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Diffstat (limited to 'src/compiler/scala/tools/nsc/CompilerCommand.scala')
| -rw-r--r-- | src/compiler/scala/tools/nsc/CompilerCommand.scala | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/compiler/scala/tools/nsc/CompilerCommand.scala b/src/compiler/scala/tools/nsc/CompilerCommand.scala index a1d0d52dcf..3ded456378 100644 --- a/src/compiler/scala/tools/nsc/CompilerCommand.scala +++ b/src/compiler/scala/tools/nsc/CompilerCommand.scala @@ -103,7 +103,15 @@ class CompilerCommand(arguments: List[String], val settings: Settings) { val components = global.phaseNames // global.phaseDescriptors // one initializes s"Phase graph of ${components.size} components output to ${genPhaseGraph.value}*.dot." } - else "" + // would be nicer if we could ask all the options for their helpful messages + else { + val sb = new StringBuilder + allSettings foreach { + case s: MultiChoiceSetting if s.isHelping => sb append s.help + case _ => + } + sb.toString + } } /** |