3112 lines
82 KiB
C
3112 lines
82 KiB
C
#line 2 "yara_lexer.c"
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#line 4 "yara_lexer.c"
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#define YY_INT_ALIGNED short int
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/* A lexical scanner generated by flex */
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#define FLEX_SCANNER
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#define YY_FLEX_MAJOR_VERSION 2
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#define YY_FLEX_MINOR_VERSION 6
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#define YY_FLEX_SUBMINOR_VERSION 4
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#if YY_FLEX_SUBMINOR_VERSION > 0
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#define FLEX_BETA
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#endif
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#ifdef yyget_lval
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#define yyget_lval_ALREADY_DEFINED
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#else
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#define yyget_lval yyget_lval
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#endif
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#ifdef yyset_lval
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#define yyset_lval_ALREADY_DEFINED
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#else
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#define yyset_lval yyset_lval
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#endif
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/* First, we deal with platform-specific or compiler-specific issues. */
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/* begin standard C headers. */
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <stdlib.h>
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/* end standard C headers. */
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/* flex integer type definitions */
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#ifndef FLEXINT_H
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#define FLEXINT_H
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/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
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#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
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* if you want the limit (max/min) macros for int types.
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*/
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#ifndef __STDC_LIMIT_MACROS
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#define __STDC_LIMIT_MACROS 1
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#endif
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#include <inttypes.h>
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typedef int8_t flex_int8_t;
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typedef uint8_t flex_uint8_t;
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typedef int16_t flex_int16_t;
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typedef uint16_t flex_uint16_t;
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typedef int32_t flex_int32_t;
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typedef uint32_t flex_uint32_t;
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#else
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typedef signed char flex_int8_t;
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typedef short int flex_int16_t;
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typedef int flex_int32_t;
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typedef unsigned char flex_uint8_t;
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typedef unsigned short int flex_uint16_t;
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typedef unsigned int flex_uint32_t;
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/* Limits of integral types. */
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#ifndef INT8_MIN
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#define INT8_MIN (-128)
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#endif
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#ifndef INT16_MIN
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#define INT16_MIN (-32767-1)
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#endif
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#ifndef INT32_MIN
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#define INT32_MIN (-2147483647-1)
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#endif
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#ifndef INT8_MAX
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#define INT8_MAX (127)
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#endif
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#ifndef INT16_MAX
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#define INT16_MAX (32767)
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#endif
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#ifndef INT32_MAX
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#define INT32_MAX (2147483647)
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#endif
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#ifndef UINT8_MAX
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#define UINT8_MAX (255U)
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#endif
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#ifndef UINT16_MAX
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#define UINT16_MAX (65535U)
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#endif
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#ifndef UINT32_MAX
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#define UINT32_MAX (4294967295U)
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#endif
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#ifndef SIZE_MAX
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#define SIZE_MAX (~(size_t)0)
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#endif
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#endif /* ! C99 */
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#endif /* ! FLEXINT_H */
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/* begin standard C++ headers. */
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/* TODO: this is always defined, so inline it */
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#define yyconst const
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#if defined(__GNUC__) && __GNUC__ >= 3
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#define yynoreturn __attribute__((__noreturn__))
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#else
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#define yynoreturn
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#endif
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/* Returned upon end-of-file. */
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#define YY_NULL 0
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/* Promotes a possibly negative, possibly signed char to an
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* integer in range [0..255] for use as an array index.
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*/
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#define YY_SC_TO_UI(c) ((YY_CHAR) (c))
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/* An opaque pointer. */
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#ifndef YY_TYPEDEF_YY_SCANNER_T
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#define YY_TYPEDEF_YY_SCANNER_T
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typedef void* yyscan_t;
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#endif
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/* For convenience, these vars (plus the bison vars far below)
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are macros in the reentrant scanner. */
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#define yyin yyg->yyin_r
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#define yyout yyg->yyout_r
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#define yyextra yyg->yyextra_r
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#define yyleng yyg->yyleng_r
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#define yytext yyg->yytext_r
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#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)
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#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)
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#define yy_flex_debug yyg->yy_flex_debug_r
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/* Enter a start condition. This macro really ought to take a parameter,
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* but we do it the disgusting crufty way forced on us by the ()-less
|
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* definition of BEGIN.
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*/
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#define BEGIN yyg->yy_start = 1 + 2 *
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/* Translate the current start state into a value that can be later handed
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* to BEGIN to return to the state. The YYSTATE alias is for lex
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* compatibility.
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*/
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#define YY_START ((yyg->yy_start - 1) / 2)
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#define YYSTATE YY_START
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/* Action number for EOF rule of a given start state. */
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#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
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/* Special action meaning "start processing a new file". */
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#define YY_NEW_FILE yyrestart( yyin , yyscanner )
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#define YY_END_OF_BUFFER_CHAR 0
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/* Size of default input buffer. */
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#ifndef YY_BUF_SIZE
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#ifdef __ia64__
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/* On IA-64, the buffer size is 16k, not 8k.
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* Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
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* Ditto for the __ia64__ case accordingly.
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*/
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#define YY_BUF_SIZE 32768
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#else
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#define YY_BUF_SIZE 16384
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#endif /* __ia64__ */
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#endif
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/* The state buf must be large enough to hold one state per character in the main buffer.
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*/
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#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
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#ifndef YY_TYPEDEF_YY_BUFFER_STATE
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#define YY_TYPEDEF_YY_BUFFER_STATE
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typedef struct yy_buffer_state *YY_BUFFER_STATE;
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#endif
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#ifndef YY_TYPEDEF_YY_SIZE_T
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#define YY_TYPEDEF_YY_SIZE_T
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typedef size_t yy_size_t;
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#endif
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#define EOB_ACT_CONTINUE_SCAN 0
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#define EOB_ACT_END_OF_FILE 1
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#define EOB_ACT_LAST_MATCH 2
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/* Note: We specifically omit the test for yy_rule_can_match_eol because it requires
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* access to the local variable yy_act. Since yyless() is a macro, it would break
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* existing scanners that call yyless() from OUTSIDE yylex.
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* One obvious solution it to make yy_act a global. I tried that, and saw
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* a 5% performance hit in a non-yylineno scanner, because yy_act is
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* normally declared as a register variable-- so it is not worth it.
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*/
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#define YY_LESS_LINENO(n) \
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do { \
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int yyl;\
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for ( yyl = n; yyl < yyleng; ++yyl )\
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if ( yytext[yyl] == '\n' )\
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--yylineno;\
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}while(0)
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#define YY_LINENO_REWIND_TO(dst) \
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do {\
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const char *p;\
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for ( p = yy_cp-1; p >= (dst); --p)\
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if ( *p == '\n' )\
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--yylineno;\
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}while(0)
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/* Return all but the first "n" matched characters back to the input stream. */
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#define yyless(n) \
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do \
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{ \
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/* Undo effects of setting up yytext. */ \
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int yyless_macro_arg = (n); \
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YY_LESS_LINENO(yyless_macro_arg);\
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*yy_cp = yyg->yy_hold_char; \
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YY_RESTORE_YY_MORE_OFFSET \
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yyg->yy_c_buf_p = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
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YY_DO_BEFORE_ACTION; /* set up yytext again */ \
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} \
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while ( 0 )
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#define unput(c) yyunput( c, yyg->yytext_ptr , yyscanner )
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#ifndef YY_STRUCT_YY_BUFFER_STATE
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#define YY_STRUCT_YY_BUFFER_STATE
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struct yy_buffer_state
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{
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FILE *yy_input_file;
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char *yy_ch_buf; /* input buffer */
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char *yy_buf_pos; /* current position in input buffer */
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/* Size of input buffer in bytes, not including room for EOB
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* characters.
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*/
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int yy_buf_size;
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/* Number of characters read into yy_ch_buf, not including EOB
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* characters.
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*/
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int yy_n_chars;
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/* Whether we "own" the buffer - i.e., we know we created it,
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* and can realloc() it to grow it, and should free() it to
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* delete it.
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*/
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int yy_is_our_buffer;
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/* Whether this is an "interactive" input source; if so, and
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* if we're using stdio for input, then we want to use getc()
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* instead of fread(), to make sure we stop fetching input after
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* each newline.
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*/
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int yy_is_interactive;
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/* Whether we're considered to be at the beginning of a line.
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* If so, '^' rules will be active on the next match, otherwise
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* not.
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*/
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int yy_at_bol;
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int yy_bs_lineno; /**< The line count. */
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int yy_bs_column; /**< The column count. */
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/* Whether to try to fill the input buffer when we reach the
|
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* end of it.
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*/
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int yy_fill_buffer;
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int yy_buffer_status;
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#define YY_BUFFER_NEW 0
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#define YY_BUFFER_NORMAL 1
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/* When an EOF's been seen but there's still some text to process
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* then we mark the buffer as YY_EOF_PENDING, to indicate that we
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* shouldn't try reading from the input source any more. We might
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* still have a bunch of tokens to match, though, because of
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* possible backing-up.
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*
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* When we actually see the EOF, we change the status to "new"
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* (via yyrestart()), so that the user can continue scanning by
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* just pointing yyin at a new input file.
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*/
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#define YY_BUFFER_EOF_PENDING 2
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};
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#endif /* !YY_STRUCT_YY_BUFFER_STATE */
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/* We provide macros for accessing buffer states in case in the
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* future we want to put the buffer states in a more general
|
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* "scanner state".
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*
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* Returns the top of the stack, or NULL.
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*/
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#define YY_CURRENT_BUFFER ( yyg->yy_buffer_stack \
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? yyg->yy_buffer_stack[yyg->yy_buffer_stack_top] \
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: NULL)
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/* Same as previous macro, but useful when we know that the buffer stack is not
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* NULL or when we need an lvalue. For internal use only.
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*/
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#define YY_CURRENT_BUFFER_LVALUE yyg->yy_buffer_stack[yyg->yy_buffer_stack_top]
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void yyrestart ( FILE *input_file , yyscan_t yyscanner );
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void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer , yyscan_t yyscanner );
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YY_BUFFER_STATE yy_create_buffer ( FILE *file, int size , yyscan_t yyscanner );
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void yy_delete_buffer ( YY_BUFFER_STATE b , yyscan_t yyscanner );
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void yy_flush_buffer ( YY_BUFFER_STATE b , yyscan_t yyscanner );
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void yypush_buffer_state ( YY_BUFFER_STATE new_buffer , yyscan_t yyscanner );
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void yypop_buffer_state ( yyscan_t yyscanner );
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static void yyensure_buffer_stack ( yyscan_t yyscanner );
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static void yy_load_buffer_state ( yyscan_t yyscanner );
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static void yy_init_buffer ( YY_BUFFER_STATE b, FILE *file , yyscan_t yyscanner );
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#define YY_FLUSH_BUFFER yy_flush_buffer( YY_CURRENT_BUFFER , yyscanner)
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YY_BUFFER_STATE yy_scan_buffer ( char *base, yy_size_t size , yyscan_t yyscanner );
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YY_BUFFER_STATE yy_scan_string ( const char *yy_str , yyscan_t yyscanner );
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YY_BUFFER_STATE yy_scan_bytes ( const char *bytes, int len , yyscan_t yyscanner );
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void *yyalloc ( yy_size_t , yyscan_t yyscanner );
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void *yyrealloc ( void *, yy_size_t , yyscan_t yyscanner );
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void yyfree ( void * , yyscan_t yyscanner );
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#define yy_new_buffer yy_create_buffer
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#define yy_set_interactive(is_interactive) \
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{ \
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if ( ! YY_CURRENT_BUFFER ){ \
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yyensure_buffer_stack (yyscanner); \
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YY_CURRENT_BUFFER_LVALUE = \
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yy_create_buffer( yyin, YY_BUF_SIZE , yyscanner); \
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} \
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YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
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}
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#define yy_set_bol(at_bol) \
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{ \
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if ( ! YY_CURRENT_BUFFER ){\
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yyensure_buffer_stack (yyscanner); \
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YY_CURRENT_BUFFER_LVALUE = \
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yy_create_buffer( yyin, YY_BUF_SIZE , yyscanner); \
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} \
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YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
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}
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#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
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/* Begin user sect3 */
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#define yywrap(yyscanner) (/*CONSTCOND*/1)
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#define YY_SKIP_YYWRAP
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typedef flex_uint8_t YY_CHAR;
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typedef int yy_state_type;
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#define yytext_ptr yytext_r
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static yy_state_type yy_get_previous_state ( yyscan_t yyscanner );
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static yy_state_type yy_try_NUL_trans ( yy_state_type current_state , yyscan_t yyscanner);
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static int yy_get_next_buffer ( yyscan_t yyscanner );
|
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static void yynoreturn yy_fatal_error ( const char* msg , yyscan_t yyscanner );
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|
/* Done after the current pattern has been matched and before the
|
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* corresponding action - sets up yytext.
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|
*/
|
|
#define YY_DO_BEFORE_ACTION \
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yyg->yytext_ptr = yy_bp; \
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yyleng = (int) (yy_cp - yy_bp); \
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yyg->yy_hold_char = *yy_cp; \
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*yy_cp = '\0'; \
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yyg->yy_c_buf_p = yy_cp;
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#define YY_NUM_RULES 75
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|
#define YY_END_OF_BUFFER 76
|
|
/* 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[219] =
|
|
{ 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
76, 74, 73, 73, 74, 70, 51, 50, 71, 54,
|
|
54, 1, 74, 2, 52, 53, 53, 53, 53, 53,
|
|
53, 53, 53, 53, 53, 53, 53, 53, 53, 53,
|
|
53, 74, 62, 63, 56, 75, 68, 69, 65, 75,
|
|
47, 48, 44, 44, 6, 51, 49, 50, 42, 45,
|
|
54, 0, 0, 0, 7, 3, 5, 4, 8, 52,
|
|
53, 53, 53, 53, 24, 53, 53, 53, 53, 53,
|
|
53, 53, 53, 25, 53, 53, 53, 26, 23, 53,
|
|
53, 53, 53, 53, 53, 53, 0, 62, 64, 59,
|
|
|
|
60, 58, 57, 64, 68, 65, 65, 67, 66, 47,
|
|
43, 45, 54, 55, 29, 22, 30, 53, 53, 53,
|
|
53, 53, 28, 53, 53, 53, 53, 53, 53, 53,
|
|
53, 21, 53, 53, 53, 53, 53, 53, 53, 72,
|
|
0, 53, 53, 53, 53, 53, 53, 53, 53, 53,
|
|
53, 53, 53, 36, 53, 12, 53, 53, 11, 53,
|
|
27, 19, 53, 15, 61, 14, 53, 53, 53, 20,
|
|
53, 53, 53, 53, 53, 37, 38, 53, 53, 53,
|
|
53, 53, 53, 33, 53, 53, 53, 53, 53, 10,
|
|
41, 53, 53, 17, 53, 53, 34, 35, 53, 53,
|
|
|
|
53, 53, 53, 53, 39, 9, 13, 53, 40, 53,
|
|
32, 16, 0, 18, 53, 46, 31, 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, 5, 6, 7, 8, 1, 1, 1, 9,
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|
9, 10, 1, 1, 9, 1, 11, 12, 13, 14,
|
|
15, 16, 16, 17, 16, 18, 16, 1, 1, 19,
|
|
20, 21, 9, 22, 23, 24, 23, 23, 23, 23,
|
|
25, 25, 25, 25, 26, 25, 27, 25, 25, 25,
|
|
25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
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|
9, 28, 9, 1, 29, 1, 30, 31, 32, 33,
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|
34, 35, 36, 37, 38, 25, 25, 39, 40, 41,
|
|
42, 43, 25, 44, 45, 46, 47, 48, 49, 50,
|
|
51, 52, 53, 9, 54, 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[55] =
|
|
{ 0,
|
|
1, 2, 3, 1, 1, 4, 1, 1, 2, 5,
|
|
6, 7, 7, 7, 7, 7, 7, 7, 1, 1,
|
|
1, 1, 8, 8, 9, 10, 10, 11, 9, 8,
|
|
8, 8, 8, 8, 8, 9, 9, 9, 9, 9,
|
|
9, 9, 9, 9, 9, 9, 9, 9, 9, 10,
|
|
9, 9, 1, 1
|
|
} ;
|
|
|
|
static const flex_int16_t yy_base[238] =
|
|
{ 0,
|
|
0, 0, 52, 53, 54, 57, 350, 349, 344, 343,
|
|
352, 357, 357, 357, 331, 357, 0, 340, 51, 37,
|
|
40, 50, 329, 51, 0, 0, 38, 306, 306, 56,
|
|
307, 33, 58, 303, 56, 300, 296, 296, 52, 303,
|
|
302, 0, 0, 357, 357, 69, 0, 357, 57, 328,
|
|
0, 357, 357, 327, 357, 0, 357, 327, 357, 0,
|
|
0, 312, 311, 0, 357, 357, 357, 357, 357, 0,
|
|
0, 295, 60, 301, 0, 291, 285, 291, 290, 284,
|
|
288, 284, 282, 67, 278, 277, 72, 0, 0, 284,
|
|
282, 276, 285, 271, 276, 283, 261, 0, 357, 357,
|
|
|
|
357, 357, 357, 0, 0, 269, 357, 357, 357, 0,
|
|
357, 0, 357, 0, 0, 0, 0, 275, 68, 268,
|
|
266, 276, 0, 270, 277, 265, 267, 94, 273, 274,
|
|
273, 0, 254, 267, 262, 259, 264, 251, 262, 357,
|
|
0, 257, 256, 263, 241, 257, 245, 240, 258, 243,
|
|
239, 268, 270, 0, 246, 0, 237, 251, 0, 239,
|
|
0, 0, 107, 0, 357, 0, 233, 240, 234, 0,
|
|
238, 233, 235, 227, 239, 0, 0, 237, 236, 223,
|
|
218, 227, 218, 0, 187, 181, 160, 149, 152, 0,
|
|
0, 161, 149, 0, 148, 136, 0, 0, 133, 79,
|
|
|
|
85, 82, 75, 104, 0, 0, 0, 64, 0, 37,
|
|
0, 0, 115, 0, 30, 357, 0, 357, 125, 136,
|
|
147, 158, 163, 169, 173, 177, 181, 190, 198, 208,
|
|
219, 229, 240, 251, 256, 258, 260
|
|
} ;
|
|
|
|
static const flex_int16_t yy_def[238] =
|
|
{ 0,
|
|
218, 1, 219, 219, 220, 220, 221, 221, 222, 222,
|
|
218, 218, 218, 218, 218, 218, 223, 224, 218, 225,
|
|
225, 218, 218, 218, 226, 227, 227, 227, 227, 227,
|
|
227, 227, 227, 227, 227, 227, 227, 227, 227, 227,
|
|
227, 228, 229, 218, 218, 230, 231, 218, 218, 232,
|
|
233, 218, 218, 218, 218, 223, 218, 224, 218, 234,
|
|
21, 218, 218, 235, 218, 218, 218, 218, 218, 226,
|
|
227, 227, 227, 227, 227, 227, 227, 227, 227, 227,
|
|
227, 227, 227, 227, 227, 227, 227, 227, 227, 227,
|
|
227, 227, 227, 227, 227, 227, 228, 229, 218, 218,
|
|
|
|
218, 218, 218, 236, 231, 218, 218, 218, 218, 233,
|
|
218, 234, 218, 235, 227, 227, 227, 227, 227, 227,
|
|
227, 227, 227, 227, 227, 227, 227, 227, 227, 227,
|
|
227, 227, 227, 227, 227, 227, 227, 227, 227, 218,
|
|
237, 227, 227, 227, 227, 227, 227, 227, 227, 227,
|
|
227, 227, 227, 227, 227, 227, 227, 227, 227, 227,
|
|
227, 227, 227, 227, 218, 227, 227, 227, 227, 227,
|
|
227, 227, 227, 227, 227, 227, 227, 227, 227, 227,
|
|
227, 227, 227, 227, 227, 227, 227, 227, 227, 227,
|
|
227, 227, 227, 227, 227, 227, 227, 227, 227, 227,
|
|
|
|
227, 227, 227, 227, 227, 227, 227, 227, 227, 227,
|
|
227, 227, 218, 227, 227, 218, 227, 0, 218, 218,
|
|
218, 218, 218, 218, 218, 218, 218, 218, 218, 218,
|
|
218, 218, 218, 218, 218, 218, 218
|
|
} ;
|
|
|
|
static const flex_int16_t yy_nxt[412] =
|
|
{ 0,
|
|
12, 13, 14, 13, 15, 16, 17, 18, 12, 12,
|
|
19, 20, 21, 21, 21, 21, 21, 21, 22, 23,
|
|
24, 25, 26, 26, 26, 26, 26, 12, 26, 27,
|
|
26, 28, 26, 29, 30, 31, 26, 32, 26, 33,
|
|
34, 35, 36, 37, 38, 39, 40, 26, 41, 26,
|
|
26, 26, 42, 12, 44, 44, 48, 45, 45, 48,
|
|
59, 60, 62, 63, 49, 62, 63, 49, 65, 66,
|
|
68, 69, 83, 84, 100, 217, 72, 215, 73, 46,
|
|
46, 50, 74, 75, 50, 78, 64, 85, 93, 218,
|
|
88, 86, 116, 79, 106, 94, 101, 80, 127, 89,
|
|
|
|
143, 107, 81, 131, 214, 213, 152, 212, 153, 102,
|
|
117, 154, 128, 144, 103, 211, 213, 132, 104, 182,
|
|
216, 183, 210, 209, 184, 43, 43, 43, 43, 43,
|
|
43, 43, 43, 43, 43, 43, 47, 47, 47, 47,
|
|
47, 47, 47, 47, 47, 47, 47, 51, 51, 51,
|
|
51, 51, 51, 51, 51, 51, 51, 51, 53, 53,
|
|
53, 53, 53, 53, 53, 53, 53, 53, 53, 56,
|
|
56, 56, 56, 58, 208, 58, 58, 58, 58, 61,
|
|
207, 206, 61, 70, 70, 70, 70, 71, 71, 71,
|
|
71, 97, 97, 205, 204, 203, 97, 97, 98, 98,
|
|
|
|
202, 201, 98, 98, 98, 98, 98, 98, 99, 99,
|
|
99, 99, 99, 99, 99, 99, 99, 99, 99, 105,
|
|
105, 200, 105, 105, 199, 105, 105, 105, 105, 108,
|
|
108, 198, 108, 108, 108, 108, 108, 108, 108, 108,
|
|
110, 110, 110, 197, 110, 110, 110, 110, 110, 110,
|
|
110, 112, 112, 196, 112, 112, 112, 112, 112, 112,
|
|
112, 112, 114, 114, 141, 141, 165, 165, 195, 194,
|
|
193, 192, 191, 190, 189, 188, 187, 186, 185, 181,
|
|
180, 179, 178, 177, 176, 175, 174, 173, 172, 171,
|
|
170, 169, 168, 167, 166, 164, 163, 162, 161, 160,
|
|
|
|
159, 158, 157, 156, 155, 151, 150, 149, 148, 147,
|
|
146, 145, 142, 107, 140, 139, 138, 137, 136, 135,
|
|
134, 133, 130, 129, 126, 125, 124, 123, 122, 121,
|
|
120, 119, 118, 115, 113, 113, 57, 111, 109, 96,
|
|
95, 92, 91, 90, 87, 82, 77, 76, 67, 57,
|
|
55, 218, 54, 54, 52, 52, 11, 218, 218, 218,
|
|
218, 218, 218, 218, 218, 218, 218, 218, 218, 218,
|
|
218, 218, 218, 218, 218, 218, 218, 218, 218, 218,
|
|
218, 218, 218, 218, 218, 218, 218, 218, 218, 218,
|
|
218, 218, 218, 218, 218, 218, 218, 218, 218, 218,
|
|
|
|
218, 218, 218, 218, 218, 218, 218, 218, 218, 218,
|
|
218
|
|
} ;
|
|
|
|
static const flex_int16_t yy_chk[412] =
|
|
{ 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, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
|
|
1, 1, 1, 1, 3, 4, 5, 3, 4, 6,
|
|
19, 19, 20, 20, 5, 21, 21, 6, 22, 22,
|
|
24, 24, 32, 32, 46, 215, 27, 210, 27, 3,
|
|
4, 5, 27, 27, 6, 30, 20, 33, 39, 21,
|
|
35, 33, 73, 30, 49, 39, 46, 30, 84, 35,
|
|
|
|
119, 49, 30, 87, 208, 204, 128, 203, 128, 46,
|
|
73, 128, 84, 119, 46, 202, 213, 87, 46, 163,
|
|
213, 163, 201, 200, 163, 219, 219, 219, 219, 219,
|
|
219, 219, 219, 219, 219, 219, 220, 220, 220, 220,
|
|
220, 220, 220, 220, 220, 220, 220, 221, 221, 221,
|
|
221, 221, 221, 221, 221, 221, 221, 221, 222, 222,
|
|
222, 222, 222, 222, 222, 222, 222, 222, 222, 223,
|
|
223, 223, 223, 224, 199, 224, 224, 224, 224, 225,
|
|
196, 195, 225, 226, 226, 226, 226, 227, 227, 227,
|
|
227, 228, 228, 193, 192, 189, 228, 228, 229, 229,
|
|
|
|
188, 187, 229, 229, 229, 229, 229, 229, 230, 230,
|
|
230, 230, 230, 230, 230, 230, 230, 230, 230, 231,
|
|
231, 186, 231, 231, 185, 231, 231, 231, 231, 232,
|
|
232, 183, 232, 232, 232, 232, 232, 232, 232, 232,
|
|
233, 233, 233, 182, 233, 233, 233, 233, 233, 233,
|
|
233, 234, 234, 181, 234, 234, 234, 234, 234, 234,
|
|
234, 234, 235, 235, 236, 236, 237, 237, 180, 179,
|
|
178, 175, 174, 173, 172, 171, 169, 168, 167, 160,
|
|
158, 157, 155, 153, 152, 151, 150, 149, 148, 147,
|
|
146, 145, 144, 143, 142, 139, 138, 137, 136, 135,
|
|
|
|
134, 133, 131, 130, 129, 127, 126, 125, 124, 122,
|
|
121, 120, 118, 106, 97, 96, 95, 94, 93, 92,
|
|
91, 90, 86, 85, 83, 82, 81, 80, 79, 78,
|
|
77, 76, 74, 72, 63, 62, 58, 54, 50, 41,
|
|
40, 38, 37, 36, 34, 31, 29, 28, 23, 18,
|
|
15, 11, 10, 9, 8, 7, 218, 218, 218, 218,
|
|
218, 218, 218, 218, 218, 218, 218, 218, 218, 218,
|
|
218, 218, 218, 218, 218, 218, 218, 218, 218, 218,
|
|
218, 218, 218, 218, 218, 218, 218, 218, 218, 218,
|
|
218, 218, 218, 218, 218, 218, 218, 218, 218, 218,
|
|
|
|
218, 218, 218, 218, 218, 218, 218, 218, 218, 218,
|
|
218
|
|
} ;
|
|
|
|
/* Table of booleans, true if rule could match eol. */
|
|
static const flex_int32_t yy_rule_can_match_eol[76] =
|
|
{ 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 1, 1, 0, 0, 0, 0, 1, 0, 0, 1, 1, 0, 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
|
|
#line 1 "yara_lexer.l"
|
|
/*
|
|
* YARA rule lexer for ClamAV
|
|
*
|
|
* Copyright (C) 2014-2022 Cisco Systems, Inc. and/or its affiliates. All rights reserved.
|
|
*
|
|
* Authors: Steven Morgan
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it under
|
|
* the terms of the GNU General Public License version 2 as published by the
|
|
* Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program; if not, write to the Free Software Foundation, Inc., 51
|
|
* Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
/* This file was originally derived from yara 3.1.0 libyara/lexer.l and is
|
|
revised for running YARA rules in ClamAV. Following is the YARA copyright. */
|
|
/*
|
|
Copyright (c) 2007-2013. The YARA Authors. All Rights Reserved.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
/* Lexical analyzer for YARA */
|
|
#line 42 "yara_lexer.l"
|
|
|
|
#include <math.h>
|
|
#include <stdio.h>
|
|
#ifdef REAL_YARA
|
|
#include <stdint.h>
|
|
#endif
|
|
#include <string.h>
|
|
#include <setjmp.h>
|
|
|
|
#ifdef REAL_YARA
|
|
#include <yara/lexer.h>
|
|
#include <yara/rules.h>
|
|
#include <yara/sizedstr.h>
|
|
#include <yara/error.h>
|
|
#include <yara/mem.h>
|
|
#include <yara/utils.h>
|
|
|
|
#include "grammar.h"
|
|
#else
|
|
#include "others.h"
|
|
#include "yara_clam.h"
|
|
#include "yara_grammar.h"
|
|
#include "yara_lexer.h"
|
|
#endif
|
|
|
|
#define LEX_CHECK_SPACE_OK(data, current_size, max_length) \
|
|
if (strlen(data) + current_size >= max_length - 1) \
|
|
{ \
|
|
yyerror(yyscanner, compiler, "out of space in lex_buf"); \
|
|
yyterminate(); \
|
|
}
|
|
|
|
#define YYTEXT_TO_BUFFER \
|
|
{ \
|
|
char *yptr = yytext; \
|
|
LEX_CHECK_SPACE_OK(yptr, yyextra->lex_buf_len, LEX_BUF_SIZE); \
|
|
while(*yptr) \
|
|
{ \
|
|
*yyextra->lex_buf_ptr++ = *yptr++; \
|
|
yyextra->lex_buf_len++; \
|
|
} \
|
|
}
|
|
|
|
#ifdef _WIN32
|
|
#define snprintf _snprintf
|
|
#endif
|
|
|
|
#line 715 "yara_lexer.c"
|
|
#define YY_NO_UNISTD_H 1
|
|
#define YY_NO_INPUT 1
|
|
/* %option prefix="yara_yy" */
|
|
|
|
#line 720 "yara_lexer.c"
|
|
|
|
#define INITIAL 0
|
|
#define str 1
|
|
#define regexp 2
|
|
#define include 3
|
|
#define comment 4
|
|
|
|
#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
|
|
|
|
/* Holds the entire state of the reentrant scanner. */
|
|
struct yyguts_t
|
|
{
|
|
|
|
/* User-defined. Not touched by flex. */
|
|
YY_EXTRA_TYPE yyextra_r;
|
|
|
|
/* The rest are the same as the globals declared in the non-reentrant scanner. */
|
|
FILE *yyin_r, *yyout_r;
|
|
size_t yy_buffer_stack_top; /**< index of top of stack. */
|
|
size_t yy_buffer_stack_max; /**< capacity of stack. */
|
|
YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */
|
|
char yy_hold_char;
|
|
int yy_n_chars;
|
|
int yyleng_r;
|
|
char *yy_c_buf_p;
|
|
int yy_init;
|
|
int yy_start;
|
|
int yy_did_buffer_switch_on_eof;
|
|
int yy_start_stack_ptr;
|
|
int yy_start_stack_depth;
|
|
int *yy_start_stack;
|
|
yy_state_type yy_last_accepting_state;
|
|
char* yy_last_accepting_cpos;
|
|
|
|
int yylineno_r;
|
|
int yy_flex_debug_r;
|
|
|
|
char *yytext_r;
|
|
int yy_more_flag;
|
|
int yy_more_len;
|
|
|
|
YYSTYPE * yylval_r;
|
|
|
|
}; /* end struct yyguts_t */
|
|
|
|
static int yy_init_globals ( yyscan_t yyscanner );
|
|
|
|
/* This must go here because YYSTYPE and YYLTYPE are included
|
|
* from bison output in section 1.*/
|
|
# define yylval yyg->yylval_r
|
|
|
|
int yylex_init (yyscan_t* scanner);
|
|
|
|
int yylex_init_extra ( YY_EXTRA_TYPE user_defined, yyscan_t* scanner);
|
|
|
|
/* Accessor methods to globals.
|
|
These are made visible to non-reentrant scanners for convenience. */
|
|
|
|
int yylex_destroy ( yyscan_t yyscanner );
|
|
|
|
int yyget_debug ( yyscan_t yyscanner );
|
|
|
|
void yyset_debug ( int debug_flag , yyscan_t yyscanner );
|
|
|
|
YY_EXTRA_TYPE yyget_extra ( yyscan_t yyscanner );
|
|
|
|
void yyset_extra ( YY_EXTRA_TYPE user_defined , yyscan_t yyscanner );
|
|
|
|
FILE *yyget_in ( yyscan_t yyscanner );
|
|
|
|
void yyset_in ( FILE * _in_str , yyscan_t yyscanner );
|
|
|
|
FILE *yyget_out ( yyscan_t yyscanner );
|
|
|
|
void yyset_out ( FILE * _out_str , yyscan_t yyscanner );
|
|
|
|
int yyget_leng ( yyscan_t yyscanner );
|
|
|
|
char *yyget_text ( yyscan_t yyscanner );
|
|
|
|
int yyget_lineno ( yyscan_t yyscanner );
|
|
|
|
void yyset_lineno ( int _line_number , yyscan_t yyscanner );
|
|
|
|
int yyget_column ( yyscan_t yyscanner );
|
|
|
|
void yyset_column ( int _column_no , yyscan_t yyscanner );
|
|
|
|
YYSTYPE * yyget_lval ( yyscan_t yyscanner );
|
|
|
|
void yyset_lval ( YYSTYPE * yylval_param , yyscan_t yyscanner );
|
|
|
|
/* Macros after this point can all be overridden by user definitions in
|
|
* section 1.
|
|
*/
|
|
|
|
#ifndef YY_SKIP_YYWRAP
|
|
#ifdef __cplusplus
|
|
extern "C" int yywrap ( yyscan_t yyscanner );
|
|
#else
|
|
extern int yywrap ( yyscan_t yyscanner );
|
|
#endif
|
|
#endif
|
|
|
|
#ifndef YY_NO_UNPUT
|
|
|
|
#endif
|
|
|
|
#ifndef yytext_ptr
|
|
static void yy_flex_strncpy ( char *, const char *, int , yyscan_t yyscanner);
|
|
#endif
|
|
|
|
#ifdef YY_NEED_STRLEN
|
|
static int yy_flex_strlen ( const char * , yyscan_t yyscanner);
|
|
#endif
|
|
|
|
#ifndef YY_NO_INPUT
|
|
#ifdef __cplusplus
|
|
static int yyinput ( yyscan_t yyscanner );
|
|
#else
|
|
static int input ( yyscan_t yyscanner );
|
|
#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 , yyscanner)
|
|
#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 \
|
|
(YYSTYPE * yylval_param , yyscan_t yyscanner);
|
|
|
|
#define YY_DECL int yylex \
|
|
(YYSTYPE * yylval_param , yyscan_t yyscanner)
|
|
#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 \
|
|
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;
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
|
|
yylval = yylval_param;
|
|
|
|
if ( !yyg->yy_init )
|
|
{
|
|
yyg->yy_init = 1;
|
|
|
|
#ifdef YY_USER_INIT
|
|
YY_USER_INIT;
|
|
#endif
|
|
|
|
if ( ! yyg->yy_start )
|
|
yyg->yy_start = 1; /* first start state */
|
|
|
|
if ( ! yyin )
|
|
yyin = stdin;
|
|
|
|
if ( ! yyout )
|
|
yyout = stdout;
|
|
|
|
if ( ! YY_CURRENT_BUFFER ) {
|
|
yyensure_buffer_stack (yyscanner);
|
|
YY_CURRENT_BUFFER_LVALUE =
|
|
yy_create_buffer( yyin, YY_BUF_SIZE , yyscanner);
|
|
}
|
|
|
|
yy_load_buffer_state( yyscanner );
|
|
}
|
|
|
|
{
|
|
#line 112 "yara_lexer.l"
|
|
|
|
|
|
#line 999 "yara_lexer.c"
|
|
|
|
while ( /*CONSTCOND*/1 ) /* loops until end-of-file is reached */
|
|
{
|
|
yy_cp = yyg->yy_c_buf_p;
|
|
|
|
/* Support of yytext. */
|
|
*yy_cp = yyg->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 = yyg->yy_start;
|
|
yy_match:
|
|
do
|
|
{
|
|
YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ;
|
|
if ( yy_accept[yy_current_state] )
|
|
{
|
|
yyg->yy_last_accepting_state = yy_current_state;
|
|
yyg->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 >= 219 )
|
|
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] != 357 );
|
|
|
|
yy_find_action:
|
|
yy_act = yy_accept[yy_current_state];
|
|
if ( yy_act == 0 )
|
|
{ /* have to back up */
|
|
yy_cp = yyg->yy_last_accepting_cpos;
|
|
yy_current_state = yyg->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' )
|
|
|
|
do{ yylineno++;
|
|
yycolumn=0;
|
|
}while(0)
|
|
;
|
|
}
|
|
|
|
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 = yyg->yy_hold_char;
|
|
yy_cp = yyg->yy_last_accepting_cpos;
|
|
yy_current_state = yyg->yy_last_accepting_state;
|
|
goto yy_find_action;
|
|
|
|
case 1:
|
|
YY_RULE_SETUP
|
|
#line 114 "yara_lexer.l"
|
|
{ return _LT_; }
|
|
YY_BREAK
|
|
case 2:
|
|
YY_RULE_SETUP
|
|
#line 115 "yara_lexer.l"
|
|
{ return _GT_; }
|
|
YY_BREAK
|
|
case 3:
|
|
YY_RULE_SETUP
|
|
#line 116 "yara_lexer.l"
|
|
{ return _LE_; }
|
|
YY_BREAK
|
|
case 4:
|
|
YY_RULE_SETUP
|
|
#line 117 "yara_lexer.l"
|
|
{ return _GE_; }
|
|
YY_BREAK
|
|
case 5:
|
|
YY_RULE_SETUP
|
|
#line 118 "yara_lexer.l"
|
|
{ return _EQ_; }
|
|
YY_BREAK
|
|
case 6:
|
|
YY_RULE_SETUP
|
|
#line 119 "yara_lexer.l"
|
|
{ return _NEQ_; }
|
|
YY_BREAK
|
|
case 7:
|
|
YY_RULE_SETUP
|
|
#line 120 "yara_lexer.l"
|
|
{ return _SHIFT_LEFT_; }
|
|
YY_BREAK
|
|
case 8:
|
|
YY_RULE_SETUP
|
|
#line 121 "yara_lexer.l"
|
|
{ return _SHIFT_RIGHT_; }
|
|
YY_BREAK
|
|
case 9:
|
|
YY_RULE_SETUP
|
|
#line 122 "yara_lexer.l"
|
|
{ return _PRIVATE_; }
|
|
YY_BREAK
|
|
case 10:
|
|
YY_RULE_SETUP
|
|
#line 123 "yara_lexer.l"
|
|
{ return _GLOBAL_; }
|
|
YY_BREAK
|
|
case 11:
|
|
YY_RULE_SETUP
|
|
#line 124 "yara_lexer.l"
|
|
{ return _RULE_; }
|
|
YY_BREAK
|
|
case 12:
|
|
YY_RULE_SETUP
|
|
#line 125 "yara_lexer.l"
|
|
{ return _META_; }
|
|
YY_BREAK
|
|
case 13:
|
|
YY_RULE_SETUP
|
|
#line 126 "yara_lexer.l"
|
|
{ return _STRINGS_; }
|
|
YY_BREAK
|
|
case 14:
|
|
YY_RULE_SETUP
|
|
#line 127 "yara_lexer.l"
|
|
{ return _ASCII_; }
|
|
YY_BREAK
|
|
case 15:
|
|
YY_RULE_SETUP
|
|
#line 128 "yara_lexer.l"
|
|
{ return _WIDE_; }
|
|
YY_BREAK
|
|
case 16:
|
|
YY_RULE_SETUP
|
|
#line 129 "yara_lexer.l"
|
|
{ return _FULLWORD_; }
|
|
YY_BREAK
|
|
case 17:
|
|
YY_RULE_SETUP
|
|
#line 130 "yara_lexer.l"
|
|
{ return _NOCASE_; }
|
|
YY_BREAK
|
|
case 18:
|
|
YY_RULE_SETUP
|
|
#line 131 "yara_lexer.l"
|
|
{ return _CONDITION_; }
|
|
YY_BREAK
|
|
case 19:
|
|
YY_RULE_SETUP
|
|
#line 132 "yara_lexer.l"
|
|
{ return _TRUE_; }
|
|
YY_BREAK
|
|
case 20:
|
|
YY_RULE_SETUP
|
|
#line 133 "yara_lexer.l"
|
|
{ return _FALSE_; }
|
|
YY_BREAK
|
|
case 21:
|
|
YY_RULE_SETUP
|
|
#line 134 "yara_lexer.l"
|
|
{ return _NOT_; }
|
|
YY_BREAK
|
|
case 22:
|
|
YY_RULE_SETUP
|
|
#line 135 "yara_lexer.l"
|
|
{ return _AND_; }
|
|
YY_BREAK
|
|
case 23:
|
|
YY_RULE_SETUP
|
|
#line 136 "yara_lexer.l"
|
|
{ return _OR_; }
|
|
YY_BREAK
|
|
case 24:
|
|
YY_RULE_SETUP
|
|
#line 137 "yara_lexer.l"
|
|
{ return _AT_; }
|
|
YY_BREAK
|
|
case 25:
|
|
YY_RULE_SETUP
|
|
#line 138 "yara_lexer.l"
|
|
{ return _IN_; }
|
|
YY_BREAK
|
|
case 26:
|
|
YY_RULE_SETUP
|
|
#line 139 "yara_lexer.l"
|
|
{ return _OF_; }
|
|
YY_BREAK
|
|
case 27:
|
|
YY_RULE_SETUP
|
|
#line 140 "yara_lexer.l"
|
|
{ return _THEM_; }
|
|
YY_BREAK
|
|
case 28:
|
|
YY_RULE_SETUP
|
|
#line 141 "yara_lexer.l"
|
|
{ return _FOR_; }
|
|
YY_BREAK
|
|
case 29:
|
|
YY_RULE_SETUP
|
|
#line 142 "yara_lexer.l"
|
|
{ return _ALL_; }
|
|
YY_BREAK
|
|
case 30:
|
|
YY_RULE_SETUP
|
|
#line 143 "yara_lexer.l"
|
|
{ return _ANY_; }
|
|
YY_BREAK
|
|
case 31:
|
|
YY_RULE_SETUP
|
|
#line 144 "yara_lexer.l"
|
|
{ return _ENTRYPOINT_; }
|
|
YY_BREAK
|
|
case 32:
|
|
YY_RULE_SETUP
|
|
#line 145 "yara_lexer.l"
|
|
{ return _FILESIZE_; }
|
|
YY_BREAK
|
|
case 33:
|
|
YY_RULE_SETUP
|
|
#line 146 "yara_lexer.l"
|
|
{ return _UINT8_; }
|
|
YY_BREAK
|
|
case 34:
|
|
YY_RULE_SETUP
|
|
#line 147 "yara_lexer.l"
|
|
{ return _UINT16_; }
|
|
YY_BREAK
|
|
case 35:
|
|
YY_RULE_SETUP
|
|
#line 148 "yara_lexer.l"
|
|
{ return _UINT32_; }
|
|
YY_BREAK
|
|
case 36:
|
|
YY_RULE_SETUP
|
|
#line 149 "yara_lexer.l"
|
|
{ return _INT8_; }
|
|
YY_BREAK
|
|
case 37:
|
|
YY_RULE_SETUP
|
|
#line 150 "yara_lexer.l"
|
|
{ return _INT16_; }
|
|
YY_BREAK
|
|
case 38:
|
|
YY_RULE_SETUP
|
|
#line 151 "yara_lexer.l"
|
|
{ return _INT32_; }
|
|
YY_BREAK
|
|
case 39:
|
|
YY_RULE_SETUP
|
|
#line 152 "yara_lexer.l"
|
|
{ return _MATCHES_; }
|
|
YY_BREAK
|
|
case 40:
|
|
YY_RULE_SETUP
|
|
#line 153 "yara_lexer.l"
|
|
{ return _CONTAINS_; }
|
|
YY_BREAK
|
|
case 41:
|
|
YY_RULE_SETUP
|
|
#line 154 "yara_lexer.l"
|
|
{ return _IMPORT_; }
|
|
YY_BREAK
|
|
case 42:
|
|
YY_RULE_SETUP
|
|
#line 157 "yara_lexer.l"
|
|
{ BEGIN(comment); }
|
|
YY_BREAK
|
|
case 43:
|
|
YY_RULE_SETUP
|
|
#line 158 "yara_lexer.l"
|
|
{ BEGIN(INITIAL); }
|
|
YY_BREAK
|
|
case 44:
|
|
/* rule 44 can match eol */
|
|
YY_RULE_SETUP
|
|
#line 159 "yara_lexer.l"
|
|
{ /* skip comments */ }
|
|
YY_BREAK
|
|
case 45:
|
|
YY_RULE_SETUP
|
|
#line 162 "yara_lexer.l"
|
|
{ /* skip single-line comments */ }
|
|
YY_BREAK
|
|
case 46:
|
|
YY_RULE_SETUP
|
|
#line 165 "yara_lexer.l"
|
|
{
|
|
yyextra->lex_buf_ptr = yyextra->lex_buf;
|
|
yyextra->lex_buf_len = 0;
|
|
BEGIN(include);
|
|
}
|
|
YY_BREAK
|
|
case 47:
|
|
/* rule 47 can match eol */
|
|
YY_RULE_SETUP
|
|
#line 172 "yara_lexer.l"
|
|
{ YYTEXT_TO_BUFFER; }
|
|
YY_BREAK
|
|
case 48:
|
|
YY_RULE_SETUP
|
|
#line 175 "yara_lexer.l"
|
|
{
|
|
|
|
char buffer[1024];
|
|
char *current_file_name;
|
|
char *s = NULL;
|
|
char *b = NULL;
|
|
char *f;
|
|
FILE* fh;
|
|
|
|
if (compiler->allow_includes)
|
|
{
|
|
*yyextra->lex_buf_ptr = '\0'; // null-terminate included file path
|
|
|
|
// move path of current source file into buffer
|
|
current_file_name = yr_compiler_get_current_file_name(compiler);
|
|
|
|
if (current_file_name != NULL)
|
|
{
|
|
strlcpy(buffer, current_file_name, sizeof(buffer));
|
|
}
|
|
else
|
|
{
|
|
buffer[0] = '\0';
|
|
}
|
|
|
|
// make included file path relative to current source file
|
|
s = strrchr(buffer, '/');
|
|
|
|
#ifdef _WIN32
|
|
b = strrchr(buffer, '\\'); // in Windows both path delimiters are accepted
|
|
#endif
|
|
|
|
if (s != NULL || b != NULL)
|
|
{
|
|
f = (b > s)? (b + 1): (s + 1);
|
|
|
|
strlcpy(f, yyextra->lex_buf, sizeof(buffer) - (f - buffer));
|
|
|
|
f = buffer;
|
|
|
|
// SECURITY: Potential for directory traversal here.
|
|
fh = fopen(buffer, "r");
|
|
|
|
// if include file was not found relative to current source file,
|
|
// try to open it with path as specified by user (maybe user wrote
|
|
// a full path)
|
|
|
|
if (fh == NULL)
|
|
{
|
|
f = yyextra->lex_buf;
|
|
|
|
// SECURITY: Potential for directory traversal here.
|
|
fh = fopen(yyextra->lex_buf, "r");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
f = yyextra->lex_buf;
|
|
|
|
// SECURITY: Potential for directory traversal here.
|
|
fh = fopen(yyextra->lex_buf, "r");
|
|
}
|
|
|
|
if (fh != NULL)
|
|
{
|
|
int error_code = _yr_compiler_push_file_name(compiler, f);
|
|
|
|
if (error_code != ERROR_SUCCESS)
|
|
{
|
|
if (error_code == ERROR_INCLUDES_CIRCULAR_REFERENCE)
|
|
{
|
|
yyerror(yyscanner, compiler, "includes circular reference");
|
|
}
|
|
else if (error_code == ERROR_INCLUDE_DEPTH_EXCEEDED)
|
|
{
|
|
yyerror(yyscanner, compiler, "includes depth exceeded");
|
|
}
|
|
|
|
yyterminate();
|
|
}
|
|
|
|
_yr_compiler_push_file(compiler, fh);
|
|
yypush_buffer_state(
|
|
yy_create_buffer(fh, YY_BUF_SIZE, yyscanner), yyscanner);
|
|
}
|
|
else
|
|
{
|
|
snprintf(buffer, sizeof(buffer),
|
|
"can't open include file: %s", yyextra->lex_buf);
|
|
yyerror(yyscanner, compiler, buffer);
|
|
}
|
|
}
|
|
else // not allowing includes
|
|
{
|
|
yyerror(yyscanner, compiler, "includes are disabled");
|
|
yyterminate();
|
|
}
|
|
|
|
BEGIN(INITIAL);
|
|
}
|
|
YY_BREAK
|
|
case YY_STATE_EOF(INITIAL):
|
|
case YY_STATE_EOF(str):
|
|
case YY_STATE_EOF(regexp):
|
|
case YY_STATE_EOF(include):
|
|
case YY_STATE_EOF(comment):
|
|
#line 277 "yara_lexer.l"
|
|
{
|
|
|
|
YR_COMPILER* compiler = yyget_extra(yyscanner);
|
|
FILE* file = _yr_compiler_pop_file(compiler);
|
|
|
|
if (file != NULL)
|
|
{
|
|
fclose(file);
|
|
}
|
|
|
|
_yr_compiler_pop_file_name(compiler);
|
|
yypop_buffer_state(yyscanner);
|
|
|
|
if (!YY_CURRENT_BUFFER)
|
|
{
|
|
yyterminate();
|
|
}
|
|
}
|
|
YY_BREAK
|
|
case 49:
|
|
YY_RULE_SETUP
|
|
#line 297 "yara_lexer.l"
|
|
{
|
|
|
|
yylval->c_string = yr_strdup(yytext);
|
|
|
|
if (yylval->c_string == NULL)
|
|
{
|
|
yyerror(yyscanner, compiler, "not enough memory");
|
|
yyterminate();
|
|
}
|
|
|
|
return _STRING_IDENTIFIER_WITH_WILDCARD_;
|
|
}
|
|
YY_BREAK
|
|
case 50:
|
|
YY_RULE_SETUP
|
|
#line 311 "yara_lexer.l"
|
|
{
|
|
|
|
yylval->c_string = yr_strdup(yytext);
|
|
|
|
if (yylval->c_string == NULL)
|
|
{
|
|
yyerror(yyscanner, compiler, "not enough memory");
|
|
yyterminate();
|
|
}
|
|
|
|
return _STRING_IDENTIFIER_;
|
|
}
|
|
YY_BREAK
|
|
case 51:
|
|
YY_RULE_SETUP
|
|
#line 325 "yara_lexer.l"
|
|
{
|
|
|
|
yylval->c_string = yr_strdup(yytext);
|
|
|
|
if (yylval->c_string == NULL)
|
|
{
|
|
yyerror(yyscanner, compiler, "not enough memory");
|
|
yyterminate();
|
|
}
|
|
|
|
yylval->c_string[0] = '$'; /* replace # by $*/
|
|
return _STRING_COUNT_;
|
|
}
|
|
YY_BREAK
|
|
case 52:
|
|
YY_RULE_SETUP
|
|
#line 340 "yara_lexer.l"
|
|
{
|
|
|
|
yylval->c_string = yr_strdup(yytext);
|
|
|
|
if (yylval->c_string == NULL)
|
|
{
|
|
yyerror(yyscanner, compiler, "not enough memory");
|
|
yyterminate();
|
|
}
|
|
|
|
yylval->c_string[0] = '$'; /* replace @ by $*/
|
|
return _STRING_OFFSET_;
|
|
}
|
|
YY_BREAK
|
|
case 53:
|
|
YY_RULE_SETUP
|
|
#line 355 "yara_lexer.l"
|
|
{
|
|
|
|
if (strlen(yytext) > 128)
|
|
{
|
|
yyerror(yyscanner, compiler, "indentifier too long");
|
|
}
|
|
|
|
yylval->c_string = yr_strdup(yytext);
|
|
|
|
if (yylval->c_string == NULL)
|
|
{
|
|
yyerror(yyscanner, compiler, "not enough memory");
|
|
yyterminate();
|
|
}
|
|
return _IDENTIFIER_;
|
|
}
|
|
YY_BREAK
|
|
case 54:
|
|
YY_RULE_SETUP
|
|
#line 373 "yara_lexer.l"
|
|
{
|
|
|
|
yylval->integer = (size_t) atol(yytext);
|
|
|
|
if (strstr(yytext, "KB") != NULL)
|
|
{
|
|
yylval->integer *= 1024;
|
|
}
|
|
else if (strstr(yytext, "MB") != NULL)
|
|
{
|
|
yylval->integer *= 1048576;
|
|
}
|
|
return _NUMBER_;
|
|
}
|
|
YY_BREAK
|
|
case 55:
|
|
YY_RULE_SETUP
|
|
#line 389 "yara_lexer.l"
|
|
{
|
|
|
|
yylval->integer = xtoi(yytext + 2);
|
|
return _NUMBER_;
|
|
}
|
|
YY_BREAK
|
|
case 56:
|
|
YY_RULE_SETUP
|
|
#line 396 "yara_lexer.l"
|
|
{ /* saw closing quote - all done */
|
|
|
|
SIZED_STRING* s;
|
|
|
|
if (yyextra->lex_buf_len == 0)
|
|
{
|
|
yyerror(yyscanner, compiler, "empty string");
|
|
}
|
|
|
|
*yyextra->lex_buf_ptr = '\0';
|
|
|
|
BEGIN(INITIAL);
|
|
|
|
s = (SIZED_STRING*) yr_malloc(yyextra->lex_buf_len + sizeof(SIZED_STRING));
|
|
s->length = yyextra->lex_buf_len;
|
|
s->flags = 0;
|
|
|
|
memcpy(s->c_string, yyextra->lex_buf, yyextra->lex_buf_len + 1);
|
|
yylval->sized_string = s;
|
|
|
|
return _TEXT_STRING_;
|
|
}
|
|
YY_BREAK
|
|
case 57:
|
|
YY_RULE_SETUP
|
|
#line 420 "yara_lexer.l"
|
|
{
|
|
|
|
LEX_CHECK_SPACE_OK("\t", yyextra->lex_buf_len, LEX_BUF_SIZE);
|
|
*yyextra->lex_buf_ptr++ = '\t';
|
|
yyextra->lex_buf_len++;
|
|
}
|
|
YY_BREAK
|
|
case 58:
|
|
YY_RULE_SETUP
|
|
#line 428 "yara_lexer.l"
|
|
{
|
|
|
|
LEX_CHECK_SPACE_OK("\n", yyextra->lex_buf_len, LEX_BUF_SIZE);
|
|
*yyextra->lex_buf_ptr++ = '\n';
|
|
yyextra->lex_buf_len++;
|
|
}
|
|
YY_BREAK
|
|
case 59:
|
|
YY_RULE_SETUP
|
|
#line 436 "yara_lexer.l"
|
|
{
|
|
|
|
LEX_CHECK_SPACE_OK("\"", yyextra->lex_buf_len, LEX_BUF_SIZE);
|
|
*yyextra->lex_buf_ptr++ = '\"';
|
|
yyextra->lex_buf_len++;
|
|
}
|
|
YY_BREAK
|
|
case 60:
|
|
YY_RULE_SETUP
|
|
#line 444 "yara_lexer.l"
|
|
{
|
|
|
|
LEX_CHECK_SPACE_OK("\\", yyextra->lex_buf_len, LEX_BUF_SIZE);
|
|
*yyextra->lex_buf_ptr++ = '\\';
|
|
yyextra->lex_buf_len++;
|
|
}
|
|
YY_BREAK
|
|
case 61:
|
|
YY_RULE_SETUP
|
|
#line 452 "yara_lexer.l"
|
|
{
|
|
|
|
int result;
|
|
|
|
sscanf( yytext + 2, "%x", &result );
|
|
LEX_CHECK_SPACE_OK("X", yyextra->lex_buf_len, LEX_BUF_SIZE);
|
|
*yyextra->lex_buf_ptr++ = result;
|
|
yyextra->lex_buf_len++;
|
|
}
|
|
YY_BREAK
|
|
case 62:
|
|
YY_RULE_SETUP
|
|
#line 463 "yara_lexer.l"
|
|
{ YYTEXT_TO_BUFFER; }
|
|
YY_BREAK
|
|
case 63:
|
|
/* rule 63 can match eol */
|
|
YY_RULE_SETUP
|
|
#line 466 "yara_lexer.l"
|
|
{
|
|
|
|
yyerror(yyscanner, compiler, "unterminated string");
|
|
yyterminate();
|
|
}
|
|
YY_BREAK
|
|
case 64:
|
|
/* rule 64 can match eol */
|
|
YY_RULE_SETUP
|
|
#line 472 "yara_lexer.l"
|
|
{
|
|
|
|
yyerror(yyscanner, compiler, "illegal escape sequence");
|
|
}
|
|
YY_BREAK
|
|
case 65:
|
|
YY_RULE_SETUP
|
|
#line 478 "yara_lexer.l"
|
|
{
|
|
|
|
SIZED_STRING* s;
|
|
|
|
if (yyextra->lex_buf_len == 0)
|
|
{
|
|
yyerror(yyscanner, compiler, "empty regular expression");
|
|
}
|
|
|
|
*yyextra->lex_buf_ptr = '\0';
|
|
|
|
BEGIN(INITIAL);
|
|
|
|
s = (SIZED_STRING*) yr_malloc(yyextra->lex_buf_len + sizeof(SIZED_STRING));
|
|
s->flags = 0;
|
|
|
|
if (yytext[1] == 'i')
|
|
s->flags |= SIZED_STRING_FLAGS_NO_CASE;
|
|
|
|
if (yytext[1] == 's' || yytext[2] == 's')
|
|
s->flags |= SIZED_STRING_FLAGS_DOT_ALL;
|
|
|
|
s->length = yyextra->lex_buf_len;
|
|
strlcpy(s->c_string, yyextra->lex_buf, s->length + 1);
|
|
|
|
yylval->sized_string = s;
|
|
|
|
return _REGEXP_;
|
|
}
|
|
YY_BREAK
|
|
case 66:
|
|
YY_RULE_SETUP
|
|
#line 509 "yara_lexer.l"
|
|
{
|
|
|
|
LEX_CHECK_SPACE_OK("/", yyextra->lex_buf_len, LEX_BUF_SIZE);
|
|
*yyextra->lex_buf_ptr++ = '/';
|
|
yyextra->lex_buf_len++ ;
|
|
}
|
|
YY_BREAK
|
|
case 67:
|
|
YY_RULE_SETUP
|
|
#line 517 "yara_lexer.l"
|
|
{
|
|
|
|
LEX_CHECK_SPACE_OK("\\.", yyextra->lex_buf_len, LEX_BUF_SIZE);
|
|
*yyextra->lex_buf_ptr++ = yytext[0];
|
|
*yyextra->lex_buf_ptr++ = yytext[1];
|
|
yyextra->lex_buf_len += 2;
|
|
}
|
|
YY_BREAK
|
|
case 68:
|
|
YY_RULE_SETUP
|
|
#line 526 "yara_lexer.l"
|
|
{ YYTEXT_TO_BUFFER; }
|
|
YY_BREAK
|
|
case 69:
|
|
/* rule 69 can match eol */
|
|
YY_RULE_SETUP
|
|
#line 529 "yara_lexer.l"
|
|
{
|
|
|
|
yyerror(yyscanner, compiler, "unterminated regular expression");
|
|
yyterminate();
|
|
}
|
|
YY_BREAK
|
|
case 70:
|
|
YY_RULE_SETUP
|
|
#line 536 "yara_lexer.l"
|
|
{
|
|
|
|
yyextra->lex_buf_ptr = yyextra->lex_buf;
|
|
yyextra->lex_buf_len = 0;
|
|
BEGIN(str);
|
|
}
|
|
YY_BREAK
|
|
case 71:
|
|
YY_RULE_SETUP
|
|
#line 544 "yara_lexer.l"
|
|
{
|
|
|
|
yyextra->lex_buf_ptr = yyextra->lex_buf;
|
|
yyextra->lex_buf_len = 0;
|
|
BEGIN(regexp);
|
|
}
|
|
YY_BREAK
|
|
case 72:
|
|
/* rule 72 can match eol */
|
|
YY_RULE_SETUP
|
|
#line 552 "yara_lexer.l"
|
|
{
|
|
|
|
int len = strlen(yytext);
|
|
SIZED_STRING* s = (SIZED_STRING*) yr_malloc(len + sizeof(SIZED_STRING));
|
|
|
|
s->length = len;
|
|
s->flags = 0;
|
|
|
|
strlcpy(s->c_string, yytext, s->length + 1);
|
|
yylval->sized_string = s;
|
|
|
|
return _HEX_STRING_;
|
|
}
|
|
YY_BREAK
|
|
case 73:
|
|
/* rule 73 can match eol */
|
|
YY_RULE_SETUP
|
|
#line 567 "yara_lexer.l"
|
|
/* skip whitespace */
|
|
YY_BREAK
|
|
case 74:
|
|
YY_RULE_SETUP
|
|
#line 569 "yara_lexer.l"
|
|
{
|
|
|
|
if (yytext[0] >= 32 && yytext[0] < 127)
|
|
{
|
|
return yytext[0];
|
|
}
|
|
else
|
|
{
|
|
yyerror(yyscanner, compiler, "non-ascii character");
|
|
yyterminate();
|
|
}
|
|
}
|
|
YY_BREAK
|
|
case 75:
|
|
YY_RULE_SETUP
|
|
#line 582 "yara_lexer.l"
|
|
ECHO;
|
|
YY_BREAK
|
|
#line 1788 "yara_lexer.c"
|
|
|
|
case YY_END_OF_BUFFER:
|
|
{
|
|
/* Amount of text matched not including the EOB char. */
|
|
int yy_amount_of_matched_text = (int) (yy_cp - yyg->yytext_ptr) - 1;
|
|
|
|
/* Undo the effects of YY_DO_BEFORE_ACTION. */
|
|
*yy_cp = yyg->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.
|
|
*/
|
|
yyg->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 ( yyg->yy_c_buf_p <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] )
|
|
{ /* This was really a NUL. */
|
|
yy_state_type yy_next_state;
|
|
|
|
yyg->yy_c_buf_p = yyg->yytext_ptr + yy_amount_of_matched_text;
|
|
|
|
yy_current_state = yy_get_previous_state( yyscanner );
|
|
|
|
/* 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 , yyscanner);
|
|
|
|
yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
|
|
|
|
if ( yy_next_state )
|
|
{
|
|
/* Consume the NUL. */
|
|
yy_cp = ++yyg->yy_c_buf_p;
|
|
yy_current_state = yy_next_state;
|
|
goto yy_match;
|
|
}
|
|
|
|
else
|
|
{
|
|
yy_cp = yyg->yy_c_buf_p;
|
|
goto yy_find_action;
|
|
}
|
|
}
|
|
|
|
else switch ( yy_get_next_buffer( yyscanner ) )
|
|
{
|
|
case EOB_ACT_END_OF_FILE:
|
|
{
|
|
yyg->yy_did_buffer_switch_on_eof = 0;
|
|
|
|
if ( yywrap( yyscanner ) )
|
|
{
|
|
/* 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.
|
|
*/
|
|
yyg->yy_c_buf_p = yyg->yytext_ptr + YY_MORE_ADJ;
|
|
|
|
yy_act = YY_STATE_EOF(YY_START);
|
|
goto do_action;
|
|
}
|
|
|
|
else
|
|
{
|
|
if ( ! yyg->yy_did_buffer_switch_on_eof )
|
|
YY_NEW_FILE;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case EOB_ACT_CONTINUE_SCAN:
|
|
yyg->yy_c_buf_p =
|
|
yyg->yytext_ptr + yy_amount_of_matched_text;
|
|
|
|
yy_current_state = yy_get_previous_state( yyscanner );
|
|
|
|
yy_cp = yyg->yy_c_buf_p;
|
|
yy_bp = yyg->yytext_ptr + YY_MORE_ADJ;
|
|
goto yy_match;
|
|
|
|
case EOB_ACT_LAST_MATCH:
|
|
yyg->yy_c_buf_p =
|
|
&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars];
|
|
|
|
yy_current_state = yy_get_previous_state( yyscanner );
|
|
|
|
yy_cp = yyg->yy_c_buf_p;
|
|
yy_bp = yyg->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 (yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
|
|
char *source = yyg->yytext_ptr;
|
|
int number_to_move, i;
|
|
int ret_val;
|
|
|
|
if ( yyg->yy_c_buf_p > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->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 ( yyg->yy_c_buf_p - yyg->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) (yyg->yy_c_buf_p - yyg->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 = yyg->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) (yyg->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) , yyscanner );
|
|
}
|
|
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" );
|
|
|
|
yyg->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]),
|
|
yyg->yy_n_chars, num_to_read );
|
|
|
|
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
|
|
}
|
|
|
|
if ( yyg->yy_n_chars == 0 )
|
|
{
|
|
if ( number_to_move == YY_MORE_ADJ )
|
|
{
|
|
ret_val = EOB_ACT_END_OF_FILE;
|
|
yyrestart( yyin , yyscanner);
|
|
}
|
|
|
|
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 ((yyg->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 = yyg->yy_n_chars + number_to_move + (yyg->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 , yyscanner );
|
|
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);
|
|
}
|
|
|
|
yyg->yy_n_chars += number_to_move;
|
|
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] = YY_END_OF_BUFFER_CHAR;
|
|
YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
|
|
|
|
yyg->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 (yyscan_t yyscanner)
|
|
{
|
|
yy_state_type yy_current_state;
|
|
char *yy_cp;
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
|
|
yy_current_state = yyg->yy_start;
|
|
|
|
for ( yy_cp = yyg->yytext_ptr + YY_MORE_ADJ; yy_cp < yyg->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] )
|
|
{
|
|
yyg->yy_last_accepting_state = yy_current_state;
|
|
yyg->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 >= 219 )
|
|
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 , yyscan_t yyscanner)
|
|
{
|
|
int yy_is_jam;
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner; /* This var may be unused depending upon options. */
|
|
char *yy_cp = yyg->yy_c_buf_p;
|
|
|
|
YY_CHAR yy_c = 1;
|
|
if ( yy_accept[yy_current_state] )
|
|
{
|
|
yyg->yy_last_accepting_state = yy_current_state;
|
|
yyg->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 >= 219 )
|
|
yy_c = yy_meta[yy_c];
|
|
}
|
|
yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c];
|
|
yy_is_jam = (yy_current_state == 218);
|
|
|
|
(void)yyg;
|
|
return yy_is_jam ? 0 : yy_current_state;
|
|
}
|
|
|
|
#ifndef YY_NO_UNPUT
|
|
|
|
#endif
|
|
|
|
#ifndef YY_NO_INPUT
|
|
#ifdef __cplusplus
|
|
static int yyinput (yyscan_t yyscanner)
|
|
#else
|
|
static int input (yyscan_t yyscanner)
|
|
#endif
|
|
|
|
{
|
|
int c;
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
|
|
*yyg->yy_c_buf_p = yyg->yy_hold_char;
|
|
|
|
if ( *yyg->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 ( yyg->yy_c_buf_p < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[yyg->yy_n_chars] )
|
|
/* This was really a NUL. */
|
|
*yyg->yy_c_buf_p = '\0';
|
|
|
|
else
|
|
{ /* need more input */
|
|
int offset = (int) (yyg->yy_c_buf_p - yyg->yytext_ptr);
|
|
++yyg->yy_c_buf_p;
|
|
|
|
switch ( yy_get_next_buffer( yyscanner ) )
|
|
{
|
|
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 , yyscanner);
|
|
|
|
/*FALLTHROUGH*/
|
|
|
|
case EOB_ACT_END_OF_FILE:
|
|
{
|
|
if ( yywrap( yyscanner ) )
|
|
return 0;
|
|
|
|
if ( ! yyg->yy_did_buffer_switch_on_eof )
|
|
YY_NEW_FILE;
|
|
#ifdef __cplusplus
|
|
return yyinput(yyscanner);
|
|
#else
|
|
return input(yyscanner);
|
|
#endif
|
|
}
|
|
|
|
case EOB_ACT_CONTINUE_SCAN:
|
|
yyg->yy_c_buf_p = yyg->yytext_ptr + offset;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
c = *(unsigned char *) yyg->yy_c_buf_p; /* cast for 8-bit char's */
|
|
*yyg->yy_c_buf_p = '\0'; /* preserve yytext */
|
|
yyg->yy_hold_char = *++yyg->yy_c_buf_p;
|
|
|
|
if ( c == '\n' )
|
|
|
|
do{ yylineno++;
|
|
yycolumn=0;
|
|
}while(0)
|
|
;
|
|
|
|
return c;
|
|
}
|
|
#endif /* ifndef YY_NO_INPUT */
|
|
|
|
/** Immediately switch to a different input stream.
|
|
* @param input_file A readable stream.
|
|
* @param yyscanner The scanner object.
|
|
* @note This function does not reset the start condition to @c INITIAL .
|
|
*/
|
|
void yyrestart (FILE * input_file , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
|
|
if ( ! YY_CURRENT_BUFFER ){
|
|
yyensure_buffer_stack (yyscanner);
|
|
YY_CURRENT_BUFFER_LVALUE =
|
|
yy_create_buffer( yyin, YY_BUF_SIZE , yyscanner);
|
|
}
|
|
|
|
yy_init_buffer( YY_CURRENT_BUFFER, input_file , yyscanner);
|
|
yy_load_buffer_state( yyscanner );
|
|
}
|
|
|
|
/** Switch to a different input buffer.
|
|
* @param new_buffer The new input buffer.
|
|
* @param yyscanner The scanner object.
|
|
*/
|
|
void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
|
|
/* TODO. We should be able to replace this entire function body
|
|
* with
|
|
* yypop_buffer_state();
|
|
* yypush_buffer_state(new_buffer);
|
|
*/
|
|
yyensure_buffer_stack (yyscanner);
|
|
if ( YY_CURRENT_BUFFER == new_buffer )
|
|
return;
|
|
|
|
if ( YY_CURRENT_BUFFER )
|
|
{
|
|
/* Flush out information for old buffer. */
|
|
*yyg->yy_c_buf_p = yyg->yy_hold_char;
|
|
YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
|
|
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
|
|
}
|
|
|
|
YY_CURRENT_BUFFER_LVALUE = new_buffer;
|
|
yy_load_buffer_state( yyscanner );
|
|
|
|
/* 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.
|
|
*/
|
|
yyg->yy_did_buffer_switch_on_eof = 1;
|
|
}
|
|
|
|
static void yy_load_buffer_state (yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
yyg->yy_n_chars = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
|
|
yyg->yytext_ptr = yyg->yy_c_buf_p = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
|
|
yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
|
|
yyg->yy_hold_char = *yyg->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.
|
|
* @param yyscanner The scanner object.
|
|
* @return the allocated buffer state.
|
|
*/
|
|
YY_BUFFER_STATE yy_create_buffer (FILE * file, int size , yyscan_t yyscanner)
|
|
{
|
|
YY_BUFFER_STATE b;
|
|
|
|
b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) , yyscanner );
|
|
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) , yyscanner );
|
|
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 , yyscanner);
|
|
|
|
return b;
|
|
}
|
|
|
|
/** Destroy the buffer.
|
|
* @param b a buffer created with yy_create_buffer()
|
|
* @param yyscanner The scanner object.
|
|
*/
|
|
void yy_delete_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
|
|
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 , yyscanner );
|
|
|
|
yyfree( (void *) b , yyscanner );
|
|
}
|
|
|
|
/* 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 , yyscan_t yyscanner)
|
|
|
|
{
|
|
int oerrno = errno;
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
|
|
yy_flush_buffer( b , yyscanner);
|
|
|
|
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.
|
|
* @param yyscanner The scanner object.
|
|
*/
|
|
void yy_flush_buffer (YY_BUFFER_STATE b , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
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( yyscanner );
|
|
}
|
|
|
|
/** 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.
|
|
* @param yyscanner The scanner object.
|
|
*/
|
|
void yypush_buffer_state (YY_BUFFER_STATE new_buffer , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
if (new_buffer == NULL)
|
|
return;
|
|
|
|
yyensure_buffer_stack(yyscanner);
|
|
|
|
/* This block is copied from yy_switch_to_buffer. */
|
|
if ( YY_CURRENT_BUFFER )
|
|
{
|
|
/* Flush out information for old buffer. */
|
|
*yyg->yy_c_buf_p = yyg->yy_hold_char;
|
|
YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = yyg->yy_c_buf_p;
|
|
YY_CURRENT_BUFFER_LVALUE->yy_n_chars = yyg->yy_n_chars;
|
|
}
|
|
|
|
/* Only push if top exists. Otherwise, replace top. */
|
|
if (YY_CURRENT_BUFFER)
|
|
yyg->yy_buffer_stack_top++;
|
|
YY_CURRENT_BUFFER_LVALUE = new_buffer;
|
|
|
|
/* copied from yy_switch_to_buffer. */
|
|
yy_load_buffer_state( yyscanner );
|
|
yyg->yy_did_buffer_switch_on_eof = 1;
|
|
}
|
|
|
|
/** Removes and deletes the top of the stack, if present.
|
|
* The next element becomes the new top.
|
|
* @param yyscanner The scanner object.
|
|
*/
|
|
void yypop_buffer_state (yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
if (!YY_CURRENT_BUFFER)
|
|
return;
|
|
|
|
yy_delete_buffer(YY_CURRENT_BUFFER , yyscanner);
|
|
YY_CURRENT_BUFFER_LVALUE = NULL;
|
|
if (yyg->yy_buffer_stack_top > 0)
|
|
--yyg->yy_buffer_stack_top;
|
|
|
|
if (YY_CURRENT_BUFFER) {
|
|
yy_load_buffer_state( yyscanner );
|
|
yyg->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 (yyscan_t yyscanner)
|
|
{
|
|
yy_size_t num_to_alloc;
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
|
|
if (!yyg->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... */
|
|
yyg->yy_buffer_stack = (struct yy_buffer_state**)yyalloc
|
|
(num_to_alloc * sizeof(struct yy_buffer_state*)
|
|
, yyscanner);
|
|
if ( ! yyg->yy_buffer_stack )
|
|
YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
|
|
|
|
memset(yyg->yy_buffer_stack, 0, num_to_alloc * sizeof(struct yy_buffer_state*));
|
|
|
|
yyg->yy_buffer_stack_max = num_to_alloc;
|
|
yyg->yy_buffer_stack_top = 0;
|
|
return;
|
|
}
|
|
|
|
if (yyg->yy_buffer_stack_top >= (yyg->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 = yyg->yy_buffer_stack_max + grow_size;
|
|
yyg->yy_buffer_stack = (struct yy_buffer_state**)yyrealloc
|
|
(yyg->yy_buffer_stack,
|
|
num_to_alloc * sizeof(struct yy_buffer_state*)
|
|
, yyscanner);
|
|
if ( ! yyg->yy_buffer_stack )
|
|
YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
|
|
|
|
/* zero only the new slots.*/
|
|
memset(yyg->yy_buffer_stack + yyg->yy_buffer_stack_max, 0, grow_size * sizeof(struct yy_buffer_state*));
|
|
yyg->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
|
|
* @param yyscanner The scanner object.
|
|
* @return the newly allocated buffer state object.
|
|
*/
|
|
YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size , yyscan_t yyscanner)
|
|
{
|
|
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 ) , yyscanner );
|
|
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 , yyscanner );
|
|
|
|
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
|
|
* @param yyscanner The scanner object.
|
|
* @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 , yyscan_t yyscanner)
|
|
{
|
|
|
|
return yy_scan_bytes( yystr, (int) strlen(yystr) , yyscanner);
|
|
}
|
|
|
|
/** 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.
|
|
* @param yyscanner The scanner object.
|
|
* @return the newly allocated buffer state object.
|
|
*/
|
|
YY_BUFFER_STATE yy_scan_bytes (const char * yybytes, int _yybytes_len , yyscan_t yyscanner)
|
|
{
|
|
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 , yyscanner );
|
|
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 , yyscanner);
|
|
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 , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
(void)yyg;
|
|
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] = yyg->yy_hold_char; \
|
|
yyg->yy_c_buf_p = yytext + yyless_macro_arg; \
|
|
yyg->yy_hold_char = *yyg->yy_c_buf_p; \
|
|
*yyg->yy_c_buf_p = '\0'; \
|
|
yyleng = yyless_macro_arg; \
|
|
} \
|
|
while ( 0 )
|
|
|
|
/* Accessor methods (get/set functions) to struct members. */
|
|
|
|
/** Get the user-defined data for this scanner.
|
|
* @param yyscanner The scanner object.
|
|
*/
|
|
YY_EXTRA_TYPE yyget_extra (yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
return yyextra;
|
|
}
|
|
|
|
/** Get the current line number.
|
|
* @param yyscanner The scanner object.
|
|
*/
|
|
int yyget_lineno (yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
|
|
if (! YY_CURRENT_BUFFER)
|
|
return 0;
|
|
|
|
return yylineno;
|
|
}
|
|
|
|
/** Get the current column number.
|
|
* @param yyscanner The scanner object.
|
|
*/
|
|
int yyget_column (yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
|
|
if (! YY_CURRENT_BUFFER)
|
|
return 0;
|
|
|
|
return yycolumn;
|
|
}
|
|
|
|
/** Get the input stream.
|
|
* @param yyscanner The scanner object.
|
|
*/
|
|
FILE *yyget_in (yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
return yyin;
|
|
}
|
|
|
|
/** Get the output stream.
|
|
* @param yyscanner The scanner object.
|
|
*/
|
|
FILE *yyget_out (yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
return yyout;
|
|
}
|
|
|
|
/** Get the length of the current token.
|
|
* @param yyscanner The scanner object.
|
|
*/
|
|
int yyget_leng (yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
return yyleng;
|
|
}
|
|
|
|
/** Get the current token.
|
|
* @param yyscanner The scanner object.
|
|
*/
|
|
|
|
char *yyget_text (yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
return yytext;
|
|
}
|
|
|
|
/** Set the user-defined data. This data is never touched by the scanner.
|
|
* @param user_defined The data to be associated with this scanner.
|
|
* @param yyscanner The scanner object.
|
|
*/
|
|
void yyset_extra (YY_EXTRA_TYPE user_defined , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
yyextra = user_defined ;
|
|
}
|
|
|
|
/** Set the current line number.
|
|
* @param _line_number line number
|
|
* @param yyscanner The scanner object.
|
|
*/
|
|
void yyset_lineno (int _line_number , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
|
|
/* lineno is only valid if an input buffer exists. */
|
|
if (! YY_CURRENT_BUFFER )
|
|
YY_FATAL_ERROR( "yyset_lineno called with no buffer" );
|
|
|
|
yylineno = _line_number;
|
|
}
|
|
|
|
/** Set the current column.
|
|
* @param _column_no column number
|
|
* @param yyscanner The scanner object.
|
|
*/
|
|
void yyset_column (int _column_no , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
|
|
/* column is only valid if an input buffer exists. */
|
|
if (! YY_CURRENT_BUFFER )
|
|
YY_FATAL_ERROR( "yyset_column called with no buffer" );
|
|
|
|
yycolumn = _column_no;
|
|
}
|
|
|
|
/** Set the input stream. This does not discard the current
|
|
* input buffer.
|
|
* @param _in_str A readable stream.
|
|
* @param yyscanner The scanner object.
|
|
* @see yy_switch_to_buffer
|
|
*/
|
|
void yyset_in (FILE * _in_str , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
yyin = _in_str ;
|
|
}
|
|
|
|
void yyset_out (FILE * _out_str , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
yyout = _out_str ;
|
|
}
|
|
|
|
int yyget_debug (yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
return yy_flex_debug;
|
|
}
|
|
|
|
void yyset_debug (int _bdebug , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
yy_flex_debug = _bdebug ;
|
|
}
|
|
|
|
/* Accessor methods for yylval and yylloc */
|
|
|
|
YYSTYPE * yyget_lval (yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
return yylval;
|
|
}
|
|
|
|
void yyset_lval (YYSTYPE * yylval_param , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
yylval = yylval_param;
|
|
}
|
|
|
|
/* User-visible API */
|
|
|
|
/* yylex_init is special because it creates the scanner itself, so it is
|
|
* the ONLY reentrant function that doesn't take the scanner as the last argument.
|
|
* That's why we explicitly handle the declaration, instead of using our macros.
|
|
*/
|
|
int yylex_init(yyscan_t* ptr_yy_globals)
|
|
{
|
|
if (ptr_yy_globals == NULL){
|
|
errno = EINVAL;
|
|
return 1;
|
|
}
|
|
|
|
*ptr_yy_globals = (yyscan_t) yyalloc ( sizeof( struct yyguts_t ), NULL );
|
|
|
|
if (*ptr_yy_globals == NULL){
|
|
errno = ENOMEM;
|
|
return 1;
|
|
}
|
|
|
|
/* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */
|
|
memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
|
|
|
|
return yy_init_globals ( *ptr_yy_globals );
|
|
}
|
|
|
|
/* yylex_init_extra has the same functionality as yylex_init, but follows the
|
|
* convention of taking the scanner as the last argument. Note however, that
|
|
* this is a *pointer* to a scanner, as it will be allocated by this call (and
|
|
* is the reason, too, why this function also must handle its own declaration).
|
|
* The user defined value in the first argument will be available to yyalloc in
|
|
* the yyextra field.
|
|
*/
|
|
int yylex_init_extra( YY_EXTRA_TYPE yy_user_defined, yyscan_t* ptr_yy_globals )
|
|
{
|
|
struct yyguts_t dummy_yyguts;
|
|
|
|
yyset_extra (yy_user_defined, &dummy_yyguts);
|
|
|
|
if (ptr_yy_globals == NULL){
|
|
errno = EINVAL;
|
|
return 1;
|
|
}
|
|
|
|
*ptr_yy_globals = (yyscan_t) yyalloc ( sizeof( struct yyguts_t ), &dummy_yyguts );
|
|
|
|
if (*ptr_yy_globals == NULL){
|
|
errno = ENOMEM;
|
|
return 1;
|
|
}
|
|
|
|
/* By setting to 0xAA, we expose bugs in
|
|
yy_init_globals. Leave at 0x00 for releases. */
|
|
memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t));
|
|
|
|
yyset_extra (yy_user_defined, *ptr_yy_globals);
|
|
|
|
return yy_init_globals ( *ptr_yy_globals );
|
|
}
|
|
|
|
static int yy_init_globals (yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
/* Initialization is the same as for the non-reentrant scanner.
|
|
* This function is called from yylex_destroy(), so don't allocate here.
|
|
*/
|
|
|
|
yyg->yy_buffer_stack = NULL;
|
|
yyg->yy_buffer_stack_top = 0;
|
|
yyg->yy_buffer_stack_max = 0;
|
|
yyg->yy_c_buf_p = NULL;
|
|
yyg->yy_init = 0;
|
|
yyg->yy_start = 0;
|
|
|
|
yyg->yy_start_stack_ptr = 0;
|
|
yyg->yy_start_stack_depth = 0;
|
|
yyg->yy_start_stack = NULL;
|
|
|
|
/* 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 (yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
|
|
/* Pop the buffer stack, destroying each element. */
|
|
while(YY_CURRENT_BUFFER){
|
|
yy_delete_buffer( YY_CURRENT_BUFFER , yyscanner );
|
|
YY_CURRENT_BUFFER_LVALUE = NULL;
|
|
yypop_buffer_state(yyscanner);
|
|
}
|
|
|
|
/* Destroy the stack itself. */
|
|
yyfree(yyg->yy_buffer_stack , yyscanner);
|
|
yyg->yy_buffer_stack = NULL;
|
|
|
|
/* Destroy the start condition stack. */
|
|
yyfree( yyg->yy_start_stack , yyscanner );
|
|
yyg->yy_start_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( yyscanner);
|
|
|
|
/* Destroy the main struct (reentrant only). */
|
|
yyfree ( yyscanner , yyscanner );
|
|
yyscanner = NULL;
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Internal utility routines.
|
|
*/
|
|
|
|
#ifndef yytext_ptr
|
|
static void yy_flex_strncpy (char* s1, const char * s2, int n , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
(void)yyg;
|
|
|
|
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 , yyscan_t yyscanner)
|
|
{
|
|
int n;
|
|
for ( n = 0; s[n]; ++n )
|
|
;
|
|
|
|
return n;
|
|
}
|
|
#endif
|
|
|
|
void *yyalloc (yy_size_t size , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
(void)yyg;
|
|
return malloc(size);
|
|
}
|
|
|
|
void *yyrealloc (void * ptr, yy_size_t size , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
(void)yyg;
|
|
|
|
/* 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 , yyscan_t yyscanner)
|
|
{
|
|
struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
|
|
(void)yyg;
|
|
free( (char *) ptr ); /* see yyrealloc() for (char *) cast */
|
|
}
|
|
|
|
#define YYTABLES_NAME "yytables"
|
|
|
|
#line 582 "yara_lexer.l"
|
|
|
|
|
|
|
|
void yywarning(
|
|
yyscan_t yyscanner,
|
|
const char *warning_message)
|
|
{
|
|
YR_COMPILER* compiler = yyget_extra(yyscanner);
|
|
char* file_name;
|
|
|
|
if (compiler->file_name_stack_ptr > 0)
|
|
file_name = compiler->file_name_stack[compiler->file_name_stack_ptr - 1];
|
|
else
|
|
file_name = NULL;
|
|
|
|
#ifdef REAL_YARA
|
|
compiler->callback(
|
|
YARA_ERROR_LEVEL_WARNING,
|
|
file_name,
|
|
yyget_lineno(yyscanner),
|
|
warning_message);
|
|
#else
|
|
cli_warnmsg("yywarning(): %s line %d %s\n", file_name?file_name:"(file name missing)", compiler->last_error_line, warning_message);
|
|
#endif
|
|
}
|
|
|
|
|
|
void yyfatal(
|
|
yyscan_t yyscanner,
|
|
const char *error_message)
|
|
{
|
|
YR_COMPILER* compiler = yyget_extra(yyscanner);
|
|
int last_result = compiler->last_result;
|
|
|
|
yyerror(yyscanner, compiler, error_message);
|
|
compiler->last_result = last_result;
|
|
longjmp(compiler->error_recovery, 1);
|
|
}
|
|
|
|
|
|
void yyerror(
|
|
yyscan_t yyscanner,
|
|
YR_COMPILER* compiler,
|
|
const char *error_message)
|
|
{
|
|
char message[512] = {'\0'};
|
|
char* file_name = NULL;
|
|
|
|
/*
|
|
if error_message != NULL the error comes from yyparse internal code
|
|
else the error comes from my code and the error code is set in
|
|
compiler->last_result
|
|
*/
|
|
|
|
compiler->errors++;
|
|
|
|
if (compiler->error_line != 0)
|
|
compiler->last_error_line = compiler->error_line;
|
|
else
|
|
compiler->last_error_line = yyget_lineno(yyscanner);
|
|
|
|
compiler->error_line = 0;
|
|
|
|
if (compiler->file_name_stack_ptr > 0)
|
|
{
|
|
file_name = compiler->file_name_stack[compiler->file_name_stack_ptr - 1];
|
|
}
|
|
else
|
|
{
|
|
file_name = NULL;
|
|
}
|
|
|
|
if (error_message != NULL)
|
|
{
|
|
yr_compiler_set_error_extra_info(compiler, error_message);
|
|
compiler->last_error = ERROR_SYNTAX_ERROR;
|
|
|
|
#ifdef REAL_YARA
|
|
if (compiler->callback != NULL)
|
|
{
|
|
compiler->callback(
|
|
YARA_ERROR_LEVEL_ERROR,
|
|
file_name,
|
|
compiler->last_error_line,
|
|
error_message);
|
|
}
|
|
#else
|
|
cli_errmsg("yyerror(): %s line %d %s\n", file_name?file_name:"(file name missing)", compiler->last_error_line, error_message);
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
compiler->last_error = compiler->last_result;
|
|
|
|
#ifdef REAL_YARA
|
|
if (compiler->callback != NULL)
|
|
{
|
|
yr_compiler_get_error_message(compiler, message, sizeof(message));
|
|
|
|
compiler->callback(
|
|
YARA_ERROR_LEVEL_ERROR,
|
|
file_name,
|
|
compiler->last_error_line,
|
|
message);
|
|
}
|
|
#else
|
|
yr_compiler_get_error_message(compiler, message, sizeof(message));
|
|
cli_errmsg("yyerror(): %s line %d %s\n", file_name?file_name:"NULL filename", compiler->last_error_line, message);
|
|
#endif
|
|
}
|
|
|
|
compiler->last_result = ERROR_SUCCESS;
|
|
}
|
|
|
|
|
|
int yr_lex_parse_rules_string(
|
|
const char* rules_string,
|
|
YR_COMPILER* compiler)
|
|
{
|
|
#ifdef REAL_YARA
|
|
yyscan_t yyscanner;
|
|
|
|
compiler->errors = 0;
|
|
|
|
if (setjmp(compiler->error_recovery) != 0)
|
|
return compiler->errors;
|
|
|
|
yylex_init(&yyscanner);
|
|
|
|
yyset_debug(1, yyscanner);
|
|
|
|
yyset_extra(compiler, yyscanner);
|
|
|
|
yy_scan_string(rules_string, yyscanner);
|
|
|
|
yyset_lineno(1, yyscanner);
|
|
yyparse(yyscanner, compiler);
|
|
yylex_destroy(yyscanner);
|
|
|
|
return compiler->errors;
|
|
#else
|
|
(void)rules_string;
|
|
(void)compiler;
|
|
cli_errmsg("yara_lexer:yr_lex_parse_rules_string() disabled\n");
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
|
|
int yr_lex_parse_rules_file(
|
|
FILE* rules_file,
|
|
YR_COMPILER* compiler)
|
|
{
|
|
yyscan_t yyscanner;
|
|
|
|
compiler->errors = 0;
|
|
|
|
if (setjmp(compiler->error_recovery) != 0)
|
|
return compiler->errors;
|
|
|
|
yylex_init(&yyscanner);
|
|
|
|
#if YYDEBUG
|
|
printf("debug enabled");
|
|
#endif
|
|
|
|
yyset_debug(1, yyscanner);
|
|
|
|
yyset_in(rules_file, yyscanner);
|
|
yyset_extra(compiler, yyscanner);
|
|
yyparse(yyscanner, compiler);
|
|
yylex_destroy(yyscanner);
|
|
|
|
return compiler->errors;
|
|
}
|
|
|