From ff4d8e81bbc024636990dc54a0a724f0a6095d02 Mon Sep 17 00:00:00 2001
From: Tomasz Godzik <tomek.godzik@gmail.com>
Date: Tue, 20 Apr 2021 08:50:55 +0200
Subject: [PATCH] Add support for Scala 3.0.0-RC3

---
 .github/workflows/ci.yml                      |  2 +-
 bin/test-release.sh                           |  1 +
 build.sbt                                     |  4 ++--
 .../mdoc/internal/pprint/TypePrinter.scala    | 24 +++++++++++++++++++
 .../mdoc/internal/sourcecode/Macros.scala     | 18 ++++++++++++++
 5 files changed, 46 insertions(+), 3 deletions(-)
 create mode 100644 runtime/src/main/scala-3.0.0-RC3/mdoc/internal/pprint/TypePrinter.scala
 create mode 100644 runtime/src/main/scala-3.0.0-RC3/mdoc/internal/sourcecode/Macros.scala

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 237946a3e..0ad95a85a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,8 +32,8 @@ jobs:
           - "'++2.12.12 test'"
           - "'++2.12.13 test' scripted"
           - "'++2.13.5 test'"
-          - "'++3.0.0-RC1 test'"
           - "'++3.0.0-RC2 test'"
+          - "'++3.0.0-RC3 test'"
     steps:
       - uses: actions/checkout@v2
       - uses: olafurpg/setup-scala@v10
diff --git a/bin/test-release.sh b/bin/test-release.sh
index dbceffc2f..97d347ea0 100755
--- a/bin/test-release.sh
+++ b/bin/test-release.sh
@@ -14,6 +14,7 @@ coursier fetch \
   org.scalameta:mdoc_3.0.0-M3:$version \
   org.scalameta:mdoc_3.0.0-RC1:$version \
   org.scalameta:mdoc_3.0.0-RC2:$version \
+  org.scalameta:mdoc_3.0.0-RC3:$version \
   org.scalameta:mdoc-js_2.11:$version \
   org.scalameta:mdoc-js_2.12.12:$version \
   org.scalameta:mdoc-js_2.12:$version \
diff --git a/build.sbt b/build.sbt
index 4b37e03e7..90392a985 100644
--- a/build.sbt
+++ b/build.sbt
@@ -3,7 +3,7 @@ import scala.collection.mutable
 def scala212 = "2.12.13"
 def scala211 = "2.11.12"
 def scala213 = "2.13.5"
-def scala3 = List("3.0.0-RC2", "3.0.0-RC1", "3.0.0-M3", "3.0.0-M2")
+def scala3 = List("3.0.0-RC3", "3.0.0-RC2", "3.0.0-RC1", "3.0.0-M3", "3.0.0-M2")
 
 def scalajs = "1.5.0"
 def scalajsBinaryVersion = "1"
@@ -111,7 +111,7 @@ lazy val sharedSettings = List(
 
 val V = new {
   val scalameta = "4.4.11"
-  val munit = "0.7.23"
+  val munit = "0.7.25"
   val coursier = "1.0.3"
   val scalacheck = "1.15.2"
 }
diff --git a/runtime/src/main/scala-3.0.0-RC3/mdoc/internal/pprint/TypePrinter.scala b/runtime/src/main/scala-3.0.0-RC3/mdoc/internal/pprint/TypePrinter.scala
new file mode 100644
index 000000000..13c2c7029
--- /dev/null
+++ b/runtime/src/main/scala-3.0.0-RC3/mdoc/internal/pprint/TypePrinter.scala
@@ -0,0 +1,24 @@
+package mdoc.internal.pprint
+
+import scala.language.implicitConversions
+import scala.quoted._
+import scala.quoted.runtime.impl.printers.SyntaxHighlight
+
+trait TPrint[T]{
+  def render: String
+}
+
+object TPrint {
+  inline given default[T]: TPrint[T] = ${ TypePrinter.typeString[T] }
+}
+
+object TypePrinter{
+
+  def typeString[T](using ctx: Quotes, tpe: Type[T]): Expr[TPrint[T]] = {
+    import ctx.reflect._
+
+    val valueType = TypeTree.of[T](using tpe).tpe.show(using Printer.TypeReprShortCode)
+    
+    '{  new TPrint[T]{ def render: String = ${ Expr(valueType) } }  }
+  }
+}
diff --git a/runtime/src/main/scala-3.0.0-RC3/mdoc/internal/sourcecode/Macros.scala b/runtime/src/main/scala-3.0.0-RC3/mdoc/internal/sourcecode/Macros.scala
new file mode 100644
index 000000000..e6d43fc8d
--- /dev/null
+++ b/runtime/src/main/scala-3.0.0-RC3/mdoc/internal/sourcecode/Macros.scala
@@ -0,0 +1,18 @@
+package mdoc.internal.sourcecode
+
+import scala.language.implicitConversions
+import scala.quoted._
+
+trait StatementMacro {
+  inline implicit def generate[T](v: => T): SourceStatement[T] = ${ Macros.text('v) }
+  inline def apply[T](v: => T): SourceStatement[T] = ${ Macros.text('v) }
+}
+
+object Macros{
+
+  def text[T: Type](v: Expr[T])(using ctx: Quotes): Expr[SourceStatement[T]] = {
+    import ctx.reflect.{_, given}
+    val txt =  v.asTerm.pos.sourceCode.getOrElse("")
+    '{SourceStatement[T]($v, ${Expr(txt)})}
+  }
+}
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