internal bool TryGetValue(TKey key, out TValue value)
{
// First try to get the cached value for this compilation.
lock (_valueMap)
{
if (_valueMap.TryGetValue(key, out value))
{
return true;
}
}
// Ask the core analysis value provider for the value.
// We do it outside the lock statement as this may call into user code which can be a long running operation.
if (!_analysisValueProvider.TryGetValue(key, out value))
{
value = default(TValue);
return false;
}
// Store the value for the lifetime of the compilation.
lock (_valueMap)
{
_valueMap[key] = value;
}
return true;
}
internal bool TryGetValue(TKey key, out TValue value)
{
// First try to get the cached value for this compilation.
lock (_valueMap)
{
if (_valueMap.TryGetValue(key, out value))
{
return(true);
}
}
// Ask the core analysis value provider for the value.
// We do it outside the lock statement as this may call into user code which can be a long running operation.
if (!_analysisValueProvider.TryGetValue(key, out value))
{
value = default(TValue);
return(false);
}
// Store the value for the lifetime of the compilation.
lock (_valueMap)
{
// Check if another thread already stored the computed value.
TValue storedValue;
if (_valueMap.TryGetValue(key, out storedValue))
{
// If so, we return the stored value.
value = storedValue;
}
else
{
// Otherwise, store the value computed here.
_valueMap.Add(key, value);
}
}
return(true);
}
