diff options
Diffstat (limited to 'compiler/src/dotty/tools/dotc/printing/Showable.scala')
-rw-r--r-- | compiler/src/dotty/tools/dotc/printing/Showable.scala | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/compiler/src/dotty/tools/dotc/printing/Showable.scala b/compiler/src/dotty/tools/dotc/printing/Showable.scala new file mode 100644 index 000000000..efddb26f7 --- /dev/null +++ b/compiler/src/dotty/tools/dotc/printing/Showable.scala @@ -0,0 +1,34 @@ +package dotty.tools.dotc +package printing + +import core._ + +import Contexts._, Texts._, Decorators._ +import config.Config.summarizeDepth +import scala.util.control.NonFatal + +trait Showable extends Any { + + /** The text representation of this showable element. + * This normally dispatches to a pattern matching + * method in Printers. + */ + def toText(printer: Printer): Text + + /** A fallback text representation, if the pattern matching + * in Printers does not have a case for this showable element + */ + def fallbackToText(printer: Printer): Text = toString + + /** The string representation of this showable element. */ + def show(implicit ctx: Context): String = toText(ctx.printer).show + + /** The summarized string representation of this showable element. + * Recursion depth is limited to some smallish value. Default is + * Config.summarizeDepth. + */ + def showSummary(depth: Int)(implicit ctx: Context): String = + ctx.printer.summarized(depth)(show) + + def showSummary(implicit ctx: Context): String = showSummary(summarizeDepth) +} |