Implicit returns for class methods

gets us parsing of parfaits second file data_object

lib/ruby/class_method_statement.rb

@@ -2,7 +2,8 @@ module Ruby
   class ClassMethodStatement < MethodStatement
 
     def to_vool
-      Vool::ClassMethodExpression.new( @name , @args.dup , @body.to_vool)
+      body = normalized_body
+      Vool::ClassMethodExpression.new( @name , @args.dup , body.to_vool)
     end
 
     def to_s(depth = 0)

lib/ruby/method_statement.rb

@@ -8,13 +8,17 @@ module Ruby
       @clazz = clazz
     end
 
+    # At the moment normalizing means creating implicit returns for some cases
+    # see replace_return for details.
+    def normalized_body
+      return replace_return( @body ) unless  @body.is_a?(Statements)
+      body = Statements.new( @body.statements.dup )
+      body << replace_return( body.pop )
+    end
+
     def to_vool
-      if @body.is_a?(Statements)
-          @body << replace_return( @body.pop )
-      else
-        @body = replace_return( @body )
-      end
-      Vool::MethodExpression.new( @name , @args.dup , @body.to_vool)
+      body = normalized_body
+      Vool::MethodExpression.new( @name , @args.dup , body.to_vool)
     end
 
     def replace_return(statement)

test/risc/test_method_compiler.rb

@@ -20,7 +20,7 @@ module Risc
 
     def test_method_has_source
       method = create_method
-      assert_equal Vool::ScopeStatement ,  method.source.class
+      assert_equal Vool::Statements ,  method.source.class
     end
 
     def test_method_has_no_locals

test/ruby/test_class_method_statement.rb

@@ -49,7 +49,26 @@ module Ruby
       assert_equal [:arg1, :arg2] , @lst.args
     end
     def test_body_is_scope_zero_statement
-      assert_equal Vool::LocalAssignment , @lst.body.class
+      assert_equal Vool::Statements , @lst.body.class
+    end
+    def test_body_is_scope_zero_statement
+      assert_equal Vool::LocalAssignment , @lst.body.first.class
+    end
+  end
+  class TestClassMethodStatementImplicitReturn < MiniTest::Test
+    include RubyTests
+    def setup()
+      input = "def self.tryout(arg1, arg2) ; arg1 ; end "
+      @lst = compile( input ).to_vool
+    end
+    def test_method
+      assert_equal Vool::ClassMethodExpression , @lst.class
+    end
+    def test_method_args
+      assert_equal [:arg1, :arg2] , @lst.args
+    end
+    def test_body_is_scope_zero_statement
+      assert_equal Vool::ReturnStatement , @lst.body.class
     end
   end
   class TestClassMethodStatement < MiniTest::Test

test/rubyx/parfait/test_data_object.rb

@@ -2,7 +2,7 @@ require_relative "helper"
 
 module RubyX
 
-  class TestDatObjectCompile #< MiniTest::Test
+  class TestDatObjectCompile < MiniTest::Test
     include ParfaitHelper
     def setup
       @compiler = compiler
@@ -17,23 +17,23 @@ module RubyX
     end
     def test_vool
       vool = @compiler.ruby_to_vool source
-      assert_equ Vool::ScopeStatement , vool.class
-      assert_equal Vool::ClassStatement , vool[0].class
-      assert_equal Vool::ScopeStatement , vool[1].class
-      assert_equal Vool::ClassStatement , vool[1][0].class
-      assert_equal :DataObject , vool[1][0].name
-      assert_equal :Data4 , vool[1][1].name
-      assert_equal :Data8 , vool[1][2].name
+      assert_equal Vool::ScopeStatement , vool.class
+      assert_equal Vool::ClassExpression , vool[0].class
+      assert_equal Vool::ClassExpression , vool[1].class
+      assert_equal Vool::ClassExpression , vool[2].class
+      assert_equal :DataObject , vool[1].name
+      assert_equal :Data4 , vool[2].name
+      assert_equal :Data8 , vool[3].name
     end
     def test_mom
       mom = @compiler.ruby_to_mom source
       assert_equal Mom::MomCollection , mom.class
     end
-    def qtest_risc
+    def test_risc
       risc = compiler.ruby_to_risc source
       assert_equal Risc::RiscCollection , risc.class
     end
-    def qtest_binary
+    def test_binary
       risc = compiler.ruby_to_binary source , :interpreter
       assert_equal Risc::Linker , risc.class
     end

test/rubyx/test_rubyx_compiler2.rb

@@ -26,22 +26,21 @@ module RubyX
       assert_equal 22 , linker.assemblers.length
     end
   end
-  class TestRubyXCompilerParfait #< MiniTest::Test
+  class TestRubyXCompilerParfait < MiniTest::Test
     include ScopeHelper
     include RubyXHelper
 
     def setup
       super
       code = "class Space ; def self.class_method(); return 1; end;def main(arg);return Space.class_method;end; end"
-      @comp = RubyXCompiler.ruby_to_risc(code , load_parfait: true)# , platform: :interpreter)
+      @comp = RubyXCompiler.ruby_to_binary(code , load_parfait: true , platform: :interpreter)
     end
 
     def test_load
       object = Parfait.object_space.get_class_by_name(:Object)
-      assert_equal Parfait::Class , object.class
-      object = object.instance_type
-      object.methods.each_method {|m| puts m.name}
-      assert_equal Parfait::Type , object.get_method(:set_type)
+      #object.methods.each_method {|m| puts m.name}
+      assert_equal Parfait::VoolMethod , object.get_method(:set_type).class
+      assert_equal Parfait::CallableMethod , object.instance_type.get_method(:set_type).class
     end
   end
 end