/// <summary>
/// Determine the constant value of this local and the corresponding diagnostics.
/// Set both to constantTuple in a single operation for thread safety.
/// </summary>
/// <param name="inProgress">Null for the initial call, non-null if we are in the process of evaluating a constant.</param>
/// <param name="boundInitValue">If we already have the bound node for the initial value, pass it in to avoid recomputing it.</param>
private void MakeConstantTuple(LocalSymbol inProgress, BoundExpression boundInitValue)
{
if (this.IsConst && _constantTuple == null)
{
var value = Microsoft.CodeAnalysis.ConstantValue.Bad;
var initValueNodeLocation = _initializer.Value.Location;
var diagnostics = DiagnosticBag.GetInstance();
Debug.Assert(inProgress != this);
var type = this.Type;
if (boundInitValue == null)
{
var inProgressBinder = new LocalInProgressBinder(this, this._initializerBinder);
boundInitValue = inProgressBinder.BindVariableOrAutoPropInitializerValue(_initializer, this.RefKind, type, diagnostics);
}
value = ConstantValueUtils.GetAndValidateConstantValue(boundInitValue, this, type, initValueNodeLocation, diagnostics);
Interlocked.CompareExchange(ref _constantTuple, new EvaluatedConstant(value, diagnostics.ToReadOnlyAndFree()), null);
}
}
