com.oracle.truffle.api.nodes.Node.getRootNode()方法的使用及代码示例

x33g5p2x  于2022-01-25 转载在 其他  
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本文整理了Java中com.oracle.truffle.api.nodes.Node.getRootNode()方法的一些代码示例，展示了Node.getRootNode()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Node.getRootNode()方法的具体详情如下：
包路径：com.oracle.truffle.api.nodes.Node
类名称：Node
方法名：getRootNode

Node.getRootNode介绍

[英]Get the root node of the tree a node belongs to.
[中]获取节点所属树的根节点。

代码示例

代码示例来源：origin: org.graalvm.truffle/truffle-api

  1. /**
  2.  * Returns a lock object that can be used to synchronize modifications to the AST. Don't lock if
  3.  * you call into foreign code with potential recursions to avoid deadlocks. Use responsibly.
  4.  *
  5.  * @since 0.19
  6.  */
  7. protected final Lock getLock() {
  8.   // Major Assumption: parent is never null after a node got adopted
  9.   // it is never reset to null, and thus, rootNode is always reachable.
  10.   // GIL: used for nodes that are replace in ASTs that are not yet adopted
  11.   RootNode root = getRootNode();
  12.   return root == null ? GIL_LOCK : root.lock;
  13. }

代码示例来源：origin: com.oracle.truffle/truffle-api

  1. /**
  2.  * Returns a lock object that can be used to synchronize modifications to the AST. Don't lock if
  3.  * you call into foreign code with potential recursions to avoid deadlocks. Use responsibly.
  4.  *
  5.  * @since 0.19
  6.  */
  7. protected final Lock getLock() {
  8.   // Major Assumption: parent is never null after a node got adopted
  9.   // it is never reset to null, and thus, rootNode is always reachable.
  10.   // GIL: used for nodes that are replace in ASTs that are not yet adopted
  11.   RootNode root = getRootNode();
  12.   return root == null ? GIL_LOCK : root.lock;
  13. }

代码示例来源：origin: com.oracle.truffle/truffle-api

  1. DefaultScopeVariables(Node node) {
  2.   this.root = node.getRootNode();
  3. }

代码示例来源：origin: com.oracle/truffle

  1. public String displayMethodName(Node node) {
  2.   if (node == null) {
  3.     return null;
  4.   }
  5.   RootNode root = node.getRootNode();
  6.   if (root == null) {
  7.     return "unknown";
  8.   }
  9.   return root.getCallTarget().toString();
  10. }

代码示例来源：origin: com.oracle/truffle

  1. public final void atomic(Runnable closure) {
  2.   RootNode rootNode = getRootNode();
  3.   synchronized (rootNode != null ? rootNode : GIL) {
  4.     assert enterAtomic();
  5.     try {
  6.       closure.run();
  7.     } finally {
  8.       assert exitAtomic();
  9.     }
  10.   }
  11. }

代码示例来源：origin: org.graalvm.truffle/truffle-api

  1. private static TruffleLanguage.Env getLangEnv(Node node) {
  2.   LanguageInfo languageInfo = node.getRootNode().getLanguageInfo();
  3.   if (languageInfo == null) {
  4.     throw new IllegalArgumentException("No language available for given node.");
  5.   }
  6.   return AccessorInstrumentHandler.engineAccess().getEnvForInstrument(languageInfo);
  7. }

代码示例来源：origin: com.oracle.truffle/truffle-api

  1. private static TruffleLanguage.Env getLangEnv(Node node) {
  2.   LanguageInfo languageInfo = node.getRootNode().getLanguageInfo();
  3.   if (languageInfo == null) {
  4.     throw new IllegalArgumentException("No language available for given node.");
  5.   }
  6.   return AccessorInstrumentHandler.engineAccess().getEnvForInstrument(languageInfo);
  7. }

代码示例来源：origin: org.graalvm.truffle/truffle-api

  1. private static Set<Class<?>> getProvidedTags(Node node) {
  2.   Objects.requireNonNull(node);
  3.   RootNode root = node.getRootNode();
  4.   if (root == null) {
  5.     return Collections.emptySet();
  6.   }
  7.   Object sourceVM = InstrumentationHandler.AccessorInstrumentHandler.nodesAccess().getSourceVM(root);
  8.   if (sourceVM == null) {
  9.     return Collections.emptySet();
  10.   }
  11.   InstrumentationHandler handler = (InstrumentationHandler) InstrumentationHandler.AccessorInstrumentHandler.engineAccess().getInstrumentationHandler(sourceVM);
  12.   return handler.getProvidedTags(node);
  13. }

代码示例来源：origin: org.graalvm.truffle/truffle-api

  1. RootNode findCurrentRoot() {
  2.   Node node = traceElement.getLocation();
  3.   if (node != null) {
  4.     return node.getRootNode();
  5.   }
  6.   RootCallTarget target = traceElement.getTarget();
  7.   return target.getRootNode();
  8. }

代码示例来源：origin: org.graalvm.truffle/truffle-api

  1. public String getRootName() {
  2.   RootNode rootNode = context.getInstrumentedNode().getRootNode();
  3.   if (rootNode == null) {
  4.     // defensive check
  5.     return null;
  6.   }
  7.   try {
  8.     return rootNode.getName();
  9.   } catch (Throwable t) {
  10.     throw wrapHostError(t);
  11.   }
  12. }

代码示例来源：origin: org.graalvm.tools/profiler

  1. private static String extractRootName(Node instrumentedNode) {
  2.   RootNode rootNode = instrumentedNode.getRootNode();
  3.   if (rootNode != null) {
  4.     if (rootNode.getName() == null) {
  5.       return rootNode.toString();
  6.     } else {
  7.       return rootNode.getName();
  8.     }
  9.   } else {
  10.     return "<Unknown>";
  11.   }
  12. }

代码示例来源：origin: org.graalvm.truffle/truffle-api

  1. Set<Class<?>> getProvidedTags(Node root) {
  2.   return getProvidedTags(AccessorInstrumentHandler.nodesAccess().getLanguage(root.getRootNode()));
  3. }

代码示例来源：origin: com.oracle.truffle/truffle-debug

  1. @Override
  2. protected void onDispose(VirtualFrame frame) {
  3.   FrameDescriptor frameDescriptor = context.getInstrumentedNode().getRootNode().getFrameDescriptor();
  4.   if (frameDescriptor.getIdentifiers().contains(KEY_TIME_STARTED)) {
  5.     frameDescriptor.removeFrameSlot(KEY_TIME_STARTED);
  6.   }
  7.   if (frameDescriptor.getIdentifiers().contains(KEY_PARENT_COUNTER)) {
  8.     frameDescriptor.removeFrameSlot(KEY_PARENT_COUNTER);
  9.   }
  10. }

代码示例来源：origin: com.oracle.truffle/truffle-debug

  1. private ExecutionEventNode createCountingNode(EventContext context) {
  2.   SourceSection sourceSection = context.getInstrumentedSourceSection();
  3.   Counter counter = counters.get(sourceSection);
  4.   if (counter == null) {
  5.     final RootNode rootNode = context.getInstrumentedNode().getRootNode();
  6.     counter = new Counter(sourceSection, rootNode == null ? "<unknown>>" : rootNode.getName());
  7.     counters.put(sourceSection, counter);
  8.   }
  9.   if (isTiming) {
  10.     return TimedCounterNode.create(this, counter, context);
  11.   } else {
  12.     return new CounterNode(this, counter);
  13.   }
  14. }

代码示例来源：origin: com.oracle.truffle/truffle-debug

  1. TimedCounterNode(Profiler profiler, Counter counter, EventContext context) {
  2.   super(profiler, counter);
  3.   this.context = context;
  4.   FrameDescriptor frameDescriptor = context.getInstrumentedNode().getRootNode().getFrameDescriptor();
  5.   this.timeStartedSlot = frameDescriptor.findOrAddFrameSlot(KEY_TIME_STARTED, "profiler:timeStarted", FrameSlotKind.Long);
  6.   this.parentCounterSlot = frameDescriptor.findOrAddFrameSlot(KEY_PARENT_COUNTER, "profiler:parentCounter", FrameSlotKind.Object);
  7. }

代码示例来源：origin: org.graalvm.compiler/compiler

  1. @Override
  2.   protected void reportPolymorphicSpecialize(Node source) {
  3.     if (TruffleRuntimeOptions.getValue(SharedTruffleRuntimeOptions.TruffleExperimentalSplitting)) {
  4.       TruffleSplittingStrategy.newPolymorphicSpecialize(source);
  5.       final RootNode rootNode = source.getRootNode();
  6.       final OptimizedCallTarget callTarget = rootNode == null ? null : (OptimizedCallTarget) rootNode.getCallTarget();
  7.       if (callTarget != null) {
  8.         callTarget.polymorphicSpecialize(source);
  9.       }
  10.     }
  11.   }
  12. }

代码示例来源：origin: com.oracle.truffle/truffle-api

  1. static Iterable<Scope> lexicalScope(Node node, Frame frame) {
  2.   RootNode root = node.getRootNode();
  3.   String name = root.getName();
  4.   if (name == null) {
  5.     name = "local";
  6.   }
  7.   return Collections.singletonList(Scope.newBuilder(name, getVariables(root, frame)).node(root).arguments(getArguments(frame)).build());
  8. }

代码示例来源：origin: org.graalvm.truffle/truffle-api

  1. static Iterable<Scope> lexicalScope(Node node, Frame frame) {
  2.   RootNode root = node.getRootNode();
  3.   String name = root.getName();
  4.   if (name == null) {
  5.     name = "local";
  6.   }
  7.   return Collections.singletonList(Scope.newBuilder(name, getVariables(root, frame)).node(root).arguments(getArguments(frame)).build());
  8. }

代码示例来源：origin: com.oracle.truffle/truffle-api

  1. protected CallTarget parse(Source code, Node context, String... argumentNames) {
  2.   RootNode rootNode = context.getRootNode();
  3.   return languageSupport().parse(engineSupport().getEnvForInstrument(rootNode.getLanguageInfo()), code, context, argumentNames);
  4. }

代码示例来源：origin: org.graalvm.truffle/truffle-api

  1. protected CallTarget parse(Source code, Node context, String... argumentNames) {
  2.   RootNode rootNode = context.getRootNode();
  3.   return languageSupport().parse(engineSupport().getEnvForInstrument(rootNode.getLanguageInfo()), code, context, argumentNames);
  4. }

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