@Override
public Void visitInvocationExpression(final InvocationExpression node, final Void data) {
super.visitInvocationExpression(node, data);
final AstNodeCollection<Expression> arguments = node.getArguments();
final Expression lastArgument = arguments.lastOrNullObject();
Expression arrayArg = lastArgument;
if (arrayArg instanceof CastExpression) arrayArg = ((CastExpression) arrayArg).getExpression();
if (arrayArg == null
|| arrayArg.isNull()
|| !(arrayArg instanceof ArrayCreationExpression
&& node.getTarget() instanceof MemberReferenceExpression)) {
return null;
}
final ArrayCreationExpression newArray = (ArrayCreationExpression) arrayArg;
final MemberReferenceExpression target = (MemberReferenceExpression) node.getTarget();
if (!newArray.getAdditionalArraySpecifiers().hasSingleElement()) {
return null;
}
final MethodReference method = (MethodReference) node.getUserData(Keys.MEMBER_REFERENCE);
if (method == null) {
return null;
}
final MethodDefinition resolved = method.resolve();
if (resolved == null || !resolved.isVarArgs()) {
return null;
}
final List<MethodReference> candidates;
final Expression invocationTarget = target.getTarget();
if (invocationTarget == null || invocationTarget.isNull()) {
candidates =
MetadataHelper.findMethods(
context.getCurrentType(), MetadataFilters.matchName(resolved.getName()));
} else {
final ResolveResult targetResult = _resolver.apply(invocationTarget);
if (targetResult == null || targetResult.getType() == null) {
return null;
}
candidates =
MetadataHelper.findMethods(
targetResult.getType(), MetadataFilters.matchName(resolved.getName()));
}
final List<TypeReference> argTypes = new ArrayList<>();
for (final Expression argument : arguments) {
final ResolveResult argResult = _resolver.apply(argument);
if (argResult == null || argResult.getType() == null) {
return null;
}
argTypes.add(argResult.getType());
}
final MethodBinder.BindResult c1 = MethodBinder.selectMethod(candidates, argTypes);
if (c1.isFailure() || c1.isAmbiguous()) {
return null;
}
argTypes.remove(argTypes.size() - 1);
final ArrayInitializerExpression initializer = newArray.getInitializer();
final boolean hasElements = !initializer.isNull() && !initializer.getElements().isEmpty();
if (hasElements) {
for (final Expression argument : initializer.getElements()) {
final ResolveResult argResult = _resolver.apply(argument);
if (argResult == null || argResult.getType() == null) {
return null;
}
argTypes.add(argResult.getType());
}
}
final MethodBinder.BindResult c2 = MethodBinder.selectMethod(candidates, argTypes);
if (c2.isFailure()
|| c2.isAmbiguous()
|| !StringUtilities.equals(
c2.getMethod().getErasedSignature(), c1.getMethod().getErasedSignature())) {
return null;
}
lastArgument.remove();
if (!hasElements) {
return null;
}
for (final Expression newArg : initializer.getElements()) {
newArg.remove();
arguments.add(newArg);
}
return null;
}
