Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jlbec...

[safe/jmp/linux-2.6] / scripts / dtc / dtc-lexer.lex.c_shipped

#line 2 "dtc-lexer.lex.c"

#line 4 "dtc-lexer.lex.c"

#define  YY_INT_ALIGNED short int

/* A lexical scanner generated by flex */

#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5
#define YY_FLEX_SUBMINOR_VERSION 34
#if YY_FLEX_SUBMINOR_VERSION > 0
#define FLEX_BETA
#endif

/* First, we deal with  platform-specific or compiler-specific issues. */

/* begin standard C headers. */
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>

/* end standard C headers. */

/* flex integer type definitions */

#ifndef FLEXINT_H
#define FLEXINT_H

/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */

#if defined (__STDC_VERSION__) && __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;
typedef int16_t flex_int16_t;
typedef uint16_t flex_uint16_t;
typedef int32_t flex_int32_t;
typedef uint32_t flex_uint32_t;
#else
typedef signed char flex_int8_t;
typedef short int flex_int16_t;
typedef int flex_int32_t;
typedef unsigned char flex_uint8_t; 
typedef unsigned short int flex_uint16_t;
typedef unsigned int flex_uint32_t;
#endif /* ! C99 */

/* Limits of integral types. */
#ifndef INT8_MIN
#define INT8_MIN               (-128)
#endif
#ifndef INT16_MIN
#define INT16_MIN              (-32767-1)
#endif
#ifndef INT32_MIN
#define INT32_MIN              (-2147483647-1)
#endif
#ifndef INT8_MAX
#define INT8_MAX               (127)
#endif
#ifndef INT16_MAX
#define INT16_MAX              (32767)
#endif
#ifndef INT32_MAX
#define INT32_MAX              (2147483647)
#endif
#ifndef UINT8_MAX
#define UINT8_MAX              (255U)
#endif
#ifndef UINT16_MAX
#define UINT16_MAX             (65535U)
#endif
#ifndef UINT32_MAX
#define UINT32_MAX             (4294967295U)
#endif

#endif /* ! FLEXINT_H */

#ifdef __cplusplus

/* The "const" storage-class-modifier is valid. */
#define YY_USE_CONST

#else   /* ! __cplusplus */

/* C99 requires __STDC__ to be defined as 1. */
#if defined (__STDC__)

#define YY_USE_CONST

#endif  /* defined (__STDC__) */
#endif  /* ! __cplusplus */

#ifdef YY_USE_CONST
#define yyconst const
#else
#define yyconst
#endif

/* Returned upon end-of-file. */
#define YY_NULL 0

/* Promotes a possibly negative, possibly signed char to an unsigned
 * integer for use as an array index.  If the signed char is negative,
 * we want to instead treat it as an 8-bit unsigned char, hence the
 * double cast.
 */
#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)

/* Enter a start condition.  This macro really ought to take a parameter,
 * but we do it the disgusting crufty way forced on us by the ()-less
 * definition of BEGIN.
 */
#define BEGIN (yy_start) = 1 + 2 *

/* Translate the current start state into a value that can be later handed
 * to BEGIN to return to the state.  The YYSTATE alias is for lex
 * compatibility.
 */
#define YY_START (((yy_start) - 1) / 2)
#define YYSTATE YY_START

/* Action number for EOF rule of a given start state. */
#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)

/* Special action meaning "start processing a new file". */
#define YY_NEW_FILE yyrestart(yyin  )

#define YY_END_OF_BUFFER_CHAR 0

/* Size of default input buffer. */
#ifndef YY_BUF_SIZE
#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;
#endif

extern int yyleng;

extern FILE *yyin, *yyout;

#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2

    /* Note: We specifically omit the test for yy_rule_can_match_eol because it requires
     *       access to the local variable yy_act. Since yyless() is a macro, it would break
     *       existing scanners that call yyless() from OUTSIDE yylex. 
     *       One obvious solution it to make yy_act a global. I tried that, and saw
     *       a 5% performance hit in a non-yylineno scanner, because yy_act is
     *       normally declared as a register variable-- so it is not worth it.
     */
    #define  YY_LESS_LINENO(n) \
            do { \
                int yyl;\
                for ( yyl = n; yyl < yyleng; ++yyl )\
                    if ( yytext[yyl] == '\n' )\
                        --yylineno;\
            }while(0)
    
/* Return all but the first "n" matched characters back to the input stream. */
#define yyless(n) \
        do \
                { \
                /* Undo effects of setting up yytext. */ \
        int yyless_macro_arg = (n); \
        YY_LESS_LINENO(yyless_macro_arg);\
                *yy_cp = (yy_hold_char); \
                YY_RESTORE_YY_MORE_OFFSET \
                (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
                YY_DO_BEFORE_ACTION; /* set up yytext again */ \
                } \
        while ( 0 )

#define unput(c) yyunput( c, (yytext_ptr)  )

/* The following is because we cannot portably get our hands on size_t
 * (without autoconf's help, which isn't available because we want
 * flex-generated scanners to compile on their own).
 * Given that the standard has decreed that size_t exists since 1989,
 * I guess we can afford to depend on it. Manoj.
 */

#ifndef YY_TYPEDEF_YY_SIZE_T
#define YY_TYPEDEF_YY_SIZE_T
typedef size_t yy_size_t;
#endif

#ifndef YY_STRUCT_YY_BUFFER_STATE
#define YY_STRUCT_YY_BUFFER_STATE
struct yy_buffer_state
        {
        FILE *yy_input_file;

        char *yy_ch_buf;                /* input buffer */
        char *yy_buf_pos;               /* current position in input buffer */

        /* Size of input buffer in bytes, not including room for EOB
         * characters.
         */
        yy_size_t yy_buf_size;

        /* Number of characters read into yy_ch_buf, not including EOB
         * characters.
         */
        int yy_n_chars;

        /* Whether we "own" the buffer - i.e., we know we created it,
         * and can realloc() it to grow it, and should free() it to
         * delete it.
         */
        int yy_is_our_buffer;

        /* Whether this is an "interactive" input source; if so, and
         * if we're using stdio for input, then we want to use getc()
         * instead of fread(), to make sure we stop fetching input after
         * each newline.
         */
        int yy_is_interactive;

        /* Whether we're considered to be at the beginning of a line.
         * If so, '^' rules will be active on the next match, otherwise
         * not.
         */
        int yy_at_bol;

    int yy_bs_lineno; /**< The line count. */
    int yy_bs_column; /**< The column count. */
    
        /* Whether to try to fill the input buffer when we reach the
         * end of it.
         */
        int yy_fill_buffer;

        int yy_buffer_status;

#define YY_BUFFER_NEW 0
#define YY_BUFFER_NORMAL 1
        /* When an EOF's been seen but there's still some text to process
         * then we mark the buffer as YY_EOF_PENDING, to indicate that we
         * shouldn't try reading from the input source any more.  We might
         * still have a bunch of tokens to match, though, because of
         * possible backing-up.
         *
         * When we actually see the EOF, we change the status to "new"
         * (via yyrestart()), so that the user can continue scanning by
         * just pointing yyin at a new input file.
         */
#define YY_BUFFER_EOF_PENDING 2

        };
#endif /* !YY_STRUCT_YY_BUFFER_STATE */

/* Stack of input buffers. */
static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */

/* We provide macros for accessing buffer states in case in the
 * future we want to put the buffer states in a more general
 * "scanner state".
 *
 * Returns the top of the stack, or NULL.
 */
#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
                          ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
                          : NULL)

/* Same as previous macro, but useful when we know that the buffer stack is not
 * NULL or when we need an lvalue. For internal use only.
 */
#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]

/* yy_hold_char holds the character lost when yytext is formed. */
static char yy_hold_char;
static int yy_n_chars;          /* number of characters read into yy_ch_buf */
int yyleng;

/* Points to current character in buffer. */
static char *yy_c_buf_p = (char *) 0;
static int yy_init = 0;         /* whether we need to initialize */
static int yy_start = 0;        /* start state number */

/* Flag which is used to allow yywrap()'s to do buffer switches
 * instead of setting up a fresh yyin.  A bit of a hack ...
 */
static int yy_did_buffer_switch_on_eof;

void yyrestart (FILE *input_file  );
void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer  );
YY_BUFFER_STATE yy_create_buffer (FILE *file,int size  );
void yy_delete_buffer (YY_BUFFER_STATE b  );
void yy_flush_buffer (YY_BUFFER_STATE b  );
void yypush_buffer_state (YY_BUFFER_STATE new_buffer  );
void yypop_buffer_state (void );

static void yyensure_buffer_stack (void );
static void yy_load_buffer_state (void );
static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file  );

#define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER )

YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size  );
YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str  );
YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len  );

void *yyalloc (yy_size_t  );
void *yyrealloc (void *,yy_size_t  );
void yyfree (void *  );

#define yy_new_buffer yy_create_buffer

#define yy_set_interactive(is_interactive) \
        { \
        if ( ! YY_CURRENT_BUFFER ){ \
        yyensure_buffer_stack (); \
                YY_CURRENT_BUFFER_LVALUE =    \
            yy_create_buffer(yyin,YY_BUF_SIZE ); \
        } \
        YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
        }

#define yy_set_bol(at_bol) \
        { \
        if ( ! YY_CURRENT_BUFFER ){\
        yyensure_buffer_stack (); \
                YY_CURRENT_BUFFER_LVALUE =    \
            yy_create_buffer(yyin,YY_BUF_SIZE ); \
        } \
        YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
        }

#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)

/* Begin user sect3 */

#define yywrap(n) 1
#define YY_SKIP_YYWRAP

typedef unsigned char YY_CHAR;

FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;

typedef int yy_state_type;

extern int yylineno;

int yylineno = 1;

extern char *yytext;
#define yytext_ptr yytext

static yy_state_type yy_get_previous_state (void );
static yy_state_type yy_try_NUL_trans (yy_state_type current_state  );
static int yy_get_next_buffer (void );
static void yy_fatal_error (yyconst char msg[]  );

/* Done after the current pattern has been matched and before the
 * corresponding action - sets up yytext.
 */
#define YY_DO_BEFORE_ACTION \
        (yytext_ptr) = yy_bp; \
        yyleng = (size_t) (yy_cp - yy_bp); \
        (yy_hold_char) = *yy_cp; \
        *yy_cp = '\0'; \
        (yy_c_buf_p) = yy_cp;

#define YY_NUM_RULES 20
#define YY_END_OF_BUFFER 21
/* This struct is not used in this scanner,
   but its presence is necessary. */
struct yy_trans_info
        {
        flex_int32_t yy_verify;
        flex_int32_t yy_nxt;
        };
static yyconst flex_int16_t yy_accept[104] =
    {   0,
        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
       21,   19,   16,   16,   19,   19,   19,    7,    7,   19,
        7,   19,   19,   19,   19,   13,   14,   14,   19,    8,
        8,   16,    0,    2,    0,    0,    9,    0,    0,    0,
        0,    0,    0,    7,    7,    5,    0,    6,    0,   12,
       12,   14,   14,    8,    0,   11,    9,    0,    0,    0,
        0,   18,    0,    0,    0,    0,    8,    0,   17,    0,
        0,    0,    0,    0,   10,    0,    0,    0,    0,    0,
        0,    0,    0,    0,    0,    0,    0,    0,    3,   15,
        0,    0,    0,    0,    0,    0,    0,    0,    1,    0,

        0,    4,    0
    } ;

static yyconst flex_int32_t yy_ec[256] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
        2,    2,    2,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    2,    1,    4,    5,    1,    1,    6,    1,    1,
        1,    7,    8,    8,    9,    8,   10,   11,   12,   13,
       13,   13,   13,   13,   13,   13,   13,   14,    1,    1,
        1,    1,    8,    8,   15,   15,   15,   15,   15,   15,
       16,   16,   16,   16,   16,   16,   16,   16,   16,   16,
       16,   16,   16,   16,   16,   16,   16,   17,   16,   16,
        1,   18,   19,    1,   16,    1,   15,   20,   21,   22,

       23,   15,   16,   24,   25,   16,   16,   26,   27,   28,
       24,   16,   16,   29,   30,   31,   32,   33,   16,   17,
       16,   16,   34,    1,   35,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1
    } ;

static yyconst flex_int32_t yy_meta[36] =
    {   0,
        1,    1,    1,    1,    2,    1,    2,    2,    2,    3,
        4,    4,    4,    5,    6,    7,    7,    1,    1,    6,
        6,    6,    6,    7,    7,    7,    7,    7,    7,    7,
        7,    7,    7,    8,    1
    } ;

static yyconst flex_int16_t yy_base[117] =
    {   0,
        0,    0,   30,    0,   44,    0,   67,    0,   97,  105,
      302,  303,   35,   44,   40,   94,  112,    0,  129,  152,
      296,  295,  159,    0,  176,  303,    0,  116,   95,  165,
       49,   46,  102,  303,  296,    0,    0,  288,  290,  293,
      264,  266,  270,    0,    0,  303,    0,  303,  264,  303,
        0,    0,  195,  101,    0,    0,    0,    0,  284,  125,
      277,  265,  225,  230,  216,  218,    0,  202,  224,  221,
      217,  107,  196,  188,  303,  206,  179,  186,  178,  185,
      183,  162,  161,  150,  169,  160,  145,  125,  303,  303,
      137,  109,  190,  103,  203,  167,  108,  197,  303,  123,

       29,  303,  303,  215,  221,  226,  229,  234,  240,  246,
      250,  257,  265,  270,  275,  282
    } ;

static yyconst flex_int16_t yy_def[117] =
    {   0,
      103,    1,    1,    3,    3,    5,  103,    7,    3,    3,
      103,  103,  103,  103,  104,  105,  103,  106,  103,   19,
       19,   20,  103,  107,   20,  103,  108,  109,  105,  103,
      103,  103,  104,  103,  104,  110,  111,  103,  112,  113,
      103,  103,  103,  106,   19,  103,   20,  103,  103,  103,
       20,  108,  109,  103,  114,  110,  111,  115,  112,  112,
      113,  103,  103,  103,  103,  103,  114,  115,  103,  103,
      103,  103,  103,  103,  103,  103,  103,  103,  103,  103,
      103,  103,  103,  103,  103,  103,  103,  103,  103,  103,
      103,  103,  103,  103,  103,  116,  103,  116,  103,  116,

      103,  103,    0,  103,  103,  103,  103,  103,  103,  103,
      103,  103,  103,  103,  103,  103
    } ;

static yyconst flex_int16_t yy_nxt[339] =
    {   0,
       12,   13,   14,   15,   12,   16,   12,   12,   12,   17,
       18,   18,   18,   12,   19,   20,   20,   12,   12,   21,
       19,   21,   19,   22,   20,   20,   20,   20,   20,   20,
       20,   20,   20,   12,   12,   12,   32,   32,  102,   23,
       12,   12,   12,   34,   20,   32,   32,   32,   32,   20,
       20,   20,   20,   20,   24,   24,   24,   35,   25,   54,
       54,   54,   26,   25,   25,   25,   25,   12,   13,   14,
       15,   27,   12,   27,   27,   27,   23,   27,   27,   27,
       12,   28,   28,   28,   12,   12,   28,   28,   28,   28,
       28,   28,   28,   28,   28,   28,   28,   28,   28,   28,

       12,   12,   29,   36,  103,   34,   17,   30,   31,   31,
       29,   54,   54,   54,   17,   30,   31,   31,   39,   35,
       52,   40,   52,   52,   52,  103,   78,   38,   38,   46,
      101,   60,   79,   41,   69,   97,   42,   94,   43,   45,
       45,   45,   46,   45,   47,   47,   93,   92,   45,   45,
       45,   45,   47,   47,   47,   47,   47,   47,   47,   47,
       47,   47,   47,   47,   47,   39,   47,   91,   40,   90,
       99,   47,   47,   47,   47,   54,   54,   54,   89,   88,
       41,   55,   87,   49,  100,   43,   51,   51,   51,   86,
       51,   95,   95,   96,   85,   51,   51,   51,   51,   52,

       99,   52,   52,   52,   95,   95,   96,   84,   46,   83,
       82,   81,   39,   79,  100,   33,   33,   33,   33,   33,
       33,   33,   33,   37,   80,   77,   37,   37,   37,   44,
       40,   44,   50,   76,   50,   52,   75,   52,   74,   52,
       52,   53,   73,   53,   53,   53,   53,   56,   56,   56,
       72,   56,   56,   57,   71,   57,   57,   59,   59,   59,
       59,   59,   59,   59,   59,   61,   61,   61,   61,   61,
       61,   61,   61,   67,   70,   67,   68,   68,   68,   62,
       68,   68,   98,   98,   98,   98,   98,   98,   98,   98,
       60,   66,   65,   64,   63,   62,   60,   58,  103,   48,

       48,  103,   11,  103,  103,  103,  103,  103,  103,  103,
      103,  103,  103,  103,  103,  103,  103,  103,  103,  103,
      103,  103,  103,  103,  103,  103,  103,  103,  103,  103,
      103,  103,  103,  103,  103,  103,  103,  103
    } ;

static yyconst flex_int16_t yy_chk[339] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    3,   13,   13,  101,    3,
        3,    3,    3,   15,    3,   14,   14,   32,   32,    3,
        3,    3,    3,    3,    5,    5,    5,   15,    5,   31,
       31,   31,    5,    5,    5,    5,    5,    7,    7,    7,
        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,
        7,    7,    7,    7,    7,    7,    7,    7,    7,    7,

        7,    7,    9,   16,   29,   33,    9,    9,    9,    9,
       10,   54,   54,   54,   10,   10,   10,   10,   17,   33,
       28,   17,   28,   28,   28,  100,   72,   16,   29,   28,
       97,   60,   72,   17,   60,   94,   17,   92,   17,   19,
       19,   19,   19,   19,   19,   19,   91,   88,   19,   19,
       19,   19,   19,   19,   19,   19,   19,   19,   19,   19,
       19,   19,   20,   20,   20,   23,   20,   87,   23,   86,
       96,   20,   20,   20,   20,   30,   30,   30,   85,   84,
       23,   30,   83,   23,   96,   23,   25,   25,   25,   82,
       25,   93,   93,   93,   81,   25,   25,   25,   25,   53,

       98,   53,   53,   53,   95,   95,   95,   80,   53,   79,
       78,   77,   76,   74,   98,  104,  104,  104,  104,  104,
      104,  104,  104,  105,   73,   71,  105,  105,  105,  106,
       70,  106,  107,   69,  107,  108,   68,  108,   66,  108,
      108,  109,   65,  109,  109,  109,  109,  110,  110,  110,
       64,  110,  110,  111,   63,  111,  111,  112,  112,  112,
      112,  112,  112,  112,  112,  113,  113,  113,  113,  113,
      113,  113,  113,  114,   62,  114,  115,  115,  115,   61,
      115,  115,  116,  116,  116,  116,  116,  116,  116,  116,
       59,   49,   43,   42,   41,   40,   39,   38,   35,   22,

       21,   11,  103,  103,  103,  103,  103,  103,  103,  103,
      103,  103,  103,  103,  103,  103,  103,  103,  103,  103,
      103,  103,  103,  103,  103,  103,  103,  103,  103,  103,
      103,  103,  103,  103,  103,  103,  103,  103
    } ;

/* Table of booleans, true if rule could match eol. */
static yyconst flex_int32_t yy_rule_can_match_eol[21] =
    {   0,
1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 
    0,     };

static yy_state_type yy_last_accepting_state;
static char *yy_last_accepting_cpos;

extern int yy_flex_debug;
int yy_flex_debug = 0;

/* The intent behind this definition is that it'll catch
 * any uses of REJECT which flex missed.
 */
#define REJECT reject_used_but_not_detected
#define yymore() yymore_used_but_not_detected
#define YY_MORE_ADJ 0
#define YY_RESTORE_YY_MORE_OFFSET
char *yytext;
#line 1 "dtc-lexer.l"
/*
 * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation.  2005.
 *
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
 *                                                                   USA
 */




#line 37 "dtc-lexer.l"
#include "dtc.h"
#include "srcpos.h"
#include "dtc-parser.tab.h"


/*#define LEXDEBUG      1*/

#ifdef LEXDEBUG
#define DPRINT(fmt, ...)        fprintf(stderr, fmt, ##__VA_ARGS__)
#else
#define DPRINT(fmt, ...)        do { } while (0)
#endif

static int dts_version; /* = 0 */

#define BEGIN_DEFAULT() if (dts_version == 0) { \
                                DPRINT("<INITIAL>\n"); \
                                BEGIN(INITIAL); \
                        } else { \
                                DPRINT("<V1>\n"); \
                                BEGIN(V1); \
                        }

static void push_input_file(const char *filename);
static int pop_input_file(void);
#line 638 "dtc-lexer.lex.c"

#define INITIAL 0
#define INCLUDE 1
#define BYTESTRING 2
#define PROPNODENAME 3
#define V1 4

#ifndef YY_NO_UNISTD_H
/* Special case for "unistd.h", since it is non-ANSI. We include it way
 * down here because we want the user's section 1 to have been scanned first.
 * The user has a chance to override it with an option.
 */
#include <unistd.h>
#endif

#ifndef YY_EXTRA_TYPE
#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.
 */

#ifndef YY_SKIP_YYWRAP
#ifdef __cplusplus
extern "C" int yywrap (void );
#else
extern int yywrap (void );
#endif
#endif

#ifndef yytext_ptr
static void yy_flex_strncpy (char *,yyconst char *,int );
#endif

#ifdef YY_NEED_STRLEN
static int yy_flex_strlen (yyconst char * );
#endif

#ifndef YY_NO_INPUT

#ifdef __cplusplus
static int yyinput (void );
#else
static int input (void );
#endif

#endif

/* Amount of stuff to slurp up with each read. */
#ifndef YY_READ_BUF_SIZE
#define YY_READ_BUF_SIZE 8192
#endif

/* Copy whatever the last rule matched to the standard output. */
#ifndef ECHO
/* This used to be an fputs(), but since the string might contain NUL's,
 * we now use fwrite().
 */
#define ECHO fwrite( yytext, yyleng, 1, yyout )
#endif

/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
 * is returned in "result".
 */
#ifndef YY_INPUT
#define YY_INPUT(buf,result,max_size) \
        if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
                { \
                int c = '*'; \
                int n; \
                for ( n = 0; n < max_size && \
                             (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
                        buf[n] = (char) c; \
                if ( c == '\n' ) \
                        buf[n++] = (char) c; \
                if ( c == EOF && ferror( yyin ) ) \
                        YY_FATAL_ERROR( "input in flex scanner failed" ); \
                result = n; \
                } \
        else \
                { \
                errno=0; \
                while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
                        { \
                        if( errno != EINTR) \
                                { \
                                YY_FATAL_ERROR( "input in flex scanner failed" ); \
                                break; \
                                } \
                        errno=0; \
                        clearerr(yyin); \
                        } \
                }\
\

#endif

/* No semi-colon after return; correct usage is to write "yyterminate();" -
 * we don't want an extra ';' after the "return" because that will cause
 * some compilers to complain about unreachable statements.
 */
#ifndef yyterminate
#define yyterminate() return YY_NULL
#endif

/* Number of entries by which start-condition stack grows. */
#ifndef YY_START_STACK_INCR
#define YY_START_STACK_INCR 25
#endif

/* Report a fatal error. */
#ifndef YY_FATAL_ERROR
#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
#endif

/* end tables serialization structures and prototypes */

/* Default declaration of generated scanner - a define so the user can
 * easily add parameters.
 */
#ifndef YY_DECL
#define YY_DECL_IS_OURS 1

extern int yylex (void);

#define YY_DECL int yylex (void)
#endif /* !YY_DECL */

/* Code executed at the beginning of each rule, after yytext and yyleng
 * have been set up.
 */
#ifndef YY_USER_ACTION
#define YY_USER_ACTION
#endif

/* Code executed at the end of each rule. */
#ifndef YY_BREAK
#define YY_BREAK break;
#endif

#define YY_RULE_SETUP \
        YY_USER_ACTION

/** The main scanner function which does all the work.
 */
YY_DECL
{
        register yy_state_type yy_current_state;
        register char *yy_cp, *yy_bp;
        register int yy_act;
    
#line 64 "dtc-lexer.l"

#line 795 "dtc-lexer.lex.c"

        if ( !(yy_init) )
                {
                (yy_init) = 1;

#ifdef YY_USER_INIT
                YY_USER_INIT;
#endif

                if ( ! (yy_start) )
                        (yy_start) = 1; /* first start state */

                if ( ! yyin )
                        yyin = stdin;

                if ( ! yyout )
                        yyout = stdout;

                if ( ! YY_CURRENT_BUFFER ) {
                        yyensure_buffer_stack ();
                        YY_CURRENT_BUFFER_LVALUE =
                                yy_create_buffer(yyin,YY_BUF_SIZE );
                }

                yy_load_buffer_state( );
                }

        while ( 1 )             /* loops until end-of-file is reached */
                {
                yy_cp = (yy_c_buf_p);

                /* Support of yytext. */
                *yy_cp = (yy_hold_char);

                /* yy_bp points to the position in yy_ch_buf of the start of
                 * the current run.
                 */
                yy_bp = yy_cp;

                yy_current_state = (yy_start);
yy_match:
                do
                        {
                        register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
                        if ( yy_accept[yy_current_state] )
                                {
                                (yy_last_accepting_state) = yy_current_state;
                                (yy_last_accepting_cpos) = yy_cp;
                                }
                        while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
                                {
                                yy_current_state = (int) yy_def[yy_current_state];
                                if ( yy_current_state >= 104 )
                                        yy_c = yy_meta[(unsigned int) yy_c];
                                }
                        yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
                        ++yy_cp;
                        }
                while ( yy_base[yy_current_state] != 303 );

yy_find_action:
                yy_act = yy_accept[yy_current_state];
                if ( yy_act == 0 )
                        { /* have to back up */
                        yy_cp = (yy_last_accepting_cpos);
                        yy_current_state = (yy_last_accepting_state);
                        yy_act = yy_accept[yy_current_state];
                        }

                YY_DO_BEFORE_ACTION;

                if ( yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act] )
                        {
                        int yyl;
                        for ( yyl = 0; yyl < yyleng; ++yyl )
                                if ( yytext[yyl] == '\n' )
                                           
    yylineno++;
;
                        }

do_action:      /* This label is used only to access EOF actions. */

                switch ( yy_act )
        { /* beginning of action switch */
                        case 0: /* must back up */
                        /* undo the effects of YY_DO_BEFORE_ACTION */
                        *yy_cp = (yy_hold_char);
                        yy_cp = (yy_last_accepting_cpos);
                        yy_current_state = (yy_last_accepting_state);
                        goto yy_find_action;

case 1:
/* rule 1 can match eol */
YY_RULE_SETUP
#line 65 "dtc-lexer.l"
{
                        char *name = strchr(yytext, '\"') + 1;
                        yytext[yyleng-1] = '\0';
                        push_input_file(name);
                }
        YY_BREAK
case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(INCLUDE):
case YY_STATE_EOF(BYTESTRING):
case YY_STATE_EOF(PROPNODENAME):
case YY_STATE_EOF(V1):
#line 71 "dtc-lexer.l"
{
                        if (!pop_input_file()) {
                                yyterminate();
                        }
                }
        YY_BREAK
case 2:
/* rule 2 can match eol */
YY_RULE_SETUP
#line 77 "dtc-lexer.l"
{
                        yylloc.file = srcpos_file;
                        yylloc.first_line = yylineno;
                        DPRINT("String: %s\n", yytext);
                        yylval.data = data_copy_escape_string(yytext+1,
                                        yyleng-2);
                        yylloc.first_line = yylineno;
                        return DT_STRING;
                }
        YY_BREAK
case 3:
YY_RULE_SETUP
#line 87 "dtc-lexer.l"
{
                        yylloc.file = srcpos_file;
                        yylloc.first_line = yylineno;
                        DPRINT("Keyword: /dts-v1/\n");
                        dts_version = 1;
                        BEGIN_DEFAULT();
                        return DT_V1;
                }
        YY_BREAK
case 4:
YY_RULE_SETUP
#line 96 "dtc-lexer.l"
{
                        yylloc.file = srcpos_file;
                        yylloc.first_line = yylineno;
                        DPRINT("Keyword: /memreserve/\n");
                        BEGIN_DEFAULT();
                        return DT_MEMRESERVE;
                }
        YY_BREAK
case 5:
YY_RULE_SETUP
#line 104 "dtc-lexer.l"
{
                        yylloc.file = srcpos_file;
                        yylloc.first_line = yylineno;
                        DPRINT("Label: %s\n", yytext);
                        yylval.labelref = strdup(yytext);
                        yylval.labelref[yyleng-1] = '\0';
                        return DT_LABEL;
                }
        YY_BREAK
case 6:
YY_RULE_SETUP
#line 113 "dtc-lexer.l"
{
                        yylloc.file = srcpos_file;
                        yylloc.first_line = yylineno;
                        if (*yytext == 'b')
                                yylval.cbase = 2;
                        else if (*yytext == 'o')
                                yylval.cbase = 8;
                        else if (*yytext == 'd')
                                yylval.cbase = 10;
                        else
                                yylval.cbase = 16;
                        DPRINT("Base: %d\n", yylval.cbase);
                        return DT_BASE;
                }
        YY_BREAK
case 7:
YY_RULE_SETUP
#line 128 "dtc-lexer.l"
{
                        yylloc.file = srcpos_file;
                        yylloc.first_line = yylineno;
                        yylval.literal = strdup(yytext);
                        DPRINT("Literal: '%s'\n", yylval.literal);
                        return DT_LEGACYLITERAL;
                }
        YY_BREAK
case 8:
YY_RULE_SETUP
#line 136 "dtc-lexer.l"
{
                        yylloc.file = srcpos_file;
                        yylloc.first_line = yylineno;
                        yylval.literal = strdup(yytext);
                        DPRINT("Literal: '%s'\n", yylval.literal);
                        return DT_LITERAL;
                }
        YY_BREAK
case 9:
YY_RULE_SETUP
#line 144 "dtc-lexer.l"
{       /* label reference */
                        yylloc.file = srcpos_file;
                        yylloc.first_line = yylineno;
                        DPRINT("Ref: %s\n", yytext+1);
                        yylval.labelref = strdup(yytext+1);
                        return DT_REF;
                }
        YY_BREAK
case 10:
YY_RULE_SETUP
#line 152 "dtc-lexer.l"
{       /* new-style path reference */
                        yylloc.file = srcpos_file;
                        yylloc.first_line = yylineno;
                        yytext[yyleng-1] = '\0';
                        DPRINT("Ref: %s\n", yytext+2);
                        yylval.labelref = strdup(yytext+2);
                        return DT_REF;
                }
        YY_BREAK
case 11:
YY_RULE_SETUP
#line 161 "dtc-lexer.l"
{       /* old-style path reference */
                        yylloc.file = srcpos_file;
                        yylloc.first_line = yylineno;
                        DPRINT("Ref: %s\n", yytext+1);
                        yylval.labelref = strdup(yytext+1);
                        return DT_REF;
                }
        YY_BREAK
case 12:
YY_RULE_SETUP
#line 169 "dtc-lexer.l"
{
                        yylloc.file = srcpos_file;
                        yylloc.first_line = yylineno;
                        yylval.byte = strtol(yytext, NULL, 16);
                        DPRINT("Byte: %02x\n", (int)yylval.byte);
                        return DT_BYTE;
                }
        YY_BREAK
case 13:
YY_RULE_SETUP
#line 177 "dtc-lexer.l"
{
                        yylloc.file = srcpos_file;
                        yylloc.first_line = yylineno;
                        DPRINT("/BYTESTRING\n");
                        BEGIN_DEFAULT();
                        return ']';
                }
        YY_BREAK
case 14:
YY_RULE_SETUP
#line 185 "dtc-lexer.l"
{
                        yylloc.file = srcpos_file;
                        yylloc.first_line = yylineno;
                        DPRINT("PropNodeName: %s\n", yytext);
                        yylval.propnodename = strdup(yytext);
                        BEGIN_DEFAULT();
                        return DT_PROPNODENAME;
                }
        YY_BREAK
case 15:
YY_RULE_SETUP
#line 194 "dtc-lexer.l"
{
                        yylloc.file = srcpos_file;
                        yylloc.first_line = yylineno;
                        DPRINT("Binary Include\n");
                        return DT_INCBIN;
                }
        YY_BREAK
case 16:
/* rule 16 can match eol */
YY_RULE_SETUP
#line 201 "dtc-lexer.l"
/* eat whitespace */
        YY_BREAK
case 17:
/* rule 17 can match eol */
YY_RULE_SETUP
#line 202 "dtc-lexer.l"
/* eat C-style comments */
        YY_BREAK
case 18:
/* rule 18 can match eol */
YY_RULE_SETUP
#line 203 "dtc-lexer.l"
/* eat C++-style comments */
        YY_BREAK
case 19:
YY_RULE_SETUP
#line 205 "dtc-lexer.l"
{
                        yylloc.file = srcpos_file;
                        yylloc.first_line = yylineno;
                        DPRINT("Char: %c (\\x%02x)\n", yytext[0],
                                (unsigned)yytext[0]);
                        if (yytext[0] == '[') {
                                DPRINT("<BYTESTRING>\n");
                                BEGIN(BYTESTRING);
                        }
                        if ((yytext[0] == '{')
                            || (yytext[0] == ';')) {
                                DPRINT("<PROPNODENAME>\n");
                                BEGIN(PROPNODENAME);
                        }
                        return yytext[0];
                }
        YY_BREAK
case 20:
YY_RULE_SETUP
#line 222 "dtc-lexer.l"
ECHO;
        YY_BREAK
#line 1120 "dtc-lexer.lex.c"

        case YY_END_OF_BUFFER:
                {
                /* Amount of text matched not including the EOB char. */
                int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;

                /* Undo the effects of YY_DO_BEFORE_ACTION. */
                *yy_cp = (yy_hold_char);
                YY_RESTORE_YY_MORE_OFFSET

                if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
                        {
                        /* We're scanning a new file or input source.  It's
                         * possible that this happened because the user
                         * just pointed yyin at a new source and called
                         * yylex().  If so, then we have to assure
                         * consistency between YY_CURRENT_BUFFER and our
                         * globals.  Here is the right place to do so, because
                         * this is the first action (other than possibly a
                         * back-up) that will match for the new input source.
                         */
                        (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
                        YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
                        YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
                        }

                /* Note that here we test for yy_c_buf_p "<=" to the position
                 * of the first EOB in the buffer, since yy_c_buf_p will
                 * already have been incremented past the NUL character
                 * (since all states make transitions on EOB to the
                 * end-of-buffer state).  Contrast this with the test
                 * in input().
                 */
                if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
                        { /* This was really a NUL. */
                        yy_state_type yy_next_state;

                        (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;

                        yy_current_state = yy_get_previous_state(  );

                        /* Okay, we're now positioned to make the NUL
                         * transition.  We couldn't have
                         * yy_get_previous_state() go ahead and do it
                         * for us because it doesn't know how to deal
                         * with the possibility of jamming (and we don't
                         * want to build jamming into it because then it
                         * will run more slowly).
                         */

                        yy_next_state = yy_try_NUL_trans( yy_current_state );

                        yy_bp = (yytext_ptr) + YY_MORE_ADJ;

                        if ( yy_next_state )
                                {
                                /* Consume the NUL. */
                                yy_cp = ++(yy_c_buf_p);
                                yy_current_state = yy_next_state;
                                goto yy_match;
                                }

                        else
                                {
                                yy_cp = (yy_c_buf_p);
                                goto yy_find_action;
                                }
                        }

                else switch ( yy_get_next_buffer(  ) )
                        {
                        case EOB_ACT_END_OF_FILE:
                                {
                                (yy_did_buffer_switch_on_eof) = 0;

                                if ( yywrap( ) )
                                        {
                                        /* Note: because we've taken care in
                                         * yy_get_next_buffer() to have set up
                                         * yytext, we can now set up
                                         * yy_c_buf_p so that if some total
                                         * hoser (like flex itself) wants to
                                         * call the scanner after we return the
                                         * YY_NULL, it'll still work - another
                                         * YY_NULL will get returned.
                                         */
                                        (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;

                                        yy_act = YY_STATE_EOF(YY_START);
                                        goto do_action;
                                        }

                                else
                                        {
                                        if ( ! (yy_did_buffer_switch_on_eof) )
                                                YY_NEW_FILE;
                                        }
                                break;
                                }

                        case EOB_ACT_CONTINUE_SCAN:
                                (yy_c_buf_p) =
                                        (yytext_ptr) + yy_amount_of_matched_text;

                                yy_current_state = yy_get_previous_state(  );

                                yy_cp = (yy_c_buf_p);
                                yy_bp = (yytext_ptr) + YY_MORE_ADJ;
                                goto yy_match;

                        case EOB_ACT_LAST_MATCH:
                                (yy_c_buf_p) =
                                &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];

                                yy_current_state = yy_get_previous_state(  );

                                yy_cp = (yy_c_buf_p);
                                yy_bp = (yytext_ptr) + YY_MORE_ADJ;
                                goto yy_find_action;
                        }
                break;
                }

        default:
                YY_FATAL_ERROR(
                        "fatal flex scanner internal error--no action found" );
        } /* end of action switch */
                } /* end of scanning one token */
} /* end of yylex */

/* yy_get_next_buffer - try to read in a new buffer
 *
 * Returns a code representing an action:
 *      EOB_ACT_LAST_MATCH -
 *      EOB_ACT_CONTINUE_SCAN - continue scanning from current position
 *      EOB_ACT_END_OF_FILE - end of file
 */
static int yy_get_next_buffer (void)
{
        register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
        register char *source = (yytext_ptr);
        register int number_to_move, i;
        int ret_val;

        if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
                YY_FATAL_ERROR(
                "fatal flex scanner internal error--end of buffer missed" );

        if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
                { /* Don't try to fill the buffer, so this is an EOF. */
                if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
                        {
                        /* We matched a single character, the EOB, so
                         * treat this as a final EOF.
                         */
                        return EOB_ACT_END_OF_FILE;
                        }

                else
                        {
                        /* We matched some text prior to the EOB, first
                         * process it.
                         */
                        return EOB_ACT_LAST_MATCH;
                        }
                }

        /* Try to read more data. */

        /* First move last chars to start of buffer. */
        number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;

        for ( i = 0; i < number_to_move; ++i )
                *(dest++) = *(source++);

        if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
                /* don't do the read, it's not guaranteed to return an EOF,
                 * just force an EOF
                 */
                YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;

        else
                {
                        int num_to_read =
                        YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;

                while ( num_to_read <= 0 )
                        { /* Not enough room in the buffer - grow it. */

                        /* just a shorter name for the current buffer */
                        YY_BUFFER_STATE b = YY_CURRENT_BUFFER;

                        int yy_c_buf_p_offset =
                                (int) ((yy_c_buf_p) - b->yy_ch_buf);

                        if ( b->yy_is_our_buffer )
                                {
                                int new_size = b->yy_buf_size * 2;

                                if ( new_size <= 0 )
                                        b->yy_buf_size += b->yy_buf_size / 8;
                                else
                                        b->yy_buf_size *= 2;

                                b->yy_ch_buf = (char *)
                                        /* Include room in for 2 EOB chars. */
                                        yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2  );
                                }
                        else
                                /* Can't grow it, we don't own it. */
                                b->yy_ch_buf = 0;

                        if ( ! b->yy_ch_buf )
                                YY_FATAL_ERROR(
                                "fatal error - scanner input buffer overflow" );

                        (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];

                        num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
                                                number_to_move - 1;

                        }

                if ( num_to_read > YY_READ_BUF_SIZE )
                        num_to_read = YY_READ_BUF_SIZE;

                /* Read in more data. */
                YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
                        (yy_n_chars), (size_t) num_to_read );

                YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
                }

        if ( (yy_n_chars) == 0 )
                {
                if ( number_to_move == YY_MORE_ADJ )
                        {
                        ret_val = EOB_ACT_END_OF_FILE;
                        yyrestart(yyin  );
                        }

                else
                        {
                        ret_val = EOB_ACT_LAST_MATCH;
                        YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
                                YY_BUFFER_EOF_PENDING;
                        }
                }

        else
                ret_val = EOB_ACT_CONTINUE_SCAN;

        if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
                /* Extend the array by 50%, plus the number we really need. */
                yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
                YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size  );
                if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
                        YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
        }

        (yy_n_chars) += number_to_move;
        YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
        YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;

        (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];

        return ret_val;
}

/* yy_get_previous_state - get the state just before the EOB char was reached */

    static yy_state_type yy_get_previous_state (void)
{
        register yy_state_type yy_current_state;
        register char *yy_cp;
    
        yy_current_state = (yy_start);

        for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
                {
                register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
                if ( yy_accept[yy_current_state] )
                        {
                        (yy_last_accepting_state) = yy_current_state;
                        (yy_last_accepting_cpos) = yy_cp;
                        }
                while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
                        {
                        yy_current_state = (int) yy_def[yy_current_state];
                        if ( yy_current_state >= 104 )
                                yy_c = yy_meta[(unsigned int) yy_c];
                        }
                yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
                }

        return yy_current_state;
}

/* yy_try_NUL_trans - try to make a transition on the NUL character
 *
 * synopsis
 *      next_state = yy_try_NUL_trans( current_state );
 */
    static yy_state_type yy_try_NUL_trans  (yy_state_type yy_current_state )
{
        register int yy_is_jam;
        register char *yy_cp = (yy_c_buf_p);

        register YY_CHAR yy_c = 1;
        if ( yy_accept[yy_current_state] )
                {
                (yy_last_accepting_state) = yy_current_state;
                (yy_last_accepting_cpos) = yy_cp;
                }
        while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
                {
                yy_current_state = (int) yy_def[yy_current_state];
                if ( yy_current_state >= 104 )
                        yy_c = yy_meta[(unsigned int) yy_c];
                }
        yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
        yy_is_jam = (yy_current_state == 103);

        return yy_is_jam ? 0 : yy_current_state;
}

#ifndef YY_NO_INPUT
#ifdef __cplusplus
    static int yyinput (void)
#else
    static int input  (void)
#endif

{
        int c;
    
        *(yy_c_buf_p) = (yy_hold_char);

        if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
                {
                /* yy_c_buf_p now points to the character we want to return.
                 * If this occurs *before* the EOB characters, then it's a
                 * valid NUL; if not, then we've hit the end of the buffer.
                 */
                if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
                        /* This was really a NUL. */
                        *(yy_c_buf_p) = '\0';

                else
                        { /* need more input */
                        int offset = (yy_c_buf_p) - (yytext_ptr);
                        ++(yy_c_buf_p);

                        switch ( yy_get_next_buffer(  ) )
                                {
                                case EOB_ACT_LAST_MATCH:
                                        /* This happens because yy_g_n_b()
                                         * sees that we've accumulated a
                                         * token and flags that we need to
                                         * try matching the token before
                                         * proceeding.  But for input(),
                                         * there's no matching to consider.
                                         * So convert the EOB_ACT_LAST_MATCH
                                         * to EOB_ACT_END_OF_FILE.
                                         */

                                        /* Reset buffer status. */
                                        yyrestart(yyin );

                                        /*FALLTHROUGH*/

                                case EOB_ACT_END_OF_FILE:
                                        {
                                        if ( yywrap( ) )
                                                return EOF;

                                        if ( ! (yy_did_buffer_switch_on_eof) )
                                                YY_NEW_FILE;
#ifdef __cplusplus
                                        return yyinput();
#else
                                        return input();
#endif
                                        }

                                case EOB_ACT_CONTINUE_SCAN:
                                        (yy_c_buf_p) = (yytext_ptr) + offset;
                                        break;
                                }
                        }
                }

        c = *(unsigned char *) (yy_c_buf_p);    /* cast for 8-bit char's */
        *(yy_c_buf_p) = '\0';   /* preserve yytext */
        (yy_hold_char) = *++(yy_c_buf_p);

        if ( c == '\n' )
                   
    yylineno++;
;

        return c;
}
#endif  /* ifndef YY_NO_INPUT */

/** Immediately switch to a different input stream.
 * @param input_file A readable stream.
 * 
 * @note This function does not reset the start condition to @c INITIAL .
 */
    void yyrestart  (FILE * input_file )
{
    
        if ( ! YY_CURRENT_BUFFER ){
        yyensure_buffer_stack ();
                YY_CURRENT_BUFFER_LVALUE =
            yy_create_buffer(yyin,YY_BUF_SIZE );
        }

        yy_init_buffer(YY_CURRENT_BUFFER,input_file );
        yy_load_buffer_state( );
}

/** Switch to a different input buffer.
 * @param new_buffer The new input buffer.
 * 
 */
    void yy_switch_to_buffer  (YY_BUFFER_STATE  new_buffer )
{
    
        /* TODO. We should be able to replace this entire function body
         * with
         *              yypop_buffer_state();
         *              yypush_buffer_state(new_buffer);
     */
        yyensure_buffer_stack ();
        if ( YY_CURRENT_BUFFER == new_buffer )
                return;

        if ( YY_CURRENT_BUFFER )
                {
                /* Flush out information for old buffer. */
                *(yy_c_buf_p) = (yy_hold_char);
                YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
                YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
                }

        YY_CURRENT_BUFFER_LVALUE = new_buffer;
        yy_load_buffer_state( );

        /* We don't actually know whether we did this switch during
         * EOF (yywrap()) processing, but the only time this flag
         * is looked at is after yywrap() is called, so it's safe
         * to go ahead and always set it.
         */
        (yy_did_buffer_switch_on_eof) = 1;
}

static void yy_load_buffer_state  (void)
{
        (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
        (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
        yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
        (yy_hold_char) = *(yy_c_buf_p);
}

/** Allocate and initialize an input buffer state.
 * @param file A readable stream.
 * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
 * 
 * @return the allocated buffer state.
 */
    YY_BUFFER_STATE yy_create_buffer  (FILE * file, int  size )
{
        YY_BUFFER_STATE b;
    
        b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state )  );
        if ( ! b )
                YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );

        b->yy_buf_size = size;

        /* yy_ch_buf has to be 2 characters longer than the size given because
         * we need to put in 2 end-of-buffer characters.
         */
        b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2  );
        if ( ! b->yy_ch_buf )
                YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );

        b->yy_is_our_buffer = 1;

        yy_init_buffer(b,file );

        return b;
}

/** Destroy the buffer.
 * @param b a buffer created with yy_create_buffer()
 * 
 */
    void yy_delete_buffer (YY_BUFFER_STATE  b )
{
    
        if ( ! b )
                return;

        if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
                YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;

        if ( b->yy_is_our_buffer )
                yyfree((void *) b->yy_ch_buf  );

        yyfree((void *) b  );
}

#ifndef __cplusplus
extern int isatty (int );
#endif /* __cplusplus */
    
/* Initializes or reinitializes a buffer.
 * This function is sometimes called more than once on the same buffer,
 * such as during a yyrestart() or at EOF.
 */
    static void yy_init_buffer  (YY_BUFFER_STATE  b, FILE * file )

{
        int oerrno = errno;
    
        yy_flush_buffer(b );

        b->yy_input_file = file;
        b->yy_fill_buffer = 1;

    /* If b is the current buffer, then yy_init_buffer was _probably_
     * called from yyrestart() or through yy_get_next_buffer.
     * In that case, we don't want to reset the lineno or column.
     */
    if (b != YY_CURRENT_BUFFER){
        b->yy_bs_lineno = 1;
        b->yy_bs_column = 0;
    }

        b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
    
        errno = oerrno;
}

/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
 * 
 */
    void yy_flush_buffer (YY_BUFFER_STATE  b )
{
        if ( ! b )
                return;

        b->yy_n_chars = 0;

        /* We always need two end-of-buffer characters.  The first causes
         * a transition to the end-of-buffer state.  The second causes
         * a jam in that state.
         */
        b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
        b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;

        b->yy_buf_pos = &b->yy_ch_buf[0];

        b->yy_at_bol = 1;
        b->yy_buffer_status = YY_BUFFER_NEW;

        if ( b == YY_CURRENT_BUFFER )
                yy_load_buffer_state( );
}

/** Pushes the new state onto the stack. The new state becomes
 *  the current state. This function will allocate the stack
 *  if necessary.
 *  @param new_buffer The new state.
 *  
 */
void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
{
        if (new_buffer == NULL)
                return;

        yyensure_buffer_stack();

        /* This block is copied from yy_switch_to_buffer. */
        if ( YY_CURRENT_BUFFER )
                {
                /* Flush out information for old buffer. */
                *(yy_c_buf_p) = (yy_hold_char);
                YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
                YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
                }

        /* Only push if top exists. Otherwise, replace top. */
        if (YY_CURRENT_BUFFER)
                (yy_buffer_stack_top)++;
        YY_CURRENT_BUFFER_LVALUE = new_buffer;

        /* copied from yy_switch_to_buffer. */
        yy_load_buffer_state( );
        (yy_did_buffer_switch_on_eof) = 1;
}

/** Removes and deletes the top of the stack, if present.
 *  The next element becomes the new top.
 *  
 */
void yypop_buffer_state (void)
{
        if (!YY_CURRENT_BUFFER)
                return;

        yy_delete_buffer(YY_CURRENT_BUFFER );
        YY_CURRENT_BUFFER_LVALUE = NULL;
        if ((yy_buffer_stack_top) > 0)
                --(yy_buffer_stack_top);

        if (YY_CURRENT_BUFFER) {
                yy_load_buffer_state( );
                (yy_did_buffer_switch_on_eof) = 1;
        }
}

/* Allocates the stack if it does not exist.
 *  Guarantees space for at least one push.
 */
static void yyensure_buffer_stack (void)
{
        int num_to_alloc;
    
        if (!(yy_buffer_stack)) {

                /* First allocation is just for 2 elements, since we don't know if this
                 * scanner will even need a stack. We use 2 instead of 1 to avoid an
                 * immediate realloc on the next call.
         */
                num_to_alloc = 1;
                (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
                                                                (num_to_alloc * sizeof(struct yy_buffer_state*)
                                                                );
                if ( ! (yy_buffer_stack) )
                        YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
                                                                  
                memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
                                
                (yy_buffer_stack_max) = num_to_alloc;
                (yy_buffer_stack_top) = 0;
                return;
        }

        if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){

                /* Increase the buffer to prepare for a possible push. */
                int grow_size = 8 /* arbitrary grow size */;

                num_to_alloc = (yy_buffer_stack_max) + grow_size;
                (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
                                                                ((yy_buffer_stack),
                                                                num_to_alloc * sizeof(struct yy_buffer_state*)
                                                                );
                if ( ! (yy_buffer_stack) )
                        YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );

                /* zero only the new slots.*/
                memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
                (yy_buffer_stack_max) = num_to_alloc;
        }
}

/** Setup the input buffer state to scan directly from a user-specified character buffer.
 * @param base the character buffer
 * @param size the size in bytes of the character buffer
 * 
 * @return the newly allocated buffer state object. 
 */
YY_BUFFER_STATE yy_scan_buffer  (char * base, yy_size_t  size )
{
        YY_BUFFER_STATE b;
    
        if ( size < 2 ||
             base[size-2] != YY_END_OF_BUFFER_CHAR ||
             base[size-1] != YY_END_OF_BUFFER_CHAR )
                /* They forgot to leave room for the EOB's. */
                return 0;

        b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state )  );
        if ( ! b )
                YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );

        b->yy_buf_size = size - 2;      /* "- 2" to take care of EOB's */
        b->yy_buf_pos = b->yy_ch_buf = base;
        b->yy_is_our_buffer = 0;
        b->yy_input_file = 0;
        b->yy_n_chars = b->yy_buf_size;
        b->yy_is_interactive = 0;
        b->yy_at_bol = 1;
        b->yy_fill_buffer = 0;
        b->yy_buffer_status = YY_BUFFER_NEW;

        yy_switch_to_buffer(b  );

        return b;
}

/** Setup the input buffer state to scan a string. The next call to yylex() will
 * scan from a @e copy of @a str.
 * @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
 *       yy_scan_bytes() instead.
 */
YY_BUFFER_STATE yy_scan_string (yyconst char * yystr )
{
    
        return yy_scan_bytes(yystr,strlen(yystr) );
}

/** Setup the input buffer state to scan the given bytes. The next call to yylex() will
 * scan from a @e copy of @a bytes.
 * @param bytes the byte buffer to scan
 * @param len the number of bytes in the buffer pointed to by @a bytes.
 * 
 * @return the newly allocated buffer state object.
 */
YY_BUFFER_STATE yy_scan_bytes  (yyconst char * yybytes, int  _yybytes_len )
{
        YY_BUFFER_STATE b;
        char *buf;
        yy_size_t n;
        int i;
    
        /* Get memory for full buffer, including space for trailing EOB's. */
        n = _yybytes_len + 2;
        buf = (char *) yyalloc(n  );
        if ( ! buf )
                YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );

        for ( i = 0; i < _yybytes_len; ++i )
                buf[i] = yybytes[i];

        buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;

        b = yy_scan_buffer(buf,n );
        if ( ! b )
                YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );

        /* It's okay to grow etc. this buffer, and we should throw it
         * away when we're done.
         */
        b->yy_is_our_buffer = 1;

        return b;
}

#ifndef YY_EXIT_FAILURE
#define YY_EXIT_FAILURE 2
#endif

static void yy_fatal_error (yyconst char* msg )
{
        (void) fprintf( stderr, "%s\n", msg );
        exit( YY_EXIT_FAILURE );
}

/* Redefine yyless() so it works in section 3 code. */

#undef yyless
#define yyless(n) \
        do \
                { \
                /* Undo effects of setting up yytext. */ \
        int yyless_macro_arg = (n); \
        YY_LESS_LINENO(yyless_macro_arg);\
                yytext[yyleng] = (yy_hold_char); \
                (yy_c_buf_p) = yytext + yyless_macro_arg; \
                (yy_hold_char) = *(yy_c_buf_p); \
                *(yy_c_buf_p) = '\0'; \
                yyleng = yyless_macro_arg; \
                } \
        while ( 0 )

/* Accessor  methods (get/set functions) to struct members. */

/** Get the current line number.
 * 
 */
int yyget_lineno  (void)
{
        
    return yylineno;
}

/** Get the input stream.
 * 
 */
FILE *yyget_in  (void)
{
        return yyin;
}

/** Get the output stream.
 * 
 */
FILE *yyget_out  (void)
{
        return yyout;
}

/** Get the length of the current token.
 * 
 */
int yyget_leng  (void)
{
        return yyleng;
}

/** Get the current token.
 * 
 */

char *yyget_text  (void)
{
        return yytext;
}

/** Set the current line number.
 * @param line_number
 * 
 */
void yyset_lineno (int  line_number )
{
    
    yylineno = line_number;
}

/** Set the input stream. This does not discard the current
 * input buffer.
 * @param in_str A readable stream.
 * 
 * @see yy_switch_to_buffer
 */
void yyset_in (FILE *  in_str )
{
        yyin = in_str ;
}

void yyset_out (FILE *  out_str )
{
        yyout = out_str ;
}

int yyget_debug  (void)
{
        return yy_flex_debug;
}

void yyset_debug (int  bdebug )
{
        yy_flex_debug = bdebug ;
}

static int yy_init_globals (void)
{
        /* Initialization is the same as for the non-reentrant scanner.
     * This function is called from yylex_destroy(), so don't allocate here.
     */

    /* We do not touch yylineno unless the option is enabled. */
    yylineno =  1;
    
    (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
    yyin = stdin;
    yyout = stdout;
#else
    yyin = (FILE *) 0;
    yyout = (FILE *) 0;
#endif

    /* For future reference: Set errno on error, since we are called by
     * yylex_init()
     */
    return 0;
}

/* yylex_destroy is for both reentrant and non-reentrant scanners. */
int yylex_destroy  (void)
{
    
    /* Pop the buffer stack, destroying each element. */
        while(YY_CURRENT_BUFFER){
                yy_delete_buffer(YY_CURRENT_BUFFER  );
                YY_CURRENT_BUFFER_LVALUE = NULL;
                yypop_buffer_state();
        }

        /* Destroy the stack itself. */
        yyfree((yy_buffer_stack) );
        (yy_buffer_stack) = NULL;

    /* Reset the globals. This is important in a non-reentrant scanner so the next time
     * yylex() is called, initialization will occur. */
    yy_init_globals( );

    return 0;
}

/*
 * Internal utility routines.
 */

#ifndef yytext_ptr
static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
{
        register int i;
        for ( i = 0; i < n; ++i )
                s1[i] = s2[i];
}
#endif

#ifdef YY_NEED_STRLEN
static int yy_flex_strlen (yyconst char * s )
{
        register int n;
        for ( n = 0; s[n]; ++n )
                ;

        return n;
}
#endif

void *yyalloc (yy_size_t  size )
{
        return (void *) malloc( size );
}

void *yyrealloc  (void * ptr, yy_size_t  size )
{
        /* The cast to (char *) in the following accommodates both
         * implementations that use char* generic pointers, and those
         * that use void* generic pointers.  It works with the latter
         * because both ANSI C and C++ allow castless assignment from
         * any pointer type to void*, and deal with argument conversions
         * as though doing an assignment.
         */
        return (void *) realloc( (char *) ptr, size );
}

void yyfree (void * ptr )
{
        free( (char *) ptr );   /* see yyrealloc() for (char *) cast */
}

#define YYTABLES_NAME "yytables"

#line 222 "dtc-lexer.l"




/*
 * Stack of nested include file contexts.
 */

struct incl_file {
        struct dtc_file *file;
        YY_BUFFER_STATE yy_prev_buf;
        int yy_prev_lineno;
        struct incl_file *prev;
};

static struct incl_file *incl_file_stack;


/*
 * Detect infinite include recursion.
 */
#define MAX_INCLUDE_DEPTH       (100)

static int incl_depth = 0;


static void push_input_file(const char *filename)
{
        struct incl_file *incl_file;
        struct dtc_file *newfile;
        struct search_path search, *searchptr = NULL;

        assert(filename);

        if (incl_depth++ >= MAX_INCLUDE_DEPTH)
                die("Includes nested too deeply");

        if (srcpos_file) {
                search.dir = srcpos_file->dir;
                search.next = NULL;
                search.prev = NULL;
                searchptr = &search;
        }

        newfile = dtc_open_file(filename, searchptr);

        incl_file = xmalloc(sizeof(struct incl_file));

        /*
         * Save current context.
         */
        incl_file->yy_prev_buf = YY_CURRENT_BUFFER;
        incl_file->yy_prev_lineno = yylineno;
        incl_file->file = srcpos_file;
        incl_file->prev = incl_file_stack;

        incl_file_stack = incl_file;

        /*
         * Establish new context.
         */
        srcpos_file = newfile;
        yylineno = 1;
        yyin = newfile->file;
        yy_switch_to_buffer(yy_create_buffer(yyin,YY_BUF_SIZE));
}


static int pop_input_file(void)
{
        struct incl_file *incl_file;

        if (incl_file_stack == 0)
                return 0;

        dtc_close_file(srcpos_file);

        /*
         * Pop.
         */
        --incl_depth;
        incl_file = incl_file_stack;
        incl_file_stack = incl_file->prev;

        /*
         * Recover old context.
         */
        yy_delete_buffer(YY_CURRENT_BUFFER);
        yy_switch_to_buffer(incl_file->yy_prev_buf);
        yylineno = incl_file->yy_prev_lineno;
        srcpos_file = incl_file->file;
        yyin = incl_file->file ? incl_file->file->file : NULL;

        /*
         * Free old state.
         */
        free(incl_file);

        return 1;
}