public void Accept(BinaryOperationNode node)
{
switch (node.BinaryOperation)
{
case BinaryOperation.Assignment:
node.Right.Visit(this);
if (node.Left is IdentifierNode)
{
string identifier = ((IdentifierNode)node.Left).Identifier;
if (table.ContainsGlobalSymbol(identifier))
{
method.Emit(node.SourceLocation, InstructionType.StoreGlobalVariable, table.GetGlobalSymbol(identifier));
method.Emit(node.SourceLocation, InstructionType.LoadGlobalVariable, table.GetGlobalSymbol(identifier));
}
else
{
if (!table.ContainsSymbol(identifier))
table.AddSymbol(identifier);
method.Emit(node.SourceLocation, InstructionType.StoreLocal, table.GetSymbol(identifier));
method.Emit(node.SourceLocation, InstructionType.LoadLocal, table.GetSymbol(identifier));
}
}
else if (node.Left is AttributeAccessNode)
{
AttributeAccessNode accessor = node.Left as AttributeAccessNode;
accessor.Left.Visit(this);
if (!module.ConstantPool.ContainsValue(accessor.Right))
module.ConstantPool.Add(accessor.Right.GetHashCode(), accessor.Right);
method.Emit(node.SourceLocation, InstructionType.StoreAttribute, accessor.Right.GetHashCode());
accessor.Left.Visit(this);
}
else if (node.Left is ListAccessNode)
{
ListAccessNode access = node.Left as ListAccessNode;
access.Element.Visit(this);
access.Target.Visit(this);
method.Emit(node.SourceLocation, InstructionType.StoreListElement);
}
else if (node.Left is UnaryOperationNode)
{
var unop = node.Left as UnaryOperationNode;
if (unop.UnaryOperation == UnaryOperation.Dereference)
{
unop.Target.Visit(this);
method.Emit(node.SourceLocation, InstructionType.StoreReference);
}
}
break;
case BinaryOperation.Swap:
method.Emit(node.SourceLocation, InstructionType.Push, table.GetSymbol(((IdentifierNode)node.Left).Identifier));
method.Emit(node.SourceLocation, InstructionType.Swap, table.GetSymbol(((IdentifierNode)node.Right).Identifier));
break;
default:
node.VisitChildren(this);
method.Emit(node.SourceLocation, InstructionType.BinaryOperation, (int)node.BinaryOperation);
break;
}
}
public void Accept(BinaryOperationNode node)
{
}
