private bool TestRight(Operator top, INode rhs)
{
if ((this.mode & 1) == 0)
{
if (!(rhs is ASTOpNode))
{
return(false);
}
Operator @operator = ((ASTOpNode)rhs).GetOperator();
if (top == @operator)
{
return(!top.IsRightBinding() && !top.IsAssociative());
}
if (top.GetPrecedence() == @operator.GetPrecedence())
{
if (top.IsLeftBinding() && top.IsAssociative())
{
return(false);
}
return(true);
}
if (top.GetPrecedence() > @operator.GetPrecedence())
{
return(false);
}
}
return(true);
}
public Operator ReplaceOperator(Operator oldOp, Operator op)
{
for (int i = 0; i < this._numOps; i++)
{
if (this.ops[i] == oldOp)
{
this.ops[i] = op;
op.SetPrecedence(oldOp.GetPrecedence());
}
}
return(op);
}
private bool TestLeft(Operator top, INode lhs)
{
if ((this.mode & 1) == 0)
{
if (!(lhs is ASTOpNode))
{
return(false);
}
Operator @operator = ((ASTOpNode)lhs).GetOperator();
if (top == @operator)
{
if (top.IsLeftBinding() && top.IsAssociative())
{
return(false);
}
if (top.UseBindingForPrint())
{
return(false);
}
return(true);
}
if (top.GetPrecedence() == @operator.GetPrecedence())
{
if (@operator.IsLeftBinding() && @operator.IsAssociative())
{
return(false);
}
if (@operator.UseBindingForPrint())
{
return(false);
}
return(true);
}
if (top.GetPrecedence() > @operator.GetPrecedence())
{
return(false);
}
}
return(true);
}
public Operator InsertOperator(int key, Operator op, Operator existingOp)
{
this.AddOperator(key, op);
int precedence = existingOp.GetPrecedence();
for (int i = 0; i < this.ops.Length; i++)
{
if ((this.ops[i] != null) && (this.ops[i].GetPrecedence() >= precedence))
{
this.ops[i].SetPrecedence(this.ops[i].GetPrecedence() + 1);
}
}
op.SetPrecedence(precedence);
return(op);
}
public Operator AppendOperator(int key, Operator op, Operator existingOp)
{
this.AddOperator(key, op);
int i = existingOp.GetPrecedence() + 1;
for (int j = 0; j < this.ops.Length; j++)
{
if ((this.ops[j] != null) && (this.ops[j].GetPrecedence() >= i))
{
this.ops[j].SetPrecedence(this.ops[j].GetPrecedence() + 1);
}
}
op.SetPrecedence(i);
return(op);
}
private bool TestMid(Operator top, INode rhs)
{
if ((this.mode & 1) == 0)
{
if (!(rhs is ASTOpNode))
{
return(false);
}
Operator @operator = ((ASTOpNode)rhs).GetOperator();
if (top == @operator)
{
return(false);
}
if (top.GetPrecedence() == @operator.GetPrecedence())
{
return(false);
}
if (top.GetPrecedence() > @operator.GetPrecedence())
{
return(false);
}
}
return(true);
}
public Operator AddOperator(Operator op, Operator existingOp)
{
this.AddOperator(this.NumOps, op);
op.SetPrecedence(existingOp.GetPrecedence());
return(op);
}
public Operator AddOperator(int key, Operator op, Operator existingOp)
{
this.AddOperator(key, op);
op.SetPrecedence(existingOp.GetPrecedence());
return(op);
}
