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package org.graalvm.compiler.phases;

import org.graalvm.compiler.nodes.StructuredGraph;

This phase serves as a verification, in order to check the graph for certain properties. The verify(StructuredGraph, Object) method will be used as an assertion, and implements the actual check. Instead of returning false, it is also valid to throw an VerificationError in the implemented verify(StructuredGraph, Object) method.
/*** * This phase serves as a verification, in order to check the graph for certain properties. The * {@link #verify(StructuredGraph, Object)} method will be used as an assertion, and implements the * actual check. Instead of returning false, it is also valid to throw an {@link VerificationError} * in the implemented {@link #verify(StructuredGraph, Object)} method. */
public abstract class VerifyPhase<C> extends BasePhase<C> {
Thrown when verification performed by a VerifyPhase fails.
/** * Thrown when verification performed by a {@link VerifyPhase} fails. */
@SuppressWarnings("serial") public static class VerificationError extends AssertionError { public VerificationError(String message) { super(message); } public VerificationError(String format, Object... args) { super(String.format(format, args)); } public VerificationError(String message, Throwable cause) { super(message, cause); } } @Override protected final void run(StructuredGraph graph, C context) { assert verify(graph, context); }
Performs the actual verification.
Throws:
  • VerificationError – if the verification fails
/** * Performs the actual verification. * * @throws VerificationError if the verification fails */
protected abstract boolean verify(StructuredGraph graph, C context); }