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scyther/src/scanner.c

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#line 3 "<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 5
#define YY_FLEX_SUBMINOR_VERSION 31
#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
#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;
#endif /* ! C99 */
/* 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
#endif /* ! FLEXINT_H */
#ifdef __cplusplus
/* The "const" storage-class-modifier is valid. */
#define YY_USE_CONST
#else /* ! __cplusplus */
#if __STDC__
#define YY_USE_CONST
#endif /* __STDC__ */
#endif /* ! __cplusplus */
#ifdef YY_USE_CONST
#define yyconst const
#else
#define yyconst
#endif
/* Returned upon end-of-file. */
#define YY_NULL 0
/* Promotes a possibly negative, possibly signed char to an unsigned
* integer for use as an array index. If the signed char is negative,
* we want to instead treat it as an 8-bit unsigned char, hence the
* double cast.
*/
#define YY_SC_TO_UI(c) ((unsigned int) (unsigned 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
#define YY_BUF_SIZE 16384
#endif
#ifndef YY_TYPEDEF_YY_BUFFER_STATE
#define YY_TYPEDEF_YY_BUFFER_STATE
typedef struct yy_buffer_state *YY_BUFFER_STATE;
#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
/* Note: We specifically omit the test for yy_rule_can_match_eol because it requires
* access to the local variable yy_act. Since yyless() is a macro, it would break
* existing scanners that call yyless() from OUTSIDE yylex.
* One obvious solution it to make yy_act a global. I tried that, and saw
* a 5% performance hit in a non-yylineno scanner, because yy_act is
* normally declared as a register variable-- so it is not worth it.
*/
#define YY_LESS_LINENO(n) \
do { \
int yyl;\
for ( yyl = n; yyl < yyleng; ++yyl )\
if ( yytext[yyl] == '\n' )\
--yylineno;\
}while(0)
/* 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) )
/* The following is because we cannot portably get our hands on size_t
* (without autoconf's help, which isn't available because we want
* flex-generated scanners to compile on their own).
*/
#ifndef YY_TYPEDEF_YY_SIZE_T
#define YY_TYPEDEF_YY_SIZE_T
typedef unsigned int yy_size_t;
#endif
#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.
*/
yy_size_t 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 = 0; /**< 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 = (char *) 0;
static int yy_init = 1; /* 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 (yyconst char *yy_str);
YY_BUFFER_STATE yy_scan_bytes (yyconst 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 unsigned char YY_CHAR;
FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
typedef int yy_state_type;
extern int yylineno;
int yylineno = 1;
extern char *yytext;
#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 yy_fatal_error (yyconst 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; \
yyleng = (size_t) (yy_cp - yy_bp); \
(yy_hold_char) = *yy_cp; \
*yy_cp = '\0'; \
(yy_c_buf_p) = yy_cp;
#define YY_NUM_RULES 30
#define YY_END_OF_BUFFER 31
/* 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 yyconst flex_int16_t yy_accept[148] = { 0,
0, 0, 0, 0, 0, 0, 31, 29, 7, 6,
28, 9, 29, 29, 28, 28, 28, 28, 28, 28,
28, 28, 28, 28, 28, 3, 3, 2, 30, 4,
7, 28, 9, 5, 8, 28, 28, 28, 28, 28,
28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
28, 3, 3, 2, 4, 8, 28, 28, 28, 28,
28, 28, 28, 28, 28, 28, 28, 17, 28, 28,
28, 28, 28, 28, 14, 28, 28, 28, 28, 28,
28, 28, 28, 28, 12, 11, 28, 13, 28, 28,
28, 28, 16, 28, 15, 28, 28, 28, 28, 26,
28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
28, 28, 18, 28, 28, 28, 28, 28, 28, 28,
1, 28, 28, 28, 27, 28, 28, 28, 24, 28,
28, 10, 23, 28, 22, 28, 28, 28, 20, 28,
28, 28, 21, 28, 19, 25, 0
};
static yyconst flex_int32_t 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, 5, 6, 7, 1, 1, 1, 5, 1,
1, 8, 1, 1, 5, 1, 9, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 1, 11, 1,
1, 1, 1, 12, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
1, 1, 1, 5, 1, 1, 14, 15, 16, 17,
18, 19, 20, 21, 22, 15, 23, 24, 25, 26,
27, 28, 15, 29, 30, 31, 32, 33, 34, 15,
35, 15, 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 yyconst flex_int32_t yy_meta[36] = { 0,
1, 1, 2, 1, 3, 4, 1, 1, 1, 3,
1, 1, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3
};
static yyconst flex_int16_t yy_base[154] = { 0,
0, 0, 34, 35, 176, 175, 180, 183, 40, 43,
0, 0, 30, 0, 24, 147, 164, 151, 150, 146,
31, 32, 145, 26, 159, 0, 51, 183, 183, 161,
57, 0, 0, 183, 0, 157, 39, 144, 139, 39,
141, 140, 152, 141, 138, 50, 137, 130, 130, 142,
130, 0, 65, 183, 183, 0, 136, 129, 126, 139,
133, 129, 134, 117, 119, 132, 130, 0, 118, 129,
125, 114, 114, 113, 0, 116, 111, 108, 107, 118,
104, 106, 104, 106, 0, 0, 114, 0, 99, 99,
97, 97, 0, 100, 0, 104, 93, 107, 93, 0,
106, 90, 96, 101, 88, 82, 91, 88, 88, 95,
94, 84, 0, 96, 92, 77, 79, 84, 79, 88,
0, 80, 78, 72, 0, 82, 81, 68, 0, 66,
78, 0, 0, 76, 0, 68, 53, 39, 0, 56,
43, 39, 0, 42, 0, 0, 183, 76, 80, 59,
84, 88, 91
};
static yyconst flex_int16_t yy_def[154] = { 0,
147, 1, 148, 148, 149, 149, 147, 147, 147, 147,
150, 151, 147, 150, 150, 150, 150, 150, 150, 150,
150, 150, 150, 150, 150, 152, 152, 147, 147, 147,
147, 150, 151, 147, 153, 150, 150, 150, 150, 150,
150, 150, 150, 150, 150, 150, 150, 150, 150, 150,
150, 152, 152, 147, 147, 153, 150, 150, 150, 150,
150, 150, 150, 150, 150, 150, 150, 150, 150, 150,
150, 150, 150, 150, 150, 150, 150, 150, 150, 150,
150, 150, 150, 150, 150, 150, 150, 150, 150, 150,
150, 150, 150, 150, 150, 150, 150, 150, 150, 150,
150, 150, 150, 150, 150, 150, 150, 150, 150, 150,
150, 150, 150, 150, 150, 150, 150, 150, 150, 150,
150, 150, 150, 150, 150, 150, 150, 150, 150, 150,
150, 150, 150, 150, 150, 150, 150, 150, 150, 150,
150, 150, 150, 150, 150, 150, 0, 147, 147, 147,
147, 147, 147
};
static yyconst flex_int16_t yy_nxt[219] = { 0,
8, 9, 10, 9, 11, 8, 12, 8, 13, 11,
8, 14, 11, 11, 11, 15, 11, 11, 16, 11,
17, 18, 19, 11, 11, 11, 11, 20, 21, 22,
23, 24, 25, 11, 11, 27, 27, 34, 35, 28,
28, 31, 31, 31, 31, 31, 31, 36, 43, 46,
37, 49, 53, 47, 62, 50, 54, 44, 31, 31,
31, 32, 45, 58, 59, 69, 53, 146, 145, 144,
54, 63, 143, 142, 141, 70, 26, 26, 26, 26,
29, 29, 29, 29, 33, 140, 33, 33, 52, 52,
52, 56, 139, 56, 56, 138, 137, 136, 135, 134,
133, 132, 131, 130, 129, 128, 127, 126, 125, 124,
123, 122, 121, 120, 119, 118, 117, 116, 115, 114,
113, 112, 111, 110, 109, 108, 107, 106, 105, 104,
103, 102, 101, 100, 99, 98, 97, 96, 95, 94,
93, 92, 91, 90, 89, 88, 87, 86, 85, 84,
83, 82, 81, 80, 79, 78, 77, 76, 75, 74,
73, 72, 71, 68, 67, 66, 65, 64, 61, 60,
57, 55, 51, 48, 42, 41, 40, 39, 38, 147,
30, 30, 7, 147, 147, 147, 147, 147, 147, 147,
147, 147, 147, 147, 147, 147, 147, 147, 147, 147,
147, 147, 147, 147, 147, 147, 147, 147, 147, 147,
147, 147, 147, 147, 147, 147, 147, 147
};
static yyconst flex_int16_t yy_chk[219] = { 0,
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, 3, 4, 13, 13, 3,
4, 9, 9, 9, 10, 10, 10, 15, 21, 22,
15, 24, 27, 22, 40, 24, 27, 21, 31, 31,
31, 150, 21, 37, 37, 46, 53, 144, 142, 141,
53, 40, 140, 138, 137, 46, 148, 148, 148, 148,
149, 149, 149, 149, 151, 136, 151, 151, 152, 152,
152, 153, 134, 153, 153, 131, 130, 128, 127, 126,
124, 123, 122, 120, 119, 118, 117, 116, 115, 114,
112, 111, 110, 109, 108, 107, 106, 105, 104, 103,
102, 101, 99, 98, 97, 96, 94, 92, 91, 90,
89, 87, 84, 83, 82, 81, 80, 79, 78, 77,
76, 74, 73, 72, 71, 70, 69, 67, 66, 65,
64, 63, 62, 61, 60, 59, 58, 57, 51, 50,
49, 48, 47, 45, 44, 43, 42, 41, 39, 38,
36, 30, 25, 23, 20, 19, 18, 17, 16, 7,
6, 5, 147, 147, 147, 147, 147, 147, 147, 147,
147, 147, 147, 147, 147, 147, 147, 147, 147, 147,
147, 147, 147, 147, 147, 147, 147, 147, 147, 147,
147, 147, 147, 147, 147, 147, 147, 147
};
/* Table of booleans, true if rule could match eol. */
static yyconst flex_int32_t yy_rule_can_match_eol[31] = { 0,
0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
};
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
#define yymore() yymore_used_but_not_detected
#define YY_MORE_ADJ 0
#define YY_RESTORE_YY_MORE_OFFSET
char *yytext;
#line 1 "scanner.l"
#line 4 "scanner.l"
/* scanner for security protocols language */
#include <strings.h>
#include "pheading.h"
#include "tac.h"
#include "switches.h"
#include "error.h"
/* tokens for language */
#include "parser.h"
void mkname (char *name);
void mkval (void);
void mktext (void);
int yyerror (char *s);
Symbol mkstring (char *name);
struct stringlist
{
char *string;
struct stringlist *next;
};
typedef struct stringlist *Stringlist;
static Stringlist allocatedStrings = NULL;
int mylineno = 0;
/* the "incl" state is used for picking up the name of an include file
*/
#line 56 "scanner.l"
#define MAX_INCLUDE_DEPTH 10
YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH];
int include_stack_ptr = 0;
#line 595 "<stdout>"
#define INITIAL 0
#define incl 1
#define inclend 2
#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
/* 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
static void yyunput (int c, char *buf_ptr);
#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
#define YY_READ_BUF_SIZE 8192
#endif
/* Copy whatever the last rule matched to the standard output. */
#ifndef ECHO
/* This used to be an fputs(), but since the string might contain NUL's,
* we now use fwrite().
*/
#define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
#endif
/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
* is returned in "result".
*/
#ifndef YY_INPUT
#define YY_INPUT(buf,result,max_size) \
if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
{ \
int c = '*'; \
size_t 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 = fread(buf, 1, 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 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 61 "scanner.l"
#line 750 "<stdout>"
if ((yy_init))
{
(yy_init) = 0;
#ifdef YY_USER_INIT
YY_USER_INIT;
#endif
if (!(yy_start))
(yy_start) = 1; /* first start state */
if (!yyin)
yyin = stdin;
if (!yyout)
yyout = stdout;
if (!YY_CURRENT_BUFFER)
{
yyensure_buffer_stack ();
YY_CURRENT_BUFFER_LVALUE = yy_create_buffer (yyin, YY_BUF_SIZE);
}
yy_load_buffer_state ();
}
while (1) /* loops until end-of-file is reached */
{
yy_cp = (yy_c_buf_p);
/* Support of yytext. */
*yy_cp = (yy_hold_char);
/* yy_bp points to the position in yy_ch_buf of the start of
* the current run.
*/
yy_bp = yy_cp;
yy_current_state = (yy_start);
yy_match:
do
{
register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI (*yy_cp)];
if (yy_accept[yy_current_state])
{
(yy_last_accepting_state) = yy_current_state;
(yy_last_accepting_cpos) = yy_cp;
}
while (yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state)
{
yy_current_state = (int) yy_def[yy_current_state];
if (yy_current_state >= 148)
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] != 183);
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;
if (yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act])
{
int yyl;
for (yyl = 0; yyl < yyleng; ++yyl)
if (yytext[yyl] == '\n')
yylineno++;
;
}
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 62 "scanner.l"
BEGIN (incl);
YY_BREAK case 2:YY_RULE_SETUP
#line 63 "scanner.l"
/* eat the whitespace */
YY_BREAK case 3:
/* rule 3 can match eol */
YY_RULE_SETUP
#line 64 "scanner.l"
{ /* got the include file name */
if (include_stack_ptr >= MAX_INCLUDE_DEPTH)
{
printfstderr ("Includes nested too deeply");
exit (1);
}
include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER;
/* try to open, using scytherdirs environment variable as well. */
yyin = openFileSearch (yytext, NULL);
if (!yyin)
{
error ("could not open include file %s.", yytext);
}
yy_switch_to_buffer (yy_create_buffer (yyin, YY_BUF_SIZE));
BEGIN (INITIAL);
}
YY_BREAK case 4:YY_RULE_SETUP
#line 88 "scanner.l"
{ /* eat the closing things */
BEGIN (INITIAL);
}
YY_BREAK case YY_STATE_EOF (INITIAL):
#line 92 "scanner.l"
{
if (--include_stack_ptr < 0)
{
yyterminate ();
}
else
{
yy_delete_buffer (YY_CURRENT_BUFFER);
yy_switch_to_buffer (include_stack[include_stack_ptr]);
BEGIN (inclend);
}
}
YY_BREAK case 5:YY_RULE_SETUP
#line 107 "scanner.l"
{
register int c;
for (;;)
{
while ((c = input ()) != '*' && c != '\n' && c != EOF)
; /* eat up text of comment */
if (c == '*')
{
while ((c = input ()) == '*')
;
if (c == '/')
break; /* found the end */
}
if (c == '\n')
mylineno++;
if (c == EOF)
{
yyerror ("EOF in comment");
break;
}
}
}
YY_BREAK case 6:
/* rule 6 can match eol */
YY_RULE_SETUP
#line 134 "scanner.l"
{
mylineno++;
}
YY_BREAK case 7:
/* rule 7 can match eol */
YY_RULE_SETUP
#line 135 "scanner.l"
{
}
YY_BREAK case 8:YY_RULE_SETUP
#line 136 "scanner.l"
{
}
YY_BREAK case 9:YY_RULE_SETUP
#line 137 "scanner.l"
{
}
YY_BREAK case 10:YY_RULE_SETUP
#line 139 "scanner.l"
{
return PROTOCOL;
}
YY_BREAK case 11:YY_RULE_SETUP
#line 140 "scanner.l"
{
return ROLE;
}
YY_BREAK case 12:YY_RULE_SETUP
#line 141 "scanner.l"
{
return READT;
}
YY_BREAK case 13:YY_RULE_SETUP
#line 142 "scanner.l"
{
return SENDT;
}
YY_BREAK case 14:YY_RULE_SETUP
#line 143 "scanner.l"
{
return VAR;
}
YY_BREAK case 15:YY_RULE_SETUP
#line 144 "scanner.l"
{
return CONST;
}
YY_BREAK case 16:YY_RULE_SETUP
#line 145 "scanner.l"
{
return CLAIMT;
}
YY_BREAK case 17:YY_RULE_SETUP
#line 146 "scanner.l"
{
return RUN;
}
YY_BREAK case 18:YY_RULE_SETUP
#line 147 "scanner.l"
{
return SECRET;
}
YY_BREAK case 19:YY_RULE_SETUP
#line 148 "scanner.l"
{
return INVERSEKEYS;
}
YY_BREAK case 20:YY_RULE_SETUP
#line 149 "scanner.l"
{
return UNTRUSTED;
}
YY_BREAK case 21:YY_RULE_SETUP
#line 150 "scanner.l"
{
return COMPROMISED;
}
YY_BREAK case 22:YY_RULE_SETUP
#line 151 "scanner.l"
{
return USERTYPE;
}
YY_BREAK case 23:YY_RULE_SETUP
#line 152 "scanner.l"
{
return SINGULAR;
}
YY_BREAK case 24:YY_RULE_SETUP
#line 153 "scanner.l"
{
return FUNCTION;
}
YY_BREAK case 25:YY_RULE_SETUP
#line 154 "scanner.l"
{
return HASHFUNCTION;
}
YY_BREAK case 26:YY_RULE_SETUP
#line 155 "scanner.l"
{
return KNOWS;
}
YY_BREAK case 27:YY_RULE_SETUP
#line 156 "scanner.l"
{
return TRUSTED;
}
YY_BREAK case 28:YY_RULE_SETUP
#line 157 "scanner.l"
{
yylval.symb = mkstring (yytext);
return ID;
}
YY_BREAK case 29:YY_RULE_SETUP
#line 161 "scanner.l"
{
return yytext[0];
}
YY_BREAK case 30:YY_RULE_SETUP
#line 165 "scanner.l"
ECHO;
YY_BREAK
#line 1063 "<stdout>"
case YY_STATE_EOF (incl):
case YY_STATE_EOF (inclend):
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 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 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)
{
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. */
yyrealloc ((void *) b->yy_ch_buf, b->yy_buf_size + 2);
}
else
/* Can't grow it, we don't own it. */
b->yy_ch_buf = 0;
if (!b->yy_ch_buf)
YY_FATAL_ERROR ("fatal error - scanner input buffer overflow");
(yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
number_to_move - 1;
}
if (num_to_read > YY_READ_BUF_SIZE)
num_to_read = YY_READ_BUF_SIZE;
/* Read in more data. */
YY_INPUT ((&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
(yy_n_chars), num_to_read);
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
}
if ((yy_n_chars) == 0)
{
if (number_to_move == YY_MORE_ADJ)
{
ret_val = EOB_ACT_END_OF_FILE;
yyrestart (yyin);
}
else
{
ret_val = EOB_ACT_LAST_MATCH;
YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_EOF_PENDING;
}
}
else
ret_val = EOB_ACT_CONTINUE_SCAN;
(yy_n_chars) += number_to_move;
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] =
YY_END_OF_BUFFER_CHAR;
(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
return ret_val;
}
/* 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 >= 148)
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 >= 148)
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 == 147);
return yy_is_jam ? 0 : yy_current_state;
}
static void
yyunput (int c, register char *yy_bp)
{
register char *yy_cp;
yy_cp = (yy_c_buf_p);
/* undo effects of setting up yytext */
*yy_cp = (yy_hold_char);
if (yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2)
{ /* need to shift things up to make room */
/* +2 for EOB chars. */
register int number_to_move = (yy_n_chars) + 2;
register char *dest =
&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[YY_CURRENT_BUFFER_LVALUE->
yy_buf_size + 2];
register char *source =
&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
while (source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf)
*--dest = *--source;
yy_cp += (int) (dest - source);
yy_bp += (int) (dest - source);
YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
if (yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2)
YY_FATAL_ERROR ("flex scanner push-back overflow");
}
*--yy_cp = (char) c;
if (c == '\n')
{
--yylineno;
}
(yytext_ptr) = yy_bp;
(yy_hold_char) = *yy_cp;
(yy_c_buf_p) = yy_cp;
}
#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. */
yyrestart (yyin);
/*FALLTHROUGH*/ case EOB_ACT_END_OF_FILE:
{
if (yywrap ())
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 yytext */
(yy_hold_char) = *++(yy_c_buf_p);
if (c == '\n')
yylineno++;
;
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 (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);
}
#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 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)
{
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 **) yyalloc
(num_to_alloc * sizeof (struct yy_buffer_state *));
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 **) yyrealloc
((yy_buffer_stack), num_to_alloc * sizeof (struct yy_buffer_state *));
/* 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 0;
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 = 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;
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 str 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 (yyconst char *yy_str)
{
return yy_scan_bytes (yy_str, strlen (yy_str));
}
/** 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 bytes the byte buffer to scan
* @param 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 (yyconst char *bytes, int 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 = len + 2;
buf = (char *) yyalloc (n);
if (!buf)
YY_FATAL_ERROR ("out of dynamic memory in yy_scan_bytes()");
for (i = 0; i < len; ++i)
buf[i] = bytes[i];
buf[len] = buf[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
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 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
*
*/
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;
}
/* 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;
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 *
yyalloc (yy_size_t size)
{
return (void *) 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 (void *) realloc ((char *) ptr, size);
}
void
yyfree (void *ptr)
{
free ((char *) ptr); /* see yyrealloc() for (char *) cast */
}
#define YYTABLES_NAME "yytables"
#undef YY_NEW_FILE
#undef YY_FLUSH_BUFFER
#undef yy_set_bol
#undef yy_new_buffer
#undef yy_set_interactive
#undef yytext_ptr
#undef YY_DO_BEFORE_ACTION
#ifdef YY_DECL_IS_OURS
#undef YY_DECL_IS_OURS
#undef YY_DECL
#endif
#line 165 "scanner.l"
Symbol
mkstring (char *name)
{
Symbol t;
char *s;
Stringlist sl;
int len;
if ((t = lookup (name)) != NULL)
{
return t;
}
// make new name
len = strlen (name);
s = (char *) malloc (len + 1);
sl = (Stringlist) malloc (sizeof (struct stringlist));
strncpy (s, name, len);
sl->next = allocatedStrings;
allocatedStrings = sl;
sl->string = s;
s[len] = EOS;
t = get_symb ();
t->lineno = yylineno;
t->type = T_UNDEF;
t->text = s;
insert (t);
return t;
}
void
scanner_cleanup (void)
{
yy_delete_buffer (YY_CURRENT_BUFFER);
}
void
strings_cleanup (void)
{
Stringlist sl;
while (allocatedStrings != NULL)
{
sl = allocatedStrings;
allocatedStrings = sl->next;
free (sl->string);
free (sl);
}
}
int
yywrap (void)
{
/* signal true to let lex know that nothing else is coming */
return 1;
}
/*
void mkval(void);
void mktext(void);
*/
// vim:ft=lex:
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