Make dottydoc main available for Java instances

4 files changed, 33 insertions, 28 deletions

diff --git a/doc-tool/src/dotty/tools/dottydoc/DottyDoc.scala b/doc-tool/src/dotty/tools/dottydoc/DottyDoc.scala
index 0dea96134..b7d3e4d58 100644
--- a/doc-tool/src/dotty/tools/dottydoc/DottyDoc.scala
+++ b/doc-tool/src/dotty/tools/dottydoc/DottyDoc.scala
@@ -49,7 +49,7 @@ class DocFrontEnd extends FrontEnd {
     unit.isJava
 }
 
-abstract class DocDriver extends Driver {
+class DocDriver extends Driver {
   import scala.collection.JavaConverters._
 
   override def setup(args: Array[String], rootCtx: Context): (List[String], Context) = {
diff --git a/doc-tool/src/dotty/tools/dottydoc/Main.scala b/doc-tool/src/dotty/tools/dottydoc/Main.scala
new file mode 100644
index 000000000..f158bdbfc
--- /dev/null
+++ b/doc-tool/src/dotty/tools/dottydoc/Main.scala
@@ -0,0 +1,5 @@
+package dotty.tools
+package dottydoc
+
+/** Main runnable for DottyDoc */
+object Main extends DocDriver
diff --git a/doc-tool/src/dotty/tools/dottydoc/api/java/Dottydoc.java b/doc-tool/src/dotty/tools/dottydoc/api/java/Dottydoc.java
index 1bdfe0488..d10e145a8 100644
--- a/doc-tool/src/dotty/tools/dottydoc/api/java/Dottydoc.java
+++ b/doc-tool/src/dotty/tools/dottydoc/api/java/Dottydoc.java
@@ -30,20 +30,21 @@ import java.net.URL;
  * The tool can also generate JSON from the created index using "toJson(index)"
  * or directly using "createJsonIndex"
  */
-public class Dottydoc extends DocDriver {
+public class Dottydoc {
+    private DocDriver driver = new DocDriver();
 
     /** Creates index from compiler arguments */
     public Map<String, Package> createIndex(String[] args) {
-        return compiledDocsJava(args);
+        return driver.compiledDocsJava(args);
     }
 
     /** Creates JSON from compiler arguments */
     public String createJsonIndex(String[] args) {
-        return indexToJsonJava(createIndex(args));
+        return driver.indexToJsonJava(createIndex(args));
     }
 
     public String toJson(Map<String, Package> index) {
-        return indexToJsonJava(index);
+        return driver.indexToJsonJava(index);
     }
 
     /** Creates a documentation from the given parameters */
diff --git a/doc-tool/src/dotty/tools/dottydoc/api/scala/Dottydoc.scala b/doc-tool/src/dotty/tools/dottydoc/api/scala/Dottydoc.scala
index 15db81a95..37f97040b 100644
--- a/doc-tool/src/dotty/tools/dottydoc/api/scala/Dottydoc.scala
+++ b/doc-tool/src/dotty/tools/dottydoc/api/scala/Dottydoc.scala
@@ -7,29 +7,28 @@ import dotty.tools.dottydoc.util.OutputWriter
 import scala.collection.Map
 import java.net.URL
 
-/**
- * The Dottydoc API is fairly simple. The tool creates an index by calling:
- * "createIndex" with the same argument list as you would the compiler - e.g:
- *
- * {{{
- * val array: Array[String] = Array(
- *   "-language:Scala2"
- * )
- *
- * val index: Map[String, Package] = createIndex(array)
- * }}}
- *
- * Once the index has been generated, the tool can also build a documentation
- * API given a Mustache template and a flat resources structure (i.e. absolute
- * paths to each resource, which will be put in the same directory).
- *
- * {{{
- * buildDocs("path/to/output/dir", templateURL, resources, index)
- * }}}
- *
- * The tool can also generate JSON from the created index using "indexToJson"
- * or directly using "createJsonIndex"
- */
+/** The Dottydoc API is fairly simple. The tool creates an index by calling:
+  * `createIndex` with the same argument list as you would the compiler - e.g:
+  *
+  * ```scala
+  * val array: Array[String] = Array(
+  *   "-language:Scala2"
+  * )
+  *
+  * val index: Map[String, Package] = createIndex(array)
+  * ```
+  *
+  * Once the index has been generated, the tool can also build a documentation
+  * API given a Mustache template and a flat resources structure (i.e. absolute
+  * paths to each resource, which will be put in the same directory).
+  *
+  * ```scala
+  * buildDocs("path/to/output/dir", templateURL, resources, index)
+  * ```
+  *
+  * The tool can also generate JSON from the created index using `indexToJson`
+  * or directly using `createJsonIndex`
+  */
 trait Dottydoc extends DocDriver {
   /** Creates index from compiler arguments */
   def createIndex(args: Array[String]): Map[String, Package] =