/// <summary>
/// Merges the data of the other scope into this scope
/// </summary>
/// <param name="other"></param>
public void Merge(Scope other)
{
Debug.Assert(ContainerFunction == null && other.ContainerFunction == null, "Cannot merge scopes that are already assigned to their container function!");
Trace.Fail("This is not yet fully implemented, if you get here, you need to finish it");
_flags |= other._flags;
AstCost += other.AstCost;
Returns.AddRange(other.Returns);
Invocations.AddRange(other.Invocations);
_subFunctions.AddRange(other._subFunctions);
foreach (var otherSymbol in other.Symbols)
{
Debug.Assert(GetSymbol(otherSymbol.Name) == null, "Symbol {0} already exists in the scope; merge the symbols usages is not yet implemented!", otherSymbol.Name);
var thisSymbol = GetOrAddSymbol(otherSymbol.Name);
switch (thisSymbol.SymbolType)
{
case JSSymbol.SymbolTypes.Unknown:
thisSymbol.SymbolType = otherSymbol.SymbolType;
thisSymbol.ParameterIndex = otherSymbol.ParameterIndex;
thisSymbol.SubFunctionIndex = otherSymbol.SubFunctionIndex;
//thisSymbol.AncestorDistance = otherSymbol.AncestorDistance;
thisSymbol.Readers.AddRange(otherSymbol.Readers);
thisSymbol.Writers.AddRange(otherSymbol.Writers);
break;
default:
throw new NotImplementedException();
}
}
}
public JSSymbol(string name, Scope containingScope, int index)
{
Name = name;
ContainerScope = containingScope;
Index = index;
ValueIndex = mdr.Runtime.InvalidIndex;
ParameterIndex = mdr.Runtime.InvalidIndex;
FieldId = mdr.Runtime.InvalidFieldId;
SubFunctionIndex = mdr.Runtime.InvalidIndex;
//AncestorDistance = mdr.Runtime.InvalidIndex;
ValueType = mdr.ValueTypes.Unknown;
}
public Scope(Scope outerScope)
{
OuterScope = outerScope;
if (OuterScope != null)
{
IndexInOuterScope = OuterScope.InnerScopes.Count;
OuterScope.InnerScopes.Add(this);
}
else
IndexInOuterScope = mdr.Runtime.InvalidIndex;
_subFunctions = new List<JSFunctionMetadata>();
}