BundleConstructor.scala 18.5 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12
package uvm.ir.irbuilder

import uvm._
import uvm.ssavariables._
import uvm.types._
import uvm.utils.Later
import uvm.utils.Later._
import uvm.ir.irbuilder.IRBuilderNode._
import scala.collection.mutable.ArrayBuffer

/** This class converts the soup of ID-referenced nodes into the refimpl's internal AST. */
class BundleConstructor(idNameMap: Map[MuID, MuName], nodeList: Seq[IRBuilderNode], globalBundle: GlobalBundle) {
13

14 15
  val idNodeMap = nodeList.map(n => (n.id, n)).toMap

Kunshan Wang's avatar
Kunshan Wang committed
16 17 18 19 20 21 22
  def findNode[T <: IRBuilderNode](id: MuID): T = {
    idNodeMap.getOrElse(id, {
      val maybeName = idNameMap.get(id)
      throw new NodeIDNotFoundException(id, maybeName)
    }).asInstanceOf[T]
  }

23 24 25 26 27 28 29 30 31 32 33
  val bundle = new TrantientBundle()

  def setIDAndMaybeName[T <: IdentifiedSettable](obj: T, id: MuID): T = {
    obj.id = id
    obj.name = idNameMap.get(id)
    obj
  }

  def cascadeLookup[T <: Identified](id: MuID, ns1: Namespace[T], ns2: Namespace[T]): T = {
    ns1.get(id).getOrElse {
      ns2.get(id).getOrElse {
Kunshan Wang's avatar
Kunshan Wang committed
34 35
        val maybeName = idNameMap.get(id)
        throw new UnknownIDException(id, maybeName)
36 37 38 39 40
      }
    }
  }

  implicit def resTy(id: MuID): Type = cascadeLookup(id, bundle.typeNs, globalBundle.typeNs)
41
  implicit def resTys(ids: Seq[MuID]): Seq[Type] = ids.map(resTy)
42 43 44

  implicit def resSig(id: MuID): FuncSig = cascadeLookup(id, bundle.funcSigNs, globalBundle.funcSigNs)

45 46
  // used by InstSwitch
  def resConst(id: MuID): Constant = cascadeLookup(id, bundle.constantNs, globalBundle.constantNs)
47

48 49
  // These auto-resolution may conflict with the resVar method when building instructions. Explicitly enable them in methods.
  def resGlobalVar(id: MuID): GlobalVariable = cascadeLookup(id, bundle.globalVarNs, globalBundle.globalVarNs)
50

51
  def resFunc(id: MuID): Function = cascadeLookup(id, bundle.funcNs, globalBundle.funcNs)
52

53
  def resConstInt(id: MuID): ConstInt = resGlobalVar(id) match {
54 55 56 57
    case ci: ConstInt => ci
    case other        => throw new AssertionError("Constant int expected, but %d found. ID: %d".format(other.getClass.getName, id))
  }

58 59 60 61
  def needType[E <: Type](id: MuID, expectedType: Class[E], n: String): E = {
    val t = resTy(id)
    if (!(expectedType.isAssignableFrom(t.getClass))) {
      throw new IRBuilderException("Type id:%d name:%s does not match expected type. Expected %s, actually %s.".format(
Kunshan Wang's avatar
Kunshan Wang committed
62
        id, idNameMap.getOrElse(id, "(no name)"), n, t))
63 64 65 66 67 68 69 70 71 72 73 74
    }
    t.asInstanceOf[E]
  }

  def needInt(id: MuID) = needType(id, classOf[TypeInt], "int")
  def needStruct(id: MuID) = needType(id, classOf[TypeStruct], "struct")
  def needAbsStruct(id: MuID) = needType(id, classOf[AbstractStructType], "struct or hybrid")
  def needArray(id: MuID) = needType(id, classOf[TypeArray], "array")
  def needVector(id: MuID) = needType(id, classOf[TypeVector], "vector")
  def needHybrid(id: MuID) = needType(id, classOf[TypeHybrid], "hybrid")
  def needSeq(id: MuID) = needType(id, classOf[AbstractSeqType], "array or vector")

75
  def makeBundle(): TrantientBundle = {
76 77 78
    // Enable auto resolution in this global scope
    @inline implicit def _resGlobalVar = resGlobalVar _
    @inline implicit def _resFunc = resFunc _
79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184

    // Classify nodes into categories for phasing.
    val typeNodes = new ArrayBuffer[IRTypeNode]
    val sigNodes = new ArrayBuffer[IRSigNode]
    val constNodes = new ArrayBuffer[IRConstNode]
    val otherTopLevelNodes = new ArrayBuffer[OtherTopLevelNode]
    val funcVers = new ArrayBuffer[NodeFuncVer]()
    val otherNodes = new ArrayBuffer[IRBuilderNode]

    nodeList foreach {
      case n: IRTypeNode        => typeNodes += n
      case n: IRSigNode         => sigNodes += n
      case n: IRConstNode       => constNodes += n
      case n: OtherTopLevelNode => otherTopLevelNodes += n
      case n: NodeFuncVer       => funcVers += n
      case n                    => otherNodes += n
    }

    // Phase 1: create types and sigs, and resolve their refs

    val phase1 = new Later()

    typeNodes foreach { irNode =>
      val muNode: Type = irNode match {
        case NodeTypeInt(id, len)      => new TypeInt(len)
        case NodeTypeFloat(id)         => new TypeFloat()
        case NodeTypeDouble(id)        => new TypeDouble()
        case NodeTypeUPtr(id, ty)      => new TypeUPtr(null).later(phase1) { t => t.ty = ty }
        case NodeTypeUFuncPtr(id, sig) => new TypeUFuncPtr(null).later(phase1) { t => t.sig = sig }

        case NodeTypeStruct(id, fieldTys) => new TypeStruct(null).later(phase1) { t =>
          t.fieldTys = fieldTys.map(resTy)
        }
        case NodeTypeHybrid(id, fixedTys, varTy) => new TypeHybrid(null, null).later(phase1) { t =>
          t.fieldTys = fixedTys.map(resTy)
          t.varTy = varTy
        }
        case NodeTypeArray(id, elemTy, len) => new TypeArray(null, len).later(phase1) { t =>
          t.elemTy = elemTy
        }
        case NodeTypeVector(id, elemTy, len) => new TypeVector(null, len).later(phase1) { t =>
          t.elemTy = elemTy
        }
        case NodeTypeVoid(id)           => new TypeVoid()

        case NodeTypeRef(id, ty)        => new TypeRef(null).later(phase1) { t => t.ty = ty }
        case NodeTypeIRef(id, ty)       => new TypeIRef(null).later(phase1) { t => t.ty = ty }
        case NodeTypeWeakRef(id, ty)    => new TypeWeakRef(null).later(phase1) { t => t.ty = ty }
        case NodeTypeFuncRef(id, sig)   => new TypeFuncRef(null).later(phase1) { t => t.sig = sig }

        case NodeTypeTagRef64(id)       => new TypeTagRef64()
        case NodeTypeThreadRef(id)      => new TypeThreadRef()
        case NodeTypeStackRef(id)       => new TypeStackRef()
        case NodeTypeFrameCursorRef(id) => new TypeFrameCursorRef()
        case NodeTypeIRBuilderRef(id)   => new TypeIRBuilderRef()
      }
      setIDAndMaybeName(muNode, irNode.id)
      bundle.typeNs.add(muNode)
    }

    sigNodes foreach { irNode =>
      val NodeFuncSig(id, paramTys, retTys) = irNode
      val muNode: FuncSig = new FuncSig(null, null).later(phase1) { sig =>
        sig.paramTys = paramTys.map(resTy)
        sig.retTys = retTys.map(resTy)
      }
      setIDAndMaybeName(muNode, irNode.id)
      bundle.funcSigNs.add(muNode)
    }

    phase1.doAll()

    // Now, all types and sigs are created and their references are resolved.

    // Phase 2: create and resolve consts, global cells, funcs, expfuncs and resolve their refs.

    val phase2 = new Later()

    constNodes foreach { irNode =>
      val muNode: Constant = irNode match {
        case NodeConstInt(id, ty, value)     => new ConstInt(ty, value)
        case NodeConstFloat(id, ty, value)   => new ConstFloat(ty, value)
        case NodeConstDouble(id, ty, value)  => new ConstDouble(ty, value)
        case NodeConstNull(id, ty)           => new ConstNull(ty)
        case NodeConstExtern(id, ty, symbol) => new ConstExtern(ty, symbol)
        case NodeConstSeq(id, ty, elems) => new ConstSeq(ty, null).later(phase2) { c =>
          c.elems = elems.map(resGlobalVar)
        }
      }
      setIDAndMaybeName(muNode, irNode.id)
      bundle.constantNs.add(muNode)
    }

    otherTopLevelNodes foreach {
      case NodeGlobalCell(id: MuID, ty: MuTypeNode) => {
        val muNode = new GlobalCell(ty)
        setIDAndMaybeName(muNode, id)
        bundle.globalCellNs.add(muNode)
      }
      case NodeFunc(id: MuID, sig: MuFuncSigNode) => {
        val muNode = new Function()
        muNode.sig = sig
        setIDAndMaybeName(muNode, id)
        bundle.funcNs.add(muNode)
      }
      case NodeExpFunc(id: MuID, func: MuFuncNode, callconv: Flag, cookie: MuConstIntNode) => {
185
        val muNode = new ExposedFunc(func, callconv, resConstInt(cookie))
186 187 188 189
        setIDAndMaybeName(muNode, id)
        bundle.expFuncNs.add(muNode)
      }
    }
190

191
    phase2.doAll()
192

193
    // Now all top-level definitions are created and their inter-references are resolved
194

195 196
    // Phase 3: Define all defined functions (.funcdef)
    val phase3 = new Later()
197

198 199 200 201
    funcVers foreach { irNode =>
      val muNode = new FuncVer(irNode.func)
      setIDAndMaybeName(muNode, irNode.id)
      bundle.funcVerNs.add(muNode)
202 203

      phase3 { () =>
204 205 206
        defineFunction(irNode, muNode)
      }
    }
207

208 209 210 211
    phase3.doAll()

    bundle
  }
212 213

  def defineFunction(irNode: NodeFuncVer, muFuncVer: FuncVer): Unit = {
Kunshan Wang's avatar
Kunshan Wang committed
214 215
    muFuncVer.bbs = new ArrayBuffer()
    muFuncVer.bbNs = bundle.allNs.makeSubSpace("basic block")
216
    val irBBmuBBs = irNode.bbs.map { bbID =>
Kunshan Wang's avatar
Kunshan Wang committed
217
      val irBB = findNode[NodeBB](bbID)
218 219 220 221 222 223 224 225
      val muBB = new BasicBlock(muFuncVer)
      setIDAndMaybeName(muBB, bbID)
      muFuncVer.bbs += muBB
      muFuncVer.bbNs.add(muBB)
      (irBB, muBB)
    }

    for ((irBB, muBB) <- irBBmuBBs) {
Kunshan Wang's avatar
Kunshan Wang committed
226 227 228 229 230
      muBB.norParams = new ArrayBuffer()
      muBB.excParam = None
      muBB.insts = new ArrayBuffer()
      muBB.localVarNs = bundle.allNs.makeSubSpace("local variable")
      muBB.localInstNs = bundle.allNs.makeSubSpace("instruction")
231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246
      for ((norParamID, norParamTyID) <- irBB.norParamIDs zip irBB.norParamTys) {
        val muType = resTy(norParamTyID)
        val muNorParam = NorParam(muType)
        setIDAndMaybeName(muNorParam, norParamID)
        muBB.norParams += muNorParam
        muBB.localVarNs.add(muNorParam)
      }

      for (excParamID <- irBB.excParamID) {
        val muExcParam = ExcParam()
        setIDAndMaybeName(muExcParam, excParamID)
        muBB.excParam = Some(muExcParam)
        muBB.localVarNs.add(muExcParam)
      }

      for (instID <- irBB.insts) {
Kunshan Wang's avatar
Kunshan Wang committed
247
        val irInst = findNode[IRInstNode](instID)
248 249 250 251 252 253
        val muInst = defineInst(muFuncVer, muBB, irInst)
        setIDAndMaybeName(muInst, instID)
        muBB.insts += muInst
        muBB.localInstNs.add(muInst)
      }
    }
254
  }
255 256 257 258 259 260 261 262 263 264 265 266 267

  def defineInst(muFuncVer: FuncVer, muBB: BasicBlock, irInst: IRInstNode): Instruction = try {
    import BundleConstructorImplicitMagics._

    implicit val self = this
    implicit val bbNs = muFuncVer.bbNs
    implicit val localVarNs = muBB.localVarNs

    implicit def resVar(id: MuVarNode): SSAVariable = {
      localVarNs.get(id).getOrElse {
        cascadeLookup(id, bundle.globalVarNs, globalBundle.globalVarNs)
      }
    }
Kunshan Wang's avatar
Kunshan Wang committed
268

269 270 271 272 273 274 275
    implicit def resVars(ids: Seq[MuVarNode]): Seq[SSAVariable] = {
      ids.map(resVar)
    }

    // used by keepalives
    def resLocalVar(id: MuVarNode): LocalVariable = {
      localVarNs.get(id).getOrElse {
Kunshan Wang's avatar
Kunshan Wang committed
276 277 278
        val vars = localVarNs.all.map("  " + _.repr).mkString("\n")
        throw new IRBuilderException("Local variable id:%d name:%s not found.\nFYI: Current local variables are:\n%s".format(
          id, idNameMap.getOrElse(id, "(no name)"), vars))
279 280 281 282 283 284 285 286 287 288
      }
    }

    @inline
    implicit def resBB(id: MuBBNode): BasicBlock = {
      bbNs(id)
    }

    @inline
    implicit def resDestClause(id: MuDestClause): DestClause = {
Kunshan Wang's avatar
Kunshan Wang committed
289
      val NodeDestClause(_, dest, vars) = findNode[NodeDestClause](id)
290 291 292 293 294
      DestClause(dest, vars.map(resVar))
    }

    @inline
    implicit def resExcClause(maybeID: Option[MuExcClause]): Option[ExcClause] = maybeID map { id =>
Kunshan Wang's avatar
Kunshan Wang committed
295
      val irExcClause = findNode[NodeExcClause](id)
296 297 298 299 300
      ExcClause(irExcClause.nor, irExcClause.exc)
    }

    @inline
    implicit def resKeepalives(maybeID: Option[MuKeepaliveClause]): Seq[LocalVariable] = maybeID map { id =>
Kunshan Wang's avatar
Kunshan Wang committed
301
      val irKeepaliveClause = findNode[NodeKeepaliveClause](id)
302
      irKeepaliveClause.vars.map(resLocalVar)
Kunshan Wang's avatar
Kunshan Wang committed
303
    } getOrElse (Seq())
304 305 306

    @inline
    implicit def resCurStackClause(id: MuCurStackClause): CurStackAction = {
Kunshan Wang's avatar
Kunshan Wang committed
307
      val irCurStackClause = findNode[IRCurStackClauseNode](id)
308 309
      irCurStackClause match {
        case NodeCscRetWith(_, tys) => RetWith(tys)
Kunshan Wang's avatar
Kunshan Wang committed
310
        case NodeCscKillOld(_)      => KillOld()
311 312
      }
    }
Kunshan Wang's avatar
Kunshan Wang committed
313

314 315
    @inline
    implicit def resNewStackClause(id: MuNewStackClause): NewStackAction = {
Kunshan Wang's avatar
Kunshan Wang committed
316
      val irNewStackClause = findNode[IRNewStackClauseNode](id)
317 318
      irNewStackClause match {
        case NodeNscPassValues(_, tys, vars) => PassValues(tys, vars)
Kunshan Wang's avatar
Kunshan Wang committed
319
        case NodeNscThrowExc(_, exc)         => ThrowExc(exc)
320 321 322 323 324
      }
    }

    val muInst: Instruction = irInst match {
      case NodeBinOp(id, resultID, optr, ty, opnd1, opnd2, excClause) =>
325
        InstBinOp(optr, ty, opnd1, opnd2, null) --> resultID EXC excClause
326 327 328 329 330 331 332 333 334 335 336 337 338 339
      case NodeCmp(id, resultID, optr, ty, opnd1, opnd2) =>
        InstCmp(optr, ty, opnd1, opnd2) --> resultID
      case NodeConv(id, resultID, optr, fromTy, toTy, opnd) =>
        InstConv(optr, fromTy, toTy, opnd) --> resultID
      case NodeSelect(id, resultID, condTy, opndTy, cond, ifTrue, ifFalse) =>
        InstSelect(condTy, opndTy, cond, ifTrue, ifFalse) --> resultID
      case NodeBranch(id, dest) =>
        InstBranch(dest)
      case NodeBranch2(id, cond, ifTrue, ifFalse) =>
        InstBranch2(cond, ifTrue, ifFalse)
      case NodeSwitch(id, opndTy, opnd, defaultDest, cases, dests) => {
        val caseDests = for ((c, d) <- cases zip dests) yield {
          (resConst(c), resDestClause(d))
        }
Kunshan Wang's avatar
Kunshan Wang committed
340
        InstSwitch(opndTy, opnd, defaultDest, ArrayBuffer(caseDests: _*))
341 342
      }
      case NodeCall(id, resultIDs, sig, callee, args, excClause, keepaliveClause) =>
343
        InstCall(sig, callee, args, null, keepaliveClause) --> resultIDs EXC excClause
344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360
      case NodeTailCall(id, sig, callee, args) =>
        InstTailCall(sig, callee, args)
      case NodeRet(id, rvs) =>
        InstRet(muFuncVer, rvs)
      case NodeThrow(id, exc) =>
        InstThrow(exc)
      case NodeExtractValue(id, resultID, strty, index, opnd) =>
        InstExtractValue(needStruct(strty), index, opnd) --> resultID
      case NodeInsertValue(id, resultID, strty, index, opnd, newval) =>
        InstInsertValue(needStruct(strty), index, opnd, newval) --> resultID
      case NodeExtractElement(id, resultID, seqty, indty, opnd, index) =>
        InstExtractElement(needSeq(seqty), needInt(indty), opnd, index) --> resultID
      case NodeInsertElement(id, resultID, seqty, indty, opnd, index, newval) =>
        InstInsertElement(needSeq(seqty), needInt(indty), opnd, index, newval) --> resultID
      case NodeShuffleVector(id, resultID, vecty, maskty, vec1, vec2, mask) =>
        InstShuffleVector(needVector(vecty), needVector(maskty), vec1, vec2, mask) --> resultID
      case NodeNew(id, resultID, allocty, excClause) =>
361
        InstNew(allocty, null) --> resultID EXC excClause
362
      case NodeNewHybrid(id, resultID, allocty, lenty, length, excClause) =>
363
        InstNewHybrid(needHybrid(allocty), needInt(lenty), length, null) --> resultID EXC excClause
364
      case NodeAlloca(id, resultID, allocty, excClause) =>
365
        InstAlloca(allocty, null) --> resultID EXC excClause
366
      case NodeAllocaHybrid(id, resultID, allocty, lenty, length, excClause) =>
367
        InstAllocaHybrid(needHybrid(allocty), needInt(lenty), length, null) --> resultID EXC excClause
368 369 370
      case NodeGetIRef(id, resultID, refty, opnd) =>
        InstGetIRef(refty, opnd) --> resultID
      case NodeGetFieldIRef(id, resultID, isPtr, refty, index, opnd) =>
Kunshan Wang's avatar
Kunshan Wang committed
371
        InstGetFieldIRef(isPtr, needAbsStruct(refty), index, opnd) --> resultID
372 373 374 375 376 377 378
      case NodeGetElemIRef(id, resultID, isPtr, refty, indty, opnd, index) =>
        InstGetElemIRef(isPtr, needSeq(refty), needInt(indty), opnd, index) --> resultID
      case NodeShiftIRef(id, resultID, isPtr, refty, offty, opnd, offset) =>
        InstShiftIRef(isPtr, refty, needInt(offty), opnd, offset) --> resultID
      case NodeGetVarPartIRef(id, resultID, isPtr, refty, opnd) =>
        InstGetVarPartIRef(isPtr, needHybrid(refty), opnd) --> resultID
      case NodeLoad(id, resultID, isPtr, ord, refty, loc, excClause) =>
379
        InstLoad(isPtr, ord, refty, loc, null) --> resultID EXC excClause
380
      case NodeStore(id, isPtr, ord, refty, loc, newval, excClause) =>
381
        InstStore(isPtr, ord, refty, loc, newval, null) EXC excClause
382
      case NodeCmpXchg(id, valueResultID, succResultID, isPtr, isWeak, ordSucc, ordFail, refty, loc, expected, desired, excClause) =>
383
        InstCmpXchg(isPtr, isWeak, ordSucc, ordFail, refty, loc, expected, desired, null) --> (valueResultID, succResultID) EXC excClause
384
      case NodeAtomicRMW(id, resultID, isPtr, ord, optr, refTy, loc, opnd, excClause) =>
385
        InstAtomicRMW(isPtr, ord, optr, refTy, loc, opnd, null) --> resultID EXC excClause
386 387 388
      case NodeFence(id, ord) =>
        InstFence(ord)
      case NodeTrap(id, resultIDs, rettys, excClause, keepaliveClause) =>
389
        InstTrap(rettys, null, keepaliveClause) --> resultIDs EXC excClause
390 391 392 393 394
      case NodeWatchPoint(id, wpid, resultIDs, rettys, dis, ena, exc, keepaliveClause) =>
        InstWatchPoint(wpid, rettys, dis, ena, exc.map(resDestClause), keepaliveClause) --> resultIDs
      case NodeWPBranch(id, wpid, dis, ena) =>
        InstWPBranch(wpid, dis, ena)
      case NodeCCall(id, resultIDs, callconv, calleeTy, sig, callee, args, excClause, keepaliveClause) =>
395
        InstCCall(callconv, calleeTy, sig, callee, args, null, keepaliveClause) --> resultIDs EXC excClause
396
      case NodeNewThread(id, resultID, stack, threadlocal, newStackClause, excClause) =>
397
        InstNewThread(stack, threadlocal.map(resVar), newStackClause, null) --> resultID EXC excClause
398
      case NodeSwapStack(id, resultIDs, swappee, curStackClause, newStackClause, excClause, keepaliveClause) =>
399
        InstSwapStack(swappee, curStackClause, newStackClause, null, keepaliveClause) --> resultIDs EXC excClause
400
      case NodeCommInst(id, resultIDs, opcode, flags, tys, sigs, args, excClause, keepaliveClause) =>
401
        InstCommInst(opcode, flags, tys, sigs.map(resSig), args, null, keepaliveClause) --> resultIDs EXC excClause
402
    }
Kunshan Wang's avatar
Kunshan Wang committed
403
    muInst.bb = muBB
404 405 406 407
    muInst
  } catch {
    case e: Exception => {
      throw new IRBuilderException("Exception thrown when building instruction. Func: %s, ver: %s, bb: %s, inst: %d:%s".format(
Kunshan Wang's avatar
Kunshan Wang committed
408
        muFuncVer.func.repr, muFuncVer.repr, muBB.repr, irInst.id, idNameMap.getOrElse(irInst.id, "(no name)")), e)
409 410 411 412 413 414 415 416
    }
  }
}

private object BundleConstructorImplicitMagics {
  implicit class AddResultsSeq[T <: Instruction](val inst: T) extends AnyVal {
    @inline
    def -->(resultIDs: Seq[MuID])(implicit self: BundleConstructor, localVarNs: Namespace[LocalVariable]): T = {
Kunshan Wang's avatar
Kunshan Wang committed
417
      inst --> (resultIDs: _*)
418 419 420 421 422 423 424 425 426 427 428 429 430 431 432
    }
  }
  implicit class AddResultsVarArg[T <: Instruction](val inst: T) extends AnyVal {
    @inline
    def -->(resultIDs: MuID*)(implicit self: BundleConstructor, localVarNs: Namespace[LocalVariable]): T = {
      val instResults = for ((resultID, i) <- resultIDs.zipWithIndex) yield {
        val instRes = InstResult(inst, i)
        self.setIDAndMaybeName(instRes, resultID)
        localVarNs.add(instRes)
        instRes
      }
      inst.results = instResults.toIndexedSeq
      inst
    }
  }
433 434 435 436 437 438 439
  implicit class AddExcClause[T <: HasExcClause](val inst: T) extends AnyVal {
    @inline
    def EXC(excClause: Option[MuID])(implicit resExcClause: Option[MuID] => Option[ExcClause]): T = {
      inst.excClause = resExcClause(excClause)
      inst
    }
  }
440
}