| // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| library script_inset_element; |
| |
| import 'dart:async'; |
| import 'dart:html'; |
| import 'dart:math'; |
| import 'observatory_element.dart'; |
| import 'service_ref.dart'; |
| import 'package:observatory/service.dart'; |
| import 'package:observatory/utils.dart'; |
| import 'package:polymer/polymer.dart'; |
| import 'package:logging/logging.dart'; |
| |
| const nbsp = "\u00A0"; |
| |
| void addInfoBox(Element content, Function infoBoxGenerator) { |
| var infoBox; |
| var show = false; |
| var originalBackground = content.style.backgroundColor; |
| buildInfoBox() { |
| infoBox = infoBoxGenerator(); |
| infoBox.style.position = 'absolute'; |
| infoBox.style.padding = '1em'; |
| infoBox.style.border = 'solid black 2px'; |
| infoBox.style.zIndex = '10'; |
| infoBox.style.backgroundColor = 'white'; |
| infoBox.style.cursor = 'auto'; |
| // Don't inherit pre formating from the script lines. |
| infoBox.style.whiteSpace = 'normal'; |
| content.append(infoBox); |
| } |
| content.onClick.listen((event) { |
| show = !show; |
| if (infoBox == null) buildInfoBox(); // Created lazily on the first click. |
| infoBox.style.display = show ? 'block' : 'none'; |
| content.style.backgroundColor = show ? 'white' : originalBackground; |
| }); |
| |
| // Causes infoBox to be positioned relative to the bottom-left of content. |
| content.style.display = 'inline-block'; |
| content.style.cursor = 'pointer'; |
| } |
| |
| |
| void addLink(Element content, String target) { |
| // Ick, destructive but still compatible with also adding an info box. |
| var a = new AnchorElement(href: target); |
| a.text = content.text; |
| content.text = ''; |
| content.append(a); |
| } |
| |
| |
| abstract class Annotation implements Comparable<Annotation> { |
| int line; |
| int columnStart; |
| int columnStop; |
| int get priority; |
| |
| void applyStyleTo(element); |
| |
| int compareTo(Annotation other) { |
| if (line == other.line) { |
| if (columnStart == other.columnStart) { |
| return priority.compareTo(other.priority); |
| } |
| return columnStart.compareTo(other.columnStart); |
| } |
| return line.compareTo(other.line); |
| } |
| |
| Element table() { |
| var e = new DivElement(); |
| e.style.display = "table"; |
| e.style.color = "#333"; |
| e.style.font = "400 14px 'Montserrat', sans-serif"; |
| return e; |
| } |
| |
| Element row([content]) { |
| var e = new DivElement(); |
| e.style.display = "table-row"; |
| if (content is String) e.text = content; |
| if (content is Element) e.children.add(content); |
| return e; |
| } |
| |
| Element cell(content) { |
| var e = new DivElement(); |
| e.style.display = "table-cell"; |
| e.style.padding = "3px"; |
| if (content is String) e.text = content; |
| if (content is Element) e.children.add(content); |
| return e; |
| } |
| |
| Element serviceRef(object) { |
| AnyServiceRefElement e = new Element.tag("any-service-ref"); |
| e.ref = object; |
| return e; |
| } |
| } |
| |
| class CurrentExecutionAnnotation extends Annotation { |
| int priority = 0; // highest priority. |
| |
| void applyStyleTo(element) { |
| if (element == null) { |
| return; // TODO(rmacnak): Handling overlapping annotations. |
| } |
| element.classes.add("currentCol"); |
| element.title = "Current execution"; |
| } |
| } |
| |
| class BreakpointAnnotation extends Annotation { |
| Breakpoint bpt; |
| int priority = 1; |
| |
| BreakpointAnnotation(this.bpt) { |
| var script = bpt.location.script; |
| var location = bpt.location; |
| if (location.tokenPos != null) { |
| var pos = location.tokenPos; |
| line = script.tokenToLine(pos); |
| columnStart = script.tokenToCol(pos) - 1; // tokenToCol is 1-origin. |
| } else if (location is UnresolvedSourceLocation) { |
| line = location.line; |
| columnStart = location.column; |
| if (columnStart == null) { |
| columnStart = 0; |
| } |
| } |
| var length = script.guessTokenLength(line, columnStart); |
| if (length == null) { |
| length = 1; |
| } |
| columnStop = columnStart + length; |
| } |
| |
| void applyStyleTo(element) { |
| if (element == null) { |
| return; // TODO(rmacnak): Handling overlapping annotations. |
| } |
| var script = bpt.location.script; |
| var pos = bpt.location.tokenPos; |
| int line = script.tokenToLine(pos); |
| int column = script.tokenToCol(pos); |
| if (bpt.resolved) { |
| element.classes.add("resolvedBreakAnnotation"); |
| } else { |
| element.classes.add("unresolvedBreakAnnotation"); |
| } |
| element.title = "Breakpoint ${bpt.number} at ${line}:${column}"; |
| } |
| } |
| |
| class LibraryAnnotation extends Annotation { |
| Library target; |
| String url; |
| int priority = 2; |
| |
| LibraryAnnotation(this.target, this.url); |
| |
| void applyStyleTo(element) { |
| if (element == null) { |
| return; // TODO(rmacnak): Handling overlapping annotations. |
| } |
| element.title = "library ${target.uri}"; |
| addLink(element, url); |
| } |
| } |
| |
| class PartAnnotation extends Annotation { |
| Script part; |
| String url; |
| int priority = 2; |
| |
| PartAnnotation(this.part, this.url); |
| |
| void applyStyleTo(element) { |
| if (element == null) { |
| return; // TODO(rmacnak): Handling overlapping annotations. |
| } |
| element.title = "script ${part.uri}"; |
| addLink(element, url); |
| } |
| } |
| |
| class LocalVariableAnnotation extends Annotation { |
| final value; |
| int priority = 2; |
| |
| LocalVariableAnnotation(LocalVarLocation location, this.value) { |
| line = location.line; |
| columnStart = location.column; |
| columnStop = location.endColumn; |
| } |
| |
| void applyStyleTo(element) { |
| if (element == null) { |
| return; // TODO(rmacnak): Handling overlapping annotations. |
| } |
| element.style.fontWeight = "bold"; |
| element.title = "${value.shortName}"; |
| } |
| } |
| |
| class CallSiteAnnotation extends Annotation { |
| CallSite callSite; |
| int priority = 2; |
| |
| CallSiteAnnotation(this.callSite) { |
| line = callSite.line; |
| columnStart = callSite.column - 1; // Call site is 1-origin. |
| var tokenLength = callSite.script.guessTokenLength(line, columnStart); |
| if (tokenLength == null) { |
| tokenLength = callSite.name.length; // Approximate. |
| if (callSite.name.startsWith("get:") || |
| callSite.name.startsWith("set:")) tokenLength -= 4; |
| } |
| columnStop = columnStart + tokenLength; |
| } |
| |
| void applyStyleTo(element) { |
| if (element == null) { |
| return; // TODO(rmacnak): Handling overlapping annotations. |
| } |
| element.style.fontWeight = "bold"; |
| element.title = "Call site: ${callSite.name}"; |
| |
| addInfoBox(element, () { |
| var details = table(); |
| if (callSite.entries.isEmpty) { |
| details.append(row('Call of "${callSite.name}" did not execute')); |
| } else { |
| var r = row(); |
| r.append(cell("Container")); |
| r.append(cell("Count")); |
| r.append(cell("Target")); |
| details.append(r); |
| |
| for (var entry in callSite.entries) { |
| var r = row(); |
| r.append(cell(serviceRef(entry.receiver))); |
| r.append(cell(entry.count.toString())); |
| r.append(cell(serviceRef(entry.target))); |
| details.append(r); |
| } |
| } |
| return details; |
| }); |
| } |
| } |
| |
| abstract class DeclarationAnnotation extends Annotation { |
| String url; |
| int priority = 2; |
| |
| DeclarationAnnotation(decl, this.url) { |
| assert(decl.loaded); |
| SourceLocation location = decl.location; |
| if (location == null) { |
| line = 0; |
| columnStart = 0; |
| columnStop = 0; |
| return; |
| } |
| |
| Script script = location.script; |
| line = script.tokenToLine(location.tokenPos); |
| columnStart = script.tokenToCol(location.tokenPos); |
| if ((line == null) || (columnStart == null)) { |
| line = 0; |
| columnStart = 0; |
| columnStop = 0; |
| } else { |
| columnStart--; // 1-origin -> 0-origin. |
| |
| // The method's token position is at the beginning of the method |
| // declaration, which may be a return type annotation, metadata, static |
| // modifier, etc. Try to scan forward to position this annotation on the |
| // function's name instead. |
| var lineSource = script.getLine(line).text; |
| var betterStart = lineSource.indexOf(decl.name, columnStart); |
| if (betterStart != -1) { |
| columnStart = betterStart; |
| } |
| columnStop = columnStart + decl.name.length; |
| } |
| } |
| } |
| |
| class ClassDeclarationAnnotation extends DeclarationAnnotation { |
| Class klass; |
| |
| ClassDeclarationAnnotation(Class cls, String url) |
| : klass = cls, |
| super(cls, url); |
| |
| void applyStyleTo(element) { |
| if (element == null) { |
| return; // TODO(rmacnak): Handling overlapping annotations. |
| } |
| element.title = "class ${klass.name}"; |
| addLink(element, url); |
| } |
| } |
| |
| class FieldDeclarationAnnotation extends DeclarationAnnotation { |
| Field field; |
| |
| FieldDeclarationAnnotation(Field fld, String url) |
| : field = fld, |
| super(fld, url); |
| |
| void applyStyleTo(element) { |
| if (element == null) { |
| return; // TODO(rmacnak): Handling overlapping annotations. |
| } |
| var tooltip = "field ${field.name}"; |
| element.title = tooltip; |
| addLink(element, url); |
| } |
| } |
| |
| class FunctionDeclarationAnnotation extends DeclarationAnnotation { |
| ServiceFunction function; |
| |
| FunctionDeclarationAnnotation(ServiceFunction func, String url) |
| : function = func, |
| super(func, url); |
| |
| void applyStyleTo(element) { |
| if (element == null) { |
| return; // TODO(rmacnak): Handling overlapping annotations. |
| } |
| var tooltip = "method ${function.name}"; |
| if (function.isOptimizable == false) { |
| tooltip += "\nUnoptimizable!"; |
| } |
| if (function.isInlinable == false) { |
| tooltip += "\nNot inlinable!"; |
| } |
| if (function.deoptimizations > 0) { |
| tooltip += "\nDeoptimized ${function.deoptimizations} times!"; |
| } |
| element.title = tooltip; |
| |
| if (function.isOptimizable == false || |
| function.isInlinable == false || |
| function.deoptimizations >0) { |
| element.style.backgroundColor = "#EEA7A7"; // Low-saturation red. |
| } |
| |
| addLink(element, url); |
| } |
| } |
| |
| class ScriptLineProfile { |
| ScriptLineProfile(this.line, this.sampleCount); |
| |
| static const kHotThreshold = 0.05; // 5%. |
| static const kMediumThreshold = 0.02; // 2%. |
| |
| final int line; |
| final int sampleCount; |
| |
| int selfTicks = 0; |
| int totalTicks = 0; |
| |
| void process(int exclusive, int inclusive) { |
| selfTicks += exclusive; |
| totalTicks += inclusive; |
| } |
| |
| String get formattedSelfTicks { |
| return Utils.formatPercent(selfTicks, sampleCount); |
| } |
| |
| String get formattedTotalTicks { |
| return Utils.formatPercent(totalTicks, sampleCount); |
| } |
| |
| double _percent(bool self) { |
| if (sampleCount == 0) { |
| return 0.0; |
| } |
| if (self) { |
| return selfTicks / sampleCount; |
| } else { |
| return totalTicks / sampleCount; |
| } |
| } |
| |
| bool isHot(bool self) => _percent(self) > kHotThreshold; |
| bool isMedium(bool self) => _percent(self) > kMediumThreshold; |
| } |
| |
| /// Box with script source code in it. |
| @CustomTag('script-inset') |
| class ScriptInsetElement extends ObservatoryElement { |
| @published Script script; |
| @published int startPos; |
| @published int endPos; |
| |
| /// Set the height to make the script inset scroll. Otherwise it |
| /// will show from startPos to endPos. |
| @published String height = null; |
| |
| @published int currentPos; |
| @published bool inDebuggerContext = false; |
| @published ObservableList variables; |
| |
| @published Element scroller; |
| RefreshButtonElement _refreshButton; |
| ToggleButtonElement _toggleProfileButton; |
| |
| int _currentLine; |
| int _currentCol; |
| int _startLine; |
| int _endLine; |
| |
| Map<int, List<ServiceMap>> _rangeMap = {}; |
| Set _callSites = new Set<CallSite>(); |
| Set _possibleBreakpointLines = new Set<int>(); |
| Map<int, ScriptLineProfile> _profileMap = {}; |
| |
| var annotations = []; |
| var annotationsCursor; |
| |
| StreamSubscription _scriptChangeSubscription; |
| Future<StreamSubscription> _debugSubscriptionFuture; |
| StreamSubscription _scrollSubscription; |
| |
| bool hasLoadedLibraryDeclarations = false; |
| bool _includeProfile = false; |
| |
| String makeLineId(int line) { |
| return 'line-$line'; |
| } |
| |
| void _scrollToCurrentPos() { |
| var line = shadowRoot.getElementById(makeLineId(_currentLine)); |
| if (line != null) { |
| line.scrollIntoView(); |
| } |
| } |
| |
| void attached() { |
| super.attached(); |
| _debugSubscriptionFuture = |
| app.vm.listenEventStream(VM.kDebugStream, _onDebugEvent); |
| if (scroller != null) { |
| _scrollSubscription = scroller.onScroll.listen(_onScroll); |
| } else { |
| _scrollSubscription = window.onScroll.listen(_onScroll); |
| } |
| } |
| |
| void detached() { |
| cancelFutureSubscription(_debugSubscriptionFuture); |
| _debugSubscriptionFuture = null; |
| if (_scrollSubscription != null) { |
| _scrollSubscription.cancel(); |
| _scrollSubscription = null; |
| } |
| if (_scriptChangeSubscription != null) { |
| // Don't leak. If only Dart and Javascript exposed weak references... |
| _scriptChangeSubscription.cancel(); |
| _scriptChangeSubscription = null; |
| } |
| super.detached(); |
| } |
| |
| void _onScroll(event) { |
| if (_refreshButton != null) { |
| var newTop = _buttonTop(_refreshButton); |
| if (_refreshButton.style.top != newTop) { |
| _refreshButton.style.top = '${newTop}px'; |
| } |
| } |
| if (_toggleProfileButton != null) { |
| var newTop = _buttonTop(_toggleProfileButton); |
| if (_toggleProfileButton.style.top != newTop) { |
| _toggleProfileButton.style.top = '${newTop}px'; |
| } |
| } |
| } |
| |
| void _onDebugEvent(event) { |
| if (script == null) { |
| return; |
| } |
| switch (event.kind) { |
| case ServiceEvent.kBreakpointAdded: |
| case ServiceEvent.kBreakpointResolved: |
| case ServiceEvent.kBreakpointRemoved: |
| var loc = event.breakpoint.location; |
| if (loc.script == script) { |
| int line; |
| if (loc.tokenPos != null) { |
| line = script.tokenToLine(loc.tokenPos); |
| } else { |
| line = loc.line; |
| } |
| if ((line >= _startLine) && (line <= _endLine)) { |
| _updateTask.queue(); |
| } |
| } |
| break; |
| default: |
| // Ignore. |
| break; |
| } |
| } |
| |
| void currentPosChanged(oldValue) { |
| _updateTask.queue(); |
| _scrollToCurrentPos(); |
| } |
| |
| void startPosChanged(oldValue) { |
| _updateTask.queue(); |
| } |
| |
| void endPosChanged(oldValue) { |
| _updateTask.queue(); |
| } |
| |
| void scriptChanged(oldValue) { |
| _updateTask.queue(); |
| } |
| |
| void variablesChanged(oldValue) { |
| _updateTask.queue(); |
| } |
| |
| Element a(String text) => new AnchorElement()..text = text; |
| Element span(String text) => new SpanElement()..text = text; |
| |
| Element hitsCurrent(Element element) { |
| element.classes.add('hitsCurrent'); |
| element.title = ""; |
| return element; |
| } |
| Element hitsUnknown(Element element) { |
| element.classes.add('hitsNone'); |
| element.title = ""; |
| return element; |
| } |
| Element hitsNotExecuted(Element element) { |
| element.classes.add('hitsNotExecuted'); |
| element.title = "Line did not execute"; |
| return element; |
| } |
| Element hitsExecuted(Element element) { |
| element.classes.add('hitsExecuted'); |
| element.title = "Line did execute"; |
| return element; |
| } |
| Element hitsCompiled(Element element) { |
| element.classes.add('hitsCompiled'); |
| element.title = "Line in compiled function"; |
| return element; |
| } |
| Element hitsNotCompiled(Element element) { |
| element.classes.add('hitsNotCompiled'); |
| element.title = "Line in uncompiled function"; |
| return element; |
| } |
| |
| Element container; |
| |
| Future _refresh() async { |
| await update(); |
| } |
| |
| // Build _rangeMap and _callSites from a source report. |
| Future _refreshSourceReport() async { |
| var reports = [Isolate.kCallSitesReport, |
| Isolate.kPossibleBreakpointsReport]; |
| if (_includeProfile) { |
| reports.add(Isolate.kProfileReport); |
| } |
| var sourceReport = await script.isolate.getSourceReport( |
| reports, |
| script, startPos, endPos); |
| _possibleBreakpointLines = getPossibleBreakpointLines(sourceReport, script); |
| _rangeMap.clear(); |
| _callSites.clear(); |
| _profileMap.clear(); |
| for (var range in sourceReport['ranges']) { |
| int startLine = script.tokenToLine(range['startPos']); |
| int endLine = script.tokenToLine(range['endPos']); |
| // TODO(turnidge): Track down the root cause of null startLine/endLine. |
| if ((startLine != null) && (endLine != null)) { |
| for (var line = startLine; line <= endLine; line++) { |
| var rangeList = _rangeMap[line]; |
| if (rangeList == null) { |
| _rangeMap[line] = [range]; |
| } else { |
| rangeList.add(range); |
| } |
| } |
| } |
| if (_includeProfile && range['profile'] != null) { |
| List positions = range['profile']['positions']; |
| List exclusiveTicks = range['profile']['exclusiveTicks']; |
| List inclusiveTicks = range['profile']['inclusiveTicks']; |
| int sampleCount = range['profile']['metadata']['sampleCount']; |
| assert(positions.length == exclusiveTicks.length); |
| assert(positions.length == inclusiveTicks.length); |
| for (int i = 0; i < positions.length; i++) { |
| if (positions[i] is String) { |
| // String positions are classifying token positions. |
| // TODO(johnmccutchan): Add classifier data to UI. |
| continue; |
| } |
| int line = script.tokenToLine(positions[i]); |
| ScriptLineProfile lineProfile = _profileMap[line]; |
| if (lineProfile == null) { |
| lineProfile = new ScriptLineProfile(line, sampleCount); |
| _profileMap[line] = lineProfile; |
| } |
| lineProfile.process(exclusiveTicks[i], inclusiveTicks[i]); |
| } |
| } |
| if (range['compiled']) { |
| var rangeCallSites = range['callSites']; |
| if (rangeCallSites != null) { |
| for (var callSiteMap in rangeCallSites) { |
| _callSites.add(new CallSite.fromMap(callSiteMap, script)); |
| } |
| } |
| } |
| } |
| } |
| |
| Task _updateTask; |
| Future update() async { |
| assert(_updateTask != null); |
| if (script == null) { |
| // We may have previously had a script. |
| if (container != null) { |
| container.children.clear(); |
| } |
| return; |
| } |
| if (!script.loaded) { |
| await script.load(); |
| } |
| if (_scriptChangeSubscription == null) { |
| _scriptChangeSubscription = script.changes.listen((_) => update()); |
| } |
| await _refreshSourceReport(); |
| |
| computeAnnotations(); |
| |
| var table = linesTable(); |
| var firstBuild = false; |
| if (container == null) { |
| // Indirect to avoid deleting the style element. |
| container = new DivElement(); |
| shadowRoot.append(container); |
| firstBuild = true; |
| } |
| container.children.clear(); |
| container.children.add(table); |
| makeCssClassUncopyable(table, "noCopy"); |
| if (firstBuild) { |
| _scrollToCurrentPos(); |
| } |
| } |
| |
| void computeAnnotations() { |
| _startLine = (startPos != null |
| ? script.tokenToLine(startPos) |
| : 1 + script.lineOffset); |
| _currentLine = (currentPos != null |
| ? script.tokenToLine(currentPos) |
| : null); |
| _currentCol = (currentPos != null |
| ? (script.tokenToCol(currentPos)) |
| : null); |
| if (_currentCol != null) { |
| _currentCol--; // make this 0-based. |
| } |
| |
| _endLine = (endPos != null |
| ? script.tokenToLine(endPos) |
| : script.lines.length + script.lineOffset); |
| |
| if (_startLine == null || _endLine == null) { |
| return; |
| } |
| |
| annotations.clear(); |
| |
| addCurrentExecutionAnnotation(); |
| addBreakpointAnnotations(); |
| |
| if (!inDebuggerContext && script.library != null) { |
| if (hasLoadedLibraryDeclarations) { |
| addLibraryAnnotations(); |
| addDependencyAnnotations(); |
| addPartAnnotations(); |
| addClassAnnotations(); |
| addFieldAnnotations(); |
| addFunctionAnnotations(); |
| addCallSiteAnnotations(); |
| } else { |
| loadDeclarationsOfLibrary(script.library).then((_) { |
| hasLoadedLibraryDeclarations = true; |
| update(); |
| }); |
| } |
| } |
| |
| addLocalVariableAnnotations(); |
| |
| annotations.sort(); |
| } |
| |
| void addCurrentExecutionAnnotation() { |
| if (_currentLine != null) { |
| var a = new CurrentExecutionAnnotation(); |
| a.line = _currentLine; |
| a.columnStart = _currentCol; |
| var length = script.guessTokenLength(_currentLine, _currentCol); |
| if (length == null) { |
| length = 1; |
| } |
| a.columnStop = _currentCol + length; |
| annotations.add(a); |
| } |
| } |
| |
| void addBreakpointAnnotations() { |
| for (var line = _startLine; line <= _endLine; line++) { |
| var bpts = script.getLine(line).breakpoints; |
| if (bpts != null) { |
| for (var bpt in bpts) { |
| if (bpt.location != null) { |
| annotations.add(new BreakpointAnnotation(bpt)); |
| } |
| } |
| } |
| } |
| } |
| |
| Future loadDeclarationsOfLibrary(Library lib) { |
| return lib.load().then((lib) { |
| var loads = []; |
| for (var func in lib.functions) { |
| loads.add(func.load()); |
| } |
| for (var field in lib.variables) { |
| loads.add(field.load()); |
| } |
| for (var cls in lib.classes) { |
| loads.add(loadDeclarationsOfClass(cls)); |
| } |
| return Future.wait(loads); |
| }); |
| } |
| |
| Future loadDeclarationsOfClass(Class cls) { |
| return cls.load().then((cls) { |
| var loads = []; |
| for (var func in cls.functions) { |
| loads.add(func.load()); |
| } |
| for (var field in cls.fields) { |
| loads.add(field.load()); |
| } |
| return Future.wait(loads); |
| }); |
| } |
| |
| String inspectLink(ServiceObject ref) { |
| return gotoLink('/inspect', ref); |
| } |
| |
| void addLibraryAnnotations() { |
| for (ScriptLine line in script.lines) { |
| // TODO(rmacnak): Use a real scanner. |
| var pattern = new RegExp("library ${script.library.name}"); |
| var match = pattern.firstMatch(line.text); |
| if (match != null) { |
| var anno = new LibraryAnnotation(script.library, |
| inspectLink(script.library)); |
| anno.line = line.line; |
| anno.columnStart = match.start + 8; |
| anno.columnStop = match.end; |
| annotations.add(anno); |
| } |
| // TODO(rmacnak): Use a real scanner. |
| pattern = new RegExp("part of ${script.library.name}"); |
| match = pattern.firstMatch(line.text); |
| if (match != null) { |
| var anno = new LibraryAnnotation(script.library, |
| inspectLink(script.library)); |
| anno.line = line.line; |
| anno.columnStart = match.start + 8; |
| anno.columnStop = match.end; |
| annotations.add(anno); |
| } |
| } |
| } |
| |
| Library resolveDependency(String relativeUri) { |
| // This isn't really correct: we need to ask the embedder to do the |
| // uri canonicalization for us, but Observatory isn't in a position |
| // to invoke the library tag handler. Handle the most common cases. |
| var targetUri = Uri.parse(script.library.uri).resolve(relativeUri); |
| for (Library l in script.isolate.libraries) { |
| if (targetUri.toString() == l.uri) { |
| return l; |
| } |
| } |
| if (targetUri.scheme == 'package') { |
| targetUri = "packages/${targetUri.path}"; |
| for (Library l in script.isolate.libraries) { |
| if (targetUri.toString() == l.uri) { |
| return l; |
| } |
| } |
| } |
| |
| Logger.root.info("Could not resolve library dependency: $relativeUri"); |
| return null; |
| } |
| |
| void addDependencyAnnotations() { |
| // TODO(rmacnak): Use a real scanner. |
| var patterns = [ |
| new RegExp("import '(.*)'"), |
| new RegExp('import "(.*)"'), |
| new RegExp("export '(.*)'"), |
| new RegExp('export "(.*)"'), |
| ]; |
| for (ScriptLine line in script.lines) { |
| for (var pattern in patterns) { |
| var match = pattern.firstMatch(line.text); |
| if (match != null) { |
| Library target = resolveDependency(match[1]); |
| if (target != null) { |
| var anno = new LibraryAnnotation(target, inspectLink(target)); |
| anno.line = line.line; |
| anno.columnStart = match.start + 8; |
| anno.columnStop = match.end - 1; |
| annotations.add(anno); |
| } |
| } |
| } |
| } |
| } |
| |
| Script resolvePart(String relativeUri) { |
| var rootUri = Uri.parse(script.library.uri); |
| if (rootUri.scheme == 'dart') { |
| // The relative paths from dart:* libraries to their parts are not valid. |
| rootUri = new Uri.directory(script.library.uri); |
| } |
| var targetUri = rootUri.resolve(relativeUri); |
| for (Script s in script.library.scripts) { |
| if (targetUri.toString() == s.uri) { |
| return s; |
| } |
| } |
| Logger.root.info("Could not resolve part: $relativeUri"); |
| return null; |
| } |
| |
| void addPartAnnotations() { |
| // TODO(rmacnak): Use a real scanner. |
| var patterns = [ |
| new RegExp("part '(.*)'"), |
| new RegExp('part "(.*)"'), |
| ]; |
| for (ScriptLine line in script.lines) { |
| for (var pattern in patterns) { |
| var match = pattern.firstMatch(line.text); |
| if (match != null) { |
| Script part = resolvePart(match[1]); |
| if (part != null) { |
| var anno = new PartAnnotation(part, inspectLink(part)); |
| anno.line = line.line; |
| anno.columnStart = match.start + 6; |
| anno.columnStop = match.end - 1; |
| annotations.add(anno); |
| } |
| } |
| } |
| } |
| } |
| |
| void addClassAnnotations() { |
| for (var cls in script.library.classes) { |
| if ((cls.location != null) && (cls.location.script == script)) { |
| var a = new ClassDeclarationAnnotation(cls, inspectLink(cls)); |
| annotations.add(a); |
| } |
| } |
| } |
| |
| void addFieldAnnotations() { |
| for (var field in script.library.variables) { |
| if ((field.location != null) && (field.location.script == script)) { |
| var a = new FieldDeclarationAnnotation(field, inspectLink(field)); |
| annotations.add(a); |
| } |
| } |
| for (var cls in script.library.classes) { |
| for (var field in cls.fields) { |
| if ((field.location != null) && (field.location.script == script)) { |
| var a = new FieldDeclarationAnnotation(field, inspectLink(field)); |
| annotations.add(a); |
| } |
| } |
| } |
| } |
| |
| void addFunctionAnnotations() { |
| for (var func in script.library.functions) { |
| if ((func.location != null) && |
| (func.location.script == script) && |
| (func.kind != FunctionKind.kImplicitGetterFunction) && |
| (func.kind != FunctionKind.kImplicitSetterFunction)) { |
| // We annotate a field declaration with the field instead of the |
| // implicit getter or setter. |
| var a = new FunctionDeclarationAnnotation(func, inspectLink(func)); |
| annotations.add(a); |
| } |
| } |
| for (var cls in script.library.classes) { |
| for (var func in cls.functions) { |
| if ((func.location != null) && |
| (func.location.script == script) && |
| (func.kind != FunctionKind.kImplicitGetterFunction) && |
| (func.kind != FunctionKind.kImplicitSetterFunction)) { |
| // We annotate a field declaration with the field instead of the |
| // implicit getter or setter. |
| var a = new FunctionDeclarationAnnotation(func, inspectLink(func)); |
| annotations.add(a); |
| } |
| } |
| } |
| } |
| |
| void addCallSiteAnnotations() { |
| for (var callSite in _callSites) { |
| annotations.add(new CallSiteAnnotation(callSite)); |
| } |
| } |
| |
| void addLocalVariableAnnotations() { |
| // We have local variable information. |
| if (variables != null) { |
| // For each variable. |
| for (var variable in variables) { |
| // Find variable usage locations. |
| var locations = script.scanForLocalVariableLocations( |
| variable['name'], |
| variable['_tokenPos'], |
| variable['_endTokenPos']); |
| |
| // Annotate locations. |
| for (var location in locations) { |
| annotations.add(new LocalVariableAnnotation(location, |
| variable['value'])); |
| } |
| } |
| } |
| } |
| |
| int _buttonTop(Element element) { |
| if (element == null) { |
| return 5; |
| } |
| const padding = 5; |
| // TODO (cbernaschina) check if this is needed. |
| const navbarHeight = 40; |
| var rect = getBoundingClientRect(); |
| var buttonHeight = element.clientHeight; |
| return min(max(0, navbarHeight - rect.top) + padding, |
| rect.height - (buttonHeight + padding)); |
| } |
| |
| RefreshButtonElement _newRefreshButton() { |
| var button = new Element.tag('refresh-button'); |
| button.style.position = 'absolute'; |
| button.style.display = 'inline-block'; |
| button.style.top = '${_buttonTop(null)}px'; |
| button.style.right = '5px'; |
| button.callback = _refresh; |
| button.title = 'Refresh coverage'; |
| return button; |
| } |
| |
| ToggleButtonElement _newToggleProfileButton() { |
| ToggleButtonElement button = new Element.tag('toggle-button'); |
| button.style.position = 'absolute'; |
| button.style.display = 'inline-block'; |
| button.style.top = '${_buttonTop(null)}px'; |
| button.style.right = '30px'; |
| button.title = 'Toggle CPU profile information'; |
| final String enabledColor = 'black'; |
| final String disabledColor = 'rgba(0, 0, 0 ,.3)'; |
| button.callback = (enabled) async { |
| _includeProfile = enabled; |
| if (button.children.length > 0) { |
| var content = button.children[0]; |
| if (enabled) { |
| content.style.color = enabledColor; |
| } else { |
| content.style.color = disabledColor; |
| } |
| } |
| await update(); |
| }; |
| button.children.add(new Element.tag('icon-whatshot')); |
| button.children[0].style.color = disabledColor; |
| button.enabled = _includeProfile; |
| return button; |
| } |
| |
| Element linesTable() { |
| var table = new DivElement(); |
| table.classes.add("sourceTable"); |
| |
| _refreshButton = _newRefreshButton(); |
| _toggleProfileButton = _newToggleProfileButton(); |
| table.append(_refreshButton); |
| table.append(_toggleProfileButton); |
| |
| if (_startLine == null || _endLine == null) { |
| return table; |
| } |
| |
| var endLine = (endPos != null |
| ? script.tokenToLine(endPos) |
| : script.lines.length + script.lineOffset); |
| var lineNumPad = endLine.toString().length; |
| |
| annotationsCursor = 0; |
| |
| int blankLineCount = 0; |
| for (int i = _startLine; i <= _endLine; i++) { |
| var line = script.getLine(i); |
| if (line.isBlank) { |
| // Try to introduce elipses if there are 4 or more contiguous |
| // blank lines. |
| blankLineCount++; |
| } else { |
| if (blankLineCount > 0) { |
| int firstBlank = i - blankLineCount; |
| int lastBlank = i - 1; |
| if (blankLineCount < 4) { |
| // Too few blank lines for an elipsis. |
| for (int j = firstBlank; j <= lastBlank; j++) { |
| table.append(lineElement(script.getLine(j), lineNumPad)); |
| } |
| } else { |
| // Add an elipsis for the skipped region. |
| table.append(lineElement(script.getLine(firstBlank), lineNumPad)); |
| table.append(lineElement(null, lineNumPad)); |
| table.append(lineElement(script.getLine(lastBlank), lineNumPad)); |
| } |
| blankLineCount = 0; |
| } |
| table.append(lineElement(line, lineNumPad)); |
| } |
| } |
| |
| return table; |
| } |
| |
| // Assumes annotations are sorted. |
| Annotation nextAnnotationOnLine(int line) { |
| if (annotationsCursor >= annotations.length) return null; |
| var annotation = annotations[annotationsCursor]; |
| |
| // Fast-forward past any annotations before the first line that |
| // we are displaying. |
| while (annotation.line < line) { |
| annotationsCursor++; |
| if (annotationsCursor >= annotations.length) return null; |
| annotation = annotations[annotationsCursor]; |
| } |
| |
| // Next annotation is for a later line, don't advance past it. |
| if (annotation.line != line) return null; |
| annotationsCursor++; |
| return annotation; |
| } |
| |
| Element lineElement(ScriptLine line, int lineNumPad) { |
| var e = new DivElement(); |
| e.classes.add("sourceRow"); |
| e.append(lineBreakpointElement(line)); |
| e.append(lineNumberElement(line, lineNumPad)); |
| if (_includeProfile) { |
| e.append(lineProfileElement(line, false)); |
| e.append(lineProfileElement(line, true)); |
| } |
| e.append(lineSourceElement(line)); |
| return e; |
| } |
| |
| Element lineProfileElement(ScriptLine line, bool self) { |
| var e = span(''); |
| e.classes.add('noCopy'); |
| if (self) { |
| e.title = 'Self %'; |
| } else { |
| e.title = 'Total %'; |
| } |
| |
| if (line == null) { |
| e.classes.add('notSourceProfile'); |
| e.text = nbsp; |
| return e; |
| } |
| |
| var ranges = _rangeMap[line.line]; |
| if ((ranges == null) || ranges.isEmpty) { |
| e.classes.add('notSourceProfile'); |
| e.text = nbsp; |
| return e; |
| } |
| |
| ScriptLineProfile lineProfile = _profileMap[line.line]; |
| if (lineProfile == null) { |
| e.classes.add('noProfile'); |
| e.text = nbsp; |
| return e; |
| } |
| |
| if (self) { |
| e.text = lineProfile.formattedSelfTicks; |
| } else { |
| e.text = lineProfile.formattedTotalTicks; |
| } |
| |
| if (lineProfile.isHot(self)) { |
| e.classes.add('hotProfile'); |
| } else if (lineProfile.isMedium(self)) { |
| e.classes.add('mediumProfile'); |
| } else { |
| e.classes.add('coldProfile'); |
| } |
| |
| return e; |
| } |
| |
| Element lineBreakpointElement(ScriptLine line) { |
| var e = new DivElement(); |
| if (line == null || !_possibleBreakpointLines.contains(line.line)) { |
| e.classes.add('noCopy'); |
| e.classes.add("emptyBreakpoint"); |
| e.text = nbsp; |
| return e; |
| } |
| |
| e.text = 'B'; |
| var busy = false; |
| void update() { |
| e.classes.clear(); |
| e.classes.add('noCopy'); |
| if (busy) { |
| e.classes.add("busyBreakpoint"); |
| } else if (line.breakpoints != null) { |
| bool resolved = false; |
| for (var bpt in line.breakpoints) { |
| if (bpt.resolved) { |
| resolved = true; |
| break; |
| } |
| } |
| if (resolved) { |
| e.classes.add("resolvedBreakpoint"); |
| } else { |
| e.classes.add("unresolvedBreakpoint"); |
| } |
| } else { |
| e.classes.add("possibleBreakpoint"); |
| } |
| } |
| |
| line.changes.listen((_) => update()); |
| e.onClick.listen((event) { |
| if (busy) { |
| return; |
| } |
| busy = true; |
| if (line.breakpoints == null) { |
| // No breakpoint. Add it. |
| line.script.isolate.addBreakpoint(line.script, line.line) |
| .catchError((e, st) { |
| if (e is! ServerRpcException || |
| (e as ServerRpcException).code != |
| ServerRpcException.kCannotAddBreakpoint) { |
| app.handleException(e, st); |
| }}) |
| .whenComplete(() { |
| busy = false; |
| update(); |
| }); |
| } else { |
| // Existing breakpoint. Remove it. |
| List pending = []; |
| for (var bpt in line.breakpoints) { |
| pending.add(line.script.isolate.removeBreakpoint(bpt)); |
| } |
| Future.wait(pending).then((_) { |
| busy = false; |
| update(); |
| }); |
| } |
| update(); |
| }); |
| update(); |
| return e; |
| } |
| |
| Element lineNumberElement(ScriptLine line, int lineNumPad) { |
| var lineNumber = line == null ? "..." : line.line; |
| var e = span("$nbsp${lineNumber.toString().padLeft(lineNumPad,nbsp)}$nbsp"); |
| e.classes.add('noCopy'); |
| if (lineNumber == _currentLine) { |
| hitsCurrent(e); |
| return e; |
| } |
| var ranges = _rangeMap[lineNumber]; |
| if ((ranges == null) || ranges.isEmpty) { |
| // This line is not code. |
| hitsUnknown(e); |
| return e; |
| } |
| bool compiled = true; |
| bool hasCallInfo = false; |
| bool executed = false; |
| for (var range in ranges) { |
| if (range['compiled']) { |
| for (var callSite in range['callSites']) { |
| var callLine = line.script.tokenToLine(callSite['tokenPos']); |
| if (lineNumber == callLine) { |
| // The call site is on the current line. |
| hasCallInfo = true; |
| for (var cacheEntry in callSite['cacheEntries']) { |
| if (cacheEntry['count'] > 0) { |
| // If any call site on the line has been executed, we |
| // mark the line as executed. |
| executed = true; |
| break; |
| } |
| } |
| } |
| } |
| } else { |
| // If any range isn't compiled, show the line as not compiled. |
| // This is necessary so that nested functions appear to be uncompiled. |
| compiled = false; |
| } |
| } |
| if (executed) { |
| hitsExecuted(e); |
| } else if (hasCallInfo) { |
| hitsNotExecuted(e); |
| } else if (compiled) { |
| hitsCompiled(e); |
| } else { |
| hitsNotCompiled(e); |
| } |
| return e; |
| } |
| |
| Element lineSourceElement(ScriptLine line) { |
| var e = new DivElement(); |
| e.classes.add("sourceItem"); |
| |
| if (line != null) { |
| if (line.line == _currentLine) { |
| e.classes.add("currentLine"); |
| } |
| |
| e.id = makeLineId(line.line); |
| |
| var position = 0; |
| consumeUntil(var stop) { |
| if (stop <= position) { |
| return null; // Empty gap between annotations/boundries. |
| } |
| if (stop > line.text.length) { |
| // Approximated token length can run past the end of the line. |
| stop = line.text.length; |
| } |
| |
| var chunk = line.text.substring(position, stop); |
| var chunkNode = span(chunk); |
| e.append(chunkNode); |
| position = stop; |
| return chunkNode; |
| } |
| |
| // TODO(rmacnak): Tolerate overlapping annotations. |
| var annotation; |
| while ((annotation = nextAnnotationOnLine(line.line)) != null) { |
| consumeUntil(annotation.columnStart); |
| annotation.applyStyleTo(consumeUntil(annotation.columnStop)); |
| } |
| consumeUntil(line.text.length); |
| } |
| |
| // So blank lines are included when copying script to the clipboard. |
| e.append(span('\n')); |
| |
| return e; |
| } |
| |
| ScriptInsetElement.created() |
| : super.created() { |
| _updateTask = new Task(update); |
| } |
| } |
| |
| @CustomTag('refresh-button') |
| class RefreshButtonElement extends PolymerElement { |
| RefreshButtonElement.created() : super.created(); |
| |
| @published var callback = null; |
| bool busy = false; |
| |
| Future buttonClick(var event, var b, var c) async { |
| if (busy) { |
| return; |
| } |
| busy = true; |
| if (callback != null) { |
| await callback(); |
| } |
| busy = false; |
| } |
| } |
| |
| |
| @CustomTag('toggle-button') |
| class ToggleButtonElement extends PolymerElement { |
| ToggleButtonElement.created() : super.created(); |
| |
| @published var callback = null; |
| @observable bool enabled = false; |
| |
| Future buttonClick(var event, var b, var c) async { |
| enabled = !enabled; |
| if (callback != null) { |
| await callback(enabled); |
| } |
| } |
| } |
| |
| |
| @CustomTag('source-inset') |
| class SourceInsetElement extends PolymerElement { |
| SourceInsetElement.created() : super.created(); |
| |
| @published SourceLocation location; |
| @published String height = null; |
| @published int currentPos; |
| @published bool inDebuggerContext = false; |
| @published ObservableList variables; |
| @published Element scroller; |
| } |
