tree is working

lib/mrc.rb

@@ -3,4 +3,10 @@
 
 module MRC
   VERSION = '1.0.0'
+
+  class Node     < Struct.new(:children); end
+  class Mustache < Node; end
+  class Id       < Node; alias :name :children; end
+  class String   < Node; end
+  class Params   < Node; end
 end

lib/mrc/parser.y

@@ -5,7 +5,7 @@ token EOF OPEN CLOSE IDENT WS STRING
 rule
 
 expressions
-  : mustache EOF { result = Mustache.new(*val) }
+  : mustache { result = Mustache.new(*val) }
   ;
 
 mustache
@@ -21,13 +21,12 @@ inMustache
 
 params
   : params WS param
-    { result = val.first.push val.last }
+    { result = val.first.children.push val.last }
   | param
-    { result = Param.new(val.first) }
+    { result = Params.new(val) }
   ;
 
 param
   : IDENT { result = Id.new(val.first) }
   | STRING { result = String.new(val.first) }
   ;
-

test/test_mrc.rb

@@ -12,4 +12,14 @@ def test_tokenizer
     expected = [[:OPEN, "{{ "], [:IDENT, "foo"], [:WS, " "], [:IDENT, "bar"], [:WS, " "], [:STRING, "\"baz\""], [:CLOSE, " }}"]]
     assert_equal expected, tokens
   end
+
+  def test_parser
+    tokenizer = MRC::Tokenizer.new
+    tree = tokenizer.scan_str('{{ foo bar "baz" }}')
+    assert_equal 2, tree.children.length
+    assert_equal 'foo', tree.children.first.name
+
+    params = tree.children[1]
+    assert_equal 2, params.length
+  end
 end