vhdl_types.h

// Copyright 2018-2019 Delft University of Technology
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
 
#pragma once
 
#include <vector>
#include <memory>
#include <string>
 
#include "cerata/type.h"
#include "cerata/flattype.h"
#include "cerata/node.h"
#include "cerata/port.h"
 
namespace cerata::vhdl {
 
// VHDL specific type data
 
std::shared_ptr<Node> GetWidth(const std::shared_ptr<Type> &type);
 
// VHDL implementation specific types
 
std::shared_ptr<Type> valid();
std::shared_ptr<Type> ready();
 
// VHDL port stuff
std::string ToString(Term::Dir dir);
Term::Dir Reverse(Term::Dir dir);
 
std::vector<FlatType> FilterForVHDL(const std::vector<FlatType> &list);
 
struct Range {
  enum {
    NIL,      
    SINGLE,   
    MULTI,    
  } type = NIL;
 
  std::string bottom;
  std::string top;
 
  std::string ToString();
};
 
}  // namespace cerata::vhdl