Added an optional longname argument to Module, which gives the full,

externally visible name of the module. This is so that type names can be
shown as "Carbon.File.FSSpec" even though the real name of the module is
"_File".

Tools/bgen/bgen/bgenModule.py

@@ -7,9 +7,14 @@ class Module(GeneratorGroup):
 		     includestuff = None,
 		     finalstuff = None,
 		     initstuff = None,
-		     variablestuff = None):
+		     variablestuff = None,
+		     longname = None):
 		GeneratorGroup.__init__(self, prefix or name)
 		self.name = name
+		if longname:
+			self.longname = longname
+		else:
+			self.longname = name
 		self.includestuff = includestuff
 		self.initstuff = initstuff
 		self.finalstuff = finalstuff
@@ -19,7 +24,7 @@ class Module(GeneratorGroup):
 	def addobject(self, od):
 		self.generators.append(od)
 		self.typeobjects.append(od)
-		od.setmodulename(self.name)
+		od.setmodulename(self.longname)
 
 	def generate(self):
 		OutHeader1("Module " + self.name)