mockit.asm.Edge Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of jmockit Show documentation

JMockit is a Java toolkit for automated developer testing. It contains mocking/faking APIs and a code coverage tool, supporting both JUnit and TestNG. The mocking APIs allow all kinds of Java code, without testability restrictions, to be tested in isolation from selected dependencies.

There is a newer version: 1.49

Show newest version

package mockit.asm;

import javax.annotation.*;

/**
 * An edge in the control flow graph of a method body. See {@link Label}.
 */
final class Edge
{
   /**
    * Denotes a normal control flow graph edge.
    */
   static final int NORMAL = 0;

   /**
    * Denotes a control flow graph edge corresponding to an exception handler. More precisely any {@link Edge} whose
    * {@link #info} is strictly positive corresponds to an exception handler. The actual value of {@link #info} is the
    * index, in the {@link ClassWriter} type table, of the exception that is caught.
    */
   static final int EXCEPTION = 0x7FFFFFFF;

   /**
    * Information about this control flow graph edge. If ClassWriter#computeFrames is not used this field is
    * the (relative) stack size in the basic block from which this edge originates. This size is equal to the stack size
    * at the "jump" instruction to which this edge corresponds, relatively to the stack size at the beginning of the
    * originating basic block. If {@link ClassWriter#computeFrames} is used, this field is the kind of this control flow
    * graph edge (i.e. NORMAL or EXCEPTION).
    */
   final int info;

   /**
    * The successor block of the basic block from which this edge originates.
    */
   final Label successor;

   /**
    * The next edge in the list of successors of the originating basic block. See {@link Label#successors}.
    */
   Edge next;

   Edge(int info, @Nonnull Label successor) {
      this.info = info;
      this.successor = successor;
   }
}