[Truffle] Implement just enough of Rational and Complex for language specs.

Author: eregon

core/src/main/java/org/jruby/truffle/translator/BodyTranslator.java

@@ -658,6 +658,14 @@ private RubyNode translateCPath(SourceSection sourceSection, org.jruby.ast.Colon
         }
     }
 
+    @Override
+    public RubyNode visitComplexNode(ComplexNode node) {
+        final SourceSection sourceSection = translate(node.getPosition());
+
+        // TODO: implement Complex
+        return node.getNumber().accept(this);
+    }
+
     @Override
     public RubyNode visitConstDeclNode(org.jruby.ast.ConstDeclNode node) {
         final SourceSection sourceSection = translate(node.getPosition());
@@ -1834,6 +1842,14 @@ public RubyNode visitPostExeNode(PostExeNode node) {
         return node.getBodyNode().accept(this);
     }
 
+    @Override
+    public RubyNode visitRationalNode(RationalNode node) {
+        final SourceSection sourceSection = translate(node.getPosition());
+
+        // TODO: implement Rational
+        return new FixnumLiteralNode.LongFixnumLiteralNode(context, sourceSection, node.getNumerator());
+    }
+
     @Override
     public RubyNode visitRedoNode(org.jruby.ast.RedoNode node) {
         return new RedoNode(context, translate(node.getPosition()));

core/src/main/ruby/jruby/truffle/core/kernel.rb

@@ -33,6 +33,15 @@ def puts(*args)
     end
   end
 
+  # Minimal support for language specs
+  def Rational(numerator, denominator)
+    numerator
+  end
+
+  def Complex(real, imaginary)
+    imaginary
+  end
+
 end
 
 def STDOUT.internal_encoding