@TruffleBoundary
protected static Object encodeArgumentPairList(RArgsValuesAndNames args, String symbolName) {
Object list = RNull.instance;
for (int i = args.getLength() - 1; i >= 0; i--) {
String name = args.getSignature().getName(i);
list =
RDataFactory.createPairList(
args.getArgument(i),
list,
name == null ? RNull.instance : RDataFactory.createSymbolInterned(name));
}
list = RDataFactory.createPairList(symbolName, list);
return list;
}
@Specialization
protected Object castFunction(RFunction f) {
if (isNonVectorPreserved()) {
return f;
} else {
return RDataFactory.createList();
}
}
@Specialization
protected Object castNull(@SuppressWarnings("unused") RNull rnull) {
if (isNonVectorPreserved()) {
return RNull.instance;
} else {
return RDataFactory.createList();
}
}
@Specialization(
guards = {
"!copyAllAttributes || target != source",
"containsMetadata(source, attrSourceProfiles)"
})
public RAbstractVector copySameLength(
RAbstractVector target,
RAbstractVector source, //
@Cached("create()") CopyOfRegAttributesNode copyOfReg, //
@Cached("createDim()") RemoveAttributeNode removeDim, //
@Cached("createDimNames()") RemoveAttributeNode removeDimNames, //
@Cached("create()") InitAttributesNode initAttributes, //
@Cached("createNames()") PutAttributeNode putNames, //
@Cached("createDim()") PutAttributeNode putDim, //
@Cached("createBinaryProfile()") ConditionProfile noDimensions, //
@Cached("createBinaryProfile()") ConditionProfile hasNamesSource, //
@Cached("createBinaryProfile()") ConditionProfile hasDimNames) {
RVector result = target.materialize();
if (copyAllAttributes) {
copyOfReg.execute(source, result);
}
int[] newDimensions = source.getDimensions();
if (noDimensions.profile(newDimensions == null)) {
RAttributes attributes = result.getAttributes();
if (attributes != null) {
removeDim.execute(attributes);
removeDimNames.execute(attributes);
result.setInternalDimNames(null);
}
result.setInternalDimensions(null);
RStringVector vecNames = source.getNames(attrSourceProfiles);
if (hasNamesSource.profile(vecNames != null)) {
putNames.execute(initAttributes.execute(result), vecNames);
result.setInternalNames(vecNames);
return result;
}
return result;
}
putDim.execute(
initAttributes.execute(result),
RDataFactory.createIntVector(newDimensions, RDataFactory.COMPLETE_VECTOR));
result.setInternalDimensions(newDimensions);
RList newDimNames = source.getDimNames(attrSourceProfiles);
if (hasDimNames.profile(newDimNames != null)) {
result.getAttributes().put(RRuntime.DIMNAMES_ATTR_KEY, newDimNames);
newDimNames.elementNamePrefix = RRuntime.DIMNAMES_LIST_ELEMENT_NAME_PREFIX;
result.setInternalDimNames(newDimNames);
return result;
}
return result;
}
@Override
public Object getRelementImpl(int index) {
if (index == 0) {
String name = getBuiltin().getName();
assert name == name.intern();
return RDataFactory.createSymbol(name);
} else {
throw RInternalError.unimplemented();
}
}