ArrayValueProxy.java

package jetbrains.mps.debugger.java.runtime.evaluation.proxies;

/*Generated by MPS */

import jetbrains.mps.debugger.java.api.evaluation.proxies.ValueProxy;
import jetbrains.mps.debugger.java.api.evaluation.proxies.IArrayValueProxy;
import jetbrains.mps.debugger.java.api.evaluation.proxies.IObjectValueProxy;
import com.sun.jdi.ArrayReference;
import org.jetbrains.annotations.NotNull;
import jetbrains.mps.debugger.java.api.evaluation.proxies.IValueProxy;
import jetbrains.mps.debugger.java.api.evaluation.proxies.MirrorUtil;
import jetbrains.mps.debugger.java.api.evaluation.EvaluationUtils;
import com.sun.jdi.Value;
import jetbrains.mps.debugger.java.api.evaluation.EvaluationException;
import com.sun.jdi.InvalidTypeException;
import com.sun.jdi.ClassNotLoadedException;
import com.sun.jdi.ThreadReference;
import com.sun.jdi.ClassType;
import com.sun.jdi.Method;
import java.util.List;
import com.sun.jdi.InvocationException;
import com.sun.jdi.IncompatibleThreadStateException;
import jetbrains.mps.debugger.java.api.evaluation.proxies.INullValueProxy;

/*package*/ class ArrayValueProxy extends ValueProxy implements IArrayValueProxy, IObjectValueProxy {
  public ArrayValueProxy(ArrayReference value) {
    super(value);
  }
  @NotNull
  private ArrayReference getArrayValue() {
    return (ArrayReference) myValue;
  }
  @Override
  public IValueProxy getFieldValue(String fieldName) {
    assert false : "Arrays can't have fields.";
    return null;
  }
  @NotNull
  @Override
  public IValueProxy getElementAt(int index) {
    return MirrorUtil.getInstance().getValueProxy(EvaluationUtils.getInstance().getArrayElementAt(getArrayValue(), index));
  }
  @Override
  public void setElement(Value element, int index) throws EvaluationException {
    try {
      getArrayValue().setValue(index, element);
    } catch (InvalidTypeException e) {
      throw new EvaluationException("Error setting array element at " + index, e);
    } catch (ClassNotLoadedException e) {
      throw new EvaluationException("Error setting array element at " + index, e);
    }
  }
  @Override
  public int getLength() {
    return getArrayValue().length();
  }
  @Override
  public IValueProxy invokeMethod(String name, String jniSignature, final ThreadReference threadReference, Object... args) throws EvaluationException {
    // we can't use Evaluators similar method cause we find methods in Object, but invoke them for Array 
    ClassType objectType = (ClassType) EvaluationUtils.getInstance().findClassType("java.lang.Object", myValue.virtualMachine());
    final Method method = EvaluationUtils.getInstance().findMethod(objectType, name, jniSignature);
    final List<Value> argValues = MirrorUtil.getInstance().getValues(myValue.virtualMachine(), args);
    return EvaluationUtils.handleInvocationExceptions(new EvaluationUtils.ThreadInvocatable<IValueProxy>(threadReference) {
      @Override
      public IValueProxy invoke() throws InvocationException, InvalidTypeException, ClassNotLoadedException, IncompatibleThreadStateException {
        Value result = getArrayValue().invokeMethod(threadReference, method, argValues, 0);
        return MirrorUtil.getInstance().getValueProxy(result);
      }
    });
  }
  @Override
  public IValueProxy invokeSuperMethod(String name, String jniSignature, ThreadReference threadRefence, Object... args) {
    throw new UnsupportedOperationException("Can't invoke super for an array");
  }
  @Override
  public boolean isInstanceOf(String typename) throws EvaluationException {
    return EvaluationUtils.getInstance().instanceOf(myValue.type(), typename, myValue.virtualMachine());
  }
  @Override
  public boolean javaEquals(IValueProxy proxy) {
    if (proxy == null || proxy instanceof INullValueProxy) {
      return false;
    }
    return myValue.equals(proxy.getJDIValue());
  }
  public String getPresentation() {
    return (("{" + myValue.type().name() + "} ") + myValue.toString());
  }
}