예제 #1
0
  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;
  }
예제 #2
0
  public static SInvokable constructEmptyPrimitive(final SSymbol signature) {
    CompilerAsserts.neverPartOfCompilation();
    MethodGenerationContext mgen = new MethodGenerationContext(null);

    ExpressionNode primNode = EmptyPrim.create(new LocalArgumentReadNode(0, null));
    Primitive primMethodNode =
        new Primitive(
            primNode,
            mgen.getCurrentLexicalScope().getFrameDescriptor(),
            (ExpressionNode) primNode.deepCopy());
    SInvokable prim = Universe.newMethod(signature, primMethodNode, true, new SMethod[0]);
    return prim;
  }