@Nullable
private ResolvedCall<FunctionDescriptor> getResolvedCallForFunction(
@NotNull Call call,
@NotNull JetExpression callExpression,
@NotNull ReceiverValue receiver,
@NotNull ResolutionContext context,
@NotNull ResolveMode resolveMode,
@NotNull boolean[] result) {
CallResolver callResolver = expressionTypingServices.getCallResolver();
OverloadResolutionResults<FunctionDescriptor> results =
callResolver.resolveFunctionCall(
BasicCallResolutionContext.create(context, call, resolveMode));
if (!results.isNothing()) {
checkSuper(receiver, results, context.trace, callExpression);
result[0] = true;
if (results.isSingleResult() && resolveMode == ResolveMode.TOP_LEVEL_CALL) {
if (CallResolverUtil.hasReturnTypeDependentOnNotInferredParams(
results.getResultingCall())) {
return null;
}
}
return results.isSingleResult() ? results.getResultingCall() : null;
}
result[0] = false;
return null;
}
@Nullable
private JetType getVariableType(
@NotNull JetSimpleNameExpression nameExpression,
@NotNull ReceiverValue receiver,
@Nullable ASTNode callOperationNode,
@NotNull ResolutionContext context,
@NotNull boolean[] result) {
TemporaryBindingTrace traceForVariable =
TemporaryBindingTrace.create(
context.trace, "trace to resolve as local variable or property", nameExpression);
CallResolver callResolver = expressionTypingServices.getCallResolver();
Call call = CallMaker.makePropertyCall(receiver, callOperationNode, nameExpression);
OverloadResolutionResults<VariableDescriptor> resolutionResult =
callResolver.resolveSimpleProperty(
BasicCallResolutionContext.create(
context.replaceBindingTrace(traceForVariable),
call,
ResolveMode.TOP_LEVEL_CALL,
ResolutionResultsCache.create()));
if (!resolutionResult.isNothing()) {
traceForVariable.commit();
checkSuper(receiver, resolutionResult, context.trace, nameExpression);
result[0] = true;
return resolutionResult.isSingleResult()
? resolutionResult.getResultingDescriptor().getReturnType()
: null;
}
ResolutionContext newContext =
receiver.exists() ? context.replaceScope(receiver.getType().getMemberScope()) : context;
TemporaryBindingTrace traceForNamespaceOrClassObject =
TemporaryBindingTrace.create(
context.trace, "trace to resolve as namespace or class object", nameExpression);
JetType jetType =
lookupNamespaceOrClassObject(
nameExpression, newContext.replaceBindingTrace(traceForNamespaceOrClassObject));
if (jetType != null) {
traceForNamespaceOrClassObject.commit();
// Uncommitted changes in temp context
context.trace.record(RESOLUTION_SCOPE, nameExpression, context.scope);
if (context.dataFlowInfo.hasTypeInfoConstraints()) {
context.trace.record(
NON_DEFAULT_EXPRESSION_DATA_FLOW, nameExpression, context.dataFlowInfo);
}
result[0] = true;
return jetType;
}
result[0] = false;
return null;
}
private <D extends CallableDescriptor, F extends D>
OverloadResolutionResultsImpl<F> doResolveCallOrGetCachedResults(
@NotNull ResolutionResultsCache.MemberType<F> memberType,
@NotNull BasicCallResolutionContext context,
@NotNull List<ResolutionTask<D, F>> prioritizedTasks,
@NotNull CallTransformer<D, F> callTransformer,
@NotNull JetReferenceExpression reference) {
OverloadResolutionResultsImpl<F> results = null;
TracingStrategy tracing =
prioritizedTasks.isEmpty()
? TracingStrategy.EMPTY
: prioritizedTasks.iterator().next().tracing;
TemporaryBindingTrace traceToResolveCall =
TemporaryBindingTrace.create(context.trace, "trace to resolve call", context.call);
CallKey callKey = CallResolverUtil.createCallKey(context);
if (callKey != null) {
OverloadResolutionResultsImpl<F> cachedResults =
context.resolutionResultsCache.getResolutionResults(callKey, memberType);
if (cachedResults != null) {
DelegatingBindingTrace deltasTraceForResolve =
context.resolutionResultsCache.getResolutionTrace(callKey);
assert deltasTraceForResolve != null;
deltasTraceForResolve.addAllMyDataTo(traceToResolveCall);
results = cachedResults;
}
}
if (results == null) {
BasicCallResolutionContext newContext = context.replaceBindingTrace(traceToResolveCall);
results = doResolveCall(newContext, prioritizedTasks, callTransformer, reference);
DelegatingBindingTrace deltasTraceForTypeInference =
((OverloadResolutionResultsImpl) results).getTrace();
if (deltasTraceForTypeInference != null) {
deltasTraceForTypeInference.addAllMyDataTo(traceToResolveCall);
}
completeTypeInferenceDependentOnFunctionLiterals(newContext, results, tracing);
cacheResults(memberType, context, results, traceToResolveCall, tracing);
}
traceToResolveCall.commit();
if (!prioritizedTasks.isEmpty() && context.contextDependency == ContextDependency.INDEPENDENT) {
results = completeTypeInferenceDependentOnExpectedType(context, results, tracing);
}
if (extension != null) {
extension.run(results, context);
}
return results;
}
@NotNull
public OverloadResolutionResults<FunctionDescriptor> resolveFunctionCall(
@NotNull BindingTrace trace,
@NotNull JetScope scope,
@NotNull Call call,
@NotNull JetType expectedType,
@NotNull DataFlowInfo dataFlowInfo) {
return resolveFunctionCall(
BasicCallResolutionContext.create(
trace,
scope,
call,
expectedType,
dataFlowInfo,
ContextDependency.INDEPENDENT,
CheckValueArgumentsMode.ENABLED,
ExpressionPosition.FREE,
ResolutionResultsCacheImpl.create(),
LabelResolver.create(),
null));
}
public OverloadResolutionResults<FunctionDescriptor> resolveCallWithKnownCandidate(
@NotNull Call call,
@Nullable TracingStrategy tracing,
@NotNull JetReferenceExpression reference,
@NotNull ResolutionContext<?> context,
@NotNull ResolutionCandidate<CallableDescriptor> candidate,
@Nullable MutableDataFlowInfoForArguments dataFlowInfoForArguments) {
BasicCallResolutionContext basicCallResolutionContext =
BasicCallResolutionContext.create(
context, call, CheckValueArgumentsMode.ENABLED, dataFlowInfoForArguments);
List<ResolutionTask<CallableDescriptor, FunctionDescriptor>> tasks =
TaskPrioritizer
.<CallableDescriptor, FunctionDescriptor>computePrioritizedTasksFromCandidates(
basicCallResolutionContext, reference, Collections.singleton(candidate), tracing);
return doResolveCallOrGetCachedResults(
ResolutionResultsCache.FUNCTION_MEMBER_TYPE,
basicCallResolutionContext,
tasks,
CallTransformer.FUNCTION_CALL_TRANSFORMER,
reference);
}