Rename analyzer_experimental to analyzer.

pkg/analyzer_experimental/lib/src/services/runtime/coverage/coverage_impl.dart

Index: pkg/analyzer_experimental/lib/src/services/runtime/coverage/coverage_impl.dart
diff --git a/pkg/analyzer_experimental/lib/src/services/runtime/coverage/coverage_impl.dart b/pkg/analyzer_experimental/lib/src/services/runtime/coverage/coverage_impl.dart
deleted file mode 100644
index 445aa8317da1d29826b66f4567fa178867c0acc7..0000000000000000000000000000000000000000
--- a/pkg/analyzer_experimental/lib/src/services/runtime/coverage/coverage_impl.dart
+++ /dev/null
@@ -1,341 +0,0 @@
-// 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.
-
-/// A library for code coverage support for Dart.
-library runtime.coverage.impl;
-
-import 'dart:async';
-import 'dart:collection' show SplayTreeMap;
-import 'dart:io';
-
-import 'package:path/path.dart' as pathos;
-
-import 'package:analyzer_experimental/src/generated/java_core.dart' show CharSequence;
-import 'package:analyzer_experimental/src/generated/scanner.dart' show CharSequenceReader, Scanner;
-import 'package:analyzer_experimental/src/generated/parser.dart' show Parser;
-import 'package:analyzer_experimental/src/generated/ast.dart';
-import 'package:analyzer_experimental/src/generated/engine.dart' show RecordingErrorListener;
-
-import '../log.dart' as log;
-import 'models.dart';
-
-/// Run the [targetPath] with code coverage rewriting.
-/// Redirects stdandard process streams.
-/// On process exit dumps coverage statistics into the [outPath].
-void runServerApplication(String targetPath, String outPath) {
-  var targetFolder = pathos.dirname(targetPath);
-  var targetName = pathos.basename(targetPath);
-  var server = new CoverageServer(targetFolder, targetPath, outPath);
-  server.start().then((port) {
-    var options = new Options();
-    var targetArgs = ['http://127.0.0.1:$port/$targetName'];
-    var dartExecutable = options.executable;
-    return Process.start(dartExecutable, targetArgs);
-  }).then((process) {
-    stdin.pipe(process.stdin);
-    process.stdout.pipe(stdout);
-    process.stderr.pipe(stderr);
-    return process.exitCode;
-  }).then(exit).catchError((e) {
-    log.severe('Error starting $targetPath. $e');
-  });
-}
-
-
-/// Abstract server to listen requests and serve files, may be rewriting them.
-abstract class RewriteServer {
-  final String basePath;
-  int port;
-
-  RewriteServer(this.basePath);
-
-  /// Runs the HTTP server on the ephemeral port and returns [Future] with it.
-  Future<int> start() {
-    return HttpServer.bind('127.0.0.1', 0).then((server) {
-      port = server.port;
-      log.info('RewriteServer is listening at: $port.');
-      server.listen((request) {
-        if (request.method == 'GET') {
-          handleGetRequest(request);
-        }
-        if (request.method == 'POST') {
-          handlePostRequest(request);
-        }
-      });
-      return port;
-    });
-  }
-
-  void handlePostRequest(HttpRequest request);
-
-  void handleGetRequest(HttpRequest request) {
-    var response = request.response;
-    // Prepare path.
-    var path = getFilePath(request.uri);
-    log.info('[$path] Requested.');
-    // May be serve using just path.
-    {
-      var content = rewritePathContent(path);
-      if (content != null) {
-        log.info('[$path] Request served by path.');
-        response.write(content);
-        response.close();
-        return;
-      }
-    }
-    // Serve from file.
-    log.info('[$path] Serving file.');
-    var file = new File(path);
-    file.exists().then((found) {
-      if (found) {
-        // May be this files should be sent as is.
-        if (!shouldRewriteFile(path)) {
-          return sendFile(request, file);
-        }
-        // Rewrite content of the file.
-        return file.readAsString().then((content) {
-          log.finest('[$path] Done reading ${content.length} characters.');
-          content = rewriteFileContent(path, content);
-          log.fine('[$path] Rewritten.');
-          response.write(content);
-          return response.close();
-        });
-      } else {
-        log.severe('[$path] File not found.');
-        response.statusCode = HttpStatus.NOT_FOUND;
-        return response.close();
-      }
-    }).catchError((e) {
-      log.severe('[$path] $e.');
-      response.statusCode = HttpStatus.INTERNAL_SERVER_ERROR;
-      return response.close();
-    });
-  }
-
-  String getFilePath(Uri uri) {
-    var path = uri.path;
-    path = pathos.joinAll(uri.pathSegments);
-    path = pathos.join(basePath, path);
-    return pathos.normalize(path);
-  }
-
-  Future sendFile(HttpRequest request, File file) {
-    file.fullPath().then((fullPath) {
-      return file.openRead().pipe(request.response);
-    });
-  }
-
-  bool shouldRewriteFile(String path);
-
-  /// Subclasses implement this method to rewrite the provided [code] of the
-  /// file with [path]. Returns some content or `null` if file content
-  /// should be requested.
-  String rewritePathContent(String path);
-
-  /// Subclasses implement this method to rewrite the provided [code] of the
-  /// file with [path].
-  String rewriteFileContent(String path, String code);
-}
-
-
-/// Here `CCC` means 'code coverage configuration'.
-const TEST_UNIT_CCC = '''
-class __CCC extends __cc_ut.Configuration {
-  void onDone(bool success) {
-    __cc.postStatistics();
-    super.onDone(success);
-  }
-}''';
-
-const TEST_UNIT_CCC_SET = '__cc_ut.unittestConfiguration = new __CCC();';
-
-
-/// Server that rewrites Dart code so that it reports execution of statements
-/// and other nodes.
-class CoverageServer extends RewriteServer {
-  final appInfo = new AppInfo();
-  final String targetPath;
-  final String outPath;
-
-  CoverageServer(String basePath, this.targetPath, this.outPath)
-      : super(basePath);
-
-  void handlePostRequest(HttpRequest request) {
-    var id = 0;
-    var executedIds = new Set<int>();
-    request.listen((data) {
-      log.fine('Received statistics, ${data.length} bytes.');
-      while (true) {
-        var listIndex = id ~/ 8;
-        if (listIndex >= data.length) break;
-        var bitIndex = id % 8;
-        if ((data[listIndex] & (1 << bitIndex)) != 0) {
-          executedIds.add(id);
-        }
-        id++;
-      }
-    }).onDone(() {
-      log.fine('Received all statistics.');
-      var buffer = new StringBuffer();
-      appInfo.write(buffer, executedIds);
-      new File(outPath).writeAsString(buffer.toString()).then((_) {
-        return request.response.close();
-      }).catchError((e) {
-        log.severe('Error in receiving statistics $e.');
-        return request.response.close();
-      });
-    });
-  }
-
-  String rewritePathContent(String path) {
-    if (path.endsWith('__coverage_lib.dart')) {
-      String implPath = pathos.joinAll([
-          pathos.dirname(Platform.script),
-          '..', 'lib', 'src', 'services', 'runtime', 'coverage',
-          'coverage_lib.dart']);
-      var content = new File(implPath).readAsStringSync();
-      return content.replaceAll('0; // replaced during rewrite', '$port;');
-    }
-    return null;
-  }
-
-  bool shouldRewriteFile(String path) {
-    if (pathos.extension(path).toLowerCase() != '.dart') return false;
-    // Rewrite target itself, only to send statistics.
-    if (path == targetPath) {
-      return true;
-    }
-    // TODO(scheglov) use configuration
-    return path.contains('/packages/analyzer_experimental/');
-  }
-
-  String rewriteFileContent(String path, String code) {
-    var unit = _parseCode(code);
-    log.finest('[$path] Parsed.');
-    var injector = new CodeInjector(code);
-    // Inject imports.
-    var directives = unit.directives;
-    if (directives.isNotEmpty && directives[0] is LibraryDirective) {
-      injector.inject(directives[0].end,
-          'import "package:unittest/unittest.dart" as __cc_ut;'
-          'import "http://127.0.0.1:$port/__coverage_lib.dart" as __cc;');
-    }
-    // Inject statistics sender.
-    var isTargetScript = path == targetPath;
-    if (isTargetScript) {
-      for (var node in unit.declarations) {
-        if (node is FunctionDeclaration) {
-          var body = node.functionExpression.body;
-          if (node.name.name == 'main' && body is BlockFunctionBody) {
-            injector.inject(node.offset, TEST_UNIT_CCC);
-            injector.inject(body.offset + 1, TEST_UNIT_CCC_SET);
-          }
-        }
-      }
-    }
-    // Inject touch() invocations.
-    if (!isTargetScript) {
-      appInfo.enterUnit(path, code);
-      unit.accept(new InsertTouchInvocationsVisitor(appInfo, injector));
-    }
-    // Done.
-    return injector.getResult();
-  }
-
-  CompilationUnit _parseCode(String code) {
-    var source = null;
-    var errorListener = new RecordingErrorListener();
-    var parser = new Parser(source, errorListener);
-    var reader = new CharSequenceReader(new CharSequence(code));
-    var scanner = new Scanner(null, reader, errorListener);
-    var token = scanner.tokenize();
-    return parser.parseCompilationUnit(token);
-  }
-}
-
-
-/// The visitor that inserts `touch` method invocations.
-class InsertTouchInvocationsVisitor extends GeneralizingASTVisitor {
-  final AppInfo appInfo;
-  final CodeInjector injector;
-
-  InsertTouchInvocationsVisitor(this.appInfo, this.injector);
-
-  visitClassDeclaration(ClassDeclaration node) {
-    appInfo.enter('class', node.name.name);
-    super.visitClassDeclaration(node);
-    appInfo.leave();
-  }
-
-  visitConstructorDeclaration(ConstructorDeclaration node) {
-    var className = (node.parent as ClassDeclaration).name.name;
-    var constructorName;
-    if (node.name == null) {
-      constructorName = className;
-    } else {
-      constructorName = className + '.' + node.name.name;
-    }
-    appInfo.enter('constructor', constructorName);
-    super.visitConstructorDeclaration(node);
-    appInfo.leave();
-  }
-
-  visitMethodDeclaration(MethodDeclaration node) {
-    if (node.isAbstract) {
-      super.visitMethodDeclaration(node);
-    } else {
-      var kind;
-      if (node.isGetter) {
-        kind = 'getter';
-      } else if (node.isSetter) {
-        kind = 'setter';
-      } else {
-        kind = 'method';
-      }
-      appInfo.enter(kind, node.name.name);
-      super.visitMethodDeclaration(node);
-      appInfo.leave();
-    }
-  }
-
-  visitStatement(Statement node) {
-    insertTouch(node);
-    super.visitStatement(node);
-  }
-
-  void insertTouch(Statement node) {
-    if (node is Block) return;
-    if (node.parent is LabeledStatement) return;
-    if (node.parent is! Block) return;
-    // Inject 'touch' invocation.
-    var offset = node.offset;
-    var id = appInfo.addNode(node);
-    injector.inject(offset, '__cc.touch($id);');
-  }
-}
-
-
-/// Helper for injecting fragments into some existing code.
-class CodeInjector {
-  final String _code;
-  final offsetFragmentMap = new SplayTreeMap<int, String>();
-
-  CodeInjector(this._code);
-
-  void inject(int offset, String fragment) {
-    offsetFragmentMap[offset] = fragment;
-  }
-
-  String getResult() {
-    var sb = new StringBuffer();
-    var lastOffset = 0;
-    offsetFragmentMap.forEach((offset, fragment) {
-      sb.write(_code.substring(lastOffset, offset));
-      sb.write(fragment);
-      lastOffset = offset;
-    });
-    sb.write(_code.substring(lastOffset, _code.length));
-    return sb.toString();
-  }
-}