The Tor Browser / file revision

 #line 16 "./Tokenizer.l"

 //

 // Copyright (c) 2011-2013 The ANGLE Project Authors. All rights reserved.

 // Use of this source code is governed by a BSD-style license that can be

 // found in the LICENSE file.

 //

 // This file is auto-generated by generate_parser.sh. DO NOT EDIT!

 #line 13 "./Tokenizer.cpp"

 #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 35

 #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;

 typedef uint64_t flex_uint64_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)

 /* An opaque pointer. */

 #ifndef YY_TYPEDEF_YY_SCANNER_T

 #define YY_TYPEDEF_YY_SCANNER_T

 typedef void* yyscan_t;

 #endif

 /* For convenience, these vars (plus the bison vars far below)

    are macros in the reentrant scanner. */

 #define yyin yyg->yyin_r

 #define yyout yyg->yyout_r

 #define yyextra yyg->yyextra_r

 #define yyleng yyg->yyleng_r

 #define yytext yyg->yytext_r

 #define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)

 #define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)

 #define yy_flex_debug yyg->yy_flex_debug_r

 /* 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 yyg->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 ((yyg->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 pprestart(yyin ,yyscanner )

 #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

 #ifndef YY_TYPEDEF_YY_SIZE_T

 #define YY_TYPEDEF_YY_SIZE_T

 typedef size_t yy_size_t;

 #endif

 #define EOB_ACT_CONTINUE_SCAN 0

 #define EOB_ACT_END_OF_FILE 1

 #define EOB_ACT_LAST_MATCH 2

     #define YY_LESS_LINENO(n)

 /* 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 = yyg->yy_hold_char; \

 		YY_RESTORE_YY_MORE_OFFSET \

 		yyg->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, yyg->yytext_ptr , yyscanner )

 #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.

 	 */

 	yy_size_t 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 pprestart()), 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 */

 /* 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 ( yyg->yy_buffer_stack \

                           ? yyg->yy_buffer_stack[yyg->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 yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]

 void pprestart (FILE *input_file ,yyscan_t yyscanner );

 void pp_switch_to_buffer (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );

 YY_BUFFER_STATE pp_create_buffer (FILE *file,int size ,yyscan_t yyscanner );

 void pp_delete_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );

 void pp_flush_buffer (YY_BUFFER_STATE b ,yyscan_t yyscanner );

 void pppush_buffer_state (YY_BUFFER_STATE new_buffer ,yyscan_t yyscanner );

 void pppop_buffer_state (yyscan_t yyscanner );

 static void ppensure_buffer_stack (yyscan_t yyscanner );

 static void pp_load_buffer_state (yyscan_t yyscanner );

 static void pp_init_buffer (YY_BUFFER_STATE b,FILE *file ,yyscan_t yyscanner );

 #define YY_FLUSH_BUFFER pp_flush_buffer(YY_CURRENT_BUFFER ,yyscanner)

 YY_BUFFER_STATE pp_scan_buffer (char *base,yy_size_t size ,yyscan_t yyscanner );

 YY_BUFFER_STATE pp_scan_string (yyconst char *yy_str ,yyscan_t yyscanner );

 YY_BUFFER_STATE pp_scan_bytes (yyconst char *bytes,yy_size_t len ,yyscan_t yyscanner );

 void *ppalloc (yy_size_t ,yyscan_t yyscanner );

 void *pprealloc (void *,yy_size_t ,yyscan_t yyscanner );

 void ppfree (void * ,yyscan_t yyscanner );

 #define yy_new_buffer pp_create_buffer

 #define yy_set_interactive(is_interactive) \

 	{ \

 	if ( ! YY_CURRENT_BUFFER ){ \

         ppensure_buffer_stack (yyscanner); \

 		YY_CURRENT_BUFFER_LVALUE =    \

             pp_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \

 	} \

 	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \

 	}

 #define yy_set_bol(at_bol) \

 	{ \

 	if ( ! YY_CURRENT_BUFFER ){\

         ppensure_buffer_stack (yyscanner); \

 		YY_CURRENT_BUFFER_LVALUE =    \

             pp_create_buffer(yyin,YY_BUF_SIZE ,yyscanner); \

 	} \

 	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \

 	}

 #define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)

 /* Begin user sect3 */

 #define ppwrap(n) 1

 #define YY_SKIP_YYWRAP

 typedef unsigned char YY_CHAR;

 typedef int yy_state_type;

 #define yytext_ptr yytext_r

 static yy_state_type yy_get_previous_state (yyscan_t yyscanner );

 static yy_state_type yy_try_NUL_trans (yy_state_type current_state  ,yyscan_t yyscanner);

 static int yy_get_next_buffer (yyscan_t yyscanner );

 static void yy_fatal_error (yyconst char msg[] ,yyscan_t yyscanner );

 /* Done after the current pattern has been matched and before the

  * corresponding action - sets up yytext.

  */

 #define YY_DO_BEFORE_ACTION \

 	yyg->yytext_ptr = yy_bp; \

 	yyleng = (yy_size_t) (yy_cp - yy_bp); \

 	yyg->yy_hold_char = *yy_cp; \

 	*yy_cp = '\0'; \

 	yyg->yy_c_buf_p = yy_cp;

 #define YY_NUM_RULES 38

 #define YY_END_OF_BUFFER 39

 /* 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[87] =

     {   0,

         0,    0,    0,    0,   39,   37,   34,   35,   35,   33,

         7,   33,   33,   33,   33,   33,   33,   33,   33,    9,

         9,   33,   33,   33,    8,   37,   33,   33,    3,    5,

         5,    4,   34,   35,   19,   27,   20,   30,   25,   12,

        23,   13,   24,   10,    2,    1,   26,   10,    9,   11,

        11,   11,   11,    9,   14,   16,   18,   17,   15,    8,

        36,   36,   31,   21,   32,   22,    3,    5,    6,   11,

        10,   11,    1,   10,   11,    0,   10,    9,   28,   29,

         0,   10,   10,   10,   10,    0

     } ;

 static yyconst flex_int32_t yy_ec[256] =

     {   0,

         1,    1,    1,    1,    1,    1,    1,    1,    2,    3,

         2,    2,    4,    1,    1,    1,    1,    1,    1,    1,

         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,

         1,    2,    5,    1,    6,    1,    7,    8,    1,    9,

         9,   10,   11,    9,   12,   13,   14,   15,   16,   16,

        16,   16,   16,   16,   16,   17,   17,    9,    9,   18,

        19,   20,    9,    1,   21,   21,   21,   21,   22,   21,

        23,   23,   23,   23,   23,   23,   23,   23,   23,   23,

        23,   23,   23,   23,   23,   23,   23,   24,   23,   23,

         9,   25,    9,   26,   23,    1,   21,   21,   21,   21,

        22,   21,   23,   23,   23,   23,   23,   23,   23,   23,

        23,   23,   23,   23,   23,   23,   23,   23,   23,   24,

        23,   23,    9,   27,    9,    9,    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[28] =

     {   0,

         1,    1,    2,    2,    1,    1,    1,    1,    1,    3,

         1,    1,    4,    1,    5,    5,    5,    1,    1,    1,

         5,    5,    5,    5,    1,    1,    1

     } ;

 static yyconst flex_int16_t yy_base[92] =

     {   0,

         0,    0,   25,   27,  162,  163,  159,  163,  152,  132,

       163,  131,   24,  163,  116,   22,   26,   31,   30,   37,

        40,   44,  115,   46,    0,   64,   50,   15,    0,  163,

       124,   91,   88,  163,  163,  163,  163,  163,  163,  163,

       163,  163,  163,   64,  163,    0,  163,   76,   54,   58,

        79,   91,   91,    0,   56,  163,  163,  163,   32,    0,

       163,   36,  163,  163,  163,  163,    0,  163,  163,   94,

         0,  106,    0,    0,  113,   55,   72,  113,  163,  163,

       116,  101,  108,  123,  126,  163,  143,   31,  148,  153,

       155

     } ;

 static yyconst flex_int16_t yy_def[92] =

     {   0,

        86,    1,   87,   87,   86,   86,   86,   86,   86,   86,

        86,   86,   86,   86,   86,   86,   86,   86,   86,   86,

        20,   86,   86,   86,   88,   86,   86,   86,   89,   86,

        86,   86,   86,   86,   86,   86,   86,   86,   86,   86,

        86,   86,   86,   86,   86,   90,   86,   86,   20,   20,

        48,   51,   91,   21,   86,   86,   86,   86,   86,   88,

        86,   86,   86,   86,   86,   86,   89,   86,   86,   44,

        44,   70,   90,   48,   51,   86,   52,   91,   86,   86,

        86,   72,   75,   86,   86,    0,   86,   86,   86,   86,

        86

     } ;

 static yyconst flex_int16_t yy_nxt[191] =

     {   0,

         6,    7,    8,    9,   10,   11,   12,   13,   14,   15,

        16,   17,   18,   19,   20,   21,   21,   22,   23,   24,

        25,   25,   25,   25,   26,   27,   28,   30,   31,   30,

        31,   37,   40,   65,   32,   60,   32,   42,   61,   45,

        41,   66,   38,   46,   43,   44,   44,   44,   47,   48,

        80,   49,   49,   50,   54,   54,   54,   51,   52,   51,

        53,   55,   56,   51,   58,   59,   61,   62,   63,   84,

        84,   84,   50,   50,   79,   64,   70,   51,   71,   71,

        71,   51,   86,   86,   70,   72,   70,   70,   51,   33,

        74,   74,   74,   51,   51,   51,   51,   75,   51,   51,

        51,   76,   76,   51,   69,   77,   77,   77,   70,   70,

        70,   86,   86,   51,   51,   70,   81,   81,   86,   86,

        82,   82,   82,   81,   81,   51,   68,   83,   83,   83,

        85,   85,   85,   57,   39,   51,   51,   84,   84,   84,

        85,   85,   85,   29,   29,   29,   29,   29,   67,   36,

        35,   67,   67,   73,   34,   73,   73,   73,   78,   78,

        33,   86,    5,   86,   86,   86,   86,   86,   86,   86,

        86,   86,   86,   86,   86,   86,   86,   86,   86,   86,

        86,   86,   86,   86,   86,   86,   86,   86,   86,   86

     } ;

 static yyconst flex_int16_t yy_chk[191] =

     {   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,    3,    3,    4,

         4,   13,   16,   28,    3,   88,    4,   17,   62,   19,

        16,   28,   13,   19,   17,   18,   18,   18,   19,   20,

        59,   20,   20,   20,   21,   21,   21,   20,   20,   20,

        20,   22,   22,   21,   24,   24,   26,   26,   27,   76,

        76,   76,   50,   50,   55,   27,   44,   49,   44,   44,

        44,   50,   77,   77,   44,   44,   44,   44,   48,   33,

        48,   48,   48,   51,   51,   51,   48,   48,   48,   48,

        51,   52,   52,   53,   32,   52,   52,   52,   70,   70,

        70,   82,   82,   53,   53,   70,   72,   72,   83,   83,

        72,   72,   72,   75,   75,   78,   31,   75,   75,   75,

        81,   81,   81,   23,   15,   78,   78,   84,   84,   84,

        85,   85,   85,   87,   87,   87,   87,   87,   89,   12,

        10,   89,   89,   90,    9,   90,   90,   90,   91,   91,

         7,    5,   86,   86,   86,   86,   86,   86,   86,   86,

        86,   86,   86,   86,   86,   86,   86,   86,   86,   86,

        86,   86,   86,   86,   86,   86,   86,   86,   86,   86

     } ;

 /* 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

 /*

 //

 // Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.

 // Use of this source code is governed by a BSD-style license that can be

 // found in the LICENSE file.

 //

 This file contains the Lex specification for GLSL ES preprocessor.

 Based on Microsoft Visual Studio 2010 Preprocessor Grammar:

 http://msdn.microsoft.com/en-us/library/2scxys89.aspx

 IF YOU MODIFY THIS FILE YOU ALSO NEED TO RUN generate_parser.sh.

 */

 #include "Tokenizer.h"

 #include "DiagnosticsBase.h"

 #include "Token.h"

 #if defined(__GNUC__)

 // Triggered by the auto-generated yy_fatal_error function.

 #pragma GCC diagnostic ignored "-Wmissing-noreturn"

 #endif

 typedef std::string YYSTYPE;

 typedef pp::SourceLocation YYLTYPE;

 // Use the unused yycolumn variable to track file (string) number.

 #define yyfileno yycolumn

 #define YY_USER_INIT                   \

     do {                               \

         yyfileno = 0;                  \

         yylineno = 1;                  \

         yyextra->leadingSpace = false; \

         yyextra->lineStart = true;     \

     } while(0);

 #define YY_USER_ACTION                                              \

     do                                                              \

     {                                                               \

         pp::Input* input = &yyextra->input;                         \

         pp::Input::Location* scanLoc = &yyextra->scanLoc;           \

         while ((scanLoc->sIndex < input->count()) &&                \

                (scanLoc->cIndex >= input->length(scanLoc->sIndex))) \

         {                                                           \

             scanLoc->cIndex -= input->length(scanLoc->sIndex++);    \

             ++yyfileno; yylineno = 1;                               \

         }                                                           \

         yylloc->file = yyfileno;                                    \

         yylloc->line = yylineno;                                    \

         scanLoc->cIndex += yyleng;                                  \

     } while(0);

 #define YY_INPUT(buf, result, maxSize) \

     result = yyextra->input.read(buf, maxSize);

 #define INITIAL 0

 #define COMMENT 1

 #define YY_EXTRA_TYPE pp::Tokenizer::Context*

 /* Holds the entire state of the reentrant scanner. */

 struct yyguts_t

     {

     /* User-defined. Not touched by flex. */

     YY_EXTRA_TYPE yyextra_r;

     /* The rest are the same as the globals declared in the non-reentrant scanner. */

     FILE *yyin_r, *yyout_r;

     size_t yy_buffer_stack_top; /**< index of top of stack. */

     size_t yy_buffer_stack_max; /**< capacity of stack. */

     YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */

     char yy_hold_char;

     yy_size_t yy_n_chars;

     yy_size_t yyleng_r;

     char *yy_c_buf_p;

     int yy_init;

     int yy_start;

     int yy_did_buffer_switch_on_eof;

     int yy_start_stack_ptr;

     int yy_start_stack_depth;

     int *yy_start_stack;

     yy_state_type yy_last_accepting_state;

     char* yy_last_accepting_cpos;

     int yylineno_r;

     int yy_flex_debug_r;

     char *yytext_r;

     int yy_more_flag;

     int yy_more_len;

     YYSTYPE * yylval_r;

     YYLTYPE * yylloc_r;

     }; /* end struct yyguts_t */

 static int yy_init_globals (yyscan_t yyscanner );

     /* This must go here because YYSTYPE and YYLTYPE are included

      * from bison output in section 1.*/

     #    define yylval yyg->yylval_r

     #    define yylloc yyg->yylloc_r

 int pplex_init (yyscan_t* scanner);

 int pplex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner);

 /* Accessor methods to globals.

    These are made visible to non-reentrant scanners for convenience. */

 int pplex_destroy (yyscan_t yyscanner );

 int ppget_debug (yyscan_t yyscanner );

 void ppset_debug (int debug_flag ,yyscan_t yyscanner );

 YY_EXTRA_TYPE ppget_extra (yyscan_t yyscanner );

 void ppset_extra (YY_EXTRA_TYPE user_defined ,yyscan_t yyscanner );

 FILE *ppget_in (yyscan_t yyscanner );

 void ppset_in  (FILE * in_str ,yyscan_t yyscanner );

 FILE *ppget_out (yyscan_t yyscanner );

 void ppset_out  (FILE * out_str ,yyscan_t yyscanner );

 yy_size_t ppget_leng (yyscan_t yyscanner );

 char *ppget_text (yyscan_t yyscanner );

 int ppget_lineno (yyscan_t yyscanner );

 void ppset_lineno (int line_number ,yyscan_t yyscanner );

 YYSTYPE * ppget_lval (yyscan_t yyscanner );

 void ppset_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner );

        YYLTYPE *ppget_lloc (yyscan_t yyscanner );

         void ppset_lloc (YYLTYPE * yylloc_param ,yyscan_t yyscanner );

 /* Macros after this point can all be overridden by user definitions in

  * section 1.

  */

 #ifndef YY_SKIP_YYWRAP

 #ifdef __cplusplus

 extern "C" int ppwrap (yyscan_t yyscanner );

 #else

 extern int ppwrap (yyscan_t yyscanner );

 #endif

 #endif

 #ifndef yytext_ptr

 static void yy_flex_strncpy (char *,yyconst char *,int ,yyscan_t yyscanner);

 #endif

 #ifdef YY_NEED_STRLEN

 static int yy_flex_strlen (yyconst char * ,yyscan_t yyscanner);

 #endif

 #ifndef YY_NO_INPUT

 #ifdef __cplusplus

 static int yyinput (yyscan_t yyscanner );

 #else

 static int input (yyscan_t yyscanner );

 #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 = '*'; \

 		yy_size_t 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 , yyscanner)

 #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 pplex \

                (YYSTYPE * yylval_param,YYLTYPE * yylloc_param ,yyscan_t yyscanner);

 #define YY_DECL int pplex \

                (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner)

 #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;

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     /* Line comment */

     yylval = yylval_param;

     yylloc = yylloc_param;

 	if ( !yyg->yy_init )

 		{

 		yyg->yy_init = 1;

 #ifdef YY_USER_INIT

 		YY_USER_INIT;

 #endif

 		if ( ! yyg->yy_start )

 			yyg->yy_start = 1;	/* first start state */

 		if ( ! yyin )

 			yyin = stdin;

 		if ( ! yyout )

 			yyout = stdout;

 		if ( ! YY_CURRENT_BUFFER ) {

 			ppensure_buffer_stack (yyscanner);

 			YY_CURRENT_BUFFER_LVALUE =

 				pp_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);

 		}

 		pp_load_buffer_state(yyscanner );

 		}

 	while ( 1 )		/* loops until end-of-file is reached */

 		{

 		yy_cp = yyg->yy_c_buf_p;

 		/* Support of yytext. */

 		*yy_cp = yyg->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 = yyg->yy_start;

 yy_match:

 		do

 			{

 			register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];

 			if ( yy_accept[yy_current_state] )

 				{

 				yyg->yy_last_accepting_state = yy_current_state;

 				yyg->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 >= 87 )

 					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_current_state != 86 );

 		yy_cp = yyg->yy_last_accepting_cpos;

 		yy_current_state = yyg->yy_last_accepting_state;

 yy_find_action:

 		yy_act = yy_accept[yy_current_state];

 		YY_DO_BEFORE_ACTION;

 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 = yyg->yy_hold_char;

 			yy_cp = yyg->yy_last_accepting_cpos;

 			yy_current_state = yyg->yy_last_accepting_state;

 			goto yy_find_action;

 case 1:

 YY_RULE_SETUP

 	YY_BREAK

 /* Block comment */

 /* Line breaks are just counted - not returned. */

 /* The comment is replaced by a single space. */ 

 case 2:

 YY_RULE_SETUP

 { BEGIN(COMMENT); }

 	YY_BREAK

 case 3:

 YY_RULE_SETUP

 	YY_BREAK

 case 4:

 YY_RULE_SETUP

 	YY_BREAK

 case 5:

 /* rule 5 can match eol */

 YY_RULE_SETUP

 { ++yylineno; }

 	YY_BREAK

 case 6:

 YY_RULE_SETUP

 {

     yyextra->leadingSpace = true;

     BEGIN(INITIAL);

 }

 	YY_BREAK

 case 7:

 YY_RULE_SETUP

 {

     // # is only valid at start of line for preprocessor directives.

     yylval->assign(1, yytext[0]);

     return yyextra->lineStart ? pp::Token::PP_HASH : pp::Token::PP_OTHER;

 }

 	YY_BREAK

 case 8:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::IDENTIFIER;

 }

 	YY_BREAK

 case 9:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::CONST_INT;

 }

 	YY_BREAK

 case 10:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::CONST_FLOAT;

 }

 	YY_BREAK

 /* Anything that starts with a {DIGIT} or .{DIGIT} must be a number. */

 /* Rule to catch all invalid integers and floats. */

 case 11:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::PP_NUMBER;

 }

 	YY_BREAK

 case 12:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_INC;

 }

 	YY_BREAK

 case 13:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_DEC;

 }

 	YY_BREAK

 case 14:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_LEFT;

 }

 	YY_BREAK

 case 15:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_RIGHT;

 }

 	YY_BREAK

 case 16:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_LE;

 }

 	YY_BREAK

 case 17:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_GE;

 }

 	YY_BREAK

 case 18:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_EQ;

 }

 	YY_BREAK

 case 19:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_NE;

 }

 	YY_BREAK

 case 20:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_AND;

 }

 	YY_BREAK

 case 21:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_XOR;

 }

 	YY_BREAK

 case 22:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_OR;

 }

 	YY_BREAK

 case 23:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_ADD_ASSIGN;

 }

 	YY_BREAK

 case 24:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_SUB_ASSIGN;

 }

 	YY_BREAK

 case 25:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_MUL_ASSIGN;

 }

 	YY_BREAK

 case 26:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_DIV_ASSIGN;

 }

 	YY_BREAK

 case 27:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_MOD_ASSIGN;

 }

 	YY_BREAK

 case 28:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_LEFT_ASSIGN;

 }

 	YY_BREAK

 case 29:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_RIGHT_ASSIGN;

 }

 	YY_BREAK

 case 30:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_AND_ASSIGN;

 }

 	YY_BREAK

 case 31:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_XOR_ASSIGN;

 }

 	YY_BREAK

 case 32:

 YY_RULE_SETUP

 {

     yylval->assign(yytext, yyleng);

     return pp::Token::OP_OR_ASSIGN;

 }

 	YY_BREAK

 case 33:

 YY_RULE_SETUP

 {

     yylval->assign(1, yytext[0]);

     return yytext[0];

 }

 	YY_BREAK

 case 34:

 YY_RULE_SETUP

 { yyextra->leadingSpace = true; }

 	YY_BREAK

 case 35:

 /* rule 35 can match eol */

 YY_RULE_SETUP

 {

     ++yylineno;

     yylval->assign(1, '\n');

     return '\n';

 }

 	YY_BREAK

 case 36:

 /* rule 36 can match eol */

 YY_RULE_SETUP

 { ++yylineno; }

 	YY_BREAK

 case 37:

 YY_RULE_SETUP

 {

     yylval->assign(1, yytext[0]);

     return pp::Token::PP_OTHER;

 }

 	YY_BREAK

 case YY_STATE_EOF(INITIAL):

 case YY_STATE_EOF(COMMENT):

 {

     // YY_USER_ACTION is not invoked for handling EOF.

     // Set the location for EOF token manually.

     pp::Input* input = &yyextra->input;

     pp::Input::Location* scanLoc = &yyextra->scanLoc;

     yy_size_t sIndexMax = input->count() ? input->count() - 1 : 0;

     if (scanLoc->sIndex != sIndexMax)

     {

         // We can only reach here if there are empty strings at the

         // end of the input.

         scanLoc->sIndex = sIndexMax; scanLoc->cIndex = 0;

         // FIXME: this is not 64-bit clean.

         yyfileno = static_cast<int>(sIndexMax); yylineno = 1;

     }

     yylloc->file = yyfileno;

     yylloc->line = yylineno;

     yylval->clear();

     if (YY_START == COMMENT)

     {

         yyextra->diagnostics->report(pp::Diagnostics::EOF_IN_COMMENT,

                                      pp::SourceLocation(yyfileno, yylineno),

                                      "");

     }

     yyterminate();

 }

 	YY_BREAK

 case 38:

 YY_RULE_SETUP

 ECHO;

 	YY_BREAK

 	case YY_END_OF_BUFFER:

 		{

 		/* Amount of text matched not including the EOB char. */

 		int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1;

 		/* Undo the effects of YY_DO_BEFORE_ACTION. */

 		*yy_cp = yyg->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

 			 * pplex().  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.

 			 */

 			yyg->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 ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] )

 			{ /* This was really a NUL. */

 			yy_state_type yy_next_state;

 			yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text;

 			yy_current_state = yy_get_previous_state( yyscanner );

 			/* 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 , yyscanner);

 			yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;

 			if ( yy_next_state )

 				{

 				/* Consume the NUL. */

 				yy_cp = ++yyg->yy_c_buf_p;

 				yy_current_state = yy_next_state;

 				goto yy_match;

 				}

 			else

 				{

 				yy_cp = yyg->yy_last_accepting_cpos;

 				yy_current_state = yyg->yy_last_accepting_state;

 				goto yy_find_action;

 				}

 			}

 		else switch ( yy_get_next_buffer( yyscanner ) )

 			{

 			case EOB_ACT_END_OF_FILE:

 				{

 				yyg->yy_did_buffer_switch_on_eof = 0;

 				if ( ppwrap(yyscanner ) )

 					{

 					/* 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.

 					 */

 					yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ;

 					yy_act = YY_STATE_EOF(YY_START);

 					goto do_action;

 					}

 				else

 					{

 					if ( ! yyg->yy_did_buffer_switch_on_eof )

 						YY_NEW_FILE;

 					}

 				break;

 				}

 			case EOB_ACT_CONTINUE_SCAN:

 				yyg->yy_c_buf_p =

 					yyg->yytext_ptr + yy_amount_of_matched_text;

 				yy_current_state = yy_get_previous_state( yyscanner );

 				yy_cp = yyg->yy_c_buf_p;

 				yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;

 				goto yy_match;

 			case EOB_ACT_LAST_MATCH:

 				yyg->yy_c_buf_p =

 				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars];

 				yy_current_state = yy_get_previous_state( yyscanner );

 				yy_cp = yyg->yy_c_buf_p;

 				yy_bp = yyg->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 pplex */

 /* 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 (yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

 	register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;

 	register char *source = yyg->yytext_ptr;

 	register int number_to_move, i;

 	int ret_val;

 	if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->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 ( yyg->yy_c_buf_p - yyg->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) (yyg->yy_c_buf_p - yyg->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 = yyg->yy_n_chars = 0;

 	else

 		{

 			yy_size_t 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) (yyg->yy_c_buf_p - b->yy_ch_buf);

 			if ( b->yy_is_our_buffer )

 				{

 				yy_size_t 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. */

 					pprealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ,yyscanner );

 				}

 			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" );

 			yyg->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]),

 			yyg->yy_n_chars, num_to_read );

 		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;

 		}

 	if ( yyg->yy_n_chars == 0 )

 		{

 		if ( number_to_move == YY_MORE_ADJ )

 			{

 			ret_val = EOB_ACT_END_OF_FILE;

 			pprestart(yyin  ,yyscanner);

 			}

 		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) (yyg->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 = yyg->yy_n_chars + number_to_move + (yyg->yy_n_chars >> 1);

 		YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) pprealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ,yyscanner );

 		if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )

 			YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );

 	}

 	yyg->yy_n_chars += number_to_move;

 	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR;

 	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;

 	yyg->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 (yyscan_t yyscanner)

 {

 	register yy_state_type yy_current_state;

 	register char *yy_cp;

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

 	yy_current_state = yyg->yy_start;

 	for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->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] )

 			{

 			yyg->yy_last_accepting_state = yy_current_state;

 			yyg->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 >= 87 )

 				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 , yyscan_t yyscanner)

 {

 	register int yy_is_jam;

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */

 	register char *yy_cp = yyg->yy_c_buf_p;

 	register YY_CHAR yy_c = 1;

 	if ( yy_accept[yy_current_state] )

 		{

 		yyg->yy_last_accepting_state = yy_current_state;

 		yyg->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 >= 87 )

 			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 == 86);

 	return yy_is_jam ? 0 : yy_current_state;

 }

 #ifndef YY_NO_INPUT

 #ifdef __cplusplus

     static int yyinput (yyscan_t yyscanner)

 #else

     static int input  (yyscan_t yyscanner)

 #endif

 {

 	int c;

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

 	*yyg->yy_c_buf_p = yyg->yy_hold_char;

 	if ( *yyg->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 ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] )

 			/* This was really a NUL. */

 			*yyg->yy_c_buf_p = '\0';

 		else

 			{ /* need more input */

 			yy_size_t offset = yyg->yy_c_buf_p - yyg->yytext_ptr;

 			++yyg->yy_c_buf_p;

 			switch ( yy_get_next_buffer( yyscanner ) )

 				{

 				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. */

 					pprestart(yyin ,yyscanner);

 					/*FALLTHROUGH*/

 				case EOB_ACT_END_OF_FILE:

 					{

 					if ( ppwrap(yyscanner ) )

 						return EOF;

 					if ( ! yyg->yy_did_buffer_switch_on_eof )

 						YY_NEW_FILE;

 #ifdef __cplusplus

 					return yyinput(yyscanner);

 #else

 					return input(yyscanner);

 #endif

 					}

 				case EOB_ACT_CONTINUE_SCAN:

 					yyg->yy_c_buf_p = yyg->yytext_ptr + offset;

 					break;

 				}

 			}

 		}

 	c = *(unsigned char *) yyg->yy_c_buf_p;	/* cast for 8-bit char's */

 	*yyg->yy_c_buf_p = '\0';	/* preserve yytext */

 	yyg->yy_hold_char = *++yyg->yy_c_buf_p;

 	return c;

 }

 #endif	/* ifndef YY_NO_INPUT */

 /** Immediately switch to a different input stream.

  * @param input_file A readable stream.

  * @param yyscanner The scanner object.

  * @note This function does not reset the start condition to @c INITIAL .

  */

     void pprestart  (FILE * input_file , yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

 	if ( ! YY_CURRENT_BUFFER ){

         ppensure_buffer_stack (yyscanner);

 		YY_CURRENT_BUFFER_LVALUE =

             pp_create_buffer(yyin,YY_BUF_SIZE ,yyscanner);

 	}

 	pp_init_buffer(YY_CURRENT_BUFFER,input_file ,yyscanner);

 	pp_load_buffer_state(yyscanner );

 }

 /** Switch to a different input buffer.

  * @param new_buffer The new input buffer.

  * @param yyscanner The scanner object.

  */

     void pp_switch_to_buffer  (YY_BUFFER_STATE  new_buffer , yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

 	/* TODO. We should be able to replace this entire function body

 	 * with

 	 *		pppop_buffer_state();

 	 *		pppush_buffer_state(new_buffer);

      */

 	ppensure_buffer_stack (yyscanner);

 	if ( YY_CURRENT_BUFFER == new_buffer )

 		return;

 	if ( YY_CURRENT_BUFFER )

 		{

 		/* Flush out information for old buffer. */

 		*yyg->yy_c_buf_p = yyg->yy_hold_char;

 		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;

 		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;

 		}

 	YY_CURRENT_BUFFER_LVALUE = new_buffer;

 	pp_load_buffer_state(yyscanner );

 	/* We don't actually know whether we did this switch during

 	 * EOF (ppwrap()) processing, but the only time this flag

 	 * is looked at is after ppwrap() is called, so it's safe

 	 * to go ahead and always set it.

 	 */

 	yyg->yy_did_buffer_switch_on_eof = 1;

 }

 static void pp_load_buffer_state  (yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

 	yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;

 	yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;

 	yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;

 	yyg->yy_hold_char = *yyg->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.

  * @param yyscanner The scanner object.

  * @return the allocated buffer state.

  */

     YY_BUFFER_STATE pp_create_buffer  (FILE * file, int  size , yyscan_t yyscanner)

 {

 	YY_BUFFER_STATE b;

 	b = (YY_BUFFER_STATE) ppalloc(sizeof( struct yy_buffer_state ) ,yyscanner );

 	if ( ! b )

 		YY_FATAL_ERROR( "out of dynamic memory in pp_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 *) ppalloc(b->yy_buf_size + 2 ,yyscanner );

 	if ( ! b->yy_ch_buf )

 		YY_FATAL_ERROR( "out of dynamic memory in pp_create_buffer()" );

 	b->yy_is_our_buffer = 1;

 	pp_init_buffer(b,file ,yyscanner);

 	return b;

 }

 /** Destroy the buffer.

  * @param b a buffer created with pp_create_buffer()

  * @param yyscanner The scanner object.

  */

     void pp_delete_buffer (YY_BUFFER_STATE  b , yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

 	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 )

 		ppfree((void *) b->yy_ch_buf ,yyscanner );

 	ppfree((void *) b ,yyscanner );

 }

 /* Initializes or reinitializes a buffer.

  * This function is sometimes called more than once on the same buffer,

  * such as during a pprestart() or at EOF.

  */

     static void pp_init_buffer  (YY_BUFFER_STATE  b, FILE * file , yyscan_t yyscanner)

 {

 	int oerrno = errno;

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

 	pp_flush_buffer(b ,yyscanner);

 	b->yy_input_file = file;

 	b->yy_fill_buffer = 1;

     /* If b is the current buffer, then pp_init_buffer was _probably_

      * called from pprestart() 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 = 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.

  * @param yyscanner The scanner object.

  */

     void pp_flush_buffer (YY_BUFFER_STATE  b , yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

 	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 )

 		pp_load_buffer_state(yyscanner );

 }

 /** 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.

  *  @param yyscanner The scanner object.

  */

 void pppush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

 	if (new_buffer == NULL)

 		return;

 	ppensure_buffer_stack(yyscanner);

 	/* This block is copied from pp_switch_to_buffer. */

 	if ( YY_CURRENT_BUFFER )

 		{

 		/* Flush out information for old buffer. */

 		*yyg->yy_c_buf_p = yyg->yy_hold_char;

 		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;

 		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;

 		}

 	/* Only push if top exists. Otherwise, replace top. */

 	if (YY_CURRENT_BUFFER)

 		yyg->yy_buffer_stack_top++;

 	YY_CURRENT_BUFFER_LVALUE = new_buffer;

 	/* copied from pp_switch_to_buffer. */

 	pp_load_buffer_state(yyscanner );

 	yyg->yy_did_buffer_switch_on_eof = 1;

 }

 /** Removes and deletes the top of the stack, if present.

  *  The next element becomes the new top.

  *  @param yyscanner The scanner object.

  */

 void pppop_buffer_state (yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

 	if (!YY_CURRENT_BUFFER)

 		return;

 	pp_delete_buffer(YY_CURRENT_BUFFER ,yyscanner);

 	YY_CURRENT_BUFFER_LVALUE = NULL;

 	if (yyg->yy_buffer_stack_top > 0)

 		--yyg->yy_buffer_stack_top;

 	if (YY_CURRENT_BUFFER) {

 		pp_load_buffer_state(yyscanner );

 		yyg->yy_did_buffer_switch_on_eof = 1;

 	}

 }

 /* Allocates the stack if it does not exist.

  *  Guarantees space for at least one push.

  */

 static void ppensure_buffer_stack (yyscan_t yyscanner)

 {

 	yy_size_t num_to_alloc;

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

 	if (!yyg->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;

 		yyg->yy_buffer_stack = (struct yy_buffer_state**)ppalloc

 								(num_to_alloc * sizeof(struct yy_buffer_state*)

 								, yyscanner);

 		if ( ! yyg->yy_buffer_stack )

 			YY_FATAL_ERROR( "out of dynamic memory in ppensure_buffer_stack()" );

 		memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*));

 		yyg->yy_buffer_stack_max = num_to_alloc;

 		yyg->yy_buffer_stack_top = 0;

 		return;

 	}

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

 		/* Increase the buffer to prepare for a possible push. */

 		int grow_size = 8 /* arbitrary grow size */;

 		num_to_alloc = yyg->yy_buffer_stack_max + grow_size;

 		yyg->yy_buffer_stack = (struct yy_buffer_state**)pprealloc

 								(yyg->yy_buffer_stack,

 								num_to_alloc * sizeof(struct yy_buffer_state*)

 								, yyscanner);

 		if ( ! yyg->yy_buffer_stack )

 			YY_FATAL_ERROR( "out of dynamic memory in ppensure_buffer_stack()" );

 		/* zero only the new slots.*/

 		memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*));

 		yyg->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

  * @param yyscanner The scanner object.

  * @return the newly allocated buffer state object. 

  */

 YY_BUFFER_STATE pp_scan_buffer  (char * base, yy_size_t  size , yyscan_t yyscanner)

 {

 	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) ppalloc(sizeof( struct yy_buffer_state ) ,yyscanner );

 	if ( ! b )

 		YY_FATAL_ERROR( "out of dynamic memory in pp_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;

 	pp_switch_to_buffer(b ,yyscanner );

 	return b;

 }

 /** Setup the input buffer state to scan a string. The next call to pplex() will

  * scan from a @e copy of @a str.

  * @param yystr a NUL-terminated string to scan

  * @param yyscanner The scanner object.

  * @return the newly allocated buffer state object.

  * @note If you want to scan bytes that may contain NUL values, then use

  *       pp_scan_bytes() instead.

  */

 YY_BUFFER_STATE pp_scan_string (yyconst char * yystr , yyscan_t yyscanner)

 {

 	return pp_scan_bytes(yystr,strlen(yystr) ,yyscanner);

 }

 /** Setup the input buffer state to scan the given bytes. The next call to pplex() 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.

  * @param yyscanner The scanner object.

  * @return the newly allocated buffer state object.

  */

 YY_BUFFER_STATE pp_scan_bytes  (yyconst char * yybytes, yy_size_t  _yybytes_len , yyscan_t yyscanner)

 {

 	YY_BUFFER_STATE b;

 	char *buf;

 	yy_size_t n, i;

 	/* Get memory for full buffer, including space for trailing EOB's. */

 	n = _yybytes_len + 2;

 	buf = (char *) ppalloc(n ,yyscanner );

 	if ( ! buf )

 		YY_FATAL_ERROR( "out of dynamic memory in pp_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 = pp_scan_buffer(buf,n ,yyscanner);

 	if ( ! b )

 		YY_FATAL_ERROR( "bad buffer in pp_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 , yyscan_t yyscanner)

 {

     	(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] = yyg->yy_hold_char; \

 		yyg->yy_c_buf_p = yytext + yyless_macro_arg; \

 		yyg->yy_hold_char = *yyg->yy_c_buf_p; \

 		*yyg->yy_c_buf_p = '\0'; \

 		yyleng = yyless_macro_arg; \

 		} \

 	while ( 0 )

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

 /** Get the user-defined data for this scanner.

  * @param yyscanner The scanner object.

  */

 YY_EXTRA_TYPE ppget_extra  (yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     return yyextra;

 }

 /** Get the current line number.

  * @param yyscanner The scanner object.

  */

 int ppget_lineno  (yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

         if (! YY_CURRENT_BUFFER)

             return 0;

     return yylineno;

 }

 /** Get the current column number.

  * @param yyscanner The scanner object.

  */

 int ppget_column  (yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

         if (! YY_CURRENT_BUFFER)

             return 0;

     return yycolumn;

 }

 /** Get the input stream.

  * @param yyscanner The scanner object.

  */

 FILE *ppget_in  (yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     return yyin;

 }

 /** Get the output stream.

  * @param yyscanner The scanner object.

  */

 FILE *ppget_out  (yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     return yyout;

 }

 /** Get the length of the current token.

  * @param yyscanner The scanner object.

  */

 yy_size_t ppget_leng  (yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     return yyleng;

 }

 /** Get the current token.

  * @param yyscanner The scanner object.

  */

 char *ppget_text  (yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     return yytext;

 }

 /** Set the user-defined data. This data is never touched by the scanner.

  * @param user_defined The data to be associated with this scanner.

  * @param yyscanner The scanner object.

  */

 void ppset_extra (YY_EXTRA_TYPE  user_defined , yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     yyextra = user_defined ;

 }

 /** Set the current line number.

  * @param line_number

  * @param yyscanner The scanner object.

  */

 void ppset_lineno (int  line_number , yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

         /* lineno is only valid if an input buffer exists. */

         if (! YY_CURRENT_BUFFER )

            yy_fatal_error( "ppset_lineno called with no buffer" , yyscanner); 

     yylineno = line_number;

 }

 /** Set the current column.

  * @param line_number

  * @param yyscanner The scanner object.

  */

 void ppset_column (int  column_no , yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

         /* column is only valid if an input buffer exists. */

         if (! YY_CURRENT_BUFFER )

            yy_fatal_error( "ppset_column called with no buffer" , yyscanner); 

     yycolumn = column_no;

 }

 /** Set the input stream. This does not discard the current

  * input buffer.

  * @param in_str A readable stream.

  * @param yyscanner The scanner object.

  * @see pp_switch_to_buffer

  */

 void ppset_in (FILE *  in_str , yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     yyin = in_str ;

 }

 void ppset_out (FILE *  out_str , yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     yyout = out_str ;

 }

 int ppget_debug  (yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     return yy_flex_debug;

 }

 void ppset_debug (int  bdebug , yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     yy_flex_debug = bdebug ;

 }

 /* Accessor methods for yylval and yylloc */

 YYSTYPE * ppget_lval  (yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     return yylval;

 }

 void ppset_lval (YYSTYPE *  yylval_param , yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     yylval = yylval_param;

 }

 YYLTYPE *ppget_lloc  (yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     return yylloc;

 }

 void ppset_lloc (YYLTYPE *  yylloc_param , yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     yylloc = yylloc_param;

 }

 /* User-visible API */

 /* pplex_init is special because it creates the scanner itself, so it is

  * the ONLY reentrant function that doesn't take the scanner as the last argument.

  * That's why we explicitly handle the declaration, instead of using our macros.

  */

 int pplex_init(yyscan_t* ptr_yy_globals)

 {

     if (ptr_yy_globals == NULL){

         errno = EINVAL;

         return 1;

     }

     *ptr_yy_globals = (yyscan_t) ppalloc ( sizeof( struct yyguts_t ), NULL );

     if (*ptr_yy_globals == NULL){

         errno = ENOMEM;

         return 1;

     }

     /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */

     memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));

     return yy_init_globals ( *ptr_yy_globals );

 }

 /* pplex_init_extra has the same functionality as pplex_init, but follows the

  * convention of taking the scanner as the last argument. Note however, that

  * this is a *pointer* to a scanner, as it will be allocated by this call (and

  * is the reason, too, why this function also must handle its own declaration).

  * The user defined value in the first argument will be available to ppalloc in

  * the yyextra field.

  */

 int pplex_init_extra(YY_EXTRA_TYPE yy_user_defined,yyscan_t* ptr_yy_globals )

 {

     struct yyguts_t dummy_yyguts;

     ppset_extra (yy_user_defined, &dummy_yyguts);

     if (ptr_yy_globals == NULL){

         errno = EINVAL;

         return 1;

     }

     *ptr_yy_globals = (yyscan_t) ppalloc ( sizeof( struct yyguts_t ), &dummy_yyguts );

     if (*ptr_yy_globals == NULL){

         errno = ENOMEM;

         return 1;

     }

     /* By setting to 0xAA, we expose bugs in

     yy_init_globals. Leave at 0x00 for releases. */

     memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));

     ppset_extra (yy_user_defined, *ptr_yy_globals);

     return yy_init_globals ( *ptr_yy_globals );

 }

 static int yy_init_globals (yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     /* Initialization is the same as for the non-reentrant scanner.

      * This function is called from pplex_destroy(), so don't allocate here.

      */

     yyg->yy_buffer_stack = 0;

     yyg->yy_buffer_stack_top = 0;

     yyg->yy_buffer_stack_max = 0;

     yyg->yy_c_buf_p = (char *) 0;

     yyg->yy_init = 0;

     yyg->yy_start = 0;

     yyg->yy_start_stack_ptr = 0;

     yyg->yy_start_stack_depth = 0;

     yyg->yy_start_stack =  NULL;

 /* 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

      * pplex_init()

      */

     return 0;

 }

 /* pplex_destroy is for both reentrant and non-reentrant scanners. */

 int pplex_destroy  (yyscan_t yyscanner)

 {

     struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;

     /* Pop the buffer stack, destroying each element. */

 	while(YY_CURRENT_BUFFER){

 		pp_delete_buffer(YY_CURRENT_BUFFER ,yyscanner );

 		YY_CURRENT_BUFFER_LVALUE = NULL;

 		pppop_buffer_state(yyscanner);

 	}

 	/* Destroy the stack itself. */

 	ppfree(yyg->yy_buffer_stack ,yyscanner);

 	yyg->yy_buffer_stack = NULL;

     /* Destroy the start condition stack. */

         ppfree(yyg->yy_start_stack ,yyscanner );

         yyg->yy_start_stack = NULL;

     /* Reset the globals. This is important in a non-reentrant scanner so the next time

      * pplex() is called, initialization will occur. */

     yy_init_globals( yyscanner);

     /* Destroy the main struct (reentrant only). */

     ppfree ( yyscanner , yyscanner );

     yyscanner = NULL;

     return 0;

 }

 /*

  * Internal utility routines.

  */

 #ifndef yytext_ptr

 static void yy_flex_strncpy (char* s1, yyconst char * s2, int n , yyscan_t yyscanner)

 {

 	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 , yyscan_t yyscanner)

 {

 	register int n;

 	for ( n = 0; s[n]; ++n )

 		;

 	return n;

 }

 #endif

 void *ppalloc (yy_size_t  size , yyscan_t yyscanner)

 {

 	return (void *) malloc( size );

 }

 void *pprealloc  (void * ptr, yy_size_t  size , yyscan_t yyscanner)

 {

 	/* 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 ppfree (void * ptr , yyscan_t yyscanner)

 {

 	free( (char *) ptr );	/* see pprealloc() for (char *) cast */

 }

 #define YYTABLES_NAME "yytables"

 namespace pp {

 // TODO(alokp): Maximum token length should ideally be specified by

 // the preprocessor client, i.e., the compiler.

 const size_t Tokenizer::kMaxTokenLength = 256;

 Tokenizer::Tokenizer(Diagnostics* diagnostics) : mHandle(0)

 {

     mContext.diagnostics = diagnostics;

 }

 Tokenizer::~Tokenizer()

 {

     destroyScanner();

 }

 bool Tokenizer::init(size_t count, const char* const string[], const int length[])

 {

     if ((count > 0) && (string == 0)) return false;

     mContext.input = Input(count, string, length);

     return initScanner();

 }

 void Tokenizer::setFileNumber(int file)

 {

     // We use column number as file number.

     // See macro yyfileno.

     ppset_column(file,mHandle);

 }

 void Tokenizer::setLineNumber(int line)

 {

     ppset_lineno(line,mHandle);

 }

 void Tokenizer::lex(Token* token)

 {

     token->type = pplex(&token->text,&token->location,mHandle);

     if (token->text.size() > kMaxTokenLength)

     {

         mContext.diagnostics->report(Diagnostics::TOKEN_TOO_LONG,

                                      token->location, token->text);

         token->text.erase(kMaxTokenLength);

     }

     token->flags = 0;

     token->setAtStartOfLine(mContext.lineStart);

     mContext.lineStart = token->type == '\n';

     token->setHasLeadingSpace(mContext.leadingSpace);

     mContext.leadingSpace = false;

 }

 bool Tokenizer::initScanner()

 {

     if ((mHandle == NULL) && pplex_init_extra(&mContext,&mHandle))

         return false;

     pprestart(0,mHandle);

     return true;

 }

 void Tokenizer::destroyScanner()

 {

     if (mHandle == NULL)

         return;

     pplex_destroy(mHandle);

     mHandle = NULL;

 }

 }  // namespace pp