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| author | Martin Odersky <odersky@gmail.com> | 2016-02-16 08:53:41 +0100 |
|---|---|---|
| committer | Martin Odersky <odersky@gmail.com> | 2016-02-17 18:39:48 +0100 |
| commit | 784864d34413f8f42385b1a1c980d65dcbd0052b (patch) | |
| tree | 16b0912ac1ee82422857e57120afcf7bd46277a3 /src/dotty | |
| parent | ae5bccd3d4a9e52aec93088a39fd0d6b658306ba (diff) | |
| download | dotty-784864d34413f8f42385b1a1c980d65dcbd0052b.tar.gz dotty-784864d34413f8f42385b1a1c980d65dcbd0052b.tar.bz2 dotty-784864d34413f8f42385b1a1c980d65dcbd0052b.zip | |
Warm up interpreter during first prompt.
Diffstat (limited to 'src/dotty')
| -rw-r--r-- | src/dotty/tools/dotc/repl/InterpreterLoop.scala | 9 | ||||
| -rw-r--r-- | src/dotty/tools/dotc/repl/Main.scala | 1 |
2 files changed, 4 insertions, 6 deletions
diff --git a/src/dotty/tools/dotc/repl/InterpreterLoop.scala b/src/dotty/tools/dotc/repl/InterpreterLoop.scala index 8cc4d0927..cc5dda947 100644 --- a/src/dotty/tools/dotc/repl/InterpreterLoop.scala +++ b/src/dotty/tools/dotc/repl/InterpreterLoop.scala @@ -73,14 +73,13 @@ class InterpreterLoop( val version = ".next (pre-alpha)" /** The first interpreted command always takes a couple of seconds - * due to classloading. To bridge the gap, wait until the welcome message - * has been printed before calling bindSettings. That way, - * the user can read the welcome message while this - * command executes. + * due to classloading. To bridge the gap, we warm up the interpreter + * by letting it interpret a dummy line while waiting for the first + * line of input to be entered. */ def firstLine(): String = { val futLine = Future(in.readLine(prompt)) - // bindSettings() // TODO adapt to dotty and re-enable (?) + interpreter.beQuietDuring(interpreter.interpret("val __$__ = 1 + 1")) Await.result(futLine, Duration.Inf) } diff --git a/src/dotty/tools/dotc/repl/Main.scala b/src/dotty/tools/dotc/repl/Main.scala index e286be116..b2b92299e 100644 --- a/src/dotty/tools/dotc/repl/Main.scala +++ b/src/dotty/tools/dotc/repl/Main.scala @@ -17,7 +17,6 @@ package repl * - figure out why we can launch REPL only with `java`, not with `scala`. * - make a doti command (urgent, easy) * - create or port REPL tests (urgent, intermediate) - * - make interpreter run a pseudo line on startup to pre-load compiler (somewhat urgent, easy) * - copy improvements of current Scala REPL wrt to this version * (somewhat urgent, intermediate) * - re-enable bindSettings (not urgent, easy, see TODO in InterpreterLoop.scala) |