Remove code that requires whole-program compile

lib/src/summary.dart

-// Copyright (c) 2015, 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.
-
-/// Summary of error messages produced by a `SummaryReporter`.
-
-import 'dart:collection' show HashSet;
-
-import 'package:source_span/source_span.dart';
-
-/// Summary information computed by the DDC checker.
-abstract class Summary {
-  Map toJsonMap();
-
-  void accept(SummaryVisitor visitor);
-}
-
-/// Summary for the entire program.
-class GlobalSummary implements Summary {
-  /// Summary from the system libraries.
-  final Map<String, LibrarySummary> system = <String, LibrarySummary>{};
-
-  /// Summary for libraries in packages.
-  final Map<String, PackageSummary> packages = <String, PackageSummary>{};
-
-  /// Summary for loose files
-  // TODO(sigmund): consider inferring the package from the pubspec instead?
-  final Map<String, IndividualSummary> loose = <String, IndividualSummary>{};
-
-  GlobalSummary();
-
-  Map toJsonMap() => {
-        'system': system.values.map((l) => l.toJsonMap()).toList(),
-        'packages': packages.values.map((p) => p.toJsonMap()).toList(),
-        'loose': loose.values
-            .map((l) => ['${l.runtimeType}', l.toJsonMap()])
-            .toList(),
-      };
-
-  void accept(SummaryVisitor visitor) => visitor.visitGlobal(this);
-
-  static GlobalSummary parse(Map json) {
-    var res = new GlobalSummary();
-    json['system'].map(LibrarySummary.parse).forEach((l) {
-      res.system[l.name] = l;
-    });
-    json['packages'].map(PackageSummary.parse).forEach((p) {
-      res.packages[p.name] = p;
-    });
-    json['loose'].forEach((e) {
-      var summary = e[0] == 'LibrarySummary'
-          ? LibrarySummary.parse(e[1])
-          : HtmlSummary.parse(e[1]);
-      res.loose[summary.name] = summary;
-    });
-    return res;
-  }
-}
-
-/// A summary of a package.
-class PackageSummary implements Summary {
-  final String name;
-  final Map<String, LibrarySummary> libraries = <String, LibrarySummary>{};
-
-  PackageSummary(this.name);
-
-  Map toJsonMap() => {
-        'package_name': name,
-        'libraries': libraries.values.map((l) => l.toJsonMap()).toList(),
-      };
-
-  void accept(SummaryVisitor visitor) => visitor.visitPackage(this);
-
-  static PackageSummary parse(Map json) {
-    var res = new PackageSummary(json['package_name']);
-    json['libraries'].map(LibrarySummary.parse).forEach((l) {
-      res.libraries[l.name] = l;
-    });
-    return res;
-  }
-}
-
-/// A summary for a library or an html file.
-abstract class IndividualSummary extends Summary {
-  /// Unique name for this library.
-  String get name;
-
-  List<MessageSummary> get messages;
-}
-
-/// A summary at the level of a library.
-class LibrarySummary implements IndividualSummary {
-  /// Unique name for this library.
-  final String name;
-
-  /// All messages collected for the library.
-  final List<MessageSummary> messages;
-
-  /// All parts of this library. Only used for computing _lines.
-  final _uris = new HashSet<Uri>();
-
-  int _lines;
-
-  LibrarySummary(this.name, {List<MessageSummary> messages, lines})
-      : messages = messages == null ? <MessageSummary>[] : messages,
-        _lines = lines != null ? lines : 0;
-
-  void clear() {
-    _uris.clear();
-    _lines = 0;
-    messages.clear();
-  }
-
-  /// Total lines of code (including all parts of the library).
-  int get lines => _lines;
-
-  Map toJsonMap() => {
-        'library_name': name,
-        'messages': messages.map((m) => m.toJsonMap()).toList(),
-        'lines': lines,
-      };
-
-  void recordSourceLines(Uri uri, int computeLines()) {
-    if (_uris.add(uri)) {
-      _lines += computeLines();
-    }
-  }
-
-  void accept(SummaryVisitor visitor) => visitor.visitLibrary(this);
-
-  static LibrarySummary parse(Map json) =>
-      new LibrarySummary(json['library_name'],
-          messages: new List<MessageSummary>.from(
-              json['messages'].map(MessageSummary.parse)),
-          lines: json['lines']);
-}
-
-/// A summary at the level of an HTML file.
-class HtmlSummary implements IndividualSummary {
-  /// Unique name used to identify the HTML file.
-  final String name;
-
-  /// All messages collected on the file.
-  final List<MessageSummary> messages;
-
-  HtmlSummary(this.name, [List<MessageSummary> messages])
-      : messages = messages == null ? <MessageSummary>[] : messages;
-
-  Map toJsonMap() =>
-      {'name': name, 'messages': messages.map((m) => m.toJsonMap()).toList()};
-
-  void accept(SummaryVisitor visitor) => visitor.visitHtml(this);
-
-  static HtmlSummary parse(Map json) => new HtmlSummary(
-      json['name'],
-      new List<MessageSummary>.from(
-          json['messages'].map(MessageSummary.parse)));
-}
-
-/// A single message produced by the checker.
-class MessageSummary implements Summary {
-  /// The kind of message, currently the name of the StaticInfo type.
-  final String kind;
-
-  /// Level (error, warning, etc).
-  final String level;
-
-  /// Location where the error is reported.
-  final SourceSpan span;
-  final String message;
-
-  MessageSummary(this.kind, this.level, this.span, this.message);
-
-  Map toJsonMap() => {
-        'kind': kind,
-        'level': level,
-        'message': message,
-        'url': '${span.sourceUrl}',
-        'start': [span.start.offset, span.start.line, span.start.column],
-        'end': [span.end.offset, span.end.line, span.end.column],
-        'text': span.text,
-        'context': span is SourceSpanWithContext
-            ? (span as SourceSpanWithContext).context
-            : null,
-      };
-
-  void accept(SummaryVisitor visitor) => visitor.visitMessage(this);
-
-  static MessageSummary parse(Map json) {
-    var start = new SourceLocation(json['start'][0],
-        sourceUrl: json['url'],
-        line: json['start'][1],
-        column: json['start'][2]);
-    var end = new SourceLocation(json['end'][0],
-        sourceUrl: json['url'], line: json['end'][1], column: json['end'][2]);
-    var context = json['context'];
-    var span = context != null
-        ? new SourceSpanWithContext(start, end, json['text'], context)
-        : new SourceSpan(start, end, json['text']);
-    return new MessageSummary(
-        json['kind'], json['level'], span, json['message']);
-  }
-}
-
-/// A visitor of the [Summary] hierarchy.
-abstract class SummaryVisitor {
-  void visitGlobal(GlobalSummary global);
-  void visitPackage(PackageSummary package);
-  void visitLibrary(LibrarySummary lib);
-  void visitHtml(HtmlSummary html);
-  void visitMessage(MessageSummary message);
-}
-
-/// A recursive [SummaryVisitor] that visits summaries on a top-down fashion.
-class RecursiveSummaryVisitor implements SummaryVisitor {
-  void visitGlobal(GlobalSummary global) {
-    for (var lib in global.system.values) {
-      lib.accept(this);
-    }
-    for (var package in global.packages.values) {
-      package.accept(this);
-    }
-    for (var libOrHtml in global.loose.values) {
-      libOrHtml.accept(this);
-    }
-  }
-
-  void visitPackage(PackageSummary package) {
-    for (var lib in package.libraries.values) {
-      lib.accept(this);
-    }
-  }
-
-  void visitLibrary(LibrarySummary lib) {
-    for (var msg in lib.messages) {
-      msg.accept(this);
-    }
-  }
-
-  void visitHtml(HtmlSummary html) {
-    for (var msg in html.messages) {
-      msg.accept(this);
-    }
-  }
-
-  void visitMessage(MessageSummary message) {}
-}