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A Java Optimization Framework
There is a newer version: 4.6.0
package soot.grimp.internal;

/*-
 * #%L
 * Soot - a J*va Optimization Framework
 * %%
 * Copyright (C) 1999 Patrick Lam
 * Copyright (C) 2004 Ondrej Lhotak
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 2.1 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */

import java.util.ArrayList;
import java.util.List;

import soot.SootMethod;
import soot.SootMethodRef;
import soot.UnitPrinter;
import soot.Value;
import soot.ValueBox;
import soot.grimp.Grimp;
import soot.jimple.DynamicInvokeExpr;
import soot.jimple.ExprSwitch;
import soot.jimple.Jimple;
import soot.jimple.internal.AbstractInvokeExpr;
import soot.util.Switch;

@SuppressWarnings({ "serial", "rawtypes", "unchecked" })
public class GDynamicInvokeExpr extends AbstractInvokeExpr implements DynamicInvokeExpr {
  protected ValueBox[] bsmArgBoxes;
  private SootMethodRef bsmRef;

  protected int tag;

  public GDynamicInvokeExpr(SootMethodRef bootStrapMethodRef, List bootstrapArgs, SootMethodRef methodRef, int tag,
      List args) {
    super(methodRef, new ValueBox[args.size()]);
    this.bsmRef = bootStrapMethodRef;
    this.tag = tag;
    for (int i = 0; i < args.size(); i++) {
      this.argBoxes[i] = Grimp.v().newExprBox((Value) args.get(i));
    }
    for (int i = 0; i < bootstrapArgs.size(); i++) {
      this.bsmArgBoxes[i] = Grimp.v().newExprBox((Value) bootstrapArgs.get(i));
    }
  }

  public Object clone() {
    ArrayList clonedArgs = new ArrayList(getArgCount());

    for (int i = 0; i < getArgCount(); i++) {
      clonedArgs.add(i, Grimp.cloneIfNecessary(getArg(i)));
    }

    ArrayList clonedBsmArgs = new ArrayList(getBootstrapArgCount());
    for (int i = 0; i < getBootstrapArgCount(); i++) {
      clonedBsmArgs.add(i, getBootstrapArg(i));
    }

    return new GDynamicInvokeExpr(bsmRef, clonedBsmArgs, methodRef, tag, clonedArgs);
  }

  public Value getBootstrapArg(int i) {
    return bsmArgBoxes[i].getValue();
  }

  public int getBootstrapArgCount() {
    return bsmArgBoxes.length;
  }

  public void apply(Switch sw) {
    ((ExprSwitch) sw).caseDynamicInvokeExpr(this);
  }

  public boolean equivTo(Object o) {
    if (o instanceof GDynamicInvokeExpr) {
      GDynamicInvokeExpr ie = (GDynamicInvokeExpr) o;
      if (!(getMethod().equals(ie.getMethod())
          && (argBoxes == null ? 0 : argBoxes.length) == (ie.argBoxes == null ? 0 : ie.argBoxes.length))) {
        return false;
      }
      if (argBoxes != null) {
        for (ValueBox element : argBoxes) {
          if (!(element.getValue().equivTo(element.getValue()))) {
            return false;
          }
        }
      }
      if (!methodRef.equals(ie.methodRef)) {
        return false;
      }
      if (!bsmRef.equals(ie.bsmRef)) {
        return false;
      }
      return true;
    }
    return false;
  }

  public int equivHashCode() {
    return getMethod().equivHashCode();
  }

  public SootMethodRef getBootstrapMethodRef() {
    return bsmRef;
  }

  public List getBootstrapArgs() {
    List l = new ArrayList();
    for (ValueBox element : bsmArgBoxes) {
      l.add(element.getValue());
    }

    return l;
  }

  public String toString() {
    StringBuffer buffer = new StringBuffer();

    buffer.append(Jimple.DYNAMICINVOKE);
    buffer.append(" \"");
    buffer.append(methodRef.name()); // quoted method name (can be any UTF8 string)
    buffer.append("\" <");
    buffer
        .append(SootMethod.getSubSignature(""/* no method name here */, methodRef.parameterTypes(), methodRef.returnType()));
    buffer.append(">(");

    if (argBoxes != null) {
      for (int i = 0; i < argBoxes.length; i++) {
        if (i != 0) {
          buffer.append(", ");
        }

        buffer.append(argBoxes[i].getValue().toString());
      }
    }

    buffer.append(") ");

    buffer.append(bsmRef.getSignature());
    buffer.append("(");
    for (int i = 0; i < bsmArgBoxes.length; i++) {
      if (i != 0) {
        buffer.append(", ");
      }

      buffer.append(bsmArgBoxes[i].getValue().toString());
    }
    buffer.append(")");

    return buffer.toString();
  }

  public void toString(UnitPrinter up) {
    up.literal(Jimple.DYNAMICINVOKE);
    up.literal(" \"" + methodRef.name() + "\" <"
        + SootMethod.getSubSignature(""/* no method name here */, methodRef.parameterTypes(), methodRef.returnType())
        + ">(");

    if (argBoxes != null) {
      for (int i = 0; i < argBoxes.length; i++) {
        if (i != 0) {
          up.literal(", ");
        }

        argBoxes[i].toString(up);
      }
    }

    up.literal(") ");
    up.methodRef(bsmRef);
    up.literal("(");

    for (int i = 0; i < bsmArgBoxes.length; i++) {
      if (i != 0) {
        up.literal(", ");
      }

      bsmArgBoxes[i].toString(up);
    }

    up.literal(")");
  }

  @Override
  public int getHandleTag() {
    return tag;
  }
}