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author | Adriaan Moors <adriaan.moors@typesafe.com> | 2014-12-18 10:11:41 -0800 |
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committer | Adriaan Moors <adriaan.moors@typesafe.com> | 2014-12-18 10:11:41 -0800 |
commit | 1b67ced47a12b9bf85537c43f7bdf008d00e7663 (patch) | |
tree | 2718bf9da91419c6ffe253bc458afd103ce4041b /test/files/pos/t8999.scala | |
parent | ecc63690f11c0c72bff62c79277761b0a04f259c (diff) | |
parent | 578c3b188a4a3588e11ad9624e3922a706a36229 (diff) | |
download | scala-1b67ced47a12b9bf85537c43f7bdf008d00e7663.tar.gz scala-1b67ced47a12b9bf85537c43f7bdf008d00e7663.tar.bz2 scala-1b67ced47a12b9bf85537c43f7bdf008d00e7663.zip |
Merge pull request #4199 from adriaanm/rebase-4193
SI-8999 Reduce memory usage in exhaustivity check
Diffstat (limited to 'test/files/pos/t8999.scala')
-rw-r--r-- | test/files/pos/t8999.scala | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/test/files/pos/t8999.scala b/test/files/pos/t8999.scala new file mode 100644 index 0000000000..99c4b2ad84 --- /dev/null +++ b/test/files/pos/t8999.scala @@ -0,0 +1,271 @@ +object Types { + + abstract sealed class Type + + case object AnyType extends Type + + case object NothingType extends Type + + case object UndefType extends Type + + case object BooleanType extends Type + + case object IntType extends Type + + case object LongType extends Type + + case object FloatType extends Type + + case object DoubleType extends Type + + case object StringType extends Type + + case object NullType extends Type + + sealed abstract class ReferenceType extends Type + + final case class ClassType(className: String) extends ReferenceType + + final case class ArrayType(baseClassName: String, dimensions: Int) extends ReferenceType + + final case class RecordType(fields: List[RecordType.Field]) extends Type + + object RecordType { + final case class Field(name: String, originalName: Option[String], + tpe: Type, mutable: Boolean) + } + + case object NoType extends Type + +} + + +sealed abstract class ClassKind + +object ClassKind { + + case object Class extends ClassKind + + case object ModuleClass extends ClassKind + + case object Interface extends ClassKind + + case object RawJSType extends ClassKind + + case object HijackedClass extends ClassKind + + case object TraitImpl extends ClassKind + +} + +object Trees { + + import Types._ + + abstract sealed class Tree + + case object EmptyTree extends Tree + + sealed trait PropertyName + case class Ident(name: String, originalName: Option[String]) extends PropertyName + object Ident { + def apply(name: String): Ident = + new Ident(name, Some(name)) + } + + case class VarDef(name: Ident, vtpe: Type, mutable: Boolean, rhs: Tree) extends Tree + + case class ParamDef(name: Ident, ptpe: Type, mutable: Boolean) extends Tree + + case class Skip() extends Tree + + class Block private(val stats: List[Tree]) extends Tree + + object Block { + def unapply(block: Block): Some[List[Tree]] = Some(block.stats) + } + + case class Labeled(label: Ident, tpe: Type, body: Tree) extends Tree + + case class Assign(lhs: Tree, rhs: Tree) extends Tree + + case class Return(expr: Tree, label: Option[Ident] = None) extends Tree + + case class If(cond: Tree, thenp: Tree, elsep: Tree) extends Tree + + case class While(cond: Tree, body: Tree, label: Option[Ident] = None) extends Tree + + case class DoWhile(body: Tree, cond: Tree, label: Option[Ident] = None) extends Tree + + case class Try(block: Tree, errVar: Ident, handler: Tree, finalizer: Tree) extends Tree + + case class Throw(expr: Tree) extends Tree + + case class Continue(label: Option[Ident] = None) extends Tree + + case class Match(selector: Tree, cases: List[(List[Literal], Tree)], default: Tree) extends Tree + + case class Debugger() extends Tree + + case class New(cls: ClassType, ctor: Ident, args: List[Tree]) extends Tree + + case class LoadModule(cls: ClassType) extends Tree + + case class StoreModule(cls: ClassType, value: Tree) extends Tree + + case class Select(qualifier: Tree, item: Ident, mutable: Boolean) extends Tree + + case class Apply(receiver: Tree, method: Ident, args: List[Tree]) extends Tree + + case class StaticApply(receiver: Tree, cls: ClassType, method: Ident, args: List[Tree]) extends Tree + + case class TraitImplApply(impl: ClassType, method: Ident, args: List[Tree]) extends Tree + + case class UnaryOp(op: Int, lhs: Tree) extends Tree + + case class BinaryOp(op: Int, lhs: Tree, rhs: Tree) extends Tree + + case class NewArray(tpe: ArrayType, lengths: List[Tree]) extends Tree + + case class ArrayValue(tpe: ArrayType, elems: List[Tree]) extends Tree + + case class ArrayLength(array: Tree) extends Tree + + case class ArraySelect(array: Tree, index: Tree) extends Tree + + case class RecordValue(tpe: RecordType, elems: List[Tree]) extends Tree + + case class IsInstanceOf(expr: Tree, cls: ReferenceType) extends Tree + + case class AsInstanceOf(expr: Tree, cls: ReferenceType) extends Tree + + case class Unbox(expr: Tree, charCode: Char) extends Tree + + case class GetClass(expr: Tree) extends Tree + + case class CallHelper(helper: String, args: List[Tree]) extends Tree + + case class JSNew(ctor: Tree, args: List[Tree]) extends Tree + + case class JSDotSelect(qualifier: Tree, item: Ident) extends Tree + + case class JSBracketSelect(qualifier: Tree, item: Tree) extends Tree + + case class JSFunctionApply(fun: Tree, args: List[Tree]) extends Tree + + case class JSDotMethodApply(receiver: Tree, method: Ident, args: List[Tree]) extends Tree + + case class JSBracketMethodApply(receiver: Tree, method: Tree, args: List[Tree]) extends Tree + + case class JSDelete(prop: Tree) extends Tree + + case class JSUnaryOp(op: String, lhs: Tree) extends Tree + + case class JSBinaryOp(op: String, lhs: Tree, rhs: Tree) extends Tree + + case class JSArrayConstr(items: List[Tree]) extends Tree + + case class JSObjectConstr(fields: List[(PropertyName, Tree)]) extends Tree + + case class JSEnvInfo() extends Tree + + sealed trait Literal extends Tree + + case class Undefined() extends Literal + + case class UndefinedParam() extends Literal + + case class Null() extends Literal + + case class BooleanLiteral(value: Boolean) extends Literal + + case class IntLiteral(value: Int) extends Literal + + case class LongLiteral(value: Long) extends Literal + + case class FloatLiteral(value: Float) extends Literal + + case class DoubleLiteral(value: Double) extends Literal + + case class StringLiteral(value: String) extends Literal with PropertyName + + case class ClassOf(cls: ReferenceType) extends Literal + + case class VarRef(ident: Ident, mutable: Boolean) extends Tree + + case class This() extends Tree + + case class Closure(captureParams: List[ParamDef], params: List[ParamDef], + body: Tree, captureValues: List[Tree]) extends Tree + + case class ClassDef(name: Ident, kind: ClassKind, parent: Option[Ident], ancestors: List[Ident], defs: List[Tree]) extends Tree + + case class MethodDef(name: PropertyName, args: List[ParamDef], resultType: Type, body: Tree) extends Tree + + case class PropertyDef(name: PropertyName, getterBody: Tree, setterArg: ParamDef, setterBody: Tree) extends Tree + + case class ConstructorExportDef(name: String, args: List[ParamDef], body: Tree) extends Tree + + case class ModuleExportDef(fullName: String) extends Tree + + final class TreeHash(val treeHash: Array[Byte], val posHash: Array[Byte]) +} + +object Main { + import Trees._ + import Types._ + + private def transform(tree: Tree) = { + val ObjectClass = "O" + tree match { + case VarDef(_, _, _, rhs) => + case tree: Block => + case Labeled(ident@Ident(label, _), tpe, body) => + case Assign(lhs, rhs) => + case Return(expr, optLabel) => + case If(cond, thenp, elsep) => + case While(cond, body, optLabel) => + case DoWhile(body, cond, None) => + case Try(block, errVar, EmptyTree, finalizer) => + case Try(block, errVar@Ident(name, originalName), handler, finalizer) => + case Throw(expr) => + case Continue(optLabel) => + case Match(selector, cases, default) => + case New(cls, ctor, args) => + case StoreModule(cls, value) => + case tree: Select => + case tree: Apply => + case tree: StaticApply => + case tree: TraitImplApply => + case tree@UnaryOp(_, arg) => + case tree@BinaryOp(op, lhs, rhs) => + case NewArray(tpe, lengths) => + case ArrayValue(tpe, elems) => + case ArrayLength(array) => + case ArraySelect(array, index) => + case RecordValue(tpe, elems) => + case IsInstanceOf(expr, ClassType(ObjectClass)) => + case IsInstanceOf(expr, tpe) => + case AsInstanceOf(expr, ClassType(ObjectClass)) => + case AsInstanceOf(expr, cls) => + case Unbox(arg, charCode) => + case GetClass(expr) => + case JSNew(ctor, args) => + case JSDotSelect(qualifier, item) => + case JSBracketSelect(qualifier, item) => + case tree: JSFunctionApply => + case JSDotMethodApply(receiver, method, args) => + case JSBracketMethodApply(receiver, method, args) => + case JSDelete(JSDotSelect(obj, prop)) => + case JSDelete(JSBracketSelect(obj, prop)) => + case JSUnaryOp(op, lhs) => + case JSBinaryOp(op, lhs, rhs) => + case JSArrayConstr(items) => + case JSObjectConstr(fields) => + case _: VarRef | _: This => + case Closure(captureParams, params, body, captureValues) => + case _: Skip | _: Debugger | _: LoadModule | + _: JSEnvInfo | _: Literal | EmptyTree => + } + } +}
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