kconfig: add symbol option config syntax
This adds the general framework to the parser to define options for config
symbols with a syntax like:
config FOO
option bar[="arg"]
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
diff --git a/scripts/kconfig/lex.zconf.c_shipped b/scripts/kconfig/lex.zconf.c_shipped
index 24e3c8c..800f8c7 100644
--- a/scripts/kconfig/lex.zconf.c_shipped
+++ b/scripts/kconfig/lex.zconf.c_shipped
@@ -8,7 +8,7 @@
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5
-#define YY_FLEX_SUBMINOR_VERSION 31
+#define YY_FLEX_SUBMINOR_VERSION 33
#if YY_FLEX_SUBMINOR_VERSION > 0
#define FLEX_BETA
#endif
@@ -30,7 +30,15 @@
/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
-#if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
+#if __STDC_VERSION__ >= 199901L
+
+/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
+ * if you want the limit (max/min) macros for int types.
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS 1
+#endif
+
#include <inttypes.h>
typedef int8_t flex_int8_t;
typedef uint8_t flex_uint8_t;
@@ -134,6 +142,10 @@
#define YY_BUF_SIZE 16384
#endif
+/* The state buf must be large enough to hold one state per character in the main buffer.
+ */
+#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
+
#ifndef YY_TYPEDEF_YY_BUFFER_STATE
#define YY_TYPEDEF_YY_BUFFER_STATE
typedef struct yy_buffer_state *YY_BUFFER_STATE;
@@ -267,7 +279,7 @@
/* Points to current character in buffer. */
static char *yy_c_buf_p = (char *) 0;
-static int yy_init = 1; /* whether we need to initialize */
+static int yy_init = 0; /* whether we need to initialize */
static int yy_start = 0; /* start state number */
/* Flag which is used to allow zconfwrap()'s to do buffer switches
@@ -820,6 +832,8 @@
#define YY_EXTRA_TYPE void *
#endif
+static int yy_init_globals (void );
+
/* Macros after this point can all be overridden by user definitions in
* section 1.
*/
@@ -942,9 +956,9 @@
int str = 0;
int ts, i;
- if ( (yy_init) )
+ if ( !(yy_init) )
{
- (yy_init) = 0;
+ (yy_init) = 1;
#ifdef YY_USER_INIT
YY_USER_INIT;
@@ -1452,7 +1466,7 @@
else
{
- size_t num_to_read =
+ int num_to_read =
YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
while ( num_to_read <= 0 )
@@ -1969,16 +1983,16 @@
/** Setup the input buffer state to scan a string. The next call to zconflex() will
* scan from a @e copy of @a str.
- * @param yy_str a NUL-terminated string to scan
+ * @param yystr a NUL-terminated string to scan
*
* @return the newly allocated buffer state object.
* @note If you want to scan bytes that may contain NUL values, then use
* zconf_scan_bytes() instead.
*/
-YY_BUFFER_STATE zconf_scan_string (yyconst char * yy_str )
+YY_BUFFER_STATE zconf_scan_string (yyconst char * yystr )
{
- return zconf_scan_bytes(yy_str,strlen(yy_str) );
+ return zconf_scan_bytes(yystr,strlen(yystr) );
}
/** Setup the input buffer state to scan the given bytes. The next call to zconflex() will
@@ -1988,7 +2002,7 @@
*
* @return the newly allocated buffer state object.
*/
-YY_BUFFER_STATE zconf_scan_bytes (yyconst char * bytes, int len )
+YY_BUFFER_STATE zconf_scan_bytes (yyconst char * yybytes, int _yybytes_len )
{
YY_BUFFER_STATE b;
char *buf;
@@ -1996,15 +2010,15 @@
int i;
/* Get memory for full buffer, including space for trailing EOB's. */
- n = len + 2;
+ n = _yybytes_len + 2;
buf = (char *) zconfalloc(n );
if ( ! buf )
YY_FATAL_ERROR( "out of dynamic memory in zconf_scan_bytes()" );
- for ( i = 0; i < len; ++i )
- buf[i] = bytes[i];
+ for ( i = 0; i < _yybytes_len; ++i )
+ buf[i] = yybytes[i];
- buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
+ buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
b = zconf_scan_buffer(buf,n );
if ( ! b )
@@ -2125,6 +2139,34 @@
zconf_flex_debug = bdebug ;
}
+static int yy_init_globals (void)
+{
+ /* Initialization is the same as for the non-reentrant scanner.
+ * This function is called from zconflex_destroy(), so don't allocate here.
+ */
+
+ (yy_buffer_stack) = 0;
+ (yy_buffer_stack_top) = 0;
+ (yy_buffer_stack_max) = 0;
+ (yy_c_buf_p) = (char *) 0;
+ (yy_init) = 0;
+ (yy_start) = 0;
+
+/* Defined in main.c */
+#ifdef YY_STDINIT
+ zconfin = stdin;
+ zconfout = stdout;
+#else
+ zconfin = (FILE *) 0;
+ zconfout = (FILE *) 0;
+#endif
+
+ /* For future reference: Set errno on error, since we are called by
+ * zconflex_init()
+ */
+ return 0;
+}
+
/* zconflex_destroy is for both reentrant and non-reentrant scanners. */
int zconflex_destroy (void)
{
@@ -2140,6 +2182,10 @@
zconffree((yy_buffer_stack) );
(yy_buffer_stack) = NULL;
+ /* Reset the globals. This is important in a non-reentrant scanner so the next time
+ * zconflex() is called, initialization will occur. */
+ yy_init_globals( );
+
return 0;
}
@@ -2151,7 +2197,7 @@
static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
{
register int i;
- for ( i = 0; i < n; ++i )
+ for ( i = 0; i < n; ++i )
s1[i] = s2[i];
}
#endif
@@ -2160,7 +2206,7 @@
static int yy_flex_strlen (yyconst char * s )
{
register int n;
- for ( n = 0; s[n]; ++n )
+ for ( n = 0; s[n]; ++n )
;
return n;
@@ -2191,19 +2237,6 @@
#define YYTABLES_NAME "yytables"
-#undef YY_NEW_FILE
-#undef YY_FLUSH_BUFFER
-#undef yy_set_bol
-#undef yy_new_buffer
-#undef yy_set_interactive
-#undef yytext_ptr
-#undef YY_DO_BEFORE_ACTION
-
-#ifdef YY_DECL_IS_OURS
-#undef YY_DECL_IS_OURS
-#undef YY_DECL
-#endif
-
void zconf_starthelp(void)
{
new_string();