//check if variable (int x) is declared in symbol table and add if not
public void VisitNode(LocalVariableDeclarationStatement node)
{
AbstractNode typeName = node.Child;
AbstractNode idName = typeName.Sib.Child;
TypeVisitor typeVisitor = new TypeVisitor();
typeName.Accept(typeVisitor);
while (idName != null)
{
string name = ((Identifier)idName).Name;
try
{
VariableAttributes attr = new VariableAttributes(null, typeName.TypeRef);
idName.TypeRef = typeName.TypeRef;
table.enter(name, attr);
idName.AttributesRef = attr;
}
catch (FoundKeyException e)
{
Console.WriteLine(e.Message);
node.TypeRef = new ErrorTypeDescriptor();
node.AttributesRef = null;
}
idName = idName.Sib;
}
}
public void VisitNode(LocalVariableDeclarationStatement node)
{
string type = node.Child.TypeRef.type;
Identifier dcls = (Identifier)node.Child.Sib.Child;
using (FileStream fs = File.Open(GlobalVar.PATH, FileMode.Append))
{
using (StreamWriter sw = new StreamWriter(fs))
{
sw.Write(".locals init (");
while (dcls != null)
{
dcls.AttributesRef.Location = stlocCount++;
sw.Write(type);
dcls = (Identifier)dcls.Sib;
if (dcls != null)
{
sw.Write(", ");
}
}
sw.WriteLine(")");
}
}
}