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Hide the only use of bdd_allocator.

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* src/tgba/bdddict.cc, src/tgba/bdddict.hh:  Hide the bdd_allocator
dependency in a bdd_dict_priv class that is not defined publicly.
This commit is contained in:
Alexandre Duret-Lutz 2013-06-24 23:36:34 +02:00
parent 1581a94c65
commit 9775dfdd4b
2 changed files with 84 additions and 69 deletions
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27
src/tgba/bdddict.hh
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@ -30,10 +30,11 @@
#include <bdd.h>
#include <vector>
#include "ltlast/formula.hh"
#include "misc/bddalloc.hh"
namespace spot
{
/// \brief Private data for bdd_dict.
class bdd_dict_priv;
/// \ingroup tgba_essentials
/// \brief Map BDD variables to formulae.
@ -53,8 +54,9 @@ namespace spot
/// unregister_all_my_variables(), giving the same pointer.
/// Variables can also by unregistered one by one using
/// unregister_variable().
class bdd_dict: public bdd_allocator
class bdd_dict
{
bdd_dict_priv* priv_;
public:
bdd_dict();
@ -235,27 +237,6 @@ namespace spot
/// unregister_all_my_variables().
void assert_emptiness() const;
protected:
// SWIG does not grok the following definition, no idea why.
// It's not important for the Python interface anyway.
#ifndef SWIG
class anon_free_list : public spot::free_list
{
public:
// WARNING: We need a default constructor so this can be used in
// a hash; but we should ensure that no object in the hash is
// constructed with d==0.
anon_free_list(bdd_dict* d = 0);
virtual int extend(int n);
private:
bdd_dict* dict_;
};
#endif
/// List of unused anonymous variable number for each automaton.
typedef std::map<const void*, anon_free_list> free_anonymous_list_of_type;
free_anonymous_list_of_type free_anonymous_list_of;
private:
// Disallow copy.
bdd_dict(const bdd_dict& other);