Respond with a oneof of terms types

proto/code_analysis.proto

@@ -44,6 +44,12 @@ message ParseTreeResponse {
 }
 
 message RawParseTreeResponse {
+  oneof response_type {
+    RubyResponse ruby_response = 1;
+  }
+}
+
+message RubyResponse {
   repeated RubyTerm terms = 1;
 }
 

proto/ruby.proto

@@ -1,4 +1,5 @@
 syntax = "proto3";
+import "types.proto";
 package github.semantic;
 message RubyTerm { RubySyntax syntax = 1;
                  }

proto/types.proto

@@ -15,6 +15,9 @@ enum Language {UNKNOWN = 0;
 enum VertexType {PACKAGE = 0;
                  MODULE = 1;
                  VARIABLE = 2;}
+message ErrorSite { string errorMessage = 1;
+                    SrcLoc errorLocation = 2;
+                  }
 message Blob { bytes blobSource = 1;
                string blobPath = 2;
                Language blobLanguage = 3;
@@ -22,9 +25,6 @@ message Blob { bytes blobSource = 1;
 message Edge { uint64 edgeFrom = 1;
                uint64 edgeTo = 2;
              }
-message ErrorSite { string errorMessage = 1;
-                    SrcLoc errorLocation = 2;
-                  }
 message ImportGraph { repeated Vertex graphVertices = 1;
                       repeated Edge graphEdges = 2;
                     }

src/Language/Ruby/Assignment.hs

@@ -35,6 +35,7 @@ import qualified Data.Syntax.Statement as Statement
 import qualified Data.Term as Term
 import qualified Language.Ruby.Syntax as Ruby.Syntax
 import Prologue hiding (for)
+import Proto3.Suite (Named1(..), Named(..))
 
 -- | The type of Ruby syntax.
 type Syntax = '[
@@ -124,6 +125,12 @@ type Syntax = '[
 type Term = Term.Term (Sum Syntax) (Record Location)
 type Assignment = Assignment.Assignment [] Grammar
 
+instance Named1 (Sum Syntax) where
+  nameOf1 _ = "RubySyntax"
+
+instance Named (Term.Term (Sum Syntax) ()) where
+  nameOf _ = "RubyTerm"
+
 -- | Assignment from AST in Ruby’s grammar onto a program in Ruby’s syntax.
 assignment :: Assignment Term
 assignment = handleError $ makeTerm <$> symbol Program <*> children (Statement.Statements <$> many expression) <|> parseError