Fixing ruby send with arguments

When send has complex args, mostly more sends, we hoist those out and pass created temporary variables

test/ruby/test_send_statement2.rb

@@ -0,0 +1,70 @@
+require_relative "helper"
+
+module Ruby
+  module LastBar
+    include RubyTests
+    def test_last_class
+      assert_equal Vool::SendStatement , @lst.last.class
+    end
+    def test_last_name
+      assert_equal :last , @lst.last.name
+    end
+    def test_last_arg
+      assert_equal Vool::LocalVariable , @lst.last.arguments.first.class
+    end
+    def test_lst_class
+      assert_equal Vool::Statements , @lst.class
+    end
+    def test_lst_no_statements
+      @lst.statements.each{|st| assert( ! st.is_a?(Vool::Statements) , st.class)}
+    end
+  end
+  class TestSendSendArgVool < MiniTest::Test
+    include LastBar
+    def setup
+      @lst = compile( "last(foo(1))").to_vool
+    end
+    def test_classes
+      assert_equal Vool::Statements , @lst.class
+      assert_equal Vool::LocalAssignment , @lst.first.class
+      assert_equal Vool::SendStatement , @lst.last.class
+    end
+    def test_foo1
+      assert_equal Vool::SendStatement , @lst.first.value.class
+      assert_equal :foo ,  @lst.first.value.name
+      assert_equal Vool::IntegerConstant , @lst.first.value.arguments.first.class
+    end
+  end
+  class Test3SendVool < MiniTest::Test
+    include LastBar
+    def setup
+      @lst = compile( "last(foo(more(1)))").to_vool
+    end
+    def test_classes
+      assert_equal Vool::Statements , @lst.class
+      assert_equal Vool::LocalAssignment , @lst.first.class
+      assert_equal Vool::SendStatement , @lst.last.class
+    end
+    def test_foo
+      assert_equal Vool::SendStatement , @lst.first.value.class
+      assert_equal :more ,  @lst.first.value.name
+      assert_equal Vool::IntegerConstant , @lst.first.value.arguments.first.class
+    end
+  end
+  class Test5SendVool < MiniTest::Test
+    include LastBar
+    def setup
+      @lst = compile( "last(foo(more(even_more(1),and_more(with_more))))").to_vool
+    end
+    def test_classes
+      assert_equal Vool::Statements , @lst.class
+      assert_equal Vool::LocalAssignment , @lst.first.class
+      assert_equal Vool::SendStatement , @lst.last.class
+    end
+    def test_foo
+      assert_equal Vool::SendStatement , @lst.first.value.class
+      assert_equal :even_more ,  @lst.first.value.name
+      assert_equal Vool::IntegerConstant , @lst.first.value.arguments.first.class
+    end
+  end
+end