private void PowFactor(out Expr e)
{
Expr e2;
Factor(out e);
while (la.kind == 29)
{
Get();
Factor(out e2);
e = FunCall.Make("^", new Expr[] { e, e2 });
}
}
private void Term(out Expr e)
{
Expr e2;
String op;
PowFactor(out e);
while (la.kind == 32 || la.kind == 33)
{
MulOp(out op);
PowFactor(out e2);
e = FunCall.Make(op, new Expr[] { e, e2 });
}
}
private void LogicalTerm(out Expr e)
{
Expr e2;
String op;
e = null;
Term(out e);
while (la.kind == 17 || la.kind == 18 || la.kind == 19)
{
AddOp(out op);
Term(out e2);
e = FunCall.Make(op, new Expr[] { e, e2 });
}
}
private void Expr(out Expr e)
{
Expr e2;
String op;
e = null;
LogicalTerm(out e);
while (StartOf(1))
{
LogicalOp(out op);
LogicalTerm(out e2);
e = FunCall.Make(op, new Expr[] { e, e2 });
}
}
private void Application(out Expr e)
{
String s;
Expr[] es;
e = null;
Name(out s);
Expect(27);
if (la.kind == 28)
{
Get();
e = FunCall.Make(s.ToUpper(), new Expr[0]);
}
else if (StartOf(4))
{
Exprs1(out es);
Expect(28);
e = FunCall.Make(s.ToUpper(), es);
}
else
{
SynErr(39);
}
}
private void Factor(out Expr e)
{
RARef r1, r2;
Sheet s1 = null;
double d;
bool sheetError = false;
e = null;
switch (la.kind)
{
case 1: {
Application(out e);
break;
}
case 4:
case 5:
case 6:
case 7:
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
case 14: {
if (StartOf(2))
{
}
else
{
Get();
s1 = workbook[t.val.Substring(0, t.val.Length - 1)];
if (s1 == null)
{
sheetError = true;
}
}
Raref(out r1);
if (StartOf(3))
{
if (sheetError)
{
e = new Error(ErrorValue.refError);
}
else
{
e = new CellRef(s1, r1);
}
}
else if (la.kind == 26)
{
Get();
Raref(out r2);
if (sheetError)
{
e = new Error(ErrorValue.refError);
}
else
{
e = new CellArea(s1, r1, r2);
}
}
else
{
SynErr(37);
}
break;
}
case 2: {
Number(out d);
e = new NumberConst(d);
break;
}
case 18: {
Get();
Factor(out e);
if (e is NumberConst)
{
e = new NumberConst(-((NumberConst)e).value.value);
}
else
{
e = FunCall.Make("NEG", new Expr[] { e });
}
break;
}
case 15: {
Get();
e = new TextConst(t.val.Substring(1, t.val.Length - 2));
break;
}
case 27: {
Get();
Expr(out e);
Expect(28);
break;
}
default:
SynErr(38);
break;
}
}