lex.yy.c

使用flex和bison

#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 if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \
		  && ferror( yyin ) ) \
		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) 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 29 "test30.l"

#line 978 "lex.yy.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 >= 781 )
					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] != 792 );

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 30 "test30.l"
;
	YY_BREAK
case 2:
YY_RULE_SETUP
#line 31 "test30.l"
;
	YY_BREAK
case 3:
YY_RULE_SETUP
#line 32 "test30.l"
{
    if(nexttoken!=-1)
	{
		printtokenerror(nexttoken,"state");
	}
	if(string_k!=0)
	{
			printf("%s(%d): syntax error: miss '}' or {''  near identifer  'state' \n",filename,lineno);
			errcount ++;
	}
	
	return STATESTART;
}
	YY_BREAK
case 4:
YY_RULE_SETUP
#line 45 "test30.l"
{
	if(nexttoken!=-1)
	{
		printtokenerror(nexttoken,"init");
	}
	nexttoken = LEFTK;
	

	return INIT;
}
	YY_BREAK
case 5:
YY_RULE_SETUP
#line 55 "test30.l"
{
	if(hangupstate==1)
	{
		printf("%s(%d): syntax error: hangupproc only init body \n",filename,lineno);
			errcount ++;	
	}
	if(nexttoken!=-1)
	{
		printtokenerror(nexttoken,"proc");
	}
	nexttoken = LEFTK;
	
	return PROC;
}
	YY_BREAK
case 6:
YY_RULE_SETUP
#line 69 "test30.l"
{
		 if(nexttoken!=-1)
		 {	
			printtokenerror(nexttoken,"string");
 		}
		if(newstmt==0) 	
		{
			printf("%s(%d): syntax error: missing ';' before identifier 'string' \n",filename,lineno);
			errcount ++;
		}
		newstmt = 0;
		definestmtflag = 1;
		

		return STRING;
}
	YY_BREAK
case 7:
YY_RULE_SETUP
#line 85 "test30.l"
{
		if(nexttoken!=-1)
		 {
		 printtokenerror(nexttoken,"break");
 		}
		if(newstmt==0) 	
		{
			printf("%s(%d): syntax error: missing ';' before identifier 'break' \n",filename,lineno);
			errcount ++;
		}
		newstmt = 0;
			

		return BREAK;
}
	YY_BREAK
case 8:
YY_RULE_SETUP
#line 100 "test30.l"
{
		if(nexttoken!=-1)
		 {
		 printtokenerror(nexttoken,"switch");
 		}
			

	return SWITCH;
}
	YY_BREAK
case 9:
YY_RULE_SETUP
#line 109 "test30.l"
{
		if(nexttoken!=-1)
		 {
		 printtokenerror(nexttoken,"case");
 		}
		

	return CASE;
}
	YY_BREAK
case 10:
YY_RULE_SETUP
#line 118 "test30.l"
{
		if(nexttoken!=-1)
		{
			 printtokenerror(nexttoken,"int");
 		}
		if(newstmt==0) 	
		{
			printf("%s(%d): syntax error: missing ';' before identifier 'int' \n",filename,lineno);
			errcount ++;
		}
		newstmt = 0;
		definestmtflag = 1;
		

		return  INT;
}
	YY_BREAK
case 11:
YY_RULE_SETUP
#line 134 "test30.l"
{
		if(nexttoken!=-1)
		{
			 printtokenerror(nexttoken,"default");
 		}
			 

		return DEFAULT;
}
	YY_BREAK
case 12:
YY_RULE_SETUP
#line 143 "test30.l"
{
		if(nexttoken!=-1)
		{
			 printtokenerror(nexttoken,"if");
 		}
		  

	 return IF;
}
	YY_BREAK
case 13:
YY_RULE_SETUP
#line 152 "test30.l"
{
		 if(nexttoken!=-1)
		 {
				 printtokenerror(nexttoken,"sf");
 		}
			

	 return SF;
 }
	YY_BREAK
case 14:
YY_RULE_SETUP
#line 161 "test30.l"
{
		 if(nexttoken!=-1)
		 {
				 printtokenerror(nexttoken,"while");
 		}
			

	 return WHILE;
 }
	YY_BREAK
case 15:
YY_RULE_SETUP
#line 172 "test30.l"
{
		 if(nexttoken!=-1)
		 {
				 printtokenerror(nexttoken,"else");
 		}
		

	 return ELSE;
}
	YY_BREAK
case 16:
YY_RULE_SETUP
#line 181 "test30.l"
{
		if(nexttoken!=-1)
		 {
				 printtokenerror(nexttoken,"elsesf");
 		}
			 

	 return ELSESF;
}
	YY_BREAK
case 17:
YY_RULE_SETUP
#line 190 "test30.l"
{
		if(nexttoken!=-1)
		 {
				 printtokenerror(nexttoken,"elseif");
 		}
			

	return ELSEIF;
}
	YY_BREAK
case 18:
YY_RULE_SETUP
#line 199 "test30.l"
return VOID;
	YY_BREAK
case 19:
YY_RULE_SETUP
#line 200 "test30.l"
{
		if(hangupstate==1)
		{
			printf("%s(%d): syntax error: hangupproc should no goto stmt \n",filename,lineno);
				errcount ++;	
		}
		if(nexttoken!=-1)
		 {
			printtokenerror(nexttoken,"goto");
 		}
		if(newstmt==0) 	
		{
			printf("%s(%d): syntax error: missing ';' before identifier 'goto' \n",filename,lineno);
			errcount ++;
		}
		newstmt = 0;
			 

		return GOTO;
}
	YY_BREAK
case 20:
YY_RULE_SETUP
#line 220 "test30.l"
{
		if(hangupstate==1)
		{
			printf("%s(%d): syntax error: hangupproc should no goto stmt \n",filename,lineno);
				errcount ++;	
		}
		if(nexttoken!=-1)
		 {
			printtokenerror(nexttoken,"rgoto");
 		}
		if(newstmt==0) 	
		{
			printf("%s(%d): syntax error: missing ';' before identifier 'rgoto' \n",filename,lineno);
			errcount ++;
		}