Rename -tasty to -from-tasty

Author: nicolasstucki

compiler/src/dotty/tools/dotc/Driver.scala

@@ -17,7 +17,7 @@ import fromtasty.TASTYCompiler
 class Driver extends DotClass {
 
   protected def newCompiler(implicit ctx: Context): Compiler =
-    if (ctx.settings.tasty.value) new TASTYCompiler
+    if (ctx.settings.fromTasty.value) new TASTYCompiler
     else new Compiler
 
   protected def emptyReporter: Reporter = new StoreReporter(null)

compiler/src/dotty/tools/dotc/config/ScalaSettings.scala

@@ -42,7 +42,7 @@ class ScalaSettings extends Settings.SettingGroup {
   val language = MultiStringSetting("-language", "feature", "Enable one or more language features.")
   val rewrite = OptionSetting[Rewrites]("-rewrite", "When used in conjunction with -language:Scala2 rewrites sources to migrate to new syntax")
   val silentWarnings = BooleanSetting("-nowarn", "Silence all warnings.")
-  val tasty = BooleanSetting("-tasty", "Compile classes from tasty in classpath. The arguments are used as class names.")
+  val fromTasty = BooleanSetting("-from-tasty", "Compile classes from tasty in classpath. The arguments are used as class names.")
 
   /** -X "Advanced" settings
    */

compiler/src/dotty/tools/dotc/core/SymbolLoaders.scala

@@ -337,7 +337,7 @@ class ClassfileLoader(val classfile: AbstractFile) extends SymbolLoader {
   }
 
   private def mayLoadTreesFromTasty(implicit ctx: Context): Boolean =
-    ctx.settings.YretainTrees.value || ctx.settings.XlinkOptimise.value || ctx.settings.tasty.value
+    ctx.settings.YretainTrees.value || ctx.settings.XlinkOptimise.value || ctx.settings.fromTasty.value
 }
 
 class SourcefileLoader(val srcfile: AbstractFile) extends SymbolLoader {

compiler/test/dotty/tools/vulpix/ParallelTesting.scala

@@ -395,7 +395,7 @@ trait ParallelTesting extends RunnerOrchestration { self =>
     protected def compileFromTasty(flags0: TestFlags, suppressErrors: Boolean, targetDir: JFile): TestReporter = {
       val tastyOutput = new JFile(targetDir.getPath + "_from-tasty")
       tastyOutput.mkdir()
-      val flags = flags0 and ("-d", tastyOutput.getAbsolutePath) and "-tasty"
+      val flags = flags0 and ("-d", tastyOutput.getAbsolutePath) and "-form-tasty"
 
       def hasTastyFileToClassName(f: JFile): String =
         targetDir.toPath.relativize(f.toPath).toString.dropRight(".hasTasty".length).replace('/', '.')
@@ -1099,7 +1099,7 @@ trait ParallelTesting extends RunnerOrchestration { self =>
     val target = JointCompilationSource(
       testGroup.name,
       Array(sourceFile),
-      flags.withClasspath(tastySource.getPath) and "-tasty",
+      flags.withClasspath(tastySource.getPath) and "-from-tasty",
       tastySource,
       fromTasty = true
     )