-/// This class provides a symbol table of name/NamedMDNode pairs. It is
-/// essentially a StringMap wrapper.
-
-class MDSymbolTable {
-/// @name Types
-/// @{
-public:
- /// @brief A mapping of names to metadata
- typedef StringMap<NamedMDNode*> MDMap;
-
- /// @brief An iterator over a ValueMap.
- typedef MDMap::iterator iterator;
-
- /// @brief A const_iterator over a ValueMap.
- typedef MDMap::const_iterator const_iterator;
-
-/// @}
-/// @name Constructors
-/// @{
-public:
-
- MDSymbolTable() : mmap(0) {}
- ~MDSymbolTable();
-
-/// @}
-/// @name Accessors
-/// @{
-public:
-
- /// This method finds the value with the given \p Name in the
- /// the symbol table.
- /// @returns the NamedMDNode associated with the \p Name
- /// @brief Lookup a named Value.
- NamedMDNode *lookup(StringRef Name) const { return mmap.lookup(Name); }
-
- /// @returns true iff the symbol table is empty
- /// @brief Determine if the symbol table is empty
- inline bool empty() const { return mmap.empty(); }
-
- /// @brief The number of name/type pairs is returned.
- inline unsigned size() const { return unsigned(mmap.size()); }
-
-/// @}
-/// @name Iteration
-/// @{
-public:
- /// @brief Get an iterator that from the beginning of the symbol table.
- inline iterator begin() { return mmap.begin(); }
-
- /// @brief Get a const_iterator that from the beginning of the symbol table.
- inline const_iterator begin() const { return mmap.begin(); }
-
- /// @brief Get an iterator to the end of the symbol table.
- inline iterator end() { return mmap.end(); }
-
- /// @brief Get a const_iterator to the end of the symbol table.
- inline const_iterator end() const { return mmap.end(); }
-
-/// @}
-/// @name Mutators
-/// @{
-public:
- /// insert - The method inserts a new entry into the stringmap.
- void insert(StringRef Name, NamedMDNode *Node) {
- (void) mmap.GetOrCreateValue(Name, Node);
- }
-
- /// This method removes a NamedMDNode from the symbol table.
- void remove(StringRef Name) { mmap.erase(Name); }
-
-/// @}
-/// @name Internal Data
-/// @{
-private:
- MDMap mmap; ///< The map that holds the symbol table.
-/// @}
-};
-