ctokenit.h

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/*******************************************************************\
 
Module: C Token Iterator
 
Author: Daniel Kroening, dkr@amazon.com
 
\*******************************************************************/

 
#ifndef CPROVER_CRANGLER_CTOKENIT_H
#define CPROVER_CRANGLER_CTOKENIT_H
 
#include "ctoken.h"
 
#include <vector>
 
class ctokenitt
{
public:
  using tokenst = std::vector<ctokent>;
 
  explicit ctokenitt(const tokenst &__tokens) : tokens(__tokens)
  {
  }
 
  explicit operator bool() const
  {
    return !eof();
  }
 
  bool eof() const
  {
    return pos >= tokens.size();
  }
 
  ctokenitt &operator+=(std::size_t offset)
  {
    pos += offset;
    return *this;
  }
 
  ctokenitt operator++(int); // postfix ++
 
  const ctokent &operator*() const;
 
  const ctokent *operator->() const
  {
    return &**this;
  }
 
  tokenst::const_iterator cit() const
  {
    return tokens.begin() + pos;
  }
 
  bool operator!=(const ctokenitt &other) const
  {
    return pos != other.pos;
  }
 
protected:
  const tokenst &tokens;
  std::size_t pos = 0;
};
 
ctokenitt match_bracket(ctokenitt, char open, char close);
ctokenitt
match_bracket(ctokenitt, char open, char close, ctokenitt::tokenst &dest);
 
#endif // CPROVER_CRANGLER_CTOKENIT_H