Linter Demo

Errors: 4

Warnings: 5

File: /home/fstrocco/Dart/dart/benchmark/compiler/lib/src/ssa/types.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. part of ssa; class TypeMaskFactory { static TypeMask fromInferredType(TypeMask mask, Compiler compiler) { JavaScriptBackend backend = compiler.backend; if (mask == null) return backend.dynamicType; return mask; } static TypeMask inferredReturnTypeForElement( Element element, Compiler compiler) { return fromInferredType( compiler.typesTask.getGuaranteedReturnTypeOfElement(element), compiler); } static TypeMask inferredTypeForElement(Element element, Compiler compiler) { return fromInferredType( compiler.typesTask.getGuaranteedTypeOfElement(element), compiler); } static TypeMask inferredTypeForSelector(Selector selector, Compiler compiler) { return fromInferredType( compiler.typesTask.getGuaranteedTypeOfSelector(selector), compiler); } static TypeMask inferredForNode(Element owner, ast.Node node, Compiler compiler) { return fromInferredType( compiler.typesTask.getGuaranteedTypeOfNode(owner, node), compiler); } static TypeMask fromNativeBehavior(native.NativeBehavior nativeBehavior, Compiler compiler) { ClassWorld classWorld = compiler.world; JavaScriptBackend backend = compiler.backend; if (nativeBehavior.typesReturned.isEmpty) return backend.dynamicType; TypeMask result = nativeBehavior.typesReturned .map((type) => fromNativeType(type, compiler)) .reduce((t1, t2) => t1.union(t2, classWorld)); assert(!(result.isEmpty && !result.isNullable)); return result; } // [type] is either an instance of [DartType] or special objects // like [native.SpecialType.JsObject]. static TypeMask fromNativeType(type, Compiler compiler) { ClassWorld classWorld = compiler.world; JavaScriptBackend backend = compiler.backend; if (type == native.SpecialType.JsObject) { return new TypeMask.nonNullExact(compiler.objectClass, classWorld); } else if (type.isVoid) { return backend.nullType; } else if (type.element == compiler.nullClass) { return backend.nullType; } else if (type.treatAsDynamic) { return backend.dynamicType; } else { return new TypeMask.nonNullSubtype(type.element, classWorld); } } }