removed warnings.. (hello guys)
git-svn-id: http://lampsvn.epfl.ch/svn-repos/scala/scala/trunk@12323 5e8d7ff9-d8ef-0310-90f0-a4852d11357a
This commit is contained in:
michelou
parent
227fef124f
commit
4fb2e7a620
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@ -58,7 +58,7 @@ abstract class DocDriver extends ModelFrames with ModelToXML {
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for (p <- allClasses; d <- p._2) {
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symbols += d.sym
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for (pp <- d.sym.tpe.parents) subClasses(pp.symbol) += d
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for (pp <- d.sym.tpe.parents) subClasses(pp.typeSymbol) += d
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}
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additions0.init
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copyResources
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@ -220,39 +220,45 @@ abstract class DocDriver extends ModelFrames with ModelToXML {
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}
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return false;
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}
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def aref(href: String, label: String)(implicit frame: Frame) =
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frame.aref(href, "_self", label)
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protected def anchor(entity: Symbol)(implicit frame: Frame): NodeSeq =
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<a name={Text(frame.docName(entity))}></a>
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object symbols extends jcl.LinkedHashSet[Symbol];
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object allClasses extends jcl.LinkedHashMap[Package,jcl.LinkedHashSet[ClassOrObject]] {
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override def default(pkg : Package) : jcl.LinkedHashSet[ClassOrObject] = {
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object ret extends jcl.LinkedHashSet[ClassOrObject];
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this(pkg) = ret; ret;
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object symbols extends jcl.LinkedHashSet[Symbol]
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object allClasses extends jcl.LinkedHashMap[Package, jcl.LinkedHashSet[ClassOrObject]] {
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override def default(pkg: Package): jcl.LinkedHashSet[ClassOrObject] = {
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object ret extends jcl.LinkedHashSet[ClassOrObject]
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this(pkg) = ret
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ret
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}
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}
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object subClasses extends jcl.LinkedHashMap[Symbol,jcl.LinkedHashSet[ClassOrObject]] {
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override def default(key : Symbol) = {
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val ret = new jcl.LinkedHashSet[ClassOrObject];
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this(key) = ret; ret;
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object subClasses extends jcl.LinkedHashMap[Symbol, jcl.LinkedHashSet[ClassOrObject]] {
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override def default(key: Symbol) = {
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val ret = new jcl.LinkedHashSet[ClassOrObject]
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this(key) = ret
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ret
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}
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}
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override def rootFor(sym : Symbol) : String = {
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assert(sym != NoSymbol);
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if (sym.toplevelClass == NoSymbol) return super.rootFor(sym);
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if (symbols.contains(sym.toplevelClass)) return super.rootFor(sym);
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val clazz = sym.toplevelClass.asInstanceOf[ClassSymbol];
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override def rootFor(sym: Symbol): String = {
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assert(sym != NoSymbol)
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if (sym.toplevelClass == NoSymbol) return super.rootFor(sym)
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if (symbols.contains(sym.toplevelClass)) return super.rootFor(sym)
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val clazz = sym.toplevelClass.asInstanceOf[ClassSymbol]
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import scala.tools.nsc.io._;
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clazz.classFile match {
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case file : ZipArchive#FileEntry =>
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val key = keyFor(file.archive);
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val key = keyFor(file.archive)
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if (key != null && roots.contains(key)) {
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return roots(key) + '/';
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return roots(key) + '/'
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}
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case _ => ;
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case _ =>
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}
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return super.rootFor(sym);
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super.rootFor(sym)
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}
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}
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@ -19,7 +19,7 @@ trait ModelExtractor {
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val global: Global
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import global._
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def assert(b : Boolean) {
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def assert(b: Boolean) {
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if (!b)
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throw new Error;
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}
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@ -108,7 +108,7 @@ trait ModelExtractor {
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sym.privateWithin.nameString;
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else null;
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});
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def f(flag : Int, str : String) =
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def f(flag: Int, str: String) =
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if (sym.hasFlag(flag)) string = string + " " + str;
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f(Flags.IMPLICIT, "implicit");
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@ -120,22 +120,21 @@ trait ModelExtractor {
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if (!sym.isTrait) f(Flags.DEFERRED, "abstract");
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string.trim;
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}
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def listName = name;
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def name = sym.nameString;
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def fullName(sep : Char) = sym.fullNameString(sep);
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def kind : String;
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def header = {
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}
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def typeParams : List[TypeParam] = Nil
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def listName = name
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def name = sym.nameString
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def fullName(sep: Char) = sym.fullNameString(sep)
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def kind: String
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def header { }
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def typeParams: List[TypeParam] = Nil
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def params: List[List[Param]] = Nil
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def resultType: Option[Type] = None
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def parents: Iterable[Type] = Nil
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def lo: Option[Type] = sym.info match {
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case TypeBounds(lo,hi) if decode(lo.symbol) != definitions.AllClass => Some(lo);
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case _ => None;
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case TypeBounds(lo,hi) if decode(lo.typeSymbol) != definitions.AllClass => Some(lo)
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case _ => None
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}
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def hi : Option[Type] = sym.info match {
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case TypeBounds(lo,hi) if decode(hi.symbol) != definitions.AnyClass => Some(hi)
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case TypeBounds(lo,hi) if decode(hi.typeSymbol) != definitions.AnyClass => Some(hi)
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case _ => None
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}
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def variance = {
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@ -154,7 +153,7 @@ trait ModelExtractor {
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}
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class ConstructorParam(sym: Symbol) extends Param(sym) {
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override protected def accessQualified(core : String, qual : String) = core match {
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override protected def accessQualified(core: String, qual: String) = core match {
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case "public" => "val"
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case "protected" => super.accessQualified(core,qual) + " val"
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case "private" if qual == "this" => ""
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@ -203,7 +202,7 @@ trait ModelExtractor {
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pA = pA.tail;
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pB = pB.tail;
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}
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return 0;
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0
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}
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trait ClassOrObject extends Entity {
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@ -218,7 +217,7 @@ trait ModelExtractor {
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sym.constrParamAccessors.foreach(arg => {
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val str = symtab.Flags.flagsToString(arg.flags);
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assert(arg.hasFlag(symtab.Flags.PRIVATE) && arg.hasFlag(symtab.Flags.LOCAL));
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val argName = arg.name.toString.trim;
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val argName = arg.name.toString.trim
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val actual = sym.tpe.decls.elements.find(e => {
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val eName = e.name.toString.trim;
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argName == eName && {
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@ -238,15 +237,14 @@ trait ModelExtractor {
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}
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});
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}
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def members0(f : Symbol => Boolean) = decls.projection.filterKeys(f).valueSet;
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def members(c : Category) : Iterable[Member] = members0(c.f);
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object inherited extends jcl.LinkedHashMap[Symbol,List[Member]]() {
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override def default(tpe : Symbol) = Nil;
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{
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def members0(f: Symbol => Boolean) = decls.projection.filterKeys(f).valueSet
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def members(c: Category): Iterable[Member] = members0(c.f)
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object inherited extends jcl.LinkedHashMap[Symbol, List[Member]]() {
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override def default(tpe: Symbol) = Nil
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for (m <- sym.tpe.members if !sym.tpe.decls.elements.contains(m) &&
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(Values.f(m) || Methods.f(m))) {
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val o = m.overridingSymbol(sym)
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if ((o == NoSymbol)) {
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if (o == NoSymbol) {
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val parent = decode(m.enclClass)
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val mo = Member(m)
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if (!mo.isEmpty) {
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@ -255,24 +253,24 @@ trait ModelExtractor {
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}
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}
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}
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}
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override def parents = freshParents;
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abstract class Member(sym : Symbol) extends Entity(sym) {
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private def overriding = sym.allOverriddenSymbols;
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override def parents = freshParents
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abstract class Member(sym: Symbol) extends Entity(sym) {
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private def overriding = sym.allOverriddenSymbols
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override def comment = super.comment match {
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case ret @ Some(comment) => ret;
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case ret @ Some(comment) =>
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ret
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case None =>
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val o = overriding.find(comments.contains);
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o.map(comments.apply);
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val o = overriding.find(comments.contains)
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o.map(comments.apply)
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}
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}
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abstract class ValDef(sym: Symbol) extends Member(sym) {
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override def resultType = Some(resultType0);
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override def resultType = Some(resultType0)
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protected def resultType0: Type
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override def overridden: Iterable[Symbol] = {
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var ret : jcl.LinkedHashSet[Symbol] = null;
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var ret: jcl.LinkedHashSet[Symbol] = null
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for (parent <- ClassOrObject.this.parents) {
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val sym0 = sym.overriddenSymbol(parent.symbol);
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val sym0 = sym.overriddenSymbol(parent.typeSymbol)
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if (sym0 != NoSymbol) {
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if (ret == null) ret = new jcl.LinkedHashSet[Symbol];
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ret += sym0;
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@ -37,27 +37,28 @@ trait ModelToXML extends ModelExtractor {
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if (definitions.isFunctionType(tpe)) {
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val (args,r) = tpe.normalize.typeArgs.splitAt(tpe.normalize.typeArgs.length - 1);
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args.mkXML("(", ", ", ")")(link) ++ Text(" => ") ++ link(r.head);
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} else if (tpe.symbol == definitions.RepeatedParamClass) {
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assert(tpe.typeArgs.length == 1);
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link(tpe.typeArgs(0)) ++ Text("*");
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} else if (tpe.symbol == definitions.ByNameParamClass) {
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assert(tpe.typeArgs.length == 1);
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Text("=> ") ++ link(tpe.typeArgs(0));
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} else if (tpe.symbol.name.toString.startsWith("Tuple") &&
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tpe.symbol.owner.name == nme.scala_.toTypeName) {
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tpe.typeArgs.mkXML("(", ", ", ")")(link);
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} else link(decode(tpe.symbol)) ++ tpe.typeArgs.surround("[", "]")(link);
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} else if (tpe.typeSymbol == definitions.RepeatedParamClass) {
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assert(tpe.typeArgs.length == 1)
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link(tpe.typeArgs(0)) ++ Text("*")
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} else if (tpe.typeSymbol == definitions.ByNameParamClass) {
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assert(tpe.typeArgs.length == 1)
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Text("=> ") ++ link(tpe.typeArgs(0))
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} else if (tpe.typeSymbol.name.toString.startsWith("Tuple") &&
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tpe.typeSymbol.owner.name == nme.scala_.toTypeName) {
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tpe.typeArgs.mkXML("(", ", ", ")")(link)
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} else
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link(decode(tpe.typeSymbol)) ++ tpe.typeArgs.surround("[", "]")(link)
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} else tpe match {
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case PolyType(tparams,result) =>
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link(result) ++ tparams.surround("[", "]")(link);
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link(result) ++ tparams.surround("[", "]")(link)
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case RefinedType(parents,_) =>
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val parents1 =
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if ((parents.length > 1) &&
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(parents.head.symbol eq definitions.ObjectClass)) parents.tail;
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(parents.head.typeSymbol eq definitions.ObjectClass)) parents.tail;
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else parents;
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parents1.mkXML(Text(""), <code> with </code>, Text(""))(link);
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case _ =>
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link(decode(tpe.symbol))
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link(decode(tpe.typeSymbol))
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}
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}
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@ -248,7 +249,7 @@ trait ModelToXML extends ModelExtractor {
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def attrFor(attr: AnnotationInfo): Node = {
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val buf = new StringBuilder
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val AnnotationInfo(tpe, args, nvPairs) = attr
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val name = link(decode(tpe.symbol))
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val name = link(decode(tpe.typeSymbol))
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if (!args.isEmpty)
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buf.append(args.mkString("(", ",", ")"))
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if (!nvPairs.isEmpty)
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@ -1,5 +1,5 @@
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/* NSC -- new Scala compiler
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* Copyright 2005-2006 LAMP/EPFL
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* Copyright 2005-2007 LAMP/EPFL
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* @author Burak Emir
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*/
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// $Id$
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@ -8,7 +8,10 @@ package scala.tools.nsc.matching
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import scala.tools.nsc.util.Position
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/** contains many helper methods that build trees...some of these currently unused, since were for regexp matching
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/** contains many helper methods that build trees...some of these currently
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* unused, since were for regexp matching.
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*
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* @author Burak Emir
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*/
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trait CodeFactory {
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self: transform.ExplicitOuter =>
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@ -79,32 +82,32 @@ trait CodeFactory {
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var i = condition.length - 1
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while (i >= 0) {
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result = If(condition(i), body(i), result)
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i = i - 1
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i -= 1
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}
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result
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}
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final def renamingBind(defaultv: Set[Symbol], scrut: Symbol, ndefault: Tree) = {
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if(!defaultv.isEmpty) {
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var dv:List[Symbol] = Nil
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var to:List[Symbol] = Nil
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if (!defaultv.isEmpty) {
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var dv: List[Symbol] = Nil
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var to: List[Symbol] = Nil
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val it = defaultv.elements; while(it.hasNext) {
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dv = it.next :: dv
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to = scrut :: to
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}
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val tss = new TreeSymSubstituter(dv, to)
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tss.traverse( ndefault )
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tss.traverse(ndefault)
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}
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}
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final def emptynessCheck(vsym: Symbol) = {
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if(vsym.tpe.symbol == definitions.SomeClass) // is Some[_]
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if (vsym.tpe.typeSymbol == definitions.SomeClass) // is Some[_]
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Literal(Constant(true))
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else // is Option[_]
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Not(Select(Ident(vsym), nme.isEmpty))
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}
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final def makeIf(cond:Tree, thenp:Tree, elsep:Tree) = cond match {
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final def makeIf(cond: Tree, thenp: Tree, elsep: Tree) = cond match {
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case Literal(Constant(true)) => thenp
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case Literal(Constant(false)) => elsep
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case _ => If(cond, thenp, elsep)
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@ -142,7 +145,7 @@ trait CodeFactory {
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}
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/** for tree of sequence type, returns tree that drops first i elements */
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final def seqDrop(sel:Tree, i: Int) = if(i == 0) sel else
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final def seqDrop(sel:Tree, i: Int) = if (i == 0) sel else
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Apply(Select(Select(sel, "toList"), "drop"),
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List(Literal(Constant(i))))
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@ -283,31 +286,34 @@ trait CodeFactory {
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var nsubstituted = 0
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var nstatic = 0
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final def squeezedBlock(vds:List[Tree], exp:Tree)(implicit theOwner: Symbol): Tree =
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if(settings_squeeze)
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final def squeezedBlock(vds: List[Tree], exp: Tree)(implicit theOwner: Symbol): Tree =
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if (settings_squeeze)
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squeezedBlock1(vds, exp)
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else
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Block(vds,exp)
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final def squeezedBlock1(vds:List[Tree], exp:Tree)(implicit theOwner: Symbol): Tree = {
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final def squeezedBlock1(vds: List[Tree], exp: Tree)(implicit theOwner: Symbol): Tree = {
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val tpe = exp.tpe
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class RefTraverser(sym:Symbol) extends Traverser {
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class RefTraverser(sym: Symbol) extends Traverser {
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var nref = 0
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var nsafeRef = 0
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override def traverse(tree: Tree) = tree match {
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case t:Ident if t.symbol == sym =>
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nref = nref + 1
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nref += 1
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if(sym.owner == currentOwner) { // oldOwner should match currentOwner
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nsafeRef = nsafeRef + 1
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nsafeRef += 1
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} /*else if(nref == 1) {
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Console.println("sym owner: "+sym.owner+" but currentOwner = "+currentOwner)
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}*/
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case t if nref > 1 => // abort, no story to tell
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case t if nref > 1 =>
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// abort, no story to tell
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case t =>
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super.traverse(t)
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}
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}
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case t => super . traverse (t)
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}
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}
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class Subst(sym:Symbol,rhs:Tree) extends Transformer {
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class Subst(sym: Symbol, rhs: Tree) extends Transformer {
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var stop = false
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override def transform(tree: Tree) = tree match {
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case t:Ident if t.symbol == sym =>
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@ -316,12 +322,12 @@ trait CodeFactory {
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case t if stop =>
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t
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case t =>
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super . transform (t)
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super.transform(t)
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}
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}
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vds match {
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case Nil => exp
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case Nil =>
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exp
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case (vd:ValDef) :: rest =>
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// recurse
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val exp1 = squeezedBlock(rest, exp)
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@ -335,8 +341,8 @@ trait CodeFactory {
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nremoved = nremoved + 1
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exp1
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case 1 if rt.nsafeRef == 1 =>
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nsubstituted = nsubstituted + 1
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new Subst(sym, vd.rhs).transform( exp1 )
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nsubstituted += 1
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new Subst(sym, vd.rhs).transform(exp1)
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case _ =>
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exp1 match {
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case Block(vds2, exp2) => Block(vd::vds2, exp2)
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|
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@ -95,12 +95,12 @@ trait ParallelMatching {
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if((column.length > 1) && isFlatCases(column)) {
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if(settings_debug) {
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Console.println("flat cases!"+column)
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Console.println(scrutinee.tpe.symbol.children)
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Console.println(scrutinee.tpe.typeSymbol.children)
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Console.println(scrutinee.tpe.member(nme.tag))
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Console.println(column.map { x => x.tpe.symbol.tag })
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Console.println(column.map { x => x.tpe.typeSymbol.tag })
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}
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return new MixCases(scrutinee, column, rest)
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// if(scrutinee.tpe.symbol.hasFlag(symtab.Flags.SEALED)) new MixCasesSealed(scrutinee, column, rest)
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// if(scrutinee.tpe.typeSymbol.hasFlag(symtab.Flags.SEALED)) new MixCasesSealed(scrutinee, column, rest)
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// else new MixCases(scrutinee, column, rest)
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}
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*/
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|
@ -408,7 +408,7 @@ trait ParallelMatching {
|
|||
private val patternType = column.head match {
|
||||
case p @ (_:Ident | _:Select) =>
|
||||
singleType(p.symbol.tpe.prefix, p.symbol) //ConstantType(p.tpe.singleton)
|
||||
//case p@Apply(_,_) if !p.tpe.symbol.hasFlag(symtab.Flags.CASE) => ConstantType(new NamedConstant(p))
|
||||
//case p@Apply(_,_) if !p.tpe.typeSymbol.hasFlag(symtab.Flags.CASE) => ConstantType(new NamedConstant(p))
|
||||
case _ => column.head.tpe
|
||||
}
|
||||
private val isCaseHead = patternType.typeSymbol.hasFlag(symtab.Flags.CASE)
|
||||
|
|
@ -517,7 +517,7 @@ trait ParallelMatching {
|
|||
// succeeding => transition to translate(subsumed) (taking into account more specific)
|
||||
val nmatrix = {
|
||||
//Console.println("casted:"+casted)
|
||||
//Console.println("casted.case:"+casted.tpe.symbol.hasFlag(symtab.Flags.CASE))
|
||||
//Console.println("casted.case:"+casted.tpe.typeSymbol.hasFlag(symtab.Flags.CASE))
|
||||
var ntemps = if(casted.tpe.typeSymbol.hasFlag(symtab.Flags.CASE)) casted.caseFieldAccessors map {
|
||||
meth =>
|
||||
val ctemp = newVar(scrutinee.pos, casted.tpe.memberType(meth).resultType)
|
||||
|
|
@ -647,7 +647,7 @@ trait ParallelMatching {
|
|||
|
||||
case mc: MixCases =>
|
||||
val (branches, defaultV, default) = mc.getTransition // tag body pairs
|
||||
if(settings_debug) {
|
||||
if (settings_debug) {
|
||||
Console.println("[[mix cases transition: branches \n"+(branches.mkString("","\n","")))
|
||||
Console.println("defaults:"+defaultV)
|
||||
Console.println(default)
|
||||
|
|
@ -807,7 +807,7 @@ object Rep {
|
|||
pats = (if (tpt.tpe <:< temp(j).tpe) p else typat)::pats
|
||||
|
||||
case o @ Ident(n) =>
|
||||
if(n != nme.WILDCARD) {
|
||||
if (n != nme.WILDCARD) {
|
||||
//Console.println("/'''''''''''' 1"+o.tpe)
|
||||
//Console.println("/'''''''''''' 2"+o.symbol)
|
||||
//Console.println("/'''''''''''' 3"+o.symbol.tpe)
|
||||
|
|
@ -815,7 +815,7 @@ object Rep {
|
|||
//Console.println("/'''''''''''' 5"+o.symbol.tpe.prefix.isStable)
|
||||
|
||||
val stpe =
|
||||
if(o.tpe.symbol.isModule)
|
||||
if (o.tpe.typeSymbol.isModule)
|
||||
singleType(o.tpe.prefix, o.symbol)
|
||||
else
|
||||
singleType(NoPrefix, o.symbol)
|
||||
|
|
@ -826,7 +826,7 @@ object Rep {
|
|||
} else
|
||||
pats = o::pats
|
||||
|
||||
case ua @ UnApply(Apply(fn,_),arg) =>
|
||||
case ua @ UnApply(Apply(fn, _), arg) =>
|
||||
fn.tpe match {
|
||||
case MethodType(List(argtpe,_*),_) =>
|
||||
pats = (if (temp(j).tpe <:< argtpe) ua else Typed(ua,TypeTree(argtpe)).setType(argtpe))::pats
|
||||
|
|
@ -834,10 +834,12 @@ object Rep {
|
|||
|
||||
/** something too tricky is going on if the outer types don't match
|
||||
*/
|
||||
case o @ Apply(app, List()) if !o.tpe.symbol.hasFlag(symtab.Flags.CASE) =>
|
||||
case o @ Apply(app, List()) if !o.tpe.typeSymbol.hasFlag(symtab.Flags.CASE) =>
|
||||
//Console.println(o)
|
||||
//val stpe = singleType(NoPrefix, o.symbol)
|
||||
val stpe = if(o.tpe.symbol.isModule) singleType(o.tpe.prefix, o.symbol) else mkThisType(o.symbol)
|
||||
val stpe =
|
||||
if (o.tpe.typeSymbol.isModule) singleType(o.tpe.prefix, o.symbol)
|
||||
else mkThisType(o.symbol)
|
||||
val p = Ident(nme.WILDCARD) setType stpe
|
||||
val q = Typed(p, TypeTree(stpe)) setType stpe
|
||||
pats = q::pats
|
||||
|
|
@ -846,11 +848,11 @@ object Rep {
|
|||
pats = p :: pats
|
||||
}
|
||||
opats = opats.tail
|
||||
j = j + 1
|
||||
j += 1
|
||||
}
|
||||
pats = pats.reverse
|
||||
//i = pats findIndexOf isAlternative
|
||||
if(indexOfAlternative == -1)
|
||||
if (indexOfAlternative == -1)
|
||||
List(Row(pats,subst,g,b))
|
||||
else {
|
||||
val prefix = pats.take( indexOfAlternative )
|
||||
|
|
@ -859,7 +861,7 @@ object Rep {
|
|||
alts map { p => Row(prefix ::: p :: suffix, subst, g, b) }
|
||||
}
|
||||
}
|
||||
if(unchanged) {
|
||||
if (unchanged) {
|
||||
val ri = RepImpl(temp,row).init
|
||||
//Console.println("ri = "+ri)
|
||||
ri
|
||||
|
|
@ -882,7 +884,7 @@ object Rep {
|
|||
//Console.println("sym! "+sym+" mutable? "+sym.hasFlag(symtab.Flags.MUTABLE)+" captured? "+sym.hasFlag(symtab.Flags.CAPTURED))
|
||||
if (sym.hasFlag(symtab.Flags.MUTABLE) && // indicates that have not yet checked exhaustivity
|
||||
!sym.hasFlag(symtab.Flags.CAPTURED) && // indicates @unchecked
|
||||
sym.tpe.symbol.hasFlag(symtab.Flags.SEALED)) {
|
||||
sym.tpe.typeSymbol.hasFlag(symtab.Flags.SEALED)) {
|
||||
|
||||
sym.resetFlag(symtab.Flags.MUTABLE)
|
||||
sealedCols = i::sealedCols
|
||||
|
|
@ -893,7 +895,7 @@ object Rep {
|
|||
val z = candidates(x)
|
||||
if(x.hasFlag(symtab.Flags.ABSTRACT)) z else z + x
|
||||
}
|
||||
val cases = candidates(sym.tpe.symbol)
|
||||
val cases = candidates(sym.tpe.typeSymbol)
|
||||
sealedComb = cases::sealedComb
|
||||
}
|
||||
}
|
||||
|
|
@ -926,7 +928,7 @@ object Rep {
|
|||
singleType(sym.tpe.prefix, sym.linkedModuleOfClass) // e.g. None, Nil
|
||||
} else sym.tpe
|
||||
//Console.print("covers: sym="+sym+" symtpe="+symtpe+" p="+p+", p.tpe="+p.tpe+" ?")
|
||||
(p.tpe.symbol == sym) || (symtpe <:< p.tpe) ||
|
||||
(p.tpe.typeSymbol == sym) || (symtpe <:< p.tpe) ||
|
||||
/* outer, see scala.util.parsing.combinator.lexical.Scanner */
|
||||
(p.tpe.prefix.memberType(sym) <:< p.tpe)
|
||||
}
|
||||
|
|
@ -964,7 +966,8 @@ object Rep {
|
|||
//def setParent(mr:MixTypes): this.type = { mixtureParent = mr; this }
|
||||
|
||||
final def applyRule: RuleApplication = row match {
|
||||
case Nil => ErrorRule
|
||||
case Nil =>
|
||||
ErrorRule
|
||||
case Row(pats,subst,g,b)::xs =>
|
||||
if(pats forall isDefaultPattern) {
|
||||
val subst1 = pats.zip(temp) flatMap {
|
||||
|
|
@ -1004,10 +1007,10 @@ object Rep {
|
|||
|
||||
/** creates initial clause matrix
|
||||
*/
|
||||
final def initRep(selector:Tree, cases:List[Tree], checkExhaustive: Boolean)(implicit theOwner: Symbol) = {
|
||||
final def initRep(selector: Tree, cases: List[Tree], checkExhaustive: Boolean)(implicit theOwner: Symbol) = {
|
||||
val root = newVar(selector.pos, selector.tpe)
|
||||
// communicate whether exhaustiveness-checking is enabled via some flag
|
||||
if(!checkExhaustive)
|
||||
if (!checkExhaustive)
|
||||
root.setFlag(symtab.Flags.CAPTURED)
|
||||
val row = cases map { case CaseDef(pat,g,b) => Row(List(pat), Nil, g, b) }
|
||||
Rep(List(root), row)
|
||||
|
|
@ -1031,9 +1034,9 @@ object Rep {
|
|||
* @param x a pattern
|
||||
* @return vs variables bound, p pattern proper
|
||||
*/
|
||||
final def strip(x:Tree): (Set[Symbol], Tree) = x match {
|
||||
case b @ Bind(_,pat) => val (vs,p) = strip(pat); (vs + b.symbol, p)
|
||||
case z => (emptySymbolSet,z)
|
||||
final def strip(x: Tree): (Set[Symbol], Tree) = x match {
|
||||
case b @ Bind(_,pat) => val (vs, p) = strip(pat); (vs + b.symbol, p)
|
||||
case z => (emptySymbolSet, z)
|
||||
}
|
||||
|
||||
final def strip1(x:Tree): Set[Symbol] = x match { // same as strip(x)._1
|
||||
|
|
@ -1054,25 +1057,25 @@ object Rep {
|
|||
final def newVar(pos: Position, name: Name, tpe: Type)(implicit theOwner: Symbol): Symbol = {
|
||||
if(tpe eq null) assert(tpe ne null, "newVar("+name+", null)")
|
||||
val sym = theOwner.newVariable(pos, name) // careful: pos has special meaning
|
||||
sym.setFlag(symtab.Flags.TRANS_FLAG)
|
||||
sym.setInfo(tpe)
|
||||
sym setFlag symtab.Flags.TRANS_FLAG
|
||||
sym setInfo tpe
|
||||
sym
|
||||
}
|
||||
|
||||
final def newVar(pos: Position, tpe: Type)(implicit theOwner: Symbol): Symbol =
|
||||
newVar(pos, cunit.fresh.newName("temp"), tpe).setFlag(symtab.Flags.SYNTHETIC)
|
||||
newVar(pos, cunit.fresh.newName("temp"), tpe) setFlag symtab.Flags.SYNTHETIC
|
||||
|
||||
/** returns the condition in "if(cond) k1 else k2"
|
||||
*/
|
||||
final def condition(tpe: Type, scrut: Symbol): Tree = {
|
||||
val res = condition1(tpe, scrut)
|
||||
if(true && settings_debug)
|
||||
if (settings_debug)
|
||||
Console.println("condition, tpe = "+tpe+", scrut.tpe = "+scrut.tpe+", res = "+res)
|
||||
res
|
||||
}
|
||||
final def condition1(tpe: Type, scrut: Symbol): Tree = {
|
||||
assert (scrut ne NoSymbol)
|
||||
condition(tpe, Ident(scrut) . setType (scrut.tpe) . setSymbol (scrut))
|
||||
assert(scrut ne NoSymbol)
|
||||
condition(tpe, Ident(scrut) setType scrut.tpe setSymbol scrut)
|
||||
}
|
||||
|
||||
final def condition(tpe: Type, scrutineeTree: Tree): Tree = {
|
||||
|
|
@ -1081,23 +1084,23 @@ object Rep {
|
|||
//Console.println("tpe = "+tpe+" prefix="+tpe.prefix)
|
||||
//Console.println("singletontype?"+tpe.isInstanceOf[SingletonType])
|
||||
//Console.println("constanttype? "+tpe.isInstanceOf[ConstantType])
|
||||
//Console.println("value "+tpe.symbol.isValue)
|
||||
//Console.println("module "+tpe.symbol.isModule)
|
||||
//Console.println("value "+tpe.typeSymbol.isValue)
|
||||
//Console.println("module "+tpe.typeSymbol.isModule)
|
||||
if (tpe.isInstanceOf[SingletonType] && !tpe.isInstanceOf[ConstantType]) {
|
||||
|
||||
if(tpe.symbol.isModule) {// object
|
||||
if (tpe.typeSymbol.isModule) {// object
|
||||
if (scrutineeTree.tpe <:< definitions.AnyRefClass.tpe)
|
||||
Eq(gen.mkAttributedRef(tpe.symbol), scrutineeTree) // object
|
||||
Eq(gen.mkAttributedRef(tpe.typeSymbol), scrutineeTree) // object
|
||||
else
|
||||
Equals(gen.mkAttributedRef(tpe.symbol), scrutineeTree) // object
|
||||
Equals(gen.mkAttributedRef(tpe.typeSymbol), scrutineeTree) // object
|
||||
} else {
|
||||
//Console.print("111 ??")
|
||||
//Console.println("tpe stable "+tpe.isStable)
|
||||
//Console.println("tpe prefix stable "+tpe.prefix.isStable)
|
||||
//val x = Equals(Apply(gen.mkAttributedRef(tpe.symbol), List()), scrutineeTree)
|
||||
//val x = Equals(Apply(gen.mkAttributedRef(tpe.typeSymbol), List()), scrutineeTree)
|
||||
val x =
|
||||
if(tpe.prefix ne NoPrefix) gen.mkIsInstanceOf(scrutineeTree, tpe)
|
||||
else Equals(gen.mkAttributedRef(tpe.symbol), scrutineeTree)
|
||||
else Equals(gen.mkAttributedRef(tpe.typeSymbol), scrutineeTree)
|
||||
//Console.println(" = "+x)
|
||||
typed { x }
|
||||
}
|
||||
|
|
@ -1111,51 +1114,54 @@ object Rep {
|
|||
Eq(scrutineeTree, Literal(value)) // constant
|
||||
else
|
||||
Equals(scrutineeTree, Literal(value)) // constant
|
||||
} else if(scrutineeTree.tpe <:< tpe && tpe <:< definitions.AnyRefClass.tpe) {
|
||||
} else if (scrutineeTree.tpe <:< tpe && tpe <:< definitions.AnyRefClass.tpe) {
|
||||
//if(scrutineeTree.symbol.hasFlag(symtab.Flags.SYNTHETIC)) Literal(Constant(true)) else
|
||||
NotNull(scrutineeTree)
|
||||
} else if(tpe.prefix.symbol.isTerm && tpe.symbol.linkedModuleOfClass != NoSymbol) { // object
|
||||
} else if(tpe.prefix.typeSymbol.isTerm && tpe.typeSymbol.linkedModuleOfClass != NoSymbol) { // object
|
||||
//Console.println("iT"+tpe.prefix.symbol.isTerm)
|
||||
//Console.println("lmoc"+tpe.symbol.linkedModuleOfClass)
|
||||
Eq(gen.mkAttributedRef(tpe.prefix, tpe.symbol.linkedModuleOfClass), scrutineeTree)
|
||||
//Console.println("lmoc"+tpe.typeSymbol.linkedModuleOfClass)
|
||||
Eq(gen.mkAttributedRef(tpe.prefix, tpe.typeSymbol.linkedModuleOfClass), scrutineeTree)
|
||||
} else
|
||||
//Console.println(tpe.prefix.symbol.isTerm)
|
||||
//Console.println(tpe.symbol)
|
||||
//Console.println(tpe.symbol.linkedModuleOfClass)
|
||||
//Console.println(tpe.typeSymbol)
|
||||
//Console.println(tpe.typeSymbol.linkedModuleOfClass)
|
||||
gen.mkIsInstanceOf(scrutineeTree, tpe)
|
||||
}
|
||||
|
||||
final def needsOuterTest(tpe2test:Type, scrutinee:Type) = tpe2test.normalize match {
|
||||
final def needsOuterTest(tpe2test: Type, scrutinee: Type) = tpe2test.normalize match {
|
||||
case TypeRef(prefix,_,_) =>
|
||||
prefix.symbol.isTerm &&
|
||||
!prefix.symbol.isPackage &&
|
||||
outerAlwaysEqual(tpe2test,scrutinee) == Some(false)
|
||||
case _ => false
|
||||
prefix.typeSymbol.isTerm &&
|
||||
!prefix.typeSymbol.isPackage &&
|
||||
outerAlwaysEqual(tpe2test, scrutinee) == Some(false)
|
||||
case _ =>
|
||||
false
|
||||
}
|
||||
|
||||
/** returns a result if both are TypeRefs, returns Some(true) if left and right are statically known to have
|
||||
* the same outer, i.e. if their prefixes are the same
|
||||
*/
|
||||
final def outerAlwaysEqual(left: Type, right: Type): Option[Boolean] = (left.normalize,right.normalize) match {
|
||||
case (TypeRef(lprefix, _,_), TypeRef(rprefix,_,_)) =>
|
||||
if(!(lprefix =:= rprefix)) {
|
||||
final def outerAlwaysEqual(left: Type, right: Type): Option[Boolean] =
|
||||
(left.normalize, right.normalize) match {
|
||||
case (TypeRef(lprefix, _, _), TypeRef(rprefix, _, _)) =>
|
||||
//if(!(lprefix =:= rprefix)) {
|
||||
//DEBUG("DEBUG(outerAlwaysEqual) Some(f) for"+(left,right))
|
||||
}
|
||||
//}
|
||||
Some(lprefix =:= rprefix)
|
||||
case _ => None
|
||||
case _ =>
|
||||
None
|
||||
}
|
||||
|
||||
/** adds a test comparing the dynamic outer to the static outer */
|
||||
final def addOuterCondition(cond:Tree, tpe2test: Type, scrutinee: Tree, handleOuter: Tree=>Tree) = {
|
||||
val TypeRef(prefix,_,_) = tpe2test
|
||||
var theRef = gen.mkAttributedRef(prefix.prefix, prefix.symbol)
|
||||
var theRef = gen.mkAttributedRef(prefix.prefix, prefix.typeSymbol)
|
||||
|
||||
// needs explicitouter treatment
|
||||
theRef = handleOuter(theRef)
|
||||
|
||||
val outerAcc = outerAccessor(tpe2test.symbol)
|
||||
val outerAcc = outerAccessor(tpe2test.typeSymbol)
|
||||
if (outerAcc == NoSymbol) {
|
||||
if (settings_debug) cunit.warning(scrutinee.pos, "no outer acc for "+tpe2test.symbol)
|
||||
if (settings_debug) cunit.warning(scrutinee.pos, "no outer acc for "+tpe2test.typeSymbol)
|
||||
cond
|
||||
} else
|
||||
And(cond,
|
||||
|
|
|
|||
|
|
@ -60,7 +60,7 @@ trait PatternMatchers { self: transform.ExplicitOuter with PatternNodes with Par
|
|||
this.doCheckExhaustive = doCheckExhaustive
|
||||
this.selector = selector
|
||||
this.handleOuter = handleOuter
|
||||
if(settings_debug) {
|
||||
if (settings_debug) {
|
||||
Console.println("****")
|
||||
Console.println("**** initalize, selector = "+selector+" selector.tpe = "+selector.tpe)
|
||||
Console.println("**** doCheckExhaustive == "+doCheckExhaustive)
|
||||
|
|
@ -239,7 +239,9 @@ trait PatternMatchers { self: transform.ExplicitOuter with PatternNodes with Par
|
|||
//Console.println("isImplemented? "+x)
|
||||
x match {
|
||||
case app @ Apply(fn,xs) =>
|
||||
if(!app.tpe.symbol.hasFlag(symtab.Flags.CASE) /*|| (fn.symbol ne null)*/) CantHandleApply else {
|
||||
if(!app.tpe.typeSymbol.hasFlag(symtab.Flags.CASE) /*|| (fn.symbol ne null)*/)
|
||||
CantHandleApply
|
||||
else {
|
||||
/*if(!app.tpe.symbol.hasFlag(symtab.Flags.CASE)) {
|
||||
Console.print("what is this?"+x)
|
||||
if(fn.symbol eq null) {
|
||||
|
|
@ -349,12 +351,12 @@ trait PatternMatchers { self: transform.ExplicitOuter with PatternNodes with Par
|
|||
//Console.println("tree.tpe "+tree.tpe);
|
||||
//Console.println("tree.getClass() "+tree.getClass());
|
||||
val t = tree match {
|
||||
case Bind(name, Typed(Ident( nme.WILDCARD ), tpe)) => // x@_:Type
|
||||
case Bind(name, Typed(Ident(nme.WILDCARD), tpe)) => // x@_:Type
|
||||
// @note: safest! typer does not always use tpe.tpe, e.g. in the case of refinement type tests
|
||||
val tpe2test = tree.symbol.tpe
|
||||
// @note: if (isSubType(header.tpe, tpe2test)) then this will be translated to isNull test
|
||||
val node = pConstrPat(tree.pos, tpe2test)
|
||||
env.newBoundVar( tree.symbol, tpe2test, typed(Ident( node.casted )));
|
||||
env.newBoundVar(tree.symbol, tpe2test, typed(Ident(node.casted)));
|
||||
node
|
||||
|
||||
case Bind(name, Ident(nme.WILDCARD)) => // x @ _
|
||||
|
|
@ -387,7 +389,7 @@ trait PatternMatchers { self: transform.ExplicitOuter with PatternNodes with Par
|
|||
if(isRightIgnoring(av)) {
|
||||
//Console.println(av.toString()+" IS RIGHTIGNORING");
|
||||
val castedRest = ts.last match {
|
||||
case b:Bind => b.symbol;
|
||||
case b:Bind => b.symbol
|
||||
case _ => null
|
||||
}
|
||||
pRightIgnoringSequencePat(tree.pos, tree.tpe, castedRest, ts.length-1);
|
||||
|
|
@ -516,13 +518,13 @@ trait PatternMatchers { self: transform.ExplicitOuter with PatternNodes with Par
|
|||
} else {
|
||||
//Console.println("NOT FIRSTPOS");
|
||||
//Console.println("newHeader :: ");
|
||||
if(!casted.tpe.symbol.hasFlag(Flags.CASE)) {
|
||||
if (!casted.tpe.typeSymbol.hasFlag(Flags.CASE)) {
|
||||
|
||||
//Console.println("NOT CASE");
|
||||
//Console.println("getProductArgs? "+defs.getProductArgs(casted.tpe));
|
||||
defs.getProductArgs(casted.tpe) match {
|
||||
case Some(targs) =>
|
||||
val accSym = defs.productProj(casted.tpe.symbol, index+1)
|
||||
val accSym = defs.productProj(casted.tpe.typeSymbol, index+1)
|
||||
val accTree = typed(Apply(Select(ident, accSym), List())) // nsc !
|
||||
return pHeader(pos, accTree.tpe, accTree)
|
||||
case None =>
|
||||
|
|
@ -541,8 +543,8 @@ print()
|
|||
|
||||
//Console.println("CASE");
|
||||
|
||||
val caseAccs = casted.tpe.symbol.caseFieldAccessors;
|
||||
if (caseAccs.length <= index) Console.println("selecting " + index + " in case fields of " + casted.tpe.symbol + "=" + casted.tpe.symbol.caseFieldAccessors);//debug
|
||||
val caseAccs = casted.tpe.typeSymbol.caseFieldAccessors;
|
||||
if (caseAccs.length <= index) Console.println("selecting " + index + " in case fields of " + casted.tpe.typeSymbol + "=" + casted.tpe.typeSymbol.caseFieldAccessors);//debug
|
||||
val ts = caseAccs(index);
|
||||
val accTree = typed(Apply(Select(ident, ts), List()))
|
||||
val accType = accTree.tpe
|
||||
|
|
@ -624,8 +626,8 @@ print()
|
|||
/* first try at exhaust improvement
|
||||
selectorMap.update((casted, curHeader.selector.symbol),
|
||||
selectorMap.get(casted, curHeader.selector.symbol) match {
|
||||
case Some(xs) => pat.tpe.symbol::xs
|
||||
case _ => pat.tpe.symbol::Nil
|
||||
case Some(xs) => pat.tpe.typeSymbol::xs
|
||||
case _ => pat.tpe.typeSymbol::Nil
|
||||
})
|
||||
*/
|
||||
if (bodycond ne null) target.and = bodycond(target.and) // restores body with the guards
|
||||
|
|
@ -709,7 +711,7 @@ print()
|
|||
protected def nCaseComponents(tree: Tree): int = {
|
||||
tree match {
|
||||
case Apply(fn, _) =>
|
||||
val tpe = tree.tpe.symbol.primaryConstructor.tpe
|
||||
val tpe = tree.tpe.typeSymbol.primaryConstructor.tpe
|
||||
//Console.println("~~~ " + tree.type() + ", " + tree.type().symbol.primaryConstructor());
|
||||
tpe match {
|
||||
// I'm not sure if this is a good idea, but obviously, currently all case classes
|
||||
|
|
@ -1070,15 +1072,15 @@ print()
|
|||
while (node ne null)
|
||||
node match {
|
||||
case ConstrPat(casted) =>
|
||||
cases = insertNode(node.tpe.symbol.tag, node, cases)
|
||||
cases = insertNode(node.tpe.typeSymbol.tag, node, cases)
|
||||
node = node.or
|
||||
|
||||
case DefaultPat() =>
|
||||
defaultCase = node
|
||||
node = node.or
|
||||
|
||||
case VariablePat(tree) if node.tpe.symbol.hasFlag(Flags.CASE) =>
|
||||
cases = insertNode(node.tpe.symbol.tag, node, cases)
|
||||
case VariablePat(tree) if node.tpe.typeSymbol hasFlag Flags.CASE =>
|
||||
cases = insertNode(node.tpe.typeSymbol.tag, node, cases)
|
||||
node = node.or
|
||||
|
||||
case _ =>
|
||||
|
|
@ -1146,7 +1148,7 @@ print()
|
|||
case DefaultPat() =>
|
||||
return toTree(node.and);
|
||||
|
||||
case UnapplyPat(casted, Apply(fn1, appargs)) if casted.tpe.symbol == defs.BooleanClass => // special case
|
||||
case UnapplyPat(casted, Apply(fn1, appargs)) if casted.tpe.typeSymbol == defs.BooleanClass => // special case
|
||||
var useSelector = selector
|
||||
val checkType = fn1.tpe match {
|
||||
case MethodType(List(argtpe,_*),_) =>
|
||||
|
|
@ -1218,7 +1220,7 @@ print()
|
|||
// needs explicitouter treatment
|
||||
theRef = handleOuter(theRef)
|
||||
|
||||
val outerAcc = outerAccessor(casted.tpe.symbol)
|
||||
val outerAcc = outerAccessor(casted.tpe.typeSymbol)
|
||||
|
||||
if(outerAcc != NoSymbol) { // some guys don't have outers
|
||||
cond = And(cond,
|
||||
|
|
@ -1288,13 +1290,13 @@ print()
|
|||
Literal(Constant(true))
|
||||
|
||||
val treeAsSeq =
|
||||
if(!isSubType(selector.tpe,ntpe))
|
||||
if (!isSubType(selector.tpe,ntpe))
|
||||
typed(gen.mkAsInstanceOf(selector.duplicate, ntpe, true))
|
||||
else
|
||||
selector.duplicate
|
||||
|
||||
val cond =
|
||||
if(minlen == 0) tpetest
|
||||
if (minlen == 0) tpetest
|
||||
else And(tpetest, seqLongerThan(treeAsSeq, ntpe, minlen))
|
||||
|
||||
var bindings =
|
||||
|
|
@ -1320,11 +1322,11 @@ print()
|
|||
|
||||
case VariablePat(tree) =>
|
||||
// objects are compared by eq, not ==
|
||||
val cmp = if(tree.tpe.symbol.isModuleClass && selector.tpe <:< defs.AnyRefClass.tpe)
|
||||
val cmp = if (tree.tpe.typeSymbol.isModuleClass && selector.tpe <:< defs.AnyRefClass.tpe)
|
||||
Eq(selector.duplicate, tree)
|
||||
else
|
||||
Equals(selector.duplicate, tree)
|
||||
return myIf( cmp,
|
||||
return myIf(cmp,
|
||||
toTree(node.and),
|
||||
toTree(node.or, selector.duplicate));
|
||||
|
||||
|
|
@ -1333,7 +1335,7 @@ print()
|
|||
toTree(node.and),
|
||||
toTree(node.or, selector.duplicate));
|
||||
case _ =>
|
||||
scala.Predef.error("cannot handle pattern:"+node);
|
||||
scala.Predef.error("cannot handle pattern:"+node)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -57,8 +57,15 @@ trait Scanners extends Parsers with Tokens {
|
|||
token(in1) match {
|
||||
case Success(tok, in2) => Triple(tok, in1, in2)
|
||||
case ns: NoSuccess => Triple(errorToken(ns.msg), ns.next, skip(ns.next))
|
||||
case Failure(_, in2) => error("internal error")
|
||||
case Error(_, in2) => error("internal error")
|
||||
}
|
||||
case ns: NoSuccess => Triple(errorToken(ns.msg), ns.next, skip(ns.next))
|
||||
case ns: NoSuccess =>
|
||||
Triple(errorToken(ns.msg), ns.next, skip(ns.next))
|
||||
case Failure(_, in1) =>
|
||||
error("internal error")
|
||||
case Error(_, in1) =>
|
||||
error("internal error")
|
||||
}
|
||||
private def skip(in: Reader[Char]) = if (in.atEnd) in else in.rest
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue