コード例 #1
0
ファイル: leg.c プロジェクト: AntiTyping/tinyrb
YY_LOCAL(int) yyrefill(void)
{
  int yyn;
  while (yybuflen - yypos < 512)
    {
      yybuflen *= 2;
      yybuf= realloc(yybuf, yybuflen);
    }
  YY_INPUT((yybuf + yypos), yyn, (yybuflen - yypos));
  if (!yyn) return 0;
  yylimit += yyn;
  return 1;
}
コード例 #2
0
ファイル: greg.c プロジェクト: 0x3FFFFFFF/macdown
YY_LOCAL(int) yyrefill(GREG *G)
{
  int yyn;
  YY_XTYPE YY_XVAR = (YY_XTYPE) G->data;
  while (G->buflen - G->pos < 512)
    {
      G->buflen *= 2;
      G->buf= YY_REALLOC(G->buf, G->buflen, G->data);
    }
  YY_INPUT((G->buf + G->pos), yyn, (G->buflen - G->pos));
  if (!yyn) return 0;
  G->limit += yyn;
  return 1;
}
コード例 #3
0
static int input(void)
{
  int c;

  YY_DO_BEFORE_SCAN
  if (yy_c_buf_p == yy_e_buf_p) {
    int yy_n_chars;

    if (yy_saw_eof) {
      if (yywrap())
	 return (EOF);

      YY_INIT;
    }

    yy_b_buf_p = 0;
    YY_INPUT(yy_ch_buf, yy_n_chars, YY_MAX_LINE);

    if (yy_n_chars == YY_NULL) {
      yy_saw_eof = 1;

      if (yywrap())
	return (EOF);

      YY_INIT;
      return (input());
    }

    yy_c_buf_p = -1;
    yy_e_buf_p = yy_n_chars - 1;
  }

  c = yy_ch_buf[++yy_c_buf_p];

  YY_DO_BEFORE_ACTION;

  return (c);
}
コード例 #4
0
ファイル: lex.yy.c プロジェクト: manuelkucharuk/sintaxis
static int yy_get_next_buffer()
	{
	register char *dest = yy_current_buffer->yy_ch_buf;
	register char *source = yytext_ptr;
	register int number_to_move, i;
	int ret_val;

	if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
		YY_FATAL_ERROR(
		"fatal flex scanner internal error--end of buffer missed" );

	if ( yy_current_buffer->yy_fill_buffer == 0 )
		{ /* Don't try to fill the buffer, so this is an EOF. */
		if ( yy_c_buf_p - 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) (yy_c_buf_p - yytext_ptr) - 1;

	for ( i = 0; i < number_to_move; ++i )
		*(dest++) = *(source++);

	if ( yy_current_buffer->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->yy_n_chars = yy_n_chars = 0;

	else
		{
		int num_to_read =
			yy_current_buffer->yy_buf_size - number_to_move - 1;

		while ( num_to_read <= 0 )
			{ /* Not enough room in the buffer - grow it. */
#ifdef YY_USES_REJECT
			YY_FATAL_ERROR(
"input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
#else

			/* just a shorter name for the current buffer */
			YY_BUFFER_STATE b = yy_current_buffer;

			int yy_c_buf_p_offset =
				(int) (yy_c_buf_p - b->yy_ch_buf);

			if ( b->yy_is_our_buffer )
				{
				int 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. */
					yy_flex_realloc( (void *) b->yy_ch_buf,
							 b->yy_buf_size + 2 );
				}
			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" );

			yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];

			num_to_read = yy_current_buffer->yy_buf_size -
						number_to_move - 1;
#endif
			}

		if ( num_to_read > YY_READ_BUF_SIZE )
			num_to_read = YY_READ_BUF_SIZE;

		/* Read in more data. */
		YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
			yy_n_chars, num_to_read );

		yy_current_buffer->yy_n_chars = yy_n_chars;
		}

	if ( yy_n_chars == 0 )
		{
		if ( number_to_move == YY_MORE_ADJ )
			{
			ret_val = EOB_ACT_END_OF_FILE;
			yyrestart( yyin );
			}

		else
			{
			ret_val = EOB_ACT_LAST_MATCH;
			yy_current_buffer->yy_buffer_status =
				YY_BUFFER_EOF_PENDING;
			}
		}

	else
		ret_val = EOB_ACT_CONTINUE_SCAN;

	yy_n_chars += number_to_move;
	yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
	yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;

	yytext_ptr = &yy_current_buffer->yy_ch_buf[0];

	return ret_val;
	}
コード例 #5
0
static int yy_get_next_buffer()

    {
    register YY_CHAR *dest = yy_current_buffer->yy_ch_buf;
    register YY_CHAR *source = yytext - 1; /* copy prev. char, too */
    register int number_to_move, i;
    int ret_val;

    if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
	YY_FATAL_ERROR(
		"fatal flex scanner internal error--end of buffer missed" );

    /* try to read more data */

    /* first move last chars to start of buffer */
    number_to_move = yy_c_buf_p - yytext;

    for ( i = 0; i < number_to_move; ++i )
	*(dest++) = *(source++);

    if ( yy_current_buffer->yy_eof_status != EOF_NOT_SEEN )
	/* don't do the read, it's not guaranteed to return an EOF,
	 * just force an EOF
	 */
	yy_n_chars = 0;

    else
	{
	int num_to_read = yy_current_buffer->yy_buf_size - number_to_move - 1;

	if ( num_to_read > YY_READ_BUF_SIZE )
	    num_to_read = YY_READ_BUF_SIZE;

	else if ( num_to_read <= 0 )
	    YY_FATAL_ERROR( "fatal error - scanner input buffer overflow" );

	/* read in more data */
	YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
		  yy_n_chars, num_to_read );
	}

    if ( yy_n_chars == 0 )
	{
	if ( number_to_move - YY_MORE_ADJ == 1 )
	    {
	    ret_val = EOB_ACT_END_OF_FILE;
	    yy_current_buffer->yy_eof_status = EOF_DONE;
	    }

	else
	    {
	    ret_val = EOB_ACT_LAST_MATCH;
	    yy_current_buffer->yy_eof_status = EOF_PENDING;
	    }
	}

    else
	ret_val = EOB_ACT_CONTINUE_SCAN;

    yy_n_chars += number_to_move;
    yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
    yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;

    /* yytext begins at the second character in yy_ch_buf; the first
     * character is the one which preceded it before reading in the latest
     * buffer; it needs to be kept around in case it's a newline, so
     * yy_get_previous_state() will have with '^' rules active
     */

    yytext = &yy_current_buffer->yy_ch_buf[1];

    return ( ret_val );
    }
コード例 #6
0
/* %if-c-only */
static int yy_get_next_buffer (void)
/* %endif */
/* %if-c++-only */
/* %endif */
{
    	register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
	register char *source = (yytext_ptr);
	register int number_to_move, i;
	int ret_val;

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

	else
		{
			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) ((yy_c_buf_p) - b->yy_ch_buf);

			if ( b->yy_is_our_buffer )
				{
				int 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. */
					skel_realloc((void *) b->yy_ch_buf,b->yy_buf_size + 2  );
				}
			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" );

			(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]),
			(yy_n_chars), num_to_read );

		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
		}

	if ( (yy_n_chars) == 0 )
		{
		if ( number_to_move == YY_MORE_ADJ )
			{
			ret_val = EOB_ACT_END_OF_FILE;
			skel_restart(skel_in  );
			}

		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;

	(yy_n_chars) += number_to_move;
	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;

	(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];

	return ret_val;
}
コード例 #7
0
ファイル: lex.c プロジェクト: BackupTheBerlios/simili-svn
/* 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 (void)
{
    	register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
	register char *source = (yytext_ptr);
	register int number_to_move, i;
	int ret_val;

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

	else
		{
			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. */

			YY_FATAL_ERROR(
"input buffer overflow, can't enlarge buffer because scanner uses REJECT" );

			}

		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]),
			(yy_n_chars), num_to_read );

		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
		}

	if ( (yy_n_chars) == 0 )
		{
		if ( number_to_move == YY_MORE_ADJ )
			{
			ret_val = EOB_ACT_END_OF_FILE;
			yyrestart(yyin  );
			}

		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;

	(yy_n_chars) += number_to_move;
	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;

	(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];

	return ret_val;
}
コード例 #8
0
ファイル: scanner.c プロジェクト: localvar/backup
static int yy_get_next_buffer()

    {
	register unsigned char  *dest = yy_ch_buf;
	register unsigned char  *source = yytext - 1; /* copy prev. char, too */
    register int number_to_move, i;
    int ret_val;

    if ( yy_c_buf_p != &yy_ch_buf[yy_n_chars + 1] )
	{
	YY_FATAL_ERROR( "NULL in input" );
	/*NOTREACHED*/
	}

    /* try to read more data */

    /* first move last chars to start of buffer */
    number_to_move = yy_c_buf_p - yytext;

    for ( i = 0; i < number_to_move; ++i )
	*(dest++) = *(source++);

    if ( yy_eof_has_been_seen )
	/* don't do the read, it's not guaranteed to return an EOF,
	 * just force an EOF
	 */
	yy_n_chars = 0;

    else
	{
	int num_to_read = 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_ch_buf[number_to_move]), yy_n_chars, num_to_read );
	}

    if ( yy_n_chars == 0 )
	{
	if ( number_to_move == 1 )
	    ret_val = EOB_ACT_END_OF_FILE;
	else
	    ret_val = EOB_ACT_LAST_MATCH;

	yy_eof_has_been_seen = 1;
	}

    else
	ret_val = EOB_ACT_RESTART_SCAN;

    yy_n_chars += number_to_move;
    yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
    yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;

    /* yytext begins at the second character in
     * yy_ch_buf; the first character is the one which
     * preceded it before reading in the latest buffer;
     * it needs to be kept around in case it's a
     * newline, so yy_get_previous_state() will have
     * with '^' rules active
     */

    yytext = &yy_ch_buf[1];

    return ( ret_val );
    }