rewrite of the native and dependency binding/interaction code. this will ease the transition for native overrides, and greatly simplifies most of the logic. all native binding code now takes place almost entirely in ShareSys, and PluginSys supplements this logic where appropriate. extensionsys has been cleaned up

--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%402198

public/IShareSys.h

@@ -202,18 +202,16 @@ namespace SourceMod
 		virtual void RegisterLibrary(IExtension *myself, const char *name) =0;
 
 		/**
-		 * @brief Adds a list of natives to the global native pool, to be 
-		 * bound on plugin load.
-		 *
-		 * Unlike AddNatives(), this function implements natives that are 
-		 * ALWAYS bound, regardless of whether a previous function is bound. 
-		 * That means extensions can override Core natives.
+		 * @brief Adds natives that will override Core natives when called.
 		 *
 		 * A Core version of each native must exist.  If one does not, then 
-		 * Core will simply ignore that entry.
+		 * Core will simply ignore that entry.  No more than one override 
+		 * can exist on a given native.
 		 *
 		 * Override natives represent a weak coupling.  If the extension is 
-		 * unloaded, the native will be re-bound to the Core version.
+		 * unloaded, the native will be re-bound to the Core version.  If 
+		 * the extension is loaded after plugins are loaded, the override 
+		 * will not take effect until those plugins are reloaded.
 		 * 
 		 * @param myself		Identity token of parent object.
 		 * @param natives		Array of natives to add.  The last entry in 

public/sourcepawn/sp_vm_api.h

@@ -44,7 +44,7 @@
 #define SOURCEPAWN_ENGINE_API_VERSION	3
 
 /** SourcePawn VM API Version */
-#define SOURCEPAWN_VM_API_VERSION		6
+#define SOURCEPAWN_VM_API_VERSION		7
 
 #if !defined SOURCEMOD_BUILD
 #define SOURCEMOD_BUILD
@@ -500,22 +500,18 @@ namespace SourcePawn
 		virtual int PushCellsFromArray(cell_t array[], unsigned int numcells) =0;
 
 		/** 
-		 * @brief Binds a list of native names and their function pointers to a context.
-		 * If num is 0, the list is read until an entry with a NULL name is reached.
-		 * If overwrite is non-zero, already registered natives will be overwritten.
+		 * @brief Deprecated; do not use.
 		 * 
-		 * @param natives		Array of natives.
-		 * @param num			Number of natives in array.
-		 * @param overwrite		Toggles overwrite.
+		 * @param natives		Deprecated; do not use.
+		 * @param num			Deprecated; do not use.
+		 * @param overwrite		Deprecated; do not use.
 		 */
 		virtual int BindNatives(const sp_nativeinfo_t *natives, unsigned int num, int overwrite) =0;
 
 		/**
-		 * @brief Binds a single native.  Overwrites any existing bind.
-		 * If the context does not contain the native that will be binded the function will return
-		 *  with a SP_ERROR_NOT_FOUND error.
+		 * @brief Deprecated; do not use.
 		 *
-		 * @param native		Pointer to native.
+		 * @param native		Deprecated; do not use.
 		 */
 		virtual int BindNative(const sp_nativeinfo_t *native) =0;
 
@@ -599,10 +595,10 @@ namespace SourcePawn
 #endif
 
 		/**
-		 * @brief Binds a single native to a given native index.
+		 * @brief Deprecated; do not use.
 		 *
-		 * @param index			Index to bind at.
-		 * @param native		Native function to bind.
+		 * @param index			Deprecated; do not use.
+		 * @param native		Deprecated; do not use.
 		 */
 		virtual int BindNativeToIndex(uint32_t index, SPVM_NATIVE_FUNC native) =0;
 

public/sourcepawn/sp_vm_types.h

@@ -203,6 +203,7 @@ typedef struct sp_native_s
 	const char *		name;	/**< Name of function */
 	uint32_t			status;	/**< Status flags */
 	uint32_t			flags;	/**< Native flags */
+	void *				user;	/**< Host-specific data */
 } sp_native_t;
 
 /**