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Adds debug logging for synthetic registration.

Investigatory tools for SI-5877
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1 parent fd57069 commit 65c1ae52799587a1de462419ce8c330ddf58193d @retronym retronym committed Dec 4, 2012
Showing with 18 additions and 2 deletions.
  1. +18 −2 src/compiler/scala/tools/nsc/CompilationUnits.scala
@@ -23,7 +23,7 @@ trait CompilationUnits { self: Global =>
/** One unit of compilation that has been submitted to the compiler.
* It typically corresponds to a single file of source code. It includes
* error-reporting hooks. */
- class CompilationUnit(val source: SourceFile) extends CompilationUnitContextApi {
+ class CompilationUnit(val source: SourceFile) extends CompilationUnitContextApi { self =>
/** the fresh name creator */
var fresh: FreshNameCreator = new FreshNameCreator.Default
@@ -57,7 +57,23 @@ trait CompilationUnits { self: Global =>
/** Synthetic definitions generated by namer, eliminated by typer.
*/
- val synthetics = mutable.HashMap[Symbol, Tree]()
+ object synthetics {
+ private val map = mutable.HashMap[Symbol, Tree]()
+ def update(sym: Symbol, tree: Tree) {
+ debuglog(s"adding synthetic ($sym, $tree) to $self")
+ map.update(sym, tree)
+ }
+ def -=(sym: Symbol) {
+ debuglog(s"removing synthetic $sym from $self")
+ map -= sym
+ }
+ def get(sym: Symbol): Option[Tree] = logResultIf[Option[Tree]](s"found synthetic for $sym in $self", _.isDefined) {
+ map get sym
+ }
+ def keys: Iterable[Symbol] = map.keys
+ def clear(): Unit = map.clear()
+ override def toString = map.toString
+ }
/** things to check at end of compilation unit */
val toCheck = new ListBuffer[() => Unit]

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