/**
 * @file GlobalFunction.h
 *
 * @brief Implements codegen for a global function wrapped in matlab
 * 
 * @date Jul 22, 2012
 * @author Alex Cunningham
 */

#pragma once

#include "Argument.h"
#include "ReturnValue.h"

namespace wrap {

struct GlobalFunction {

  typedef std::vector<std::string> StrVec;

  bool verbose_;
  std::string name;

  // each overload, regardless of namespace
  std::vector<ArgumentList> argLists; ///< arugments for each overload
  std::vector<ReturnValue> returnVals; ///< returnVals for each overload
  std::vector<StrVec> namespaces; ///< Stack of namespaces

  // Constructor only used in Module
  GlobalFunction(bool verbose = true) :
      verbose_(verbose) {
  }

  // Used to reconstruct
  GlobalFunction(const std::string& name_, bool verbose = true) :
      verbose_(verbose), name(name_) {
  }

  // adds an overloaded version of this function
  void addOverload(bool verbose, const std::string& name,
      const ArgumentList& args, const ReturnValue& retVal,
      const StrVec& ns_stack);

  // codegen function called from Module to build the cpp and matlab versions of the function
  void matlab_proxy(const std::string& toolboxPath,
      const std::string& wrapperName, const TypeAttributesTable& typeAttributes,
      FileWriter& file, std::vector<std::string>& functionNames) const;

private:

  // Creates a single global function - all in same namespace
  void generateSingleFunction(const std::string& toolboxPath,
      const std::string& wrapperName, const TypeAttributesTable& typeAttributes,
      FileWriter& file, std::vector<std::string>& functionNames) const;

};

} // \namespace wrap