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• Showable.scala

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dotty.tools.dotc.printing.Showable.scala Maven / Gradle / Ivy

package dotty.tools.dotc
package printing

import core._

import Contexts._, Texts._, Decorators._
import config.Config.summarizeDepth

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)
}