[cover] update rvdecoderdb test cases and bump it to scala3

build.sc

@@ -299,10 +299,11 @@ trait PanamaModule extends JavaModule {
 
 object rvdecoderdb extends RVDecoderDB
 
-trait RVDecoderDB extends common.RVDecoderDBJVMModule with ScalaModule {
-  def scalaVersion            = T(v.scala)
-  def osLibIvy                = v.oslib
-  def upickleIvy              = v.upickle
+trait RVDecoderDB extends common.RVDecoderDBJVMModule with ScalaModule with ScalafmtModule {
+  def scalaVersion = T(v.scala)
+  def osLibIvy     = v.oslib
+  def upickleIvy   = v.upickle
+
   override def millSourcePath = os.pwd / "rvdecoderdb" / "rvdecoderdb"
 }
 

cover/tests/src/CoverTest.scala

@@ -3,15 +3,16 @@
 
 package cover.tests
 
-import rvdecoderdb.*
+import org.chipsalliance.rvdecoderdb
 import utest.*
+import os.*
 
 object RVDecoderDBTest extends TestSuite:
   val tests = Tests:
-    test("RVDecoderDB should decode correctly") {
-      val decoder = new RVDecoderDB()
-      val instruction = 0x00000013 // NOP instruction in RISC-V
-      val decoded = decoder.decode(instruction)
-      assert(decoded.mnemonic == "NOP")
+    test("rvdecoderdb works") {
+      val instTable: Iterable[rvdecoderdb.Instruction] = rvdecoderdb.instructions(os.pwd / "rvdecoderdb" / "rvdecoderdbtest" / "jvm" / "riscv-opcodes")
+      instTable.foreach { case inst: rvdecoderdb.Instruction =>
+        println(inst.toString)
+      }
     }
 

nix/zaozi/cover.nix

@@ -28,6 +28,7 @@ let
           ./../../circtlib
           ./../../mlirlib
           ./../../cover
+          ./../../rvdecoder
         ];
       };
 

rvdecoderdb/rvdecoderdb/src/parser/parse.scala

@@ -53,7 +53,7 @@ object parse {
     val pseudoEncodingMap = collection.mutable.HashMap.empty[(String, String), org.chipsalliance.rvdecoderdb.Encoding]
 
     // create normal instructions
-    rawInstructionSets.foreach { set: RawInstructionSet =>
+    rawInstructionSets.foreach { case set: RawInstructionSet =>
       set.rawInstructions.foreach {
         case rawInst: RawInstruction if rawInst.isNormal =>
           require(
@@ -77,7 +77,7 @@ object parse {
     }
 
     // imported_instructions - these are instructions which are borrowed from an extension into a new/different extension/sub-extension. Only regular instructions can be imported. Pseudo-op or already imported instructions cannot be imported.
-    rawInstructionSets.foreach { set: RawInstructionSet =>
+    rawInstructionSets.foreach { case set: RawInstructionSet =>
       set.rawInstructions.foreach {
         case rawInst: RawInstruction if rawInst.importInstructionSet.isDefined =>
           instructionSetsMap.filter(_._2.head == rawInst.importInstructionSet.get).map {