// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

#ifndef BIN_PROCESS_SCRIPT_H_
#define BIN_PROCESS_SCRIPT_H_

#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>

class CommandLineOptions {
 public:
  explicit CommandLineOptions(int max_count)
      : count_(0), max_count_(max_count), arguments_(NULL) {
    static const int kWordSize = sizeof(intptr_t);
    arguments_ = reinterpret_cast<char **>(malloc(max_count * kWordSize));
    if (arguments_ == NULL) {
      max_count_ = 0;
    }
  }
  ~CommandLineOptions() {
    free(arguments_);
    count_ = 0;
    max_count_ = 0;
    arguments_ = NULL;
  }

  int count() const { return count_; }
  char** arguments() const { return arguments_; }

  char* GetArgument(int index) const {
    return (index >= 0 && index < count_) ? arguments_[index] : NULL;
  }
  void AddArgument(char* argument) {
    if (count_ < max_count_) {
      arguments_[count_] = argument;
      count_ += 1;
    } else {
      abort();  // We should never get into this situation.
    }
  }

  void operator delete(void* pointer) { abort(); }

 private:
  void* operator new(size_t size);
  CommandLineOptions(const CommandLineOptions&);
  void operator=(const CommandLineOptions&);

  int count_;
  int max_count_;
  char** arguments_;
};


extern Dart_Result LoadScript(const char* script_name);

#endif  // BIN_PROCESS_SCRIPT_H_