src/Tools/jEdit/src/rendering.scala
author wenzelm
Thu Dec 13 13:52:18 2012 +0100 (2012-12-13)
changeset 50500 c94bba7906d2
parent 50499 f496b2b7bafb
child 50501 6f41f1646617
permissions -rw-r--r--
identify dialogs via official serial and maintain as result message;
clarified Protocol.is_inlined: suppress result/tracing/state messages uniformly;
cumulate_markup/select_markup depending on command state;
explicit Rendering.output_messages;
tuned source structure;
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/*  Title:      Tools/jEdit/src/rendering.scala
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    Author:     Makarius
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Isabelle-specific implementation of quasi-abstract rendering and
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markup interpretation.
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*/
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package isabelle.jedit
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import isabelle._
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import java.awt.Color
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import javax.swing.Icon
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import org.gjt.sp.jedit.syntax.{Token => JEditToken}
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import org.gjt.sp.jedit.{jEdit, GUIUtilities}
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import scala.collection.immutable.SortedMap
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object Rendering
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{
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  def apply(snapshot: Document.Snapshot, options: Options): Rendering =
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    new Rendering(snapshot, options)
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  /* message priorities */
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  private val writeln_pri = 1
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  private val tracing_pri = 2
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  private val warning_pri = 3
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  private val legacy_pri = 4
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  private val error_pri = 5
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  private val message_pri = Map(
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    Markup.WRITELN -> writeln_pri, Markup.WRITELN_MESSAGE -> writeln_pri,
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    Markup.TRACING -> tracing_pri, Markup.TRACING_MESSAGE -> tracing_pri,
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    Markup.WARNING -> warning_pri, Markup.WARNING_MESSAGE -> warning_pri,
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    Markup.ERROR -> error_pri, Markup.ERROR_MESSAGE -> error_pri)
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  /* icons */
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  private def load_icon(name: String): Icon =
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  {
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    val icon = GUIUtilities.loadIcon(name)
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    if (icon.getIconWidth < 0 || icon.getIconHeight < 0) error("Bad icon: " + name)
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    else icon
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  }
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  private val gutter_icons = Map(
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    warning_pri -> load_icon("16x16/status/dialog-information.png"),
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    legacy_pri -> load_icon("16x16/status/dialog-warning.png"),
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    error_pri -> load_icon("16x16/status/dialog-error.png"))
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  val tooltip_close_icon = load_icon("16x16/actions/document-close.png")
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  val tooltip_detach_icon = load_icon("16x16/actions/window-new.png")
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  /* jEdit font */
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  def font_family(): String = jEdit.getProperty("view.font")
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  def font_size(scale: String): Float =
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    (jEdit.getIntegerProperty("view.fontsize", 16) * PIDE.options.real(scale)).toFloat
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  /* token markup -- text styles */
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  private val command_style: Map[String, Byte] =
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  {
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    import JEditToken._
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    Map[String, Byte](
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      Keyword.THY_END -> KEYWORD2,
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      Keyword.THY_SCRIPT -> LABEL,
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      Keyword.PRF_SCRIPT -> LABEL,
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      Keyword.PRF_ASM -> KEYWORD3,
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      Keyword.PRF_ASM_GOAL -> KEYWORD3
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    ).withDefaultValue(KEYWORD1)
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  }
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  private val token_style: Map[Token.Kind.Value, Byte] =
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  {
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    import JEditToken._
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    Map[Token.Kind.Value, Byte](
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      Token.Kind.KEYWORD -> KEYWORD2,
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      Token.Kind.IDENT -> NULL,
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      Token.Kind.LONG_IDENT -> NULL,
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      Token.Kind.SYM_IDENT -> NULL,
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      Token.Kind.VAR -> NULL,
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      Token.Kind.TYPE_IDENT -> NULL,
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      Token.Kind.TYPE_VAR -> NULL,
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      Token.Kind.NAT -> NULL,
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      Token.Kind.FLOAT -> NULL,
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      Token.Kind.STRING -> LITERAL1,
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      Token.Kind.ALT_STRING -> LITERAL2,
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      Token.Kind.VERBATIM -> COMMENT3,
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      Token.Kind.SPACE -> NULL,
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      Token.Kind.COMMENT -> COMMENT1,
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      Token.Kind.ERROR -> INVALID
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    ).withDefaultValue(NULL)
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  }
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  def token_markup(syntax: Outer_Syntax, token: Token): Byte =
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    if (token.is_command) command_style(syntax.keyword_kind(token.content).getOrElse(""))
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    else if (token.is_operator) JEditToken.OPERATOR
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    else token_style(token.kind)
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}
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class Rendering private(val snapshot: Document.Snapshot, val options: Options)
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{
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  /* colors */
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  def color_value(s: String): Color = Color_Value(options.string(s))
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  val outdated_color = color_value("outdated_color")
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  val unprocessed_color = color_value("unprocessed_color")
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  val unprocessed1_color = color_value("unprocessed1_color")
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  val running_color = color_value("running_color")
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  val running1_color = color_value("running1_color")
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  val light_color = color_value("light_color")
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  val tooltip_color = color_value("tooltip_color")
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  val writeln_color = color_value("writeln_color")
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  val warning_color = color_value("warning_color")
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  val error_color = color_value("error_color")
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  val error1_color = color_value("error1_color")
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  val writeln_message_color = color_value("writeln_message_color")
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  val tracing_message_color = color_value("tracing_message_color")
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  val warning_message_color = color_value("warning_message_color")
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  val error_message_color = color_value("error_message_color")
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  val bad_color = color_value("bad_color")
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  val intensify_color = color_value("intensify_color")
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  val quoted_color = color_value("quoted_color")
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  val highlight_color = color_value("highlight_color")
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  val hyperlink_color = color_value("hyperlink_color")
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  val active_color = color_value("active_color")
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  val active_hover_color = color_value("active_hover_color")
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  val active_result_color = color_value("active_result_color")
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  val keyword1_color = color_value("keyword1_color")
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  val keyword2_color = color_value("keyword2_color")
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  val tfree_color = color_value("tfree_color")
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  val tvar_color = color_value("tvar_color")
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  val free_color = color_value("free_color")
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  val skolem_color = color_value("skolem_color")
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  val bound_color = color_value("bound_color")
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  val var_color = color_value("var_color")
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  val inner_numeral_color = color_value("inner_numeral_color")
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  val inner_quoted_color = color_value("inner_quoted_color")
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  val inner_comment_color = color_value("inner_comment_color")
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  val antiquotation_color = color_value("antiquotation_color")
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  val dynamic_color = color_value("dynamic_color")
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  /* command overview */
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  val overview_limit = options.int("jedit_text_overview_limit")
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  def overview_color(range: Text.Range): Option[Color] =
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  {
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    if (snapshot.is_outdated) None
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    else {
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      val results =
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        snapshot.cumulate_markup[(Protocol.Status, Int)](
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          range, (Protocol.Status.init, 0),
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          Some(Protocol.command_status_markup + Markup.WARNING + Markup.ERROR), _ =>
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          {
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            case ((status, pri), Text.Info(_, XML.Elem(markup, _))) =>
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              if (markup.name == Markup.WARNING || markup.name == Markup.ERROR)
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                (status, pri max Rendering.message_pri(markup.name))
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              else (Protocol.command_status(status, markup), pri)
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          })
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      if (results.isEmpty) None
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      else {
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        val (status, pri) =
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          ((Protocol.Status.init, 0) /: results) {
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            case ((s1, p1), Text.Info(_, (s2, p2))) => (s1 + s2, p1 max p2) }
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        if (pri == Rendering.warning_pri) Some(warning_color)
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        else if (pri == Rendering.error_pri) Some(error_color)
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        else if (status.is_unprocessed) Some(unprocessed_color)
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        else if (status.is_running) Some(running_color)
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        else if (status.is_failed) Some(error_color)
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        else None
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      }
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    }
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  }
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  /* markup selectors */
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  private val highlight_include =
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    Set(Markup.SORT, Markup.TYP, Markup.TERM, Markup.PROP, Markup.ML_TYPING, Markup.TOKEN_RANGE,
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      Markup.ENTITY, Markup.PATH, Markup.SORTING, Markup.TYPING, Markup.FREE, Markup.SKOLEM,
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      Markup.BOUND, Markup.VAR, Markup.TFREE, Markup.TVAR, Markup.ML_SOURCE, Markup.DOCUMENT_SOURCE)
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  def highlight(range: Text.Range): Option[Text.Info[Color]] =
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  {
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    snapshot.select_markup(range, Some(highlight_include), _ =>
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        {
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          case Text.Info(info_range, XML.Elem(Markup(name, _), _)) if highlight_include(name) =>
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            Text.Info(snapshot.convert(info_range), highlight_color)
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        }) match { case Text.Info(_, info) #:: _ => Some(info) case _ => None }
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  }
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  private val hyperlink_include = Set(Markup.ENTITY, Markup.PATH)
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  def hyperlink(range: Text.Range): Option[Text.Info[Hyperlink]] =
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  {
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    snapshot.cumulate_markup[List[Text.Info[Hyperlink]]](range, Nil, Some(hyperlink_include), _ =>
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        {
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          case (links, Text.Info(info_range, XML.Elem(Markup.Path(name), _)))
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          if Path.is_ok(name) =>
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            val jedit_file = PIDE.thy_load.append(snapshot.node_name.dir, Path.explode(name))
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            Text.Info(snapshot.convert(info_range), Hyperlink(jedit_file, 0, 0)) :: links
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          case (links, Text.Info(info_range, XML.Elem(Markup(Markup.ENTITY, props), _)))
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          if !props.exists(
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            { case (Markup.KIND, Markup.ML_OPEN) => true
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              case (Markup.KIND, Markup.ML_STRUCT) => true
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              case _ => false }) =>
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            props match {
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              case Position.Def_Line_File(line, name) if Path.is_ok(name) =>
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                Isabelle_System.source_file(Path.explode(name)) match {
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                  case Some(path) =>
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                    val jedit_file = Isabelle_System.platform_path(path)
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                    Text.Info(snapshot.convert(info_range), Hyperlink(jedit_file, line, 0)) :: links
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                  case None => links
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                }
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              case Position.Def_Id_Offset(id, offset) =>
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                snapshot.state.find_command(snapshot.version, id) match {
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                  case Some((node, command)) =>
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                    val sources =
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                      node.commands.iterator.takeWhile(_ != command).map(_.source) ++
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                        Iterator.single(command.source(Text.Range(0, command.decode(offset))))
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                    val (line, column) = ((1, 1) /: sources)(Symbol.advance_line_column)
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                    Text.Info(snapshot.convert(info_range),
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                      Hyperlink(command.node_name.node, line, column)) :: links
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                  case None => links
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                }
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              case _ => links
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            }
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        }) match { case Text.Info(_, info :: _) #:: _ => Some(info) case _ => None }
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  }
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  private val active_include = Set(Markup.GRAPHVIEW, Markup.SENDBACK, Markup.DIALOG)
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  def active(range: Text.Range): Option[Text.Info[XML.Elem]] =
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    snapshot.select_markup(range, Some(active_include), command_state =>
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        {  // FIXME inactive dialog
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          case Text.Info(info_range, elem @ XML.Elem(markup, _))
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          if active_include(markup.name) => Text.Info(snapshot.convert(info_range), elem)
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        }) match { case Text.Info(_, info) #:: _ => Some(info) case _ => None }
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  def tooltip_message(range: Text.Range): XML.Body =
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  {
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    val msgs =
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      snapshot.cumulate_markup[SortedMap[Long, XML.Tree]](range, SortedMap.empty,
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        Some(Set(Markup.WRITELN, Markup.WARNING, Markup.ERROR, Markup.BAD)), _ =>
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        {
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          case (msgs, Text.Info(_, XML.Elem(Markup(name, props @ Markup.Serial(serial)), body)))
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          if name == Markup.WRITELN ||
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              name == Markup.WARNING ||
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              name == Markup.ERROR =>
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            msgs + (serial -> XML.Elem(Markup(Markup.message(name), props), body))
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          case (msgs, Text.Info(_, msg @ XML.Elem(Markup(Markup.BAD, _), body)))
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          if !body.isEmpty => msgs + (Document.new_id() -> msg)
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        }).toList.flatMap(_.info)
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    Pretty.separate(msgs.iterator.map(_._2).toList)
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  }
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  private val tooltips: Map[String, String] =
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    Map(
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      Markup.SORT -> "sort",
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      Markup.TYP -> "type",
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      Markup.TERM -> "term",
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      Markup.PROP -> "proposition",
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      Markup.TOKEN_RANGE -> "inner syntax token",
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      Markup.FREE -> "free variable",
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      Markup.SKOLEM -> "skolem variable",
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      Markup.BOUND -> "bound variable",
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      Markup.VAR -> "schematic variable",
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      Markup.TFREE -> "free type variable",
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      Markup.TVAR -> "schematic type variable",
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      Markup.ML_SOURCE -> "ML source",
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      Markup.DOCUMENT_SOURCE -> "document source")
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  private val tooltip_elements =
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    Set(Markup.ENTITY, Markup.SORTING, Markup.TYPING, Markup.ML_TYPING, Markup.PATH) ++
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      tooltips.keys
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  private def pretty_typing(kind: String, body: XML.Body): XML.Tree =
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    Pretty.block(XML.Text(kind) :: Pretty.Break(1) :: body)
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  def tooltip(range: Text.Range): XML.Body =
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  {
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    def add(prev: Text.Info[List[(Boolean, XML.Tree)]], r: Text.Range, p: (Boolean, XML.Tree)) =
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      if (prev.range == r) Text.Info(r, p :: prev.info) else Text.Info(r, List(p))
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    val tips =
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      snapshot.cumulate_markup[Text.Info[(List[(Boolean, XML.Tree)])]](
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        range, Text.Info(range, Nil), Some(tooltip_elements), _ =>
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        {
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          case (prev, Text.Info(r, XML.Elem(Markup.Entity(kind, name), _))) =>
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            val kind1 = space_explode('_', kind).mkString(" ")
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            add(prev, r, (true, XML.Text(kind1 + " " + quote(name))))
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          case (prev, Text.Info(r, XML.Elem(Markup.Path(name), _)))
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          if Path.is_ok(name) =>
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            val jedit_file = PIDE.thy_load.append(snapshot.node_name.dir, Path.explode(name))
wenzelm@49700
   319
            add(prev, r, (true, XML.Text("file " + quote(jedit_file))))
wenzelm@49674
   320
          case (prev, Text.Info(r, XML.Elem(Markup(name, _), body)))
wenzelm@50201
   321
          if name == Markup.SORTING || name == Markup.TYPING =>
wenzelm@49700
   322
            add(prev, r, (true, pretty_typing("::", body)))
wenzelm@50201
   323
          case (prev, Text.Info(r, XML.Elem(Markup(Markup.ML_TYPING, _), body))) =>
wenzelm@49700
   324
            add(prev, r, (false, pretty_typing("ML:", body)))
wenzelm@49356
   325
          case (prev, Text.Info(r, XML.Elem(Markup(name, _), _)))
wenzelm@49700
   326
          if tooltips.isDefinedAt(name) => add(prev, r, (true, XML.Text(tooltips(name))))
wenzelm@49356
   327
        }).toList.flatMap(_.info.info)
wenzelm@49356
   328
wenzelm@49356
   329
    val all_tips =
wenzelm@49356
   330
      (tips.filter(_._1) ++ tips.filter(!_._1).lastOption.toList).map(_._2)
wenzelm@49700
   331
    Library.separate(Pretty.FBreak, all_tips.toList)
wenzelm@49356
   332
  }
wenzelm@49356
   333
wenzelm@49356
   334
wenzelm@49356
   335
  def gutter_message(range: Text.Range): Option[Icon] =
wenzelm@49356
   336
  {
wenzelm@49356
   337
    val results =
wenzelm@50500
   338
      snapshot.cumulate_markup[Int](range, 0, Some(Set(Markup.WARNING, Markup.ERROR)), _ =>
wenzelm@49356
   339
        {
wenzelm@50201
   340
          case (pri, Text.Info(_, XML.Elem(Markup(Markup.WARNING, _), body))) =>
wenzelm@49356
   341
            body match {
wenzelm@50201
   342
              case List(XML.Elem(Markup(Markup.LEGACY, _), _)) =>
wenzelm@50199
   343
                pri max Rendering.legacy_pri
wenzelm@50199
   344
              case _ => pri max Rendering.warning_pri
wenzelm@49356
   345
            }
wenzelm@50201
   346
          case (pri, Text.Info(_, XML.Elem(Markup(Markup.ERROR, _), _))) =>
wenzelm@50199
   347
            pri max Rendering.error_pri
wenzelm@49356
   348
        })
wenzelm@49356
   349
    val pri = (0 /: results) { case (p1, Text.Info(_, p2)) => p1 max p2 }
wenzelm@50199
   350
    Rendering.gutter_icons.get(pri)
wenzelm@49356
   351
  }
wenzelm@49356
   352
wenzelm@49356
   353
wenzelm@49356
   354
  private val squiggly_colors = Map(
wenzelm@50199
   355
    Rendering.writeln_pri -> writeln_color,
wenzelm@50199
   356
    Rendering.warning_pri -> warning_color,
wenzelm@50199
   357
    Rendering.error_pri -> error_color)
wenzelm@49356
   358
wenzelm@49356
   359
  def squiggly_underline(range: Text.Range): Stream[Text.Info[Color]] =
wenzelm@49356
   360
  {
wenzelm@49356
   361
    val results =
wenzelm@49356
   362
      snapshot.cumulate_markup[Int](range, 0,
wenzelm@50500
   363
        Some(Set(Markup.WRITELN, Markup.WARNING, Markup.ERROR)), _ =>
wenzelm@49356
   364
        {
wenzelm@49474
   365
          case (pri, Text.Info(_, XML.Elem(Markup(name, _), _)))
wenzelm@50201
   366
          if name == Markup.WRITELN ||
wenzelm@50201
   367
            name == Markup.WARNING ||
wenzelm@50201
   368
            name == Markup.ERROR => pri max Rendering.message_pri(name)
wenzelm@49356
   369
        })
wenzelm@49356
   370
    for {
wenzelm@49356
   371
      Text.Info(r, pri) <- results
wenzelm@49356
   372
      color <- squiggly_colors.get(pri)
wenzelm@49356
   373
    } yield Text.Info(r, color)
wenzelm@49356
   374
  }
wenzelm@49356
   375
wenzelm@49474
   376
wenzelm@49493
   377
  private val messages_include =
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   378
    Set(Markup.WRITELN_MESSAGE, Markup.TRACING_MESSAGE, Markup.WARNING_MESSAGE, Markup.ERROR_MESSAGE)
wenzelm@49493
   379
wenzelm@49474
   380
  private val message_colors = Map(
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   381
    Rendering.writeln_pri -> writeln_message_color,
wenzelm@50199
   382
    Rendering.tracing_pri -> tracing_message_color,
wenzelm@50199
   383
    Rendering.warning_pri -> warning_message_color,
wenzelm@50199
   384
    Rendering.error_pri -> error_message_color)
wenzelm@49474
   385
wenzelm@49473
   386
  def line_background(range: Text.Range): Option[(Color, Boolean)] =
wenzelm@49473
   387
  {
wenzelm@49474
   388
    val results =
wenzelm@50500
   389
      snapshot.cumulate_markup[Int](range, 0, Some(messages_include), _ =>
wenzelm@49473
   390
        {
wenzelm@49474
   391
          case (pri, Text.Info(_, XML.Elem(Markup(name, _), _)))
wenzelm@50201
   392
          if name == Markup.WRITELN_MESSAGE ||
wenzelm@50201
   393
            name == Markup.TRACING_MESSAGE ||
wenzelm@50201
   394
            name == Markup.WARNING_MESSAGE ||
wenzelm@50201
   395
            name == Markup.ERROR_MESSAGE => pri max Rendering.message_pri(name)
wenzelm@49474
   396
        })
wenzelm@49474
   397
    val pri = (0 /: results) { case (p1, Text.Info(_, p2)) => p1 max p2 }
wenzelm@49474
   398
wenzelm@49474
   399
    val is_separator = pri > 0 &&
wenzelm@50500
   400
      snapshot.cumulate_markup[Boolean](range, false, Some(Set(Markup.SEPARATOR)), _ =>
wenzelm@49473
   401
        {
wenzelm@50201
   402
          case (_, Text.Info(_, XML.Elem(Markup(Markup.SEPARATOR, _), _))) => true
wenzelm@49473
   403
        }).exists(_.info)
wenzelm@49473
   404
wenzelm@49474
   405
    message_colors.get(pri).map((_, is_separator))
wenzelm@49473
   406
  }
wenzelm@49356
   407
wenzelm@49492
   408
wenzelm@50500
   409
  def output_messages(st: Command.State): List[XML.Tree] =
wenzelm@50500
   410
  {
wenzelm@50500
   411
    st.results.iterator.map(_._2).filterNot(Protocol.is_result(_)).toList
wenzelm@50500
   412
  }
wenzelm@50500
   413
wenzelm@50500
   414
wenzelm@49492
   415
  private val background1_include =
wenzelm@50201
   416
    Protocol.command_status_markup + Markup.WRITELN_MESSAGE + Markup.TRACING_MESSAGE +
wenzelm@50500
   417
      Markup.WARNING_MESSAGE + Markup.ERROR_MESSAGE + Markup.BAD + Markup.INTENSIFY ++
wenzelm@50500
   418
      active_include
wenzelm@49492
   419
wenzelm@49356
   420
  def background1(range: Text.Range): Stream[Text.Info[Color]] =
wenzelm@49356
   421
  {
wenzelm@49356
   422
    if (snapshot.is_outdated) Stream(Text.Info(range, outdated_color))
wenzelm@49356
   423
    else
wenzelm@49356
   424
      for {
wenzelm@49356
   425
        Text.Info(r, result) <-
wenzelm@50500
   426
          snapshot.cumulate_markup[(Option[Protocol.Status], Option[Color])](
wenzelm@50500
   427
            range, (Some(Protocol.Status.init), None), Some(background1_include), command_state =>
wenzelm@49356
   428
            {
wenzelm@50500
   429
              case (((Some(status), color), Text.Info(_, XML.Elem(markup, _))))
wenzelm@49356
   430
              if (Protocol.command_status_markup(markup.name)) =>
wenzelm@50500
   431
                (Some(Protocol.command_status(status, markup)), color)
wenzelm@50500
   432
              case (_, Text.Info(_, XML.Elem(Markup(Markup.BAD, _), _))) =>
wenzelm@50500
   433
                (None, Some(bad_color))
wenzelm@50500
   434
              case (_, Text.Info(_, XML.Elem(Markup(Markup.INTENSIFY, _), _))) =>
wenzelm@50500
   435
                (None, Some(intensify_color))
wenzelm@50500
   436
              case (_, Text.Info(_, Protocol.Dialog(_, serial, result))) =>
wenzelm@50500
   437
                command_state.results.get(serial) match {
wenzelm@50500
   438
                  case Some(Protocol.Dialog_Result(_, res)) if res == result =>
wenzelm@50500
   439
                    (None, Some(active_result_color))
wenzelm@50500
   440
                  case _ =>
wenzelm@50500
   441
                    (None, Some(active_color))
wenzelm@50500
   442
                }
wenzelm@50500
   443
              case (_, Text.Info(_, XML.Elem(markup, _))) if active_include(markup.name) =>
wenzelm@50500
   444
                (None, Some(active_color))
wenzelm@49356
   445
            })
wenzelm@49356
   446
        color <-
wenzelm@49356
   447
          (result match {
wenzelm@50500
   448
            case (Some(status), opt_color) =>
wenzelm@49356
   449
              if (status.is_unprocessed) Some(unprocessed1_color)
wenzelm@49356
   450
              else if (status.is_running) Some(running1_color)
wenzelm@49356
   451
              else opt_color
wenzelm@50500
   452
            case (_, opt_color) => opt_color
wenzelm@49356
   453
          })
wenzelm@49356
   454
      } yield Text.Info(r, color)
wenzelm@49356
   455
  }
wenzelm@49356
   456
wenzelm@49356
   457
wenzelm@49356
   458
  def background2(range: Text.Range): Stream[Text.Info[Color]] =
wenzelm@50500
   459
    snapshot.select_markup(range, Some(Set(Markup.TOKEN_RANGE)), _ =>
wenzelm@49356
   460
      {
wenzelm@50201
   461
        case Text.Info(_, XML.Elem(Markup(Markup.TOKEN_RANGE, _), _)) => light_color
wenzelm@49356
   462
      })
wenzelm@49356
   463
wenzelm@49356
   464
wenzelm@49356
   465
  def foreground(range: Text.Range): Stream[Text.Info[Color]] =
wenzelm@50500
   466
    snapshot.select_markup(range, Some(Set(Markup.STRING, Markup.ALTSTRING, Markup.VERBATIM)), _ =>
wenzelm@49356
   467
      {
wenzelm@50201
   468
        case Text.Info(_, XML.Elem(Markup(Markup.STRING, _), _)) => quoted_color
wenzelm@50201
   469
        case Text.Info(_, XML.Elem(Markup(Markup.ALTSTRING, _), _)) => quoted_color
wenzelm@50201
   470
        case Text.Info(_, XML.Elem(Markup(Markup.VERBATIM, _), _)) => quoted_color
wenzelm@49356
   471
      })
wenzelm@49356
   472
wenzelm@49356
   473
wenzelm@49356
   474
  private val text_colors: Map[String, Color] = Map(
wenzelm@50201
   475
      Markup.KEYWORD1 -> keyword1_color,
wenzelm@50201
   476
      Markup.KEYWORD2 -> keyword2_color,
wenzelm@50201
   477
      Markup.STRING -> Color.BLACK,
wenzelm@50201
   478
      Markup.ALTSTRING -> Color.BLACK,
wenzelm@50201
   479
      Markup.VERBATIM -> Color.BLACK,
wenzelm@50201
   480
      Markup.LITERAL -> keyword1_color,
wenzelm@50201
   481
      Markup.DELIMITER -> Color.BLACK,
wenzelm@50201
   482
      Markup.TFREE -> tfree_color,
wenzelm@50201
   483
      Markup.TVAR -> tvar_color,
wenzelm@50201
   484
      Markup.FREE -> free_color,
wenzelm@50201
   485
      Markup.SKOLEM -> skolem_color,
wenzelm@50201
   486
      Markup.BOUND -> bound_color,
wenzelm@50201
   487
      Markup.VAR -> var_color,
wenzelm@50201
   488
      Markup.INNER_STRING -> inner_quoted_color,
wenzelm@50201
   489
      Markup.INNER_COMMENT -> inner_comment_color,
wenzelm@50201
   490
      Markup.DYNAMIC_FACT -> dynamic_color,
wenzelm@50201
   491
      Markup.ML_KEYWORD -> keyword1_color,
wenzelm@50201
   492
      Markup.ML_DELIMITER -> Color.BLACK,
wenzelm@50201
   493
      Markup.ML_NUMERAL -> inner_numeral_color,
wenzelm@50201
   494
      Markup.ML_CHAR -> inner_quoted_color,
wenzelm@50201
   495
      Markup.ML_STRING -> inner_quoted_color,
wenzelm@50201
   496
      Markup.ML_COMMENT -> inner_comment_color,
wenzelm@50201
   497
      Markup.ANTIQ -> antiquotation_color)
wenzelm@49356
   498
wenzelm@49356
   499
  private val text_color_elements = Set.empty[String] ++ text_colors.keys
wenzelm@49356
   500
wenzelm@49356
   501
  def text_color(range: Text.Range, color: Color)
wenzelm@49356
   502
      : Stream[Text.Info[Color]] =
wenzelm@49356
   503
  {
wenzelm@50196
   504
    if (color == Token_Markup.hidden_color) Stream(Text.Info(range, color))
wenzelm@50196
   505
    else
wenzelm@50500
   506
      snapshot.cumulate_markup(range, color, Some(text_color_elements), _ =>
wenzelm@50196
   507
        {
wenzelm@50196
   508
          case (_, Text.Info(_, XML.Elem(Markup(m, _), _)))
wenzelm@50196
   509
          if text_colors.isDefinedAt(m) => text_colors(m)
wenzelm@50196
   510
        })
wenzelm@49356
   511
  }
wenzelm@49356
   512
}