l_attr.cpp

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#line 37 "attr.l"

#undef YYLMAX
#define YYLMAX 2048
#define YY_NEVER_INTERACTIVE 1
#undef YY_INPUT
#define YY_INPUT(b, r, m) abort()
#define exit(i) abort()
#define fread(a, b, c, d) abort()
#include "slp_client.h"
#include "y_attr.h"

static int16 heapIndex;
static char heap[2052];
static char buf[2052];
static char *_lslp_strdup(const char *s);
void attrerror(const char *, ...);
int32 attrwrap(void);
int32 attrlex(void);
void attr_close_lexer(uint32 handle);
size_t attr_init_lexer(const char *s);

/* {}	*/
/* 
this lexer cycles through three states. in the initial state, 
it is looking strictly for attribute tags. If, in the initial 
state it finds a '(' it anticipates an attribute-value pair 
and changes to ATTRIBUTE state .
in the ATTRIBUTE state is is looking for either a closing ')'
or a '='. If it sees a closing ')' it changes to the initial state. 
if it sees an '=' it changes to the VALUE state and looks for 
the attribute value. After seeing the attribute value, it looks
for a either a ')' or a ','. If it sees a ')' it closes the attribute
and returns to the initial state. 
if, during the VALUE state the lexer sees a ',' it decides it is 
looking at a multi-valued attribute and returns a special _MULTIVAL
token to the parser. The parser uses this to construct additional
attribute-value pairs for each value in the multi-val statement. 
*/ 
#define ATTR 1

#define VALUE 2

#line 517 "l_attr.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 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 92 "attr.l"


#line 671 "l_attr.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 >= 56 )
					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] != 174 );

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 94 "attr.l"
{ ; }
	YY_BREAK
case 2:
YY_RULE_SETUP
#line 96 "attr.l"
{ attrlval._i = *attrtext; return(attrlval._i); }
	YY_BREAK
case 3:
YY_RULE_SETUP
#line 97 "attr.l"
{ BEGIN ATTR; attrlval._i = *attrtext; return(attrlval._i); }
	YY_BREAK
case 4:
YY_RULE_SETUP
#line 98 "attr.l"
{   
 			   if (attrleng > 0) {
			      if(NULL != (attrlval._s = _lslp_strdup(attrtext)))
                                 return(_TAG);
                              else
                                 return(0L);
                           }
                        }
	YY_BREAK
/* anything else in the initial state is an error */
case 5:
YY_RULE_SETUP
#line 108 "attr.l"
{attrerror("error in lexer - initial state\n");}
	YY_BREAK
case 6:
YY_RULE_SETUP
#line 110 "attr.l"
{ ; }
	YY_BREAK
case 7:
YY_RULE_SETUP
#line 111 "attr.l"
{BEGIN VALUE; attrlval._i = *attrtext; return(attrlval._i);}
	YY_BREAK
case 8:
YY_RULE_SETUP
#line 112 "attr.l"
{   
                          if (attrleng > 0 ) {
                             if(NULL != (attrlval._s = _lslp_strdup(attrtext)))
                                return(_TAG);
                             else
                                return(0L);
                           }
                        }
	YY_BREAK
/* make it legal to have just an attr tag enclosed in parens */
case 9:
YY_RULE_SETUP
#line 122 "attr.l"
{BEGIN INITIAL; attrlval._i = *attrtext; return(attrlval._i); }
	YY_BREAK
/* anything else in the attribute state is an error */
case 10:
YY_RULE_SETUP
#line 125 "attr.l"
{attrerror("error in lexer - attribute state\n");}
	YY_BREAK
case 11:
YY_RULE_SETUP
#line 127 "attr.l"
{ ; }
	YY_BREAK
case 12:
YY_RULE_SETUP
#line 128 "attr.l"
{attrlval._i = *attrtext; return(_MULTIVAL);}
	YY_BREAK
case 13:
#line 131 "attr.l"
case 14:
YY_RULE_SETUP
#line 131 "attr.l"
{ attrlval._i = strtol(attrtext, (char **) 0, 0); return _INT ;};
	YY_BREAK
case 15:
#line 134 "attr.l"
case 16:
YY_RULE_SETUP
#line 134 "attr.l"
{ attrlval._i = strtoul(attrtext, (char **)0, 0); return _INT; };
	YY_BREAK
case 17:
YY_RULE_SETUP
#line 137 "attr.l"
{return(_TRUE);}
	YY_BREAK
case 18:
YY_RULE_SETUP
#line 138 "attr.l"
{return(_FALSE);}
	YY_BREAK
case 19:
YY_RULE_SETUP
#line 139 "attr.l"
{	
                           if (attrleng > 0) {
                              if(NULL != (attrlval._s = _lslp_strdup(attrtext)))
                                 return(_STRING);
                              else
                                 return(0L);
                           }
                        }		
	YY_BREAK
case 20:
YY_RULE_SETUP
#line 148 "attr.l"
{BEGIN INITIAL; attrlval._i = *attrtext; return(attrlval._i);}
	YY_BREAK
/* anything else in the value state is an error */
case 21:
YY_RULE_SETUP
#line 151 "attr.l"
{BEGIN INITIAL;}
	YY_BREAK
case 22:
YY_RULE_SETUP
#line 153 "attr.l"
ECHO;
	YY_BREAK
#line 883 "l_attr.c"
case YY_STATE_EOF(INITIAL):
case YY_STATE_EOF(ATTR):
case YY_STATE_EOF(VALUE):
	yyterminate();

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

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

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