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author | Josh Suereth <Joshua.Suereth@gmail.com> | 2012-10-09 08:54:10 -0700 |
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committer | Josh Suereth <Joshua.Suereth@gmail.com> | 2012-10-09 08:54:10 -0700 |
commit | 7ca76c8b3bef2d46333b4571806b126533239cda (patch) | |
tree | b8e1505229add5ec116ca7ff682078c8e5c64c37 /src/compiler | |
parent | 859ec02495993f225647df50397b042a3172351b (diff) | |
parent | 49dcb8ff33483949cecce671a2d87676cefa457f (diff) | |
download | scala-7ca76c8b3bef2d46333b4571806b126533239cda.tar.gz scala-7ca76c8b3bef2d46333b4571806b126533239cda.tar.bz2 scala-7ca76c8b3bef2d46333b4571806b126533239cda.zip |
Merge pull request #1458 from scalamacros/pullrequest/reflection
Another reflection bomb
Diffstat (limited to 'src/compiler')
9 files changed, 29 insertions, 35 deletions
diff --git a/src/compiler/scala/reflect/macros/runtime/Parsers.scala b/src/compiler/scala/reflect/macros/runtime/Parsers.scala index ab9b94ec9f..566bcde73d 100644 --- a/src/compiler/scala/reflect/macros/runtime/Parsers.scala +++ b/src/compiler/scala/reflect/macros/runtime/Parsers.scala @@ -19,6 +19,6 @@ trait Parsers { } catch { case ToolBoxError(msg, cause) => // todo. provide a position - throw new ParseError(universe.NoPosition, msg) + throw new ParseException(universe.NoPosition, msg) } } diff --git a/src/compiler/scala/reflect/macros/runtime/Typers.scala b/src/compiler/scala/reflect/macros/runtime/Typers.scala index 9fa8567ada..be70181126 100644 --- a/src/compiler/scala/reflect/macros/runtime/Typers.scala +++ b/src/compiler/scala/reflect/macros/runtime/Typers.scala @@ -25,7 +25,7 @@ trait Typers { result case error @ universe.analyzer.SilentTypeError(_) => macroLogVerbose(error.err.errMsg) - if (!silent) throw new universe.TypeError(error.err.errPos, error.err.errMsg) + if (!silent) throw new TypecheckException(error.err.errPos, error.err.errMsg) universe.EmptyTree }) } @@ -49,19 +49,13 @@ trait Typers { wrapper(universe.analyzer.inferImplicit(tree, pt, reportAmbiguous = true, isView = isView, context = context, saveAmbiguousDivergent = !silent, pos = pos)) match { case failure if failure.tree.isEmpty => macroLogVerbose("implicit search has failed. to find out the reason, turn on -Xlog-implicits") - if (context.hasErrors) throw new universe.TypeError(context.errBuffer.head.errPos, context.errBuffer.head.errMsg) + if (context.hasErrors) throw new TypecheckException(context.errBuffer.head.errPos, context.errBuffer.head.errMsg) universe.EmptyTree case success => success.tree } } - type TypeError = universe.TypeError - - object TypeError extends TypeErrorExtractor { - def unapply(error: TypeError): Option[(Position, String)] = Some((error.pos, error.msg)) - } - def resetAllAttrs(tree: Tree): Tree = universe.resetAllAttrs(tree) def resetLocalAttrs(tree: Tree): Tree = universe.resetLocalAttrs(tree) diff --git a/src/compiler/scala/reflect/reify/Errors.scala b/src/compiler/scala/reflect/reify/Errors.scala index 73c13901b6..c25112941c 100644 --- a/src/compiler/scala/reflect/reify/Errors.scala +++ b/src/compiler/scala/reflect/reify/Errors.scala @@ -1,7 +1,7 @@ package scala.reflect.reify -import scala.reflect.macros.ReificationError -import scala.reflect.macros.UnexpectedReificationError +import scala.reflect.macros.ReificationException +import scala.reflect.macros.UnexpectedReificationException trait Errors { self: Reifier => @@ -19,17 +19,17 @@ trait Errors { def CannotReifyType(tpe: Type) = { val msg = "implementation restriction: cannot reify type %s (%s)".format(tpe, tpe.kind) - throw new ReificationError(defaultErrorPosition, msg) + throw new ReificationException(defaultErrorPosition, msg) } def CannotReifySymbol(sym: Symbol) = { val msg = "implementation restriction: cannot reify symbol %s (%s)".format(sym, sym.accurateKindString) - throw new ReificationError(defaultErrorPosition, msg) + throw new ReificationException(defaultErrorPosition, msg) } def CannotReifyWeakType(details: Any) = { val msg = "cannot create a TypeTag" + details - throw new ReificationError(defaultErrorPosition, msg) + throw new ReificationException(defaultErrorPosition, msg) } def CannotConvertManifestToTagWithoutScalaReflect(tpe: Type, manifestInScope: Tree) = { @@ -37,7 +37,7 @@ trait Errors { |to create a type tag here, it is necessary to interoperate with the manifest `$manifestInScope` in scope. |however manifest -> typetag conversion requires Scala reflection, which is not present on the classpath. |to proceed put scala-reflect.jar on your compilation classpath and recompile.""".trim.stripMargin - throw new ReificationError(defaultErrorPosition, msg) + throw new ReificationException(defaultErrorPosition, msg) } def CannotReifyRuntimeSplice(tree: Tree) = { @@ -46,7 +46,7 @@ trait Errors { |cross-stage evaluations need to be invoked explicitly, so we're showing you this error. |if you're sure this is not an oversight, add scala-compiler.jar to the classpath, |import `scala.tools.reflect.Eval` and call `<your expr>.eval` instead.""".trim.stripMargin - throw new ReificationError(tree.pos, msg) + throw new ReificationException(tree.pos, msg) } // unexpected errors: these can never happen under normal conditions unless there's a bug in the compiler (or in a compiler plugin or in a macro) @@ -54,21 +54,21 @@ trait Errors { def CannotReifyUntypedPrefix(prefix: Tree) = { val msg = "internal error: untyped prefixes are not supported, consider typechecking the prefix before passing it to the reifier" - throw new UnexpectedReificationError(defaultErrorPosition, msg) + throw new UnexpectedReificationException(defaultErrorPosition, msg) } def CannotReifyUntypedReifee(reifee: Any) = { val msg = "internal error: untyped trees are not supported, consider typechecking the reifee before passing it to the reifier" - throw new UnexpectedReificationError(defaultErrorPosition, msg) + throw new UnexpectedReificationException(defaultErrorPosition, msg) } def CannotReifyErroneousPrefix(prefix: Tree) = { val msg = "internal error: erroneous prefixes are not supported, make sure that your prefix has typechecked successfully before passing it to the reifier" - throw new UnexpectedReificationError(defaultErrorPosition, msg) + throw new UnexpectedReificationException(defaultErrorPosition, msg) } def CannotReifyErroneousReifee(reifee: Any) = { val msg = "internal error: erroneous reifees are not supported, make sure that your reifee has typechecked successfully before passing it to the reifier" - throw new UnexpectedReificationError(defaultErrorPosition, msg) + throw new UnexpectedReificationException(defaultErrorPosition, msg) } } diff --git a/src/compiler/scala/reflect/reify/Reifier.scala b/src/compiler/scala/reflect/reify/Reifier.scala index f48fcd8ada..47669f57b0 100644 --- a/src/compiler/scala/reflect/reify/Reifier.scala +++ b/src/compiler/scala/reflect/reify/Reifier.scala @@ -1,8 +1,8 @@ package scala.reflect.reify import scala.tools.nsc.Global -import scala.reflect.macros.ReificationError -import scala.reflect.macros.UnexpectedReificationError +import scala.reflect.macros.ReificationException +import scala.reflect.macros.UnexpectedReificationException import scala.reflect.reify.utils.Utils /** Given a tree or a type, generate a tree that when executed at runtime produces the original tree or type. @@ -132,12 +132,12 @@ abstract class Reifier extends States untyped } catch { - case ex: ReificationError => + case ex: ReificationException => throw ex - case ex: UnexpectedReificationError => + case ex: UnexpectedReificationException => throw ex case ex: Throwable => - throw new UnexpectedReificationError(defaultErrorPosition, "reification crashed", ex) + throw new UnexpectedReificationException(defaultErrorPosition, "reification crashed", ex) } } }
\ No newline at end of file diff --git a/src/compiler/scala/reflect/reify/Taggers.scala b/src/compiler/scala/reflect/reify/Taggers.scala index 7db6394734..cbaee41890 100644 --- a/src/compiler/scala/reflect/reify/Taggers.scala +++ b/src/compiler/scala/reflect/reify/Taggers.scala @@ -1,6 +1,6 @@ package scala.reflect.reify -import scala.reflect.macros.{ReificationError, UnexpectedReificationError} +import scala.reflect.macros.{ReificationException, UnexpectedReificationException, TypecheckException} import scala.reflect.macros.runtime.Context abstract class Taggers { @@ -65,22 +65,22 @@ abstract class Taggers { translatingReificationErrors(materializer) } try c.typeCheck(result) - catch { case terr @ c.TypeError(pos, msg) => failTag(result, terr) } + catch { case terr @ TypecheckException(pos, msg) => failTag(result, terr) } } def materializeExpr(universe: Tree, mirror: Tree, expr: Tree): Tree = { val result = translatingReificationErrors(c.reifyTree(universe, mirror, expr)) try c.typeCheck(result) - catch { case terr @ c.TypeError(pos, msg) => failExpr(result, terr) } + catch { case terr @ TypecheckException(pos, msg) => failExpr(result, terr) } } private def translatingReificationErrors(materializer: => Tree): Tree = { try materializer catch { - case ReificationError(pos, msg) => + case ReificationException(pos, msg) => c.error(pos.asInstanceOf[c.Position], msg) // this cast is a very small price for the sanity of exception handling EmptyTree - case UnexpectedReificationError(pos, err, cause) if cause != null => + case UnexpectedReificationException(pos, err, cause) if cause != null => throw cause } } diff --git a/src/compiler/scala/reflect/reify/package.scala b/src/compiler/scala/reflect/reify/package.scala index 5a23ab7214..55f8684df2 100644 --- a/src/compiler/scala/reflect/reify/package.scala +++ b/src/compiler/scala/reflect/reify/package.scala @@ -1,7 +1,7 @@ package scala.reflect import scala.language.implicitConversions -import scala.reflect.macros.{Context, ReificationError, UnexpectedReificationError} +import scala.reflect.macros.{Context, ReificationException, UnexpectedReificationException} import scala.tools.nsc.Global package object reify { @@ -53,7 +53,7 @@ package object reify { if (tpe.isSpliceable) { val classTagInScope = typer0.resolveClassTag(enclosingMacroPosition, tpe, allowMaterialization = false) if (!classTagInScope.isEmpty) return Select(classTagInScope, nme.runtimeClass) - if (concrete) throw new ReificationError(enclosingMacroPosition, "tpe %s is an unresolved spliceable type".format(tpe)) + if (concrete) throw new ReificationException(enclosingMacroPosition, "tpe %s is an unresolved spliceable type".format(tpe)) } tpe.normalize match { diff --git a/src/compiler/scala/reflect/reify/utils/SymbolTables.scala b/src/compiler/scala/reflect/reify/utils/SymbolTables.scala index 3ec43c863d..dbb0836e0a 100644 --- a/src/compiler/scala/reflect/reify/utils/SymbolTables.scala +++ b/src/compiler/scala/reflect/reify/utils/SymbolTables.scala @@ -28,7 +28,7 @@ trait SymbolTables { symtab.get(sym) match { case Some(FreeDef(_, name, _, _, _)) => name case Some(SymDef(_, name, _, _)) => name - case None => EmptyTermName + case None => nme.EMPTY } def symAliases(sym: Symbol): List[TermName] = diff --git a/src/compiler/scala/tools/reflect/MacroImplementations.scala b/src/compiler/scala/tools/reflect/MacroImplementations.scala index 48a4811744..86cd845c54 100644 --- a/src/compiler/scala/tools/reflect/MacroImplementations.scala +++ b/src/compiler/scala/tools/reflect/MacroImplementations.scala @@ -1,6 +1,6 @@ package scala.tools.reflect -import scala.reflect.macros.{ReificationError, UnexpectedReificationError} +import scala.reflect.macros.{ReificationException, UnexpectedReificationException} import scala.reflect.macros.runtime.Context import scala.collection.mutable.ListBuffer import scala.collection.mutable.Stack diff --git a/src/compiler/scala/tools/util/PathResolver.scala b/src/compiler/scala/tools/util/PathResolver.scala index f6dc92f96e..7cf3586d3d 100644 --- a/src/compiler/scala/tools/util/PathResolver.scala +++ b/src/compiler/scala/tools/util/PathResolver.scala @@ -195,7 +195,7 @@ class PathResolver(settings: Settings, context: JavaContext) { def scalaExtDirs = cmdLineOrElse("extdirs", Defaults.scalaExtDirs) /** Scaladoc doesn't need any bootstrapping, otherwise will create errors such as: * [scaladoc] ../scala-trunk/src/reflect/scala/reflect/macros/Reifiers.scala:89: error: object api is not a member of package reflect - * [scaladoc] case class ReificationError(val pos: reflect.api.PositionApi, val msg: String) extends Throwable(msg) + * [scaladoc] case class ReificationException(val pos: reflect.api.PositionApi, val msg: String) extends Throwable(msg) * [scaladoc] ^ * because the bootstrapping will look at the sourcepath and create package "reflect" in "<root>" * and then when typing relative names, instead of picking <root>.scala.relect, typedIdentifier will pick up the |