SemanticDB support to be used by BSP (and others) #1977

lefou · 2022-07-29T08:53:24Z

Experiments with SemanticDB generation in a dedicated target semanticDbData.

~~This PR builds on top of Add a MillBuildModule and improve BSP for build.sc #1972 to reuse some of the work I've done there.~~
This PR is related to the idea cii) of Better Metals support - Automatic SemanticDB enablement (RFC) #1546
and reflects the motivation described in comment Better Metals support - Automatic SemanticDB enablement (RFC) #1546 (comment) (and following)

Tasks:

Figure out how to create SemanticDB data for Scala projects in dedicated target
Rebase to main branch
Use semanticDB data in BSP module
depend on fact whether client is requesting SemanticDB
Use SemanticDB version requested from client

Potential follow-up tasks:

Figure out how to create SemanticDB data for Java projects
Detect setups with already enabled/added SemanticDB setup and avoid extra work
Document, how to use SemanticDB data, as it may be useful for other consumers too, e.g. mill-scalafix, ...

lefou · 2022-07-29T09:04:37Z

To generate SemanticDB data you can run:

mill __.semanticDbData

which should be much faster than a full compile with

mill __.compile

lefou · 2022-07-29T09:16:50Z

$ time dev-mill showNamed main.__.compile
...
real    0m49,278s
user    0m2,335s
sys     0m1,365s

$ time dev-mill showNamed main.__.semanticDbData
...
{
  "main.semanticDbData": "ref:30554a91:/home/lefou/work/opensource/mill-bsp/out/main/semanticDbData.dest/classes",
  "main.api.semanticDbData": "ref:de11efa5:/home/lefou/work/opensource/mill-bsp/out/main/api/semanticDbData.dest/classes",
  "main.core.semanticDbData": "ref:d2ffde84:/home/lefou/work/opensource/mill-bsp/out/main/core/semanticDbData.dest/classes",
  "main.core.test.semanticDbData": "ref:5c9525c2:/home/lefou/work/opensource/mill-bsp/out/main/core/test/semanticDbData.dest/classes",
  "main.graphviz.semanticDbData": "ref:5b070d40:/home/lefou/work/opensource/mill-bsp/out/main/graphviz/semanticDbData.dest/classes",
  "main.graphviz.test.semanticDbData": "ref:c984eca8:/home/lefou/work/opensource/mill-bsp/out/main/graphviz/test/semanticDbData.dest/classes",
  "main.moduledefs.semanticDbData": "ref:b0de0dbc:/home/lefou/work/opensource/mill-bsp/out/main/moduledefs/semanticDbData.dest/classes",
  "main.test.semanticDbData": "ref:53dffc49:/home/lefou/work/opensource/mill-bsp/out/main/test/semanticDbData.dest/classes",
  "main.testkit.semanticDbData": "ref:4a278b4f:/home/lefou/work/opensource/mill-bsp/out/main/testkit/semanticDbData.dest/classes",
  "main.testkit.test.semanticDbData": "ref:47673833:/home/lefou/work/opensource/mill-bsp/out/main/testkit/test/semanticDbData.dest/classes",
  "main.util.semanticDbData": "ref:363dbe03:/home/lefou/work/opensource/mill-bsp/out/main/util/semanticDbData.dest/classes"
}

real    0m10,957s
user    0m0,990s
sys     0m0,363s

lefou · 2022-08-10T15:32:09Z

@ckipp01 I think this branch should now produce some semanticDB data to be used by Metals. We only enable when we see that a semanticDB version is send in the client connection request (but currently ignore the version value). Also, as you predicted, Metals thinks semanticDB isn't enabled, as we don't have it's options in the normal settings.

I just ran Metals 0.11.8 doctor, which isn't showing as much details as before. It there a way to see the old but more detailed output?

lefou · 2022-08-10T15:36:06Z

It can be, that my change messed up with the compile progress. Also, looks like Metals has now issues with some URIs which contain query components. I think, this is someting, I added because Bloop does it too.

lefou · 2022-08-10T15:38:15Z

I also rebased to the main branch, so don't expect that the mill-build module is functional.

ckipp01 · 2022-08-12T07:14:26Z

Awesome to see progress on this! I'm testing right now and I'll drop some things in here as I come across them. The first thing I notice is that something is going wrong right away when Metals is requesting scalacOptions. For example here are the logs:

[Trace - 09:10:15 am] Sending request 'buildTarget/scalacOptions - (3)'
Params: {
  "targets": [
    {
      "uri": "file:///Users/ckipp/Documents/scala-workspace/minimal/minimal?id\u003dminimal"
    },
    {
      "uri": "file:///Users/ckipp/Documents/scala-workspace/minimal/minimal/test?id\u003dminimal.test"
    },
    {
      "uri": "file:///Users/ckipp/Documents/scala-workspace/minimal?id\u003dmill-build"
    }
  ]
}


[Trace - 09:10:19 am] Received response 'buildTarget/scalacOptions - (3)' in 3807ms
Result: null
Error: {
  "code": -32603,
  "message": "Internal error.",
  "data": "java.util.concurrent.CompletionException: java.lang.Exception: Failure during task evaluation: mill.bsp.MillBuildServer.mill-build.semanticDbData Compilation failed\n\tat java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:332)\n\tat java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:347)\n\tat java.base/java.util.concurrent.CompletableFuture$UniAccept.tryFire(CompletableFuture.java:708)\n\tat java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:510)\n\tat java.base/java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:2162)\n\tat mill.bsp.MillBuildServer.$anonfun$completable$1(MillBuildServer.scala:710)\n\tat mill.bsp.MillBuildServer.$anonfun$completable$1$adapted(MillBuildServer.scala:698)\n\tat scala.concurrent.impl.Promise$Transformation.run(Promise.scala:484)\n\tat java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1395)\n\tat java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:373)\n\tat java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1182)\n\tat java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1655)\n\tat java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1622)\n\tat java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:165)\nCaused by: java.lang.Exception: Failure during task evaluation: mill.bsp.MillBuildServer.mill-build.semanticDbData Compilation failed\n\tat mill.eval.Evaluator$.$anonfun$evalOrThrow$default$2$1(Evaluator.scala:1001)\n\tat mill.eval.Evaluator$EvalOrThrow.apply(Evaluator.scala:990)\n\tat mill.bsp.MillBuildServer.targetTasks(MillBuildServer.scala:671)\n\tat mill.bsp.MillScalaBuildServer.$anonfun$buildTargetScalacOptions$1(MillScalaBuildServer.scala:35)\n\tat mill.bsp.MillBuildServer.$anonfun$completable$1(MillBuildServer.scala:701)\n\t... 8 more\n"
}

I know you mentioned the Mill build stuff won't work yet, but maybe that's the issue? Since Mill is responding that there are 3 targets with the third being mill-build, but it can't handle requests for that?

The requests for javacOptions also get the same response. I think this ends up having cascading ramifications in metals that I'm still trying to chase down. It's for sure not picking up the SemanticDB, but I think that might be twofold being that it may not know where to look, but in Metals we also scan through the scalacOptions to ensure semanticDB is enabled, and since the response for scalacOptions is an error here that's throwing things off as well.

lefou · 2022-08-12T08:36:17Z

@ckipp01 I can't reproduce your issues with https://github.com/ckipp01/mill-minimal.

[Trace - 10:29:21 vorm.] Received request 'build/initialize - (1)'
Params: {
  "rootUri": "file:///home/lefou/work/tmp/mill-minimal/",
  "displayName": "Metals",
  "version": "0.11.8",
  "bspVersion": "2.1.0-M1",
  "capabilities": {
    "languageIds": [
      "scala",
      "java"
    ]
  },
  "data": {
    "javaSemanticdbVersion": "0.7.4",
    "semanticdbVersion": "4.5.11",
    "supportedScalaVersions": [
      "2.13.8",
      "2.12.16",
      "2.12.15",
      "2.12.14",
      "2.12.13",
      "2.12.12",
      "2.12.11",
      "2.13.5",
      "2.13.6",
      "2.13.7",
      "2.11.12",
      "2.12.8",
      "2.12.9",
      "2.12.10",
      "2.13.1",
      "2.13.2",
      "2.13.3",
      "2.13.4"
    ]
  }
}


[Trace - 10:29:21 vorm.] Sending response 'build/initialize - (1)'. Processing request took 60ms
Result: {
  "displayName": "mill-bsp",
  "version": "0.10.5-62-6ae288",
  "bspVersion": "2.0.0",
  "capabilities": {
    "compileProvider": {
      "languageIds": [
        "java",
        "scala"
      ]
    },
    "testProvider": {
      "languageIds": [
        "java",
        "scala"
      ]
    },
    "runProvider": {
      "languageIds": [
        "java",
        "scala"
      ]
    },
    "debugProvider": {
      "languageIds": []
    },
    "inverseSourcesProvider": true,
    "dependencySourcesProvider": true,
    "dependencyModulesProvider": true,
    "resourcesProvider": true,
    "buildTargetChangedProvider": false,
    "jvmRunEnvironmentProvider": true,
    "jvmTestEnvironmentProvider": true,
    "canReload": true
  }
}


[Trace - 10:29:21 vorm.] Received notification 'build/initialized'
Params: null


[Trace - 10:29:21 vorm.] Received request 'workspace/buildTargets - (2)'
Params: null


[Trace - 10:29:22 vorm.] Sending response 'workspace/buildTargets - (2)'. Processing request took 1290ms
Result: {
  "targets": [
    {
      "id": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
      },
      "displayName": "MillMinimal",
      "baseDirectory": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal",
      "tags": [
        "library",
        "application"
      ],
      "languageIds": [
        "java",
        "scala"
      ],
      "dependencies": [],
      "capabilities": {
        "canCompile": true,
        "canTest": false,
        "canRun": true,
        "canDebug": false
      },
      "dataKind": "scala",
      "data": {
        "scalaOrganization": "org.scala-lang",
        "scalaVersion": "2.13.7",
        "scalaBinaryVersion": "2.13",
        "platform": 1,
        "jars": [
          "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-compiler/2.13.7/scala-compiler-2.13.7.jar",
          "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-reflect/2.13.7/scala-reflect-2.13.7.jar",
          "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-library/2.13.7/scala-library-2.13.7.jar",
          "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/jline/jline/3.20.0/jline-3.20.0.jar",
          "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/net/java/dev/jna/jna/5.8.0/jna-5.8.0.jar"
        ]
      }
    },
    {
      "id": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
      },
      "displayName": "MillMinimal.test",
      "baseDirectory": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test",
      "tags": [
        "test"
      ],
      "languageIds": [
        "java",
        "scala"
      ],
      "dependencies": [
        {
          "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
        }
      ],
      "capabilities": {
        "canCompile": true,
        "canTest": true,
        "canRun": true,
        "canDebug": false
      },
      "dataKind": "scala",
      "data": {
        "scalaOrganization": "org.scala-lang",
        "scalaVersion": "2.13.7",
        "scalaBinaryVersion": "2.13",
        "platform": 1,
        "jars": [
          "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-compiler/2.13.7/scala-compiler-2.13.7.jar",
          "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-reflect/2.13.7/scala-reflect-2.13.7.jar",
          "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-library/2.13.7/scala-library-2.13.7.jar",
          "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/jline/jline/3.20.0/jline-3.20.0.jar",
          "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/net/java/dev/jna/jna/5.8.0/jna-5.8.0.jar"
        ]
      }
    },
    {
      "id": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
      },
      "displayName": "mill-build",
      "baseDirectory": "file:///home/lefou/work/tmp/mill-minimal",
      "tags": [
        "library",
        "application"
      ],
      "languageIds": [
        "scala"
      ],
      "dependencies": [],
      "capabilities": {
        "canCompile": false,
        "canTest": false,
        "canRun": false,
        "canDebug": false
      },
      "dataKind": "scala",
      "data": {
        "scalaOrganization": "org.scala-lang",
        "scalaVersion": "2.13.8",
        "scalaBinaryVersion": "2.13",
        "platform": 1,
        "jars": [
          "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-compiler/2.13.8/scala-compiler-2.13.8.jar",
          "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-reflect/2.13.8/scala-reflect-2.13.8.jar",
          "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-library/2.13.8/scala-library-2.13.8.jar",
          "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/jline/jline/3.21.0/jline-3.21.0.jar",
          "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/net/java/dev/jna/jna/5.9.0/jna-5.9.0.jar"
        ]
      }
    }
  ]
}


[Trace - 10:29:22 vorm.] Received request 'buildTarget/scalacOptions - (3)'
Params: {
  "targets": [
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
    }
  ]
}


[Trace - 10:29:39 vorm.] Sending response 'buildTarget/scalacOptions - (3)'. Processing request took 16694ms
Result: null


[Trace - 10:29:39 vorm.] Received request 'buildTarget/javacOptions - (4)'
Params: {
  "targets": [
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
    }
  ]
}


[Trace - 10:29:40 vorm.] Sending response 'buildTarget/javacOptions - (4)'. Processing request took 1023ms
Result: null


[Trace - 10:29:40 vorm.] Received request 'buildTarget/sources - (5)'
Params: {
  "targets": [
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
    }
  ]
}


[Trace - 10:29:40 vorm.] Sending response 'buildTarget/sources - (5)'. Processing request took 25ms
Result: {
  "items": [
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
      },
      "sources": [
        {
          "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/src",
          "kind": 2,
          "generated": false
        }
      ]
    },
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
      },
      "sources": [
        {
          "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test/src",
          "kind": 2,
          "generated": false
        }
      ]
    },
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
      },
      "sources": [
        {
          "uri": "file:///home/lefou/work/tmp/mill-minimal/build.sc",
          "kind": 1,
          "generated": false
        }
      ]
    }
  ]
}


[Trace - 10:29:40 vorm.] Received request 'buildTarget/dependencySources - (6)'
Params: {
  "targets": [
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
    }
  ]
}


[Trace - 10:29:40 vorm.] Sending response 'buildTarget/dependencySources - (6)'. Processing request took 471ms
Result: {
  "items": [
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
      },
      "sources": [
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-library/2.13.7/scala-library-2.13.7-sources.jar"
      ]
    },
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
      },
      "sources": [
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scalameta/munit_2.13/0.7.29/munit_2.13-0.7.29-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-library/2.13.7/scala-library-2.13.7-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scalameta/junit-interface/0.7.29/junit-interface-0.7.29-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/junit/junit/4.13.2/junit-4.13.2-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-sbt/test-interface/1.0/test-interface-1.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3-sources.jar"
      ]
    },
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
      },
      "sources": [
        "file:///home/lefou/.ivy2/local/com.lihaoyi/mill-scalalib_2.13/0.10.5-62-6ae288/srcs/mill-scalalib_2.13-sources.jar",
        "file:///home/lefou/.ivy2/local/com.lihaoyi/mill-scalajslib_2.13/0.10.5-62-6ae288/srcs/mill-scalajslib_2.13-sources.jar",
        "file:///home/lefou/.ivy2/local/com.lihaoyi/mill-scalanativelib_2.13/0.10.5-62-6ae288/srcs/mill-scalanativelib_2.13-sources.jar",
        "file:///home/lefou/.ivy2/local/com.lihaoyi/mill-bsp_2.13/0.10.5-62-6ae288/srcs/mill-bsp_2.13-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-library/2.13.8/scala-library-2.13.8-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scalameta/scalafmt-dynamic_2.13/3.5.8/scalafmt-dynamic_2.13-3.5.8-sources.jar",
        "file:///home/lefou/.ivy2/local/com.lihaoyi/mill-main_2.13/0.10.5-62-6ae288/srcs/mill-main_2.13-sources.jar",
        "file:///home/lefou/.ivy2/local/com.lihaoyi/mill-scalalib-api_2.13/0.10.5-62-6ae288/srcs/mill-scalalib-api_2.13-sources.jar",
        "file:///home/lefou/.ivy2/local/com.lihaoyi/mill-testrunner_2.13/0.10.5-62-6ae288/srcs/mill-testrunner_2.13-sources.jar",
        "file:///home/lefou/.ivy2/local/com.lihaoyi/mill-scalajslib-worker-api_2.13/0.10.5-62-6ae288/srcs/mill-scalajslib-worker-api_2.13-sources.jar",
        "file:///home/lefou/.ivy2/local/com.lihaoyi/mill-scalanativelib-api/0.10.5-62-6ae288/srcs/mill-scalanativelib-api-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/ch/epfl/scala/bsp4j/2.1.0-M1/bsp4j-2.1.0-M1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-sbt/test-interface/1.0/test-interface-1.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scalameta/scalafmt-interfaces/3.5.8/scalafmt-interfaces-3.5.8-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/io/get-coursier/interface/0.0.21/interface-0.0.21-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/typesafe/config/1.4.2/config-1.4.2-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/io/github/alexarchambault/windows-ansi/windows-ansi/0.0.3/windows-ansi-0.0.3-sources.jar",
        "file:///home/lefou/.ivy2/local/com.lihaoyi/mill-main-core_2.13/0.10.5-62-6ae288/srcs/mill-main-core_2.13-sources.jar",
        "file:///home/lefou/.ivy2/local/com.lihaoyi/mill-main-client/0.10.5-62-6ae288/srcs/mill-main-client-sources.jar",
        "file:///home/lefou/.ivy2/local/com.lihaoyi/mill-main-api_2.13/0.10.5-62-6ae288/srcs/mill-main-api_2.13-sources.jar",
        "file:///home/lefou/.ivy2/local/com.lihaoyi/mill-main-util_2.13/0.10.5-62-6ae288/srcs/mill-main-util_2.13-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/eclipse/lsp4j/org.eclipse.lsp4j.generator/0.12.0/org.eclipse.lsp4j.generator-0.12.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/eclipse/lsp4j/org.eclipse.lsp4j.jsonrpc/0.12.0/org.eclipse.lsp4j.jsonrpc-0.12.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/fusesource/jansi/jansi/1.18/jansi-1.18-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/ammonite_2.13.8/2.5.4/ammonite_2.13.8-2.5.4-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scalameta/trees_2.13/4.5.11/trees_2.13-4.5.11-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/io/get-coursier/coursier_2.13/2.1.0-M6/coursier_2.13-2.1.0-M6-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/net/java/dev/jna/jna/5.12.1/jna-5.12.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/net/java/dev/jna/jna-platform/5.12.1/jna-platform-5.12.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/eed3si9n/jarjarabrams/jarjar-abrams-core_2.13/1.8.1/jarjar-abrams-core_2.13-1.8.1-sources.jar",
        "file:///home/lefou/.ivy2/local/com.lihaoyi/mill-main-moduledefs_2.13/0.10.5-62-6ae288/srcs/mill-main-moduledefs_2.13-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/os-lib_2.13/0.8.1/os-lib_2.13-0.8.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/upickle_2.13/2.0.0/upickle_2.13-2.0.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/ammonite-terminal_2.13/2.5.4/ammonite-terminal_2.13-2.5.4-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/fansi_2.13/0.4.0/fansi_2.13-0.4.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/eclipse/xtend/org.eclipse.xtend.lib/2.24.0/org.eclipse.xtend.lib-2.24.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/google/code/gson/gson/2.8.9/gson-2.8.9-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/ammonite-util_2.13/2.5.4/ammonite-util_2.13-2.5.4-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/ammonite-runtime_2.13.8/2.5.4/ammonite-runtime_2.13.8-2.5.4-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/ammonite-interp-api_2.13.8/2.5.4/ammonite-interp-api_2.13.8-2.5.4-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/ammonite-repl-api_2.13.8/2.5.4/ammonite-repl-api_2.13.8-2.5.4-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/ammonite-interp_2.13.8/2.5.4/ammonite-interp_2.13.8-2.5.4-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/ammonite-repl_2.13.8/2.5.4/ammonite-repl_2.13.8-2.5.4-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/ammonite-compiler_2.13.8/2.5.4/ammonite-compiler_2.13.8-2.5.4-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scalameta/common_2.13/4.5.11/common_2.13-4.5.11-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scalameta/fastparse-v2_2.13/2.3.1/fastparse-v2_2.13-2.3.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/github/plokhotnyuk/jsoniter-scala/jsoniter-scala-core_2.13/2.12.1/jsoniter-scala-core_2.13-2.12.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/github/plokhotnyuk/jsoniter-scala/jsoniter-scala-macros_2.13/2.12.1/jsoniter-scala-macros_2.13-2.12.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-reflect/2.13.8/scala-reflect-2.13.8-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/io/get-coursier/coursier-core_2.13/2.1.0-M6/coursier-core_2.13-2.1.0-M6-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/io/get-coursier/coursier-cache_2.13/2.1.0-M6/coursier-cache_2.13-2.1.0-M6-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/eed3si9n/jarjar/jarjar/1.8.1/jarjar-1.8.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/scala-compiler/2.13.8/scala-compiler-2.13.8-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/sourcecode_2.13/0.3.0/sourcecode_2.13-0.3.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/kohlschutter/junixsocket/junixsocket-native-common/2.5.1/junixsocket-native-common-2.5.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/kohlschutter/junixsocket/junixsocket-common/2.5.1/junixsocket-common-2.5.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/geny_2.13/0.7.1/geny_2.13-0.7.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/ujson_2.13/2.0.0/ujson_2.13-2.0.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/upack_2.13/2.0.0/upack_2.13-2.0.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/upickle-implicits_2.13/2.0.0/upickle-implicits_2.13-2.0.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/eclipse/xtext/org.eclipse.xtext.xbase.lib/2.24.0/org.eclipse.xtext.xbase.lib-2.24.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/eclipse/xtend/org.eclipse.xtend.lib.macro/2.24.0/org.eclipse.xtend.lib.macro-2.24.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/modules/scala-collection-compat_2.13/2.7.0/scala-collection-compat_2.13-2.7.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/pprint_2.13/0.7.1/pprint_2.13-0.7.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/requests_2.13/0.7.0/requests_2.13-0.7.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/mainargs_2.13/0.2.2/mainargs_2.13-0.2.2-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/ammonite-compiler-interface_2.13.8/2.5.4/ammonite-compiler-interface_2.13.8-2.5.4-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/fastparse_2.13/2.3.0/fastparse_2.13-2.3.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scala-lang/modules/scala-xml_2.13/2.0.1/scala-xml_2.13-2.0.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/jline/jline-terminal/3.14.1/jline-terminal-3.14.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/jline/jline-terminal-jna/3.14.1/jline-terminal-jna-3.14.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/jline/jline-reader/3.14.1/jline-reader-3.14.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/scalaparse_2.13/2.3.0/scalaparse_2.13-2.3.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/javassist/javassist/3.21.0-GA/javassist-3.21.0-GA-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/github/javaparser/javaparser-core/3.2.5/javaparser-core-3.2.5-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/thesamet/scalapb/scalapb-runtime_2.13/0.11.11/scalapb-runtime_2.13-0.11.11-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/io/github/alexarchambault/concurrent-reference-hash-map/1.1.0/concurrent-reference-hash-map-1.1.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/io/get-coursier/coursier-util_2.13/2.1.0-M6/coursier-util_2.13-2.1.0-M6-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/io/get-coursier/jniutils/windows-jni-utils/0.3.2/windows-jni-utils-0.3.2-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/codehaus/plexus/plexus-archiver/4.2.7/plexus-archiver-4.2.7-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/codehaus/plexus/plexus-container-default/2.1.1/plexus-container-default-2.1.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/ow2/asm/asm/9.2/asm-9.2-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/ow2/asm/asm-commons/9.2/asm-commons-9.2-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/apache/ant/ant/1.9.9/ant-1.9.9-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/apache/maven/maven-plugin-api/3.3.9/maven-plugin-api-3.3.9-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/apache/commons/commons-lang3/3.8.1/commons-lang3-3.8.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/jline/jline/3.21.0/jline-3.21.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/lihaoyi/upickle-core_2.13/2.0.0/upickle-core_2.13-2.0.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/google/guava/guava/27.1-jre/guava-27.1-jre-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/thesamet/scalapb/lenses_2.13/0.11.11/lenses_2.13-0.11.11-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/google/protobuf/protobuf-java/3.19.2/protobuf-java-3.19.2-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/codehaus/plexus/plexus-utils/3.4.1/plexus-utils-3.4.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/codehaus/plexus/plexus-io/3.2.0/plexus-io-3.2.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/apache/commons/commons-compress/1.21/commons-compress-1.21-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/iq80/snappy/snappy/0.4/snappy-0.4-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/tukaani/xz/1.9/xz-1.9-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/codehaus/plexus/plexus-classworlds/2.6.0/plexus-classworlds-2.6.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/apache/xbean/xbean-reflect/3.7/xbean-reflect-3.7-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/ow2/asm/asm-tree/9.2/asm-tree-9.2-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/ow2/asm/asm-analysis/9.2/asm-analysis-9.2-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/apache/ant/ant-launcher/1.9.9/ant-launcher-1.9.9-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/apache/maven/maven-model/3.3.9/maven-model-3.3.9-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/apache/maven/maven-artifact/3.3.9/maven-artifact-3.3.9-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/eclipse/sisu/org.eclipse.sisu.plexus/0.3.2/org.eclipse.sisu.plexus-0.3.2-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/google/guava/failureaccess/1.0.1/failureaccess-1.0.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/google/code/findbugs/jsr305/3.0.2/jsr305-3.0.2-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/checkerframework/checker-qual/2.5.2/checker-qual-2.5.2-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/google/errorprone/error_prone_annotations/2.2.0/error_prone_annotations-2.2.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/com/google/j2objc/j2objc-annotations/1.1/j2objc-annotations-1.1-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/codehaus/mojo/animal-sniffer-annotations/1.17/animal-sniffer-annotations-1.17-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/commons-io/commons-io/2.6/commons-io-2.6-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/javax/enterprise/cdi-api/1.0/cdi-api-1.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/eclipse/sisu/org.eclipse.sisu.inject/0.3.2/org.eclipse.sisu.inject-0.3.2-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/codehaus/plexus/plexus-component-annotations/1.5.5/plexus-component-annotations-1.5.5-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/javax/annotation/jsr250-api/1.0/jsr250-api-1.0-sources.jar",
        "file:///home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/javax/inject/javax.inject/1/javax.inject-1-sources.jar",
        "file:///opt/src.zip"
      ]
    }
  ]
}


[Trace - 10:29:44 vorm.] Received request 'buildTarget/scalaMainClasses - (7)'
Params: {
  "targets": [
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
    }
  ]
}


[Trace - 10:29:44 vorm.] Received request 'buildTarget/scalaTestClasses - (8)'
Params: {
  "targets": [
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
    }
  ]
}


[Trace - 10:29:44 vorm.] Sending response 'buildTarget/scalaTestClasses - (8)'. Processing request took 183ms
Result: {
  "items": [
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
      },
      "classes": [
        "example.HelloSuite"
      ],
      "framework": "munit"
    },
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
      },
      "classes": []
    },
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
      },
      "classes": []
    }
  ]
}


[Trace - 10:29:45 vorm.] Sending response 'buildTarget/scalaMainClasses - (7)'. Processing request took 299ms
Result: {
  "items": [
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
      },
      "classes": []
    },
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
      },
      "classes": []
    },
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
      },
      "classes": [
        {
          "class": "example.Hello",
          "arguments": [],
          "jvmOptions": [],
          "environmentVariables": [
          ...
          ]
        }
      ]
    }
  ]
}


[Trace - 10:30:10 vorm.] Received request 'buildTarget/cleanCache - (9)'
Params: {
  "targets": [
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
    }
  ]
}


[Trace - 10:30:10 vorm.] Sending notification 'build/taskProgress'
Params: {
  "taskId": {
    "id": "1673734966"
  },
  "eventTime": 1660293010798,
  "message": "[1/1] mill.bsp.BSP.startSession \u003e [1/1] mill.bsp.MillBuildServer.$anon.clean ",
  "total": 1,
  "progress": 1,
  "unit": "mill.bsp.BSP.startSession"
}


[Trace - 10:30:10 vorm.] Sending notification 'build/showMessage'
Params: {
  "type": 4,
  "message": "Cleaning 3 paths ..."
}


[Trace - 10:30:10 vorm.] Sending notification 'build/taskProgress'
Params: {
  "taskId": {
    "id": "1458012743"
  },
  "eventTime": 1660293010845,
  "message": "[1/1] mill.bsp.BSP.startSession \u003e [1/1] mill.bsp.MillBuildServer.$anon.clean ",
  "total": 1,
  "progress": 1,
  "unit": "mill.bsp.BSP.startSession"
}


[Trace - 10:30:10 vorm.] Sending notification 'build/showMessage'
Params: {
  "type": 4,
  "message": "Cleaning 3 paths ..."
}


[Trace - 10:30:10 vorm.] Sending response 'buildTarget/cleanCache - (9)'. Processing request took 66ms
Result: {
  "message": "Some(MillMinimal.test) cleaned \nSome(MillMinimal) cleaned \n",
  "cleaned": true
}


[Trace - 10:30:10 vorm.] Received request 'buildTarget/compile - (10)'
Params: {
  "targets": [
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
    }
  ]
}


[Trace - 10:30:10 vorm.] Sending notification 'build/taskProgress'
Params: {
  "taskId": {
    "id": "373776608"
  },
  "eventTime": 1660293010874,
  "message": "[1/1] mill.bsp.BSP.startSession \u003e [4/109] mill.scalalib.ZincWorkerModule.zincLogDebug ",
  "total": 1,
  "progress": 1,
  "unit": "mill.bsp.BSP.startSession"
}


[Trace - 10:30:10 vorm.] Sending notification 'build/taskProgress'
Params: {
  "taskId": {
    "id": "373776608"
  },
  "eventTime": 1660293010877,
  "message": "[1/1] mill.bsp.BSP.startSession \u003e [7/109] MillMinimal.sources ",
  "total": 1,
  "progress": 1,
  "unit": "mill.bsp.BSP.startSession"
}


[Trace - 10:30:10 vorm.] Sending notification 'build/taskProgress'
Params: {
  "taskId": {
    "id": "373776608"
  },
  "eventTime": 1660293010880,
  "message": "[1/1] mill.bsp.BSP.startSession \u003e [12/109] MillMinimal.resources ",
  "total": 1,
  "progress": 1,
  "unit": "mill.bsp.BSP.startSession"
}


[Trace - 10:30:10 vorm.] Sending notification 'build/taskProgress'
Params: {
  "taskId": {
    "id": "373776608"
  },
  "eventTime": 1660293010895,
  "message": "[1/1] mill.bsp.BSP.startSession \u003e [33/109] MillMinimal.compile ",
  "total": 1,
  "progress": 1,
  "unit": "mill.bsp.BSP.startSession"
}


[Trace - 10:30:10 vorm.] Sending notification 'build/taskStart'
Params: {
  "taskId": {
    "id": "1882206690"
  },
  "eventTime": 1660293010904,
  "message": "Compiling target MillMinimal",
  "dataKind": "compile-task",
  "data": {
    "target": {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
    }
  }
}


[Trace - 10:30:12 vorm.] Sending notification 'build/publishDiagnostics'
Params: {
  "textDocument": {
    "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/src/example/Hello.scala"
  },
  "buildTarget": {
    "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
  },
  "diagnostics": [],
  "reset": true
}


[Trace - 10:30:13 vorm.] Sending notification 'build/taskFinish'
Params: {
  "taskId": {
    "id": "1882206690"
  },
  "eventTime": 1660293013393,
  "message": "Compiled MillMinimal",
  "status": 1,
  "dataKind": "compile-report",
  "data": {
    "target": {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
    },
    "errors": 0,
    "warnings": 0
  }
}


[Trace - 10:30:13 vorm.] Sending notification 'build/taskProgress'
Params: {
  "taskId": {
    "id": "373776608"
  },
  "eventTime": 1660293013464,
  "message": "[1/1] mill.bsp.BSP.startSession \u003e [35/109] MillMinimal.test.sources ",
  "total": 1,
  "progress": 1,
  "unit": "mill.bsp.BSP.startSession"
}


[Trace - 10:30:13 vorm.] Sending notification 'build/taskProgress'
Params: {
  "taskId": {
    "id": "373776608"
  },
  "eventTime": 1660293013467,
  "message": "[1/1] mill.bsp.BSP.startSession \u003e [41/109] MillMinimal.test.resources ",
  "total": 1,
  "progress": 1,
  "unit": "mill.bsp.BSP.startSession"
}


[Trace - 10:30:13 vorm.] Sending notification 'build/taskProgress'
Params: {
  "taskId": {
    "id": "373776608"
  },
  "eventTime": 1660293013472,
  "message": "[1/1] mill.bsp.BSP.startSession \u003e [57/109] MillMinimal.test.compile ",
  "total": 1,
  "progress": 1,
  "unit": "mill.bsp.BSP.startSession"
}


[Trace - 10:30:13 vorm.] Sending notification 'build/taskStart'
Params: {
  "taskId": {
    "id": "2132245745"
  },
  "eventTime": 1660293013473,
  "message": "Compiling target MillMinimal.test",
  "dataKind": "compile-task",
  "data": {
    "target": {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
    }
  }
}


[Trace - 10:30:13 vorm.] Sending notification 'build/publishDiagnostics'
Params: {
  "textDocument": {
    "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test/src/example/HelloSuite.scala"
  },
  "buildTarget": {
    "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
  },
  "diagnostics": [],
  "reset": true
}


[Trace - 10:30:14 vorm.] Sending notification 'build/taskFinish'
Params: {
  "taskId": {
    "id": "2132245745"
  },
  "eventTime": 1660293014179,
  "message": "Compiled MillMinimal.test",
  "status": 1,
  "dataKind": "compile-report",
  "data": {
    "target": {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
    },
    "errors": 0,
    "warnings": 0
  }
}


[Trace - 10:30:14 vorm.] Sending notification 'build/taskProgress'
Params: {
  "taskId": {
    "id": "373776608"
  },
  "eventTime": 1660293014192,
  "message": "[1/1] mill.bsp.BSP.startSession \u003e [59/109] MillMinimal.test.semanticDbVersion ",
  "total": 1,
  "progress": 1,
  "unit": "mill.bsp.BSP.startSession"
}


[Trace - 10:30:14 vorm.] Sending notification 'build/taskProgress'
Params: {
  "taskId": {
    "id": "373776608"
  },
  "eventTime": 1660293014198,
  "message": "[1/1] mill.bsp.BSP.startSession \u003e [76/109] mill.bsp.MillBuildServer.mill-build.semanticDbVersion ",
  "total": 1,
  "progress": 1,
  "unit": "mill.bsp.BSP.startSession"
}


[Trace - 10:30:14 vorm.] Sending notification 'build/taskProgress'
Params: {
  "taskId": {
    "id": "373776608"
  },
  "eventTime": 1660293014201,
  "message": "[1/1] mill.bsp.BSP.startSession \u003e [81/109] mill.bsp.MillBuildServer.mill-build.sources ",
  "total": 1,
  "progress": 1,
  "unit": "mill.bsp.BSP.startSession"
}


[Trace - 10:30:14 vorm.] Sending notification 'build/taskProgress'
Params: {
  "taskId": {
    "id": "373776608"
  },
  "eventTime": 1660293014205,
  "message": "[1/1] mill.bsp.BSP.startSession \u003e [84/109] mill.bsp.MillBuildServer.mill-build.resources ",
  "total": 1,
  "progress": 1,
  "unit": "mill.bsp.BSP.startSession"
}


[Trace - 10:30:14 vorm.] Sending notification 'build/taskProgress'
Params: {
  "taskId": {
    "id": "373776608"
  },
  "eventTime": 1660293014216,
  "message": "[1/1] mill.bsp.BSP.startSession \u003e [100/109] mill.bsp.MillBuildServer.mill-build.semanticDbData ",
  "total": 1,
  "progress": 1,
  "unit": "mill.bsp.BSP.startSession"
}


[Trace - 10:30:14 vorm.] Sending notification 'build/showMessage'
Params: {
  "type": 4,
  "message": "effective scalac options: List(-Xplugin:/home/lefou/.cache/coursier/v1/https/repo1.maven.org/maven2/org/scalameta/semanticdb-scalac_2.13.8/4.5.11/semanticdb-scalac_2.13.8-4.5.11.jar, -Yrangepos, -P:semanticdb:sourceroot:/home/lefou/work/tmp/mill-minimal, -Ystop-after:semanticdb-typer)"
}


[Trace - 10:30:14 vorm.] Sending notification 'build/taskStart'
Params: {
  "taskId": {
    "id": "1585866214"
  },
  "eventTime": 1660293014219,
  "message": "Compiling target mill-build",
  "dataKind": "compile-task",
  "data": {
    "target": {
      "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
    }
  }
}


[Trace - 10:30:14 vorm.] Sending notification 'build/publishDiagnostics'
Params: {
  "textDocument": {
    "uri": "file:///home/lefou/work/tmp/mill-minimal/build.sc"
  },
  "buildTarget": {
    "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
  },
  "diagnostics": [],
  "reset": true
}


[Trace - 10:30:14 vorm.] Sending notification 'build/publishDiagnostics'
Params: {
  "textDocument": {
    "uri": "file:/home/lefou/work/tmp/mill-minimal/build.sc"
  },
  "buildTarget": {
    "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
  },
  "diagnostics": [
    {
      "range": {
        "start": {
          "line": 3,
          "character": 27
        },
        "end": {
          "line": 3,
          "character": 27
        }
      },
      "severity": 1,
      "code": "object MillMinimal extends ScalaModule {",
      "source": "mill",
      "message": "Modules, Targets and Commands can only be defined within a mill Module"
    }
  ],
  "reset": true
}


[Trace - 10:30:14 vorm.] Sending notification 'build/taskFinish'
Params: {
  "taskId": {
    "id": "1585866214"
  },
  "eventTime": 1660293014875,
  "message": "Compiled mill-build",
  "status": 2,
  "dataKind": "compile-report",
  "data": {
    "target": {
      "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
    },
    "errors": 1,
    "warnings": 0
  }
}


[Trace - 10:30:14 vorm.] Sending response 'buildTarget/compile - (10)'. Processing request took 4018ms
Result: {
  "statusCode": 2
}


[Trace - 10:30:14 vorm.] Received request 'buildTarget/scalaMainClasses - (11)'
Params: {
  "targets": [
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
    }
  ]
}


[Trace - 10:30:14 vorm.] Received request 'buildTarget/scalaTestClasses - (12)'
Params: {
  "targets": [
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
    },
    {
      "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
    }
  ]
}


[Trace - 10:30:14 vorm.] Sending response 'buildTarget/scalaMainClasses - (11)'. Processing request took 64ms
Result: {
  "items": [
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
      },
      "classes": []
    },
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
      },
      "classes": []
    },
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
      },
      "classes": [
        {
          "class": "example.Hello",
          "arguments": [],
          "jvmOptions": [],
          "environmentVariables": [
          ...
          ]
        }
      ]
    }
  ]
}


[Trace - 10:30:14 vorm.] Sending response 'buildTarget/scalaTestClasses - (12)'. Processing request took 97ms
Result: {
  "items": [
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal/test?id\u003dMillMinimal.test"
      },
      "classes": [
        "example.HelloSuite"
      ],
      "framework": "munit"
    },
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal?id\u003dmill-build"
      },
      "classes": []
    },
    {
      "target": {
        "uri": "file:///home/lefou/work/tmp/mill-minimal/MillMinimal?id\u003dMillMinimal"
      },
      "classes": []
    }
  ]
}

lefou · 2022-08-12T08:56:57Z

Also, this is what the new Metals Doctor displays:

Build server currently being used is mill-bsp v0.10.5-62-6ae288. (Reset)

Metals Java: 11.0.15 from Eclipse Adoptium located at /opt/openjdk-bin-11.0.15_p10

Metals Server version: 0.11.8

These are the installed build targets for this workspace. One build target corresponds to one classpath. For example, normally one sbt project maps to two build targets: main and test.

Build target Type Compilation status Diagnostics Interactive Semanticdb Debugging Java support Recommendation
Compilation status:

✅ - code is compiling
Diagnostics:

✅ - diagnostics correctly being reported by the build server
Interactive features (completions, hover):

✅ - supported Scala version
Semanticdb features (references, renames, go to implementation):

✅ - build tool automatically creating needed semanticdb files
Debugging (run/test, breakpoints, evaluation):

✅ - users can run or test their code with debugging capabilities
Java Support:

✅ - working non-interactive features (references, rename etc.)

lefou · 2022-08-12T09:27:56Z

I fixed the issue with failed compilation in mill-build. Looks like Metals is trying to compile it, even though we say it does not support compilation via BSP. (BspCompileTarget.canCompile=false)

lefou · 2022-08-12T09:46:55Z

Now I see, that the Metals Doctor is still the same, but it was simply not displaying the modules it already knows about. And the rendering doesn't make it obvious. With my latest change, I again see the status for each module.

lefou · 2022-08-12T09:54:31Z

Maybe Metals could use semanticDB files it finds in the classpath, and only, if there are none, it could inspect the scalacOptions as a hint, whether the user (or the tool) can improve something. Ideally, we could give some feedback while we finish the BSP initialization request. We already parse client specific data, e.g. the semanticDB version. But there is no way to send free data to the client, only a fixed set of hardcoded capabilities.

ckipp01 · 2022-08-12T10:25:54Z

Amazing, it's finding the SemanticDB and navigation is working :D

I fixed the issue with failed compilation in mill-build. Looks like Metals is trying to compile it, even though we say it does not support compilation via BSP. (BspCompileTarget.canCompile=false)

I'll double-check this on the Metals side.

Maybe Metals could use semanticDB files it finds in the classpath, and only, if there are none, it could inspect the scalacOptions as a hint, whether the user (or the tool) can improve something.

Yea I'll need to play around with this. We can try to detect it in another way probably instead of only looking in the scalacOptions.

lefou · 2022-08-12T10:32:00Z

@ckipp01 Thanks for testing. Can you say anything about the perceived performance?

And `bspCompileClassAndSemanticDbFiles` to `bspCompiledClassesAndSemanticDbFiles`.

lefou · 2022-08-18T09:09:57Z

Any review would be nice. @ckipp01, @lolgab

This reverts commit 3328d99.

lefou · 2022-08-18T14:01:51Z

@ckipp01 Is there already some ticket in Metals that list or tracks the changes needed to support this new way of providing SemanticDB data in Mill?

ckipp01 · 2022-08-18T15:34:33Z

@ckipp01 Is there already some ticket in Metals that list or tracks the changes needed to support this new way of providing SemanticDB data in Mill?

Not yet. I'll probably first have time this weekend to really dig into this, figure out exactly what would be needed, and then I'll create a ticket outlining it.

lefou · 2022-08-18T15:46:48Z

In case someone is interested in my experiments to also support Java modules, I pushed them to branch https://github.com/com-lihaoyi/mill/tree/semantic-db-task-java

lefou · 2022-08-22T08:38:23Z

I updated the documentation and deprecated the experimental ScalaMetalsSupport trait. I plan to merge this now, unless there are any concerns.

lefou · 2022-08-23T07:11:02Z

Alternative way of detecting SemanticDB scalameta/metals#4290

lefou · 2022-09-03T08:52:48Z

See also feat: better mill-bsp semanticdb support scalameta/metals#4295

lefou closed this Jul 29, 2022

lefou reopened this Jul 29, 2022

lefou mentioned this pull request Jul 29, 2022

Better Metals support - Automatic SemanticDB enablement (RFC) #1546

Closed

lefou force-pushed the semantic-db-task branch from eca1623 to 7702744 Compare August 10, 2022 15:20

ckipp01 mentioned this pull request Aug 12, 2022

Don't attempt to compile targets that have canCompile set to false scalameta/metals#4254

Closed

lefou marked this pull request as ready for review August 12, 2022 12:02

lefou changed the title ~~SemanticDB BSP experiments~~ SemanticDB support to be used by BSP (and others) Aug 12, 2022

lefou added 5 commits August 12, 2022 14:43

SemanticDB experiments WIP

fdfe962

In BSP, merge semanticDB files with classes files

b214e44

Refined log statement

bbc3843

Ensure mill-build does not fail for semanticDbData target

21ad7aa

Cleanup

a784b9b

lefou force-pushed the semantic-db-task branch from 5f8fb71 to a784b9b Compare August 12, 2022 12:44

lefou added 3 commits August 15, 2022 11:26

Renamed SemanticDbScalaModule to SemanticDbJavaModule

cc03392

And `bspCompileClassAndSemanticDbFiles` to `bspCompiledClassesAndSemanticDbFiles`.

Forward --debug option to BSP server

3328d99

Use semanticDB version requested by BSP client

bd8e57b

lefou added 2 commits August 18, 2022 12:04

Cleanup

ff510b0

Revert "Forward --debug option to BSP server"

8c31b41

This reverts commit 3328d99.

lefou force-pushed the semantic-db-task branch from c1f3121 to 8c31b41 Compare August 18, 2022 10:05

Updated documentation and deprecated ScalaMetalsSupport.

32ff060

lefou linked an issue Aug 22, 2022 that may be closed by this pull request

Better Metals support - Automatic SemanticDB enablement (RFC) #1546

Closed

lefou merged commit 6204569 into com-lihaoyi:main Aug 22, 2022

lefou deleted the semantic-db-task branch August 22, 2022 15:01

lefou added this to the 0.10.6 milestone Aug 22, 2022

lefou mentioned this pull request Aug 24, 2022

BSP: use build/logMessage for logging #2006

Merged

ckipp01 mentioned this pull request Jan 2, 2023

Produce semanticDB for Java #2226

Closed

lefou mentioned this pull request Jan 7, 2024

Feed to whole classpath to scalafix and fix ExplicitResultTypes joan38/mill-scalafix#172

Merged

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