From 1e2467b3f30241e713c83175dc6b44ae1f4b1853 Mon Sep 17 00:00:00 2001
From: Matt Tolton <matt@tolton.com>
Date: Tue, 8 Jul 2008 19:59:59 +0200
Subject: [PATCH] Add versioning to the plugin architecture

The plugin architecture version can be retrieved by a plugin from the
app mediator by calling the majorVersion and minorVersion methods.
---
 src/MacVim/PlugInImpl.m      | 13 +++++++++++++
 src/MacVim/PlugInInterface.h |  6 ++++++
 2 files changed, 19 insertions(+)

diff --git a/src/MacVim/PlugInImpl.m b/src/MacVim/PlugInImpl.m
index ef13dc536a..066a7ac540 100644
--- a/src/MacVim/PlugInImpl.m
+++ b/src/MacVim/PlugInImpl.m
@@ -26,6 +26,9 @@
 
 #ifdef MM_ENABLE_PLUGINS
 
+static int MMPlugInArchMajorVersion = 1;
+static int MMPlugInArchMinorVersion = 0;
+
 #import "PlugInImpl.h"
 #import "PlugInGUI.h"
 #import "MMPlugInManager.h"
@@ -219,6 +222,16 @@ MMPlugInAppMediator *sharedAppMediator = nil;
     return nil;
 }
 
+- (int)majorVersion
+{
+    return MMPlugInArchMajorVersion;
+}
+
+- (int)minorVersion
+{
+    return MMPlugInArchMinorVersion;
+}
+
 @end
 
 #endif
diff --git a/src/MacVim/PlugInInterface.h b/src/MacVim/PlugInInterface.h
index 490d619cab..dbbf4b64f8 100644
--- a/src/MacVim/PlugInInterface.h
+++ b/src/MacVim/PlugInInterface.h
@@ -39,6 +39,12 @@
 // If there are no instances with the specified class, returns nil.
 - (id)keyPlugInInstanceWithClass:(Class)class;
 
+// Plugin architecture version.  Major versions indicate API incompatibilities.
+// Minor versions may include additions, but nothing that should break current
+// plugins.
+- (int)majorVersion;
+- (int)minorVersion;
+
 @end
 
 @protocol PlugInInstanceMediator