@Override
 public <R> void visitCtBlock(CtBlock<R> block) {
   int i = 0;
   while (i < block.getStatements().size()) {
     int size = block.getStatements().size();
     CtStatement s = block.getStatement(i);
     s.accept(this);
     if (block.getStatements().size() >= size) i++;
   }
 }
示例#2
0
  private static <T> void processConstructor(CtConstructor<T> c, CtClass<T> toMerge) {
    CtStatement firstStmt = c.getBody().getStatements().get(0);
    if (firstStmt instanceof CtInvocation) {
      CtInvocation<?> superConstructorCall = (CtInvocation) firstStmt;
      if (!(superConstructorCall.getExecutable().getDeclaration() instanceof CtConstructor)) return;
      CtConstructor superConstructor =
          (CtConstructor) superConstructorCall.getExecutable().getDeclaration();
      if (superConstructor.getDeclaringType() == toMerge) {
        CtBlock superConstructorBody = c.getFactory().Core().clone(superConstructor.getBody());
        superConstructorBody.accept(
            new CtScanner() {
              @Override
              public <T> void visitCtParameterReference(CtParameterReference<T> ref) {
                int parameterOrder = superConstructor.getParameters().indexOf(ref.getDeclaration());
                ref.setDeclaringExecutable(c.getReference());
                CtExpression<?> arg = superConstructorCall.getArguments().get(parameterOrder);
                if (!(arg instanceof CtVariableAccess))
                  throw sgce("super() should be directly called in " + c);
                CtVariable param = ((CtVariableAccess) arg).getVariable().getDeclaration();
                if (!(param instanceof CtParameter))
                  throw sgce("super() should be directly called in " + c);
                ref.setSimpleName(param.getSimpleName());

                super.visitCtParameterReference(ref);
              }
            });
        c.getBody().removeStatement(firstStmt);
        List<CtStatement> superConstructorBodyStatements = superConstructorBody.getStatements();
        for (int i = superConstructorBodyStatements.size() - 1; i >= 0; i--) {
          c.getBody().insertBegin(superConstructorBodyStatements.get(i));
        }
      }
    }
  }
 /**
  * Pretty print for the resulting degraded block
  *
  * @param clonedBody
  * @return
  */
 public String prettyPrintBody(CtStatement clonedBody) {
   String result = "";
   if (clonedBody instanceof CtBlock) {
     CtBlock block = (CtBlock) clonedBody;
     try {
       for (int i = 0; i < block.getStatements().size(); i++) {
         if (block.getStatement(i) instanceof CtBlock)
           result += prettyPrintBody(block.getStatement(i));
         else if (block.getStatement(i) != null)
           result += block.getStatement(i).toString() + ";\n";
       }
     } catch (NullPointerException ex) {
       log.error("Unable to print the degraded loop!");
     }
   } else result = clonedBody.toString();
   return result;
 }
  protected List<CtLocalVariable> getLocalVarInScope(CtStatement stmt) {
    List<CtLocalVariable> vars = new ArrayList<>();
    try {
      CtBlock parentBlock = stmt.getParent(CtBlock.class);
      if (parentBlock != null) {
        boolean beforeCurrentStmt = true;
        int i = 0;
        List<CtStatement> stmts = parentBlock.getStatements();

        while (beforeCurrentStmt && i < stmts.size()) {
          CtStatement currentStatement = stmts.get(i);
          i++;
          beforeCurrentStmt = beforeCurrentStmt && currentStatement != stmt;
          if (currentStatement instanceof CtLocalVariable) {
            vars.add((CtLocalVariable) currentStatement);
          }
        }
        vars.addAll(getLocalVarInScope(parentBlock));
      }
    } catch (Exception e) {
      throw new RuntimeException(e);
    }
    return vars;
  }