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author | Eugene Burmako <xeno.by@gmail.com> | 2012-12-29 05:22:31 -0800 |
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committer | Eugene Burmako <xeno.by@gmail.com> | 2012-12-29 05:22:31 -0800 |
commit | 26c27d831db5d68c4b65c0f1eb6d7286798814b5 (patch) | |
tree | cb8fd8b0144f15a4d579b79390ea58170f364f6d /src/compiler/scala/tools/nsc/typechecker/Macros.scala | |
parent | 8c7e034d528017afea18e9f345be71f7485380ee (diff) | |
parent | 48cdfefb95ee43ded08688d6c99a8c3a32d47f18 (diff) | |
download | scala-26c27d831db5d68c4b65c0f1eb6d7286798814b5.tar.gz scala-26c27d831db5d68c4b65c0f1eb6d7286798814b5.tar.bz2 scala-26c27d831db5d68c4b65c0f1eb6d7286798814b5.zip |
Merge pull request #1818 from scalamacros/topic/auto-duplicate-expansions
macro expansions are now auto-duplicated
Diffstat (limited to 'src/compiler/scala/tools/nsc/typechecker/Macros.scala')
-rw-r--r-- | src/compiler/scala/tools/nsc/typechecker/Macros.scala | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/Macros.scala b/src/compiler/scala/tools/nsc/typechecker/Macros.scala index 6ed879af14..768d739b4b 100644 --- a/src/compiler/scala/tools/nsc/typechecker/Macros.scala +++ b/src/compiler/scala/tools/nsc/typechecker/Macros.scala @@ -694,9 +694,11 @@ trait Macros extends scala.tools.reflect.FastTrack with Traces { var expectedTpe = expandee.tpe if (isNullaryInvocation(expandee)) expectedTpe = expectedTpe.finalResultType - var typechecked = typecheck("macro def return type", expanded, expectedTpe) - typechecked = typecheck("expected type", typechecked, pt) - typechecked + // also see http://groups.google.com/group/scala-internals/browse_thread/thread/492560d941b315cc + val expanded0 = duplicateAndKeepPositions(expanded) + val expanded1 = typecheck("macro def return type", expanded0, expectedTpe) + val expanded2 = typecheck("expected type", expanded1, pt) + expanded2 } finally { popMacroContext() } |