diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/compiler/scala/reflect/quasiquotes/Parsers.scala | 4 | ||||
| -rw-r--r-- | src/compiler/scala/tools/nsc/ast/parser/Parsers.scala | 57 | ||||
| -rw-r--r-- | src/compiler/scala/tools/nsc/ast/parser/TreeBuilder.scala | 32 | ||||
| -rw-r--r-- | src/intellij/scala-build.iml.SAMPLE | 109 | ||||
| -rw-r--r-- | src/intellij/scala.ipr.SAMPLE | 3 | ||||
| -rw-r--r-- | src/library/scala/collection/Iterator.scala | 51 | ||||
| -rw-r--r-- | src/library/scala/reflect/Manifest.scala | 3 | ||||
| -rw-r--r-- | src/library/scala/util/Properties.scala | 2 | ||||
| -rw-r--r-- | src/scaladoc/scala/tools/nsc/doc/html/page/Template.scala | 2 | ||||
| -rw-r--r-- | src/scalap/decoder.properties | 2 |
10 files changed, 220 insertions, 45 deletions
diff --git a/src/compiler/scala/reflect/quasiquotes/Parsers.scala b/src/compiler/scala/reflect/quasiquotes/Parsers.scala index 97ec7dbfc3..108ad0bc2e 100644 --- a/src/compiler/scala/reflect/quasiquotes/Parsers.scala +++ b/src/compiler/scala/reflect/quasiquotes/Parsers.scala @@ -59,6 +59,10 @@ trait Parsers { self: Quasiquotes => override implicit lazy val fresh: FreshNameCreator = new FreshNameCreator(nme.QUASIQUOTE_PREFIX) + // Do not check for tuple arity. The placeholders can support arbitrary tuple sizes. + override def makeSafeTupleTerm(trees: List[Tree], offset: Offset): Tree = treeBuilder.makeTupleTerm(trees) + override def makeSafeTupleType(trees: List[Tree], offset: Offset): Tree = treeBuilder.makeTupleType(trees) + override val treeBuilder = new ParserTreeBuilder { override implicit def fresh: FreshNameCreator = parser.fresh diff --git a/src/compiler/scala/tools/nsc/ast/parser/Parsers.scala b/src/compiler/scala/tools/nsc/ast/parser/Parsers.scala index 4494a8ac8d..c04d305f9e 100644 --- a/src/compiler/scala/tools/nsc/ast/parser/Parsers.scala +++ b/src/compiler/scala/tools/nsc/ast/parser/Parsers.scala @@ -766,7 +766,58 @@ self => @inline final def caseSeparated[T](part: => T): List[T] = tokenSeparated(CASE, sepFirst = true, part) def readAnnots(part: => Tree): List[Tree] = tokenSeparated(AT, sepFirst = true, part) -/* --------- OPERAND/OPERATOR STACK --------------------------------------- */ + /** Create a tuple type Tree. If the arity is not supported, a syntax error is emitted. */ + def makeSafeTupleType(elems: List[Tree], offset: Offset) = { + if (checkTupleSize(elems, offset)) makeTupleType(elems) + else makeTupleType(Nil) // create a dummy node; makeTupleType(elems) would fail + } + + /** Create a tuple term Tree. If the arity is not supported, a syntax error is emitted. */ + def makeSafeTupleTerm(elems: List[Tree], offset: Offset) = { + checkTupleSize(elems, offset) + makeTupleTerm(elems) + } + + private[this] def checkTupleSize(elems: List[Tree], offset: Offset): Boolean = + if (elems.lengthCompare(definitions.MaxTupleArity) > 0) { + syntaxError(offset, "too many elements for tuple: "+elems.length+", allowed: "+definitions.MaxTupleArity, skipIt = false) + false + } else true + + /** Strip the artifitial `Parens` node to create a tuple term Tree. */ + def stripParens(t: Tree) = t match { + case Parens(ts) => atPos(t.pos) { makeSafeTupleTerm(ts, t.pos.point) } + case _ => t + } + + /** Create tree representing (unencoded) binary operation expression or pattern. */ + def makeBinop(isExpr: Boolean, left: Tree, op: TermName, right: Tree, opPos: Position, targs: List[Tree] = Nil): Tree = { + require(isExpr || targs.isEmpty || targs.exists(_.isErroneous), s"Incompatible args to makeBinop: !isExpr but targs=$targs") + + def mkSelection(t: Tree) = { + def sel = atPos(opPos union t.pos)(Select(stripParens(t), op.encode)) + if (targs.isEmpty) sel else atPos(left.pos)(TypeApply(sel, targs)) + } + def mkNamed(args: List[Tree]) = if (isExpr) args map treeInfo.assignmentToMaybeNamedArg else args + val arguments = right match { + case Parens(args) => mkNamed(args) + case _ => List(right) + } + if (isExpr) { + if (treeInfo.isLeftAssoc(op)) { + Apply(mkSelection(left), arguments) + } else { + val x = freshTermName() + Block( + List(ValDef(Modifiers(symtab.Flags.SYNTHETIC | symtab.Flags.ARTIFACT), x, TypeTree(), stripParens(left))), + Apply(mkSelection(right), List(Ident(x)))) + } + } else { + Apply(Ident(op.encode), stripParens(left) :: arguments) + } + } + + /* --------- OPERAND/OPERATOR STACK --------------------------------------- */ /** Modes for infix types. */ object InfixMode extends Enumeration { @@ -870,7 +921,7 @@ self => atPos(start, in.skipToken()) { makeFunctionTypeTree(ts, typ()) } else { ts foreach checkNotByNameOrVarargs - val tuple = atPos(start) { makeTupleType(ts) } + val tuple = atPos(start) { makeSafeTupleType(ts, start) } infixTypeRest( compoundTypeRest( annotTypeRest( @@ -937,7 +988,7 @@ self => def simpleType(): Tree = { val start = in.offset simpleTypeRest(in.token match { - case LPAREN => atPos(start)(makeTupleType(inParens(types()))) + case LPAREN => atPos(start)(makeSafeTupleType(inParens(types()), start)) case USCORE => wildcardType(in.skipToken()) case _ => path(thisOK = false, typeOK = true) match { diff --git a/src/compiler/scala/tools/nsc/ast/parser/TreeBuilder.scala b/src/compiler/scala/tools/nsc/ast/parser/TreeBuilder.scala index 6e5a3f6ef7..cc9e39f430 100644 --- a/src/compiler/scala/tools/nsc/ast/parser/TreeBuilder.scala +++ b/src/compiler/scala/tools/nsc/ast/parser/TreeBuilder.scala @@ -43,44 +43,12 @@ abstract class TreeBuilder { def makeTupleType(elems: List[Tree]) = gen.mkTupleType(elems) - def stripParens(t: Tree) = t match { - case Parens(ts) => atPos(t.pos) { makeTupleTerm(ts) } - case _ => t - } - def makeAnnotated(t: Tree, annot: Tree): Tree = atPos(annot.pos union t.pos)(Annotated(annot, t)) def makeSelfDef(name: TermName, tpt: Tree): ValDef = ValDef(Modifiers(PRIVATE), name, tpt, EmptyTree) - /** Create tree representing (unencoded) binary operation expression or pattern. */ - def makeBinop(isExpr: Boolean, left: Tree, op: TermName, right: Tree, opPos: Position, targs: List[Tree] = Nil): Tree = { - require(isExpr || targs.isEmpty || targs.exists(_.isErroneous), s"Incompatible args to makeBinop: !isExpr but targs=$targs") - - def mkSelection(t: Tree) = { - def sel = atPos(opPos union t.pos)(Select(stripParens(t), op.encode)) - if (targs.isEmpty) sel else atPos(left.pos)(TypeApply(sel, targs)) - } - def mkNamed(args: List[Tree]) = if (isExpr) args map treeInfo.assignmentToMaybeNamedArg else args - val arguments = right match { - case Parens(args) => mkNamed(args) - case _ => List(right) - } - if (isExpr) { - if (treeInfo.isLeftAssoc(op)) { - Apply(mkSelection(left), arguments) - } else { - val x = freshTermName() - Block( - List(ValDef(Modifiers(SYNTHETIC | ARTIFACT), x, TypeTree(), stripParens(left))), - Apply(mkSelection(right), List(Ident(x)))) - } - } else { - Apply(Ident(op.encode), stripParens(left) :: arguments) - } - } - /** Tree for `od op`, start is start0 if od.pos is borked. */ def makePostfixSelect(start0: Int, end: Int, od: Tree, op: Name): Tree = { val start = if (od.pos.isDefined) od.pos.start else start0 diff --git a/src/intellij/scala-build.iml.SAMPLE b/src/intellij/scala-build.iml.SAMPLE new file mode 100644 index 0000000000..bf722e464f --- /dev/null +++ b/src/intellij/scala-build.iml.SAMPLE @@ -0,0 +1,109 @@ +<?xml version="1.0" encoding="UTF-8"?> +<module external.linked.project.id="scalaz-build" external.linked.project.path="$MODULE_DIR$/../../project" external.root.project.path="$MODULE_DIR$/../.." external.system.id="SBT" sbt.imports="sbt._, Keys._, dsl._, _root_.com.typesafe.sbt.SbtPgp.autoImport._, _root_.sbt.plugins.IvyPlugin, _root_.sbt.plugins.JvmPlugin, _root_.sbt.plugins.CorePlugin, _root_.sbt.plugins.JUnitXmlReportPlugin, _root_.com.typesafe.sbt.SbtPgp" sbt.resolvers="https://repo1.maven.org/maven2/|maven|public, /Users/jason/.ivy2/cache|ivy|Local cache" type="SBT_MODULE" version="4"> + <component name="NewModuleRootManager" inherit-compiler-output="false"> + <output url="file://$MODULE_DIR$/../../project/target/idea-classes" /> + <output-test url="file://$MODULE_DIR$/../../project/target/idea-test-classes" /> + <exclude-output /> + <content url="file://$MODULE_DIR$/../../project"> + <sourceFolder url="file://$MODULE_DIR$/../../project" isTestSource="false" /> + <excludeFolder url="file://$MODULE_DIR$/../../project/project/target" /> + <excludeFolder url="file://$MODULE_DIR$/../../project/target" /> + </content> + <orderEntry type="inheritedJdk" /> + <orderEntry type="sourceFolder" forTests="false" /> + <orderEntry type="module-library"> + <library name="SBT: sbt-and-plugins"> + <CLASSES> + <root url="jar://$USER_HOME$/.ivy2/cache/org.apache.commons/commons-lang3/jars/commons-lang3-3.3.2.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.pantsbuild/jarjar/jars/jarjar-1.6.0.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.apache.ant/ant/jars/ant-1.9.6.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.apache.ant/ant-launcher/jars/ant-launcher-1.9.6.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.ow2.asm/asm/jars/asm-5.0.4.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.ow2.asm/asm-commons/jars/asm-commons-5.0.4.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.ow2.asm/asm-tree/jars/asm-tree-5.0.4.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.apache.maven/maven-plugin-api/jars/maven-plugin-api-3.3.3.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.apache.maven/maven-model/jars/maven-model-3.3.3.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.codehaus.plexus/plexus-utils/jars/plexus-utils-3.0.20.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.apache.maven/maven-artifact/jars/maven-artifact-3.3.3.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.eclipse.sisu/org.eclipse.sisu.plexus/eclipse-plugins/org.eclipse.sisu.plexus-0.3.0.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/javax.enterprise/cdi-api/jars/cdi-api-1.0.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/javax.annotation/jsr250-api/jars/jsr250-api-1.0.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/javax.inject/javax.inject/jars/javax.inject-1.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.eclipse.sisu/org.eclipse.sisu.inject/eclipse-plugins/org.eclipse.sisu.inject-0.3.0.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.codehaus.plexus/plexus-component-annotations/jars/plexus-component-annotations-1.5.5.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.codehaus.plexus/plexus-classworlds/bundles/plexus-classworlds-2.5.2.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/biz.aQute.bnd/biz.aQute.bnd/jars/biz.aQute.bnd-2.4.1.jar!/" /> + <root url="jar://$USER_HOME$/.sbt/boot/scala-2.10.5/lib/scala-library.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/sbt/jars/sbt-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/main/jars/main-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/actions/jars/actions-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/classpath/jars/classpath-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.sbt/boot/scala-2.10.5/lib/scala-compiler.jar!/" /> + <root url="jar://$USER_HOME$/.sbt/boot/scala-2.10.5/lib/scala-reflect.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/interface/jars/interface-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/io/jars/io-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/control/jars/control-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/launcher-interface/jars/launcher-interface-1.0.0-M1.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/completion/jars/completion-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/collections/jars/collections-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/jline/jline/jars/jline-2.11.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/api/jars/api-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/compiler-integration/jars/compiler-integration-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/incremental-compiler/jars/incremental-compiler-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/logging/jars/logging-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/process/jars/process-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/relation/jars/relation-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/compile/jars/compile-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/classfile/jars/classfile-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/persist/jars/persist-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-tools.sbinary/sbinary_2.10/jars/sbinary_2.10-0.4.2.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/compiler-ivy-integration/jars/compiler-ivy-integration-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/ivy/jars/ivy-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/cross/jars/cross-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt.ivy/ivy/jars/ivy-2.3.0-sbt-c5d1b95fdcc1e1007740ffbecf4eb07abc51ec93.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/com.jcraft/jsch/jars/jsch-0.1.46.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/serialization_2.10/jars/serialization_2.10-0.1.1.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-lang.modules/scala-pickling_2.10/jars/scala-pickling_2.10-0.10.0.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scalamacros/quasiquotes_2.10/jars/quasiquotes_2.10-2.0.1.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.json4s/json4s-core_2.10/jars/json4s-core_2.10-3.2.10.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.json4s/json4s-ast_2.10/jars/json4s-ast_2.10-3.2.10.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/com.thoughtworks.paranamer/paranamer/jars/paranamer-2.6.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.spire-math/jawn-parser_2.10/jars/jawn-parser_2.10-0.6.0.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.spire-math/json4s-support_2.10/jars/json4s-support_2.10-0.6.0.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/run/jars/run-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/task-system/jars/task-system-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/tasks/jars/tasks-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/tracking/jars/tracking-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/cache/jars/cache-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/testing/jars/testing-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/test-agent/jars/test-agent-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/test-interface/jars/test-interface-1.0.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/main-settings/jars/main-settings-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/apply-macro/jars/apply-macro-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/command/jars/command-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/logic/jars/logic-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/compiler-interface/jars/compiler-interface-bin-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/compiler-interface/jars/compiler-interface-src-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/precompiled-2_8_2/jars/compiler-interface-bin-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/precompiled-2_9_2/jars/compiler-interface-bin-0.13.9.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/precompiled-2_9_3/jars/compiler-interface-bin-0.13.9.jar!/" /> + </CLASSES> + <JAVADOC /> + <SOURCES> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/main/srcs/main-0.13.9-sources.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-lang/scala-library/srcs/scala-library-2.10.5-sources.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-lang/scala-reflect/srcs/scala-reflect-2.10.5-sources.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-lang/scala-compiler/srcs/scala-compiler-2.10.5-sources.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/actions/srcs/actions-0.13.9-sources.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/sbt/srcs/sbt-0.13.9-sources.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/run/srcs/run-0.13.9-sources.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/test-interface/srcs/test-interface-1.0-sources.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/testing/srcs/testing-0.13.9-sources.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/tasks/srcs/tasks-0.13.9-sources.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/ivy/srcs/ivy-0.13.9-sources.jar!/" /> + <root url="jar://$USER_HOME$/.ivy2/cache/org.scala-sbt/completion/srcs/completion-0.13.9-sources.jar!/" /> + </SOURCES> + </library> + </orderEntry> + </component> +</module>
\ No newline at end of file diff --git a/src/intellij/scala.ipr.SAMPLE b/src/intellij/scala.ipr.SAMPLE index 47ac2be188..420f559097 100644 --- a/src/intellij/scala.ipr.SAMPLE +++ b/src/intellij/scala.ipr.SAMPLE @@ -46,6 +46,7 @@ <module fileurl="file://$PROJECT_DIR$/reflect.iml" filepath="$PROJECT_DIR$/reflect.iml" /> <module fileurl="file://$PROJECT_DIR$/repl.iml" filepath="$PROJECT_DIR$/repl.iml" /> <module fileurl="file://$PROJECT_DIR$/scala.iml" filepath="$PROJECT_DIR$/scala.iml" /> + <module fileurl="file://$PROJECT_DIR$/scala-build.iml" filepath="$PROJECT_DIR$/scala-build.iml" /> <module fileurl="file://$PROJECT_DIR$/scaladoc.iml" filepath="$PROJECT_DIR$/scaladoc.iml" /> <module fileurl="file://$PROJECT_DIR$/scalap.iml" filepath="$PROJECT_DIR$/scalap.iml" /> <module fileurl="file://$PROJECT_DIR$/test.iml" filepath="$PROJECT_DIR$/test.iml" /> @@ -125,4 +126,4 @@ <SOURCES /> </library> </component> -</project>
\ No newline at end of file +</project> diff --git a/src/library/scala/collection/Iterator.scala b/src/library/scala/collection/Iterator.scala index ed536f10a8..8d88b1c6b1 100644 --- a/src/library/scala/collection/Iterator.scala +++ b/src/library/scala/collection/Iterator.scala @@ -10,7 +10,7 @@ package scala package collection import mutable.ArrayBuffer -import scala.annotation.migration +import scala.annotation.{tailrec, migration} import immutable.Stream import scala.collection.generic.CanBuildFrom import scala.annotation.unchecked.{ uncheckedVariance => uV } @@ -168,8 +168,10 @@ object Iterator { private[scala] final class ConcatIterator[+A](private[this] var current: Iterator[A], initial: Vector[() => Iterator[A]]) extends Iterator[A] { @deprecated def this(initial: Vector[() => Iterator[A]]) = this(Iterator.empty, initial) // for binary compatibility private[this] var queue: Vector[() => Iterator[A]] = initial + private[this] var currentHasNextChecked = false // Advance current to the next non-empty iterator // current is set to null when all iterators are exhausted + @tailrec private[this] def advance(): Boolean = { if (queue.isEmpty) { current = null @@ -178,20 +180,57 @@ object Iterator { else { current = queue.head() queue = queue.tail - current.hasNext || advance() + if (current.hasNext) { + currentHasNextChecked = true + true + } else advance() } } - def hasNext = (current ne null) && (current.hasNext || advance()) - def next() = if (hasNext) current.next else Iterator.empty.next + def hasNext = + if (currentHasNextChecked) true + else if (current eq null) false + else if (current.hasNext) { + currentHasNextChecked = true + true + } else advance() + def next() = + if (hasNext) { + currentHasNextChecked = false + current.next() + } else Iterator.empty.next() override def ++[B >: A](that: => GenTraversableOnce[B]): Iterator[B] = new ConcatIterator(current, queue :+ (() => that.toIterator)) } private[scala] final class JoinIterator[+A](lhs: Iterator[A], that: => GenTraversableOnce[A]) extends Iterator[A] { + private[this] var state = 0 // 0: lhs not checked, 1: lhs has next, 2: switched to rhs private[this] lazy val rhs: Iterator[A] = that.toIterator - def hasNext = lhs.hasNext || rhs.hasNext - def next = if (lhs.hasNext) lhs.next else rhs.next + def hasNext = state match { + case 0 => + if (lhs.hasNext) { + state = 1 + true + } else { + state = 2 + rhs.hasNext + } + case 1 => true + case _ => rhs.hasNext + } + def next() = state match { + case 0 => + if (lhs.hasNext) lhs.next() + else { + state = 2 + rhs.next() + } + case 1 => + state = 0 + lhs.next() + case _ => + rhs.next() + } override def ++[B >: A](that: => GenTraversableOnce[B]) = new ConcatIterator(this, Vector(() => that.toIterator)) diff --git a/src/library/scala/reflect/Manifest.scala b/src/library/scala/reflect/Manifest.scala index 4ff49c44d0..e099853463 100644 --- a/src/library/scala/reflect/Manifest.scala +++ b/src/library/scala/reflect/Manifest.scala @@ -157,6 +157,9 @@ object ManifestFactory { override def newArray(len: Int): Array[Unit] = new Array[Unit](len) override def newWrappedArray(len: Int): WrappedArray[Unit] = new WrappedArray.ofUnit(new Array[Unit](len)) override def newArrayBuilder(): ArrayBuilder[Unit] = new ArrayBuilder.ofUnit() + override protected def arrayClass[T](tp: Class[_]): Class[Array[T]] = + if (tp eq runtimeClass) classOf[Array[scala.runtime.BoxedUnit]].asInstanceOf[Class[Array[T]]] + else super.arrayClass(tp) private def readResolve(): Any = Manifest.Unit } diff --git a/src/library/scala/util/Properties.scala b/src/library/scala/util/Properties.scala index d4a5e2f0e8..7ea597eac9 100644 --- a/src/library/scala/util/Properties.scala +++ b/src/library/scala/util/Properties.scala @@ -105,7 +105,7 @@ private[scala] trait PropertiesTrait { * or "version (unknown)" if it cannot be determined. */ val versionString = "version " + scalaPropOrElse("version.number", "(unknown)") - val copyrightString = scalaPropOrElse("copyright.string", "Copyright 2002-2015, LAMP/EPFL") + val copyrightString = scalaPropOrElse("copyright.string", "Copyright 2002-2016, LAMP/EPFL") /** This is the encoding to use reading in source files, overridden with -encoding. * Note that it uses "prop" i.e. looks in the scala jar, not the system properties. diff --git a/src/scaladoc/scala/tools/nsc/doc/html/page/Template.scala b/src/scaladoc/scala/tools/nsc/doc/html/page/Template.scala index 1b3cfa236f..9daca10e63 100644 --- a/src/scaladoc/scala/tools/nsc/doc/html/page/Template.scala +++ b/src/scaladoc/scala/tools/nsc/doc/html/page/Template.scala @@ -280,7 +280,7 @@ class Template(universe: doc.Universe, generator: DiagramGenerator, tpl: DocTemp { if (Set("epfl", "EPFL").contains(tpl.universe.settings.docfooter.value)) - <div id="footer">Scala programming documentation. Copyright (c) 2003-2015 <a href="http://www.epfl.ch" target="_top">EPFL</a>, with contributions from <a href="http://typesafe.com" target="_top">Typesafe</a>.</div> + <div id="footer">Scala programming documentation. Copyright (c) 2003-2016 <a href="http://www.epfl.ch" target="_top">EPFL</a>, with contributions from <a href="http://typesafe.com" target="_top">Typesafe</a>.</div> else <div id="footer"> { tpl.universe.settings.docfooter.value } </div> } diff --git a/src/scalap/decoder.properties b/src/scalap/decoder.properties index 333f6ce715..9bb8d130ea 100644 --- a/src/scalap/decoder.properties +++ b/src/scalap/decoder.properties @@ -1,2 +1,2 @@ version.number=2.0.1 -copyright.string=(c) 2002-2015 LAMP/EPFL +copyright.string=(c) 2002-2016 LAMP/EPFL |