Add stdlib package

.github/workflows/test.yml

@@ -81,13 +81,38 @@ jobs:
       - name: Integration Tests
         run: sbt integrationTests/test
 
+  std:
+    name: Standard Library Tests
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        scala: [ "2.13.6", "2.12.15" ]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Install Tabby OSS Cad Suite (from YosysHQ)
+        uses: YosysHQ/setup-oss-cad-suite@v1
+        with:
+          osscadsuite-version: '2021-11-09'
+      - name: Setup Scala
+        uses: olafurpg/setup-scala@v10
+        with:
+          java-version: "adopt@1.11"
+      - name: Cache Scala
+        uses: coursier/cache-action@v5
+      - name: Check Formatting (Scala 2.12 only)
+        if: startsWith(matrix.scala, '2.12')
+        run: sbt ++${{ matrix.scala }} standardLibrary/scalafmtCheckAll
+      - name: Unit Tests
+        run: sbt ++${{ matrix.scala }} standardLibrary/test
+
   # Sentinel job to simplify how we specify which checks need to pass in branch
   # protection and in Mergify
   #
   # When adding new jobs, please add them to `needs` below
   all_tests_passed:
     name: "all tests passed"
-    needs: [ci, integration]
+    needs: [ci, integration, std]
     runs-on: ubuntu-20.04
     steps:
       - run: echo Success!

build.sbt

@@ -242,6 +242,20 @@ lazy val integrationTests = (project in file("integration-tests"))
     )
   )
 
+// the chisel standard library
+lazy val standardLibrary = (project in file("stdlib"))
+  .dependsOn(chisel)
+  .settings(commonSettings: _*)
+  .settings(chiselSettings: _*)
+  .settings(usePluginSettings: _*)
+  .settings(
+    Seq(
+      libraryDependencies += defaultVersions("chiseltest") % "test",
+      Compile / scalaSource := baseDirectory.value / "src",
+      Test / scalaSource := baseDirectory.value / "test",
+    )
+  )
+
 lazy val docs = project // new documentation project
   .in(file("docs-target")) // important: it must not be docs/
   .dependsOn(chisel)

build.sc

@@ -108,6 +108,21 @@ class chisel3CrossModule(val crossScalaVersion: String) extends CommonModule wit
     super.scalacOptions() ++ Agg(s"-Xplugin:${plugin.jar().path}", "-P:chiselplugin:genBundleElements")
   }
 
+  object stdlib extends CommonModule {
+    override def millSourcePath = m.millSourcePath / "stdlib"
+
+    override def crossScalaVersion = m.crossScalaVersion
+
+    override def scalacPluginClasspath = T { m.scalacPluginClasspath() }
+
+    object test extends Tests with TestModule.ScalaTest {
+      override def moduleDeps = super.moduleDeps ++ chiseltestModule
+      override def ivyDeps = m.ivyDeps() ++ Agg(
+        v.scalatest
+      )
+    }
+  }
+
   object test extends Tests with TestModule.ScalaTest {
     override def scalacPluginClasspath = T { m.scalacPluginClasspath() }