private BoundExpression Indices(ImmutableArray <BoundExpression> expressions)
{
var builder = ArrayBuilder <BoundExpression> .GetInstance();
foreach (var arg in expressions)
{
var index = Visit(arg);
if (arg.Type != _int32Type)
{
index = ConvertIndex(index, arg.Type, _int32Type);
}
builder.Add(index);
}
return(_bound.Array(ExpressionType, builder.ToImmutableAndFree()));
}
private static BoundExpressionStatement GetCreatePayloadStatement(
ImmutableArray <SourceSpan> dynamicAnalysisSpans,
SyntaxNode methodBodySyntax,
LocalSymbol methodPayload,
MethodSymbol createPayloadForMethodsSpanningSingleFile,
MethodSymbol createPayloadForMethodsSpanningMultipleFiles,
BoundExpression mvid,
BoundExpression methodToken,
BoundExpression payloadSlot,
SyntheticBoundNodeFactory methodBodyFactory,
DebugDocumentProvider debugDocumentProvider)
{
MethodSymbol createPayloadOverload;
BoundExpression fileIndexOrIndicesArgument;
if (dynamicAnalysisSpans.IsEmpty)
{
createPayloadOverload = createPayloadForMethodsSpanningSingleFile;
// For a compiler generated method that has no 'real' spans, we emit the index for
// the document corresponding to the syntax node that is associated with its bound node.
var document = GetSourceDocument(debugDocumentProvider, methodBodySyntax);
fileIndexOrIndicesArgument = methodBodyFactory.SourceDocumentIndex(document);
}
else
{
var documents = PooledHashSet <DebugSourceDocument> .GetInstance();
var fileIndices = ArrayBuilder <BoundExpression> .GetInstance();
foreach (var span in dynamicAnalysisSpans)
{
var document = span.Document;
if (documents.Add(document))
{
fileIndices.Add(methodBodyFactory.SourceDocumentIndex(document));
}
}
documents.Free();
// At this point, we should have at least one document since we have already
// handled the case where method has no 'real' spans (and therefore no documents) above.
if (fileIndices.Count == 1)
{
createPayloadOverload = createPayloadForMethodsSpanningSingleFile;
fileIndexOrIndicesArgument = fileIndices.Single();
}
else
{
createPayloadOverload = createPayloadForMethodsSpanningMultipleFiles;
// Order of elements in fileIndices should be deterministic because these
// elements were added based on order of spans in dynamicAnalysisSpans above.
fileIndexOrIndicesArgument = methodBodyFactory.Array(
methodBodyFactory.SpecialType(SpecialType.System_Int32), fileIndices.ToImmutable());
}
fileIndices.Free();
}
return(methodBodyFactory.Assignment(
methodBodyFactory.Local(methodPayload),
methodBodyFactory.Call(
null,
createPayloadOverload,
mvid,
methodToken,
fileIndexOrIndicesArgument,
payloadSlot,
methodBodyFactory.Literal(dynamicAnalysisSpans.Length))));
}
internal LoweredDynamicOperation MakeDynamicMemberInvocation(
string name,
BoundExpression loweredReceiver,
ImmutableArray <TypeSymbol> typeArguments,
ImmutableArray <BoundExpression> loweredArguments,
ImmutableArray <string> argumentNames,
ImmutableArray <RefKind> refKinds,
bool hasImplicitReceiver,
bool resultDiscarded)
{
factory.Syntax = loweredReceiver.Syntax;
CSharpBinderFlags binderFlags = 0;
if (hasImplicitReceiver && !factory.TopLevelMethod.IsStatic)
{
binderFlags |= CSharpBinderFlags.InvokeSimpleName;
}
TypeSymbol resultType;
if (resultDiscarded)
{
binderFlags |= CSharpBinderFlags.ResultDiscarded;
resultType = factory.SpecialType(SpecialType.System_Void);
}
else
{
resultType = AssemblySymbol.DynamicType;
}
RefKind receiverRefKind;
bool receiverIsStaticType;
if (loweredReceiver.Kind == BoundKind.TypeExpression)
{
loweredReceiver = factory.Typeof(((BoundTypeExpression)loweredReceiver).Type);
receiverRefKind = RefKind.None;
receiverIsStaticType = true;
}
else
{
receiverRefKind = GetReceiverRefKind(loweredReceiver);
receiverIsStaticType = false;
}
MethodSymbol argumentInfoFactory = GetArgumentInfoFactory();
var binderConstruction = ((object)argumentInfoFactory != null) ? MakeBinderConstruction(WellKnownMember.Microsoft_CSharp_RuntimeBinder_Binder__InvokeMember, new[]
{
// flags:
factory.Literal((int)binderFlags),
// member name:
factory.Literal(name),
// type arguments:
typeArguments.IsDefaultOrEmpty ?
factory.Null(factory.WellKnownArrayType(WellKnownType.System_Type)) :
factory.Array(factory.WellKnownType(WellKnownType.System_Type), factory.TypeOfs(typeArguments)),
// context:
factory.Typeof(factory.CurrentClass),
// argument infos:
MakeCallSiteArgumentInfos(argumentInfoFactory, loweredArguments, argumentNames, refKinds, loweredReceiver, receiverRefKind, receiverIsStaticType)
}) : null;
return(MakeDynamicOperation(binderConstruction, loweredReceiver, receiverRefKind, loweredArguments, refKinds, null, resultType));
}