ec84251864
Used extensively on my network over the past month. Reviewed by: pfg, brooks Suggested by: pfg Obtained from: ftp://ftp.am-utils.org/pub/am-utils/ MFC after: 6 weeks Relnotes: yes Differential Revision: D8405
1717 lines
43 KiB
C
1717 lines
43 KiB
C
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#line 3 "lex.null_.c"
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#define YY_INT_ALIGNED short int
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/* A lexical scanner generated by flex */
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#define yy_create_buffer null__create_buffer
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#define yy_delete_buffer null__delete_buffer
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#define yy_flex_debug null__flex_debug
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#define yy_init_buffer null__init_buffer
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#define yy_flush_buffer null__flush_buffer
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#define yy_load_buffer_state null__load_buffer_state
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#define yy_switch_to_buffer null__switch_to_buffer
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#define yyin null_in
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#define yyleng null_leng
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#define yylex null_lex
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#define yylineno null_lineno
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#define yyout null_out
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#define yyrestart null_restart
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#define yytext null_text
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#define yywrap null_wrap
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#define yyalloc null_alloc
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#define yyrealloc null_realloc
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#define yyfree null_free
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#define FLEX_SCANNER
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#define YY_FLEX_MAJOR_VERSION 2
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#define YY_FLEX_MINOR_VERSION 5
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#define YY_FLEX_SUBMINOR_VERSION 35
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#if YY_FLEX_SUBMINOR_VERSION > 0
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#define FLEX_BETA
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#endif
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/* First, we deal with platform-specific or compiler-specific issues. */
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/* begin standard C headers. */
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <stdlib.h>
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/* end standard C headers. */
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/* flex integer type definitions */
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#ifndef FLEXINT_H
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#define FLEXINT_H
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/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
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#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
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* if you want the limit (max/min) macros for int types.
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*/
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#ifndef __STDC_LIMIT_MACROS
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#define __STDC_LIMIT_MACROS 1
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#endif
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#include <inttypes.h>
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typedef int8_t flex_int8_t;
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typedef uint8_t flex_uint8_t;
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typedef int16_t flex_int16_t;
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typedef uint16_t flex_uint16_t;
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typedef int32_t flex_int32_t;
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typedef uint32_t flex_uint32_t;
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#else
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typedef signed char flex_int8_t;
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typedef short int flex_int16_t;
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typedef int flex_int32_t;
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typedef unsigned char flex_uint8_t;
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typedef unsigned short int flex_uint16_t;
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typedef unsigned int flex_uint32_t;
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/* Limits of integral types. */
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#ifndef INT8_MIN
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#define INT8_MIN (-128)
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#endif
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#ifndef INT16_MIN
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#define INT16_MIN (-32767-1)
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#endif
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#ifndef INT32_MIN
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#define INT32_MIN (-2147483647-1)
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#endif
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#ifndef INT8_MAX
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#define INT8_MAX (127)
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#endif
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#ifndef INT16_MAX
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#define INT16_MAX (32767)
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#endif
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#ifndef INT32_MAX
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#define INT32_MAX (2147483647)
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#endif
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#ifndef UINT8_MAX
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#define UINT8_MAX (255U)
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#endif
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#ifndef UINT16_MAX
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#define UINT16_MAX (65535U)
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#endif
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#ifndef UINT32_MAX
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#define UINT32_MAX (4294967295U)
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#endif
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#endif /* ! C99 */
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#endif /* ! FLEXINT_H */
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#ifdef __cplusplus
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/* The "const" storage-class-modifier is valid. */
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#define YY_USE_CONST
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#else /* ! __cplusplus */
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/* C99 requires __STDC__ to be defined as 1. */
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#if defined (__STDC__)
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#define YY_USE_CONST
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#endif /* defined (__STDC__) */
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#endif /* ! __cplusplus */
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#ifdef YY_USE_CONST
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#define yyconst const
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#else
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#define yyconst
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#endif
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/* Returned upon end-of-file. */
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#define YY_NULL 0
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/* Promotes a possibly negative, possibly signed char to an unsigned
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* integer for use as an array index. If the signed char is negative,
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* we want to instead treat it as an 8-bit unsigned char, hence the
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* double cast.
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*/
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#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
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/* Enter a start condition. This macro really ought to take a parameter,
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* but we do it the disgusting crufty way forced on us by the ()-less
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* definition of BEGIN.
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*/
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#define BEGIN (yy_start) = 1 + 2 *
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/* Translate the current start state into a value that can be later handed
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* to BEGIN to return to the state. The YYSTATE alias is for lex
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* compatibility.
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*/
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#define YY_START (((yy_start) - 1) / 2)
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#define YYSTATE YY_START
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/* Action number for EOF rule of a given start state. */
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#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
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/* Special action meaning "start processing a new file". */
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#define YY_NEW_FILE null_restart(null_in )
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#define YY_END_OF_BUFFER_CHAR 0
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/* Size of default input buffer. */
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#ifndef YY_BUF_SIZE
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#ifdef __ia64__
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/* On IA-64, the buffer size is 16k, not 8k.
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* Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
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* Ditto for the __ia64__ case accordingly.
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*/
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#define YY_BUF_SIZE 32768
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#else
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#define YY_BUF_SIZE 16384
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#endif /* __ia64__ */
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#endif
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/* The state buf must be large enough to hold one state per character in the main buffer.
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*/
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#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
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#ifndef YY_TYPEDEF_YY_BUFFER_STATE
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#define YY_TYPEDEF_YY_BUFFER_STATE
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typedef struct yy_buffer_state *YY_BUFFER_STATE;
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#endif
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extern int null_leng;
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extern FILE *null_in, *null_out;
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#define EOB_ACT_CONTINUE_SCAN 0
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#define EOB_ACT_END_OF_FILE 1
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#define EOB_ACT_LAST_MATCH 2
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#define YY_LESS_LINENO(n)
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/* Return all but the first "n" matched characters back to the input stream. */
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#define yyless(n) \
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do \
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{ \
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/* Undo effects of setting up null_text. */ \
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int yyless_macro_arg = (n); \
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YY_LESS_LINENO(yyless_macro_arg);\
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*yy_cp = (yy_hold_char); \
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YY_RESTORE_YY_MORE_OFFSET \
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(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
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YY_DO_BEFORE_ACTION; /* set up null_text again */ \
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} \
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while ( 0 )
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#define unput(c) yyunput( c, (yytext_ptr) )
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#ifndef YY_TYPEDEF_YY_SIZE_T
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#define YY_TYPEDEF_YY_SIZE_T
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typedef size_t yy_size_t;
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#endif
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#ifndef YY_STRUCT_YY_BUFFER_STATE
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#define YY_STRUCT_YY_BUFFER_STATE
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struct yy_buffer_state
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{
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FILE *yy_input_file;
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char *yy_ch_buf; /* input buffer */
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char *yy_buf_pos; /* current position in input buffer */
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/* Size of input buffer in bytes, not including room for EOB
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* characters.
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*/
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yy_size_t yy_buf_size;
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/* Number of characters read into yy_ch_buf, not including EOB
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* characters.
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*/
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int yy_n_chars;
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/* Whether we "own" the buffer - i.e., we know we created it,
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* and can realloc() it to grow it, and should free() it to
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* delete it.
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*/
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int yy_is_our_buffer;
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/* Whether this is an "interactive" input source; if so, and
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* if we're using stdio for input, then we want to use getc()
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* instead of fread(), to make sure we stop fetching input after
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* each newline.
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*/
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int yy_is_interactive;
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/* Whether we're considered to be at the beginning of a line.
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* If so, '^' rules will be active on the next match, otherwise
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* not.
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*/
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int yy_at_bol;
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int yy_bs_lineno; /**< The line count. */
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int yy_bs_column; /**< The column count. */
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/* Whether to try to fill the input buffer when we reach the
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* end of it.
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*/
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int yy_fill_buffer;
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int yy_buffer_status;
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#define YY_BUFFER_NEW 0
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#define YY_BUFFER_NORMAL 1
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/* When an EOF's been seen but there's still some text to process
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* then we mark the buffer as YY_EOF_PENDING, to indicate that we
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* shouldn't try reading from the input source any more. We might
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* still have a bunch of tokens to match, though, because of
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* possible backing-up.
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*
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* When we actually see the EOF, we change the status to "new"
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* (via null_restart()), so that the user can continue scanning by
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* just pointing null_in at a new input file.
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*/
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#define YY_BUFFER_EOF_PENDING 2
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};
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#endif /* !YY_STRUCT_YY_BUFFER_STATE */
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/* Stack of input buffers. */
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static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
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static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
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static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
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/* We provide macros for accessing buffer states in case in the
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* future we want to put the buffer states in a more general
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* "scanner state".
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*
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* Returns the top of the stack, or NULL.
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*/
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#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
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? (yy_buffer_stack)[(yy_buffer_stack_top)] \
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: NULL)
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/* Same as previous macro, but useful when we know that the buffer stack is not
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* NULL or when we need an lvalue. For internal use only.
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*/
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#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
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/* yy_hold_char holds the character lost when null_text is formed. */
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static char yy_hold_char;
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static int yy_n_chars; /* number of characters read into yy_ch_buf */
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int null_leng;
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/* Points to current character in buffer. */
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static char *yy_c_buf_p = (char *) 0;
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static int yy_init = 0; /* whether we need to initialize */
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static int yy_start = 0; /* start state number */
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/* Flag which is used to allow null_wrap()'s to do buffer switches
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* instead of setting up a fresh null_in. A bit of a hack ...
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*/
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static int yy_did_buffer_switch_on_eof;
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void null_restart (FILE *input_file );
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void null__switch_to_buffer (YY_BUFFER_STATE new_buffer );
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YY_BUFFER_STATE null__create_buffer (FILE *file,int size );
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void null__delete_buffer (YY_BUFFER_STATE b );
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void null__flush_buffer (YY_BUFFER_STATE b );
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void null_push_buffer_state (YY_BUFFER_STATE new_buffer );
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void null_pop_buffer_state (void );
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static void null_ensure_buffer_stack (void );
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static void null__load_buffer_state (void );
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static void null__init_buffer (YY_BUFFER_STATE b,FILE *file );
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#define YY_FLUSH_BUFFER null__flush_buffer(YY_CURRENT_BUFFER )
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YY_BUFFER_STATE null__scan_buffer (char *base,yy_size_t size );
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YY_BUFFER_STATE null__scan_string (yyconst char *yy_str );
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YY_BUFFER_STATE null__scan_bytes (yyconst char *bytes,int len );
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void *null_alloc (yy_size_t );
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void *null_realloc (void *,yy_size_t );
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void null_free (void * );
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#define yy_new_buffer null__create_buffer
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#define yy_set_interactive(is_interactive) \
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{ \
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if ( ! YY_CURRENT_BUFFER ){ \
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null_ensure_buffer_stack (); \
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YY_CURRENT_BUFFER_LVALUE = \
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null__create_buffer(null_in,YY_BUF_SIZE ); \
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} \
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YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
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}
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#define yy_set_bol(at_bol) \
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{ \
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if ( ! YY_CURRENT_BUFFER ){\
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null_ensure_buffer_stack (); \
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YY_CURRENT_BUFFER_LVALUE = \
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null__create_buffer(null_in,YY_BUF_SIZE ); \
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} \
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YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
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}
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#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
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typedef unsigned char YY_CHAR;
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FILE *null_in = (FILE *) 0, *null_out = (FILE *) 0;
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typedef int yy_state_type;
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extern int null_lineno;
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int null_lineno = 1;
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extern char *null_text;
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#define yytext_ptr null_text
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static yy_state_type yy_get_previous_state (void );
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static yy_state_type yy_try_NUL_trans (yy_state_type current_state );
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static int yy_get_next_buffer (void );
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static void yy_fatal_error (yyconst char msg[] );
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/* Done after the current pattern has been matched and before the
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* corresponding action - sets up null_text.
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*/
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#define YY_DO_BEFORE_ACTION \
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(yytext_ptr) = yy_bp; \
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null_leng = (size_t) (yy_cp - yy_bp); \
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(yy_hold_char) = *yy_cp; \
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*yy_cp = '\0'; \
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(yy_c_buf_p) = yy_cp;
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#define YY_NUM_RULES 1
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#define YY_END_OF_BUFFER 2
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/* This struct is not used in this scanner,
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but its presence is necessary. */
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struct yy_trans_info
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{
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flex_int32_t yy_verify;
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flex_int32_t yy_nxt;
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};
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static yyconst flex_int16_t yy_accept[6] =
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{ 0,
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0, 0, 2, 1, 0
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} ;
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static yyconst flex_int32_t yy_ec[256] =
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{ 0,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1
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} ;
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static yyconst flex_int32_t yy_meta[2] =
|
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{ 0,
|
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1
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} ;
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static yyconst flex_int16_t yy_base[7] =
|
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{ 0,
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0, 0, 2, 3, 3, 0
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} ;
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static yyconst flex_int16_t yy_def[7] =
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{ 0,
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6, 6, 5, 5, 0, 5
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} ;
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static yyconst flex_int16_t yy_nxt[5] =
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{ 0,
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4, 5, 3, 5
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} ;
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static yyconst flex_int16_t yy_chk[5] =
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{ 0,
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6, 3, 5, 5
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} ;
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static yy_state_type yy_last_accepting_state;
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static char *yy_last_accepting_cpos;
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extern int null__flex_debug;
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int null__flex_debug = 0;
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/* The intent behind this definition is that it'll catch
|
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* any uses of REJECT which flex missed.
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*/
|
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#define REJECT reject_used_but_not_detected
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#define yymore() yymore_used_but_not_detected
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#define YY_MORE_ADJ 0
|
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#define YY_RESTORE_YY_MORE_OFFSET
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char *null_text;
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#line 1 "../../fsinfo/null_lex.l"
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#line 2 "../../fsinfo/null_lex.l"
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#include "null_gram.h"
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void null_error(const char *fmt, ...) {}
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int null_wrap(void) { return 0; }
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#define YY_NO_INPUT 1
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#line 481 "lex.null_.c"
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#define INITIAL 0
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#ifndef YY_NO_UNISTD_H
|
|
/* Special case for "unistd.h", since it is non-ANSI. We include it way
|
|
* down here because we want the user's section 1 to have been scanned first.
|
|
* The user has a chance to override it with an option.
|
|
*/
|
|
#include <unistd.h>
|
|
#endif
|
|
|
|
#ifndef YY_EXTRA_TYPE
|
|
#define YY_EXTRA_TYPE void *
|
|
#endif
|
|
|
|
static int yy_init_globals (void );
|
|
|
|
/* Accessor methods to globals.
|
|
These are made visible to non-reentrant scanners for convenience. */
|
|
|
|
int null_lex_destroy (void );
|
|
|
|
int null_get_debug (void );
|
|
|
|
void null_set_debug (int debug_flag );
|
|
|
|
YY_EXTRA_TYPE null_get_extra (void );
|
|
|
|
void null_set_extra (YY_EXTRA_TYPE user_defined );
|
|
|
|
FILE *null_get_in (void );
|
|
|
|
void null_set_in (FILE * in_str );
|
|
|
|
FILE *null_get_out (void );
|
|
|
|
void null_set_out (FILE * out_str );
|
|
|
|
int null_get_leng (void );
|
|
|
|
char *null_get_text (void );
|
|
|
|
int null_get_lineno (void );
|
|
|
|
void null_set_lineno (int line_number );
|
|
|
|
/* Macros after this point can all be overridden by user definitions in
|
|
* section 1.
|
|
*/
|
|
|
|
#ifndef YY_SKIP_YYWRAP
|
|
#ifdef __cplusplus
|
|
extern "C" int null_wrap (void );
|
|
#else
|
|
extern int null_wrap (void );
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef yytext_ptr
|
|
static void yy_flex_strncpy (char *,yyconst char *,int );
|
|
#endif
|
|
|
|
#ifdef YY_NEED_STRLEN
|
|
static int yy_flex_strlen (yyconst char * );
|
|
#endif
|
|
|
|
#ifndef YY_NO_INPUT
|
|
|
|
#ifdef __cplusplus
|
|
static int yyinput (void );
|
|
#else
|
|
static int input (void );
|
|
#endif
|
|
|
|
#endif
|
|
|
|
/* Amount of stuff to slurp up with each read. */
|
|
#ifndef YY_READ_BUF_SIZE
|
|
#ifdef __ia64__
|
|
/* On IA-64, the buffer size is 16k, not 8k */
|
|
#define YY_READ_BUF_SIZE 16384
|
|
#else
|
|
#define YY_READ_BUF_SIZE 8192
|
|
#endif /* __ia64__ */
|
|
#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 do { if (fwrite( null_text, null_leng, 1, null_out )) {} } while (0)
|
|
#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_LVALUE->yy_is_interactive ) \
|
|
{ \
|
|
int c = '*'; \
|
|
size_t n; \
|
|
for ( n = 0; n < max_size && \
|
|
(c = getc( null_in )) != EOF && c != '\n'; ++n ) \
|
|
buf[n] = (char) c; \
|
|
if ( c == '\n' ) \
|
|
buf[n++] = (char) c; \
|
|
if ( c == EOF && ferror( null_in ) ) \
|
|
YY_FATAL_ERROR( "input in flex scanner failed" ); \
|
|
result = n; \
|
|
} \
|
|
else \
|
|
{ \
|
|
errno=0; \
|
|
while ( (result = fread(buf, 1, max_size, null_in))==0 && ferror(null_in)) \
|
|
{ \
|
|
if( errno != EINTR) \
|
|
{ \
|
|
YY_FATAL_ERROR( "input in flex scanner failed" ); \
|
|
break; \
|
|
} \
|
|
errno=0; \
|
|
clearerr(null_in); \
|
|
} \
|
|
}\
|
|
\
|
|
|
|
#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
|
|
|
|
/* end tables serialization structures and prototypes */
|
|
|
|
/* Default declaration of generated scanner - a define so the user can
|
|
* easily add parameters.
|
|
*/
|
|
#ifndef YY_DECL
|
|
#define YY_DECL_IS_OURS 1
|
|
|
|
extern int null_lex (void);
|
|
|
|
#define YY_DECL int null_lex (void)
|
|
#endif /* !YY_DECL */
|
|
|
|
/* Code executed at the beginning of each rule, after null_text and null_leng
|
|
* 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
|
|
|
|
/** The main scanner function which does all the work.
|
|
*/
|
|
YY_DECL
|
|
{
|
|
register yy_state_type yy_current_state;
|
|
register char *yy_cp, *yy_bp;
|
|
register int yy_act;
|
|
|
|
#line 9 "../../fsinfo/null_lex.l"
|
|
|
|
#line 668 "lex.null_.c"
|
|
|
|
if ( !(yy_init) )
|
|
{
|
|
(yy_init) = 1;
|
|
|
|
#ifdef YY_USER_INIT
|
|
YY_USER_INIT;
|
|
#endif
|
|
|
|
if ( ! (yy_start) )
|
|
(yy_start) = 1; /* first start state */
|
|
|
|
if ( ! null_in )
|
|
null_in = stdin;
|
|
|
|
if ( ! null_out )
|
|
null_out = stdout;
|
|
|
|
if ( ! YY_CURRENT_BUFFER ) {
|
|
null_ensure_buffer_stack ();
|
|
YY_CURRENT_BUFFER_LVALUE =
|
|
null__create_buffer(null_in,YY_BUF_SIZE );
|
|
}
|
|
|
|
null__load_buffer_state( );
|
|
}
|
|
|
|
while ( 1 ) /* loops until end-of-file is reached */
|
|
{
|
|
yy_cp = (yy_c_buf_p);
|
|
|
|
/* Support of null_text. */
|
|
*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 >= 6 )
|
|
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] != 3 );
|
|
|
|
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 10 "../../fsinfo/null_lex.l"
|
|
ECHO;
|
|
YY_BREAK
|
|
#line 756 "lex.null_.c"
|
|
case YY_STATE_EOF(INITIAL):
|
|
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_LVALUE->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 null_in at a new source and called
|
|
* null_lex(). 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_LVALUE->yy_n_chars;
|
|
YY_CURRENT_BUFFER_LVALUE->yy_input_file = null_in;
|
|
YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
|
|
}
|
|
|
|
/* Note that here we test for yy_c_buf_p "<=" to the position
|
|
* of the first EOB in the buffer, since yy_c_buf_p will
|
|
* already have been incremented past the NUL character
|
|
* (since all states make transitions on EOB to the
|
|
* end-of-buffer state). Contrast this with the test
|
|
* in input().
|
|
*/
|
|
if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
|
|
{ /* This was really a NUL. */
|
|
yy_state_type yy_next_state;
|
|
|
|
(yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
|
|
|
|
yy_current_state = yy_get_previous_state( );
|
|
|
|
/* Okay, we're now positioned to make the NUL
|
|
* transition. We couldn't have
|
|
* yy_get_previous_state() go ahead and do it
|
|
* for us because it doesn't know how to deal
|
|
* with the possibility of jamming (and we don't
|
|
* want to build jamming into it because then it
|
|
* will run more slowly).
|
|
*/
|
|
|
|
yy_next_state = yy_try_NUL_trans( yy_current_state );
|
|
|
|
yy_bp = (yytext_ptr) + YY_MORE_ADJ;
|
|
|
|
if ( yy_next_state )
|
|
{
|
|
/* Consume the NUL. */
|
|
yy_cp = ++(yy_c_buf_p);
|
|
yy_current_state = yy_next_state;
|
|
goto yy_match;
|
|
}
|
|
|
|
else
|
|
{
|
|
yy_cp = (yy_c_buf_p);
|
|
goto yy_find_action;
|
|
}
|
|
}
|
|
|
|
else switch ( yy_get_next_buffer( ) )
|
|
{
|
|
case EOB_ACT_END_OF_FILE:
|
|
{
|
|
(yy_did_buffer_switch_on_eof) = 0;
|
|
|
|
if ( null_wrap( ) )
|
|
{
|
|
/* Note: because we've taken care in
|
|
* yy_get_next_buffer() to have set up
|
|
* null_text, we can now set up
|
|
* yy_c_buf_p so that if some total
|
|
* hoser (like flex itself) wants to
|
|
* call the scanner after we return the
|
|
* YY_NULL, it'll still work - another
|
|
* YY_NULL will get returned.
|
|
*/
|
|
(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
|
|
|
|
yy_act = YY_STATE_EOF(YY_START);
|
|
goto do_action;
|
|
}
|
|
|
|
else
|
|
{
|
|
if ( ! (yy_did_buffer_switch_on_eof) )
|
|
YY_NEW_FILE;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case EOB_ACT_CONTINUE_SCAN:
|
|
(yy_c_buf_p) =
|
|
(yytext_ptr) + yy_amount_of_matched_text;
|
|
|
|
yy_current_state = yy_get_previous_state( );
|
|
|
|
yy_cp = (yy_c_buf_p);
|
|
yy_bp = (yytext_ptr) + YY_MORE_ADJ;
|
|
goto yy_match;
|
|
|
|
case EOB_ACT_LAST_MATCH:
|
|
(yy_c_buf_p) =
|
|
&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
|
|
|
|
yy_current_state = yy_get_previous_state( );
|
|
|
|
yy_cp = (yy_c_buf_p);
|
|
yy_bp = (yytext_ptr) + YY_MORE_ADJ;
|
|
goto yy_find_action;
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
YY_FATAL_ERROR(
|
|
"fatal flex scanner internal error--no action found" );
|
|
} /* end of action switch */
|
|
} /* end of scanning one token */
|
|
} /* end of null_lex */
|
|
|
|
/* 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
|
|
{
|
|
int 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. */
|
|
null_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), (size_t) 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;
|
|
null_restart(null_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;
|
|
|
|
if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
|
|
/* Extend the array by 50%, plus the number we really need. */
|
|
yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
|
|
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) null_realloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size );
|
|
if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
|
|
YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
|
|
}
|
|
|
|
(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;
|
|
}
|
|
|
|
/* yy_get_previous_state - get the state just before the EOB char was reached */
|
|
|
|
static yy_state_type yy_get_previous_state (void)
|
|
{
|
|
register yy_state_type yy_current_state;
|
|
register char *yy_cp;
|
|
|
|
yy_current_state = (yy_start);
|
|
|
|
for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
|
|
{
|
|
register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
|
|
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 >= 6 )
|
|
yy_c = yy_meta[(unsigned int) yy_c];
|
|
}
|
|
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
|
|
}
|
|
|
|
return yy_current_state;
|
|
}
|
|
|
|
/* yy_try_NUL_trans - try to make a transition on the NUL character
|
|
*
|
|
* synopsis
|
|
* next_state = yy_try_NUL_trans( current_state );
|
|
*/
|
|
static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state )
|
|
{
|
|
register int yy_is_jam;
|
|
register char *yy_cp = (yy_c_buf_p);
|
|
|
|
register YY_CHAR yy_c = 1;
|
|
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 >= 6 )
|
|
yy_c = yy_meta[(unsigned int) yy_c];
|
|
}
|
|
yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
|
|
yy_is_jam = (yy_current_state == 5);
|
|
|
|
return yy_is_jam ? 0 : yy_current_state;
|
|
}
|
|
|
|
#ifndef YY_NO_INPUT
|
|
#ifdef __cplusplus
|
|
static int yyinput (void)
|
|
#else
|
|
static int input (void)
|
|
#endif
|
|
|
|
{
|
|
int c;
|
|
|
|
*(yy_c_buf_p) = (yy_hold_char);
|
|
|
|
if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
|
|
{
|
|
/* yy_c_buf_p now points to the character we want to return.
|
|
* If this occurs *before* the EOB characters, then it's a
|
|
* valid NUL; if not, then we've hit the end of the buffer.
|
|
*/
|
|
if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
|
|
/* This was really a NUL. */
|
|
*(yy_c_buf_p) = '\0';
|
|
|
|
else
|
|
{ /* need more input */
|
|
int offset = (yy_c_buf_p) - (yytext_ptr);
|
|
++(yy_c_buf_p);
|
|
|
|
switch ( yy_get_next_buffer( ) )
|
|
{
|
|
case EOB_ACT_LAST_MATCH:
|
|
/* This happens because yy_g_n_b()
|
|
* sees that we've accumulated a
|
|
* token and flags that we need to
|
|
* try matching the token before
|
|
* proceeding. But for input(),
|
|
* there's no matching to consider.
|
|
* So convert the EOB_ACT_LAST_MATCH
|
|
* to EOB_ACT_END_OF_FILE.
|
|
*/
|
|
|
|
/* Reset buffer status. */
|
|
null_restart(null_in );
|
|
|
|
/*FALLTHROUGH*/
|
|
|
|
case EOB_ACT_END_OF_FILE:
|
|
{
|
|
if ( null_wrap( ) )
|
|
return EOF;
|
|
|
|
if ( ! (yy_did_buffer_switch_on_eof) )
|
|
YY_NEW_FILE;
|
|
#ifdef __cplusplus
|
|
return yyinput();
|
|
#else
|
|
return input();
|
|
#endif
|
|
}
|
|
|
|
case EOB_ACT_CONTINUE_SCAN:
|
|
(yy_c_buf_p) = (yytext_ptr) + offset;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */
|
|
*(yy_c_buf_p) = '\0'; /* preserve null_text */
|
|
(yy_hold_char) = *++(yy_c_buf_p);
|
|
|
|
return c;
|
|
}
|
|
#endif /* ifndef YY_NO_INPUT */
|
|
|
|
/** Immediately switch to a different input stream.
|
|
* @param input_file A readable stream.
|
|
*
|
|
* @note This function does not reset the start condition to @c INITIAL .
|
|
*/
|
|
void null_restart (FILE * input_file )
|
|
{
|
|
|
|
if ( ! YY_CURRENT_BUFFER ){
|
|
null_ensure_buffer_stack ();
|
|
YY_CURRENT_BUFFER_LVALUE =
|
|
null__create_buffer(null_in,YY_BUF_SIZE );
|
|
}
|
|
|
|
null__init_buffer(YY_CURRENT_BUFFER,input_file );
|
|
null__load_buffer_state( );
|
|
}
|
|
|
|
/** Switch to a different input buffer.
|
|
* @param new_buffer The new input buffer.
|
|
*
|
|
*/
|
|
void null__switch_to_buffer (YY_BUFFER_STATE new_buffer )
|
|
{
|
|
|
|
/* TODO. We should be able to replace this entire function body
|
|
* with
|
|
* null_pop_buffer_state();
|
|
* null_push_buffer_state(new_buffer);
|
|
*/
|
|
null_ensure_buffer_stack ();
|
|
if ( YY_CURRENT_BUFFER == new_buffer )
|
|
return;
|
|
|
|
if ( YY_CURRENT_BUFFER )
|
|
{
|
|
/* Flush out information for old buffer. */
|
|
*(yy_c_buf_p) = (yy_hold_char);
|
|
YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
|
|
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
|
|
}
|
|
|
|
YY_CURRENT_BUFFER_LVALUE = new_buffer;
|
|
null__load_buffer_state( );
|
|
|
|
/* We don't actually know whether we did this switch during
|
|
* EOF (null_wrap()) processing, but the only time this flag
|
|
* is looked at is after null_wrap() is called, so it's safe
|
|
* to go ahead and always set it.
|
|
*/
|
|
(yy_did_buffer_switch_on_eof) = 1;
|
|
}
|
|
|
|
static void null__load_buffer_state (void)
|
|
{
|
|
(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
|
|
(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
|
|
null_in = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
|
|
(yy_hold_char) = *(yy_c_buf_p);
|
|
}
|
|
|
|
/** Allocate and initialize an input buffer state.
|
|
* @param file A readable stream.
|
|
* @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
|
|
*
|
|
* @return the allocated buffer state.
|
|
*/
|
|
YY_BUFFER_STATE null__create_buffer (FILE * file, int size )
|
|
{
|
|
YY_BUFFER_STATE b;
|
|
|
|
b = (YY_BUFFER_STATE) null_alloc(sizeof( struct yy_buffer_state ) );
|
|
if ( ! b )
|
|
YY_FATAL_ERROR( "out of dynamic memory in null__create_buffer()" );
|
|
|
|
b->yy_buf_size = size;
|
|
|
|
/* yy_ch_buf has to be 2 characters longer than the size given because
|
|
* we need to put in 2 end-of-buffer characters.
|
|
*/
|
|
b->yy_ch_buf = (char *) null_alloc(b->yy_buf_size + 2 );
|
|
if ( ! b->yy_ch_buf )
|
|
YY_FATAL_ERROR( "out of dynamic memory in null__create_buffer()" );
|
|
|
|
b->yy_is_our_buffer = 1;
|
|
|
|
null__init_buffer(b,file );
|
|
|
|
return b;
|
|
}
|
|
|
|
/** Destroy the buffer.
|
|
* @param b a buffer created with null__create_buffer()
|
|
*
|
|
*/
|
|
void null__delete_buffer (YY_BUFFER_STATE b )
|
|
{
|
|
|
|
if ( ! b )
|
|
return;
|
|
|
|
if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
|
|
YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
|
|
|
|
if ( b->yy_is_our_buffer )
|
|
null_free((void *) b->yy_ch_buf );
|
|
|
|
null_free((void *) b );
|
|
}
|
|
|
|
#ifndef __cplusplus
|
|
extern int isatty (int );
|
|
#endif /* __cplusplus */
|
|
|
|
/* Initializes or reinitializes a buffer.
|
|
* This function is sometimes called more than once on the same buffer,
|
|
* such as during a null_restart() or at EOF.
|
|
*/
|
|
static void null__init_buffer (YY_BUFFER_STATE b, FILE * file )
|
|
|
|
{
|
|
int oerrno = errno;
|
|
|
|
null__flush_buffer(b );
|
|
|
|
b->yy_input_file = file;
|
|
b->yy_fill_buffer = 1;
|
|
|
|
/* If b is the current buffer, then null__init_buffer was _probably_
|
|
* called from null_restart() or through yy_get_next_buffer.
|
|
* In that case, we don't want to reset the lineno or column.
|
|
*/
|
|
if (b != YY_CURRENT_BUFFER){
|
|
b->yy_bs_lineno = 1;
|
|
b->yy_bs_column = 0;
|
|
}
|
|
|
|
b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
|
|
|
|
errno = oerrno;
|
|
}
|
|
|
|
/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
|
|
* @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
|
|
*
|
|
*/
|
|
void null__flush_buffer (YY_BUFFER_STATE b )
|
|
{
|
|
if ( ! b )
|
|
return;
|
|
|
|
b->yy_n_chars = 0;
|
|
|
|
/* We always need two end-of-buffer characters. The first causes
|
|
* a transition to the end-of-buffer state. The second causes
|
|
* a jam in that state.
|
|
*/
|
|
b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
|
|
b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
|
|
|
|
b->yy_buf_pos = &b->yy_ch_buf[0];
|
|
|
|
b->yy_at_bol = 1;
|
|
b->yy_buffer_status = YY_BUFFER_NEW;
|
|
|
|
if ( b == YY_CURRENT_BUFFER )
|
|
null__load_buffer_state( );
|
|
}
|
|
|
|
/** Pushes the new state onto the stack. The new state becomes
|
|
* the current state. This function will allocate the stack
|
|
* if necessary.
|
|
* @param new_buffer The new state.
|
|
*
|
|
*/
|
|
void null_push_buffer_state (YY_BUFFER_STATE new_buffer )
|
|
{
|
|
if (new_buffer == NULL)
|
|
return;
|
|
|
|
null_ensure_buffer_stack();
|
|
|
|
/* This block is copied from null__switch_to_buffer. */
|
|
if ( YY_CURRENT_BUFFER )
|
|
{
|
|
/* Flush out information for old buffer. */
|
|
*(yy_c_buf_p) = (yy_hold_char);
|
|
YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
|
|
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
|
|
}
|
|
|
|
/* Only push if top exists. Otherwise, replace top. */
|
|
if (YY_CURRENT_BUFFER)
|
|
(yy_buffer_stack_top)++;
|
|
YY_CURRENT_BUFFER_LVALUE = new_buffer;
|
|
|
|
/* copied from null__switch_to_buffer. */
|
|
null__load_buffer_state( );
|
|
(yy_did_buffer_switch_on_eof) = 1;
|
|
}
|
|
|
|
/** Removes and deletes the top of the stack, if present.
|
|
* The next element becomes the new top.
|
|
*
|
|
*/
|
|
void null_pop_buffer_state (void)
|
|
{
|
|
if (!YY_CURRENT_BUFFER)
|
|
return;
|
|
|
|
null__delete_buffer(YY_CURRENT_BUFFER );
|
|
YY_CURRENT_BUFFER_LVALUE = NULL;
|
|
if ((yy_buffer_stack_top) > 0)
|
|
--(yy_buffer_stack_top);
|
|
|
|
if (YY_CURRENT_BUFFER) {
|
|
null__load_buffer_state( );
|
|
(yy_did_buffer_switch_on_eof) = 1;
|
|
}
|
|
}
|
|
|
|
/* Allocates the stack if it does not exist.
|
|
* Guarantees space for at least one push.
|
|
*/
|
|
static void null_ensure_buffer_stack (void)
|
|
{
|
|
int num_to_alloc;
|
|
|
|
if (!(yy_buffer_stack)) {
|
|
|
|
/* First allocation is just for 2 elements, since we don't know if this
|
|
* scanner will even need a stack. We use 2 instead of 1 to avoid an
|
|
* immediate realloc on the next call.
|
|
*/
|
|
num_to_alloc = 1;
|
|
(yy_buffer_stack) = (struct yy_buffer_state**)null_alloc
|
|
(num_to_alloc * sizeof(struct yy_buffer_state*)
|
|
);
|
|
if ( ! (yy_buffer_stack) )
|
|
YY_FATAL_ERROR( "out of dynamic memory in null_ensure_buffer_stack()" );
|
|
|
|
memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
|
|
|
|
(yy_buffer_stack_max) = num_to_alloc;
|
|
(yy_buffer_stack_top) = 0;
|
|
return;
|
|
}
|
|
|
|
if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
|
|
|
|
/* Increase the buffer to prepare for a possible push. */
|
|
int grow_size = 8 /* arbitrary grow size */;
|
|
|
|
num_to_alloc = (yy_buffer_stack_max) + grow_size;
|
|
(yy_buffer_stack) = (struct yy_buffer_state**)null_realloc
|
|
((yy_buffer_stack),
|
|
num_to_alloc * sizeof(struct yy_buffer_state*)
|
|
);
|
|
if ( ! (yy_buffer_stack) )
|
|
YY_FATAL_ERROR( "out of dynamic memory in null_ensure_buffer_stack()" );
|
|
|
|
/* zero only the new slots.*/
|
|
memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
|
|
(yy_buffer_stack_max) = num_to_alloc;
|
|
}
|
|
}
|
|
|
|
/** Setup the input buffer state to scan directly from a user-specified character buffer.
|
|
* @param base the character buffer
|
|
* @param size the size in bytes of the character buffer
|
|
*
|
|
* @return the newly allocated buffer state object.
|
|
*/
|
|
YY_BUFFER_STATE null__scan_buffer (char * base, yy_size_t size )
|
|
{
|
|
YY_BUFFER_STATE b;
|
|
|
|
if ( size < 2 ||
|
|
base[size-2] != YY_END_OF_BUFFER_CHAR ||
|
|
base[size-1] != YY_END_OF_BUFFER_CHAR )
|
|
/* They forgot to leave room for the EOB's. */
|
|
return 0;
|
|
|
|
b = (YY_BUFFER_STATE) null_alloc(sizeof( struct yy_buffer_state ) );
|
|
if ( ! b )
|
|
YY_FATAL_ERROR( "out of dynamic memory in null__scan_buffer()" );
|
|
|
|
b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
|
|
b->yy_buf_pos = b->yy_ch_buf = base;
|
|
b->yy_is_our_buffer = 0;
|
|
b->yy_input_file = 0;
|
|
b->yy_n_chars = b->yy_buf_size;
|
|
b->yy_is_interactive = 0;
|
|
b->yy_at_bol = 1;
|
|
b->yy_fill_buffer = 0;
|
|
b->yy_buffer_status = YY_BUFFER_NEW;
|
|
|
|
null__switch_to_buffer(b );
|
|
|
|
return b;
|
|
}
|
|
|
|
/** Setup the input buffer state to scan a string. The next call to null_lex() will
|
|
* scan from a @e copy of @a str.
|
|
* @param yystr a NUL-terminated string to scan
|
|
*
|
|
* @return the newly allocated buffer state object.
|
|
* @note If you want to scan bytes that may contain NUL values, then use
|
|
* null__scan_bytes() instead.
|
|
*/
|
|
YY_BUFFER_STATE null__scan_string (yyconst char * yystr )
|
|
{
|
|
|
|
return null__scan_bytes(yystr,strlen(yystr) );
|
|
}
|
|
|
|
/** Setup the input buffer state to scan the given bytes. The next call to null_lex() will
|
|
* scan from a @e copy of @a bytes.
|
|
* @param yybytes the byte buffer to scan
|
|
* @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
|
|
*
|
|
* @return the newly allocated buffer state object.
|
|
*/
|
|
YY_BUFFER_STATE null__scan_bytes (yyconst char * yybytes, int _yybytes_len )
|
|
{
|
|
YY_BUFFER_STATE b;
|
|
char *buf;
|
|
yy_size_t n;
|
|
int i;
|
|
|
|
/* Get memory for full buffer, including space for trailing EOB's. */
|
|
n = _yybytes_len + 2;
|
|
buf = (char *) null_alloc(n );
|
|
if ( ! buf )
|
|
YY_FATAL_ERROR( "out of dynamic memory in null__scan_bytes()" );
|
|
|
|
for ( i = 0; i < _yybytes_len; ++i )
|
|
buf[i] = yybytes[i];
|
|
|
|
buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
|
|
|
|
b = null__scan_buffer(buf,n );
|
|
if ( ! b )
|
|
YY_FATAL_ERROR( "bad buffer in null__scan_bytes()" );
|
|
|
|
/* It's okay to grow etc. this buffer, and we should throw it
|
|
* away when we're done.
|
|
*/
|
|
b->yy_is_our_buffer = 1;
|
|
|
|
return b;
|
|
}
|
|
|
|
#ifndef YY_EXIT_FAILURE
|
|
#define YY_EXIT_FAILURE 2
|
|
#endif
|
|
|
|
static void yy_fatal_error (yyconst char* msg )
|
|
{
|
|
(void) fprintf( stderr, "%s\n", msg );
|
|
exit( YY_EXIT_FAILURE );
|
|
}
|
|
|
|
/* Redefine yyless() so it works in section 3 code. */
|
|
|
|
#undef yyless
|
|
#define yyless(n) \
|
|
do \
|
|
{ \
|
|
/* Undo effects of setting up null_text. */ \
|
|
int yyless_macro_arg = (n); \
|
|
YY_LESS_LINENO(yyless_macro_arg);\
|
|
null_text[null_leng] = (yy_hold_char); \
|
|
(yy_c_buf_p) = null_text + yyless_macro_arg; \
|
|
(yy_hold_char) = *(yy_c_buf_p); \
|
|
*(yy_c_buf_p) = '\0'; \
|
|
null_leng = yyless_macro_arg; \
|
|
} \
|
|
while ( 0 )
|
|
|
|
/* Accessor methods (get/set functions) to struct members. */
|
|
|
|
/** Get the current line number.
|
|
*
|
|
*/
|
|
int null_get_lineno (void)
|
|
{
|
|
|
|
return null_lineno;
|
|
}
|
|
|
|
/** Get the input stream.
|
|
*
|
|
*/
|
|
FILE *null_get_in (void)
|
|
{
|
|
return null_in;
|
|
}
|
|
|
|
/** Get the output stream.
|
|
*
|
|
*/
|
|
FILE *null_get_out (void)
|
|
{
|
|
return null_out;
|
|
}
|
|
|
|
/** Get the length of the current token.
|
|
*
|
|
*/
|
|
int null_get_leng (void)
|
|
{
|
|
return null_leng;
|
|
}
|
|
|
|
/** Get the current token.
|
|
*
|
|
*/
|
|
|
|
char *null_get_text (void)
|
|
{
|
|
return null_text;
|
|
}
|
|
|
|
/** Set the current line number.
|
|
* @param line_number
|
|
*
|
|
*/
|
|
void null_set_lineno (int line_number )
|
|
{
|
|
|
|
null_lineno = line_number;
|
|
}
|
|
|
|
/** Set the input stream. This does not discard the current
|
|
* input buffer.
|
|
* @param in_str A readable stream.
|
|
*
|
|
* @see null__switch_to_buffer
|
|
*/
|
|
void null_set_in (FILE * in_str )
|
|
{
|
|
null_in = in_str ;
|
|
}
|
|
|
|
void null_set_out (FILE * out_str )
|
|
{
|
|
null_out = out_str ;
|
|
}
|
|
|
|
int null_get_debug (void)
|
|
{
|
|
return null__flex_debug;
|
|
}
|
|
|
|
void null_set_debug (int bdebug )
|
|
{
|
|
null__flex_debug = bdebug ;
|
|
}
|
|
|
|
static int yy_init_globals (void)
|
|
{
|
|
/* Initialization is the same as for the non-reentrant scanner.
|
|
* This function is called from null_lex_destroy(), so don't allocate here.
|
|
*/
|
|
|
|
(yy_buffer_stack) = 0;
|
|
(yy_buffer_stack_top) = 0;
|
|
(yy_buffer_stack_max) = 0;
|
|
(yy_c_buf_p) = (char *) 0;
|
|
(yy_init) = 0;
|
|
(yy_start) = 0;
|
|
|
|
/* Defined in main.c */
|
|
#ifdef YY_STDINIT
|
|
null_in = stdin;
|
|
null_out = stdout;
|
|
#else
|
|
null_in = (FILE *) 0;
|
|
null_out = (FILE *) 0;
|
|
#endif
|
|
|
|
/* For future reference: Set errno on error, since we are called by
|
|
* null_lex_init()
|
|
*/
|
|
return 0;
|
|
}
|
|
|
|
/* null_lex_destroy is for both reentrant and non-reentrant scanners. */
|
|
int null_lex_destroy (void)
|
|
{
|
|
|
|
/* Pop the buffer stack, destroying each element. */
|
|
while(YY_CURRENT_BUFFER){
|
|
null__delete_buffer(YY_CURRENT_BUFFER );
|
|
YY_CURRENT_BUFFER_LVALUE = NULL;
|
|
null_pop_buffer_state();
|
|
}
|
|
|
|
/* Destroy the stack itself. */
|
|
null_free((yy_buffer_stack) );
|
|
(yy_buffer_stack) = NULL;
|
|
|
|
/* Reset the globals. This is important in a non-reentrant scanner so the next time
|
|
* null_lex() is called, initialization will occur. */
|
|
yy_init_globals( );
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Internal utility routines.
|
|
*/
|
|
|
|
#ifndef yytext_ptr
|
|
static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
|
|
{
|
|
register int i;
|
|
for ( i = 0; i < n; ++i )
|
|
s1[i] = s2[i];
|
|
}
|
|
#endif
|
|
|
|
#ifdef YY_NEED_STRLEN
|
|
static int yy_flex_strlen (yyconst char * s )
|
|
{
|
|
register int n;
|
|
for ( n = 0; s[n]; ++n )
|
|
;
|
|
|
|
return n;
|
|
}
|
|
#endif
|
|
|
|
void *null_alloc (yy_size_t size )
|
|
{
|
|
return (void *) malloc( size );
|
|
}
|
|
|
|
void *null_realloc (void * ptr, yy_size_t size )
|
|
{
|
|
/* The cast to (char *) in the following accommodates both
|
|
* implementations that use char* generic pointers, and those
|
|
* that use void* generic pointers. It works with the latter
|
|
* because both ANSI C and C++ allow castless assignment from
|
|
* any pointer type to void*, and deal with argument conversions
|
|
* as though doing an assignment.
|
|
*/
|
|
return (void *) realloc( (char *) ptr, size );
|
|
}
|
|
|
|
void null_free (void * ptr )
|
|
{
|
|
free( (char *) ptr ); /* see null_realloc() for (char *) cast */
|
|
}
|
|
|
|
#define YYTABLES_NAME "yytables"
|
|
|
|
#line 10 "../../fsinfo/null_lex.l"
|