Move C file preprocessing out of module to top level.

Author: aardvark179

lib/cext/preprocess.rb

@@ -8,24 +8,21 @@
 
 require_relative '../truffle/truffle/cext_preprocessor.rb'
 
-class Truffle::CExt::Preprocessor
+if __FILE__ == $0
+  require 'stringio'
 
-  if __FILE__ == $0
-    require 'stringio'
+  file_name = ARGV.first
+  original_content = File.read(file_name)
+  output = Truffle::CEXt::Preprocessor.patch(file_name, original_content, Dir.pwd)
 
-    file_name = ARGV.first
-    original_content = File.read(file_name)
-    output = patch(file_name, original_content, Dir.pwd)
-
-    if ENV['PREPROCESS_DEBUG'] && original_content != output
-      patched_file_name = "#{File.dirname file_name}/.#{File.basename file_name, '.*'}.patched#{File.extname file_name}"
-      File.write patched_file_name, output
-      $stderr.print `git diff --no-index --color -- #{file_name} #{patched_file_name}`
-      file_name = patched_file_name
-    end
-
-    expanded_path = File.expand_path(file_name)
-    $stdout.puts "#line 1 \"#{expanded_path}\""
-    $stdout.puts output
+  if ENV['PREPROCESS_DEBUG'] && original_content != output
+    patched_file_name = "#{File.dirname file_name}/.#{File.basename file_name, '.*'}.patched#{File.extname file_name}"
+    File.write patched_file_name, output
+    $stderr.print `git diff --no-index --color -- #{file_name} #{patched_file_name}`
+    file_name = patched_file_name
   end
+
+  expanded_path = File.expand_path(file_name)
+  $stdout.puts "#line 1 \"#{expanded_path}\""
+  $stdout.puts output
 end