} // NT_SimpleExpr
private static void NT_Term(out Expr t)
{
Expr f = null;
SrcPos sp = null;
BinaryOperator.Operation binOp =
BinaryOperator.Operation.undefOp;
t = null;
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_NotFact(out f);
break;
case 2: // SEM
t = f;
break;
case 3: // SEM
binOp = BinaryOperator.Operation.mulOp;
sp = new SrcPos();
break;
case 4: // SEM
binOp = BinaryOperator.Operation.divOp;
sp = new SrcPos();
break;
case 5: // SEM
binOp = BinaryOperator.Operation.modOp;
sp = new SrcPos();
break;
case 6:
NT_NotFact(out f);
break;
case 7: // SEM
t = new BinaryOperator(sp, binOp, t, f);
break;
} // switch
} // for
} // NT_Term
} // NT_OrExpr
private static void NT_AndExpr(out Expr ae)
{
Expr re = null;
SrcPos sp = null;
BinaryOperator.Operation binOp =
BinaryOperator.Operation.undefOp;
ae = null;
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_RelExpr(out re);
break;
case 2: // SEM
ae = re;
break;
case 3: // SEM
binOp = BinaryOperator.Operation.andOp;
sp = new SrcPos();
break;
case 4:
NT_RelExpr(out re);
break;
case 5: // SEM
ae = new BinaryOperator(sp, binOp, ae, re);
break;
} // switch
} // for
} // NT_AndExpr
} // NT_Expr
private static void NT_OrExpr(out Expr oe)
{
Expr ae = null;
SrcPos sp = null;
BinaryOperator.Operation binOp =
BinaryOperator.Operation.undefOp;
oe = null;
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_AndExpr(out ae);
break;
case 2: // SEM
oe = ae;
break;
case 3: // SEM
binOp = BinaryOperator.Operation.orOp;
sp = new SrcPos();
break;
case 4:
NT_AndExpr(out ae);
break;
case 5: // SEM
oe = new BinaryOperator(sp, binOp, oe, ae);
break;
} // switch
} // for
} // NT_OrExpr
} // NT_RelExpr
private static void NT_SimpleExpr(out Expr se)
{
Expr t = null;
SrcPos sp = null;
UnaryOperator.Operation unOp =
UnaryOperator.Operation.undefOp;
BinaryOperator.Operation binOp =
BinaryOperator.Operation.undefOp;
se = null;
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1: // SEM
unOp = UnaryOperator.Operation.posOp;
sp = new SrcPos();
break;
case 2: // SEM
unOp = UnaryOperator.Operation.negOp;
sp = new SrcPos();
break;
case 3:
NT_Term(out t);
break;
case 4: // SEM
if (unOp != UnaryOperator.Operation.undefOp)
{
se = new UnaryOperator(sp, unOp, t);
}
else
{
se = t;
}
break;
case 5: // SEM
binOp = BinaryOperator.Operation.addOp;
sp = new SrcPos();
break;
case 6: // SEM
binOp = BinaryOperator.Operation.subOp;
sp = new SrcPos();
break;
case 7:
NT_Term(out t);
break;
case 8: // SEM
se = new BinaryOperator(sp, binOp, se, t);
break;
} // switch
} // for
} // NT_SimpleExpr
} // NT_AndExpr
private static void NT_RelExpr(out Expr re)
{
Expr se = null;
SrcPos sp = null;
BinaryOperator.Operation binOp =
BinaryOperator.Operation.undefOp;
re = null;
for (;;)
{
switch (Syn.Interpret())
{
case 0:
return;
case 1:
NT_SimpleExpr(out se);
break;
case 2: // SEM
re = se;
break;
case 3: // SEM
binOp = BinaryOperator.Operation.eqOp;
sp = new SrcPos();
break;
case 4: // SEM
binOp = BinaryOperator.Operation.neOp;
sp = new SrcPos();
break;
case 5: // SEM
binOp = BinaryOperator.Operation.ltOp;
sp = new SrcPos();
break;
case 6: // SEM
binOp = BinaryOperator.Operation.leOp;
sp = new SrcPos();
break;
case 7: // SEM
binOp = BinaryOperator.Operation.gtOp;
sp = new SrcPos();
break;
case 8: // SEM
binOp = BinaryOperator.Operation.geOp;
sp = new SrcPos();
break;
case 9:
NT_SimpleExpr(out se);
break;
case 10: // SEM
re = new BinaryOperator(sp, binOp, re, se);
break;
} // switch
} // for
} // NT_RelExpr
