feat: Hardcoded Derivatives WIP

Author: Perklone

modules/build/src/main/scala/scala/build/Build.scala

@@ -861,6 +861,8 @@ object Build {
       if (options.useBuildServer.getOrElse(true)) None
       else releaseFlag(options, compilerJvmVersionOpt, logger).map(_.toString)
 
+    val hardcodedSource = options.generateSource
+
     val scalaCompilerParamsOpt = artifacts.scalaOpt match {
       case Some(scalaArtifacts) =>
         val params = value(options.scalaParams).getOrElse {
@@ -1009,7 +1011,8 @@ object Build {
       resourceDirs = sources.resourceDirs,
       scope = scope,
       javaHomeOpt = Option(options.javaHomeLocation().value),
-      javacOptions = javacOptions
+      javacOptions = javacOptions,
+      generateSource = hardcodedSource
     )
     project
   }

modules/build/src/main/scala/scala/build/Project.scala

@@ -28,7 +28,8 @@ final case class Project(
   resourceDirs: Seq[os.Path],
   javaHomeOpt: Option[os.Path],
   scope: Scope,
-  javacOptions: List[String]
+  javacOptions: List[String],
+  generateSource: Option[Boolean]
 ) {
 
   import Project._
@@ -53,8 +54,6 @@ final case class Project(
 
     val sourceGen: BloopConfig.SourceGenerator = {
       val command = "/Users/kiki/Kerja/scala-cli/testing-a/source-generator.py"
-
-
       val sourceGlobs = BloopConfig.SourcesGlobs(
         (os.root / "Users" / "kiki" / "Kerja" / "scala-cli" / "testing-a" / "generator-inputs").toNIO,
         None,
@@ -86,7 +85,7 @@ final case class Project(
         `scala` = scalaConfigOpt,
         java = Some(BloopConfig.Java(javacOptions)),
         resolution = resolution,
-        sourceGenerators = Some(List(sourceGen))
+        sourceGenerators = if (generateSource.getOrElse(false)) Some(List(sourceGen)) else None
       )
   }
 

modules/directives/src/main/scala/scala/build/preprocessing/directives/SourceGenerator.scala

@@ -6,18 +6,15 @@ import scala.build.options.BuildOptions
 import scala.cli.commands.SpecificationLevel
 
 @DirectiveExamples("//> using generator")
-@DirectiveUsage(
-    "//> using generator", 
-    "`//> using generator`"
-)
+@DirectiveUsage("//> using generator", "`//> using generator`")
 @DirectiveDescription("Generate code using Source Generator")
 @DirectiveLevel(SpecificationLevel.EXPERIMENTAL)
 final case class SourceGenerator (
     placeHolderGenerator: Boolean = false
 ) extends HasBuildOptions {
     def buildOptions: Either[BuildException, BuildOptions] = {
         val buildOpt = BuildOptions(
-            useBuildServer = Some(true)
+            generateSource = Some(placeHolderGenerator)
         )
         Right(buildOpt)
     }

modules/options/src/main/scala/scala/build/options/BuildOptions.scala

@@ -45,7 +45,8 @@ final case class BuildOptions(
   testOptions: TestOptions = TestOptions(),
   notForBloopOptions: PostBuildOptions = PostBuildOptions(),
   sourceGeneratorOptions: SourceGeneratorOptions = SourceGeneratorOptions(),
-  useBuildServer: Option[Boolean] = None
+  useBuildServer: Option[Boolean] = None,
+  generateSource: Option[Boolean] = None
 ) {
 
   import BuildOptions.JavaHomeInfo