[ruby/yarp] Split up compiler versus visitor

https://github.com/ruby/yarp/commit/2e6baa3f19

2 files changed, 33 insertions, 3 deletions

diff --git a/test/yarp/compiler_test.rb b/test/yarp/compiler_test.rb
new file mode 100644
index 0000000000..141e183469
--- /dev/null
+++ b/test/yarp/compiler_test.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+require_relative "test_helper"
+
+module YARP
+  class CompilerTest < TestCase
+    class SExpressions < YARP::Compiler
+      def visit_arguments_node(node)
+        [:arguments, super]
+      end
+
+      def visit_call_node(node)
+        [:call, super]
+      end
+
+      def visit_integer_node(node)
+        [:integer]
+      end
+
+      def visit_program_node(node)
+        [:program, super]
+      end
+    end
+
+    def test_compiler
+      expected = [:program, [[[:call, [[:integer], [:arguments, [[:integer]]]]]]]]
+      assert_equal expected, YARP.parse("1 + 2").value.accept(SExpressions.new)
+    end
+  end
+end
diff --git a/test/yarp/desugar_visitor_test.rb b/test/yarp/desugar_compiler_test.rb
index 3966d7bfcb..8d2b207fed 100644
--- a/test/yarp/desugar_visitor_test.rb
+++ b/test/yarp/desugar_compiler_test.rb
@@ -3,7 +3,7 @@
 require_relative "test_helper"
 
 module YARP
-  class DesugarVisitorTest < TestCase
+  class DesugarCompilerTest < TestCase
     def test_and_write
       assert_desugars("(AndNode (ClassVariableReadNode) (ClassVariableWriteNode (CallNode)))", "@@foo &&= bar")
       assert_not_desugared("Foo::Bar &&= baz", "Desugaring would execute Foo twice or need temporary variables")
@@ -72,7 +72,7 @@ module YARP
     end
 
     def assert_desugars(expected, source)
-      ast = YARP.parse(source).value.accept(DesugarVisitor.new)
+      ast = YARP.parse(source).value.accept(DesugarCompiler.new)
       assert_equal expected, ast_inspect(ast.statements.body.last)
 
       ast.accept(EnsureEveryNodeOnceInAST.new)
@@ -80,7 +80,7 @@ module YARP
 
     def assert_not_desugared(source, reason)
       ast = YARP.parse(source).value
-      assert_equal_nodes(ast, ast.accept(DesugarVisitor.new))
+      assert_equal_nodes(ast, ast.accept(DesugarCompiler.new))
     end
   end
 end