@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;
}
@NotNull
public <D extends CallableDescriptor> JetTypeInfo getCallExpressionTypeInfoWithoutFinalTypeCheck(
@NotNull JetCallExpression callExpression,
@NotNull ReceiverValue receiver,
@Nullable ASTNode callOperationNode,
@NotNull ResolutionContext context,
@NotNull ResolveMode resolveMode,
@NotNull ResolutionResultsCache resolutionResultsCache) {
boolean[] result = new boolean[1];
Call call = CallMaker.makeCall(receiver, callOperationNode, callExpression);
TemporaryBindingTrace traceForFunction =
TemporaryBindingTrace.create(
context.trace, "trace to resolve as function call", callExpression);
ResolvedCallWithTrace<FunctionDescriptor> resolvedCall =
getResolvedCallForFunction(
call,
callExpression,
receiver,
context.replaceBindingTrace(traceForFunction),
resolveMode,
resolutionResultsCache,
result);
if (result[0]) {
FunctionDescriptor functionDescriptor =
resolvedCall != null ? resolvedCall.getResultingDescriptor() : null;
traceForFunction.commit();
if (callExpression.getValueArgumentList() == null
&& callExpression.getFunctionLiteralArguments().isEmpty()) {
// there are only type arguments
boolean hasValueParameters =
functionDescriptor == null || functionDescriptor.getValueParameters().size() > 0;
context.trace.report(
FUNCTION_CALL_EXPECTED.on(callExpression, callExpression, hasValueParameters));
}
if (functionDescriptor == null) {
return JetTypeInfo.create(null, context.dataFlowInfo);
}
JetType type = functionDescriptor.getReturnType();
return JetTypeInfo.create(type, resolvedCall.getDataFlowInfo());
}
JetExpression calleeExpression = callExpression.getCalleeExpression();
if (calleeExpression instanceof JetSimpleNameExpression
&& callExpression.getTypeArgumentList() == null) {
TemporaryBindingTrace traceForVariable =
TemporaryBindingTrace.create(
context.trace, "trace to resolve as variable with 'invoke' call", callExpression);
JetType type =
getVariableType(
(JetSimpleNameExpression) calleeExpression,
receiver,
callOperationNode,
context.replaceBindingTrace(traceForVariable),
result);
if (result[0]) {
traceForVariable.commit();
context.trace.report(
FUNCTION_EXPECTED.on(
(JetReferenceExpression) calleeExpression,
calleeExpression,
type != null ? type : ErrorUtils.createErrorType("")));
return JetTypeInfo.create(null, context.dataFlowInfo);
}
}
traceForFunction.commit();
return JetTypeInfo.create(null, context.dataFlowInfo);
}