#include <cstdint>
#include <cstddef>
#include <string>
#include <ostream>
#include <sstream>
#include <stack>
#include <ruby.pb.h>

namespace ruby_fuzzer {
  class protoConverter
  {
  public:
    protoConverter() {
      m_numLiveVars = 1;
      m_numVarsPerScope.push(m_numLiveVars);
    }
    protoConverter(protoConverter const& x) {
      m_numLiveVars = x.m_numLiveVars;
      m_numVarsPerScope = x.m_numVarsPerScope;
    }
    ~protoConverter() {}
    std::string FunctionToString(Function const& _input);

  private:
    void visit(ArrType const&);
    void visit(Array const&);
    void visit(AssignmentStatement const&);
    void visit(BinaryOp const&);
    void visit(BuiltinFuncs const&);
    void visit(Const const&);
    void visit(Function const&);
    void visit(HashType const&);
    void visit(IfElse const&);
    void visit(KVPair const&);
    void visit(MathConst const&);
    void visit(MathOps const&);
    void visit(MathType const&);
    void visit(ObjectSpace const&);
    void visit(Rvalue const&);
    void visit(Statement const&);
    void visit(StatementSeq const&);
    void visit(StringExtNoArg const&);
    void visit(Ternary const&);
    void visit(Time const&);
    void visit(VarRef const&);
    template <class T>
    void visit(google::protobuf::RepeatedPtrField<T> const& _repeated_field);

    std::string removeSpecial(const std::string &x);

    std::ostringstream m_output;
    std::stack<uint8_t> m_numVarsPerScope;
    int32_t m_numLiveVars;
  };
}