SI-6626 make @throws tags create links to exceptions

In scaladoc, this turns exceptions in @throws tags into links
(when it can find the target exception), instead of just showing
the name.

2 files changed, 49 insertions, 0 deletions

diff --git a/test/scaladoc/run/t6626.check b/test/scaladoc/run/t6626.check
new file mode 100644
index 0000000000..de3a6c5c0b
--- /dev/null
+++ b/test/scaladoc/run/t6626.check
@@ -0,0 +1,7 @@
+newSource:10: warning: Could not find any member to link for "SomeUnknownException".
+  /**
+  ^
+newSource:10: warning: Could not find any member to link for "IOException".
+  /**
+  ^
+Done.
diff --git a/test/scaladoc/run/t6626.scala b/test/scaladoc/run/t6626.scala
new file mode 100644
index 0000000000..6c61c605d6
--- /dev/null
+++ b/test/scaladoc/run/t6626.scala
@@ -0,0 +1,42 @@
+import scala.tools.nsc.doc.base._
+import scala.tools.nsc.doc.base.comment._
+import scala.tools.nsc.doc.model._
+import scala.tools.partest.ScaladocModelTest
+
+object Test extends ScaladocModelTest {
+
+  override def code = """
+
+package org.foo
+
+class MyException extends Exception
+
+class MyOtherException extends Exception
+
+object Foo {
+  /**
+    * Test exception linking
+    *
+    * @throws org.foo.MyException linked with a fully-qualified name
+    * @throws MyOtherException linked with a relative name
+    * @throws SomeUnknownException not linked at all (but with some text)
+    * @throws IOException
+    */
+  def test(): Unit = ???
+}
+    """
+
+  def scaladocSettings = ""
+
+  def testModel(rootPackage: Package) = {
+    // get the quick access implicit defs in scope (_package(s), _class(es), _trait(s), object(s) _method(s), _value(s))
+    import access._
+
+    val a = rootPackage._package("org")._package("foo")._object("Foo")._method("test")
+    val throws = a.comment.get.throws
+    val allbodies = Body(throws.values.flatMap(_.blocks).toSeq)
+
+    val links = countLinksInBody(allbodies, _.link.isInstanceOf[LinkToTpl[_]])
+    assert(links == 2, links + " ==  2 (links to MyException and MyOtherException)")
+  }
+}