97 lines
2.0 KiB
C
97 lines
2.0 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include "term.h"
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#include "termlist.h"
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#include "compiler.h"
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/*
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* Some macros
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*/
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#define langhide(x,y) x = levelConst(symbolSysConst(" _" y "_ "))
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#define langtype(x,y) x->stype = termlistAdd(x->stype,y);
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#define langcons(x,y,z) x = levelConst(symbolSysConst(y)); langtype(x,z)
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/* externally used:
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*/
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Term TERM_Agent;
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Term TERM_Function;
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Term TERM_Hidden;
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Term TERM_Type;
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Term TERM_Nonce;
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Term TERM_Ticket;
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Term TERM_Data;
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Term TERM_Claim;
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Term CLAIM_Secret;
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Term CLAIM_Nisynch;
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Term CLAIM_Niagree;
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Term CLAIM_Empty;
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Term CLAIM_Reachable;
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Termlist CLAIMS_dep_prec;
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//! Init special terms
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/**
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* This is called by compilerInit
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*/
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void
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specialTermInit (const System sys)
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{
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/* Init system constants */
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langhide (TERM_Type, "Type");
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langhide (TERM_Hidden, "Hidden");
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langhide (TERM_Claim, "Claim");
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langcons (TERM_Agent, "Agent", TERM_Type);
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langcons (TERM_Function, "Function", TERM_Type);
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langcons (TERM_Nonce, "Nonce", TERM_Type);
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langcons (TERM_Ticket, "Ticket", TERM_Type);
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langcons (TERM_Data, "Data", TERM_Type);
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langcons (CLAIM_Secret, "Secret", TERM_Claim);
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langcons (CLAIM_Nisynch, "Nisynch", TERM_Claim);
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langcons (CLAIM_Niagree, "Niagree", TERM_Claim);
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langcons (CLAIM_Empty, "Empty", TERM_Claim);
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langcons (CLAIM_Reachable, "Reachable", TERM_Claim);
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/* Construct a list of claims that depend on prec being not-empty */
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/* basically all authentication claims */
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CLAIMS_dep_prec = termlistAdd (NULL, CLAIM_Niagree);
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CLAIMS_dep_prec = termlistAdd (CLAIMS_dep_prec, CLAIM_Nisynch);
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}
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//! Determine whether this is a leaf construct with a ticket in it
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int
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isTicketTerm (Term t)
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{
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if (t != NULL)
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{
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if (realTermLeaf (t))
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{
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if (inTermlist (t->stype, TERM_Ticket))
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{
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return true;
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}
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else
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{
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if (realTermVariable (t))
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{
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return isTicketTerm (t->subst);
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}
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}
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}
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}
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return false;
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}
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//! Determine whether this is a term with a Ticket in it
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int
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hasTicketSubterm (Term t)
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{
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// Doesn't work yet
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return true;
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}
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