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Roman Janusz
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Mar 19, 2023
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39 changes: 39 additions & 0 deletions
39
crossproject/src/main/scala/com/github/ghik/sbt/nosbt/crossproject/CrossProjectSupport.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| package com.github.ghik.sbt.nosbt | ||
| package crossproject | ||
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| import com.avsystem.commons.misc.OptArg | ||
| import sbtcrossproject.{CrossProject, CrossType, Platform} | ||
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| trait CrossProjectSupport { this: ProjectGroup => | ||
| /** | ||
| * A cross-project version of `mkSubProject`. | ||
| * Use this method in place of `sbtcrossproject.CrossPlugin.autoImport.crossProject`. | ||
| */ | ||
| protected def mkCrossSubProject(platforms: Platform*): CrossProjectBuilder = macro Macros.mkCrossSubProjectImpl | ||
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| protected def mkCrossSubProject(name: String)(platforms: Platform*): CrossProjectBuilder = | ||
| new CrossProjectBuilder(CrossProject(subProjectId(name), subProjectDir(name))(platforms *)) | ||
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| /** Imitates `CrossProject.Builder` */ | ||
| protected final class CrossProjectBuilder(wrapped: CrossProject.Builder) { | ||
| def withoutSuffixFor(platform: Platform): CrossProjectBuilder = | ||
| new CrossProjectBuilder(wrapped.withoutSuffixFor(platform)) | ||
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| def crossType(crossType: CrossType): CrossProjectBuilder = | ||
| new CrossProjectBuilder(wrapped.crossType(crossType)) | ||
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| def build(): CrossProject = | ||
| wrapped.build().settings(allSubProjectSettings) | ||
| } | ||
| protected object CrossProjectBuilder { | ||
| implicit def crossProjectFromBuilder(builder: CrossProjectBuilder): CrossProject = | ||
| builder.build() | ||
| } | ||
| } | ||
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| abstract class CrossProjectGroup( | ||
| groupName: String, | ||
| parent: OptArg[ProjectGroup] = OptArg.Empty, | ||
| )(implicit | ||
| discoverProject: DiscoveredProjects | ||
| ) extends ProjectGroup(groupName, parent) with CrossProjectSupport |
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34 changes: 34 additions & 0 deletions
34
src/main/scala/com/github/ghik/sbt/nosbt/SbtMacroUtils.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| package com.github.ghik.sbt.nosbt | ||
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| import scala.annotation.tailrec | ||
| import scala.reflect.macros.blackbox | ||
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| // copied from sbt.std.KeyMacro | ||
| private[nosbt] object SbtMacroUtils { | ||
| def definingValName(c: blackbox.Context, invalidEnclosingTree: String => String): String = { | ||
| import c.universe.{Apply as ApplyTree, *} | ||
| val methodName = c.macroApplication.symbol.name | ||
| def processName(n: Name): String = | ||
| n.decodedName.toString.trim // trim is not strictly correct, but macros don't expose the API necessary | ||
| @tailrec def enclosingVal(trees: List[c.Tree]): String = { | ||
| trees match { | ||
| case ValDef(_, name, _, _) :: _ => processName(name) | ||
| case (_: ApplyTree | _: Select | _: TypeApply) :: xs => enclosingVal(xs) | ||
| // lazy val x: X = <methodName> has this form for some reason (only when the explicit type is present, though) | ||
| case Block(_, _) :: DefDef(mods, name, _, _, _, _) :: _ if mods.hasFlag(Flag.LAZY) => | ||
| processName(name) | ||
| case _ => | ||
| c.error(c.enclosingPosition, invalidEnclosingTree(methodName.decodedName.toString)) | ||
| "<error>" | ||
| } | ||
| } | ||
| enclosingVal(enclosingTrees(c).toList) | ||
| } | ||
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| private def enclosingTrees(c: blackbox.Context): Seq[c.Tree] = | ||
| c.asInstanceOf[reflect.macros.runtime.Context] | ||
| .callsiteTyper | ||
| .context | ||
| .enclosingContextChain | ||
| .map(_.tree.asInstanceOf[c.Tree]) | ||
| } |