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Submodule silver
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| package debugger | ||
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| import fastparse._ | ||
| import viper.silver.ast | ||
| import viper.silver.ast.{AnnotationInfo, ConsInfo, DebugLabelledOld, Exp, Info, LocalVarWithVersion, Node, SourcePNodeInfo} | ||
| import viper.silver.parser.{FastParser, PDebugLabelledOld, PExp, PProgram, PVersionedIdnUse, Translator} | ||
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| import scala.collection.mutable | ||
| class DebugParser extends FastParser { | ||
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| def versionedIdentifier[$: P]: P[Unit] = CharIn("A-Z", "a-z", "$_") ~~ CharIn("0-9", "A-Z", "a-z", "$_").repX ~~ CharIn("@") ~~ CharIn("0-9") ~~ CharIn("0-9").repX | ||
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| def versionedIdent[$: P]: P[String] = versionedIdentifier.!.opaque("versionedIdentifier") | ||
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| def versionedidnuse[$: P]: P[PVersionedIdnUse] = FP(versionedIdent).map { case (pos, id) => | ||
| val parts = id.split("@") | ||
| PVersionedIdnUse(name = parts(0), version = parts(1))(pos) | ||
| } | ||
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| def debugOldLabel[$: P]: P[String] = (StringIn("line") ~~ CharIn("@") ~~ CharIn("0-9", "A-Z", "a-z", "$_.").repX).!.opaque("debugOldLabel") | ||
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| def debugOldLabelUse[$: P]: P[PVersionedIdnUse] = FP(debugOldLabel).map { case (pos, id) => | ||
| val parts = id.split("@") | ||
| PVersionedIdnUse(name = parts(0), version = parts(1))(pos) | ||
| } | ||
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| def debugOld[$: P]: P[PExp] = P(StringIn("old") ~ FP("[" ~ debugOldLabelUse ~ "](" ~ exp ~ ")").map { | ||
| case (pos, (a, b)) => PDebugLabelledOld(a, b)(pos) | ||
| }) | ||
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| override def atom(implicit ctx: P[_]): P[PExp] = // TODO ake: | ||
| P(ParserExtension.newExpAtStart(ctx) | versionedidnuse | ||
| | debugOld | ||
| | annotatedAtom | ||
| | integer | booltrue | boolfalse | nul | old | ||
| | result | unExp | typedFuncApp | ||
| | "(" ~ exp ~ ")" | accessPred | inhaleExhale | perm | let | quant | forperm | unfolding | applying | ||
| | setTypedEmpty | explicitSetNonEmpty | multiSetTypedEmpty | explicitMultisetNonEmpty | seqTypedEmpty | ||
| | size | explicitSeqNonEmpty | seqRange | ||
| | mapTypedEmpty | explicitMapNonEmpty | mapDomain | mapRange | ||
| | newExp | funcApp | idnuse | ParserExtension.newExpAtEnd(ctx)) | ||
| } | ||
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| class DebugTranslator(p: PProgram, override val members: mutable.Map[String, Node]) extends Translator(p) { | ||
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| override protected def expInternal(pexp: PExp, pos: PExp, info: Info): Exp = { | ||
| pexp match { | ||
| case pviu@PVersionedIdnUse(_, _, _) => | ||
| pexp.typ match { | ||
| case null => sys.error("should not occur in type-checked program") | ||
| case _ => LocalVarWithVersion(pviu.versionedName, ttyp(pexp.typ))(pos, info) | ||
| } | ||
| case PDebugLabelledOld(lbl, e) => | ||
| DebugLabelledOld(exp(e), lbl.versionedName)(pos, info) | ||
| case _ => super.expInternal(pexp, pos, info) | ||
| } | ||
| } | ||
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| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,14 +1,37 @@ | ||
| package debugger | ||
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| import viper.silver.parser.{NameAnalyser, PProgram, Resolver, TypeChecker} | ||
| import viper.silver.FastMessaging | ||
| import viper.silver.parser.{NameAnalyser, PAnyVarDecl, PExp, PProgram, PType, PVersionedIdnUse, Resolver, TypeChecker} | ||
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| import scala.reflect.ClassTag | ||
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| class DebugResolver(override val p: PProgram) extends Resolver(p){ | ||
| override val typechecker: TypeChecker = new DebugTypeChecker(names) | ||
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| class DebugResolver(override val p: PProgram, names: NameAnalyser) extends Resolver(p){ | ||
| override val typechecker: DebugTypeChecker = new DebugTypeChecker(names) | ||
| } | ||
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| class DebugTypeChecker(override val names: NameAnalyser) extends TypeChecker(names) { | ||
| var debugVariableTypes: Map[String, PType] = Map.empty | ||
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| override def checkInternal(exp: PExp): Unit = { | ||
| exp match { | ||
| case pviu: PVersionedIdnUse => | ||
| acceptAndCheckTypedEntityWithVersion[PAnyVarDecl, Nothing](Seq(pviu), "expected variable identifier with version") | ||
| case _ => super.checkInternal(exp) | ||
| } | ||
| } | ||
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| def acceptAndCheckTypedEntityWithVersion[T1: ClassTag, T2: ClassTag] | ||
| (idnUses: Seq[PVersionedIdnUse], errorMessage: => String): Unit = { | ||
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| idnUses.foreach { use => | ||
| val decl1 = debugVariableTypes.get(use.versionedName) | ||
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| decl1 match { | ||
| case Some(value) => use.typ = value | ||
| case None => messages ++= FastMessaging.message(use, errorMessage) | ||
| } | ||
| } | ||
| } | ||
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| } |
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