-
Notifications
You must be signed in to change notification settings - Fork 247
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
c066895
commit 0fc810b
Showing
3 changed files
with
213 additions
and
46 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,154 @@ | ||
| import mainargs.{ParserForMethods, main} | ||
|
|
||
| sealed abstract class Trait(val name: String) | ||
|
|
||
| object Trivial extends Trait("TrivialIR") | ||
| object BaseRef extends Trait("BaseRef") | ||
|
|
||
| case class NChildren(static: Int = 0, dynamic: String = "") { | ||
| def +(other: NChildren): NChildren = NChildren( | ||
| static = static + other.static, | ||
| dynamic = if (dynamic.isEmpty) other.dynamic else s"$dynamic + ${other.dynamic}", | ||
| ) | ||
| } | ||
|
|
||
| sealed abstract class AttOrChild { | ||
| val name: String | ||
| def generateDeclaration: String | ||
| def constraints: Seq[String] = Seq.empty | ||
| def nChildren: NChildren = NChildren() | ||
| } | ||
|
|
||
| final case class Att(name: String, typ: String, isVar: Boolean = false) extends AttOrChild { | ||
| override def generateDeclaration: String = s"${if (isVar) "var " else ""}$name: $typ" | ||
| } | ||
|
|
||
| final case class Child(name: String) extends AttOrChild { | ||
| override def generateDeclaration: String = s"$name: IR" | ||
| override def nChildren: NChildren = NChildren(static = 1) | ||
| } | ||
|
|
||
| final case class ChildPlus(name: String) extends AttOrChild { | ||
| override def generateDeclaration: String = s"$name: IndexedSeq[IR]" | ||
| override def constraints: Seq[String] = Seq(s"$name.nonEmpty") | ||
| override def nChildren: NChildren = NChildren(dynamic = "name.size") | ||
| } | ||
|
|
||
| final case class ChildStar(name: String) extends AttOrChild { | ||
| override def generateDeclaration: String = s"$name: IndexedSeq[IR]" | ||
| override def nChildren: NChildren = NChildren(dynamic = "name.size") | ||
| } | ||
|
|
||
| case class IR( | ||
| name: String, | ||
| attsAndChildren: Seq[AttOrChild], | ||
| traits: Seq[Trait] = Seq.empty, | ||
| extraMethods: Seq[String] = Seq.empty, | ||
| applyMethods: Seq[String] = Seq.empty, | ||
| docstring: String = "", | ||
| ) { | ||
| def withTraits(newTraits: Trait*): IR = copy(traits = traits ++ newTraits) | ||
| def withMethod(methodDef: String): IR = copy(extraMethods = extraMethods :+ methodDef) | ||
| def withApply(methodDef: String): IR = copy(applyMethods = applyMethods :+ methodDef) | ||
| def withDocstring(docstring: String): IR = copy(docstring = docstring) | ||
|
|
||
| private def nChildren: NChildren = attsAndChildren.foldLeft(NChildren())(_ + _.nChildren) | ||
|
|
||
| private def children: String = { | ||
| val tmp = attsAndChildren.flatMap { | ||
| case _: Att => None | ||
| case c: Child => Some(s"FastSeq(${c.name})") | ||
| case cs: ChildPlus => Some(cs.name) | ||
| case cs: ChildStar => Some(cs.name) | ||
| } | ||
| if (tmp.isEmpty) "FastSeq.empty" else tmp.mkString(" ++ ") | ||
| } | ||
|
|
||
| private def paramList = s"$name(${attsAndChildren.map(_.generateDeclaration).mkString(", ")})" | ||
|
|
||
| private def classDecl = | ||
| s"final case class $paramList extends IR" + traits.map(" with " + _.name).mkString | ||
|
|
||
| private def classBody = { | ||
| val extraMethods = | ||
| this.extraMethods :+ s"override lazy val childrenSeq: IndexedSeq[IR] = $children" | ||
| val constraints = attsAndChildren.flatMap(_.constraints) | ||
| if (constraints.nonEmpty || extraMethods.nonEmpty) { | ||
| ( | ||
| " {" + | ||
| (if (constraints.nonEmpty) | ||
| constraints.map(c => s" require($c)").mkString("\n", "\n", "\n") | ||
| else "") | ||
| + ( | ||
| if (extraMethods.nonEmpty) | ||
| extraMethods.map(" " + _).mkString("\n", "\n", "\n") | ||
| else "" | ||
| ) | ||
| + "}" | ||
| ) | ||
| } else "" | ||
| } | ||
|
|
||
| private def classDef = | ||
| (if (docstring.nonEmpty) s"\n// $docstring\n" else "") + classDecl + classBody | ||
|
|
||
| private def companionBody = applyMethods.map(" " + _).mkString("\n") | ||
|
|
||
| private def companionDef = | ||
| if (companionBody.isEmpty) "" else s"object $name {\n$companionBody\n}\n" | ||
|
|
||
| def generateDef: String = companionDef + classDef + "\n" | ||
| } | ||
|
|
||
| object Main { | ||
| def node(name: String, attsAndChildren: AttOrChild*): IR = IR(name, attsAndChildren) | ||
|
|
||
| def allNodes: Seq[IR] = { | ||
| val r = Seq.newBuilder[IR] | ||
|
|
||
| r += node("I32", Att("x", "Int")).withTraits(Trivial) | ||
| r += node("I64", Att("x", "Long")).withTraits(Trivial) | ||
| r += node("F32", Att("x", "Float")).withTraits(Trivial) | ||
| r += node("F64", Att("x", "Double")).withTraits(Trivial) | ||
| r += node("Str", Att("x", "String")).withTraits(Trivial) | ||
| .withMethod( | ||
| "override def toString(): String = s\"\"\"Str(\"${StringEscapeUtils.escapeString(x)}\")\"\"\"" | ||
| ) | ||
| r += node("True").withTraits(Trivial) | ||
| r += node("False").withTraits(Trivial) | ||
| r += node("Void").withTraits(Trivial) | ||
| r += node("NA", Att("_typ", "Type")).withTraits(Trivial) | ||
| r += node("UUID4", Att("id", "String")) | ||
| .withDocstring( | ||
| "WARNING! This node can only be used when trying to append a one-off, " | ||
| + "random string that will not be reused elsewhere in the pipeline. " | ||
| + "Any other uses will need to write and then read again; this node is non-deterministic " | ||
| + "and will not e.g. exhibit the correct semantics when self-joining on streams." | ||
| ) | ||
| .withApply("def apply(): UUID4 = UUID4(genUID())") | ||
| r += node("Cast", Child("v"), Att("_typ", "Type")) | ||
| r += node("CastRename", Child("v"), Att("_typ", "Type")) | ||
| r += node("IsNA", Child("value")) | ||
| r += node("Coalesce", ChildPlus("values")) | ||
| r += node("Consume", Child("value")) | ||
| r += node("If", Child("cond"), Child("cnsq"), Child("altr")) | ||
| r += node("Switch", Child("x"), Child("default"), ChildStar("cases")) | ||
| .withMethod("override lazy val size: Int = 2 + cases.length") | ||
| r += IR("Ref", Seq(Att("name", "Name"), Att("_typ", "Type", isVar = true))) | ||
| .withTraits(BaseRef) | ||
|
|
||
| r.result() | ||
| } | ||
|
|
||
| @main | ||
| def main(path: String) = { | ||
| val pack = "package is.hail.expr.ir" | ||
| val imports = Seq("is.hail.types.virtual.Type", "is.hail.utils.{FastSeq, StringEscapeUtils}") | ||
| val gen = pack + "\n\n" + imports.map(i => s"import $i").mkString("\n") + "\n\n" + allNodes.map( | ||
| _.generateDef | ||
| ).mkString("\n") | ||
| os.write(os.Path(path) / "IR_gen.scala", gen) | ||
| } | ||
|
|
||
| def main(args: Array[String]): Unit = ParserForMethods(this).runOrExit(args) | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters