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refactor: Use normal dotty driver instead of interactive one #829

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merged 1 commit into from
Jan 6, 2024
+33 −7
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refactor: Use normal dotty driver instead of interactive one #829

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40 changes: 33 additions & 7 deletions mdoc/src/main/scala-3/mdoc/internal/markdown/MarkdownCompiler.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -28,13 +28,12 @@ import scala.meta.AbsolutePath
import scala.meta.inputs.Input
import scala.meta.inputs.Position

import dotty.tools.dotc.interactive.InteractiveDriver
import dotty.tools.dotc.interactive.Interactive
import dotty.tools.dotc.interactive.InteractiveCompiler
import dotty.tools.dotc.Driver
import dotty.tools.dotc.core.Contexts.{Context, FreshContext}
import dotty.tools.dotc.config.Settings.Setting._
import dotty.tools.dotc.interfaces.SourcePosition
import dotty.tools.dotc.ast.Trees.Tree
import dotty.tools.dotc.ast.tpd
import dotty.tools.dotc.interfaces.{SourceFile => ISourceFile}
import dotty.tools.dotc.interfaces.{Diagnostic => IDiagnostic}
import dotty.tools.dotc.reporting._
Expand All @@ -46,19 +45,46 @@ import dotty.tools.dotc.util.SourceFile

import scala.annotation.implicitNotFound

class MarkdownDriver(val settings: List[String]) extends Driver {

/* Otherwise it will print usage instructions */
override protected def sourcesRequired: Boolean = false

def currentCtx = myInitCtx

private val myInitCtx: Context = {
val rootCtx = initCtx.fresh
val ctx = setup(settings.toArray, rootCtx) match
case Some((_, ctx)) => ctx
case None => rootCtx
ctx.initialize()(using ctx)
ctx
}
}

class MarkdownCompiler(
classpath: String,
val scalacOptions: String,
target: AbstractFile = new VirtualDirectory("(memory)")
) {

private val defaultFlags =
List("-color:never", "-unchecked", "-deprecation", "-Ximport-suggestion-timeout", "0")
private val defaultFlagSet = defaultFlags.filter(_.startsWith("-")).toSet

private def newContext: FreshContext = {
val defaultFlags =
List("-color:never", "-unchecked", "-deprecation", "-Ximport-suggestion-timeout", "0")
val options = scalacOptions.split("\\s+").toList
def removeDuplicatedOptions(options: List[String]): List[String] =
options match
case head :: next :: tail if defaultFlagSet(head) && !next.startsWith("-") =>
removeDuplicatedOptions(tail)
case head :: tail if defaultFlagSet(head) => head :: removeDuplicatedOptions(tail)
case head :: tail => head :: removeDuplicatedOptions(tail)
case Nil => options

val options = removeDuplicatedOptions(scalacOptions.split("\\s+").filter(_.nonEmpty).toList)
val settings =
options ::: defaultFlags ::: "-classpath" :: classpath :: Nil
val driver = new InteractiveDriver(settings.distinct)
val driver = new MarkdownDriver(settings)

val ctx = driver.currentCtx.fresh

Expand Down