MpsGuiValue::MpsGuiValue(int maxpid, const std::string &session, int pid, const MpsExp &name, const MpsExp &value, const MpsTerm &succ) // {{{
: mySession(session),
myMaxpid(maxpid),
myPid(pid)
{
mySucc = succ.Copy();
myValue = value.Copy();
myName = name.Copy();
} // }}}
MpsAssign::MpsAssign(const string &id, const MpsExp &exp, const MpsMsgType &type, const MpsTerm &succ) // {{{
{
myId = id;
myExp = exp.Copy();
myType = type.Copy();
mySucc = succ.Copy();
} // }}}
int main(int argc, char** argv)
{
if (argc!=2)
{ cerr << "Syntax: " << argv[0] << " EXP" << endl;
return 1;
}
Parser p;
p.DefToken("","[ \t\r\n][ \t\r\n]*",10);
p.DefToken("id","[a-z][a-z0-9]*",10);
p.DefKeywordToken("=>",2);
p.DefKeywordToken("<=",2);
p.DefKeywordToken("<=>",1);
p.DefToken("AND","AND+and+&",1);
p.DefToken("OR","OR+or+|",1);
p.DefToken("NOT","NOT+not+~",1);
p.DefToken("T","T+true",1);
p.DefToken("F","F+false",1);
p.DefKeywordToken("(",1);
p.DefKeywordToken(")",1);
p.DefType("exp ::= exp <=> exp2 | exp2");
p.DefType("exp2 ::= exp2 => exp3 | exp3");
p.DefType("exp3 ::= exp3 <= exp4 | exp4");
p.DefType("exp4 ::= exp4 AND exp5 | exp5");
p.DefType("exp5 ::= exp5 OR exp6 | exp6");
p.DefType("exp6 ::= NOT exp6 | exp7");
p.DefType("exp7 ::= T | F | id | ( exp )");
parsed_tree *tree=p.Parse(argv[1]);
MpsExp *e = Create(tree);
vector<const MpsExp*> hyps;
// double lk_start=gettime();
// cout << "LK: " << e->ValidExp_LK(hyps) << endl;
// double lk_end=gettime();
// cout << "LK-TIME: " << lk_end-lk_start << endl;
double cflkf_start=gettime();
cout << "CFLKF: " << e->ValidExp_CFLKF(hyps) << endl;
double cflkf_end=gettime();
cout << "CFLKF-TIME: " << cflkf_end-cflkf_start << endl;
// cout << e->ToString() << endl;
// MpsExp *cnf_e = e->MakeCNF();
delete e;
// cout << cnf_e->ToString() << endl;
// cout << "CNF: " << cnf_e->ValidCNF() << endl;
// delete cnf_e;
return 0;
}
bool MpsAssign::TypeCheck(const MpsExp &Theta, const MpsMsgEnv &Gamma, const MpsProcEnv &Omega, const set<pair<string,int> > &pureStack, const string &curPure, PureState pureState, bool checkPure) // * Check exp has correct type, and check succ in updated sigma {{{
{
if (checkPure)
{ // Check purity constraints
if (pureState!=CPS_IMPURE && pureState!=CPS_PURE)
return PrintTypeError("Error in implementation of pure participant " + curPure + ". Pure implementations must conform with the structure \n * local X()\n * ( global s=new ch(p of n);\n * X();\n * |\n * P\n * )\n * local StartX(Int i)\n * ( if i<=0\n * then X();\n * else X(); | StartX(i-1);\n * )\n * StartX( E ); |" ,*this,Theta,Gamma,Omega);
}
MpsMsgType *exptype=myExp->TypeCheck(Gamma);
// Is exp typed
if (dynamic_cast<const MpsMsgNoType*>(exptype))
return PrintTypeError((string)"Expression does not typecheck",*this,Theta,Gamma,Omega);
if (dynamic_cast<const MpsMsgNoType*>(myType)==NULL)
{ // Compare types
bool exptypematch = exptype->Equal(Theta,*myType);
delete exptype;
if (not exptypematch)
return PrintTypeError((string)"Expression does not have type: " + myType->ToString(),*this,Theta,Gamma,Omega);
}
else
{ // Store type
delete myType;
myType = exptype->Copy();
}
// Verify assign
if (dynamic_cast<MpsDelegateMsgType*>(myType)!=NULL)
return PrintTypeError("Assignment type cannot be a session, because it breaks linearity",*this,Theta,Gamma,Omega);
// Check no session is eclipsed
MpsMsgEnv::const_iterator var=Gamma.find(myId);
if (var!=Gamma.end() && dynamic_cast<const MpsDelegateMsgType*>(var->second)!=NULL)
return PrintTypeError((string)"Session eclipsed by assignment: " + myId,*this,Theta,Gamma,Omega);
// Make new environment
string newId = MpsExp::NewVar(myId);
MpsExp *tmpTheta=Theta.Rename(myId,newId);
MpsExp *newTheta;
if (myType->ToString()=="Bool")
{ MpsExp *eq1 = new MpsVarExp(myId,MpsMsgNoType());
MpsExp *eq2 = myExp->Rename(myId,newId);
MpsExp *neq1=new MpsUnOpExp("not",*eq1);
MpsExp *neq2=new MpsUnOpExp("not",*eq2);
MpsExp *leftExp=new MpsBinOpExp("or",*eq1,*neq2,MpsMsgNoType(),MpsMsgNoType());
MpsExp *rightExp=new MpsBinOpExp("or",*neq1,*eq2,MpsMsgNoType(),MpsMsgNoType());
MpsExp *addTheta=new MpsBinOpExp("and",*leftExp,*rightExp,MpsMsgNoType(),MpsMsgNoType());
newTheta=new MpsBinOpExp("and",*tmpTheta,*addTheta,MpsMsgNoType(),MpsMsgNoType());
delete eq1;
delete eq2;
delete neq1;
delete neq2;
delete leftExp;
delete rightExp;
delete addTheta;
delete tmpTheta;
}
else
newTheta=tmpTheta;
MpsMsgEnv newGamma;
for (MpsMsgEnv::const_iterator it=Gamma.begin(); it!=Gamma.end(); ++it)
if (it->first!=myId)
newGamma[it->first]=it->second->ERename(myId,newId);
newGamma[myId]=myType->Copy();
// Check new Successor
bool result = mySucc->TypeCheck(*newTheta,newGamma,Omega,pureStack,curPure, pureState, checkPure);
delete newTheta;
DeleteMap(newGamma);
return result;
} // }}}
MpsCond::MpsCond(const MpsExp &cond, const MpsTerm &truebranch, const MpsTerm &falsebranch) // {{{
{
myCond = cond.Copy();
myTrueBranch = truebranch.Copy();
myFalseBranch = falsebranch.Copy();
} // }}}
