Fresh drop of analyzer-experimental.

pkg/analyzer-experimental/lib/src/generated/source.dart

Index: pkg/analyzer-experimental/lib/src/generated/source.dart
===================================================================
--- pkg/analyzer-experimental/lib/src/generated/source.dart	(revision 18469)
+++ pkg/analyzer-experimental/lib/src/generated/source.dart	(working copy)
@@ -3,9 +3,405 @@
 
 library engine.source;
 
+import 'dart:io';
+import 'dart:uri';
 import 'java_core.dart';
+import 'package:analyzer-experimental/src/generated/sdk.dart' show DartSdk;
 
 /**
+ * Instances of the class {@code FileUriResolver} resolve {@code file} URI's.
+ */
+class FileUriResolver extends UriResolver {
+  /**
+   * The name of the {@code file} scheme.
+   */
+  static String _FILE_SCHEME = "file";
+  /**
+   * Return {@code true} if the given URI is a {@code file} URI.
+   * @param uri the URI being tested
+   * @return {@code true} if the given URI is a {@code file} URI
+   */
+  static bool isFileUri(Uri uri) => uri.scheme == _FILE_SCHEME;
+  /**
+   * Initialize a newly created resolver to resolve {@code file} URI's relative to the given root
+   * directory.
+   */
+  FileUriResolver() : super() {
+  }
+  Source resolveAbsolute(SourceFactory factory, Uri uri) {
+    if (!isFileUri(uri)) {
+      return null;
+    }
+    return new FileBasedSource.con1(factory, newFileFromUri(uri));
+  }
+}
+/**
+ * Instances of the class {@code DartUriResolver} resolve {@code dart} URI's.
+ */
+class DartUriResolver extends UriResolver {
+  /**
+   * The Dart SDK against which URI's are to be resolved.
+   */
+  DartSdk _sdk;
+  /**
+   * The name of the {@code dart} scheme.
+   */
+  static String _DART_SCHEME = "dart";
+  /**
+   * Return {@code true} if the given URI is a {@code dart:} URI.
+   * @param uri the URI being tested
+   * @return {@code true} if the given URI is a {@code dart:} URI
+   */
+  static bool isDartUri(Uri uri) => uri.scheme == _DART_SCHEME;
+  /**
+   * Initialize a newly created resolver to resolve Dart URI's against the given platform within the
+   * given Dart SDK.
+   * @param sdk the Dart SDK against which URI's are to be resolved
+   */
+  DartUriResolver(DartSdk sdk) {
+    this._sdk = sdk;
+  }
+  Source resolveAbsolute(SourceFactory factory, Uri uri) {
+    if (!isDartUri(uri)) {
+      return null;
+    }
+    File resolvedFile = _sdk.mapDartUri(uri.toString());
+    return new FileBasedSource.con2(factory, resolvedFile, true);
+  }
+}
+/**
+ * Instances of the class {@code FileBasedSource} implement a source that represents a file.
+ */
+class FileBasedSource implements Source {
+  /**
+   * The source factory that created this source and that should be used to resolve URI's against
+   * this source.
+   */
+  SourceFactory _factory;
+  /**
+   * The file represented by this source.
+   */
+  File _file;
+  /**
+   * A flag indicating whether this source is in one of the system libraries.
+   */
+  bool _inSystemLibrary = false;
+  /**
+   * Initialize a newly created source object. The source object is assumed to not be in a system
+   * library.
+   * @param factory the source factory that created this source
+   * @param file the file represented by this source
+   */
+  FileBasedSource.con1(SourceFactory factory, File file) {
+    _jtd_constructor_243_impl(factory, file);
+  }
+  _jtd_constructor_243_impl(SourceFactory factory, File file) {
+    _jtd_constructor_244_impl(factory, file, false);
+  }
+  /**
+   * Initialize a newly created source object.
+   * @param factory the source factory that created this source
+   * @param file the file represented by this source
+   * @param inSystemLibrary {@code true} if this source is in one of the system libraries
+   */
+  FileBasedSource.con2(SourceFactory factory2, File file3, bool inSystemLibrary2) {
+    _jtd_constructor_244_impl(factory2, file3, inSystemLibrary2);
+  }
+  _jtd_constructor_244_impl(SourceFactory factory2, File file3, bool inSystemLibrary2) {
+    this._factory = factory2;
+    this._file = file3;
+    this._inSystemLibrary = inSystemLibrary2;
+  }
+  bool operator ==(Object object) => object != null && identical(this.runtimeType, object.runtimeType) && _file == ((object as FileBasedSource))._file;
+  void getContents(Source_ContentReceiver receiver) {
+    receiver.accept2(_file.readAsStringSync());
+  }
+  String get fullName => _file.fullPathSync();
+  String get shortName => _file.name;
+  int get hashCode => _file.hashCode;
+  bool isInSystemLibrary() => _inSystemLibrary;
+  Source resolve(String uri) => _factory.resolveUri(this, uri);
+  String toString() {
+    if (_file == null) {
+      return "<unknown source>";
+    }
+    return _file.fullPathSync();
+  }
+  /**
+   * Return the file represented by this source. This is an internal method that is only intended to
+   * be used by {@link UriResolver}.
+   * @return the file represented by this source
+   */
+  File get file => _file;
+}
+/**
+ * Instances of the class {@link DirectoryBasedSourceContainer} represent a source container that
+ * contains all sources within a given directory.
+ */
+class DirectoryBasedSourceContainer implements SourceContainer {
+  /**
+   * Append the system file separator to the given path unless the path already ends with a
+   * separator.
+   * @param path the path to which the file separator is to be added
+   * @return a path that ends with the system file separator
+   */
+  static String appendFileSeparator(String path) {
+    if (path == null || path.length <= 0 || path.codeUnitAt(path.length - 1) == System.pathSeparatorChar) {
+      return path;
+    }
+    return "${path}${System.pathSeparator}";
+  }
+  /**
+   * The container's path (not {@code null}).
+   */
+  String _path;
+  /**
+   * Construct a container representing the specified directory and containing any sources whose{@link Source#getFullName()} starts with the directory's path. This is a convenience method,
+   * fully equivalent to {@link DirectoryBasedSourceContainer#DirectoryBasedSourceContainer(String)}.
+   * @param directory the directory (not {@code null})
+   */
+  DirectoryBasedSourceContainer.con1(File directory) {
+    _jtd_constructor_241_impl(directory);
+  }
+  _jtd_constructor_241_impl(File directory) {
+    _jtd_constructor_242_impl(directory.fullPathSync());
+  }
+  /**
+   * Construct a container representing the specified path and containing any sources whose{@link Source#getFullName()} starts with the specified path.
+   * @param path the path (not {@code null} and not empty)
+   */
+  DirectoryBasedSourceContainer.con2(String path3) {
+    _jtd_constructor_242_impl(path3);
+  }
+  _jtd_constructor_242_impl(String path3) {
+    this._path = appendFileSeparator(path3);
+  }
+  bool contains(Source source) => source.fullName.startsWith(_path);
+  bool operator ==(Object obj) => (obj is DirectoryBasedSourceContainer) && ((obj as DirectoryBasedSourceContainer)).path == path;
+  /**
+   * Answer the receiver's path, used to determine if a source is contained in the receiver.
+   * @return the path (not {@code null}, not empty)
+   */
+  String get path => _path;
+  int get hashCode => _path.hashCode;
+}
+/**
+ * Instances of the class {@code PackageUriResolver} resolve {@code package} URI's in the context of
+ * an application.
+ */
+class PackageUriResolver extends UriResolver {
+  /**
+   * The package directories that {@code package} URI's are assumed to be relative to.
+   */
+  List<File> _packagesDirectories;
+  /**
+   * The name of the {@code package} scheme.
+   */
+  static String _PACKAGE_SCHEME = "package";
+  /**
+   * Return {@code true} if the given URI is a {@code package} URI.
+   * @param uri the URI being tested
+   * @return {@code true} if the given URI is a {@code package} URI
+   */
+  static bool isPackageUri(Uri uri) => uri.scheme == _PACKAGE_SCHEME;
+  /**
+   * Initialize a newly created resolver to resolve {@code package} URI's relative to the given
+   * package directories.
+   * @param packagesDirectories the package directories that {@code package} URI's are assumed to be
+   * relative to
+   */
+  PackageUriResolver(List<File> packagesDirectories) {
+    if (packagesDirectories.length < 1) {
+      throw new IllegalArgumentException("At least one package directory must be provided");
+    }
+    this._packagesDirectories = packagesDirectories;
+  }
+  Source resolveAbsolute(SourceFactory factory, Uri uri) {
+    if (!isPackageUri(uri)) {
+      return null;
+    }
+    String path4 = uri.path;
+    if (path4 == null) {
+      path4 = uri.path;
+      if (path4 == null) {
+        return null;
+      }
+    }
+    for (File packagesDirectory in _packagesDirectories) {
+      File resolvedFile = newRelativeFile(packagesDirectory, path4);
+      if (resolvedFile.existsSync()) {
+        return new FileBasedSource.con1(factory, resolvedFile);
+      }
+    }
+    return new FileBasedSource.con1(factory, newRelativeFile(_packagesDirectories[0], path4));
+  }
+}
+/**
+ * The abstract class {@code UriResolver} defines the behavior of objects that are used to resolve
+ * URI's for a source factory. Subclasses of this class are expected to resolve a single scheme of
+ * absolute URI.
+ */
+abstract class UriResolver {
+  /**
+   * Initialize a newly created resolver.
+   */
+  UriResolver() : super() {
+  }
+  /**
+   * Working on behalf of the given source factory, resolve the (possibly relative) contained URI
+   * against the URI associated with the containing source object. Return a {@link Source source}representing the file to which it was resolved, or {@code null} if it could not be resolved.
+   * @param factory the source factory requesting the resolution of the URI
+   * @param containingSource the source containing the given URI
+   * @param containedUri the (possibly relative) URI to be resolved against the containing source
+   * @return a {@link Source source} representing the URI to which given URI was resolved
+   */
+  Source resolve(SourceFactory factory, Source containingSource, Uri containedUri) {
+    if (containedUri.isAbsolute()) {
+      return resolveAbsolute(factory, containedUri);
+    } else {
+      return resolveRelative(factory, containingSource, containedUri);
+    }
+  }
+  /**
+   * Resolve the given absolute URI. Return a {@link Source source} representing the file to which
+   * it was resolved, or {@code null} if it could not be resolved.
+   * @param uri the URI to be resolved
+   * @return a {@link Source source} representing the URI to which given URI was resolved
+   */
+  Source resolveAbsolute(SourceFactory factory, Uri uri);
+  /**
+   * Resolve the relative (contained) URI against the URI associated with the containing source
+   * object. Return a {@link Source source} representing the file to which it was resolved, or{@code null} if it could not be resolved.
+   * @param containingSource the source containing the given URI
+   * @param containedUri the (possibly relative) URI to be resolved against the containing source
+   * @return a {@link Source source} representing the URI to which given URI was resolved
+   */
+  Source resolveRelative(SourceFactory factory, Source containingSource, Uri containedUri) {
+    if (containingSource is FileBasedSource) {
+      try {
+        Uri resolvedUri = newUriFromFile(((containingSource as FileBasedSource)).file).resolveUri(containedUri);
+        return new FileBasedSource.con1(factory, newFileFromUri(resolvedUri));
+      } on JavaException catch (exception) {
+      }
+    }
+    return null;
+  }
+}
+/**
+ * Instances of the class {@code SourceFactory} resolve possibly relative URI's against an existing{@link Source source}.
+ */
+class SourceFactory {
+  /**
+   * The resolvers used to resolve absolute URI's.
+   */
+  List<UriResolver> _resolvers;
+  /**
+   * A cache of content used to override the default content of a source.
+   */
+  ContentCache _contentCache;
+  /**
+   * Initialize a newly created source factory.
+   * @param contentCache the cache holding content used to override the default content of a source.
+   * @param resolvers the resolvers used to resolve absolute URI's
+   */
+  SourceFactory.con1(ContentCache contentCache2, List<UriResolver> resolvers2) {
+    _jtd_constructor_247_impl(contentCache2, resolvers2);
+  }
+  _jtd_constructor_247_impl(ContentCache contentCache2, List<UriResolver> resolvers2) {
+    this._contentCache = contentCache2;
+    this._resolvers = resolvers2;
+  }
+  /**
+   * Initialize a newly created source factory.
+   * @param resolvers the resolvers used to resolve absolute URI's
+   */
+  SourceFactory.con2(List<UriResolver> resolvers) {
+    _jtd_constructor_248_impl(resolvers);
+  }
+  _jtd_constructor_248_impl(List<UriResolver> resolvers) {
+    _jtd_constructor_247_impl(new ContentCache(), [resolvers]);
+  }
+  /**
+   * Return a source container representing the given directory
+   * @param directory the directory (not {@code null})
+   * @return the source container representing the directory (not {@code null})
+   */
+  SourceContainer forDirectory(File directory) => new DirectoryBasedSourceContainer.con1(directory);
+  /**
+   * Return a source object representing the given file.
+   * @param file the file to be represented by the returned source object
+   * @return a source object representing the given file
+   */
+  Source forFile(File file) => new FileBasedSource.con1(this, file);
+  /**
+   * Return a source object representing the given absolute URI, or {@code null} if the URI is not a
+   * valid URI or if it is not an absolute URI.
+   * @param absoluteUri the absolute URI to be resolved
+   * @return a source object representing the absolute URI
+   */
+  Source forUri(String absoluteUri) {
+    try {
+      Uri uri = new Uri.fromComponents(path: absoluteUri);
+      if (uri.isAbsolute()) {
+        return resolveUri2(null, uri);
+      }
+    } on URISyntaxException catch (exception) {
+    }
+    return null;
+  }
+  /**
+   * Return a source object representing the URI that results from resolving the given (possibly
+   * relative) contained URI against the URI associated with an existing source object, or{@code null} if either the contained URI is invalid or if it cannot be resolved against the
+   * source object's URI.
+   * @param containingSource the source containing the given URI
+   * @param containedUri the (possibly relative) URI to be resolved against the containing source
+   * @return the source representing the contained URI
+   */
+  Source resolveUri(Source containingSource, String containedUri) {
+    try {
+      return resolveUri2(containingSource, new Uri.fromComponents(path: containedUri));
+    } on URISyntaxException catch (exception) {
+      return null;
+    }
+  }
+  /**
+   * Set the contents of the given source to the given contents. This has the effect of overriding
+   * the default contents of the source. If the contents are {@code null} the override is removed so
+   * that the default contents will be returned.
+   * @param source the source whose contents are being overridden
+   * @param contents the new contents of the source
+   */
+  void setContents(Source source, String contents) {
+    _contentCache.setContents(source, contents);
+  }
+  /**
+   * Return the contents of the given source, or {@code null} if this factory does not override the
+   * contents of the source.
+   * <p>
+   * <b>Note:</b> This method is not intended to be used except by{@link FileBasedSource#getContents(com.google.dart.engine.source.Source.ContentReceiver)}.
+   * @param source the source whose content is to be returned
+   * @return the contents of the given source
+   */
+  String getContents(Source source) => _contentCache.getContents(source);
+  /**
+   * Return a source object representing the URI that results from resolving the given (possibly
+   * relative) contained URI against the URI associated with an existing source object, or{@code null} if either the contained URI is invalid or if it cannot be resolved against the
+   * source object's URI.
+   * @param containingSource the source containing the given URI
+   * @param containedUri the (possibly relative) URI to be resolved against the containing source
+   * @return the source representing the contained URI
+   */
+  Source resolveUri2(Source containingSource, Uri containedUri) {
+    for (UriResolver resolver in _resolvers) {
+      Source result = resolver.resolve(this, containingSource, containedUri);
+      if (result != null) {
+        return result;
+      }
+    }
+    return null;
+  }
+}
+/**
  * The interface {@code Source} defines the behavior of objects representing source code that can be
  * compiled.
  */
@@ -76,6 +472,55 @@
   void accept2(String contents);
 }
 /**
+ * Instances of class {@code ContentCache} hold content used to override the default content of a{@link Source}.
+ */
+class ContentCache {
+  /**
+   * A table mapping sources to the contents of those sources. This is used to override the default
+   * contents of a source.
+   */
+  Map<Source, String> _contentMap = new Map<Source, String>();
+  /**
+   * Return the contents of the given source, or {@code null} if this cache does not override the
+   * contents of the source.
+   * <p>
+   * <b>Note:</b> This method is not intended to be used except by{@link SourceFactory#getContents(com.google.dart.engine.source.Source.ContentReceiver)}.
+   * @param source the source whose content is to be returned
+   * @return the contents of the given source
+   */
+  String getContents(Source source) => _contentMap[source];
+  /**
+   * Set the contents of the given source to the given contents. This has the effect of overriding
+   * the default contents of the source. If the contents are {@code null} the override is removed so
+   * that the default contents will be returned.
+   * @param source the source whose contents are being overridden
+   * @param contents the new contents of the source
+   */
+  void setContents(Source source, String contents) {
+    if (contents == null) {
+      _contentMap.remove(source);
+    } else {
+      _contentMap[source] = contents;
+    }
+  }
+}
+/**
+ * The interface {@code SourceContainer} is used by clients to define a collection of sources
+ * <p>
+ * Source containers are not used within analysis engine, but can be used by clients to group
+ * sources for the purposes of accessing composite dependency information. For example, the Eclipse
+ * client uses source containers to represent Eclipse projects, which allows it to easily compute
+ * project-level dependencies.
+ */
+abstract class SourceContainer {
+  /**
+   * Determine if the specified source is part of the receiver's collection of sources.
+   * @param source the source in question
+   * @return {@code true} if the receiver contains the source, else {@code false}
+   */
+  bool contains(Source source);
+}
+/**
  * Instances of the class {@code LineInfo} encapsulate information about line and column information
  * within a source file.
  */
@@ -145,4 +590,35 @@
    * @return the one-based index of the line containing the character
    */
   int get lineNumber => _lineNumber;
+}
+/**
+ * The enumeration {@code SourceKind} defines the different kinds of sources that are known to the
+ * analysis engine.
+ */
+class SourceKind {
+  /**
+   * A source containing HTML. The HTML might or might not contain Dart scripts.
+   */
+  static final SourceKind HTML = new SourceKind('HTML', 0);
+  /**
+   * A Dart compilation unit that is not a part of another library. Libraries might or might not
+   * contain any directives, including a library directive.
+   */
+  static final SourceKind LIBRARY = new SourceKind('LIBRARY', 1);
+  /**
+   * A Dart compilation unit that is part of another library. Parts contain a part-of directive.
+   */
+  static final SourceKind PART = new SourceKind('PART', 2);
+  /**
+   * An unknown kind of source. Used both when it is not possible to identify the kind of a source
+   * and also when the kind of a source is not known without performing a computation and the client
+   * does not want to spend the time to identify the kind.
+   */
+  static final SourceKind UNKNOWN = new SourceKind('UNKNOWN', 3);
+  static final List<SourceKind> values = [HTML, LIBRARY, PART, UNKNOWN];
+  final String __name;
+  final int __ordinal;
+  SourceKind(this.__name, this.__ordinal) {
+  }
+  String toString() => __name;
 }