Add REPL setting to quit after evaluating init script

scala · Feb 21, 2025 · c18ac07 · c18ac07
1 parent 28fa050
commit c18ac07
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/compiler/src/dotty/tools/dotc/config/ScalaSettings.scala b/compiler/src/dotty/tools/dotc/config/ScalaSettings.scala
@@ -127,6 +127,7 @@ trait CommonScalaSettings:
   val usejavacp: Setting[Boolean] = BooleanSetting(RootSetting, "usejavacp", "Utilize the java.class.path in classpath resolution.", aliases = List("--use-java-class-path"))
   val scalajs: Setting[Boolean] = BooleanSetting(RootSetting, "scalajs", "Compile in Scala.js mode (requires scalajs-library.jar on the classpath).", aliases = List("--scalajs"))
   val replInitScript: Setting[String] = StringSetting(RootSetting, "repl-init-script", "code", "The code will be run on REPL startup.", "", aliases = List("--repl-init-script"))
+  val replEvalOnly: Setting[Boolean] = BooleanSetting(RootSetting, "repl-eval", "Quit REPL after evaluating the init script.", aliases = List("--repl-eval"))
 end CommonScalaSettings
 
 /** -P "plugin" settings. Various tools might support plugins. */

diff --git a/compiler/src/dotty/tools/repl/ReplDriver.scala b/compiler/src/dotty/tools/repl/ReplDriver.scala
@@ -153,7 +153,9 @@ class ReplDriver(settings: Array[String],
    *
    *  Possible reason for unsuccessful run are raised flags in CLI like --help or --version
    */
-  final def tryRunning = if shouldStart then runUntilQuit()
+  final def tryRunning = if shouldStart then
+    if rootCtx.settings.replEvalOnly.value(using rootCtx) then initialState
+    else runUntilQuit()
 
   /** Run REPL with `state` until `:quit` command found
    *