private <D extends CallableDescriptor> OverloadResolutionResults<D> resolveFunctionArguments(
@NotNull BasicCallResolutionContext context,
@NotNull OverloadResolutionResultsImpl<D> results) {
if (results.isSingleResult()) {
argumentTypeResolver.checkTypesForFunctionArguments(
context, results.getResultingCall().getCallToCompleteTypeArgumentInference());
} else {
argumentTypeResolver.checkTypesForFunctionArgumentsWithNoCallee(context);
}
return results;
}
private <D extends CallableDescriptor> void completeTypeInferenceDependentOnFunctionLiterals(
@NotNull BasicCallResolutionContext context,
@NotNull OverloadResolutionResultsImpl<D> results,
@NotNull TracingStrategy tracing) {
if (!results.isSingleResult()) {
if (results.getResultCode() == INCOMPLETE_TYPE_INFERENCE) {
argumentTypeResolver.checkTypesWithNoCallee(context, RESOLVE_FUNCTION_ARGUMENTS);
}
return;
}
CallCandidateResolutionContext<D> candidateContext =
CallCandidateResolutionContext.createForCallBeingAnalyzed(
results.getResultingCall().getCallToCompleteTypeArgumentInference(), context, tracing);
candidateResolver.completeTypeInferenceDependentOnFunctionLiteralsForCall(candidateContext);
}
@NotNull
private <D extends CallableDescriptor, F extends D>
OverloadResolutionResultsImpl<F> performResolution(
@NotNull ResolutionTask<D, F> task, @NotNull CallTransformer<D, F> callTransformer) {
for (ResolutionCandidate<D> resolutionCandidate : task.getCandidates()) {
TemporaryBindingTrace candidateTrace =
TemporaryBindingTrace.create(task.trace, "trace to resolve candidate");
Collection<CallCandidateResolutionContext<D>> contexts =
callTransformer.createCallContexts(resolutionCandidate, task, candidateTrace);
for (CallCandidateResolutionContext<D> context : contexts) {
candidateResolver.performResolutionForCandidateCall(context, task);
/* important for 'variable as function case': temporary bind reference to descriptor (will be rewritten)
to have a binding to variable while 'invoke' call resolve */
task.tracing.bindReference(context.candidateCall.getTrace(), context.candidateCall);
Collection<ResolvedCallWithTrace<F>> calls =
callTransformer.transformCall(context, this, task);
for (ResolvedCallWithTrace<F> call : calls) {
task.tracing.bindReference(call.getTrace(), call);
task.tracing.bindResolvedCall(call.getTrace(), call);
task.getResolvedCalls().add(call);
}
}
}
OverloadResolutionResultsImpl<F> results =
ResolutionResultsHandler.INSTANCE.computeResultAndReportErrors(
task.trace, task.tracing, task.getResolvedCalls());
if (!results.isSingleResult() && !results.isIncomplete()) {
argumentTypeResolver.checkTypesWithNoCallee(task.toBasic());
}
return results;
}
private <D extends CallableDescriptor>
OverloadResolutionResultsImpl<D> completeTypeInferenceDependentOnExpectedType(
@NotNull BasicCallResolutionContext context,
@NotNull OverloadResolutionResultsImpl<D> results,
@NotNull TracingStrategy tracing) {
if (results.isSingleResult()) {
argumentTypeResolver.checkUnmappedArgumentTypes(
context,
results
.getResultingCall()
.getCallToCompleteTypeArgumentInference()
.getUnmappedArguments());
}
if (!results.isSingleResult()) return results;
ResolvedCallImpl<D> resolvedCall =
results.getResultingCall().getCallToCompleteTypeArgumentInference();
if (!resolvedCall.hasIncompleteTypeParameters()) {
CallCandidateResolutionContext<D> callCandidateResolutionContext =
CallCandidateResolutionContext.createForCallBeingAnalyzed(resolvedCall, context, tracing);
candidateResolver.completeNestedCallsInference(callCandidateResolutionContext);
candidateResolver.checkValueArgumentTypes(callCandidateResolutionContext);
return results;
}
ResolvedCallImpl<D> copy = CallResolverUtil.copy(resolvedCall, context);
CallCandidateResolutionContext<D> callCandidateResolutionContext =
CallCandidateResolutionContext.createForCallBeingAnalyzed(copy, context, tracing);
candidateResolver.completeTypeInferenceDependentOnExpectedTypeForCall(
callCandidateResolutionContext, false);
if (copy.getStatus().isSuccess()) {
return OverloadResolutionResultsImpl.success(copy);
}
return OverloadResolutionResultsImpl.incompleteTypeInference(copy);
}
@NotNull
private <D extends CallableDescriptor, F extends D>
OverloadResolutionResultsImpl<F> doResolveCall(
@NotNull BasicCallResolutionContext context,
@NotNull List<ResolutionTask<D, F>> prioritizedTasks, // high to low priority
@NotNull CallTransformer<D, F> callTransformer,
@NotNull JetReferenceExpression reference) {
ResolutionDebugInfo.Data debugInfo = ResolutionDebugInfo.create();
context.trace.record(
ResolutionDebugInfo.RESOLUTION_DEBUG_INFO, context.call.getCallElement(), debugInfo);
context.trace.record(RESOLUTION_SCOPE, context.call.getCalleeExpression(), context.scope);
if (context.dataFlowInfo.hasTypeInfoConstraints()) {
context.trace.record(
NON_DEFAULT_EXPRESSION_DATA_FLOW,
context.call.getCalleeExpression(),
context.dataFlowInfo);
}
debugInfo.set(ResolutionDebugInfo.TASKS, prioritizedTasks);
if (context.checkArguments == CheckValueArgumentsMode.ENABLED) {
argumentTypeResolver.analyzeArgumentsAndRecordTypes(context);
}
TemporaryBindingTrace traceForFirstNonemptyCandidateSet = null;
OverloadResolutionResultsImpl<F> resultsForFirstNonemptyCandidateSet = null;
for (ResolutionTask<D, F> task : prioritizedTasks) {
TemporaryBindingTrace taskTrace =
TemporaryBindingTrace.create(
context.trace, "trace to resolve a task for", task.reference);
OverloadResolutionResultsImpl<F> results =
performResolutionGuardedForExtraFunctionLiteralArguments(
task.replaceBindingTrace(taskTrace), callTransformer);
if (results.isSuccess() || results.isAmbiguity()) {
taskTrace.commit();
if (results.isSuccess()) {
debugInfo.set(ResolutionDebugInfo.RESULT, results.getResultingCall());
}
resolveFunctionArguments(context, results);
return results;
}
if (results.getResultCode() == INCOMPLETE_TYPE_INFERENCE) {
results.setTrace(taskTrace);
return results;
}
boolean updateResults =
traceForFirstNonemptyCandidateSet == null
|| (resultsForFirstNonemptyCandidateSet.getResultCode()
== CANDIDATES_WITH_WRONG_RECEIVER
&& results.getResultCode() != CANDIDATES_WITH_WRONG_RECEIVER);
if (!task.getCandidates().isEmpty() && !results.isNothing() && updateResults) {
traceForFirstNonemptyCandidateSet = taskTrace;
resultsForFirstNonemptyCandidateSet = results;
}
}
if (traceForFirstNonemptyCandidateSet != null) {
traceForFirstNonemptyCandidateSet.commit();
if (resultsForFirstNonemptyCandidateSet.isSingleResult()) {
debugInfo.set(
ResolutionDebugInfo.RESULT, resultsForFirstNonemptyCandidateSet.getResultingCall());
}
resolveFunctionArguments(context, resultsForFirstNonemptyCandidateSet);
} else {
context.trace.report(UNRESOLVED_REFERENCE.on(reference, reference));
argumentTypeResolver.checkTypesWithNoCallee(context, RESOLVE_FUNCTION_ARGUMENTS);
}
return resultsForFirstNonemptyCandidateSet != null
? resultsForFirstNonemptyCandidateSet
: OverloadResolutionResultsImpl.<F>nameNotFound();
}
private <D extends CallableDescriptor> OverloadResolutionResultsImpl<D> checkArgumentTypesAndFail(
BasicCallResolutionContext context) {
argumentTypeResolver.checkTypesWithNoCallee(context);
return OverloadResolutionResultsImpl.nameNotFound();
}