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comparison graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/Node.java @ 20130:8dc73c226c63

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Truffle: cache NodeClass lookup in Node.
author Christian Humer <christian.humer@gmail.com>
date Thu, 02 Apr 2015 01:26:31 +0200
parents f792b4270cb1
children 4b12d5355811
comparison
equal deleted inserted replaced
20129:5b7db8941fd7 20130:8dc73c226c63
38 /** 38 /**
39 * Abstract base class for all Truffle nodes. 39 * Abstract base class for all Truffle nodes.
40 */ 40 */
41 public abstract class Node implements NodeInterface, Cloneable { 41 public abstract class Node implements NodeInterface, Cloneable {
42 42
43 private final NodeClass nodeClass;
43 @CompilationFinal private Node parent; 44 @CompilationFinal private Node parent;
44 @CompilationFinal private SourceSection sourceSection; 45 @CompilationFinal private SourceSection sourceSection;
45 46
46 /** 47 /**
47 * Marks array fields that are children of this node. 48 * Marks array fields that are children of this node.
64 } 65 }
65 66
66 protected Node(SourceSection sourceSection) { 67 protected Node(SourceSection sourceSection) {
67 CompilerAsserts.neverPartOfCompilation(); 68 CompilerAsserts.neverPartOfCompilation();
68 this.sourceSection = sourceSection; 69 this.sourceSection = sourceSection;
70 this.nodeClass = NodeClass.get(getClass());
69 if (TruffleOptions.TraceASTJSON) { 71 if (TruffleOptions.TraceASTJSON) {
70 JSONHelper.dumpNewNode(this); 72 JSONHelper.dumpNewNode(this);
71 } 73 }
72 } 74 }
73 75
84 if (getSourceSection() != section) { 86 if (getSourceSection() != section) {
85 throw new IllegalStateException("Source section is already assigned. Old: " + getSourceSection() + ", new: " + section); 87 throw new IllegalStateException("Source section is already assigned. Old: " + getSourceSection() + ", new: " + section);
86 } 88 }
87 } 89 }
88 this.sourceSection = section; 90 this.sourceSection = section;
91 }
92
93 NodeClass getNodeClass() {
94 return nodeClass;
89 } 95 }
90 96
91 /** 97 /**
92 * Returns a rough estimate for the cost of this {@link Node}. This estimate can be used by 98 * Returns a rough estimate for the cost of this {@link Node}. This estimate can be used by
93 * runtime systems or guest languages to implement heuristics based on Truffle ASTs. This method 99 * runtime systems or guest languages to implement heuristics based on Truffle ASTs. This method
342 * @return the iterator 348 * @return the iterator
343 */ 349 */
344 public final Iterable<Node> getChildren() { 350 public final Iterable<Node> getChildren() {
345 return new Iterable<Node>() { 351 return new Iterable<Node>() {
346 public Iterator<Node> iterator() { 352 public Iterator<Node> iterator() {
347 return NodeUtil.makeIterator(Node.this); 353 return nodeClass.makeIterator(Node.this);
348 } 354 }
349 }; 355 };
350 } 356 }
351 357
352 /** 358 /**