lexer.c

来自「AVR的USB文件」· C语言 代码 · 共 2,235 行 · 第 1/4 页

      104,  103,  102,  101,  100,   99,   97,   87,   86,   85,
       84,   83,   82,   81,   80,   79,   77,   76,   75,   74,

       73,   71,   69,   67,   66,   65,   62,   61,   60,   58,
       56,   55,   54,   46,   38,   37,   35,   29,   27,   25,
       18,   11,    9,    8,    7,  354,  354,  354,  354,  354,
      354,  354,  354,  354,  354,  354,  354,  354,  354,  354,
      354,  354,  354,  354,  354,  354,  354,  354,  354,  354,
      354,  354,  354,  354,  354,  354,  354,  354,  354,  354,
      354,  354,  354,  354,  354,  354,  354,  354,  354,  354,
      354
    } ;

static yy_state_type yy_last_accepting_state;
static char *yy_last_accepting_cpos;

/* 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 "../lexer.l"
#define INITIAL 0
/*
 * avrdude - A Downloader/Uploader for AVR device programmers
 * Copyright (C) 2000, 2001, 2002, 2003  Brian S. Dean <[e-mail]>
 *
 * 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
 */
/* $Id: lexer.l,v 1.25 2003/02/27 16:42:56 joerg_wunsch Exp $ */
#line 23 "../lexer.l"
/* need this for the call to atof() below */
#include <math.h>
#include <string.h>
#include <errno.h>
#include <limits.h>
#include <sys/types.h>
#include <sys/stat.h>

#include "config.h"
#include "config_gram.h"
#include "lists.h"

extern int    lineno;
extern char * infile;

void pyytext(void);

#define YY_NO_UNPUT

#define str 1

#define incl 2

#define comment 3

#line 632 "lexer.c"

/* 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 YY_NO_UNPUT
static void yyunput YY_PROTO(( int c, char *buf_ptr ));
#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
#ifdef __cplusplus
static int yyinput YY_PROTO(( void ));
#else
static int input YY_PROTO(( void ));
#endif
#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
/* This used to be an fputs(), but since the string might contain NUL's,
 * we now use fwrite().
 */
#define ECHO (void) 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->yy_is_interactive ) \
		{ \
		int c = '*', 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

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

#define YY_RULE_SETUP \
	YY_USER_ACTION

YY_DECL
	{
	register yy_state_type yy_current_state;
	register char *yy_cp, *yy_bp;
	register int yy_act;

#line 53 "../lexer.l"


#line 797 "lexer.c"

	if ( yy_init )
		{
		yy_init = 0;

#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 )
			yy_current_buffer =
				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 >= 355 )
					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] != 426 );

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;


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:
YY_RULE_SETUP
#line 55 "../lexer.l"
{ yylval = number(yytext); return TKN_NUMBER; }
	YY_BREAK
case 2:
YY_RULE_SETUP
#line 56 "../lexer.l"
{ yylval = number(yytext); return TKN_NUMBER; }
	YY_BREAK
case 3:
YY_RULE_SETUP
#line 57 "../lexer.l"
{ yylval = number(yytext); return TKN_NUMBER; }
	YY_BREAK
case 4:
YY_RULE_SETUP
#line 59 "../lexer.l"
{ string_buf_ptr = string_buf; BEGIN(str); }
	YY_BREAK
case 5:
YY_RULE_SETUP
#line 61 "../lexer.l"
{ yylval = hexnumber(yytext); return TKN_NUMBER; }
	YY_BREAK
case 6:
YY_RULE_SETUP
#line 65 "../lexer.l"
{ /* The following eats '#' style comments to end of line */
       BEGIN(comment); }
	YY_BREAK
case 7:
YY_RULE_SETUP
#line 67 "../lexer.l"
/* eat comments */ 
	YY_BREAK
case 8:
YY_RULE_SETUP
#line 68 "../lexer.l"
{ lineno++; BEGIN(INITIAL); }
	YY_BREAK
case 9:
YY_RULE_SETUP
#line 71 "../lexer.l"
{  /* The following eats multiline C style comments */
        int c;
        int comment_start;
        
        comment_start = lineno;
        while (1) {
          while (((c = input()) != '*') && (c != EOF)) {
            /* eat up text of comment, but keep counting lines */
            if (c == '\n')
              lineno++;
          }
          
          if (c == '*') {
            while ((c = input()) == '*')
              ;
            if (c == '/')
              break;    /* found the end */
          }
          
          if (c == EOF) {
            fprintf(stderr, "error at %s:%d: EOF in comment\n", 
                    infile, lineno);
            fprintf(stderr, "    comment started on line %d\n", 
                    comment_start);
            exit(1);
            break;
          }
        }
     }
	YY_BREAK

case 10:
YY_RULE_SETUP
#line 103 "../lexer.l"
{ *string_buf_ptr = 0; string_buf_ptr = string_buf; 
         yylval = string(string_buf_ptr); BEGIN(INITIAL); return TKN_STRING; }
	YY_BREAK
case 11:
YY_RULE_SETUP
#line 105 "../lexer.l"
*string_buf_ptr++ = '\n';
	YY_BREAK
case 12:
YY_RULE_SETUP
#line 106 "../lexer.l"
*string_buf_ptr++ = '\t';
	YY_BREAK
case 13:
YY_RULE_SETUP
#line 107 "../lexer.l"
*string_buf_ptr++ = '\r';
	YY_BREAK
case 14:
YY_RULE_SETUP
#line 108 "../lexer.l"
*string_buf_ptr++ = '\b';
	YY_BREAK
case 15:
YY_RULE_SETUP
#line 109 "../lexer.l"
*string_buf_ptr++ = '\f';
	YY_BREAK
case 16:
YY_RULE_SETUP
#line 110 "../lexer.l"
*(string_buf_ptr++) = yytext[1];
	YY_BREAK
case 17:
YY_RULE_SETUP
#line 111 "../lexer.l"
{ char *yptr = yytext; while (*yptr) 
                                         *(string_buf_ptr++) = *(yptr++); }
	YY_BREAK
case 18:
YY_RULE_SETUP
#line 113 "../lexer.l"
{ fprintf(stderr, "error at line %d: unterminated character constant\n",
         lineno); 
         exit(1); }
	YY_BREAK

case 19:
YY_RULE_SETUP
#line 118 "../lexer.l"
{ yylval=NULL; return K_PAGE_SIZE; }
	YY_BREAK
case 20:
YY_RULE_SETUP
#line 119 "../lexer.l"
{ yylval=NULL; return K_PAGED; }
	YY_BREAK
case 21:
YY_RULE_SETUP
#line 120 "../lexer.l"
{ yylval=NULL; return K_BS2; }
	YY_BREAK
case 22:
YY_RULE_SETUP
#line 121 "../lexer.l"
{ yylval=NULL; return K_BUFF; }
	YY_BREAK
case 23:
YY_RULE_SETUP
#line 122 "../lexer.l"
{ yylval=NULL; return K_CHIP_ERASE_DELAY; }
	YY_BREAK
case 24:
YY_RULE_SETUP
#line 123 "../lexer.l"
{ yylval=NULL; return K_DESC; }
	YY_BREAK
case 25:
YY_RULE_SETUP
#line 124 "../lexer.l"
{ yylval=NULL; return K_DEFAULT_PARALLEL; }
	YY_BREAK
case 26:
YY_RULE_SETUP
#line 125 "../lexer.l"
{ yylval=NULL; return K_DEFAULT_PROGRAMMER; }
	YY_BREAK
case 27:
YY_RULE_SETUP
#line 126 "../lexer.l"
{ yylval=NULL; return K_DEFAULT_SERIAL; }
	YY_BREAK
case 28:
YY_RULE_SETUP
#line 127 "../lexer.l"
{ yylval=NULL; return K_DEVICECODE; }
	YY_BREAK
case 29:
YY_RULE_SETUP
#line 128 "../lexer.l"
{ yylval=NULL; return K_EEPROM; }
	YY_BREAK
case 30:
YY_RULE_SETUP
#line 129 "../lexer.l"
{ yylval=NULL; return K_ERRLED; }
	YY_BREAK
case 31:
YY_RULE_SETUP
#line 130 "../lexer.l"
{ yylval=NULL; return K_FLASH; }
	YY_BREAK
case 32:
YY_RULE_SETUP
#line 131 "../lexer.l"
{ yylval=NULL; return K_ID; }
	YY_BREAK
case 33:
YY_RULE_SETUP
#line 132 "../lexer.l"
{ yylval=NULL; return K_MAX_WRITE_DELAY; }
	YY_BREAK
case 34:
YY_RULE_SETUP
#line 133 "../lexer.l"
{ yylval=NULL; return K_MEMORY; }
	YY_BREAK
case 35:
YY_RULE_SETUP
#line 134 "../lexer.l"
{ yylval=NULL; return K_MIN_WRITE_DELAY; }
	YY_BREAK
case 36:
YY_RULE_SETUP
#line 135 "../lexer.l"
{ yylval=NULL; return K_MISO; }
	YY_BREAK
case 37:
YY_RULE_SETUP
#line 136 "../lexer.l"
{ yylval=NULL; return K_MOSI; }
	YY_BREAK
case 38:
YY_RULE_SETUP
#line 137 "../lexer.l"
{ yylval=NULL; return K_NUM_PAGES; }
	YY_BREAK
case 39:
YY_RULE_SETUP
#line 138 "../lexer.l"
{ yylval=NULL; return K_NUM_PAGES; }
	YY_BREAK
case 40:
YY_RULE_SETUP
#line 139 "../lexer.l"
{ yylval=NULL; return K_PAGE_SIZE; }
	YY_BREAK
case 41:
YY_RULE_SETUP
#line 140 "../lexer.l"
{ yylval=NULL; return K_PAGED; }
	YY_BREAK