//parameter
public override void OutAParameter(AParameter node)
{
Definition typeDef, varDef;
String typeName = node.GetType().Text;
String varName = node.GetName().Text;
// check type name is defined
if (!_currentSymbolTable.TryGetValue(typeName, out typeDef))
{
Console.WriteLine("[" + node.GetType().Line + "] : " + typeName + " is not defined.");
// check if type name is defined as a type
}
else if (!(typeDef is TypeDefinition))
{
Console.WriteLine("[" + node.GetType().Line + "] : " + typeName + " is not a valid type.");
// check var name is not defined
}
else if (_currentSymbolTable.TryGetValue(varName, out varDef) || _globalSymbolTable.TryGetValue(varName, out varDef))
{
Console.WriteLine("[" + node.GetName().Line + "] : " + varName + " is already defined.");
// add to symbol table
}
else
{
VariableDefinition newDef = new VariableDefinition();
newDef.name = varName;
newDef.vartype = (TypeDefinition)typeDef;
_currentSymbolTable.Add(varName, newDef);
_currentParamList.Add(newDef);
}
}
