1,    69,    -1,    79,    -1,    10,    28,
-      32,    -1,    46,    50,    -1,    11,    28,    32,    -1,    48,
-      50,    -1,    -1,    50,    51,    -1,    50,    75,    -1,    50,
-      73,    -1,    50,    32,    -1,    21,    76,    32,    -1,    22,
-      81,    80,    32,    -1,    23,    76,    32,    -1,    24,    81,
-      80,    32,    -1,    26,    76,    32,    -1,    27,    76,    32,
-      -1,    25,    76,    32,    -1,    19,    77,    80,    32,    -1,
-      20,    81,    80,    32,    -1,    36,    28,    80,    32,    -1,
-      37,    82,    82,    80,    32,    -1,     7,    32,    -1,    52,
-      56,    -1,    78,    -1,    53,    58,    54,    -1,    53,    58,
-      -1,    -1,    56,    57,    -1,    56,    75,    -1,    56,    73,
-      -1,    56,    32,    -1,    19,    77,    80,    32,    -1,    21,
-      76,    32,    -1,    23,    76,    32,    -1,    18,    32,    -1,
-      20,    28,    80,    32,    -1,    -1,    58,    45,    -1,    14,
-      81,    32,    -1,    78,    -1,    59,    62,    60,    -1,    59,
-      62,    -1,    -1,    62,    45,    -1,    62,    66,    -1,    62,
-      55,    -1,     4,    77,    32,    -1,    63,    74,    -1,    78,
-      -1,    64,    67,    65,    -1,    64,    67,    -1,    -1,    67,
-      45,    -1,    67,    66,    -1,    67,    55,    -1,    67,     1,
-      32,    -1,     6,    77,    32,    -1,    68,    -1,     9,    77,
-      32,    -1,    70,    74,    -1,    12,    32,    -1,    72,    13,
-      -1,    -1,    74,    75,    -1,    74,    32,    -1,    16,    35,
-      81,    32,    -1,    16,    81,    32,    -1,    17,    81,    32,
-      -1,    -1,    77,    80,    -1,    28,    -1,    29,    -1,     5,
-      79,    -1,     8,    79,    -1,    15,    79,    -1,    32,    -1,
-      31,    -1,    -1,    14,    81,    -1,    82,    -1,    82,    40,
-      82,    -1,    82,    30,    82,    -1,    34,    81,    33,    -1,
-      41,    81,    -1,    81,    38,    81,    -1,    81,    39,    81,
-      -1,    28,    -1,    29,    -1
+      37,     0,    -1,    -1,    37,    38,    -1,    39,    -1,    49,
+      -1,    60,    -1,     3,    71,    73,    -1,     5,    -1,    15,
+      -1,     8,    -1,     1,    73,    -1,    55,    -1,    65,    -1,
+      41,    -1,    43,    -1,    63,    -1,    73,    -1,    10,    25,
+      30,    -1,    40,    44,    -1,    11,    25,    30,    -1,    42,
+      44,    -1,    -1,    44,    45,    -1,    44,    69,    -1,    44,
+      67,    -1,    44,    30,    -1,    20,    70,    30,    -1,    19,
+      71,    74,    30,    -1,    21,    75,    74,    30,    -1,    22,
+      25,    74,    30,    -1,    23,    76,    76,    74,    30,    -1,
+       7,    30,    -1,    46,    50,    -1,    72,    -1,    47,    52,
+      48,    -1,    47,    52,    -1,    -1,    50,    51,    -1,    50,
+      69,    -1,    50,    67,    -1,    50,    30,    -1,    19,    71,
+      74,    30,    -1,    20,    70,    30,    -1,    18,    30,    -1,
+      21,    25,    74,    30,    -1,    -1,    52,    39,    -1,    14,
+      75,    30,    -1,    72,    -1,    53,    56,    54,    -1,    53,
+      56,    -1,    -1,    56,    39,    -1,    56,    60,    -1,    56,
+      49,    -1,     4,    71,    30,    -1,    57,    68,    -1,    72,
+      -1,    58,    61,    59,    -1,    58,    61,    -1,    -1,    61,
+      39,    -1,    61,    60,    -1,    61,    49,    -1,    61,     1,
+      30,    -1,     6,    71,    30,    -1,    62,    -1,     9,    71,
+      30,    -1,    64,    68,    -1,    12,    30,    -1,    66,    13,
+      -1,    -1,    68,    69,    -1,    68,    30,    -1,    16,    24,
+      75,    30,    -1,    16,    75,    30,    -1,    17,    75,    30,
+      -1,    -1,    71,    74,    -1,    25,    -1,    26,    -1,     5,
+      73,    -1,     8,    73,    -1,    15,    73,    -1,    30,    -1,
+      31,    -1,    -1,    14,    75,    -1,    76,    -1,    76,    34,
+      76,    -1,    76,    27,    76,    -1,    29,    75,    28,    -1,
+      35,    75,    -1,    75,    32,    75,    -1,    75,    33,    75,
+      -1,    25,    -1,    26,    -1
 };
 
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const unsigned short int yyrline[] =
 {
-       0,    97,    97,    98,   101,   102,   103,   104,   105,   106,
-     107,   108,   112,   113,   114,   115,   116,   117,   123,   131,
-     137,   145,   155,   157,   158,   159,   160,   163,   169,   176,
-     182,   189,   195,   201,   207,   213,   219,   225,   233,   242,
-     248,   257,   258,   264,   266,   267,   268,   269,   272,   278,
-     284,   290,   296,   302,   304,   309,   318,   327,   328,   334,
-     336,   337,   338,   343,   350,   356,   365,   366,   372,   374,
-     375,   376,   377,   380,   386,   393,   400,   407,   413,   420,
-     421,   422,   425,   430,   435,   443,   445,   450,   451,   454,
-     455,   456,   460,   460,   462,   463,   466,   467,   468,   469,
-     470,   471,   472,   475,   476
+       0,    92,    92,    93,    96,    97,    98,    99,   100,   101,
+     102,   103,   107,   108,   109,   110,   111,   112,   118,   126,
+     132,   140,   150,   152,   153,   154,   155,   158,   166,   172,
+     182,   188,   196,   205,   211,   220,   221,   227,   229,   230,
+     231,   232,   235,   241,   252,   258,   268,   270,   275,   284,
+     293,   294,   300,   302,   303,   304,   309,   316,   322,   331,
+     332,   338,   340,   341,   342,   343,   346,   352,   359,   366,
+     373,   379,   386,   387,   388,   391,   396,   401,   409,   411,
+     416,   417,   420,   421,   422,   426,   426,   428,   429,   432,
+     433,   434,   435,   436,   437,   438,   441,   442
 };
 #endif
 
@@ -454,11 +438,10 @@ static const char *const yytname[] =
   "$end", "error", "$undefined", "T_MAINMENU", "T_MENU", "T_ENDMENU",
   "T_SOURCE", "T_CHOICE", "T_ENDCHOICE", "T_COMMENT", "T_CONFIG",
   "T_MENUCONFIG", "T_HELP", "T_HELPTEXT", "T_IF", "T_ENDIF", "T_DEPENDS",
-  "T_REQUIRES", "T_OPTIONAL", "T_PROMPT", "T_DEFAULT", "T_TRISTATE",
-  "T_DEF_TRISTATE", "T_BOOLEAN", "T_DEF_BOOLEAN", "T_STRING", "T_INT",
-  "T_HEX", "T_WORD", "T_WORD_QUOTE", "T_UNEQUAL", "T_EOF", "T_EOL",
-  "T_CLOSE_PAREN", "T_OPEN_PAREN", "T_ON", "T_SELECT", "T_RANGE", "T_OR",
-  "T_AND", "T_EQUAL", "T_NOT", "$accept", "input", "block", "common_block",
+  "T_REQUIRES", "T_OPTIONAL", "T_PROMPT", "T_TYPE", "T_DEFAULT",
+  "T_SELECT", "T_RANGE", "T_ON", "T_WORD", "T_WORD_QUOTE", "T_UNEQUAL",
+  "T_CLOSE_PAREN", "T_OPEN_PAREN", "T_EOL", "T_EOF", "T_OR", "T_AND",
+  "T_EQUAL", "T_NOT", "$accept", "input", "block", "common_block",
   "config_entry_start", "config_stmt", "menuconfig_entry_start",
   "menuconfig_stmt", "config_option_list", "config_option", "choice",
   "choice_entry", "choice_end", "choice_stmt", "choice_option_list",
@@ -478,25 +461,23 @@ static const unsigned short int yytoknum[] =
        0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
      265,   266,   267,   268,   269,   270,   271,   272,   273,   274,
      275,   276,   277,   278,   279,   280,   281,   282,   283,   284,
-     285,   286,   287,   288,   289,   290,   291,   292,   293,   294,
-     295,   296
+     285,   286,   287,   288,   289,   290
 };
 # endif
 
 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
 static const unsigned char yyr1[] =
 {
-       0,    42,    43,    43,    44,    44,    44,    44,    44,    44,
-      44,    44,    45,    45,    45,    45,    45,    45,    46,    47,
-      48,    49,    50,    50,    50,    50,    50,    51,    51,    51,
-      51,    51,    51,    51,    51,    51,    51,    51,    52,    53,
-      54,    55,    55,    56,    56,    56,    56,    56,    57,    57,
-      57,    57,    57,    58,    58,    59,    60,    61,    61,    62,
-      62,    62,    62,    63,    64,    65,    66,    66,    67,    67,
-      67,    67,    67,    68,    69,    70,    71,    72,    73,    74,
-      74,    74,    75,    75,    75,    76,    76,    77,    77,    78,
-      78,    78,    79,    79,    80,    80,    81,    81,    81,    81,
-      81,    81,    81,    82,    82
+       0,    36,    37,    37,    38,    38,    38,    38,    38,    38,
+      38,    38,    39,    39,    39,    39,    39,    39,    40,    41,
+      42,    43,    44,    44,    44,    44,    44,    45,    45,    45,
+      45,    45,    46,    47,    48,    49,    49,    50,    50,    50,
+      50,    50,    51,    51,    51,    51,    52,    52,    53,    54,
+      55,    55,    56,    56,    56,    56,    57,    58,    59,    60,
+      60,    61,    61,    61,    61,    61,    62,    63,    64,    65,
+      66,    67,    68,    68,    68,    69,    69,    69,    70,    70,
+      71,    71,    72,    72,    72,    73,    73,    74,    74,    75,
+      75,    75,    75,    75,    75,    75,    76,    76
 };
 
 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
@@ -504,15 +485,14 @@ static const unsigned char yyr2[] =
 {
        0,     2,     0,     2,     1,     1,     1,     3,     1,     1,
        1,     2,     1,     1,     1,     1,     1,     1,     3,     2,
-       3,     2,     0,     2,     2,     2,     2,     3,     4,     3,
-       4,     3,     3,     3,     4,     4,     4,     5,     2,     2,
-       1,     3,     2,     0,     2,     2,     2,     2,     4,     3,
-       3,     2,     4,     0,     2,     3,     1,     3,     2,     0,
-       2,     2,     2,     3,     2,     1,     3,     2,     0,     2,
-       2,     2,     3,     3,     1,     3,     2,     2,     2,     0,
-       2,     2,     4,     3,     3,     0,     2,     1,     1,     2,
-       2,     2,     1,     1,     0,     2,     1,     3,     3,     3,
-       2,     3,     3,     1,     1
+       3,     2,     0,     2,     2,     2,     2,     3,     4,     4,
+       4,     5,     2,     2,     1,     3,     2,     0,     2,     2,
+       2,     2,     4,     3,     2,     4,     0,     2,     3,     1,
+       3,     2,     0,     2,     2,     2,     3,     2,     1,     3,
+       2,     0,     2,     2,     2,     3,     3,     1,     3,     2,
+       2,     2,     0,     2,     2,     4,     3,     3,     0,     2,
+       1,     1,     2,     2,     2,     1,     1,     0,     2,     1,
+       3,     3,     3,     2,     3,     3,     1,     1
 };
 
 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
@@ -521,69 +501,63 @@ static const unsigned char yyr2[] =
 static const unsigned char yydefact[] =
 {
        2,     0,     1,     0,     0,     0,     8,     0,     0,    10,
-       0,     0,     0,     0,     9,    93,    92,     3,     4,    22,
-      14,    22,    15,    43,    53,     5,    59,    12,    79,    68,
-       6,    74,    16,    79,    13,    17,    11,    87,    88,     0,
-       0,     0,    38,     0,     0,     0,   103,   104,     0,     0,
-       0,    96,    19,    21,    39,    42,    58,    64,     0,    76,
-       7,    63,    73,    75,    18,    20,     0,   100,    55,     0,
-       0,     0,     0,     0,     0,     0,     0,     0,    85,     0,
-      85,     0,    85,    85,    85,    26,     0,     0,    23,     0,
-      25,    24,     0,     0,     0,    85,    85,    47,    44,    46,
-      45,     0,     0,     0,    54,    41,    40,    60,    62,    57,
-      61,    56,    81,    80,     0,    69,    71,    66,    70,    65,
-      99,   101,   102,    98,    97,    77,     0,     0,     0,    94,
-      94,     0,    94,    94,     0,    94,     0,     0,     0,    94,
-       0,    78,    51,    94,    94,     0,     0,    89,    90,    91,
-      72,     0,    83,    84,     0,     0,     0,    27,    86,     0,
-      29,     0,    33,    31,    32,     0,    94,     0,     0,    49,
-      50,    82,    95,    34,    35,    28,    30,    36,     0,    48,
-      52,    37
+       0,     0,     0,     0,     9,    85,    86,     3,     4,    22,
+      14,    22,    15,    37,    46,     5,    52,    12,    72,    61,
+       6,    67,    16,    72,    13,    17,    11,    80,    81,     0,
+       0,     0,    32,     0,     0,     0,    96,    97,     0,     0,
+       0,    89,    19,    21,    33,    36,    51,    57,     0,    69,
+       7,    56,    66,    68,    18,    20,     0,    93,    48,     0,
+       0,     0,     0,     0,     0,     0,     0,    78,     0,     0,
+       0,    26,    23,     0,    25,    24,     0,     0,    78,     0,
+      41,    38,    40,    39,     0,     0,     0,    47,    35,    34,
+      53,    55,    50,    54,    49,    74,    73,     0,    62,    64,
+      59,    63,    58,    92,    94,    95,    91,    90,    70,     0,
+       0,     0,    87,     0,    87,    87,    87,     0,    71,    44,
+      87,     0,    87,    82,    83,    84,    65,     0,    76,    77,
+       0,     0,    27,    79,     0,     0,    87,     0,    43,     0,
+      75,    88,    28,    29,    30,     0,    42,    45,    31
 };
 
 /* YYDEFGOTO[NTERM-NUM]. */
 static const short int yydefgoto[] =
 {
-      -1,     1,    17,    18,    19,    20,    21,    22,    52,    88,
-      23,    24,   105,    25,    54,    98,    55,    26,   109,    27,
-      56,    28,    29,   117,    30,    58,    31,    32,    33,    34,
-      89,    90,    57,    91,   131,   132,   106,    35,   155,    50,
+      -1,     1,    17,    18,    19,    20,    21,    22,    52,    82,
+      23,    24,    98,    25,    54,    91,    55,    26,   102,    27,
+      56,    28,    29,   110,    30,    58,    31,    32,    33,    34,
+      83,    84,    57,    85,   123,   124,    99,    35,   141,    50,
       51
 };
 
 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
    STATE-NUM.  */
-#define YYPACT_NINF -99
+#define YYPACT_NINF -113
 static const short int yypact[] =
 {
-     -99,    48,   -99,    38,    46,    46,   -99,    46,   -29,   -99,
-      46,   -17,    -3,   -11,   -99,   -99,   -99,   -99,   -99,   -99,
-     -99,   -99,   -99,   -99,   -99,   -99,   -99,   -99,   -99,   -99,
-     -99,   -99,   -99,   -99,   -99,   -99,   -99,   -99,   -99,    38,
-      12,    15,   -99,    18,    51,    62,   -99,   -99,   -11,   -11,
-       4,   -24,   138,   138,   160,   121,   110,    -4,    81,    -4,
-     -99,   -99,   -99,   -99,   -99,   -99,   -19,   -99,   -99,   -11,
-     -11,    70,    70,    73,    32,   -11,    46,   -11,    46,   -11,
-      46,   -11,    46,    46,    46,   -99,    36,    70,   -99,    95,
-     -99,   -99,    96,    46,   106,    46,    46,   -99,   -99,   -99,
-     -99,    38,    38,    38,   -99,   -99,   -99,   -99,   -99,   -99,
-     -99,   -99,   -99,   -99,   112,   -99,   -99,   -99,   -99,   -99,
-     -99,   117,   -99,   -99,   -99,   -99,   -11,    33,    65,   131,
-       1,   119,   131,     1,   136,     1,   153,   154,   155,   131,
-      70,   -99,   -99,   131,   131,   156,   157,   -99,   -99,   -99,
-     -99,   101,   -99,   -99,   -11,   158,   159,   -99,   -99,   161,
-     -99,   162,   -99,   -99,   -99,   163,   131,   164,   165,   -99,
-     -99,   -99,    99,   -99,   -99,   -99,   -99,   -99,   166,   -99,
-     -99,   -99
+    -113,    37,  -113,   114,   136,   136,  -113,   136,   -29,  -113,
+     136,   -19,   -14,   -10,  -113,  -113,  -113,  -113,  -113,  -113,
+    -113,  -113,  -113,  -113,  -113,  -113,  -113,  -113,  -113,  -113,
+    -113,  -113,  -113,  -113,  -113,  -113,  -113,  -113,  -113,   114,
+       9,    25,  -113,    56,    60,    65,  -113,  -113,   -10,   -10,
+      33,    -1,   108,   108,    41,   103,    92,     5,    74,     5,
+    -113,  -113,  -113,  -113,  -113,  -113,   115,  -113,  -113,   -10,
+     -10,   138,   138,    80,   111,   -10,   136,   136,   -10,     2,
+     138,  -113,  -113,   113,  -113,  -113,    85,   136,   136,   107,
+    -113,  -113,  -113,  -113,   114,   114,   114,  -113,  -113,  -113,
+    -113,  -113,  -113,  -113,  -113,  -113,  -113,   120,  -113,  -113,
+    -113,  -113,  -113,  -113,   121,  -113,  -113,  -113,  -113,   -10,
+     109,   119,    16,   137,    16,    17,    16,   138,  -113,  -113,
+      16,   139,    16,  -113,  -113,  -113,  -113,   123,  -113,  -113,
+     -10,   140,  -113,  -113,   141,   142,    16,   143,  -113,   144,
+    -113,   133,  -113,  -113,  -113,   145,  -113,  -113,  -113
 };
 
 /* YYPGOTO[NTERM-NUM].  */
 static const short int yypgoto[] =
 {
-     -99,   -99,   -99,   111,   -99,   -99,   -99,   -99,   178,   -99,
-     -99,   -99,   -99,    91,   -99,   -99,   -99,   -99,   -99,   -99,
-     -99,   -99,   -99,   -99,   115,   -99,   -99,   -99,   -99,   -99,
-     -99,   146,   168,    89,    27,     0,   126,    -1,   -98,   -48,
+    -113,  -113,  -113,    14,  -113,  -113,  -113,  -113,   147,  -113,
+    -113,  -113,  -113,    -2,  -113,  -113,  -113,  -113,  -113,  -113,
+    -113,  -113,  -113,  -113,   101,  -113,  -113,  -113,  -113,  -113,
+    -113,   122,   146,    62,    89,     0,   102,    -3,  -112,   -46,
      -63
 };
 
@@ -591,80 +565,71 @@ static const short int yypgoto[] =
    positive, shift that token.  If negative, reduce the rule which
    number is the opposite.  If zero, do what YYDEFACT says.
    If YYTABLE_NINF, syntax error.  */
-#define YYTABLE_NINF -68
+#define YYTABLE_NINF -61
 static const short int yytable[] =
 {
-      66,    67,    36,    42,    39,    40,    71,    41,   123,   124,
-      43,    44,    74,    75,   120,   154,    72,    46,    47,    69,
-      70,   121,   122,    48,   140,    45,   127,   128,   112,   130,
-      49,   133,   156,   135,   158,   159,    68,   161,    60,    69,
-      70,   165,    69,    70,    61,   167,   168,    62,     2,     3,
-      63,     4,     5,     6,     7,     8,     9,    10,    11,    12,
-      46,    47,    13,    14,   139,   152,    48,   126,   178,    15,
-      16,    69,    70,    49,    37,    38,   129,   166,   151,    15,
-      16,   -67,   114,    64,   -67,     5,   101,     7,     8,   102,
-      10,    11,    12,   143,    65,    13,   103,   153,    46,    47,
-     147,   148,   149,    69,    70,   125,   172,   134,   141,   136,
-     137,   138,    15,    16,     5,   101,     7,     8,   102,    10,
-      11,    12,   145,   146,    13,   103,   101,     7,   142,   102,
-      10,    11,    12,   171,   144,    13,   103,    69,    70,    69,
-      70,    15,    16,   100,   150,   154,   113,   108,   113,   116,
-      73,   157,    15,    16,    74,    75,    70,    76,    77,    78,
-      79,    80,    81,    82,    83,    84,   104,   107,   160,   115,
-      85,   110,    73,   118,    86,    87,    74,    75,    92,    93,
-      94,    95,   111,    96,   119,   162,   163,   164,   169,   170,
-     173,   174,    97,   175,   176,   177,   179,   180,   181,    53,
-      99,    59
+      36,    42,    66,    67,    39,    40,    44,    41,   116,   117,
+      43,    45,   143,   144,   145,    46,    47,   127,   147,    48,
+     149,    74,    75,   114,   115,    49,    71,   126,   120,   121,
+     140,   140,   125,    72,   155,   105,    60,     2,     3,    61,
+       4,     5,     6,     7,     8,     9,    10,    11,    12,    69,
+      70,    13,    14,    73,   101,    62,   109,    74,    75,    86,
+      87,    88,    89,    68,   146,    69,    70,    15,    16,    97,
+     100,    90,   108,   137,   -60,   107,   122,   -60,     5,    94,
+       7,     8,    95,    10,    11,    12,    63,   130,    13,    96,
+      64,   133,   134,   135,   151,    65,     5,    94,     7,     8,
+      95,    10,    11,    12,    15,    16,    13,    96,    94,     7,
+     118,    95,    10,    11,    12,   129,    93,    13,    96,   106,
+      73,   106,    15,    16,    74,    75,   128,    76,    77,    78,
+      79,    80,   132,    15,    16,   119,    46,    47,    81,   138,
+      48,    69,    70,   113,    15,    16,    49,    69,    70,   139,
+     136,    69,    70,   150,    70,    69,    70,   103,   104,   111,
+     112,    37,    38,    46,    47,    69,    70,   142,    53,   148,
+     152,   153,   154,   156,   157,   158,    92,   131,     0,    59
 };
 
-static const unsigned char yycheck[] =
+static const short int yycheck[] =
 {
-      48,    49,     3,    32,     4,     5,    30,     7,    71,    72,
-      10,    28,    16,    17,    33,    14,    40,    28,    29,    38,
-      39,    69,    70,    34,    87,    28,    74,    75,    32,    77,
-      41,    79,   130,    81,   132,   133,    32,   135,    39,    38,
-      39,   139,    38,    39,    32,   143,   144,    32,     0,     1,
-      32,     3,     4,     5,     6,     7,     8,     9,    10,    11,
-      28,    29,    14,    15,    28,    32,    34,    35,   166,    31,
-      32,    38,    39,    41,    28,    29,    76,   140,   126,    31,
-      32,     0,     1,    32,     3,     4,     5,     6,     7,     8,
-       9,    10,    11,    93,    32,    14,    15,    32,    28,    29,
-     101,   102,   103,    38,    39,    32,   154,    80,    13,    82,
-      83,    84,    31,    32,     4,     5,     6,     7,     8,     9,
-      10,    11,    95,    96,    14,    15,     5,     6,    32,     8,
-       9,    10,    11,    32,    28,    14,    15,    38,    39,    38,
-      39,    31,    32,    54,    32,    14,    57,    56,    59,    58,
-      12,    32,    31,    32,    16,    17,    39,    19,    20,    21,
-      22,    23,    24,    25,    26,    27,    55,    56,    32,    58,
-      32,    56,    12,    58,    36,    37,    16,    17,    18,    19,
-      20,    21,    56,    23,    58,    32,    32,    32,    32,    32,
-      32,    32,    32,    32,    32,    32,    32,    32,    32,    21,
-      54,    33
+       3,    30,    48,    49,     4,     5,    25,     7,    71,    72,
+      10,    25,   124,   125,   126,    25,    26,    80,   130,    29,
+     132,    16,    17,    69,    70,    35,    27,    25,    74,    75,
+      14,    14,    78,    34,   146,    30,    39,     0,     1,    30,
+       3,     4,     5,     6,     7,     8,     9,    10,    11,    32,
+      33,    14,    15,    12,    56,    30,    58,    16,    17,    18,
+      19,    20,    21,    30,   127,    32,    33,    30,    31,    55,
+      56,    30,    58,   119,     0,     1,    76,     3,     4,     5,
+       6,     7,     8,     9,    10,    11,    30,    87,    14,    15,
+      30,    94,    95,    96,   140,    30,     4,     5,     6,     7,
+       8,     9,    10,    11,    30,    31,    14,    15,     5,     6,
+      30,     8,     9,    10,    11,    30,    54,    14,    15,    57,
+      12,    59,    30,    31,    16,    17,    13,    19,    20,    21,
+      22,    23,    25,    30,    31,    24,    25,    26,    30,    30,
+      29,    32,    33,    28,    30,    31,    35,    32,    33,    30,
+      30,    32,    33,    30,    33,    32,    33,    56,    56,    58,
+      58,    25,    26,    25,    26,    32,    33,    30,    21,    30,
+      30,    30,    30,    30,    30,    30,    54,    88,    -1,    33
 };
 
 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
    symbol of state STATE-NUM.  */
 static const unsigned char yystos[] =
 {
-       0,    43,     0,     1,     3,     4,     5,     6,     7,     8,
-       9,    10,    11,    14,    15,    31,    32,    44,    45,    46,
-      47,    48,    49,    52,    53,    55,    59,    61,    63,    64,
-      66,    68,    69,    70,    71,    79,    79,    28,    29,    77,
-      77,    77,    32,    77,    28,    28,    28,    29,    34,    41,
-      81,    82,    50,    50,    56,    58,    62,    74,    67,    74,
-      79,    32,    32,    32,    32,    32,    81,    81,    32,    38,
-      39,    30,    40,    12,    16,    17,    19,    20,    21,    22,
-      23,    24,    25,    26,    27,    32,    36,    37,    51,    72,
-      73,    75,    18,    19,    20,    21,    23,    32,    57,    73,
-      75,     5,     8,    15,    45,    54,    78,    45,    55,    60,
-      66,    78,    32,    75,     1,    45,    55,    65,    66,    78,
-      33,    81,    81,    82,    82,    32,    35,    81,    81,    77,
-      81,    76,    77,    81,    76,    81,    76,    76,    76,    28,
-      82,    13,    32,    77,    28,    76,    76,    79,    79,    79,
-      32,    81,    32,    32,    14,    80,    80,    32,    80,    80,
-      32,    80,    32,    32,    32,    80,    82,    80,    80,    32,
-      32,    32,    81,    32,    32,    32,    32,    32,    80,    32,
-      32,    32
+       0,    37,     0,     1,     3,     4,     5,     6,     7,     8,
+       9,    10,    11,    14,    15,    30,    31,    38,    39,    40,
+      41,    42,    43,    46,    47,    49,    53,    55,    57,    58,
+      60,    62,    63,    64,    65,    73,    73,    25,    26,    71,
+      71,    71,    30,    71,    25,    25,    25,    26,    29,    35,
+      75,    76,    44,    44,    50,    52,    56,    68,    61,    68,
+      73,    30,    30,    30,    30,    30,    75,    75,    30,    32,
+      33,    27,    34,    12,    16,    17,    19,    20,    21,    22,
+      23,    30,    45,    66,    67,    69,    18,    19,    20,    21,
+      30,    51,    67,    69,     5,     8,    15,    39,    48,    72,
+      39,    49,    54,    60,    72,    30,    69,     1,    39,    49,
+      59,    60,    72,    28,    75,    75,    76,    76,    30,    24,
+      75,    75,    71,    70,    71,    75,    25,    76,    13,    30,
+      71,    70,    25,    73,    73,    73,    30,    75,    30,    30,
+      14,    74,    30,    74,    74,    74,    76,    74,    30,    74,
+      30,    75,    30,    30,    30,    74,    30,    30,    30
 };
 
 #if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
@@ -1367,78 +1332,34 @@ yyreduce:
   case 27:
 
     {
-	menu_set_type(S_TRISTATE);
-	printd(DEBUG_PARSE, "%s:%d:tristate\n", zconf_curname(), zconf_lineno());
+	menu_set_type((yyvsp[-2].id)->stype);
+	printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
+		zconf_curname(), zconf_lineno(),
+		(yyvsp[-2].id)->stype);
 ;}
     break;
 
   case 28:
 
     {
-	menu_add_expr(P_DEFAULT, (yyvsp[-2].expr), (yyvsp[-1].expr));
-	menu_set_type(S_TRISTATE);
-	printd(DEBUG_PARSE, "%s:%d:def_boolean\n", zconf_curname(), zconf_lineno());
-;}
-    break;
-
-  case 29:
-
-    {
-	menu_set_type(S_BOOLEAN);
-	printd(DEBUG_PARSE, "%s:%d:boolean\n", zconf_curname(), zconf_lineno());
-;}
-    break;
-
-  case 30:
-
-    {
-	menu_add_expr(P_DEFAULT, (yyvsp[-2].expr), (yyvsp[-1].expr));
-	menu_set_type(S_BOOLEAN);
-	printd(DEBUG_PARSE, "%s:%d:def_boolean\n", zconf_curname(), zconf_lineno());
-;}
-    break;
-
-  case 31:
-
-    {
-	menu_set_type(S_INT);
-	printd(DEBUG_PARSE, "%s:%d:int\n", zconf_curname(), zconf_lineno());
-;}
-    break;
-
-  case 32:
-
-    {
-	menu_set_type(S_HEX);
-	printd(DEBUG_PARSE, "%s:%d:hex\n", zconf_curname(), zconf_lineno());
-;}
-    break;
-
-  case 33:
-
-    {
-	menu_set_type(S_STRING);
-	printd(DEBUG_PARSE, "%s:%d:string\n", zconf_curname(), zconf_lineno());
-;}
-    break;
-
-  case 34:
-
-    {
 	menu_add_prompt(P_PROMPT, (yyvsp[-2].string), (yyvsp[-1].expr));
 	printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
 ;}
     break;
 
-  case 35:
+  case 29:
 
     {
 	menu_add_expr(P_DEFAULT, (yyvsp[-2].expr), (yyvsp[-1].expr));
-	printd(DEBUG_PARSE, "%s:%d:default\n", zconf_curname(), zconf_lineno());
+	if ((yyvsp[-3].id)->stype != S_UNKNOWN)
+		menu_set_type((yyvsp[-3].id)->stype);
+	printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
+		zconf_curname(), zconf_lineno(),
+		(yyvsp[-3].id)->stype);
 ;}
     break;
 
-  case 36:
+  case 30:
 
     {
 	menu_add_symbol(P_SELECT, sym_lookup((yyvsp[-2].string), 0), (yyvsp[-1].expr));
@@ -1446,7 +1367,7 @@ yyreduce:
 ;}
     break;
 
-  case 37:
+  case 31:
 
     {
 	menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,(yyvsp[-3].symbol), (yyvsp[-2].symbol)), (yyvsp[-1].expr));
@@ -1454,7 +1375,7 @@ yyreduce:
 ;}
     break;
 
-  case 38:
+  case 32:
 
     {
 	struct symbol *sym = sym_lookup(NULL, 0);
@@ -1465,7 +1386,7 @@ yyreduce:
 ;}
     break;
 
-  case 39:
+  case 33:
 
     {
 	menu_end_entry();
@@ -1473,7 +1394,7 @@ yyreduce:
 ;}
     break;
 
-  case 40:
+  case 34:
 
     {
 	if (zconf_endtoken((yyvsp[0].token), T_CHOICE, T_ENDCHOICE)) {
@@ -1483,7 +1404,7 @@ yyreduce:
 ;}
     break;
 
-  case 42:
+  case 36:
 
     {
 	printf("%s:%d: missing 'endchoice' for this 'choice' statement\n", current_menu->file->name, current_menu->lineno);
@@ -1491,7 +1412,7 @@ yyreduce:
 ;}
     break;
 
-  case 48:
+  case 42:
 
     {
 	menu_add_prompt(P_PROMPT, (yyvsp[-2].string), (yyvsp[-1].expr));
@@ -1499,23 +1420,20 @@ yyreduce:
 ;}
     break;
 
-  case 49:
-
-    {
-	menu_set_type(S_TRISTATE);
-	printd(DEBUG_PARSE, "%s:%d:tristate\n", zconf_curname(), zconf_lineno());
-;}
-    break;
-
-  case 50:
+  case 43:
 
     {
-	menu_set_type(S_BOOLEAN);
-	printd(DEBUG_PARSE, "%s:%d:boolean\n", zconf_curname(), zconf_lineno());
+	if ((yyvsp[-2].id)->stype == S_BOOLEAN || (yyvsp[-2].id)->stype == S_TRISTATE) {
+		menu_set_type((yyvsp[-2].id)->stype);
+		printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
+			zconf_curname(), zconf_lineno(),
+			(yyvsp[-2].id)->stype);
+	} else
+		YYERROR;
 ;}
     break;
 
-  case 51:
+  case 44:
 
     {
 	current_entry->sym->flags |= SYMBOL_OPTIONAL;
@@ -1523,15 +1441,19 @@ yyreduce:
 ;}
     break;
 
-  case 52:
+  case 45:
 
     {
-	menu_add_symbol(P_DEFAULT, sym_lookup((yyvsp[-2].string), 0), (yyvsp[-1].expr));
-	printd(DEBUG_PARSE, "%s:%d:default\n", zconf_curname(), zconf_lineno());
+	if ((yyvsp[-3].id)->stype == S_UNKNOWN) {
+		menu_add_symbol(P_DEFAULT, sym_lookup((yyvsp[-2].string), 0), (yyvsp[-1].expr));
+		printd(DEBUG_PARSE, "%s:%d:default\n",
+			zconf_curname(), zconf_lineno());
+	} else
+		YYERROR;
 ;}
     break;
 
-  case 55:
+  case 48:
 
     {
 	printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
@@ -1542,7 +1464,7 @@ yyreduce:
 ;}
     break;
 
-  case 56:
+  case 49:
 
     {
 	if (zconf_endtoken((yyvsp[0].token), T_IF, T_ENDIF)) {
@@ -1552,7 +1474,7 @@ yyreduce:
 ;}
     break;
 
-  case 58:
+  case 51:
 
     {
 	printf("%s:%d: missing 'endif' for this 'if' statement\n", current_menu->file->name, current_menu->lineno);
@@ -1560,7 +1482,7 @@ yyreduce:
 ;}
     break;
 
-  case 63:
+  case 56:
 
     {
 	menu_add_entry(NULL);
@@ -1569,7 +1491,7 @@ yyreduce:
 ;}
     break;
 
-  case 64:
+  case 57:
 
     {
 	menu_end_entry();
@@ -1577,7 +1499,7 @@ yyreduce:
 ;}
     break;
 
-  case 65:
+  case 58:
 
     {
 	if (zconf_endtoken((yyvsp[0].token), T_MENU, T_ENDMENU)) {
@@ -1587,7 +1509,7 @@ yyreduce:
 ;}
     break;
 
-  case 67:
+  case 60:
 
     {
 	printf("%s:%d: missing 'endmenu' for this 'menu' statement\n", current_menu->file->name, current_menu->lineno);
@@ -1595,12 +1517,12 @@ yyreduce:
 ;}
     break;
 
-  case 72:
+  case 65:
 
     { zconfprint("invalid menu option"); yyerrok; ;}
     break;
 
-  case 73:
+  case 66:
 
     {
 	(yyval.string) = (yyvsp[-1].string);
@@ -1608,14 +1530,14 @@ yyreduce:
 ;}
     break;
 
-  case 74:
+  case 67:
 
     {
 	zconf_nextfile((yyvsp[0].string));
 ;}
     break;
 
-  case 75:
+  case 68:
 
     {
 	menu_add_entry(NULL);
@@ -1624,14 +1546,14 @@ yyreduce:
 ;}
     break;
 
-  case 76:
+  case 69:
 
     {
 	menu_end_entry();
 ;}
     break;
 
-  case 77:
+  case 70:
 
     {
 	printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
@@ -1639,14 +1561,14 @@ yyreduce:
 ;}
     break;
 
-  case 78:
+  case 71:
 
     {
 	current_entry->sym->help = (yyvsp[0].string);
 ;}
     break;
 
-  case 82:
+  case 75:
 
     {
 	menu_add_dep((yyvsp[-1].expr));
@@ -1654,7 +1576,7 @@ yyreduce:
 ;}
     break;
 
-  case 83:
+  case 76:
 
     {
 	menu_add_dep((yyvsp[-1].expr));
@@ -1662,7 +1584,7 @@ yyreduce:
 ;}
     break;
 
-  case 84:
+  case 77:
 
     {
 	menu_add_dep((yyvsp[-1].expr));
@@ -1670,79 +1592,79 @@ yyreduce:
 ;}
     break;
 
-  case 86:
+  case 79:
 
     {
 	menu_add_prompt(P_PROMPT, (yyvsp[-1].string), (yyvsp[0].expr));
 ;}
     break;
 
-  case 89:
+  case 82:
 
     { (yyval.token) = T_ENDMENU; ;}
     break;
 
-  case 90:
+  case 83:
 
     { (yyval.token) = T_ENDCHOICE; ;}
     break;
 
-  case 91:
+  case 84:
 
     { (yyval.token) = T_ENDIF; ;}
     break;
 
-  case 94:
+  case 87:
 
     { (yyval.expr) = NULL; ;}
     break;
 
-  case 95:
+  case 88:
 
     { (yyval.expr) = (yyvsp[0].expr); ;}
     break;
 
-  case 96:
+  case 89:
 
     { (yyval.expr) = expr_alloc_symbol((yyvsp[0].symbol)); ;}
     break;
 
-  case 97:
+  case 90:
 
     { (yyval.expr) = expr_alloc_comp(E_EQUAL, (yyvsp[-2].symbol), (yyvsp[0].symbol)); ;}
     break;
 
-  case 98:
+  case 91:
 
     { (yyval.expr) = expr_alloc_comp(E_UNEQUAL, (yyvsp[-2].symbol), (yyvsp[0].symbol)); ;}
     break;
 
-  case 99:
+  case 92:
 
     { (yyval.expr) = (yyvsp[-1].expr); ;}
     break;
 
-  case 100:
+  case 93:
 
     { (yyval.expr) = expr_alloc_one(E_NOT, (yyvsp[0].expr)); ;}
     break;
 
-  case 101:
+  case 94:
 
     { (yyval.expr) = expr_alloc_two(E_OR, (yyvsp[-2].expr), (yyvsp[0].expr)); ;}
     break;
 
-  case 102:
+  case 95:
 
     { (yyval.expr) = expr_alloc_two(E_AND, (yyvsp[-2].expr), (yyvsp[0].expr)); ;}
     break;
 
-  case 103:
+  case 96:
 
     { (yyval.symbol) = sym_lookup((yyvsp[0].string), 0); free((yyvsp[0].string)); ;}
     break;
 
-  case 104:
+  case 97:
 
     { (yyval.symbol) = sym_lookup((yyvsp[0].string), 1); free((yyvsp[0].string)); ;}
     break;
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index 43021d436ba..1211781675b 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -43,43 +43,38 @@ static struct menu *current_menu, *current_entry;
 	struct symbol *symbol;
 	struct expr *expr;
 	struct menu *menu;
+	struct kconf_id *id;
 }
 
-%token T_MAINMENU
-%token T_MENU
-%token T_ENDMENU
-%token T_SOURCE
-%token T_CHOICE
-%token T_ENDCHOICE
-%token T_COMMENT
-%token T_CONFIG
-%token T_MENUCONFIG
-%token T_HELP
+%token <id>T_MAINMENU
+%token <id>T_MENU
+%token <id>T_ENDMENU
+%token <id>T_SOURCE
+%token <id>T_CHOICE
+%token <id>T_ENDCHOICE
+%token <id>T_COMMENT
+%token <id>T_CONFIG
+%token <id>T_MENUCONFIG
+%token <id>T_HELP
 %token <string> T_HELPTEXT
-%token T_IF
-%token T_ENDIF
-%token T_DEPENDS
-%token T_REQUIRES
-%token T_OPTIONAL
-%token T_PROMPT
-%token T_DEFAULT
-%token T_TRISTATE
-%token T_DEF_TRISTATE
-%token T_BOOLEAN
-%token T_DEF_BOOLEAN
-%token T_STRING
-%token T_INT
-%token T_HEX
+%token <id>T_IF
+%token <id>T_ENDIF
+%token <id>T_DEPENDS
+%token <id>T_REQUIRES
+%token <id>T_OPTIONAL
+%token <id>T_PROMPT
+%token <id>T_TYPE
+%token <id>T_DEFAULT
+%token <id>T_SELECT
+%token <id>T_RANGE
+%token <id>T_ON
 %token <string> T_WORD
 %token <string> T_WORD_QUOTE
 %token T_UNEQUAL
-%token T_EOF
-%token T_EOL
 %token T_CLOSE_PAREN
 %token T_OPEN_PAREN
-%token T_ON
-%token T_SELECT
-%token T_RANGE
+%token T_EOL
+%token T_EOF
 
 %left T_OR
 %left T_AND
@@ -160,48 +155,12 @@ config_option_list:
 	| config_option_list T_EOL
 ;
 
-config_option: T_TRISTATE prompt_stmt_opt T_EOL
-{
-	menu_set_type(S_TRISTATE);
-	printd(DEBUG_PARSE, "%s:%d:tristate\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_DEF_TRISTATE expr if_expr T_EOL
+config_option: T_TYPE prompt_stmt_opt T_EOL
 {
-	menu_add_expr(P_DEFAULT, $2, $3);
-	menu_set_type(S_TRISTATE);
-	printd(DEBUG_PARSE, "%s:%d:def_boolean\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_BOOLEAN prompt_stmt_opt T_EOL
-{
-	menu_set_type(S_BOOLEAN);
-	printd(DEBUG_PARSE, "%s:%d:boolean\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_DEF_BOOLEAN expr if_expr T_EOL
-{
-	menu_add_expr(P_DEFAULT, $2, $3);
-	menu_set_type(S_BOOLEAN);
-	printd(DEBUG_PARSE, "%s:%d:def_boolean\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_INT prompt_stmt_opt T_EOL
-{
-	menu_set_type(S_INT);
-	printd(DEBUG_PARSE, "%s:%d:int\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_HEX prompt_stmt_opt T_EOL
-{
-	menu_set_type(S_HEX);
-	printd(DEBUG_PARSE, "%s:%d:hex\n", zconf_curname(), zconf_lineno());
-};
-
-config_option: T_STRING prompt_stmt_opt T_EOL
-{
-	menu_set_type(S_STRING);
-	printd(DEBUG_PARSE, "%s:%d:string\n", zconf_curname(), zconf_lineno());
+	menu_set_type($1->stype);
+	printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
+		zconf_curname(), zconf_lineno(),
+		$1->stype);
 };
 
 config_option: T_PROMPT prompt if_expr T_EOL
@@ -213,7 +172,11 @@ config_option: T_PROMPT prompt if_expr T_EOL
 config_option: T_DEFAULT expr if_expr T_EOL
 {
 	menu_add_expr(P_DEFAULT, $2, $3);
-	printd(DEBUG_PARSE, "%s:%d:default\n", zconf_curname(), zconf_lineno());
+	if ($1->stype != S_UNKNOWN)
+		menu_set_type($1->stype);
+	printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
+		zconf_curname(), zconf_lineno(),
+		$1->stype);
 };
 
 config_option: T_SELECT T_WORD if_expr T_EOL
@@ -275,16 +238,15 @@ choice_option: T_PROMPT prompt if_expr T_EOL
 	printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
 };
 
-choice_option: T_TRISTATE prompt_stmt_opt T_EOL
-{
-	menu_set_type(S_TRISTATE);
-	printd(DEBUG_PARSE, "%s:%d:tristate\n", zconf_curname(), zconf_lineno());
-};
-
-choice_option: T_BOOLEAN prompt_stmt_opt T_EOL
+choice_option: T_TYPE prompt_stmt_opt T_EOL
 {
-	menu_set_type(S_BOOLEAN);
-	printd(DEBUG_PARSE, "%s:%d:boolean\n", zconf_curname(), zconf_lineno());
+	if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
+		menu_set_type($1->stype);
+		printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
+			zconf_curname(), zconf_lineno(),
+			$1->stype);
+	} else
+		YYERROR;
 };
 
 choice_option: T_OPTIONAL T_EOL
@@ -295,8 +257,12 @@ choice_option: T_OPTIONAL T_EOL
 
 choice_option: T_DEFAULT T_WORD if_expr T_EOL
 {
-	menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3);
-	printd(DEBUG_PARSE, "%s:%d:default\n", zconf_curname(), zconf_lineno());
+	if ($1->stype == S_UNKNOWN) {
+		menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3);
+		printd(DEBUG_PARSE, "%s:%d:default\n",
+			zconf_curname(), zconf_lineno());
+	} else
+		YYERROR;
 };
 
 choice_block: