public void AddSymbol(LocalSymbol symbol) {
Debug.Assert(symbol != null);
Debug.Assert(String.IsNullOrEmpty(symbol.Name) == false);
Debug.Assert(_localTable.ContainsKey(symbol.Name) == false);
_locals.Add(symbol);
_localTable[symbol.Name] = symbol;
}
private string TransformLocal(LocalSymbol localSymbol) {
int depth = 0;
AnonymousMethodSymbol parentMethod = localSymbol.Parent as AnonymousMethodSymbol;
if (parentMethod != null) {
// If an anonymous method contains a local variable with the
// same name as a variable in the containing method, they will
// conflict at runtime, i.e. the value in the inner method
// will override the value of the outer method when it is run.
// Note that right now we aren't seeing if there is actually a conflict.
// We're always qualifying the inner variable with a depth prefix.
// REVIEW: Should we try to optimize when we qualify?
depth = parentMethod.Depth;
}
string transformedName = GenerateName(_count, depth);
_count++;
return transformedName;
}
void ILocalSymbolTable.AddSymbol(LocalSymbol symbol)
{
Debug.Assert(_currentScope != null);
_currentScope.AddSymbol(symbol);
}
public LocalExpression(LocalSymbol symbol, SymbolFilter memberMask)
: base(ExpressionType.Local, symbol.ValueType, memberMask)
{
_symbol = symbol;
}
public LocalExpression(LocalSymbol symbol)
: this(symbol, SymbolFilter.Public | SymbolFilter.InstanceMembers)
{
_symbol = symbol;
}
public LocalExpression(LocalSymbol symbol, SymbolFilter memberMask)
: base(ExpressionType.Local, symbol.ValueType, memberMask)
{
_symbol = symbol;
}
public LocalExpression(LocalSymbol symbol)
: this(symbol, SymbolFilter.Public | SymbolFilter.InstanceMembers)
{
_symbol = symbol;
}