public bool ContainsKey(
MidVar var)
{
if (_vars.ContainsKey(var))
{
return(true);
}
if (_outer != null)
{
return(_outer.ContainsKey(var));
}
return(false);
}
public IEmitVal Lookup(
MidVar var,
IEmitBlock block)
{
Func <IEmitBlock, IEmitVal> generator;
if (_vars.TryGetValue(var, out generator))
{
return(generator(block));
}
if (_outer != null)
{
return(_outer.Lookup(var, block));
}
throw new KeyNotFoundException();
}
public void Insert(
MidVar var,
Func <IEmitBlock, IEmitVal> generator)
{
_vars[var] = generator;
}
