public BoundInterpolatedStringExpression(InterpolatedStringExpressionSyntax node, string builtStr, BoundExpression[] interpolatedExpressions, BindContext context)
: base(node)
{
ValueType = context.GetTypeSymbol(SpecialType.System_String);
BuiltStr = new BoundConstantExpression(new ConstantValue <string>(builtStr), ValueType, node);
InterpolationExpressions = interpolatedExpressions;
ObjectArr = context.GetTypeSymbol(SpecialType.System_Object).MakeArrayType(context);
if (interpolatedExpressions.Length > 3)
{
StringFormatMethod = ValueType.GetMembers <ExternMethodSymbol>("Format", context).First(e =>
e.Parameters[0].Type == ValueType && e.Parameters[1].Type == ObjectArr);
}
else
{
StringFormatMethod = ValueType.GetMembers <ExternMethodSymbol>("Format", context).First(e =>
e.Parameters[0].Type == ValueType && e.Parameters.Length == interpolatedExpressions.Length + 1);
}
}