#include "config.h"
#line 2 "<stdout>"
#define YY_INT_ALIGNED short int
/* A lexical scanner generated by flex */
#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 6
#define YY_FLEX_SUBMINOR_VERSION 4
#if YY_FLEX_SUBMINOR_VERSION > 0
#define FLEX_BETA
#endif
/* First, we deal with platform-specific or compiler-specific issues. */
/* begin standard C headers. */
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
/* end standard C headers. */
/* flex integer type definitions */
#ifndef FLEXINT_H
#define FLEXINT_H
/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
* if you want the limit (max/min) macros for int types.
*/
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS 1
#endif
#include <inttypes.h>
typedef int8_t flex_int8_t;
typedef uint8_t flex_uint8_t;
typedef int16_t flex_int16_t;
typedef uint16_t flex_uint16_t;
typedef int32_t flex_int32_t;
typedef uint32_t flex_uint32_t;
#else
typedef signed char flex_int8_t;
typedef short int flex_int16_t;
typedef int flex_int32_t;
typedef unsigned char flex_uint8_t;
typedef unsigned short int flex_uint16_t;
typedef unsigned int flex_uint32_t;
/* Limits of integral types. */
#ifndef INT8_MIN
#define INT8_MIN (-128)
#endif
#ifndef INT16_MIN
#define INT16_MIN (-32767-1)
#endif
#ifndef INT32_MIN
#define INT32_MIN (-2147483647-1)
#endif
#ifndef INT8_MAX
#define INT8_MAX (127)
#endif
#ifndef INT16_MAX
#define INT16_MAX (32767)
#endif
#ifndef INT32_MAX
#define INT32_MAX (2147483647)
#endif
#ifndef UINT8_MAX
#define UINT8_MAX (255U)
#endif
#ifndef UINT16_MAX
#define UINT16_MAX (65535U)
#endif
#ifndef UINT32_MAX
#define UINT32_MAX (4294967295U)
#endif
#ifndef SIZE_MAX
#define SIZE_MAX (~(size_t)0)
#endif
#endif /* ! C99 */
#endif /* ! FLEXINT_H */
/* begin standard C++ headers. */
/* TODO: this is always defined, so inline it */
#define yyconst const
#if defined(__GNUC__) && __GNUC__ >= 3
#define yynoreturn __attribute__((__noreturn__))
#else
#define yynoreturn
#endif
/* Returned upon end-of-file. */
#define YY_NULL 0
/* Promotes a possibly negative, possibly signed char to an
* integer in range [0..255] for use as an array index.
*/
#define YY_SC_TO_UI(c) ((YY_CHAR) (c))
/* Enter a start condition. This macro really ought to take a parameter,
* but we do it the disgusting crufty way forced on us by the ()-less
* definition of BEGIN.
*/
#define BEGIN (yy_start) = 1 + 2 *
/* Translate the current start state into a value that can be later handed
* to BEGIN to return to the state. The YYSTATE alias is for lex
* compatibility.
*/
#define YY_START (((yy_start) - 1) / 2)
#define YYSTATE YY_START
/* Action number for EOF rule of a given start state. */
#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
/* Special action meaning "start processing a new file". */
#define YY_NEW_FILE yyrestart( yyin )
#define YY_END_OF_BUFFER_CHAR 0
/* Size of default input buffer. */
#ifndef YY_BUF_SIZE
#ifdef __ia64__
/* On IA-64, the buffer size is 16k, not 8k.
* Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
* Ditto for the __ia64__ case accordingly.
*/
#define YY_BUF_SIZE 32768
#else
#define YY_BUF_SIZE 16384
#endif /* __ia64__ */
#endif
/* The state buf must be large enough to hold one state per character in the main buffer.
*/
#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
#ifndef YY_TYPEDEF_YY_BUFFER_STATE
#define YY_TYPEDEF_YY_BUFFER_STATE
typedef struct yy_buffer_state *YY_BUFFER_STATE;
#endif
#ifndef YY_TYPEDEF_YY_SIZE_T
#define YY_TYPEDEF_YY_SIZE_T
typedef size_t yy_size_t;
#endif
extern int yyleng;
extern FILE *yyin, *yyout;
#define EOB_ACT_CONTINUE_SCAN 0
#define EOB_ACT_END_OF_FILE 1
#define EOB_ACT_LAST_MATCH 2
#define YY_LESS_LINENO(n)
#define YY_LINENO_REWIND_TO(ptr)
/* Return all but the first "n" matched characters back to the input stream. */
#define yyless(n) \
do \
{ \
/* Undo effects of setting up yytext. */ \
int yyless_macro_arg = (n); \
YY_LESS_LINENO(yyless_macro_arg);\
*yy_cp = (yy_hold_char); \
YY_RESTORE_YY_MORE_OFFSET \
(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
YY_DO_BEFORE_ACTION; /* set up yytext again */ \
} \
while ( 0 )
#define unput(c) yyunput( c, (yytext_ptr) )
#ifndef YY_STRUCT_YY_BUFFER_STATE
#define YY_STRUCT_YY_BUFFER_STATE
struct yy_buffer_state
{
FILE *yy_input_file;
char *yy_ch_buf; /* input buffer */
char *yy_buf_pos; /* current position in input buffer */
/* Size of input buffer in bytes, not including room for EOB
* characters.
*/
int yy_buf_size;
/* Number of characters read into yy_ch_buf, not including EOB
* characters.
*/
int yy_n_chars;
/* Whether we "own" the buffer - i.e., we know we created it,
* and can realloc() it to grow it, and should free() it to
* delete it.
*/
int yy_is_our_buffer;
/* Whether this is an "interactive" input source; if so, and
* if we're using stdio for input, then we want to use getc()
* instead of fread(), to make sure we stop fetching input after
* each newline.
*/
int yy_is_interactive;
/* Whether we're considered to be at the beginning of a line.
* If so, '^' rules will be active on the next match, otherwise
* not.
*/
int yy_at_bol;
int yy_bs_lineno; /**< The line count. */
int yy_bs_column; /**< The column count. */
/* Whether to try to fill the input buffer when we reach the
* end of it.
*/
int yy_fill_buffer;
int yy_buffer_status;
#define YY_BUFFER_NEW 0
#define YY_BUFFER_NORMAL 1
/* When an EOF's been seen but there's still some text to process
* then we mark the buffer as YY_EOF_PENDING, to indicate that we
* shouldn't try reading from the input source any more. We might
* still have a bunch of tokens to match, though, because of
* possible backing-up.
*
* When we actually see the EOF, we change the status to "new"
* (via yyrestart()), so that the user can continue scanning by
* just pointing yyin at a new input file.
*/
#define YY_BUFFER_EOF_PENDING 2
};
#endif /* !YY_STRUCT_YY_BUFFER_STATE */
/* Stack of input buffers. */
static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
static YY_BUFFER_STATE * yy_buffer_stack = NULL; /**< Stack as an array. */
/* We provide macros for accessing buffer states in case in the
* future we want to put the buffer states in a more general
* "scanner state".
*
* Returns the top of the stack, or NULL.
*/
#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
? (yy_buffer_stack)[(yy_buffer_stack_top)] \
: NULL)
/* Same as previous macro, but useful when we know that the buffer stack is not
* NULL or when we need an lvalue. For internal use only.
*/
#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
/* yy_hold_char holds the character lost when yytext is formed. */
static char yy_hold_char;
static int yy_n_chars; /* number of characters read into yy_ch_buf */
int yyleng;
/* Points to current character in buffer. */
static char *yy_c_buf_p = NULL;
static int yy_init = 0; /* whether we need to initialize */
static int yy_start = 0; /* start state number */
/* Flag which is used to allow yywrap()'s to do buffer switches
* instead of setting up a fresh yyin. A bit of a hack ...
*/
static int yy_did_buffer_switch_on_eof;
void yyrestart ( FILE *input_file );
void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer );
YY_BUFFER_STATE yy_create_buffer ( FILE *file, int size );
void yy_delete_buffer ( YY_BUFFER_STATE b );
void yy_flush_buffer ( YY_BUFFER_STATE b );
void yypush_buffer_state ( YY_BUFFER_STATE new_buffer );
void yypop_buffer_state ( void );
static void yyensure_buffer_stack ( void );
static void yy_load_buffer_state ( void );
static void yy_init_buffer ( YY_BUFFER_STATE b, FILE *file );
#define YY_FLUSH_BUFFER yy_flush_buffer( YY_CURRENT_BUFFER )
YY_BUFFER_STATE yy_scan_buffer ( char *base, yy_size_t size );
YY_BUFFER_STATE yy_scan_string ( const char *yy_str );
YY_BUFFER_STATE yy_scan_bytes ( const char *bytes, int len );
void *yyalloc ( yy_size_t );
void *yyrealloc ( void *, yy_size_t );
void yyfree ( void * );
#define yy_new_buffer yy_create_buffer
#define yy_set_interactive(is_interactive) \
{ \
if ( ! YY_CURRENT_BUFFER ){ \
yyensure_buffer_stack (); \
YY_CURRENT_BUFFER_LVALUE = \
yy_create_buffer( yyin, YY_BUF_SIZE ); \
} \
YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
}
#define yy_set_bol(at_bol) \
{ \
if ( ! YY_CURRENT_BUFFER ){\
yyensure_buffer_stack (); \
YY_CURRENT_BUFFER_LVALUE = \
yy_create_buffer( yyin, YY_BUF_SIZE ); \
} \
YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
}
#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
/* Begin user sect3 */
typedef flex_uint8_t YY_CHAR;
FILE *yyin = NULL, *yyout = NULL;
typedef int yy_state_type;
extern int yylineno;
int yylineno = 1;
extern char *yytext;
#ifdef yytext_ptr
#undef yytext_ptr
#endif
#define yytext_ptr yytext
static yy_state_type yy_get_previous_state ( void );
static yy_state_type yy_try_NUL_trans ( yy_state_type current_state );
static int yy_get_next_buffer ( void );
static void yynoreturn yy_fatal_error ( const char* msg );
/* Done after the current pattern has been matched and before the
* corresponding action - sets up yytext.
*/
#define YY_DO_BEFORE_ACTION \
(yytext_ptr) = yy_bp; \
(yytext_ptr) -= (yy_more_len); \
yyleng = (int) (yy_cp - (yytext_ptr)); \
(yy_hold_char) = *yy_cp; \
*yy_cp = '\0'; \
(yy_c_buf_p) = yy_cp;
#define YY_NUM_RULES 25
#define YY_END_OF_BUFFER 26
/* This struct is not used in this scanner,
but its presence is necessary. */
struct yy_trans_info
{
flex_int32_t yy_verify;
flex_int32_t yy_nxt;
};
static const flex_int16_t yy_accept[70] =
{ 0,
0, 0, 0, 0, 16, 16, 20, 20, 26, 23,
14, 11, 11, 19, 24, 12, 13, 8, 1, 9,
23, 24, 6, 5, 16, 17, 16, 18, 20, 21,
22, 25, 23, 23, 14, 1, 1, 23, 23, 10,
15, 23, 7, 7, 7, 7, 6, 16, 16, 16,
16, 20, 0, 23, 23, 7, 7, 7, 7, 7,
2, 7, 7, 7, 7, 7, 3, 4, 0
} ;
static const YY_CHAR yy_ec[256] =
{ 0,
1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
1, 1, 4, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 2, 1, 5, 6, 7, 1, 1, 1, 8,
9, 1, 1, 1, 1, 10, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 11, 1,
1, 1, 1, 12, 13, 13, 14, 15, 16, 13,
17, 13, 18, 13, 13, 19, 13, 20, 21, 13,
13, 22, 13, 23, 24, 13, 13, 13, 13, 13,
25, 26, 27, 1, 1, 1, 13, 13, 28, 29,
30, 13, 31, 13, 32, 13, 13, 33, 13, 34,
35, 13, 13, 36, 13, 37, 38, 13, 13, 13,
13, 13, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1
} ;
static const YY_CHAR yy_meta[39] =
{ 0,
1, 2, 3, 2, 4, 1, 1, 2, 2, 2,
2, 1, 5, 5, 5, 5, 5, 5, 5, 5,
5, 5, 5, 5, 1, 1, 6, 5, 5, 5,
5, 5, 5, 5, 5, 5, 5, 5
} ;
static const flex_int16_t yy_base[83] =
{ 0,
0, 25, 115, 114, 12, 14, 16, 17, 116, 89,
12, 218, 218, 218, 218, 218, 218, 218, 0, 88,
50, 59, 0, 218, 87, 218, 18, 218, 86, 218,
218, 106, 84, 95, 14, 0, 0, 82, 81, 76,
75, 120, 0, 28, 27, 27, 0, 64, 20, 63,
39, 59, 63, 5, 0, 43, 49, 50, 51, 55,
0, 49, 56, 63, 59, 79, 0, 0, 218, 146,
152, 158, 164, 170, 176, 182, 1, 188, 194, 199,
205, 211
} ;
static const flex_int16_t yy_def[83] =
{ 0,
70, 70, 71, 71, 72, 72, 73, 73, 69, 74,
69, 69, 69, 69, 69, 69, 69, 69, 75, 74,
76, 77, 78, 69, 79, 69, 80, 69, 81, 69,
69, 81, 74, 82, 69, 75, 75, 74, 74, 74,
74, 82, 77, 77, 77, 77, 78, 79, 80, 79,
80, 81, 81, 74, 42, 77, 77, 77, 77, 77,
77, 77, 77, 77, 77, 77, 77, 77, 0, 69,
69, 69, 69, 69, 69, 69, 69, 69, 69, 69,
69, 69
} ;
static const flex_int16_t yy_nxt[257] =
{ 0,
69, 11, 12, 13, 14, 43, 15, 16, 17, 18,
19, 20, 69, 35, 26, 35, 26, 69, 30, 30,
31, 31, 36, 69, 36, 21, 11, 12, 13, 14,
34, 22, 16, 17, 18, 19, 20, 27, 28, 27,
28, 32, 32, 51, 48, 51, 48, 56, 57, 58,
21, 39, 39, 39, 39, 40, 59, 39, 39, 39,
39, 56, 57, 58, 51, 48, 60, 52, 61, 62,
59, 63, 64, 65, 41, 42, 44, 66, 67, 45,
60, 46, 61, 62, 53, 63, 64, 65, 49, 49,
44, 66, 67, 45, 68, 46, 33, 33, 33, 33,
34, 34, 33, 33, 33, 33, 34, 34, 68, 34,
52, 53, 49, 34, 34, 69, 24, 24, 69, 69,
55, 33, 33, 33, 33, 69, 69, 33, 33, 33,
33, 69, 69, 69, 69, 69, 69, 69, 69, 69,
69, 69, 69, 69, 69, 55, 10, 10, 10, 10,
10, 10, 23, 23, 23, 23, 23, 23, 25, 25,
25, 25, 25, 25, 29, 29, 29, 29, 29, 29,
33, 69, 69, 69, 33, 33, 37, 37, 69, 37,
37, 37, 38, 38, 38, 38, 38, 38, 47, 47,
69, 47, 47, 47, 48, 48, 69, 48, 48, 50,
50, 69, 50, 50, 50, 52, 52, 69, 69, 52,
52, 54, 54, 54, 54, 54, 54, 9, 69, 69,
69, 69, 69, 69, 69, 69, 69, 69, 69, 69,
69, 69, 69, 69, 69, 69, 69, 69, 69, 69,
69, 69, 69, 69, 69, 69, 69, 69, 69, 69,
69, 69, 69, 69, 69, 69
} ;
static const flex_int16_t yy_chk[257] =
{ 0,
0, 1, 1, 1, 1, 77, 1, 1, 1, 1,
1, 1, 0, 11, 5, 35, 6, 0, 7, 8,
7, 8, 11, 0, 35, 1, 2, 2, 2, 2,
54, 2, 2, 2, 2, 2, 2, 5, 5, 6,
6, 7, 8, 27, 27, 49, 49, 44, 45, 46,
2, 21, 21, 21, 21, 21, 56, 21, 21, 21,
21, 44, 45, 46, 51, 51, 57, 53, 58, 59,
56, 60, 62, 63, 21, 21, 22, 64, 65, 22,
57, 22, 58, 59, 52, 60, 62, 63, 50, 48,
22, 64, 65, 22, 66, 22, 34, 34, 34, 34,
41, 40, 34, 34, 34, 34, 39, 38, 66, 33,
32, 29, 25, 20, 10, 9, 4, 3, 0, 0,
34, 42, 42, 42, 42, 0, 0, 42, 42, 42,
42, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 42, 70, 70, 70, 70,
70, 70, 71, 71, 71, 71, 71, 71, 72, 72,
72, 72, 72, 72, 73, 73, 73, 73, 73, 73,
74, 0, 0, 0, 74, 74, 75, 75, 0, 75,
75, 75, 76, 76, 76, 76, 76, 76, 78, 78,
0, 78, 78, 78, 79, 79, 0, 79, 79, 80,
80, 0, 80, 80, 80, 81, 81, 0, 0, 81,
81, 82, 82, 82, 82, 82, 82, 69, 69, 69,
69, 69, 69, 69, 69, 69, 69, 69, 69, 69,
69, 69, 69, 69, 69, 69, 69, 69, 69, 69,
69, 69, 69, 69, 69, 69, 69, 69, 69, 69,
69, 69, 69, 69, 69, 69
} ;
static yy_state_type yy_last_accepting_state;
static char *yy_last_accepting_cpos;
extern int yy_flex_debug;
int yy_flex_debug = 0;
/* The intent behind this definition is that it'll catch
* any uses of REJECT which flex missed.
*/
#define REJECT reject_used_but_not_detected
static int yy_more_flag = 0;
static int yy_more_len = 0;
#define yymore() ((yy_more_flag) = 1)
#define YY_MORE_ADJ (yy_more_len)
#define YY_RESTORE_YY_MORE_OFFSET
char *yytext;
#line 1 "zlexer.lex"
#line 2 "zlexer.lex"
/*
* zlexer.lex - lexical analyzer for (DNS) zone files
*
* Copyright (c) 2001-2006, NLnet Labs. All rights reserved
*
* See LICENSE for the license.
*
*/
/* because flex keeps having sign-unsigned compare problems that are unfixed*/
#if defined(__clang__)||(defined(__GNUC__)&&((__GNUC__ >4)||(defined(__GNUC_MINOR__)&&(__GNUC__ ==4)&&(__GNUC_MINOR__ >=2))))
#pragma GCC diagnostic ignored "-Wsign-compare"
#endif
/* ignore fallthrough warnings in the generated parse code case statements */
#if defined(__clang__)||(defined(__GNUC__)&&(__GNUC__ >=7))
#pragma GCC diagnostic ignored "-Wimplicit-fallthrough"
#endif
#include "config.h"
#include <ctype.h>
#include <errno.h>
#include <string.h>
#include <strings.h>
#include "zonec.h"
#include "dname.h"
#include "zparser.h"
#if 0
#define LEXOUT(s) printf s /* used ONLY when debugging */
#else
#define LEXOUT(s)
#endif
enum lexer_state {
EXPECT_OWNER,
PARSING_OWNER,
PARSING_TTL_CLASS_TYPE,
PARSING_RDATA
};
static int parse_token(int token, char *yytext, enum lexer_state *lexer_state);
static YY_BUFFER_STATE include_stack[MAXINCLUDES];
static zparser_type zparser_stack[MAXINCLUDES];
static int include_stack_ptr = 0;
/*
* Saves the file specific variables on the include stack.
*/
static void
push_parser_state(FILE *input)
{
zparser_stack[include_stack_ptr].filename = parser->filename;
zparser_stack[include_stack_ptr].line = parser->line;
zparser_stack[include_stack_ptr].origin = parser->origin;
include_stack[include_stack_ptr] = YY_CURRENT_BUFFER;
yy_switch_to_buffer(yy_create_buffer(input, YY_BUF_SIZE));
++include_stack_ptr;
}
/*
* Restores the file specific variables from the include stack.
*/
static void
pop_parser_state(void)
{
if (parser->filename)
region_recycle(parser->region, (void *)parser->filename,
strlen(parser->filename)+1);
--include_stack_ptr;
parser->filename = zparser_stack[include_stack_ptr].filename;
parser->line = zparser_stack[include_stack_ptr].line;
parser->origin = zparser_stack[include_stack_ptr].origin;
yy_delete_buffer(YY_CURRENT_BUFFER);
yy_switch_to_buffer(include_stack[include_stack_ptr]);
}
static YY_BUFFER_STATE oldstate;
/* Start string scan */
void
parser_push_stringbuf(char* str)
{
oldstate = YY_CURRENT_BUFFER;
yy_switch_to_buffer(yy_scan_string(str));
}
void
parser_pop_stringbuf(void)
{
yy_delete_buffer(YY_CURRENT_BUFFER);
yy_switch_to_buffer(oldstate);
oldstate = NULL;
}
static int paren_open = 0;
static enum lexer_state lexer_state = EXPECT_OWNER;
void
parser_flush(void)
{
YY_FLUSH_BUFFER;
paren_open = 0;
lexer_state = EXPECT_OWNER;
}
int at_eof(void)
{
static int once = 1;
return (once = !once) ? 0 : NL;
}
#ifndef yy_set_bol /* compat definition, for flex 2.4.6 */
#define yy_set_bol(at_bol) \
{ \
if ( ! yy_current_buffer ) \
yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
yy_current_buffer->yy_ch_buf[0] = ((at_bol)?'\n':' '); \
}
#endif
#line 644 "<stdout>"
#define YY_NO_INPUT 1
#line 127 "zlexer.lex"
#ifndef YY_NO_UNPUT
#define YY_NO_UNPUT 1
#endif
#ifndef YY_NO_INPUT
#define YY_NO_INPUT 1
#endif
#line 653 "<stdout>"
#line 655 "<stdout>"
#define INITIAL 0
#define incl 1
#define bitlabel 2
#define quotedstring 3
#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 yylex_destroy ( void );
int yyget_debug ( void );
void yyset_debug ( int debug_flag );
YY_EXTRA_TYPE yyget_extra ( void );
void yyset_extra ( YY_EXTRA_TYPE user_defined );
FILE *yyget_in ( void );
void yyset_in ( FILE * _in_str );
FILE *yyget_out ( void );
void yyset_out ( FILE * _out_str );
int yyget_leng ( void );
char *yyget_text ( void );
int yyget_lineno ( void );
void yyset_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 yywrap ( void );
#else
extern int yywrap ( void );
#endif
#endif
#ifndef YY_NO_UNPUT
#endif
#ifndef yytext_ptr
static void yy_flex_strncpy ( char *, const char *, int );
#endif
#ifdef YY_NEED_STRLEN
static int yy_flex_strlen ( const 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( yytext, (size_t) yyleng, 1, yyout )) {} } 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 = '*'; \
int n; \
for ( n = 0; n < max_size && \
(c = getc( yyin )) != EOF && c != '\n'; ++n ) \
buf[n] = (char) c; \
if ( c == '\n' ) \
buf[n++] = (char) c; \
if ( c == EOF && ferror( yyin ) ) \
YY_FATAL_ERROR( "input in flex scanner failed" ); \
result = n; \
} \
else \
{ \
errno=0; \
while ( (result = (int) fread(buf, 1, (yy_size_t) max_size, yyin)) == 0 && ferror(yyin)) \
{ \
if( errno != EINTR) \
{ \
YY_FATAL_ERROR( "input in flex scanner failed" ); \
break; \
} \
errno=0; \
clearerr(yyin); \
} \
}\
\
#endif
/* No semi-colon after return; correct usage is to write "yyterminate();" -
* we don't want an extra ';' after the "return" because that will cause
* some compilers to complain about unreachable statements.
*/
#ifndef yyterminate
#define yyterminate() return YY_NULL
#endif
/* Number of entries by which start-condition stack grows. */
#ifndef YY_START_STACK_INCR
#define YY_START_STACK_INCR 25
#endif
/* Report a fatal error. */
#ifndef YY_FATAL_ERROR
#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
#endif
/* 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 yylex (void);
#define YY_DECL int yylex (void)
#endif /* !YY_DECL */
/* 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 /*LINTED*/break;
#endif
#define YY_RULE_SETUP \
if ( yyleng > 0 ) \
YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \
(yytext[yyleng - 1] == '\n'); \
YY_USER_ACTION
/** The main scanner function which does all the work.
*/
YY_DECL
{
yy_state_type yy_current_state;
char *yy_cp, *yy_bp;
int yy_act;
if ( !(yy_init) )
{
(yy_init) = 1;
#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 ) {
yyensure_buffer_stack ();
YY_CURRENT_BUFFER_LVALUE =
yy_create_buffer( yyin, YY_BUF_SIZE );
}
yy_load_buffer_state( );
}
{
#line 149 "zlexer.lex"
#line 878 "<stdout>"
while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */
{
(yy_more_len) = 0;
if ( (yy_more_flag) )
{
(yy_more_len) = (int) ((yy_c_buf_p) - (yytext_ptr));
(yy_more_flag) = 0;
}
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_current_state += YY_AT_BOL();
yy_match:
do
{
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 >= 70 )
yy_c = yy_meta[yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
++yy_cp;
}
while ( yy_base[yy_current_state] != 218 );
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 150 "zlexer.lex"
/* ignore */
YY_BREAK
case 2:
YY_RULE_SETUP
#line 151 "zlexer.lex"
{ lexer_state = PARSING_RDATA; return DOLLAR_TTL; }
YY_BREAK
case 3:
YY_RULE_SETUP
#line 152 "zlexer.lex"
{ lexer_state = PARSING_RDATA; return DOLLAR_ORIGIN; }
YY_BREAK
/*
* Handle $INCLUDE directives. See
* http://dinosaur.compilertools.net/flex/flex_12.html#SEC12.
*/
case 4:
YY_RULE_SETUP
#line 158 "zlexer.lex"
{
BEGIN(incl);
/* ignore case statement fallthrough on incl<EOF> flex rule */
}
YY_BREAK
case 5:
/* rule 5 can match eol */
#line 163 "zlexer.lex"
YY_RULE_SETUP
case YY_STATE_EOF(incl):
#line 163 "zlexer.lex"
{
int error_occurred = parser->error_occurred;
BEGIN(INITIAL);
zc_error("missing file name in $INCLUDE directive");
yy_set_bol(1); /* Set beginning of line, so "^" rules match. */
++parser->line;
parser->error_occurred = error_occurred;
}
YY_BREAK
case 6:
YY_RULE_SETUP
#line 171 "zlexer.lex"
{
char *tmp;
domain_type *origin = parser->origin;
int error_occurred = parser->error_occurred;
BEGIN(INITIAL);
if (include_stack_ptr >= MAXINCLUDES ) {
zc_error("includes nested too deeply, skipped (>%d)",
MAXINCLUDES);
} else {
FILE *input;
/* Remove trailing comment. */
tmp = strrchr(yytext, ';');
if (tmp) {
*tmp = '\0';
}
strip_string(yytext);
/* Parse origin for include file. */
tmp = strrchr(yytext, ' ');
if (!tmp) {
tmp = strrchr(yytext, '\t');
}
if (tmp) {
const dname_type *dname;
/* split the original yytext */
*tmp = '\0';
strip_string(yytext);
dname = dname_parse(parser->region, tmp + 1);
if (!dname) {
zc_error("incorrect include origin '%s'",
tmp + 1);
} else if (*(tmp + strlen(tmp + 1)) != '.') {
zc_error("$INCLUDE directive requires absolute domain name");
} else {
origin = domain_table_insert(
parser->db->domains, dname);
}
}
if (strlen(yytext) == 0) {
zc_error("missing file name in $INCLUDE directive");
} else if (!(input = fopen(yytext, "r"))) {
zc_error("cannot open include file '%s': %s",
yytext, strerror(errno));
} else {
/* Initialize parser for include file. */
char *filename = region_strdup(parser->region, yytext);
push_parser_state(input); /* Destroys yytext. */
parser->filename = filename;
parser->line = 1;
parser->origin = origin;
lexer_state = EXPECT_OWNER;
}
}
parser->error_occurred = error_occurred;
}
YY_BREAK
case YY_STATE_EOF(INITIAL):
#line 232 "zlexer.lex"
{
int eo = at_eof();
yy_set_bol(1); /* Set beginning of line, so "^" rules match. */
if (include_stack_ptr == 0) {
if(eo == NL)
return eo;
yyterminate();
} else {
fclose(yyin);
pop_parser_state();
if(eo == NL)
return eo;
}
}
YY_BREAK
case 7:
YY_RULE_SETUP
#line 246 "zlexer.lex"
{ zc_warning("Unknown directive: %s", yytext); }
YY_BREAK
case 8:
YY_RULE_SETUP
#line 247 "zlexer.lex"
{
LEXOUT((". "));
return parse_token('.', yytext, &lexer_state);
}
YY_BREAK
case 9:
YY_RULE_SETUP
#line 251 "zlexer.lex"
{
LEXOUT(("@ "));
return parse_token('@', yytext, &lexer_state);
}
YY_BREAK
case 10:
YY_RULE_SETUP
#line 255 "zlexer.lex"
{
LEXOUT(("\\# "));
return parse_token(URR, yytext, &lexer_state);
}
YY_BREAK
case 11:
/* rule 11 can match eol */
YY_RULE_SETUP
#line 259 "zlexer.lex"
{
++parser->line;
if (!paren_open) {
lexer_state = EXPECT_OWNER;
LEXOUT(("NL\n"));
return NL;
} else {
LEXOUT(("SP "));
return SP;
}
}
YY_BREAK
case 12:
YY_RULE_SETUP
#line 270 "zlexer.lex"
{
if (paren_open) {
zc_error("nested parentheses");
yyterminate();
}
LEXOUT(("( "));
paren_open = 1;
return SP;
}
YY_BREAK
case 13:
YY_RULE_SETUP
#line 279 "zlexer.lex"
{
if (!paren_open) {
zc_error("closing parentheses without opening parentheses");
yyterminate();
}
LEXOUT((") "));
paren_open = 0;
return SP;
}
YY_BREAK
case 14:
YY_RULE_SETUP
#line 288 "zlexer.lex"
{
if (!paren_open && lexer_state == EXPECT_OWNER) {
lexer_state = PARSING_TTL_CLASS_TYPE;
LEXOUT(("PREV "));
return PREV;
}
if (lexer_state == PARSING_OWNER) {
lexer_state = PARSING_TTL_CLASS_TYPE;
}
LEXOUT(("SP "));
return SP;
}
YY_BREAK
/* Bitlabels. Strip leading and ending brackets. */
case 15:
YY_RULE_SETUP
#line 302 "zlexer.lex"
{ BEGIN(bitlabel); }
YY_BREAK
case YY_STATE_EOF(bitlabel):
#line 303 "zlexer.lex"
{
zc_error("EOF inside bitlabel");
BEGIN(INITIAL);
yyrestart(yyin); /* this is so that lex does not give an internal err */
yyterminate();
}
YY_BREAK
case 16:
YY_RULE_SETUP
#line 309 "zlexer.lex"
{ yymore(); }
YY_BREAK
case 17:
/* rule 17 can match eol */
YY_RULE_SETUP
#line 310 "zlexer.lex"
{ ++parser->line; yymore(); }
YY_BREAK
case 18:
YY_RULE_SETUP
#line 311 "zlexer.lex"
{
BEGIN(INITIAL);
yytext[yyleng - 1] = '\0';
return parse_token(BITLAB, yytext, &lexer_state);
}
YY_BREAK
/* Quoted strings. Strip leading and ending quotes. */
case 19:
YY_RULE_SETUP
#line 318 "zlexer.lex"
{ BEGIN(quotedstring); LEXOUT(("\" ")); }
YY_BREAK
case YY_STATE_EOF(quotedstring):
#line 319 "zlexer.lex"
{
zc_error("EOF inside quoted string");
BEGIN(INITIAL);
yyrestart(yyin); /* this is so that lex does not give an internal err */
yyterminate();
}
YY_BREAK
case 20:
YY_RULE_SETUP
#line 325 "zlexer.lex"
{ LEXOUT(("QSTR ")); yymore(); }
YY_BREAK
case 21:
/* rule 21 can match eol */
YY_RULE_SETUP
#line 326 "zlexer.lex"
{ ++parser->line; yymore(); }
YY_BREAK
case 22:
YY_RULE_SETUP
#line 327 "zlexer.lex"
{
LEXOUT(("\" "));
BEGIN(INITIAL);
yytext[yyleng - 1] = '\0';
return parse_token(QSTR, yytext, &lexer_state);
}
YY_BREAK
case 23:
/* rule 23 can match eol */
YY_RULE_SETUP
#line 334 "zlexer.lex"
{
/* Any allowed word. */
return parse_token(STR, yytext, &lexer_state);
}
YY_BREAK
case 24:
YY_RULE_SETUP
#line 338 "zlexer.lex"
{
zc_error("unknown character '%c' (\\%03d) seen - is this a zonefile?",
(int) yytext[0], (int) yytext[0]);
}
YY_BREAK
case 25:
YY_RULE_SETUP
#line 342 "zlexer.lex"
ECHO;
YY_BREAK
#line 1246 "<stdout>"
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 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_LVALUE->yy_n_chars;
YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
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 ( yywrap( ) )
{
/* Note: because we've taken care in
* yy_get_next_buffer() to have set up
* yytext, 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 user's declarations */
} /* end of yylex */
/* 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)
{
char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
char *source = (yytext_ptr);
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_LVALUE;
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. */
yyrealloc( (void *) b->yy_ch_buf,
(yy_size_t) (b->yy_buf_size + 2) );
}
else
/* Can't grow it, we don't own it. */
b->yy_ch_buf = NULL;
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;
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;
if (((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
/* Extend the array by 50%, plus the number we really need. */
int new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc(
(void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, (yy_size_t) new_size );
if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
/* "- 2" to take care of EOB's */
YY_CURRENT_BUFFER_LVALUE->yy_buf_size = (int) (new_size - 2);
}
(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)
{
yy_state_type yy_current_state;
char *yy_cp;
yy_current_state = (yy_start);
yy_current_state += YY_AT_BOL();
for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
{
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 >= 70 )
yy_c = yy_meta[yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + 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 )
{
int yy_is_jam;
char *yy_cp = (yy_c_buf_p);
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 >= 70 )
yy_c = yy_meta[yy_c];
}
yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
yy_is_jam = (yy_current_state == 69);
return yy_is_jam ? 0 : yy_current_state;
}
#ifndef YY_NO_UNPUT
#endif
#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 = (int) ((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. */
yyrestart( yyin );
/*FALLTHROUGH*/
case EOB_ACT_END_OF_FILE:
{
if ( yywrap( ) )
return 0;
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 yytext */
(yy_hold_char) = *++(yy_c_buf_p);
YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n');
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 yyrestart (FILE * input_file )
{
if ( ! YY_CURRENT_BUFFER ){
yyensure_buffer_stack ();
YY_CURRENT_BUFFER_LVALUE =
yy_create_buffer( yyin, YY_BUF_SIZE );
}
yy_init_buffer( YY_CURRENT_BUFFER, input_file );
yy_load_buffer_state( );
}
/** Switch to a different input buffer.
* @param new_buffer The new input buffer.
*
*/
void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer )
{
/* TODO. We should be able to replace this entire function body
* with
* yypop_buffer_state();
* yypush_buffer_state(new_buffer);
*/
yyensure_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;
yy_load_buffer_state( );
/* We don't actually know whether we did this switch during
* EOF (yywrap()) processing, but the only time this flag
* is looked at is after yywrap() is called, so it's safe
* to go ahead and always set it.
*/
(yy_did_buffer_switch_on_eof) = 1;
}
static void yy_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;
yyin = 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 yy_create_buffer (FILE * file, int size )
{
YY_BUFFER_STATE b;
b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) );
if ( ! b )
YY_FATAL_ERROR( "out of dynamic memory in yy_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 *) yyalloc( (yy_size_t) (b->yy_buf_size + 2) );
if ( ! b->yy_ch_buf )
YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
b->yy_is_our_buffer = 1;
yy_init_buffer( b, file );
return b;
}
/** Destroy the buffer.
* @param b a buffer created with yy_create_buffer()
*
*/
void yy_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 )
yyfree( (void *) b->yy_ch_buf );
yyfree( (void *) b );
}
/* Initializes or reinitializes a buffer.
* This function is sometimes called more than once on the same buffer,
* such as during a yyrestart() or at EOF.
*/
static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file )
{
int oerrno = errno;
yy_flush_buffer( b );
b->yy_input_file = file;
b->yy_fill_buffer = 1;
/* If b is the current buffer, then yy_init_buffer was _probably_
* called from yyrestart() 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 yy_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 )
yy_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 yypush_buffer_state (YY_BUFFER_STATE new_buffer )
{
if (new_buffer == NULL)
return;
yyensure_buffer_stack();
/* This block is copied from yy_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 yy_switch_to_buffer. */
yy_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 yypop_buffer_state (void)
{
if (!YY_CURRENT_BUFFER)
return;
yy_delete_buffer(YY_CURRENT_BUFFER );
YY_CURRENT_BUFFER_LVALUE = NULL;
if ((yy_buffer_stack_top) > 0)
--(yy_buffer_stack_top);
if (YY_CURRENT_BUFFER) {
yy_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 yyensure_buffer_stack (void)
{
yy_size_t 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; /* After all that talk, this was set to 1 anyways... */
(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
(num_to_alloc * sizeof(struct yy_buffer_state*)
);
if ( ! (yy_buffer_stack) )
YY_FATAL_ERROR( "out of dynamic memory in yyensure_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. */
yy_size_t grow_size = 8 /* arbitrary grow size */;
num_to_alloc = (yy_buffer_stack_max) + grow_size;
(yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
((yy_buffer_stack),
num_to_alloc * sizeof(struct yy_buffer_state*)
);
if ( ! (yy_buffer_stack) )
YY_FATAL_ERROR( "out of dynamic memory in yyensure_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 yy_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 NULL;
b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) );
if ( ! b )
YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
b->yy_buf_size = (int) (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 = NULL;
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;
yy_switch_to_buffer( b );
return b;
}
/** Setup the input buffer state to scan a string. The next call to yylex() 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
* yy_scan_bytes() instead.
*/
YY_BUFFER_STATE yy_scan_string (const char * yystr )
{
return yy_scan_bytes( yystr, (int) strlen(yystr) );
}
/** Setup the input buffer state to scan the given bytes. The next call to yylex() 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 yy_scan_bytes (const 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 = (yy_size_t) (_yybytes_len + 2);
buf = (char *) yyalloc( n );
if ( ! buf )
YY_FATAL_ERROR( "out of dynamic memory in yy_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 = yy_scan_buffer( buf, n );
if ( ! b )
YY_FATAL_ERROR( "bad buffer in yy_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 yynoreturn yy_fatal_error (const char* msg )
{
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 yytext. */ \
int yyless_macro_arg = (n); \
YY_LESS_LINENO(yyless_macro_arg);\
yytext[yyleng] = (yy_hold_char); \
(yy_c_buf_p) = yytext + yyless_macro_arg; \
(yy_hold_char) = *(yy_c_buf_p); \
*(yy_c_buf_p) = '\0'; \
yyleng = yyless_macro_arg; \
} \
while ( 0 )
/* Accessor methods (get/set functions) to struct members. */
/** Get the current line number.
*
*/
int yyget_lineno (void)
{
return yylineno;
}
/** Get the input stream.
*
*/
FILE *yyget_in (void)
{
return yyin;
}
/** Get the output stream.
*
*/
FILE *yyget_out (void)
{
return yyout;
}
/** Get the length of the current token.
*
*/
int yyget_leng (void)
{
return yyleng;
}
/** Get the current token.
*
*/
char *yyget_text (void)
{
return yytext;
}
/** Set the current line number.
* @param _line_number line number
*
*/
void yyset_lineno (int _line_number )
{
yylineno = _line_number;
}
/** Set the input stream. This does not discard the current
* input buffer.
* @param _in_str A readable stream.
*
* @see yy_switch_to_buffer
*/
void yyset_in (FILE * _in_str )
{
yyin = _in_str ;
}
void yyset_out (FILE * _out_str )
{
yyout = _out_str ;
}
int yyget_debug (void)
{
return yy_flex_debug;
}
void yyset_debug (int _bdebug )
{
yy_flex_debug = _bdebug ;
}
static int yy_init_globals (void)
{
/* Initialization is the same as for the non-reentrant scanner.
* This function is called from yylex_destroy(), so don't allocate here.
*/
(yy_buffer_stack) = NULL;
(yy_buffer_stack_top) = 0;
(yy_buffer_stack_max) = 0;
(yy_c_buf_p) = NULL;
(yy_init) = 0;
(yy_start) = 0;
/* Defined in main.c */
#ifdef YY_STDINIT
yyin = stdin;
yyout = stdout;
#else
yyin = NULL;
yyout = NULL;
#endif
/* For future reference: Set errno on error, since we are called by
* yylex_init()
*/
return 0;
}
/* yylex_destroy is for both reentrant and non-reentrant scanners. */
int yylex_destroy (void)
{
/* Pop the buffer stack, destroying each element. */
while(YY_CURRENT_BUFFER){
yy_delete_buffer( YY_CURRENT_BUFFER );
YY_CURRENT_BUFFER_LVALUE = NULL;
yypop_buffer_state();
}
/* Destroy the stack itself. */
yyfree((yy_buffer_stack) );
(yy_buffer_stack) = NULL;
/* Reset the globals. This is important in a non-reentrant scanner so the next time
* yylex() is called, initialization will occur. */
yy_init_globals( );
return 0;
}
/*
* Internal utility routines.
*/
#ifndef yytext_ptr
static void yy_flex_strncpy (char* s1, const char * s2, int n )
{
int i;
for ( i = 0; i < n; ++i )
s1[i] = s2[i];
}
#endif
#ifdef YY_NEED_STRLEN
static int yy_flex_strlen (const char * s )
{
int n;
for ( n = 0; s[n]; ++n )
;
return n;
}
#endif
void *yyalloc (yy_size_t size )
{
return malloc(size);
}
void *yyrealloc (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 realloc(ptr, size);
}
void yyfree (void * ptr )
{
free( (char *) ptr ); /* see yyrealloc() for (char *) cast */
}
#define YYTABLES_NAME "yytables"
#line 342 "zlexer.lex"
/*
* Analyze "word" to see if it matches an RR type, possibly by using
* the "TYPExxx" notation. If it matches, the corresponding token is
* returned and the TYPE parameter is set to the RR type value.
*/
static int
rrtype_to_token(const char *word, uint16_t *type)
{
uint16_t t = rrtype_from_string(word);
if (t != 0) {
rrtype_descriptor_type *entry = rrtype_descriptor_by_type(t);
*type = t;
return entry->token;
}
return 0;
}
/*
* Remove \DDD constructs from the input. See RFC 1035, section 5.1.
*/
static size_t
zoctet(char *text)
{
/*
* s follows the string, p lags behind and rebuilds the new
* string
*/
char *s;
char *p;
for (s = p = text; *s; ++s, ++p) {
assert(p <= s);
if (s[0] != '\\') {
/* Ordinary character. */
*p = *s;
} else if (isdigit((unsigned char)s[1]) && isdigit((unsigned char)s[2]) && isdigit((unsigned char)s[3])) {
/* \DDD escape. */
int val = (hexdigit_to_int(s[1]) * 100 +
hexdigit_to_int(s[2]) * 10 +
hexdigit_to_int(s[3]));
if (0 <= val && val <= 255) {
s += 3;
*p = val;
} else {
zc_warning("text escape \\DDD overflow");
*p = *++s;
}
} else if (s[1] != '\0') {
/* \X where X is any character, keep X. */
*p = *++s;
} else {
/* Trailing backslash, ignore it. */
zc_warning("trailing backslash ignored");
--p;
}
}
*p = '\0';
return p - text;
}
static int
parse_token(int token, char *yytext, enum lexer_state *lexer_state)
{
size_t len;
char *str;
if (*lexer_state == EXPECT_OWNER) {
*lexer_state = PARSING_OWNER;
} else if (*lexer_state == PARSING_TTL_CLASS_TYPE) {
const char *t;
int token;
uint16_t rrclass;
/* type */
token = rrtype_to_token(yytext, &yylval.type);
if (token != 0) {
*lexer_state = PARSING_RDATA;
LEXOUT(("%d[%s] ", token, yytext));
return token;
}
/* class */
rrclass = rrclass_from_string(yytext);
if (rrclass != 0) {
yylval.klass = rrclass;
LEXOUT(("CLASS "));
return T_RRCLASS;
}
/* ttl */
yylval.ttl = strtottl(yytext, &t);
if (*t == '\0') {
LEXOUT(("TTL "));
return T_TTL;
}
}
str = region_strdup(parser->rr_region, yytext);
len = zoctet(str);
yylval.data.str = str;
yylval.data.len = len;
LEXOUT(("%d[%s] ", token, yytext));
return token;
}