Hide ffi layer from public docs.

lib/llvm.rb

@@ -2,6 +2,7 @@
 require 'ffi'
 
 module LLVM
+  # @private
   module C
     extend ::FFI::Library
 

lib/llvm/analysis.rb

@@ -3,6 +3,7 @@
 require 'llvm/target'
 
 module LLVM
+  # @private
   module C
     enum :verifier_failure_action, [
       :abort_process,

lib/llvm/core.rb

@@ -1,6 +1,7 @@
 require 'llvm'
 
 module LLVM
+  # @private
   module C
     enum :attribute, [
       :ext,               1 <<  0,

lib/llvm/execution_engine.rb

@@ -4,6 +4,7 @@
 require 'llvm/analysis'
 
 module LLVM
+  # @private
   module C
     # Generic values
     attach_function :LLVMCreateGenericValueOfInt, [:pointer, :long_long, :int], :pointer

lib/llvm/target.rb

@@ -2,6 +2,7 @@
 require 'llvm/core'
 
 module LLVM
+  # @private
   module C
     attach_function :LLVMAddTargetData, [:pointer, :pointer], :void
   end

lib/llvm/transforms/ipo.rb

@@ -3,6 +3,7 @@
 require 'llvm/core'
 
 module LLVM
+  # @private
   module C
     attach_function :LLVMAddGlobalDCEPass, [:pointer], :void
   end

lib/llvm/transforms/scalar.rb

@@ -2,6 +2,7 @@
 require 'llvm/core'
 
 module LLVM
+  # @private
   module C
     attach_function :LLVMAddAggressiveDCEPass, [:pointer], :void
     attach_function :LLVMAddCFGSimplificationPass, [:pointer], :void