Remove class scope

Scope was just a wrapper for the underlying container. I do not see any
value in the abstraction so now the interpreter has a unordered_map
member directly.

1 files changed, 0 insertions, 78 deletions

diff --git a/src/core/symbols.hpp b/src/core/symbols.hpp
index 5992a67..6fcedc1 100644
--- a/src/core/symbols.hpp
+++ b/src/core/symbols.hpp
@@ -227,82 +227,4 @@ inline variable::variable<>(const std::string& name,
 {
 }
 
-///
-/// class scope
-/// \brief implementation for symbol table
-///
-class scope
-{
-public:
-  typedef std::unordered_map<std::string, std::shared_ptr<variable>>
-    table_type;
-  typedef table_type::iterator iterator;
-  typedef table_type::const_iterator const_iterator;
-  typedef table_type::size_type size_type;
-  typedef table_type::value_type value_type;
-
-  ///
-  /// \brief return the number of variables in current scope
-  /// \return the number of variables
-  size_type size()
-  {
-    return members.size();
-  }
-
-  ///
-  /// \brief return an iterator referring to the first variable
-  /// \return iterator referring to the first variable
-  iterator begin()
-  {
-    return members.begin();
-  }
-
-  ///
-  /// \brief return a const iterator referring to the first variable
-  /// \return const iterator referring to the first variable
-  const_iterator begin() const
-  {
-    return members.begin();
-  }
-
-  ///
-  /// \brief return an iterator referring to the next element after
-  ///        the last variable in current scope
-  /// \return iterator referring to he next element after the last
-  ///         variable in current scope
-  iterator end()
-  {
-    return members.end();
-  }
-
-  ///
-  /// \brief return a const iterator referring to the next element
-  ///        after the last variable in current scope
-  /// \return const iterator referring to he next element after the
-  ///         last variable in current scope
-  const_iterator end() const
-  {
-    return members.end();
-  }
-
-  /// \brief define a new variable
-  /// \param the new variable
-  void define(std::shared_ptr<variable> s)
-  {
-    members[s->get_name()] = s;
-  }
-
-  /// \brief resolve a variable
-  /// \param the variable name
-  /// \return target variable passed by reference
-  std::shared_ptr<variable> resolve(const std::string& name)
-  {
-    auto iter = members.find(name);
-    return (iter == members.end()? std::shared_ptr<variable>() : iter->second);
-  }
-protected:
-  /// \var protected::member
-  /// \brief symbol table data structure
-  table_type members;
-};
 #endif