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Add -Yprint-tasty compiler flag #17986

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Merged
merged 1 commit into from
Jun 21, 2023
Merged

Add -Yprint-tasty compiler flag #17986

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1 change: 1 addition & 0 deletions compiler/src/dotty/tools/dotc/config/ScalaSettings.scala
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Expand Up @@ -353,6 +353,7 @@ private sealed trait YSettings:
val YprintDebugOwners: Setting[Boolean] = BooleanSetting("-Yprint-debug-owners", "When printing trees, print owners of definitions.")
val YprintLevel: Setting[Boolean] = BooleanSetting("-Yprint-level", "print nesting levels of symbols and type variables.")
val YshowPrintErrors: Setting[Boolean] = BooleanSetting("-Yshow-print-errors", "Don't suppress exceptions thrown during tree printing.")
val YprintTasty: Setting[Boolean] = BooleanSetting("-Yprint-tasty", "Prints the generated TASTY to stdout.")
val YtestPickler: Setting[Boolean] = BooleanSetting("-Ytest-pickler", "Self-test for pickling functionality; should be used with -Ystop-after:pickler.")
val YcheckReentrant: Setting[Boolean] = BooleanSetting("-Ycheck-reentrant", "Check that compiled program does not contain vars that can be accessed from a global root.")
val YdropComments: Setting[Boolean] = BooleanSetting("-Ydrop-docs", "Drop documentation when scanning source files.", aliases = List("-Ydrop-comments"))
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3 changes: 2 additions & 1 deletion compiler/src/dotty/tools/dotc/transform/Pickler.scala
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Expand Up @@ -116,9 +116,10 @@ class Pickler extends Phase {
}

// println(i"rawBytes = \n$rawBytes%\n%") // DEBUG
if pickling ne noPrinter then
if ctx.settings.YprintTasty.value || pickling != noPrinter then
println(i"**** pickled info of $cls")
println(TastyPrinter.showContents(pickled, ctx.settings.color.value == "never"))
println(i"**** end of pickled info of $cls")
pickled
}
}
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