public static SInvokable constructPrimitive(
final SSymbol signature,
final NodeFactory<? extends ExpressionNode> nodeFactory,
final Universe universe,
final SClass holder) {
CompilerAsserts.neverPartOfCompilation();
int numArgs = signature.getNumberOfSignatureArguments();
MethodGenerationContext mgen = new MethodGenerationContext(null);
ExpressionNode[] args = new ExpressionNode[numArgs];
for (int i = 0; i < numArgs; i++) {
args[i] = new LocalArgumentReadNode(i, null);
}
ExpressionNode primNode;
switch (numArgs) {
case 1:
primNode = nodeFactory.createNode(args[0]);
break;
case 2:
// HACK for node class where we use `executeWith`
if (nodeFactory == PutAllNodeFactory.getInstance()) {
primNode = nodeFactory.createNode(args[0], args[1], LengthPrimFactory.create(null));
} else {
primNode = nodeFactory.createNode(args[0], args[1]);
}
break;
case 3:
// HACK for node class where we use `executeWith`
if (nodeFactory == InvokeOnPrimFactory.getInstance()) {
primNode =
nodeFactory.createNode(
args[0], args[1], args[2], ToArgumentsArrayNodeGen.create(null, null));
} else {
primNode = nodeFactory.createNode(args[0], args[1], args[2]);
}
break;
case 4:
primNode = nodeFactory.createNode(args[0], args[1], args[2], args[3]);
break;
default:
throw new RuntimeException("Not supported by SOM.");
}
Primitive primMethodNode =
new Primitive(
primNode,
mgen.getCurrentLexicalScope().getFrameDescriptor(),
(ExpressionNode) primNode.deepCopy());
SInvokable prim = Universe.newMethod(signature, primMethodNode, true, new SMethod[0]);
return prim;
}
@Specialization
public final String doSSymbol(final SSymbol receiver) {
return receiver.getString();
}