Linter Demo

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Warnings: 3

File: /home/fstrocco/Dart/dart/benchmark/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<String> interceptorInvocationNames = new Set<String>(); void recordMangledNameOfMemberMethod(FunctionElement member, String name) { if (backend.isInterceptedMethod(member)) { interceptorInvocationNames.add(name); } } void emitGetInterceptorMethod(CodeOutput output, String key, Set<ClassElement> classes) { InterceptorStubGenerator stubGenerator = new InterceptorStubGenerator(compiler, namer, backend); jsAst.Expression function = stubGenerator.generateGetInterceptorMethod(classes); output.addBuffer(jsAst.prettyPrint( js('${namer.globalObjectFor(backend.interceptorsLibrary)}.# = #', [key, function]), compiler)); output.add(N); } /** * Emit all versions of the [:getInterceptor:] method. */ void emitGetInterceptorMethods(CodeOutput output) { emitter.addComment('getInterceptor methods', output); Map<String, Set<ClassElement>> specializedGetInterceptors = backend.specializedGetInterceptors; for (String name in specializedGetInterceptors.keys.toList()..sort()) { Set<ClassElement> classes = specializedGetInterceptors[name]; emitGetInterceptorMethod(output, name, classes); } } void emitOneShotInterceptors(CodeOutput output) { List<String> names = backend.oneShotInterceptors.keys.toList(); names.sort(); InterceptorStubGenerator stubGenerator = new InterceptorStubGenerator(compiler, namer, backend); String globalObject = namer.globalObjectFor(backend.interceptorsLibrary); for (String name in names) { jsAst.Expression function = stubGenerator.generateOneShotInterceptor(name); jsAst.Expression assignment = js('${globalObject}.# = #', [name, function]); output.addBuffer(jsAst.prettyPrint(assignment, compiler)); output.add(N); } } /** * 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; List<String> invocationNames = interceptorInvocationNames.toList()..sort(); List<jsAst.Property> properties = new List<jsAst.Property>(invocationNames.length); for (int i = 0; i < invocationNames.length; i++) { String name = invocationNames[i]; properties[i] = new jsAst.Property(js.string(name), js.number(1)); } return new jsAst.ObjectInitializer(properties, isOneLiner: true); } /** * Emit initializer for `typeToInterceptorMap` data structure used by * `findInterceptorForType`. See declaration of `typeToInterceptor` in * `interceptors.dart`. */ void emitTypeToInterceptorMap(Program program, CodeOutput output) { jsAst.Expression array = program.typeToInterceptorMap; if (array == null) return; jsAst.Expression typeToInterceptorMap = emitter .generateEmbeddedGlobalAccess(embeddedNames.TYPE_TO_INTERCEPTOR_MAP); jsAst.Expression assignment = js('# = #', [typeToInterceptorMap, array]); output.addBuffer(jsAst.prettyPrint(assignment, compiler)); output.add(N); } }