SI-6379 adds MethodSymbol.exception

Following Simon’s request, this commit introduces a dedicated API
that can be used to acquire the list of exceptions thrown by a method,
abstracting away from whether it’s a Java or a Scala artifact.

1 files changed, 22 insertions, 0 deletions

diff --git a/test/files/run/t6379/Test_2.scala b/test/files/run/t6379/Test_2.scala
new file mode 100644
index 0000000000..af4ec7c6d0
--- /dev/null
+++ b/test/files/run/t6379/Test_2.scala
@@ -0,0 +1,22 @@
+import java.io._
+import scala.reflect.runtime.universe._
+
+class Reader(fname: String) {
+  private val in = new BufferedReader(new FileReader(fname))
+  @throws[IOException]("if the file doesn't exist")
+  def read() = in.read()
+}
+
+object Test extends App {
+  def test(sym: MethodSymbol): Unit = {
+    println(s"uninitialized ${sym.name}: ${sym.exceptions}")
+    sym.typeSignature
+    println(s"initialized ${sym.name}: ${sym.exceptions}")
+  }
+
+  Macros.foo
+  println("runtime")
+  test(typeOf[Closeable].declaration(TermName("close")).asMethod)
+  test(typeOf[Product1[_]].declaration(TermName("productElement")).asMethod)
+  test(typeOf[Reader].declaration(TermName("read")).asMethod)
+}