mirror of
https://github.com/rspamd/rspamd.git
synced 2024-08-06 21:05:59 +02:00
59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
|
/*
|
||
|
|
** $Id: lpvm.h,v 1.3 2014/02/21 13:06:41 roberto Exp $
|
||
|
|
*/
|
||
|
|
|
||
|
|
#if !defined(lpvm_h)
|
||
|
|
#define lpvm_h
|
||
|
|
|
||
|
|
#include "lpcap.h"
|
||
|
|
|
||
|
|
|
||
|
|
/* Virtual Machine's instructions */
|
||
|
|
typedef enum Opcode {
|
||
|
|
IAny, /* if no char, fail */
|
||
|
|
IChar, /* if char != aux, fail */
|
||
|
|
ISet, /* if char not in buff, fail */
|
||
|
|
ITestAny, /* in no char, jump to 'offset' */
|
||
|
|
ITestChar, /* if char != aux, jump to 'offset' */
|
||
|
|
ITestSet, /* if char not in buff, jump to 'offset' */
|
||
|
|
ISpan, /* read a span of chars in buff */
|
||
|
|
IBehind, /* walk back 'aux' characters (fail if not possible) */
|
||
|
|
IRet, /* return from a rule */
|
||
|
|
IEnd, /* end of pattern */
|
||
|
|
IChoice, /* stack a choice; next fail will jump to 'offset' */
|
||
|
|
IJmp, /* jump to 'offset' */
|
||
|
|
ICall, /* call rule at 'offset' */
|
||
|
|
IOpenCall, /* call rule number 'key' (must be closed to a ICall) */
|
||
|
|
ICommit, /* pop choice and jump to 'offset' */
|
||
|
|
IPartialCommit, /* update top choice to current position and jump */
|
||
|
|
IBackCommit, /* "fails" but jump to its own 'offset' */
|
||
|
|
IFailTwice, /* pop one choice and then fail */
|
||
|
|
IFail, /* go back to saved state on choice and jump to saved offset */
|
||
|
|
IGiveup, /* internal use */
|
||
|
|
IFullCapture, /* complete capture of last 'off' chars */
|
||
|
|
IOpenCapture, /* start a capture */
|
||
|
|
ICloseCapture,
|
||
|
|
ICloseRunTime
|
||
|
|
} Opcode;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
typedef union Instruction {
|
||
|
|
struct Inst {
|
||
|
|
byte code;
|
||
|
|
byte aux;
|
||
|
|
short key;
|
||
|
|
} i;
|
||
|
|
int offset;
|
||
|
|
byte buff[1];
|
||
|
|
} Instruction;
|
||
|
|
|
||
|
|
|
||
|
|
void printpatt (Instruction *p, int n);
|
||
|
|
const char *match (lua_State *L, const char *o, const char *s, const char *e,
|
||
|
|
Instruction *op, Capture *capture, int ptop);
|
||
|
|
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|