scan_isa.cpp

arm的模拟器

#define yyFlexLexer isa_FlexLexer

#line 4 "scan_isa.cpp"
/* A lexical scanner generated by flex */

/* Scanner skeleton version:
 * $Header: /home/cvs/armsim3/issgen/scan_isa.cpp,v 1.3 2007/05/18 19:27:47 wqin Exp $
 */

#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5



/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
#ifdef c_plusplus
#ifndef __cplusplus
#define __cplusplus
#endif
#endif


#ifdef __cplusplus

#include <stdlib.h>
#include <iostream>
using namespace std;

/* Use prototypes in function declarations. */
#define YY_USE_PROTOS

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

#else	/* ! __cplusplus */

#if __STDC__

#define YY_USE_PROTOS
#define YY_USE_CONST

#endif	/* __STDC__ */
#endif	/* ! __cplusplus */

#ifdef __TURBOC__
 #pragma warn -rch
 #pragma warn -use
#include <io.h>
#include <stdlib.h>
#define YY_USE_CONST
#define YY_USE_PROTOS
#endif

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


#ifdef YY_USE_PROTOS
#define YY_PROTO(proto) proto
#else
#define YY_PROTO(proto) ()
#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. */
#define YY_BUF_SIZE 16384

typedef struct yy_buffer_state *YY_BUFFER_STATE;

extern int yyleng;

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

/* The funky do-while in the following #define is used to turn the definition
 * int a single C statement (which needs a semi-colon terminator).  This
 * avoids problems with code like:
 *
 * 	if ( condition_holds )
 *		yyless( 5 );
 *	else
 *		do_something_else();
 *
 * Prior to using the do-while the compiler would get upset at the
 * "else" because it interpreted the "if" statement as being all
 * done when it reached the ';' after the yyless() call.
 */

/* Return all but the first 'n' matched characters back to the input stream. */

#define yyless(n) \
	do \
		{ \
		/* Undo effects of setting up yytext. */ \
		*yy_cp = yy_hold_char; \
		YY_RESTORE_YY_MORE_OFFSET \
		yy_c_buf_p = yy_cp = yy_bp + n - 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).
 */
typedef unsigned int yy_size_t;


struct yy_buffer_state
	{
	istream* 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;

	/* 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
	};


/* 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".
 */
#define YY_CURRENT_BUFFER yy_current_buffer



static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
static void yy_flex_free YY_PROTO(( void * ));

#define yy_new_buffer yy_create_buffer

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

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

#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)


#define YY_USES_REJECT

#define yywrap() 1
#define YY_SKIP_YYWRAP
typedef unsigned char YY_CHAR;
#define yytext_ptr yytext
#define YY_INTERACTIVE

#include <FlexLexer.h>


/* 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 = (int) (yy_cp - yy_bp); \
	yy_hold_char = *yy_cp; \
	*yy_cp = '\0'; \
	yy_c_buf_p = yy_cp;

#define YY_NUM_RULES 29
#define YY_END_OF_BUFFER 30
static yyconst short int yy_acclist[100] =
    {   0,
       26,   26,    9,    9,   30,   28,   29,   26,   28,   29,
       27,   29,   28,   29,   28,   29,   14,   28,   29,   23,
       28,   29,   25,   28,   29,   24,   28,   29,   13,   28,
       29,   13,   28,   29,   13,   28,   29,   13,   28,   29,
       13,   28,   29,   21,   28,   29,   22,   28,   29,   29,
        9,   29,   10,   29,    6,   29,    7,   29,    8,   29,
        5,   29,    4,   29,   17,   29,   16,   29,   20,   29,
       20,   29,   26,   27,    1,   18,   15,   14,   13,   13,
       13,    3,   13,   13,    9,   10,    8,    4,   19,   13,
       13,   11,   13,   13,   13,   12,   13,    2,   13

    } ;

static yyconst short int yy_accept[65] =
    {   0,
        1,    2,    3,    4,    5,    5,    5,    5,    5,    6,
        8,   11,   13,   15,   17,   20,   23,   26,   29,   32,
       35,   38,   41,   44,   47,   50,   51,   53,   55,   57,
       59,   61,   63,   65,   67,   69,   71,   73,   74,   75,
       75,   76,   76,   77,   78,   79,   80,   81,   82,   84,
       85,   86,   87,   88,   89,   90,   91,   92,   94,   95,
       96,   98,  100,  100
    } ;

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

       19,   20,   21,   15,   22,   15,   15,   23,   15,   15,
       24,   25,   15,   26,   15,   15,   27,   28,   15,   15,
       15,   15,   29,    1,   30,    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 int yy_meta[31] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    2,
        2,    1,    1,    1,    2,    1,    2,    2,    2,    2,
        2,    2,    2,    2,    2,    2,    2,    2,    1,    1
    } ;

static yyconst short int yy_base[69] =
    {   0,
        0,    0,   30,    0,  107,  106,   58,   59,  108,  111,
      105,  103,   59,   60,   60,  111,  111,  111,    0,   83,
       78,   78,   85,  111,  111,  111,   99,   97,  111,  111,
       64,  111,    0,  111,  111,  111,   90,   96,   94,   60,
      111,   93,  111,  111,   67,    0,   76,   70,    0,   67,
       90,   88,   71,    0,  111,   67,   62,    0,   70,   55,
        0,    0,  111,   81,   83,   85,   71,   66
    } ;

static yyconst short int yy_def[69] =
    {   0,
       63,    1,   63,    3,   64,   64,   65,   65,   63,   63,
       63,   63,   66,   63,   63,   63,   63,   63,   67,   67,
       67,   67,   67,   63,   63,   63,   63,   63,   63,   63,
       63,   63,   68,   63,   63,   63,   63,   63,   63,   66,
       63,   66,   63,   63,   63,   67,   67,   67,   67,   67,
       63,   63,   63,   68,   63,   67,   67,   67,   67,   67,
       67,   67,    0,   63,   63,   63,   63,   63
    } ;

static yyconst short int yy_nxt[142] =
    {   0,
       10,   11,   12,   13,   10,   10,   10,   10,   14,   15,
       15,   16,   17,   18,   19,   10,   19,   19,   19,   20,
       21,   19,   19,   22,   19,   19,   19,   23,   24,   25,
       26,   27,   28,   26,   29,   30,   26,   31,   26,   31,
       26,   32,   26,   26,   33,   26,   33,   33,   33,   33,
       33,   33,   33,   33,   33,   33,   33,   33,   26,   26,
       26,   26,   41,   41,   37,   37,   43,   54,   44,   45,
       45,   53,   46,   53,   42,   42,   45,   45,   53,   62,
       53,   34,   34,   36,   36,   40,   40,   61,   60,   59,
       52,   51,   58,   57,   56,   63,   39,   38,   55,   52,

       51,   50,   49,   48,   47,   39,   38,   63,   35,   35,
        9,   63,   63,   63,   63,   63,   63,   63,   63,   63,
       63,   63,   63,   63,   63,   63,   63,   63,   63,   63,
       63,   63,   63,   63,   63,   63,   63,   63,   63,   63,
       63
    } ;

static yyconst short int yy_chk[142] =
    {   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,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,
        3,    3,    3,    3,    3,    3,    3,    3,    3,    3,
        7,    8,   13,   40,    7,    8,   14,   68,   14,   15,
       15,   31,   67,   31,   13,   40,   45,   45,   53,   60,
       53,   64,   64,   65,   65,   66,   66,   59,   57,   56,
       52,   51,   50,   48,   47,   42,   39,   38,   37,   28,

       27,   23,   22,   21,   20,   12,   11,    9,    6,    5,
       63,   63,   63,   63,   63,   63,   63,   63,   63,   63,
       63,   63,   63,   63,   63,   63,   63,   63,   63,   63,
       63,   63,   63,   63,   63,   63,   63,   63,   63,   63,
       63
    } ;

#define REJECT \
{ \
*yy_cp = yy_hold_char; /* undo effects of setting up yytext */ \
yy_cp = yy_full_match; /* restore poss. backed-over text */ \
++yy_lp; \
goto find_rule; \
}
#define yymore() yymore_used_but_not_detected
#define YY_MORE_ADJ 0
#define YY_RESTORE_YY_MORE_OFFSET
#line 1 "scan_isa.l"
#define INITIAL 0
#line 2 "scan_isa.l"


#include <fstream>
#include "issgen.hpp"

using namespace issgen;

using std::ifstream;
using std::string;

#define YYLTYPE issgen::yyltype_t
#include "parse_isa.hpp"

#define YY_NO_UNPUT

isa_prog *isa_parser_result;

extern int isa_parse();

const char *isa_filename;
isa_FlexLexer *isa_lexer;

static void isa_lexerror(char c) 
{
	fprintf(stderr, "Unknown character %c at line %d\n",
		c, isa_lexer->lineno());
}


#define opdec 1

#define comment 2

#define mcomment 3

#line 434 "scan_isa.cpp"

/* Macros after this point can all be overridden by user definitions in
 * section 1.
 */

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


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

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

#ifndef YY_NO_INPUT
#endif

#if YY_STACK_USED
static int yy_start_stack_ptr = 0;
static int yy_start_stack_depth = 0;
static int *yy_start_stack = 0;
#ifndef YY_NO_PUSH_STATE
static void yy_push_state YY_PROTO(( int new_state ));
#endif
#ifndef YY_NO_POP_STATE
static void yy_pop_state YY_PROTO(( void ));
#endif
#ifndef YY_NO_TOP_STATE
static int yy_top_state YY_PROTO(( void ));
#endif

#else
#define YY_NO_PUSH_STATE 1
#define YY_NO_POP_STATE 1
#define YY_NO_TOP_STATE 1
#endif

#ifdef YY_MALLOC_DECL
YY_MALLOC_DECL
#else
#if __STDC__
#ifndef __cplusplus
#include <stdlib.h>
#endif
#else
/* Just try to get by without declaring the routines.  This will fail
 * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
 * or sizeof(void*) != sizeof(int).
 */
#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
#define ECHO LexerOutput( yytext, yyleng )
#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 ( (result = LexerInput( (char *) buf, max_size )) < 0 ) \
		YY_FATAL_ERROR( "input in flex scanner failed" );
#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) LexerError( msg )
#endif

/* Default declaration of generated scanner - a define so the user can
 * easily add parameters.
 */
#ifndef YY_DECL
#define YY_DECL int yyFlexLexer::yylex()
#endif

/* 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;