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| author | Lex Spoon <lex@lexspoon.org> | 2007-10-02 16:58:39 +0000 |
|---|---|---|
| committer | Lex Spoon <lex@lexspoon.org> | 2007-10-02 16:58:39 +0000 |
| commit | 2a22d4156be506278141446ddd3729aea26ab77f (patch) | |
| tree | 9c8fce62aa7f032a302510bc0d737cce414f3d7b /src | |
| parent | 40884972d9de5933503cd1f75c1a8f42360a8b62 (diff) | |
| download | scala-2a22d4156be506278141446ddd3729aea26ab77f.tar.gz scala-2a22d4156be506278141446ddd3729aea26ab77f.tar.bz2 scala-2a22d4156be506278141446ddd3729aea26ab77f.zip | |
Emit a warning if a user tries to define
their own subclass of ClassfileAnnotation
Diffstat (limited to 'src')
| -rw-r--r-- | src/compiler/scala/tools/nsc/typechecker/Typers.scala | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/Typers.scala b/src/compiler/scala/tools/nsc/typechecker/Typers.scala index 1ef6b935e7..c608617ce0 100644 --- a/src/compiler/scala/tools/nsc/typechecker/Typers.scala +++ b/src/compiler/scala/tools/nsc/typechecker/Typers.scala @@ -1013,6 +1013,11 @@ trait Typers { self: Analyzer => val impl1 = newTyper(context.make(cdef.impl, clazz, scopeFor(cdef.impl))) .typedTemplate(cdef.impl, parentTypes(cdef.impl)) val impl2 = addSyntheticMethods(impl1, clazz, context) + if (clazz isNonBottomSubClass ClassfileAnnotationClass) + unit.warning (cdef.pos, + "implementation restriction: subclassing Classfile does not\n"+ + "make your annotation visible at runtime. If that is what\n"+ + "you want, you must write the annotation class in Java.") copy.ClassDef(cdef, typedMods, cdef.name, tparams1, impl2) .setType(NoType) } |