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author | Jason Zaugg <jzaugg@gmail.com> | 2014-05-08 22:51:18 +0200 |
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committer | Jason Zaugg <jzaugg@gmail.com> | 2014-05-08 22:51:18 +0200 |
commit | a469cabc3eaf18a8a41cbcb1de4da6a7d459c861 (patch) | |
tree | b947a3a1bc0fdc6cfe8955b50f63a38926daaa5a /src | |
parent | 6a0b66185096dd9703010a2069fc79cc1e53031d (diff) | |
parent | b7f91a206cca9ab9bb87d0f7872ddf213ba10f82 (diff) | |
download | scala-a469cabc3eaf18a8a41cbcb1de4da6a7d459c861.tar.gz scala-a469cabc3eaf18a8a41cbcb1de4da6a7d459c861.tar.bz2 scala-a469cabc3eaf18a8a41cbcb1de4da6a7d459c861.zip |
Merge pull request #3728 from retronym/topic/merge-2.10.x
Merge 2.10.x to 2.11.x
Diffstat (limited to 'src')
6 files changed, 31 insertions, 12 deletions
diff --git a/src/compiler/scala/tools/nsc/ast/TreeInfo.scala b/src/compiler/scala/tools/nsc/ast/TreeInfo.scala index 0731d78a9b..689e6405d0 100644 --- a/src/compiler/scala/tools/nsc/ast/TreeInfo.scala +++ b/src/compiler/scala/tools/nsc/ast/TreeInfo.scala @@ -74,6 +74,11 @@ abstract class TreeInfo extends scala.reflect.internal.TreeInfo { } } + // TODO these overrides, and the slow trickle of bugs that they solve (e.g. SI-8479), + // suggest that we should pursue an alternative design in which the DocDef nodes + // are eliminated from the tree before typer, and instead are modelled as tree + // attachments. + /** Is tree legal as a member definition of an interface? */ override def isInterfaceMember(tree: Tree): Boolean = tree match { @@ -81,6 +86,11 @@ abstract class TreeInfo extends scala.reflect.internal.TreeInfo { case _ => super.isInterfaceMember(tree) } + override def isConstructorWithDefault(t: Tree) = t match { + case DocDef(_, definition) => isConstructorWithDefault(definition) + case _ => super.isConstructorWithDefault(t) + } + /** Is tree a pure (i.e. non-side-effecting) definition? */ override def isPureDef(tree: Tree): Boolean = tree match { diff --git a/src/compiler/scala/tools/nsc/symtab/classfile/ClassfileParser.scala b/src/compiler/scala/tools/nsc/symtab/classfile/ClassfileParser.scala index ea600bc586..d7cd92adf2 100644 --- a/src/compiler/scala/tools/nsc/symtab/classfile/ClassfileParser.scala +++ b/src/compiler/scala/tools/nsc/symtab/classfile/ClassfileParser.scala @@ -356,9 +356,13 @@ abstract class ClassfileParser { // SI-5593 Scaladoc's current strategy is to visit all packages in search of user code that can be documented // therefore, it will rummage through the classpath triggering errors whenever it encounters package objects // that are not in their correct place (see bug for details) - if (!settings.isScaladoc) - warning(s"Class $name not found - continuing with a stub.") - return NoSymbol.newClass(name.toTypeName) + + // TODO More consistency with use of stub symbols in `Unpickler` + // - better owner than `NoSymbol` + // - remove eager warning + val msg = s"Class $name not found - continuing with a stub." + if (!settings.isScaladoc) warning(msg) + return NoSymbol.newStubSymbol(name.toTypeName, msg) } val completer = new loaders.ClassfileLoader(file) var owner: Symbol = rootMirror.RootClass diff --git a/src/compiler/scala/tools/nsc/typechecker/Namers.scala b/src/compiler/scala/tools/nsc/typechecker/Namers.scala index 23dc57d5b9..4382a2c6f7 100644 --- a/src/compiler/scala/tools/nsc/typechecker/Namers.scala +++ b/src/compiler/scala/tools/nsc/typechecker/Namers.scala @@ -711,10 +711,7 @@ trait Namers extends MethodSynthesis { val m = ensureCompanionObject(tree, caseModuleDef) m.moduleClass.updateAttachment(new ClassForCaseCompanionAttachment(tree)) } - val hasDefault = impl.body exists { - case DefDef(_, nme.CONSTRUCTOR, _, vparamss, _, _) => mexists(vparamss)(_.mods.hasDefault) - case _ => false - } + val hasDefault = impl.body exists treeInfo.isConstructorWithDefault if (hasDefault) { val m = ensureCompanionObject(tree) m.updateAttachment(new ConstructorDefaultsAttachment(tree, null)) diff --git a/src/reflect/scala/reflect/internal/AnnotationInfos.scala b/src/reflect/scala/reflect/internal/AnnotationInfos.scala index 19e9eef851..f814a746f5 100644 --- a/src/reflect/scala/reflect/internal/AnnotationInfos.scala +++ b/src/reflect/scala/reflect/internal/AnnotationInfos.scala @@ -302,7 +302,7 @@ trait AnnotationInfos extends api.Annotations { self: SymbolTable => */ def defaultTargets = symbol.annotations map (_.symbol) filter isMetaAnnotation // Test whether the typeSymbol of atp conforms to the given class. - def matches(clazz: Symbol) = symbol isNonBottomSubClass clazz + def matches(clazz: Symbol) = !symbol.isInstanceOf[StubSymbol] && (symbol isNonBottomSubClass clazz) // All subtrees of all args are considered. def hasArgWhich(p: Tree => Boolean) = args exists (_ exists p) diff --git a/src/reflect/scala/reflect/internal/TreeInfo.scala b/src/reflect/scala/reflect/internal/TreeInfo.scala index 7cf749c048..b7d7d4df88 100644 --- a/src/reflect/scala/reflect/internal/TreeInfo.scala +++ b/src/reflect/scala/reflect/internal/TreeInfo.scala @@ -51,6 +51,11 @@ abstract class TreeInfo { case _ => false } + def isConstructorWithDefault(t: Tree) = t match { + case DefDef(_, nme.CONSTRUCTOR, _, vparamss, _, _) => mexists(vparamss)(_.mods.hasDefault) + case _ => false + } + /** Is tree a pure (i.e. non-side-effecting) definition? */ def isPureDef(tree: Tree): Boolean = tree match { diff --git a/src/reflect/scala/reflect/runtime/JavaMirrors.scala b/src/reflect/scala/reflect/runtime/JavaMirrors.scala index f5bddb1784..6584d80de3 100644 --- a/src/reflect/scala/reflect/runtime/JavaMirrors.scala +++ b/src/reflect/scala/reflect/runtime/JavaMirrors.scala @@ -760,8 +760,7 @@ private[scala] trait JavaMirrors extends internal.SymbolTable with api.JavaUnive module.moduleClass setInfo new ClassInfoType(List(), newScope, module.moduleClass) } - def enter(sym: Symbol, mods: JavaAccFlags) = - ( if (mods.isStatic) module.moduleClass else clazz ).info.decls enter sym + def enter(sym: Symbol, mods: JavaAccFlags) = followStatic(clazz, module, mods).info.decls enter sym def enterEmptyCtorIfNecessary(): Unit = { if (jclazz.getConstructors.isEmpty) @@ -801,8 +800,12 @@ private[scala] trait JavaMirrors extends internal.SymbolTable with api.JavaUnive * If Java modifiers `mods` contain STATIC, return the module class * of the companion module of `clazz`, otherwise the class `clazz` itself. */ - private def followStatic(clazz: Symbol, mods: JavaAccFlags) = - if (mods.isStatic) clazz.companionModule.moduleClass else clazz + private def followStatic(clazz: Symbol, mods: JavaAccFlags): Symbol = followStatic(clazz, clazz.companionModule, mods) + + private def followStatic(clazz: Symbol, module: Symbol, mods: JavaAccFlags): Symbol = + // SI-8196 `orElse(clazz)` needed for implementation details of the backend, such as the static + // field containing the cache for structural calls. + if (mods.isStatic) module.moduleClass.orElse(clazz) else clazz /** Methods which need to be treated with care * because they either are getSimpleName or call getSimpleName: |