replacementExpr = other;
    }

    @Override
    @SuppressWarnings("unchecked")
    public void visitBlockStatement(BlockStatement stat) {
        replaceAll(stat.getStatements());
    }

    @Override
    public void visitForLoop(ForStatement stat) {
        stat.setCollectionExpression(replaceExpr(stat.getCollectionExpression()));

            }
            emptyScript = isEmpty(source);
        }

        private boolean isEmpty(SourceUnit source) {
            List<Statement> statements = source.getAST().getStatementBlock().getStatements();
            for (Statement statement : statements) {
                if (AstUtils.mayHaveAnEffect(statement)) {
                    return false;
                }
            }

                    break;
                default:
                    result.append(ch);
            }
        }
        return result.toString();
    }

    public String getStatement() {
        if (value.isEmpty()) {
            return "";
        } else {
            return value + getPlatformLineSeparator();
        }
    }

    public String getJavaStatement() {