add the idea of a frame

test/virtual/test_basic.rb

@@ -12,35 +12,35 @@ class TestBasic < MiniTest::Test
 
   def test_name
     @string_input    = 'foo '
-    @output = Ast::NameExpression.new('foo')
-    @parser = @parser.name
+    @output = [nil]
+    check
   end
 
   def test_name_underscode_start
     @string_input    = '_bar '
     @output = Ast::NameExpression.new('_bar')
-    @parser = @parser.name
+    check
   end
 
   def test_name_underscode_middle
     @string_input    = 'foo_bar '
     @parse_output = {:name => 'foo_bar'}
     @output = Ast::NameExpression.new('foo_bar')
-    @parser = @parser.name
+    check
   end
 
   def test_instance_variable
     @string_input    = '@foo_bar '
     @parse_output = {:instance_variable=>{:name=>"foo_bar"}}
     @output = Ast::VariableExpression.new(:foo_bar)
-    @parser = @parser.instance_variable
+    check
   end
 
   def test_module_name
     @string_input    = 'FooBar '
     @parse_output = {:module_name=>"FooBar"}
     @output = Ast::ModuleName.new("FooBar")
-    @parser = @parser.module_name
+    check
   end
 
   def test_comment
@@ -48,14 +48,14 @@ class TestBasic < MiniTest::Test
     @string_input    =  out.dup #NEEDS the return, which is what delimits the comment
     @parse_output = out
     @output = @parse_output #dont transform
-    @parser = @parser.comment
+    check
   end
 
   def test_string
     @string_input    = "\"hello\""
     @parse_output =  {:string=>[{:char=>"h"}, {:char=>"e"}, {:char=>"l"}, {:char=>"l"}, {:char=>"o"}]}
     @output =  Ast::StringExpression.new('hello')
-    @parser = @parser.string
+    check
   end
 
   def test_string_escapes
@@ -64,7 +64,7 @@ class TestBasic < MiniTest::Test
     @parse_output =  {:string=>[{:char=>"h"}, {:char=>"e"}, {:char=>"l"}, {:char=>"l"}, {:char=>"o"}, 
       {:char=>" "}, {:char=>" "}, {:esc=>"n"}, {:char=>"y"}, {:char=>"o"}, {:char=>"u"}]}
     @output =  Ast::StringExpression.new(out)
-    @parser = @parser.string
+    check
   end
 
 end