@Override
  public void process(CtIf element) {
    // On récupère le body actuel :

    CtBlock fi;

    this.init();

    int addLoop = 1 + (int) (Math.random() * ((4 - 1)));

    CtBlock dummyIf = null;
    switch (addLoop) {
      case 1:
        dummyIf = getDummyIf();
        break;
      case 2:
        dummyIf = getDummyStringIf();
        break;
      case 3:
        dummyIf = getDummyAndIf();
        break;
      case 4:
        dummyIf = getDummyOrIf();
        break;
      default:
    }

    fi = (CtBlock) element.getThenStatement();

    fi = (CtBlock) element.getThenStatement();
    element.setThenStatement(dummyIf);
    ((CtIf) element.getThenStatement().getElements(new TypeFilter(CtIf.class)).get(0))
        .setThenStatement(fi);

    CtExpression cdt = element.getCondition();

    CtBinaryOperator condition = getFactory().Core().createBinaryOperator();

    condition.setKind(BinaryOperatorKind.AND);

    condition.setLeftHandOperand(cdt);
    condition.setRightHandOperand(
        ((CtIf) getDummyAndIf().getElements(new TypeFilter(CtIf.class)).get(0)).getCondition());

    element.setCondition(condition);
  }
  @Override
  public void visitCtIf(CtIf ifElement) {
    // super.visitCtIf(ifElement);

    CtStatement ctThen = ifElement.getThenStatement();
    CtStatement ctElse = ifElement.getElseStatement();

    Mutability condMut = mutability(ifElement.getCondition());
    if (ctThen != null) ifElement.getThenStatement().accept(this);
    if (ctElse != null) ifElement.getElseStatement().accept(this);

    if (condMut == Mutability.ERASABLE && isEmpty(ctThen)) {
      // if ( - ) {  } else {  } <- Remove the whole if
      if (ctElse == null || isEmpty(ctElse)) remove(ifElement);
      // else if case: if ( - ) {  } else if { doSomething() } <-- pull the else if element up
      else if (ctElse instanceof CtIf) ctElse.setParent(ifElement.getParent());
    }
  }
Ejemplo n.º 3
0
 private static CtIf originalLoopReplacement(Factory factory, LoopMonitor monitor, While loop) {
   CtExpression<Boolean> monitoredCondition =
       newExpressionFromSnippet(factory, conditionName(monitor), Boolean.class);
   CtIf newIf = newIf(factory, monitoredCondition, loop.loopBody(), newBreak(factory));
   CtStatement increment =
       newStatementFromSnippet(factory, format("%s += 1", counterName(monitor)));
   insertBeforeUnderSameParent(increment, newIf.getThenStatement());
   if (loop.isUnbreakable()) {
     newIf.setElseStatement(null);
   }
   return newIf;
 }
  @Override
  public void process(CtConditional ctConditional) {
    CtStatement parent = ctConditional.getParent(CtStatement.class);
    while (!(parent.getParent() instanceof CtStatementList)) {
      parent = parent.getParent(CtStatement.class);
    }
    CtExpression condition = ctConditional.getCondition();

    CtIf anIf = getFactory().Core().createIf();
    anIf.setPosition(ctConditional.getPosition());

    if (parent instanceof CtReturn) {
      if (!((CtReturn) parent).getReturnedExpression().equals(ctConditional)) {
        return;
      }

      CtReturn returnThen = (CtReturn) parent.clone();
      CtReturn returnElse = (CtReturn) parent.clone();

      returnThen.setReturnedExpression(ctConditional.getThenExpression());
      returnElse.setReturnedExpression(ctConditional.getElseExpression());

      List<CtTypeReference> typeCasts = ctConditional.getTypeCasts();
      for (int i = 0; i < typeCasts.size(); i++) {
        CtTypeReference ctTypeReference = typeCasts.get(i);
        returnThen.getReturnedExpression().addTypeCast(ctTypeReference.clone());
        returnElse.getReturnedExpression().addTypeCast(ctTypeReference.clone());
      }

      anIf.setElseStatement(getFactory().Code().createCtBlock(returnElse));
      anIf.setThenStatement(getFactory().Code().createCtBlock(returnThen));
    } else if (parent instanceof CtAssignment) {
      CtAssignment assignment = (CtAssignment) parent;
      CtExpression ctExpression = assignment.getAssignment();
      if (!ctExpression.equals(ctConditional)) {
        if (ctExpression instanceof CtBinaryOperator) {
          CtBinaryOperator ctBinaryOperator = (CtBinaryOperator) ctExpression;

          createAssignment(ctConditional, anIf, assignment);
          CtBinaryOperator cloneThen = ctBinaryOperator.clone();
          CtBinaryOperator cloneElse = ctBinaryOperator.clone();

          if (ctBinaryOperator.getLeftHandOperand().equals(ctConditional)) {
            cloneThen.setLeftHandOperand(ctConditional.getThenExpression());
            ctConditional.getThenExpression().setParent(cloneThen);
            cloneElse.setLeftHandOperand(ctConditional.getElseExpression());
          } else if (ctBinaryOperator.getRightHandOperand().equals(ctConditional)) {
            cloneThen.setRightHandOperand(ctConditional.getThenExpression());
            cloneElse.setRightHandOperand(ctConditional.getElseExpression());
          }

          cloneThen.getLeftHandOperand().setParent(cloneThen);
          cloneElse.getLeftHandOperand().setParent(cloneElse);
          ((CtAssignment) ((CtBlock) anIf.getThenStatement()).getStatement(0))
              .setAssignment(cloneThen);
          ((CtAssignment) ((CtBlock) anIf.getElseStatement()).getStatement(0))
              .setAssignment(cloneElse);
        } else {
          return;
        }
      } else {
        createAssignment(ctConditional, anIf, assignment);
      }
    } else if (parent instanceof CtLocalVariable) {
      CtLocalVariable localVariable = (CtLocalVariable) parent;
      if (!localVariable.getDefaultExpression().equals(ctConditional)) {
        return;
      }

      CtLocalVariable clone = localVariable.clone();
      clone.setDefaultExpression(null);

      localVariable.insertBefore(clone);

      CtAssignment variableAssignment =
          getFactory()
              .Code()
              .createVariableAssignment(localVariable.getReference(), false, ctConditional);
      variableAssignment.setType(localVariable.getType().clone());
      variableAssignment.setPosition(ctConditional.getPosition());
      createAssignment(ctConditional, anIf, variableAssignment);
    } else if (parent instanceof CtInvocation) {
      CtInvocation invocation = (CtInvocation) parent;
      CtInvocation cloneThen = invocation.clone();
      CtInvocation cloneElse = invocation.clone();

      List arguments = cloneThen.getArguments();
      boolean found = false;
      for (int i = 0; i < arguments.size(); i++) {
        Object o = arguments.get(i);
        if (o.equals(ctConditional)) {
          ctConditional.getThenExpression().setParent(invocation);
          arguments.set(i, ctConditional.getThenExpression());
          ctConditional.getElseExpression().setParent(invocation);
          cloneElse.getArguments().set(i, ctConditional.getElseExpression());
          found = true;
          break;
        }
      }
      if (!found) {
        return;
      }

      cloneThen.setParent(anIf);
      cloneElse.setParent(anIf);

      anIf.setElseStatement(getFactory().Code().createCtBlock(cloneElse));
      anIf.setThenStatement(getFactory().Code().createCtBlock(cloneThen));
    } else if (parent instanceof CtConstructorCall) {
      CtConstructorCall invocation = (CtConstructorCall) parent;
      CtConstructorCall cloneThen = invocation.clone();
      CtConstructorCall cloneElse = invocation.clone();

      List arguments = cloneThen.getArguments();
      boolean found = false;
      for (int i = 0; i < arguments.size(); i++) {
        Object o = arguments.get(i);
        if (o.equals(ctConditional)) {
          arguments.set(i, ctConditional.getThenExpression());
          cloneElse.getArguments().set(i, ctConditional.getElseExpression());
          found = true;
          break;
        }
      }
      if (!found) {
        return;
      }

      cloneThen.setParent(anIf);
      cloneElse.setParent(anIf);

      anIf.setElseStatement(getFactory().Code().createCtBlock(cloneElse));
      anIf.setThenStatement(getFactory().Code().createCtBlock(cloneThen));
    } else if (parent instanceof CtIf) {
      CtIf elem = (CtIf) parent;
      if (!elem.getCondition().equals(ctConditional)) {
        return;
      }

      CtIf cloneThen = elem.clone();
      cloneThen.setParent(anIf);
      CtIf cloneElse = elem.clone();
      cloneElse.setParent(anIf);

      cloneThen.setCondition(ctConditional.getThenExpression());
      ctConditional.getThenExpression().setParent(cloneThen);

      cloneElse.setCondition(ctConditional.getElseExpression());
      ctConditional.getElseExpression().setParent(cloneElse);

      anIf.setElseStatement(getFactory().Code().createCtBlock(cloneElse));
      anIf.setThenStatement(getFactory().Code().createCtBlock(cloneThen));
    } else if (parent instanceof CtThrow) {
      return;
    } else if (parent instanceof CtLoop) {
      return;
    } else if (parent instanceof CtUnaryOperator) {
      return;
    } else {
      System.err.println(parent);
      throw new RuntimeException("Other " + parent.getClass());
    }
    /*if(ctConditional.getThenExpression().getTypeCasts() == null ||
            ctConditional.getThenExpression().getTypeCasts().isEmpty()) {
        ((CtExpression)anIf.getThenStatement()).setTypeCasts(ctConditional.getTypeCasts());
    }
    if(ctConditional.getElseExpression().getTypeCasts() == null ||
            ctConditional.getElseExpression().getTypeCasts().isEmpty()) {
        ((CtExpression) anIf.getElseStatement())
                .setTypeCasts(ctConditional.getTypeCasts());
    }*/
    anIf.setCondition(condition);
    condition.setParent(anIf);
    parent.replace(anIf);
  }