rename to get guard matches

lib/melon/compiler/type_collector.rb

@@ -0,0 +1,33 @@
+module Melon
+
+  class TypeCollector < AST::Processor
+
+    def initialize
+      @ivars = {}
+    end
+
+    def collect(statement)
+      process statement
+      @ivars
+    end
+
+    def on_ivar(statement)
+      add_ivar(statement)
+    end
+
+    def on_ivasgn( statement )
+      add_ivar(statement)
+    end
+
+    def add_ivar(statement)
+      var = statement.children[0].to_s[1..-1].to_sym
+      @ivars[var] = :Object #guess, can maybe guess better
+    end
+    
+    def handler_missing(node)
+      node.children.each do |kid |
+        process(kid) if kid.is_a?(AST::Node)
+      end
+    end
+  end
+end