sm_dump_handles now shows memory usage

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%401772

public/IHandleSys.h

@@ -52,7 +52,7 @@
 #include <sp_vm_types.h>
 
 #define SMINTERFACE_HANDLESYSTEM_NAME			"IHandleSys"
-#define SMINTERFACE_HANDLESYSTEM_VERSION		2
+#define SMINTERFACE_HANDLESYSTEM_VERSION		3
 
 /** Specifies no Identity */
 #define DEFAULT_IDENTITY			NULL
@@ -195,8 +195,25 @@ namespace SourceMod
 	public:
 		/**
 		 * @brief Called when destroying a handle.  Must be implemented.
+		 *
+		 * @param type		Handle type.
+		 * @param object	Handle internal object.
 		 */
 		virtual void OnHandleDestroy(HandleType_t type, void *object) =0;
+
+		/**
+		 * @brief Called to get the size of a handle's memory usage in bytes.
+		 * Implementation is optional.
+		 *
+		 * @param type		Handle type.
+		 * @param object	Handle internal object.
+		 * @param pSize		Pointer to store the approximate memory usage in bytes.
+		 * @return			True on success, false if not implemented.
+		 */
+		virtual bool GetHandleApproxSize(HandleType_t type, void *object, unsigned int *pSize)
+		{
+			return false;
+		}
 	};
 
 	/**

public/IMenuManager.h

@@ -36,7 +36,7 @@
 #include <IHandleSys.h>
 
 #define SMINTERFACE_MENUMANAGER_NAME		"IMenuManager"
-#define SMINTERFACE_MENUMANAGER_VERSION		13
+#define SMINTERFACE_MENUMANAGER_VERSION		14
 
 /**
  * @file IMenuManager.h
@@ -323,6 +323,13 @@ namespace SourceMod
 		 *						-1, then the panel has no text limit.
 		 */
 		virtual int GetAmountRemaining() =0;
+
+		/**
+		 * @brief For the Handle system, returns approximate memory usage.
+		 *
+		 * @return				Approximate number of bytes being used.
+		 */
+		virtual unsigned int GetApproxMemUsage() =0;
 	};
 
 	/**
@@ -406,6 +413,13 @@ namespace SourceMod
 		 * @return				Handle_t pointing to this object.
 		 */
 		virtual Handle_t GetHandle() =0;
+
+		/**
+		 * @brief For the Handle system, returns approximate memory usage.
+		 *
+		 * @return				Approximate number of bytes being used.
+		 */
+		virtual unsigned int GetApproxMemUsage() =0;
 	};
 
 	/**
@@ -597,6 +611,13 @@ namespace SourceMod
 			unsigned int time,
 			unsigned int start_item,
 			IMenuHandler *alt_handler=NULL) =0;
+
+		/**
+		 * @brief For the Handle system, returns approximate memory usage.
+		 *
+		 * @return				Approximate number of bytes being used.
+		 */
+		virtual unsigned int GetApproxMemUsage() =0;
 	};
 
 	/** 

public/sm_trie_tpl.h

@@ -877,6 +877,13 @@ private:
 
 		return x_check_multi(offsets, count, to_check+1);
 	}
+public:
+	size_t mem_usage()
+	{
+		return (sizeof(KTrieNode) * (m_baseSize))
+			+ m_stSize
+			+ sizeof(KTrieNode);
+	}
 private:
 	KTrieNode *m_base;			/* Base array for the sparse tables */
 	KTrieNode *m_empty;			/* Special case for empty strings */