New analyzer_experimental snapshot.

pkg/analyzer_experimental/lib/src/analyzer_impl.dart

 // 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 analyzer_impl;
 
 import 'dart:io';
 
 import 'generated/java_io.dart';
 import 'generated/engine.dart';
@@ skipping 30 matching lines @@
   /**
    * Treats the [sourcePath] as the top level library and analyzes it.
    */
   void analyze(String sourcePath) {
     sources.clear();
     errorInfos.clear();
     if (sourcePath == null) {
       throw new ArgumentError("sourcePath cannot be null");
     }
     var sourceFile = new JavaFile(sourcePath);
-    var librarySource = new FileBasedSource.con1(contentCache, sourceFile);
+    var uriKind = getUriKind(sourceFile);
+    var librarySource = new FileBasedSource.con2(contentCache, sourceFile, uriKind);
     // resolve library
     prepareAnalysisContext(sourceFile);
     var libraryElement = context.computeLibraryElement(librarySource);
     // prepare source and errors
     prepareSources(libraryElement);
     prepareErrors();
   }
 
   /// Returns the maximal [ErrorSeverity] of the recorded errors.
   ErrorSeverity get maxErrorSeverity {
@@ skipping 20 matching lines @@
       if (packageDirectory != null) {
         resolvers.add(new PackageUriResolver([packageDirectory]));
       }
     }
     sourceFactory = new SourceFactory.con1(contentCache, resolvers);
     context = AnalysisEngine.instance.createAnalysisContext();
     context.sourceFactory = sourceFactory;
 
     // set options for context
     AnalysisOptionsImpl contextOptions = new AnalysisOptionsImpl();
+    contextOptions.cacheSize = 256;
     contextOptions.hint = !options.disableHints;
     context.analysisOptions = contextOptions;
   }
 
   /// Fills [sources].
   void prepareSources(LibraryElement library) {
     var units = new Set<CompilationUnitElement>();
     var libraries = new Set<LibraryElement>();
     addLibrarySources(library, libraries, units);
   }
@@ skipping 56 matching lines @@
     while (dir != null) {
       JavaFile packagesDir = new JavaFile.relative(dir, "packages");
       if (packagesDir.exists()) {
         return packagesDir;
       }
       dir = dir.getParentFile();
     }
     // not found
     return null;
   }
+
+  /**
+   * Returns the [UriKind] for the given input file. Usually {@link UriKind#FILE_URI}, but if
+   * the given file is located in the "lib" directory of the [sdk], then returns
+   * {@link UriKind#DART_URI}.
+   */
+  static UriKind getUriKind(JavaFile file) {
+    // may be file in SDK
+    if (sdk is DirectoryBasedDartSdk) {
+      DirectoryBasedDartSdk directoryBasedSdk = sdk;
+      String sdkLibPath = directoryBasedSdk.libraryDirectory.getPath() + JavaFile.separator;
+      if (file.getPath().startsWith(sdkLibPath)) {
+        return UriKind.DART_URI;
+      }
+    }
+    // some generic file
+    return UriKind.FILE_URI;
+  }
 }