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authorJason Zaugg <jzaugg@gmail.com>2012-07-08 14:51:12 +0200
committerJason Zaugg <jzaugg@gmail.com>2012-07-08 16:30:10 +0200
commitda587e31782ecbad27bd9d9247100b3ac1827b11 (patch)
tree8518630f7058f3a0387bb0ecdcb63fb23d85ac8d /src/compiler/scala/tools/nsc/typechecker/ContextErrors.scala
parentf2dbe673756302d5f5824fd8d0e6e3b3eb45a57b (diff)
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SI-6042 Improve type selection from volatile type error
- Display the type of the typed qualifier (qual1), to avoid the message "Illegal type selection from volatile type null". - Show the upper bound, which is used to calculate the volatility.
Diffstat (limited to 'src/compiler/scala/tools/nsc/typechecker/ContextErrors.scala')
-rw-r--r--src/compiler/scala/tools/nsc/typechecker/ContextErrors.scala4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/compiler/scala/tools/nsc/typechecker/ContextErrors.scala b/src/compiler/scala/tools/nsc/typechecker/ContextErrors.scala
index 49f5fca19d..ba6c43f9d3 100644
--- a/src/compiler/scala/tools/nsc/typechecker/ContextErrors.scala
+++ b/src/compiler/scala/tools/nsc/typechecker/ContextErrors.scala
@@ -562,7 +562,9 @@ trait ContextErrors {
// SelectFromTypeTree
def TypeSelectionFromVolatileTypeError(tree: Tree, qual: Tree) = {
- issueNormalTypeError(tree, "illegal type selection from volatile type "+qual.tpe)
+ val hiBound = qual.tpe.bounds.hi
+ val addendum = if (hiBound =:= qual.tpe) "" else s" (with upper bound ${hiBound})"
+ issueNormalTypeError(tree, s"illegal type selection from volatile type ${qual.tpe}${addendum}")
setError(tree)
}