/// <summary>
/// Adds the current name-symbol pair to the corresponding dictionary.
/// </summary>
/// <param name="name">the symbol name</param>
/// <param name="theSymbol">the symbol value</param>
public void Add(string name, Symbol theSymbol)
{
switch (theSymbol.Category)
{
case symbolCategory.Cmethod:
Symbol tempSymbol;
if (!theMethodTable.TryGetValue(name, out tempSymbol))
theMethodTable.Add(name, theSymbol);
else
{
MethodSymbol typedSymbol = tempSymbol as MethodSymbol;
MethodSymbol parameteredSymbol = theSymbol as MethodSymbol;
List<SymbolType> theParameteredList = parameteredSymbol.Parameters.ElementAt(0);
if (!typedSymbol.checkParameterList(theParameteredList))
typedSymbol.addParameterList(theParameteredList);
else
throw new Exception("Redeclared identifier " + name + " on symbol declaration" + Environment.NewLine);
}
break;
case symbolCategory.CstructDecl:
theStructDeclTable.Add(name, theSymbol);
break;
default:
theVariableTable.Add(name, theSymbol);
break;
}
}
/// <summary>
/// Adds a symbol to the current scope symbol table
/// </summary>
/// <param name="id">The new symbol id</param>
/// <param name="x">The new symbol instance</param>
public void AddSymbol(string id, Symbol x)
{
currentScope.Add(id, x);
}
public override void ExitSingle_varDeclaration(DecafParser.Single_varDeclarationContext context)
{
SymbolType theType = getNodeType(context.varType());
Symbol theSymbolRepresentation;
if (theType != SymbolType.TstructImpl)
theSymbolRepresentation = new Symbol(theType);
else
theSymbolRepresentation = getNodeSymbol(context.varType());
theScopeManager.AddSymbol(context.Id().GetText(), theSymbolRepresentation);
}
public void setNodeSymbol(IParseTree node, Symbol value)
{
nodeSymbols.Put(node, value);
}
public override void ExitSingle_parameterDeclaration(DecafParser.Single_parameterDeclarationContext context)
{
SymbolType theParameterType = getNodeType(context.parameterType());
Symbol theSymbolRepresentation = new Symbol(theParameterType);
KeyValuePair<string, Symbol> theKeyValuePairRepresentaion = new KeyValuePair<string, Symbol>(context.Id().GetText(), theSymbolRepresentation);
theScopeManager.AddSymbol(theKeyValuePairRepresentaion);
parameterList.Add(theParameterType);
setNodeSymbolTableEntry(context, theKeyValuePairRepresentaion);
setNodeType(context, theParameterType);
}