diff options
Diffstat (limited to 'compiler/src/dotty/tools/dotc/sbt/ExtractAPI.scala')
| -rw-r--r-- | compiler/src/dotty/tools/dotc/sbt/ExtractAPI.scala | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/compiler/src/dotty/tools/dotc/sbt/ExtractAPI.scala b/compiler/src/dotty/tools/dotc/sbt/ExtractAPI.scala index 1fffe6841..7f44af486 100644 --- a/compiler/src/dotty/tools/dotc/sbt/ExtractAPI.scala +++ b/compiler/src/dotty/tools/dotc/sbt/ExtractAPI.scala @@ -6,6 +6,7 @@ import core._, core.Decorators._ import Annotations._, Contexts._, Flags._, Phases._, Trees._, Types._, Symbols._ import Names._, NameOps._, StdNames._ import typer.Inliner +import typer.ErrorReporting.cyclicErrorMsg import dotty.tools.io.Path import java.io.PrintWriter @@ -190,7 +191,16 @@ private class ExtractAPICollector(implicit val ctx: Context) extends ThunkHolder def apiClassStructure(csym: ClassSymbol): api.Structure = { val cinfo = csym.classInfo - val bases = linearizedAncestorTypes(cinfo) + val bases = + try linearizedAncestorTypes(cinfo) + catch { + case ex: CyclicReference => + // See neg/i1750a for an example where a cyclic error can arise. + // The root cause in this example is an illegal "override" of an inner trait + ctx.error(cyclicErrorMsg(ex), csym.pos) + defn.ObjectType :: Nil + } + val apiBases = bases.map(apiType) // Synthetic methods that are always present do not affect the API |