Fresh drop of analyzer-experimental.

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

 library java.engine;
 
+import "dart:io";
 import "java_core.dart";
 import "source.dart";
 import "error.dart";
 import "ast.dart";
 import "element.dart";
 
-class AnalysisException implements Exception {
-  String toString() => "AnalysisException";
-}
+//class AnalysisException implements Exception {
+//  String toString() => "AnalysisException";
+//}
 
-class AnalysisEngine {
-  static getInstance() {
-    throw new UnsupportedOperationException();
-  }
-}
+//class AnalysisEngine {
+//  static getInstance() {
+//    throw new UnsupportedOperationException();
+//  }
+//}
 
-class AnalysisContext {
-  Element getElement(ElementLocation location) {
-    throw new UnsupportedOperationException();
-  }
-}
+//class AnalysisContext {
+//  Element getElement(ElementLocation location) {
+//    throw new UnsupportedOperationException();
+//  }
+//}
 
-class AnalysisContextImpl extends AnalysisContext {
-  getSourceFactory() {
-    throw new UnsupportedOperationException();
-  }
-  LibraryElement getLibraryElementOrNull(Source source) {
-    return null;
-  }
-  LibraryElement getLibraryElement(Source source) {
-    throw new UnsupportedOperationException();
-  }
-  void recordLibraryElements(Map<Source, LibraryElement> elementMap) {
-    throw new UnsupportedOperationException();
-  }
-  getPublicNamespace(LibraryElement library) {
-    throw new UnsupportedOperationException();
-  }
-  CompilationUnit parse(Source source, AnalysisErrorListener errorListener) {
-    throw new UnsupportedOperationException();
-  }
-}
+//class AnalysisContextImpl extends AnalysisContext {
+//  getSourceFactory() {
+//    throw new UnsupportedOperationException();
+//  }
+//  LibraryElement getLibraryElementOrNull(Source source) {
+//    return null;
+//  }
+//  LibraryElement getLibraryElement(Source source) {
+//    throw new UnsupportedOperationException();
+//  }
+//  void recordLibraryElements(Map<Source, LibraryElement> elementMap) {
+//    throw new UnsupportedOperationException();
+//  }
+//  getPublicNamespace(LibraryElement library) {
+//    throw new UnsupportedOperationException();
+//  }
+//  CompilationUnit parse(Source source, AnalysisErrorListener errorListener) {
+//    throw new UnsupportedOperationException();
+//  }
+//}
 
 class StringUtilities {
   static List<String> EMPTY_ARRAY = new List.fixedLength(0);
 }
+
+File createFile(String path) => new File(path);
+
+class OSUtilities {
+  static bool isWindows() => Platform.operatingSystem == 'windows';
+  static bool isMac() => Platform.operatingSystem == 'macos';
+}