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author | Martin Odersky <odersky@gmail.com> | 2013-12-22 18:34:00 +0100 |
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committer | Martin Odersky <odersky@gmail.com> | 2013-12-22 18:58:18 +0100 |
commit | 6ed666c4be5bc4904c926a265d711b85f729d4b3 (patch) | |
tree | bfd51f640ecd89eb3a6d111213747af77c68dde2 /src/dotty/tools/dotc/typer/Typer.scala | |
parent | 108be8880688653de490975f29f6ae469e9f3e6a (diff) | |
download | dotty-6ed666c4be5bc4904c926a265d711b85f729d4b3.tar.gz dotty-6ed666c4be5bc4904c926a265d711b85f729d4b3.tar.bz2 dotty-6ed666c4be5bc4904c926a265d711b85f729d4b3.zip |
Typing by-name parameters with ExprTypes.
To avoid duplication between by-name parameters and expr types, we treat by-name parameters as as having ExprType. A part of this is introducing ByNameTypeTree, a specific tree class for => T types.
Diffstat (limited to 'src/dotty/tools/dotc/typer/Typer.scala')
-rw-r--r-- | src/dotty/tools/dotc/typer/Typer.scala | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/dotty/tools/dotc/typer/Typer.scala b/src/dotty/tools/dotc/typer/Typer.scala index 54a299291..99d5f6b98 100644 --- a/src/dotty/tools/dotc/typer/Typer.scala +++ b/src/dotty/tools/dotc/typer/Typer.scala @@ -707,6 +707,11 @@ class Typer extends Namer with Applications with Implicits { cpy.AppliedTypeTree(tree, tpt1, args1) withType tpt1.tpe.appliedTo(args1.tpes) } + def typedByNameTypeTree(tree: untpd.ByNameTypeTree)(implicit ctx: Context): ByNameTypeTree = track("typedByNameTypeTree") { + val result1 = typed(tree.result) + cpy.ByNameTypeTree(tree, result1) withType ExprType(result1.tpe) + } + def typedTypeBoundsTree(tree: untpd.TypeBoundsTree)(implicit ctx: Context): TypeBoundsTree = track("typedTypeBoundsTree") { val TypeBoundsTree(lo, hi) = desugar.typeBoundsTree(tree) val lo1 = typed(lo) @@ -875,6 +880,7 @@ class Typer extends Namer with Applications with Implicits { case tree: untpd.OrTypeTree => typedOrTypeTree(tree) case tree: untpd.RefinedTypeTree => typedRefinedTypeTree(tree) case tree: untpd.AppliedTypeTree => typedAppliedTypeTree(tree) + case tree: untpd.ByNameTypeTree => typedByNameTypeTree(tree) case tree: untpd.TypeBoundsTree => typedTypeBoundsTree(tree) case tree: untpd.Alternative => typedAlternative(tree, pt) case tree: untpd.Import => typedImport(tree, sym) |