Package org.jruby.truffle.nodes

Examples of org.jruby.truffle.nodes.RubyNode

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    @Override
    public RubyNode visitArgumentNode(org.jruby.ast.ArgumentNode node) {
        final SourceSection sourceSection = translate(node.getPosition());

        final RubyNode readNode = readArgument(sourceSection);
        final FrameSlot slot = methodBodyTranslator.getEnvironment().getFrameDescriptor().findFrameSlot(node.getName());
        return WriteLocalVariableNodeFactory.create(context, sourceSection, slot, readNode);
    }
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    @Override
    public RubyNode visitRestArgNode(org.jruby.ast.RestArgNode node) {
        final SourceSection sourceSection = translate(node.getPosition());

        final RubyNode readNode;

        int from = argsNode.getPreCount() + argsNode.getOptionalArgsCount();
        int to = -argsNode.getPostCount();
        if (useArray()) {
            readNode = ArraySliceNodeFactory.create(context, sourceSection, from, to, loadArray(sourceSection));
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    @Override
    public RubyNode visitBlockArgNode(org.jruby.ast.BlockArgNode node) {
        final SourceSection sourceSection = translate(node.getPosition());

        final RubyNode readNode = new ReadBlockNode(context, sourceSection, context.getCoreLibrary().getNilObject());
        final FrameSlot slot = methodBodyTranslator.getEnvironment().getFrameDescriptor().findFrameSlot(node.getName());
        return WriteLocalVariableNodeFactory.create(context, sourceSection, slot, readNode);
    }
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    }

    private RubyNode translateLocalAssignment(ISourcePosition sourcePosition, String name, org.jruby.ast.Node valueNode) {
        final SourceSection sourceSection = translate(sourcePosition);

        final RubyNode readNode;

        if (valueNode instanceof org.jruby.ast.NilImplicitNode) {
            // Multiple assignment

            if (useArray()) {
                readNode = ArrayIndexNodeFactory.create(context, sourceSection, index, loadArray(sourceSection));
            } else {
                readNode = readArgument(sourceSection);
            }
        } else {
            // Optional argument
            final RubyNode defaultValue = valueNode.accept(this);
            readNode = new ReadOptionalArgumentNode(context, sourceSection, index, index + 1 + argsNode.getPostCount(), defaultValue);
        }

        final FrameSlot slot = methodBodyTranslator.getEnvironment().getFrameDescriptor().findFrameSlot(name);
        return WriteLocalVariableNodeFactory.create(context, sourceSection, slot, readNode);
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        for (int n = 0; n < childNodes.size(); n++) {
            index = n;
            notNilSequence.add(childNodes.get(n).accept(this));
        }

        final RubyNode notNil = SequenceNode.sequence(context, sourceSection, notNilSequence);

        popArraySlot(arraySlot);

        final List<RubyNode> nilSequence = new ArrayList<>();

        if (!childNodes.isEmpty()) {
            // We haven't pushed a new array slot, so this will read the value which we couldn't convert to an array into the first destructured argument
            index = arrayIndex;
            nilSequence.add(childNodes.get(0).accept(this));
        }

        final RubyNode nil = SequenceNode.sequence(context, sourceSection, nilSequence);

        return SequenceNode.sequence(context, sourceSection,
                WriteLocalVariableNodeFactory.create(context, sourceSection, arraySlot,
                        ArrayCastNodeFactory.create(context, sourceSection,
                                readArgument(sourceSection))),
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            final CheckArityNode checkArity = new CheckArityNode(context, sourceSection, new Arity(0, 0, false));

            final SelfNode self = new SelfNode(context, sourceSection);
            final ReadInstanceVariableNode readInstanceVariable = new ReadInstanceVariableNode(context, sourceSection, "@" + name, self, false);

            final RubyNode block = SequenceNode.sequence(context, sourceSection, checkArity, readInstanceVariable);

            final String indicativeName = name + "(attr_reader)";

            final SharedMethodInfo sharedMethodInfo = SharedMethodInfo.generated(sourceSection, indicativeName);
            final RubyRootNode rootNode = new RubyRootNode(context, sourceSection, null, sharedMethodInfo, block);
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            final SelfNode self = new SelfNode(context, sourceSection);
            final ReadPreArgumentNode readArgument = new ReadPreArgumentNode(context, sourceSection, 0, MissingArgumentBehaviour.RUNTIME_ERROR);
            final WriteInstanceVariableNode writeInstanceVariable = new WriteInstanceVariableNode(context, sourceSection, "@" + name, self, readArgument, false);

            final RubyNode block = SequenceNode.sequence(context, sourceSection, checkArity, writeInstanceVariable);

            final String indicativeName = name + "(attr_writer)";

            final SharedMethodInfo sharedMethodInfo = SharedMethodInfo.generated(sourceSection, indicativeName);
            final RubyRootNode rootNode = new RubyRootNode(context, sourceSection, null, sharedMethodInfo, block);
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        final Arity arity = new Arity(required,  optional, methodDetails.getMethodAnnotation().argumentsAsArray());

        final List<RubyNode> argumentsNodes = new ArrayList<>();

        if (needsSelf) {
            RubyNode readSelfNode = new SelfNode(context, sourceSection);

            if (methodDetails.getMethodAnnotation().lowerFixnumSelf()) {
                readSelfNode = new FixnumLowerNode(readSelfNode);
            }

            argumentsNodes.add(readSelfNode);
        }

        if (methodDetails.getMethodAnnotation().argumentsAsArray()) {
            argumentsNodes.add(new ReadAllArgumentsNode(context, sourceSection));
        } else {
            for (int n = 0; n < arity.getRequired() + arity.getOptional(); n++) {
                RubyNode readArgumentNode = new ReadPreArgumentNode(context, sourceSection, n, MissingArgumentBehaviour.UNDEFINED);

                if (ArrayUtils.contains(methodDetails.getMethodAnnotation().lowerFixnumParameters(), n)) {
                    readArgumentNode = new FixnumLowerNode(readArgumentNode);
                }

                argumentsNodes.add(readArgumentNode);
            }
        }

        if (methodDetails.getMethodAnnotation().needsBlock()) {
            argumentsNodes.add(new ReadBlockNode(context, sourceSection, UndefinedPlaceholder.INSTANCE));
        }

        final RubyNode methodNode = methodDetails.getNodeFactory().createNode(context, sourceSection, argumentsNodes.toArray(new RubyNode[argumentsNodes.size()]));
        final CheckArityNode checkArity = new CheckArityNode(context, sourceSection, arity);
        final RubyNode block = SequenceNode.sequence(context, sourceSection, checkArity, methodNode);
        final ExceptionTranslatingNode exceptionTranslatingNode = new ExceptionTranslatingNode(context, sourceSection, block);

        return new RubyRootNode(context, sourceSection, null, sharedMethodInfo, exceptionTranslatingNode);
    }
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            throw new IllegalArgumentException("invalid prober for Ruby implementation");
        }
    }

    public RubyNode probeAsStatement(RubyNode node) {
        RubyNode result = node;

        for (RubyNodeProber nodeProber : probers) {
            result = nodeProber.probeAsStatement(result);
        }
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        return result;
    }

    public RubyNode probeAsPeriodic(RubyNode node) {
        RubyNode result = node;

        for (RubyNodeProber nodeProber : probers) {
            result = nodeProber.probeAsPeriodic(result);
        }
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Related Classes of org.jruby.truffle.nodes.RubyNode

  • org.jruby.truffle.nodes.core.CoreMethodNodeManager
  • org.jruby.truffle.nodes.core.ModuleNodes$AttrReaderNode
  • org.jruby.truffle.nodes.core.ModuleNodes$AttrWriterNode
  • org.jruby.truffle.nodes.debug.RubyASTProber
  • org.jruby.truffle.translator.LoadArgumentsTranslator
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