scyther/src/tac.h
2020-10-28 15:19:47 +01:00

105 lines
2.1 KiB
C

/*
* Scyther : An automatic verifier for security protocols.
* Copyright (C) 2007-2020 Cas Cremers
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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.
*/
#ifndef TAC_H
#define TAC_H
#include "symbol.h"
/*
* TAC instructions
*/
enum tactypes
{
TAC_UNDEF,
TAC_SYM,
TAC_TUPLE,
TAC_ENCRYPT,
TAC_FCALL,
TAC_VAR,
TAC_CONST,
TAC_FRESH,
TAC_RECV,
TAC_SEND,
TAC_CLAIM,
TAC_FUNC,
TAC_STRING,
TAC_ROLE,
TAC_PROTOCOL,
TAC_KNOWS,
TAC_RUN,
TAC_ROLEREF,
TAC_SECRET,
TAC_INVERSEKEYS,
TAC_INVERSEKEYFUNCTIONS,
TAC_HASHFUNCTION,
TAC_UNTRUSTED,
TAC_COMPROMISED,
TAC_USERTYPE,
TAC_MATCH,
TAC_MACRO
};
//! Structure to hold the compilation tree nodes
struct tacnode
{
struct tacnode *next; //!< pointer to previous node
struct tacnode *prev; //!< pointer to next node
struct tacnode *allnext;
int op; //!< operator for this node
int lineno; //!< line number of parser location in the input file
union
{
Symbol sym;
struct tacnode *tac;
char *str;
int value;
} t1;
union
{
Symbol sym;
struct tacnode *tac;
char *str;
int value;
} t2;
union
{
Symbol sym;
struct tacnode *tac;
char *str;
int value;
} t3;
};
typedef struct tacnode *Tac;
void tacInit (void);
void tacDone (void);
Tac tacCopy (Tac c);
Tac tacCreate (int op);
Tac tacSymb (char *s);
Tac tacJoin (int op, Tac t1, Tac t2, Tac t3);
Tac tacTuple (Tac taclist);
Tac tacCat (Tac t1, Tac t2);
void tacPrint (Tac t);
#endif