[gentoo-commits] proj/libbash:master commit in: src/core/

[Petteri Räty]

commit:     d732ef09039f155b824086d43c13b23ff7698ffc
Author:     Mu Qiao <qiaomuf <AT> gentoo <DOT> org>
AuthorDate: Fri Apr  1 05:23:49 2011 +0000
Commit:     Petteri Räty <betelgeuse <AT> gentoo <DOT> org>
CommitDate: Sat Apr  2 00:55:07 2011 +0000
URL:        http://git.overlays.gentoo.org/gitweb/?p=proj/libbash.git;a=commit;h=d732ef09

Add member functions to support variable traversal

Add begin() and end() method to the scope and interpreter class to
allow variable traversal.

---
 src/core/interpreter.h |   43 +++++++++++++++++++++++++++++++++++++++++++
 src/core/symbols.hpp   |   48 ++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 91 insertions(+), 0 deletions(-)

diff --git a/src/core/interpreter.h b/src/core/interpreter.h
index 1da370c..ef95caa 100644
--- a/src/core/interpreter.h
+++ b/src/core/interpreter.h
@@ -46,6 +46,49 @@ class interpreter{
   scope members;
 public:
 
+  ///
+  /// \brief return the number of variables
+  /// \return the number of variables
+  scope::size_type size()
+  {
+    return members.size();
+  }
+
+  ///
+  /// \brief return an iterator referring to the first variable
+  /// \return iterator referring to the first variable
+  scope::iterator begin()
+  {
+    return members.begin();
+  }
+
+  ///
+  /// \brief return a const iterator referring to the first variable
+  /// \return const iterator referring to the first variable
+  scope::const_iterator begin() const
+  {
+    return members.begin();
+  }
+
+  ///
+  /// \brief return an iterator referring to the next element after the
+  ///        last variable
+  /// \return iterator referring to he next element after the last variable
+  scope::iterator end()
+  {
+    return members.end();
+  }
+
+  ///
+  /// \brief return a const iterator referring to the next element after
+  ///        the last variable
+  /// \return const iterator referring to he next element after the last
+  ///         variable
+  scope::const_iterator end() const
+  {
+    return members.end();
+  }
+
   /// \brief parse the text value of a tree to integer
   /// \param the target tree
   /// \return the parsed value

diff --git a/src/core/symbols.hpp b/src/core/symbols.hpp
index bde05fb..53b699e 100644
--- a/src/core/symbols.hpp
+++ b/src/core/symbols.hpp
@@ -175,6 +175,54 @@ class scope
 public:
   typedef std::unordered_map<std::string, std::shared_ptr<symbol>>
     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 symbols in current scope
+  /// \return the number of symbols
+  size_type size()
+  {
+    return members.size();
+  }
+
+  ///
+  /// \brief return an iterator referring to the first symbol
+  /// \return iterator referring to the first symbol
+  iterator begin()
+  {
+    return members.begin();
+  }
+
+  ///
+  /// \brief return a const iterator referring to the first symbol
+  /// \return const iterator referring to the first symbol
+  const_iterator begin() const
+  {
+    return members.begin();
+  }
+
+  ///
+  /// \brief return an iterator referring to the next element after
+  ///        the last symbol in current scope
+  /// \return iterator referring to he next element after the last
+  ///         symbol in current scope
+  iterator end()
+  {
+    return members.end();
+  }
+
+  ///
+  /// \brief return a const iterator referring to the next element
+  ///        after the last symbol in current scope
+  /// \return const iterator referring to he next element after the
+  ///         last symbol in current scope
+  const_iterator end() const
+  {
+    return members.end();
+  }
 
   /// \brief define a new symbol
   /// \param the new symbol