// Copyright 2017 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef ZIRCON_TOOLS_ABIGEN_HEADER_GENERATOR_H_
#define ZIRCON_TOOLS_ABIGEN_HEADER_GENERATOR_H_

#include <map>
#include <string>
#include <vector>

#include "generator.h"

/* Generates header files. */
class HeaderGenerator : public Generator {
 public:
  // A prefix on the syscall name, and a predicate that returns
  // true if it should be omitted from the header.
  using name_prefix_map = std::vector<std::pair<std::string, bool (*)(const Syscall&)>>;

  HeaderGenerator(const std::string& function_prefix, const name_prefix_map& name_prefixes,
                  const std::string& no_args_type, bool allow_pointer_wrapping,
                  const std::map<std::string, std::string>& attributes)
      : function_prefix_(function_prefix),
        name_prefixes_(name_prefixes),
        no_args_type_(no_args_type),
        attributes_(attributes),
        allow_pointer_wrapping_(allow_pointer_wrapping) {}

  bool syscall(std::ofstream& os, const Syscall& sc) override;

 private:
  const std::string function_prefix_;
  const name_prefix_map name_prefixes_;
  const std::string no_args_type_;
  const std::map<std::string, std::string> attributes_;
  const bool allow_pointer_wrapping_;
};

HeaderGenerator kernel_header_generator();
HeaderGenerator user_header_generator();
HeaderGenerator vdso_header_generator();

#endif  // ZIRCON_TOOLS_ABIGEN_HEADER_GENERATOR_H_