Revert "Delete support for source mirrors"

pkg/compiler/lib/src/mirrors/analyze.dart

+// Copyright (c) 2012, 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 dart2js.source_mirrors.analyze;
+
+import 'dart:async';
+
+import 'source_mirrors.dart';
+import 'dart2js_mirrors.dart' show Dart2JsMirrorSystem;
+import '../../compiler.dart' as api;
+import '../apiimpl.dart' as apiimpl;
+import '../compiler.dart' show Compiler;
+import '../old_to_new_api.dart';
+
+//------------------------------------------------------------------------------
+// Analysis entry point.
+//------------------------------------------------------------------------------
+
+/**
+ * Analyzes set of libraries and provides a mirror system which can be used for
+ * static inspection of the source code.
+ */
+// TODO(johnniwinther): Move this to [compiler/compiler.dart].
+Future<MirrorSystem> analyze(List<Uri> libraries,
+                             Uri libraryRoot,
+                             Uri packageRoot,
+                             api.CompilerInputProvider inputProvider,
+                             api.DiagnosticHandler diagnosticHandler,
+                             [List<String> options = const <String>[],
+                              Uri packageConfig,
+                              api.PackagesDiscoveryProvider findPackages]) {
+  if (!libraryRoot.path.endsWith("/")) {
+    throw new ArgumentError("libraryRoot must end with a /");
+  }
+  if (packageRoot != null && !packageRoot.path.endsWith("/")) {
+    throw new ArgumentError("packageRoot must end with a /");
+  }
+  options = new List<String>.from(options);
+  options.add('--analyze-only');
+  options.add('--analyze-signatures-only');
+  options.add('--analyze-all');
+  options.add('--categories=Client,Server');
+  options.add('--enable-async');
+  options.add('--allow-native-extensions');
+
+  bool compilationFailed = false;
+  void internalDiagnosticHandler(Uri uri, int begin, int end,
+                                 String message, api.Diagnostic kind) {
+    if (kind == api.Diagnostic.ERROR ||
+        kind == api.Diagnostic.CRASH) {
+      compilationFailed = true;
+    }
+    diagnosticHandler(uri, begin, end, message, kind);
+  }
+
+  Compiler compiler = new apiimpl.CompilerImpl(
+      new LegacyCompilerInput(inputProvider),
+      new LegacyCompilerOutput(),
+      new LegacyCompilerDiagnostics(internalDiagnosticHandler),
+      libraryRoot,
+      packageRoot,
+      options,
+      const {},
+      packageConfig,
+      findPackages);
+  compiler.librariesToAnalyzeWhenRun = libraries;
+  return compiler.run(null).then((bool success) {
+    if (success && !compilationFailed) {
+      return new Dart2JsMirrorSystem(compiler);
+    } else {
+      throw new StateError('Failed to create mirror system.');
+    }
+  });
+}