diff options
Diffstat (limited to 'src/compiler')
14 files changed, 1297 insertions, 24 deletions
diff --git a/src/compiler/scala/tools/nsc/doc/html/HtmlFactory.scala b/src/compiler/scala/tools/nsc/doc/html/HtmlFactory.scala index 914824d523..51c5793d46 100644 --- a/src/compiler/scala/tools/nsc/doc/html/HtmlFactory.scala +++ b/src/compiler/scala/tools/nsc/doc/html/HtmlFactory.scala @@ -11,6 +11,9 @@ import model._ import java.io.{ File => JFile } import io.{ Streamable, Directory } import scala.collection._ +import page.diagram._ + +import html.page.diagram.DiagramGenerator /** A class that can generate Scaladoc sites to some fixed root folder. * @author David Bernard @@ -29,21 +32,27 @@ class HtmlFactory(val universe: doc.Universe, index: doc.Index) { "jquery.js", "jquery.layout.js", "scheduler.js", + "diagrams.js", "template.js", "tools.tooltip.js", + "modernizr.custom.js", "index.css", "ref-index.css", "template.css", + "diagrams.css", "class.png", "class_big.png", + "class_diagram.png", "object.png", "object_big.png", + "object_diagram.png", "package.png", "package_big.png", "trait.png", "trait_big.png", + "trait_diagram.png", "class_to_object_big.png", "object_to_class_big.png", @@ -105,6 +114,8 @@ class HtmlFactory(val universe: doc.Universe, index: doc.Index) { finally out.close() } + DiagramGenerator.initialize(universe.settings) + libResources foreach (s => copyResource("lib/" + s)) new page.Index(universe, index) writeFor this @@ -115,14 +126,17 @@ class HtmlFactory(val universe: doc.Universe, index: doc.Index) { for (letter <- index.firstLetterIndex) { new html.page.ReferenceIndex(letter._1, index, universe) writeFor this } + + DiagramGenerator.cleanup() } def writeTemplates(writeForThis: HtmlPage => Unit) { val written = mutable.HashSet.empty[DocTemplateEntity] + val diagramGenerator: DiagramGenerator = new DotDiagramGenerator(universe.settings) def writeTemplate(tpl: DocTemplateEntity) { if (!(written contains tpl)) { - writeForThis(new page.Template(universe, tpl)) + writeForThis(new page.Template(universe, diagramGenerator, tpl)) written += tpl tpl.templates map writeTemplate } diff --git a/src/compiler/scala/tools/nsc/doc/html/page/Template.scala b/src/compiler/scala/tools/nsc/doc/html/page/Template.scala index 5978489585..24cff1b475 100644 --- a/src/compiler/scala/tools/nsc/doc/html/page/Template.scala +++ b/src/compiler/scala/tools/nsc/doc/html/page/Template.scala @@ -8,12 +8,18 @@ package doc package html package page +import model._ +import model.diagram._ +import diagram._ + import scala.xml.{ NodeSeq, Text, UnprefixedAttribute } import language.postfixOps import model._ +import model.diagram._ +import diagram._ -class Template(universe: doc.Universe, tpl: DocTemplateEntity) extends HtmlPage { +class Template(universe: doc.Universe, generator: DiagramGenerator, tpl: DocTemplateEntity) extends HtmlPage { val path = templateToPath(tpl) @@ -30,10 +36,22 @@ class Template(universe: doc.Universe, tpl: DocTemplateEntity) extends HtmlPage val headers = <xml:group> <link href={ relativeLinkTo{List("template.css", "lib")} } media="screen" type="text/css" rel="stylesheet"/> - <script type="text/javascript" src={ relativeLinkTo{List("jquery.js", "lib")} }></script> + <link href={ relativeLinkTo{List("diagrams.css", "lib")} } media="screen" type="text/css" rel="stylesheet" id="diagrams-css" /> + <script type="text/javascript" src={ relativeLinkTo{List("jquery.js", "lib")} } id="jquery-js"></script> <script type="text/javascript" src={ relativeLinkTo{List("jquery-ui.js", "lib")} }></script> <script type="text/javascript" src={ relativeLinkTo{List("template.js", "lib")} }></script> <script type="text/javascript" src={ relativeLinkTo{List("tools.tooltip.js", "lib")} }></script> + { if (universe.settings.docDiagrams.isSetByUser) { + <script type="text/javascript" src={ relativeLinkTo{List("modernizr.custom.js", "lib")} }></script> + <script type="text/javascript" src={ relativeLinkTo{List("diagrams.js", "lib")} } id="diagrams-js"></script> + } else NodeSeq.Empty } + <script type="text/javascript"> + if(top === self) {{ + var url = '{ val p = templateToPath(tpl); "../" * (p.size - 1) + "index.html" }'; + var hash = '{ val p = templateToPath(tpl); (p.tail.reverse ::: List(p.head.replace(".html", ""))).mkString(".") }'; + window.location.href = url + '#' + hash; + }} + </script> </xml:group> val valueMembers = @@ -614,7 +632,19 @@ class Template(universe: doc.Universe, tpl: DocTemplateEntity) extends HtmlPage case _ => NodeSeq.Empty } - memberComment ++ paramComments ++ attributesBlock ++ linearization ++ subclasses + val typeHierarchy = if (s.docDiagrams.isSetByUser) mbr match { + case dtpl: DocTemplateEntity if isSelf && !isReduced && dtpl.inheritanceDiagram.isDefined => + makeDiagramHtml(dtpl, dtpl.inheritanceDiagram, "Type Hierarchy", "inheritance-diagram") + case _ => NodeSeq.Empty + } else NodeSeq.Empty // diagrams not generated + + val contentHierarchy = if (s.docDiagrams.isSetByUser) mbr match { + case dtpl: DocTemplateEntity if isSelf && !isReduced && dtpl.contentDiagram.isDefined => + makeDiagramHtml(dtpl, dtpl.contentDiagram, "Content Hierarchy", "content-diagram") + case _ => NodeSeq.Empty + } else NodeSeq.Empty // diagrams not generated + + memberComment ++ paramComments ++ attributesBlock ++ linearization ++ subclasses ++ typeHierarchy ++ contentHierarchy } def kindToString(mbr: MemberEntity): String = { @@ -920,9 +950,25 @@ class Template(universe: doc.Universe, tpl: DocTemplateEntity) extends HtmlPage xml.Text(ub.typeParamName + " is a subclass of " + ub.upperBound.name + " (" + ub.typeParamName + " <: ") ++ typeToHtml(ub.upperBound, true) ++ xml.Text(")") } + + def makeDiagramHtml(tpl: DocTemplateEntity, diagram: Option[Diagram], description: String, id: String) = { + val s = universe.settings + val diagramSvg = generator.generate(diagram.get, tpl, this) + if (diagramSvg != NodeSeq.Empty) { + <div class="toggleContainer block diagram-container" id={ id + "-container"}> + <span class="toggle diagram-link">{ description }</span> + <a href="http://docs.scala-lang.org/overviews/scaladoc/usage.html#diagrams" target="_blank" class="diagram-help">Learn more about scaladoc diagrams</a> + <div class="diagram" id={ id }>{ + diagramSvg + }</div> + </div> + } else NodeSeq.Empty + } } object Template { + /* Vlad: Lesson learned the hard way: don't put any stateful code that references the model here, + * it won't be garbage collected and you'll end up filling the heap with garbage */ def isImplicit(mbr: MemberEntity) = mbr.byConversion.isDefined def isShadowedImplicit(mbr: MemberEntity): Boolean = diff --git a/src/compiler/scala/tools/nsc/doc/html/page/diagram/DiagramGenerator.scala b/src/compiler/scala/tools/nsc/doc/html/page/diagram/DiagramGenerator.scala new file mode 100644 index 0000000000..61c1819d11 --- /dev/null +++ b/src/compiler/scala/tools/nsc/doc/html/page/diagram/DiagramGenerator.scala @@ -0,0 +1,53 @@ +/** + * @author Damien Obrist + * @author Vlad Ureche + */ +package scala.tools.nsc +package doc +package html +package page +package diagram + +import scala.xml.NodeSeq +import scala.tools.nsc.doc.html.HtmlPage +import scala.tools.nsc.doc.model.diagram.Diagram +import scala.tools.nsc.doc.model.DocTemplateEntity + +trait DiagramGenerator { + + /** + * Generates a visualization of the internal representation + * of a diagram. + * + * @param d The model of the diagram + * @param p The page the diagram will be embedded in (needed for link generation) + * @return The HTML to be embedded in the Scaladoc page + */ + def generate(d: Diagram, t: DocTemplateEntity, p: HtmlPage):NodeSeq +} + +object DiagramGenerator { + + // TODO: This is tailored towards the dot generator, since it's the only generator. In the future it should be more + // general. + + private[this] var dotRunner: DotRunner = null + private[this] var settings: doc.Settings = null + + def initialize(s: doc.Settings) = + settings = s + + def getDotRunner() = { + if (dotRunner == null) + dotRunner = new DotRunner(settings) + dotRunner + } + + def cleanup() = { + DiagramStats.printStats(settings) + if (dotRunner != null) { + dotRunner.cleanup() + dotRunner = null + } + } +}
\ No newline at end of file diff --git a/src/compiler/scala/tools/nsc/doc/html/page/diagram/DotDiagramGenerator.scala b/src/compiler/scala/tools/nsc/doc/html/page/diagram/DotDiagramGenerator.scala new file mode 100644 index 0000000000..f5a1d1b088 --- /dev/null +++ b/src/compiler/scala/tools/nsc/doc/html/page/diagram/DotDiagramGenerator.scala @@ -0,0 +1,470 @@ +/** + * @author Damien Obrist + * @author Vlad Ureche + */ +package scala.tools.nsc +package doc +package html +package page +package diagram + +import scala.xml.{NodeSeq, XML, PrefixedAttribute, Elem, MetaData, Null, UnprefixedAttribute} +import scala.collection.immutable._ +import javax.xml.parsers.SAXParser +import model._ +import model.diagram._ + +class DotDiagramGenerator(settings: doc.Settings) extends DiagramGenerator { + + // the page where the diagram will be embedded + private var page: HtmlPage = null + // path to the "lib" folder relative to the page + private var pathToLib: String = null + // maps nodes to unique indices + private var node2Index: Map[Node, Int] = null + // maps an index to its corresponding node + private var index2Node: Map[Int, Node] = null + // true if the current diagram is a class diagram + private var isClassDiagram = false + // incoming implicit nodes (needed for determining the CSS class of a node) + private var incomingImplicitNodes: List[Node] = List() + // the suffix used when there are two many classes to show + private final val MultiSuffix = " classes/traits" + // used to generate unique node and edge ids (i.e. avoid conflicts with multiple diagrams) + private var counter = 0 + + def generate(diagram: Diagram, template: DocTemplateEntity, page: HtmlPage):NodeSeq = { + counter = counter + 1; + this.page = page + pathToLib = "../" * (page.templateToPath(template).size - 1) + "lib/" + val dot = generateDot(diagram) + val result = generateSVG(dot, template) + // clean things up a bit, so we don't leave garbage on the heap + this.page = null + node2Index = null + index2Node = null + incomingImplicitNodes = List() + result + } + + /** + * Generates a dot string for a given diagram. + */ + private def generateDot(d: Diagram) = { + // inheritance nodes (all nodes except thisNode and implicit nodes) + var nodes: List[Node] = null + // inheritance edges (all edges except implicit edges) + var edges: List[(Node, List[Node])] = null + + // timing + var tDot = -System.currentTimeMillis + + // variables specific to class diagrams: + // current node of a class diagram + var thisNode:Node = null + var subClasses = List[Node]() + var superClasses = List[Node]() + var incomingImplicits = List[Node]() + var outgoingImplicits = List[Node]() + var subClassesTooltip: Option[String] = None + var superClassesTooltip: Option[String] = None + var incomingImplicitsTooltip: Option[String] = None + var outgoingImplicitsTooltip: Option[String] = None + isClassDiagram = false + + d match { + case ClassDiagram(_thisNode, _superClasses, _subClasses, _incomingImplicits, _outgoingImplicits) => + + def textTypeEntity(text: String) = + new TypeEntity { + val name = text + def refEntity: SortedMap[Int, (TemplateEntity, Int)] = SortedMap() + } + + // it seems dot chokes on node names over 8000 chars, so let's limit the size of the string + // conservatively, we'll limit at 4000, to be sure: + def limitSize(str: String) = if (str.length > 4000) str.substring(0, 3996) + " ..." else str + + // avoid overcrowding the diagram: + // if there are too many super / sub / implicit nodes, represent + // them by on node with a corresponding tooltip + superClasses = if (_superClasses.length > settings.docDiagramsMaxNormalClasses.value) { + superClassesTooltip = Some(limitSize(_superClasses.map(_.tpe.name).mkString(", "))) + List(NormalNode(textTypeEntity(_superClasses.length + MultiSuffix), None)) + } else _superClasses + + subClasses = if (_subClasses.length > settings.docDiagramsMaxNormalClasses.value) { + subClassesTooltip = Some(limitSize(_subClasses.map(_.tpe.name).mkString(", "))) + List(NormalNode(textTypeEntity(_subClasses.length + MultiSuffix), None)) + } else _subClasses + + incomingImplicits = if (_incomingImplicits.length > settings.docDiagramsMaxImplicitClasses.value) { + incomingImplicitsTooltip = Some(limitSize(_incomingImplicits.map(_.tpe.name).mkString(", "))) + List(ImplicitNode(textTypeEntity(_incomingImplicits.length + MultiSuffix), None)) + } else _incomingImplicits + + outgoingImplicits = if (_outgoingImplicits.length > settings.docDiagramsMaxImplicitClasses.value) { + outgoingImplicitsTooltip = Some(limitSize(_outgoingImplicits.map(_.tpe.name).mkString(", "))) + List(ImplicitNode(textTypeEntity(_outgoingImplicits.length + MultiSuffix), None)) + } else _outgoingImplicits + + thisNode = _thisNode + nodes = List() + edges = (thisNode -> superClasses) :: subClasses.map(_ -> List(thisNode)) + node2Index = (thisNode::subClasses:::superClasses:::incomingImplicits:::outgoingImplicits).zipWithIndex.toMap + isClassDiagram = true + incomingImplicitNodes = incomingImplicits + case _ => + nodes = d.nodes + edges = d.edges + node2Index = d.nodes.zipWithIndex.toMap + incomingImplicitNodes = List() + } + index2Node = node2Index map {_.swap} + + val implicitsDot = { + if (!isClassDiagram) "" + else { + // dot cluster containing thisNode + val thisCluster = "subgraph clusterThis {\n" + + "style=\"invis\"\n" + + node2Dot(thisNode, None) + + "}" + // dot cluster containing incoming implicit nodes, if any + val incomingCluster = { + if(incomingImplicits.isEmpty) "" + else "subgraph clusterIncoming {\n" + + "style=\"invis\"\n" + + incomingImplicits.reverse.map(n => node2Dot(n, incomingImplicitsTooltip)).mkString + + (if (incomingImplicits.size > 1) + incomingImplicits.map(n => "node" + node2Index(n)).mkString(" -> ") + + " [constraint=\"false\", style=\"invis\", minlen=\"0.0\"];\n" + else "") + + "}" + } + // dot cluster containing outgoing implicit nodes, if any + val outgoingCluster = { + if(outgoingImplicits.isEmpty) "" + else "subgraph clusterOutgoing {\n" + + "style=\"invis\"\n" + + outgoingImplicits.reverse.map(n => node2Dot(n, outgoingImplicitsTooltip)).mkString + + (if (outgoingImplicits.size > 1) + outgoingImplicits.map(n => "node" + node2Index(n)).mkString(" -> ") + + " [constraint=\"false\", style=\"invis\", minlen=\"0.0\"];\n" + else "") + + "}" + } + + // assemble clusters into another cluster + val incomingTooltip = incomingImplicits.map(_.name).mkString(", ") + " can be implicitly converted to " + thisNode.name + val outgoingTooltip = thisNode.name + " can be implicitly converted to " + outgoingImplicits.map(_.name).mkString(", ") + "subgraph clusterAll {\n" + + "style=\"invis\"\n" + + outgoingCluster + "\n" + + thisCluster + "\n" + + incomingCluster + "\n" + + // incoming implicit edge + (if (!incomingImplicits.isEmpty) { + val n = incomingImplicits.last + "node" + node2Index(n) +" -> node" + node2Index(thisNode) + + " [id=\"" + cssClass(n, thisNode) + "|" + node2Index(n) + "_" + node2Index(thisNode) + "\", tooltip=\"" + incomingTooltip + "\"" + + ", constraint=\"false\", minlen=\"2\", ltail=\"clusterIncoming\", lhead=\"clusterThis\", label=\"implicitly\"];\n" + } else "") + + // outgoing implicit edge + (if (!outgoingImplicits.isEmpty) { + val n = outgoingImplicits.head + "node" + node2Index(thisNode) + " -> node" + node2Index(n) + + " [id=\"" + cssClass(thisNode, n) + "|" + node2Index(thisNode) + "_" + node2Index(n) + "\", tooltip=\"" + outgoingTooltip + "\"" + + ", constraint=\"false\", minlen=\"2\", ltail=\"clusterThis\", lhead=\"clusterOutgoing\", label=\"implicitly\"];\n" + } else "") + + "}" + } + } + + // assemble graph + val graph = "digraph G {\n" + + // graph / node / edge attributes + graphAttributesStr + + "node [" + nodeAttributesStr + "];\n" + + "edge [" + edgeAttributesStr + "];\n" + + implicitsDot + "\n" + + // inheritance nodes + nodes.map(n => node2Dot(n, None)).mkString + + subClasses.map(n => node2Dot(n, subClassesTooltip)).mkString + + superClasses.map(n => node2Dot(n, superClassesTooltip)).mkString + + // inheritance edges + edges.map{ case (from, tos) => tos.map(to => { + val id = "graph" + counter + "_" + node2Index(to) + "_" + node2Index(from) + // the X -> Y edge is inverted twice to keep the diagram flowing the right way + // that is, an edge from node X to Y will result in a dot instruction nodeY -> nodeX [dir="back"] + "node" + node2Index(to) + " -> node" + node2Index(from) + + " [id=\"" + cssClass(to, from) + "|" + id + "\", " + + "tooltip=\"" + from.name + (if (from.name.endsWith(MultiSuffix)) " are subtypes of " else " is a subtype of ") + + to.name + "\", dir=\"back\", arrowtail=\"empty\"];\n" + }).mkString}.mkString + + "}" + + tDot += System.currentTimeMillis + DiagramStats.addDotGenerationTime(tDot) + + graph + } + + /** + * Generates the dot string of a given node. + */ + private def node2Dot(node: Node, tooltip: Option[String]) = { + + // escape HTML characters in node names + def escape(name: String) = name.replace("&", "&").replace("<", "<").replace(">", ">"); + + // assemble node attribues in a map + var attr = scala.collection.mutable.Map[String, String]() + + // link + node.doctpl match { + case Some(tpl) => attr += "URL" -> (page.relativeLinkTo(tpl) + "#inheritance-diagram") + case _ => + } + + // tooltip + tooltip match { + case Some(text) => attr += "tooltip" -> text + // show full name where available (instead of TraversableOps[A] show scala.collection.parallel.TraversableOps[A]) + case None if node.tpl.isDefined => attr += "tooltip" -> node.tpl.get.qualifiedName + case _ => + } + + // styles + if(node.isImplicitNode) + attr ++= implicitStyle + else if(node.isOutsideNode) + attr ++= outsideStyle + else if(node.isTraitNode) + attr ++= traitStyle + else if(node.isClassNode) + attr ++= classStyle + else if(node.isObjectNode) + attr ++= objectStyle + else + attr ++= defaultStyle + + // HTML label + var name = escape(node.name) + var img = "" + if(node.isTraitNode) + img = "trait_diagram.png" + else if(node.isClassNode) + img = "class_diagram.png" + else if(node.isObjectNode) + img = "object_diagram.png" + + if(!img.equals("")) { + img = "<TD><IMG SCALE=\"TRUE\" SRC=\"" + settings.outdir.value + "/lib/" + img + "\" /></TD>" + name = name + " " + } + val label = "<<TABLE BORDER=\"0\" CELLBORDER=\"0\">" + + "<TR>" + img + "<TD VALIGN=\"MIDDLE\">" + name + "</TD></TR>" + + "</TABLE>>" + + // dot does not allow to specify a CSS class, therefore + // set the id to "{class}|{id}", which will be used in + // the transform method + val id = "graph" + counter + "_" + node2Index(node) + attr += ("id" -> (cssClass(node) + "|" + id)) + + // return dot string + "node" + node2Index(node) + " [label=" + label + "," + flatten(attr.toMap) + "];\n" + } + + /** + * Returns the CSS class for an edge connecting node1 and node2. + */ + private def cssClass(node1: Node, node2: Node): String = { + if (node1.isImplicitNode && node2.isThisNode) + "implicit-incoming" + else if (node1.isThisNode && node2.isImplicitNode) + "implicit-outgoing" + else + "inheritance" + } + + /** + * Returns the CSS class for a node. + */ + private def cssClass(node: Node): String = + if (node.isImplicitNode && incomingImplicitNodes.contains(node)) + "implicit-incoming" + else if (node.isImplicitNode) + "implicit-outgoing" + else if (node.isObjectNode) + "object" + else if (node.isThisNode) + "this" + cssBaseClass(node, "") + else if (node.isOutsideNode) + "outside" + cssBaseClass(node, "") + else + cssBaseClass(node, "default") + + private def cssBaseClass(node: Node, default: String) = + if (node.isClassNode) + " class" + else if (node.isTraitNode) + " trait" + else if (node.isObjectNode) + " trait" + else + default + + /** + * Calls dot with a given dot string and returns the SVG output. + */ + private def generateSVG(dotInput: String, template: DocTemplateEntity) = { + val dotOutput = DiagramGenerator.getDotRunner.feedToDot(dotInput, template) + var tSVG = -System.currentTimeMillis + + val result = if (dotOutput != null) { + val src = scala.io.Source.fromString(dotOutput); + try { + val cpa = scala.xml.parsing.ConstructingParser.fromSource(src, false) + val doc = cpa.document() + if (doc != null) + transform(doc.docElem) + else + NodeSeq.Empty + } catch { + case exc => + if (settings.docDiagramsDebug.value) { + settings.printMsg("\n\n**********************************************************************") + settings.printMsg("Encountered an error while generating page for " + template.qualifiedName) + settings.printMsg(dotInput.toString.split("\n").mkString("\nDot input:\n\t","\n\t","")) + settings.printMsg(dotOutput.toString.split("\n").mkString("\nDot output:\n\t","\n\t","")) + settings.printMsg(exc.getStackTrace.mkString("\nException: " + exc.toString + ":\n\tat ", "\n\tat ","")) + settings.printMsg("\n\n**********************************************************************") + } else { + settings.printMsg("\nThe diagram for " + template.qualifiedName + " could not be created due to an internal error.") + settings.printMsg("Use " + settings.docDiagramsDebug.name + " for more information and please file this as a bug.") + } + NodeSeq.Empty + } + } else + NodeSeq.Empty + + tSVG += System.currentTimeMillis + DiagramStats.addSvgTime(tSVG) + + result + } + + /** + * Transforms the SVG generated by dot: + * - adds a class attribute to the SVG element + * - changes the path of the node images from absolute to relative + * - assigns id and class attributes to nodes and edges + * - removes title elements + */ + private def transform(e:scala.xml.Node): scala.xml.Node = e match { + // add an id and class attribute to the SVG element + case Elem(prefix, "svg", attribs, scope, child @ _*) => { + val klass = if (isClassDiagram) "class-diagram" else "package-diagram" + Elem(prefix, "svg", attribs, scope, child map(x => transform(x)) : _*) % + new UnprefixedAttribute("id", "graph" + counter, Null) % + new UnprefixedAttribute("class", klass, Null) + } + // change the path of the node images from absolute to relative + case img @ <image></image> => { + val href = (img \ "@{http://www.w3.org/1999/xlink}href").toString + val file = href.substring(href.lastIndexOf("/") + 1, href.size) + img.asInstanceOf[Elem] % + new PrefixedAttribute("xlink", "href", pathToLib + file, Null) + } + // assign id and class attributes to edges and nodes: + // the id attribute generated by dot has the format: "{class}|{id}" + case g @ Elem(prefix, "g", attribs, scope, children @ _*) if (List("edge", "node").contains((g \ "@class").toString)) => { + val res = new Elem(prefix, "g", attribs, scope, (children map(x => transform(x))): _*) + val dotId = (g \ "@id").toString + if (dotId.count(_ == '|') == 1) { + val Array(klass, id) = dotId.toString.split("\\|") + res % new UnprefixedAttribute("id", id, Null) % + new UnprefixedAttribute("class", (g \ "@class").toString + " " + klass, Null) + } + else res + } + // remove titles + case <title>{ _* }</title> => + scala.xml.Text("") + // apply recursively + case Elem(prefix, label, attribs, scope, child @ _*) => + Elem(prefix, label, attribs, scope, child map(x => transform(x)) : _*) + case x => x + } + + /* graph / node / edge attributes */ + + private val graphAttributes: Map[String, String] = Map( + "compound" -> "true", + "rankdir" -> "TB" + ) + + private val nodeAttributes = Map( + "shape" -> "rectangle", + "style" -> "filled", + "penwidth" -> "1", + "margin" -> "0.08,0.01", + "width" -> "0.0", + "height" -> "0.0", + "fontname" -> "Arial", + "fontsize" -> "10.00" + ) + + private val edgeAttributes = Map( + "color" -> "#d4d4d4", + "arrowsize" -> "0.5", + "fontcolor" -> "#aaaaaa", + "fontsize" -> "10.00", + "fontname" -> "Arial" + ) + + private val defaultStyle = Map( + "color" -> "#ababab", + "fillcolor" -> "#e1e1e1", + "fontcolor" -> "#7d7d7d", + "margin" -> "0.1,0.04" + ) + + private val implicitStyle = Map( + "color" -> "#ababab", + "fillcolor" -> "#e1e1e1", + "fontcolor" -> "#7d7d7d" + ) + + private val outsideStyle = Map( + "color" -> "#ababab", + "fillcolor" -> "#e1e1e1", + "fontcolor" -> "#7d7d7d" + ) + + private val traitStyle = Map( + "color" -> "#37657D", + "fillcolor" -> "#498AAD", + "fontcolor" -> "#ffffff" + ) + + private val classStyle = Map( + "color" -> "#115F3B", + "fillcolor" -> "#0A955B", + "fontcolor" -> "#ffffff" + ) + + private val objectStyle = Map( + "color" -> "#102966", + "fillcolor" -> "#3556a7", + "fontcolor" -> "#ffffff" + ) + + private def flatten(attributes: Map[String, String]) = attributes.map{ case (key, value) => key + "=\"" + value + "\"" }.mkString(", ") + + private val graphAttributesStr = graphAttributes.map{ case (key, value) => key + "=\"" + value + "\";\n" }.mkString + private val nodeAttributesStr = flatten(nodeAttributes) + private val edgeAttributesStr = flatten(edgeAttributes) +}
\ No newline at end of file diff --git a/src/compiler/scala/tools/nsc/doc/html/page/diagram/DotRunner.scala b/src/compiler/scala/tools/nsc/doc/html/page/diagram/DotRunner.scala new file mode 100644 index 0000000000..37600fa908 --- /dev/null +++ b/src/compiler/scala/tools/nsc/doc/html/page/diagram/DotRunner.scala @@ -0,0 +1,227 @@ +package scala.tools.nsc +package doc +package html +package page +package diagram + +import java.io.InputStream +import java.io.OutputStream +import java.io.InputStreamReader +import java.io.OutputStreamWriter +import java.io.BufferedWriter +import java.io.BufferedReader +import java.io.IOException +import scala.sys.process._ +import scala.concurrent.SyncVar + +import model._ +import model.diagram._ + +/** This class takes care of running the graphviz dot utility */ +class DotRunner(settings: doc.Settings) { + + private[this] var dotRestarts = 0 + private[this] var dotProcess: DotProcess = null + + def feedToDot(dotInput: String, template: DocTemplateEntity): String = { + + if (dotProcess == null) { + if (dotRestarts < settings.docDiagramsDotRestart.value) { + if (dotRestarts != 0) + settings.printMsg("A new graphviz dot process will be created...\n") + dotRestarts += 1 + dotProcess = new DotProcess(settings) + } else + return null + } + + val tStart = System.currentTimeMillis + val result = dotProcess.feedToDot(dotInput, template.qualifiedName) + val tFinish = System.currentTimeMillis + DiagramStats.addDotRunningTime(tFinish - tStart) + + if (result == null) { + dotProcess.cleanup() + dotProcess = null + if (dotRestarts == settings.docDiagramsDotRestart.value) { + settings.printMsg("\n") + settings.printMsg("**********************************************************************") + settings.printMsg("Diagrams will be disabled for this run beucause the graphviz dot tool") + settings.printMsg("has malfunctioned too many times. These scaladoc flags may help:") + settings.printMsg("") + val baseList = List(settings.docDiagramsDebug, + settings.docDiagramsDotPath, + settings.docDiagramsDotRestart, + settings.docDiagramsDotTimeout) + val width = (baseList map (_.helpSyntax.length)).max + def helpStr(s: doc.Settings#Setting) = ("%-" + width + "s") format (s.helpSyntax) + " " + s.helpDescription + baseList.foreach((sett: doc.Settings#Setting) => settings.printMsg(helpStr(sett))) + settings.printMsg("\nPlease note that graphviz package version 2.26 or above is required.") + settings.printMsg("**********************************************************************\n\n") + + } + } + + result + } + + def cleanup() = + if (dotProcess != null) + dotProcess.cleanup() +} + +class DotProcess(settings: doc.Settings) { + + @volatile var error: Boolean = false // signal an error + val inputString = new SyncVar[String] // used for the dot process input + val outputString = new SyncVar[String] // used for the dot process output + val errorBuffer: StringBuffer = new StringBuffer() // buffer used for both dot process error console AND logging + + // set in only one place, in the main thread + var process: Process = null + var templateName: String = "" + var templateInput: String = "" + + def feedToDot(input: String, template: String): String = { + + templateName = template + templateInput = input + + try { + + // process creation + if (process == null) { + val procIO = new ProcessIO(inputFn(_), outputFn(_), errorFn(_)) + val processBuilder: ProcessBuilder = Seq(settings.docDiagramsDotPath.value, "-Tsvg") + process = processBuilder.run(procIO) + } + + // pass the input and wait for the output + assert(!inputString.isSet) + assert(!outputString.isSet) + inputString.put(input) + var result = outputString.take(settings.docDiagramsDotTimeout.value * 1000) + if (error) result = null + + result + + } catch { + case exc => + errorBuffer.append(" Main thread in " + templateName + ": " + + (if (exc.isInstanceOf[NoSuchElementException]) "Timeout" else "Exception: " + exc)) + error = true + return null + } + } + + def cleanup(): Unit = { + + // we'll need to know if there was any error for reporting + val _error = error + + if (process != null) { + // if there's no error, this should exit cleanly + if (!error) feedToDot("<finish>", "<finishing>") + + // just in case there's any thread hanging, this will take it out of the loop + error = true + process.destroy() + // we'll need to unblock the input again + if (!inputString.isSet) inputString.put("") + if (outputString.isSet) outputString.take() + } + + if (_error) { + if (settings.docDiagramsDebug.value) { + settings.printMsg("\n**********************************************************************") + settings.printMsg("The graphviz dot diagram tool has malfunctioned and will be restarted.") + settings.printMsg("\nThe following is the log of the failure:") + settings.printMsg(errorBuffer.toString) + settings.printMsg(" Cleanup: Last template: " + templateName) + settings.printMsg(" Cleanup: Last dot input: \n " + templateInput.replaceAll("\n","\n ") + "\n") + settings.printMsg(" Cleanup: Dot path: " + settings.docDiagramsDotPath.value) + if (process != null) + settings.printMsg(" Cleanup: Dot exit code: " + process.exitValue) + settings.printMsg("**********************************************************************") + } else { + // we shouldn't just sit there for 50s not reporting anything, no? + settings.printMsg("Graphviz dot encountered an error when generating the diagram for") + settings.printMsg(templateName + ". Use the " + settings.docDiagramsDebug.name + " flag") + settings.printMsg("for more information.") + } + } + } + + /* The standard input passing function */ + private[this] def inputFn(stdin: OutputStream): Unit = { + val writer = new BufferedWriter(new OutputStreamWriter(stdin)) + try { + var input = inputString.take() + + while (!error) { + if (input == "<finish>") { + // empty => signal to finish + stdin.close() + return + } else { + // send output to dot + writer.write(input + "\n\n") + writer.flush() + } + + if (!error) input = inputString.take() + } + stdin.close() + } catch { + case exc => + error = true + stdin.close() + errorBuffer.append(" Input thread in " + templateName + ": Exception: " + exc + "\n") + } + } + + private[this] def outputFn(stdOut: InputStream): Unit = { + val reader = new BufferedReader(new InputStreamReader(stdOut)) + var buffer: StringBuilder = new StringBuilder() + try { + var line = reader.readLine + while (!error && line != null) { + buffer.append(line + "\n") + // signal the last element in the svg (only for output) + if (line == "</svg>") { + outputString.put(buffer.toString) + buffer.setLength(0) + } + if (error) { stdOut.close(); return } + line = reader.readLine + } + assert(!outputString.isSet) + outputString.put(buffer.toString) + stdOut.close() + } catch { + case exc => + error = true + stdOut.close() + errorBuffer.append(" Output thread in " + templateName + ": Exception: " + exc + "\n") + } + } + + private[this] def errorFn(stdErr: InputStream): Unit = { + val reader = new BufferedReader(new InputStreamReader(stdErr)) + var buffer: StringBuilder = new StringBuilder() + try { + var line = reader.readLine + while (line != null) { + errorBuffer.append(" DOT <error console>: " + line + "\n") + error = true + line = reader.readLine + } + stdErr.close() + } catch { + case exc => + error = true + stdErr.close() + errorBuffer.append(" Error thread in " + templateName + ": Exception: " + exc + "\n") + } + } +}
\ No newline at end of file diff --git a/src/compiler/scala/tools/nsc/doc/html/resource/lib/class_diagram.png b/src/compiler/scala/tools/nsc/doc/html/resource/lib/class_diagram.png Binary files differnew file mode 100644 index 0000000000..9d7aec792b --- /dev/null +++ b/src/compiler/scala/tools/nsc/doc/html/resource/lib/class_diagram.png diff --git a/src/compiler/scala/tools/nsc/doc/html/resource/lib/diagrams.css b/src/compiler/scala/tools/nsc/doc/html/resource/lib/diagrams.css new file mode 100644 index 0000000000..04d29580b7 --- /dev/null +++ b/src/compiler/scala/tools/nsc/doc/html/resource/lib/diagrams.css @@ -0,0 +1,135 @@ +.diagram-container +{ + display: none; +} + +.diagram +{ + overflow: hidden; + padding-top:15px; +} + +.diagram svg +{ + display: block; + position: absolute; + visibility: hidden; + margin: auto; +} + +.diagram-help +{ + float:right; + display:none; +} + +.magnifying +{ + cursor: -webkit-zoom-in ! important; + cursor: -moz-zoom-in ! important; + cursor: pointer; +} + +#close-link +{ + position: absolute; + z-index: 100; + font-family: Arial, sans-serif; + font-size: 10pt; + text-decoration: underline; + color: #315479; +} + +#close:hover +{ + text-decoration: none; +} + +svg a +{ + cursor:pointer; +} + +svg text +{ + font-size: 10px; +} + +/* try to move the node text 1px in order to be vertically + centered (does not work in all browsers) */ +svg .node text +{ + transform: translate(0px,1px); + -ms-transform: translate(0px,1px); + -webkit-transform: translate(0px,1px); + -o-transform: translate(0px,1px); + -moz-transform: translate(0px,1px); +} + +/* hover effect for edges */ + +svg .edge.over text, +svg .edge.implicit-incoming.over polygon, +svg .edge.implicit-outgoing.over polygon +{ + fill: #202020; +} + +svg .edge.over path, +svg .edge.over polygon +{ + stroke: #202020; +} + +/* hover effect for nodes in class diagrams */ + +svg.class-diagram .node +{ + opacity: 0.75; +} + +svg.class-diagram .node.this +{ + opacity: 1.0; +} + +svg.class-diagram .node.over +{ + opacity: 1.0; +} + +svg .node.over polygon +{ + stroke: #202020; +} + +/* hover effect for nodes in package diagrams */ + +svg.package-diagram .node.class.over polygon, +svg.class-diagram .node.this.class.over polygon +{ + fill: #098552; + fill: #04663e; +} + +svg.package-diagram .node.trait.over polygon, +svg.class-diagram .node.this.trait.over polygon +{ + fill: #3c7b9b; + fill: #235d7b; +} + +svg.package-diagram .node.object.over polygon +{ + fill: #183377; +} + +svg.package-diagram .node.outside.over polygon +{ + fill: #d4d4d4; +} + +svg.package-diagram .node.default.over polygon +{ + fill: #d4d4d4; +} diff --git a/src/compiler/scala/tools/nsc/doc/html/resource/lib/diagrams.js b/src/compiler/scala/tools/nsc/doc/html/resource/lib/diagrams.js new file mode 100644 index 0000000000..478f2e38ac --- /dev/null +++ b/src/compiler/scala/tools/nsc/doc/html/resource/lib/diagrams.js @@ -0,0 +1,324 @@ +/** + * JavaScript functions enhancing the SVG diagrams. + * + * @author Damien Obrist + */ + +var diagrams = {}; + +/** + * Initializes the diagrams in the main window. + */ +$(document).ready(function() +{ + // hide diagrams in browsers not supporting SVG + if(Modernizr && !Modernizr.inlinesvg) + return; + + // only execute this in the main window + if(diagrams.isPopup) + return; + + if($("#content-diagram").length) + $("#inheritance-diagram").css("padding-bottom", "20px"); + + $(".diagram-container").css("display", "block"); + + $(".diagram").each(function() { + // store inital dimensions + $(this).data("width", $("svg", $(this)).width()); + $(this).data("height", $("svg", $(this)).height()); + // store unscaled clone of SVG element + $(this).data("svg", $(this).get(0).childNodes[0].cloneNode(true)); + }); + + // make diagram visible, hide container + $(".diagram").css("display", "none"); + $(".diagram svg").css({ + "position": "static", + "visibility": "visible", + "z-index": "auto" + }); + + // enable linking to diagrams + if($(location).attr("hash") == "#inheritance-diagram") { + diagrams.toggle($("#inheritance-diagram-container"), true); + } else if($(location).attr("hash") == "#content-diagram") { + diagrams.toggle($("#content-diagram-container"), true); + } + + $(".diagram-link").click(function() { + diagrams.toggle($(this).parent()); + }); + + // register resize function + $(window).resize(diagrams.resize); + + // don't bubble event to parent div + // when clicking on a node of a resized + // diagram + $("svg a").click(function(e) { + e.stopPropagation(); + }); + + diagrams.initHighlighting(); +}); + +/** + * Initializes the diagrams in the popup. + */ +diagrams.initPopup = function(id) +{ + // copy diagram from main window + if(!jQuery.browser.msie) + $("body").append(opener.$("#" + id).data("svg")); + + // positioning + $("svg").css("position", "absolute"); + $(window).resize(function() + { + var svg_w = $("svg").css("width").replace("px", ""); + var svg_h = $("svg").css("height").replace("px", ""); + var x = $(window).width() / 2 - svg_w / 2; + if(x < 0) x = 0; + var y = $(window).height() / 2 - svg_h / 2; + if(y < 0) y = 0; + $("svg").css("left", x + "px"); + $("svg").css("top", y + "px"); + }); + $(window).resize(); + + diagrams.initHighlighting(); + $("svg a").click(function(e) { + opener.diagrams.redirectFromPopup(this.href.baseVal); + window.close(); + }); + $(document).keyup(function(e) { + if (e.keyCode == 27) window.close(); + }); +} + +/** + * Initializes highlighting for nodes and edges. + */ +diagrams.initHighlighting = function() +{ + // helper function since $.hover doesn't work in IE + + function hover(elements, fn) + { + elements.mouseover(fn); + elements.mouseout(fn); + } + + // inheritance edges + + hover($("svg .edge.inheritance"), function(evt){ + var toggleClass = evt.type == "mouseout" ? diagrams.removeClass : diagrams.addClass; + var parts = $(this).attr("id").split("_"); + toggleClass($("#" + parts[0] + "_" + parts[1])); + toggleClass($("#" + parts[0] + "_" + parts[2])); + toggleClass($(this)); + }); + + // nodes + + hover($("svg .node"), function(evt){ + var toggleClass = evt.type == "mouseout" ? diagrams.removeClass : diagrams.addClass; + toggleClass($(this)); + var parts = $(this).attr("id").split("_"); + var index = parts[1]; + $("svg#" + parts[0] + " .edge.inheritance").each(function(){ + var parts2 = $(this).attr("id").split("_"); + if(parts2[1] == index) + { + toggleClass($("#" + parts2[0] + "_" + parts2[2])); + toggleClass($(this)); + } else if(parts2[2] == index) + { + toggleClass($("#" + parts2[0] + "_" + parts2[1])); + toggleClass($(this)); + } + }); + }); + + // incoming implicits + + hover($("svg .node.implicit-incoming"), function(evt){ + var toggleClass = evt.type == "mouseout" ? diagrams.removeClass : diagrams.addClass; + toggleClass($(this)); + toggleClass($("svg .edge.implicit-incoming")); + toggleClass($("svg .node.this")); + }); + + hover($("svg .edge.implicit-incoming"), function(evt){ + var toggleClass = evt.type == "mouseout" ? diagrams.removeClass : diagrams.addClass; + toggleClass($(this)); + toggleClass($("svg .node.this")); + $("svg .node.implicit-incoming").each(function(){ + toggleClass($(this)); + }); + }); + + // implicit outgoing nodes + + hover($("svg .node.implicit-outgoing"), function(evt){ + var toggleClass = evt.type == "mouseout" ? diagrams.removeClass : diagrams.addClass; + toggleClass($(this)); + toggleClass($("svg .edge.implicit-outgoing")); + toggleClass($("svg .node.this")); + }); + + hover($("svg .edge.implicit-outgoing"), function(evt){ + var toggleClass = evt.type == "mouseout" ? diagrams.removeClass : diagrams.addClass; + toggleClass($(this)); + toggleClass($("svg .node.this")); + $("svg .node.implicit-outgoing").each(function(){ + toggleClass($(this)); + }); + }); +}; + +/** + * Resizes the diagrams according to the available width. + */ +diagrams.resize = function() +{ + // available width + var availableWidth = $("body").width() - 20; + + $(".diagram-container").each(function() { + // unregister click event on whole div + $(".diagram", this).unbind("click"); + var diagramWidth = $(".diagram", this).data("width"); + var diagramHeight = $(".diagram", this).data("height"); + + if(diagramWidth > availableWidth) + { + // resize diagram + var height = diagramHeight / diagramWidth * availableWidth; + $(".diagram svg", this).width(availableWidth); + $(".diagram svg", this).height(height); + + // register click event on whole div + $(".diagram", this).click(function() { + diagrams.popup($(this)); + }); + $(".diagram", this).addClass("magnifying"); + } + else + { + // restore full size of diagram + $(".diagram svg", this).width(diagramWidth); + $(".diagram svg", this).height(diagramHeight); + // don't show custom cursor any more + $(".diagram", this).removeClass("magnifying"); + } + }); +}; + +/** + * Shows or hides a diagram depending on its current state. + */ +diagrams.toggle = function(container, dontAnimate) +{ + // change class of link + $(".diagram-link", container).toggleClass("open"); + // get element to show / hide + var div = $(".diagram", container); + if (div.is(':visible')) + { + $(".diagram-help", container).hide(); + div.unbind("click"); + div.removeClass("magnifying"); + div.slideUp(100); + } + else + { + diagrams.resize(); + if(dontAnimate) + div.show(); + else + div.slideDown(100); + $(".diagram-help", container).show(); + } +}; + +/** + * Opens a popup containing a copy of a diagram. + */ +diagrams.windows = {}; +diagrams.popup = function(diagram) +{ + var id = diagram.attr("id"); + if(!diagrams.windows[id] || diagrams.windows[id].closed) { + var title = $(".symbol .name", $("#signature")).text(); + // cloning from parent window to popup somehow doesn't work in IE + // therefore include the SVG as a string into the HTML + var svgIE = jQuery.browser.msie ? $("<div />").append(diagram.data("svg")).html() : ""; + var html = '' + + '<?xml version="1.0" encoding="UTF-8"?>\n' + + '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">\n' + + '<html>\n' + + ' <head>\n' + + ' <title>' + title + '</title>\n' + + ' <link href="' + $("#diagrams-css").attr("href") + '" media="screen" type="text/css" rel="stylesheet" />\n' + + ' <script type="text/javascript" src="' + $("#jquery-js").attr("src") + '"></script>\n' + + ' <script type="text/javascript" src="' + $("#diagrams-js").attr("src") + '"></script>\n' + + ' <script type="text/javascript">\n' + + ' diagrams.isPopup = true;\n' + + ' </script>\n' + + ' </head>\n' + + ' <body onload="diagrams.initPopup(\'' + id + '\');">\n' + + ' <a href="#" onclick="window.close();" id="close-link">Close this window</a>\n' + + ' ' + svgIE + '\n' + + ' </body>\n' + + '</html>'; + + var padding = 30; + var screenHeight = screen.availHeight; + var screenWidth = screen.availWidth; + var w = Math.min(screenWidth, diagram.data("width") + 2 * padding); + var h = Math.min(screenHeight, diagram.data("height") + 2 * padding); + var left = (screenWidth - w) / 2; + var top = (screenHeight - h) / 2; + var parameters = "height=" + h + ", width=" + w + ", left=" + left + ", top=" + top + ", scrollbars=yes, location=no, resizable=yes"; + var win = window.open("about:blank", "_blank", parameters); + win.document.open(); + win.document.write(html); + win.document.close(); + diagrams.windows[id] = win; + } + win.focus(); +}; + +/** + * This method is called from within the popup when a node is clicked. + */ +diagrams.redirectFromPopup = function(url) +{ + window.location = url; +}; + +/** + * Helper method that adds a class to a SVG element. + */ +diagrams.addClass = function(svgElem, newClass) { + newClass = newClass || "over"; + var classes = svgElem.attr("class"); + if ($.inArray(newClass, classes.split(/\s+/)) == -1) { + classes += (classes ? ' ' : '') + newClass; + svgElem.attr("class", classes); + } +}; + +/** + * Helper method that removes a class from a SVG element. + */ +diagrams.removeClass = function(svgElem, oldClass) { + oldClass = oldClass || "over"; + var classes = svgElem.attr("class"); + classes = $.grep(classes.split(/\s+/), function(n, i) { return n != oldClass; }).join(' '); + svgElem.attr("class", classes); +}; + diff --git a/src/compiler/scala/tools/nsc/doc/html/resource/lib/modernizr.custom.js b/src/compiler/scala/tools/nsc/doc/html/resource/lib/modernizr.custom.js new file mode 100644 index 0000000000..4688d633fe --- /dev/null +++ b/src/compiler/scala/tools/nsc/doc/html/resource/lib/modernizr.custom.js @@ -0,0 +1,4 @@ +/* Modernizr 2.5.3 (Custom Build) | MIT & BSD + * Build: http://www.modernizr.com/download/#-inlinesvg + */ +;window.Modernizr=function(a,b,c){function u(a){i.cssText=a}function v(a,b){return u(prefixes.join(a+";")+(b||""))}function w(a,b){return typeof a===b}function x(a,b){return!!~(""+a).indexOf(b)}function y(a,b,d){for(var e in a){var f=b[a[e]];if(f!==c)return d===!1?a[e]:w(f,"function")?f.bind(d||b):f}return!1}var d="2.5.3",e={},f=b.documentElement,g="modernizr",h=b.createElement(g),i=h.style,j,k={}.toString,l={svg:"http://www.w3.org/2000/svg"},m={},n={},o={},p=[],q=p.slice,r,s={}.hasOwnProperty,t;!w(s,"undefined")&&!w(s.call,"undefined")?t=function(a,b){return s.call(a,b)}:t=function(a,b){return b in a&&w(a.constructor.prototype[b],"undefined")},Function.prototype.bind||(Function.prototype.bind=function(b){var c=this;if(typeof c!="function")throw new TypeError;var d=q.call(arguments,1),e=function(){if(this instanceof e){var a=function(){};a.prototype=c.prototype;var f=new a,g=c.apply(f,d.concat(q.call(arguments)));return Object(g)===g?g:f}return c.apply(b,d.concat(q.call(arguments)))};return e}),m.inlinesvg=function(){var a=b.createElement("div");return a.innerHTML="<svg/>",(a.firstChild&&a.firstChild.namespaceURI)==l.svg};for(var z in m)t(m,z)&&(r=z.toLowerCase(),e[r]=m[z](),p.push((e[r]?"":"no-")+r));return u(""),h=j=null,e._version=d,e}(this,this.document);
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