dart2js: Rename emitters.

pkg/compiler/lib/src/js_emitter/old_emitter/interceptor_emitter.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.
-
-part of dart2js.js_emitter;
-
-class InterceptorEmitter extends CodeEmitterHelper {
-  final Set<jsAst.Name> interceptorInvocationNames =
-      new Set<jsAst.Name>();
-
-  void recordMangledNameOfMemberMethod(FunctionElement member,
-                                       jsAst.Name name) {
-    if (backend.isInterceptedMethod(member)) {
-      interceptorInvocationNames.add(name);
-    }
-  }
-
-  jsAst.Expression buildGetInterceptorMethod(jsAst.Name key,
-                                             Set<ClassElement> classes) {
-    InterceptorStubGenerator stubGenerator =
-        new InterceptorStubGenerator(compiler, namer, backend);
-    jsAst.Expression function =
-        stubGenerator.generateGetInterceptorMethod(classes);
-
-    return function;
-  }
-
-  /**
-   * Emit all versions of the [:getInterceptor:] method.
-   */
-  jsAst.Statement buildGetInterceptorMethods() {
-    List<jsAst.Statement> parts = <jsAst.Statement>[];
-
-    parts.add(js.comment('getInterceptor methods'));
-
-    Map<jsAst.Name, Set<ClassElement>> specializedGetInterceptors =
-        backend.specializedGetInterceptors;
-    List<jsAst.Name> names = specializedGetInterceptors.keys.toList()
-        ..sort();
-    for (jsAst.Name name in names) {
-      Set<ClassElement> classes = specializedGetInterceptors[name];
-      parts.add(
-          js.statement('#.# = #',
-                       [namer.globalObjectFor(backend.interceptorsLibrary),
-                        name,
-                        buildGetInterceptorMethod(name, classes)]));
-    }
-
-    return new jsAst.Block(parts);
-  }
-
-  jsAst.Statement buildOneShotInterceptors() {
-    List<jsAst.Statement> parts = <jsAst.Statement>[];
-    Iterable<jsAst.Name> names = backend.oneShotInterceptors.keys.toList()
-        ..sort();
-
-    InterceptorStubGenerator stubGenerator =
-        new InterceptorStubGenerator(compiler, namer, backend);
-    String globalObject = namer.globalObjectFor(backend.interceptorsLibrary);
-    for (jsAst.Name name in names) {
-      jsAst.Expression function =
-          stubGenerator.generateOneShotInterceptor(name);
-      parts.add(js.statement('${globalObject}.# = #', [name, function]));
-    }
-
-    return new jsAst.Block(parts);
-  }
-
-  /**
-   * If [JSInvocationMirror._invokeOn] has been compiled, emit all the
-   * possible selector names that are intercepted into the
-   * [interceptedNames] embedded global. The implementation of
-   * [_invokeOn] will use it to determine whether it should call the
-   * method with an extra parameter.
-   */
-  jsAst.ObjectInitializer generateInterceptedNamesSet() {
-    // We could also generate the list of intercepted names at
-    // runtime, by running through the subclasses of Interceptor
-    // (which can easily be identified).
-    if (!compiler.enabledInvokeOn) return null;
-
-    Iterable<jsAst.Name> invocationNames = interceptorInvocationNames.toList()
-        ..sort();;
-    List<jsAst.Property> properties = invocationNames.map((jsAst.Name name) {
-      return new jsAst.Property(js.quoteName(name), js.number(1));
-    }).toList();
-    return new jsAst.ObjectInitializer(properties, isOneLiner: true);
-  }
-
-  /**
-   * Emit initializer for `typeToInterceptorMap` data structure used by
-   * `findInterceptorForType`.  See declaration of `typeToInterceptor` in
-   * `interceptors.dart`.
-   */
-  jsAst.Statement buildTypeToInterceptorMap(Program program) {
-    jsAst.Expression array = program.typeToInterceptorMap;
-    if (array == null) return js.comment("Empty type-to-interceptor map.");
-
-    jsAst.Expression typeToInterceptorMap = emitter
-        .generateEmbeddedGlobalAccess(embeddedNames.TYPE_TO_INTERCEPTOR_MAP);
-    return js.statement('# = #', [typeToInterceptorMap, array]);
-  }
-}