remove docgen source and targets from build

pkg/docgen/lib/src/library_helpers.dart

Index: pkg/docgen/lib/src/library_helpers.dart
diff --git a/pkg/docgen/lib/src/library_helpers.dart b/pkg/docgen/lib/src/library_helpers.dart
deleted file mode 100644
index 24e89d3f15cd22107ef8af1f821c0629dbc276b8..0000000000000000000000000000000000000000
--- a/pkg/docgen/lib/src/library_helpers.dart
+++ /dev/null
@@ -1,220 +0,0 @@
-// Copyright (c) 2014, 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 docgen.library_helpers;
-
-import 'package:logging/logging.dart';
-import 'package:markdown/markdown.dart' as markdown;
-
-import 'exports/source_mirrors.dart';
-import 'exports/mirrors_util.dart' as dart2js_util;
-
-import 'models/indexable.dart';
-import 'models/library.dart';
-import 'models/dummy_mirror.dart';
-
-typedef DeclarationMirror LookupFunction(DeclarationSourceMirror declaration,
-    String name);
-
-/// Support for [:foo:]-style code comments to the markdown parser.
-final List<markdown.InlineSyntax> MARKDOWN_SYNTAXES =
-  [new markdown.CodeSyntax(r'\[:\s?((?:.|\n)*?)\s?:\]')];
-
-bool get includePrivateMembers {
-  if (_includePrivate == null) {
-    throw new StateError('includePrivate has not been set');
-  }
-  return _includePrivate;
-}
-
-void set includePrivateMembers(bool value) {
-  if (value == null) throw new ArgumentError('includePrivate cannot be null');
-  _includePrivate = value;
-}
-
-bool _includePrivate;
-
-/// Return true if this item and all of its owners are all visible.
-bool isFullChainVisible(Indexable item) {
-  return includePrivateMembers || (!item.isPrivate && (item.owner != null ?
-      isFullChainVisible(item.owner) : true));
-}
-
-/// Logger for printing out progress of documentation generation.
-final Logger logger = new Logger('Docgen');
-
-/// The dart:core library, which contains all types that are always available
-/// without import.
-Library coreLibrary;
-
-/// Set of libraries declared in the SDK, so libraries that can be accessed
-/// when running dart by default.
-Iterable<LibraryMirror> get sdkLibraries => _sdkLibraries;
-Iterable<LibraryMirror> _sdkLibraries;
-
-////// Top level resolution functions
-/// Converts all [foo] references in comments to <a>libraryName.foo</a>.
-markdown.Node globalFixReference(String name) {
-  // Attempt the look up the whole name up in the scope.
-  String elementName = findElementInScopeWithPrefix(name, '');
-  if (elementName != null) {
-    return new markdown.Element.text('a', elementName);
-  }
-  return fixComplexReference(name);
-}
-
-/// This is a more complex reference. Try to break up if its of the form A<B>
-/// where A is an alphanumeric string and B is an A, a list of B ("B, B, B"),
-/// or of the form A<B>. Note: unlike other the other markdown-style links,
-/// all text inside the square brackets is treated as part of the link (aka
-/// the * is interpreted literally as a *, not as a indicator for bold <em>.
-///
-/// Example: [foo&lt;_bar_>] will produce
-/// <a>resolvedFoo</a>&lt;<a>resolved_bar_</a>> rather than an italicized
-/// version of resolvedBar.
-markdown.Node fixComplexReference(String name) {
-  // Parse into multiple elements we can try to resolve.
-  var tokens = _tokenizeComplexReference(name);
-
-  // Produce an html representation of our elements. Group unresolved and
-  // plain text are grouped into "link" elements so they display as code.
-  final textElements = [' ', ',', '>', _LESS_THAN];
-  var accumulatedHtml = '';
-
-  for (var token in tokens) {
-    bool added = false;
-    if (!textElements.contains(token)) {
-      String elementName = findElementInScopeWithPrefix(token, '');
-      if (elementName != null) {
-        accumulatedHtml += markdown.renderToHtml([new markdown.Element.text('a',
-            elementName)]);
-        added = true;
-      }
-    }
-    if (!added) {
-      accumulatedHtml += token;
-    }
-  }
-  return new markdown.Text(accumulatedHtml);
-}
-
-String findElementInScopeWithPrefix(String name, String packagePrefix) {
-  var lookupFunc = determineLookupFunc(name);
-  // Look in the dart core library scope.
-  var coreScope = coreLibrary == null ? null : lookupFunc(coreLibrary.mirror,
-      name);
-  if (coreScope != null) return packagePrefix + coreLibrary.docName;
-
-  // If it's a reference that starts with a another library name, then it
-  // looks for a match of that library name in the other sdk libraries.
-  if (name.contains('.')) {
-    var index = name.indexOf('.');
-    var libraryName = name.substring(0, index);
-    var remainingName = name.substring(index + 1);
-    foundLibraryName(library) => library.uri.pathSegments[0] == libraryName;
-
-    if (_sdkLibraries.any(foundLibraryName)) {
-      var library = _sdkLibraries.singleWhere(foundLibraryName);
-      // Look to see if it's a fully qualified library name.
-      var scope = determineLookupFunc(remainingName)(library, remainingName);
-      if (scope != null) {
-        var result = getDocgenObject(scope);
-        if (result is DummyMirror) {
-          return packagePrefix + result.docName;
-        } else {
-          return result.packagePrefix + result.docName;
-        }
-      }
-    }
-  }
-  return null;
-}
-
-/// Given a Dart2jsMirror, find the corresponding Docgen [MirrorBased] object.
-///
-/// We have this global lookup function to avoid re-implementing looking up
-/// the scoping rules for comment resolution here (it is currently done in
-/// mirrors). If no corresponding MirrorBased object is found, we return a
-/// [DummyMirror] that simply returns the original mirror's qualifiedName
-/// while behaving like a MirrorBased object.
-Indexable getDocgenObject(DeclarationMirror mirror, [Indexable owner]) {
-  Map<String, Indexable> docgenObj = lookupIndexableMap(mirror);
-
-  if (docgenObj == null) {
-    return new DummyMirror(mirror, owner);
-  }
-
-  var setToExamine = new Set();
-  if (owner != null) {
-    var firstSet = docgenObj[owner.docName];
-    if (firstSet != null) setToExamine.add(firstSet);
-    if (coreLibrary != null && docgenObj[coreLibrary.docName] != null) {
-      setToExamine.add(docgenObj[coreLibrary.docName]);
-    }
-  } else {
-    setToExamine.addAll(docgenObj.values);
-  }
-
-  Set<Indexable> results = new Set<Indexable>();
-  for (Indexable indexable in setToExamine) {
-    if (indexable.mirror.qualifiedName == mirror.qualifiedName &&
-        indexable.isValidMirror(mirror)) {
-      results.add(indexable);
-    }
-  }
-
-  if (results.length > 0) {
-    // This might occur if we didn't specify an "owner."
-    return results.first;
-  }
-  return new DummyMirror(mirror, owner);
-}
-
-void initializeTopLevelLibraries(MirrorSystem mirrorSystem) {
-  _sdkLibraries = mirrorSystem.libraries.values.where(
-      (each) => each.uri.scheme == 'dart');
-  coreLibrary = new Library(_sdkLibraries.singleWhere((lib) =>
-      lib.uri.toString().startsWith('dart:core')));
-}
-
-/// For a given name, determine if we need to resolve it as a qualified name
-/// or a simple name in the source mirors.
-LookupFunction determineLookupFunc(String name) => name.contains('.') ?
-  dart2js_util.lookupQualifiedInScope :
-    (mirror, name) => mirror.lookupInScope(name);
-
-/// Chunk the provided name into individual parts to be resolved. We take a
-/// simplistic approach to chunking, though, we break at " ", ",", "&lt;"
-/// and ">". All other characters are grouped into the name to be resolved.
-/// As a result, these characters will all be treated as part of the item to
-/// be resolved (aka the * is interpreted literally as a *, not as an
-/// indicator for bold <em>.
-List<String> _tokenizeComplexReference(String name) {
-  var tokens = [];
-  var append = false;
-  var index = 0;
-  while (index < name.length) {
-    if (name.indexOf(_LESS_THAN, index) == index) {
-      tokens.add(_LESS_THAN);
-      append = false;
-      index += _LESS_THAN.length;
-    } else if (name[index] == ' ' || name[index] == ',' || name[index] == '>') {
-      tokens.add(name[index]);
-      append = false;
-      index++;
-    } else {
-      if (append) {
-        tokens[tokens.length - 1] = tokens.last + name[index];
-      } else {
-        tokens.add(name[index]);
-        append = true;
-      }
-      index++;
-    }
-  }
-  return tokens;
-}
-
-// HTML escaped version of '<' character.
-const _LESS_THAN = '&lt;';