Vyacheslav Egorov
20ca5bbb05
This forwarders are used at dynamic call-sites and perform type checking for all non-generic-covariant arguments. This allows to skip the same type checks in the actual method body. This yield on average 10% improvement in performance across the body of benchmarks including dart2js compilation times. Bug: https://github.com/dart-lang/sdk/issues/33257 Change-Id: If3fc94a2e0a6f496ec0633f0b379d053a54a40ca Reviewed-on: https://dart-review.googlesource.com/61244 Commit-Queue: Vyacheslav Egorov <vegorov@google.com> Reviewed-by: Alexander Markov <alexmarkov@google.com> Reviewed-by: Martin Kustermann <kustermann@google.com>
100 lines
2.3 KiB
Dart
100 lines
2.3 KiB
Dart
// Copyright (c) 2016, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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part of models;
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enum FunctionKind {
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regular,
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closure,
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implicitClosure,
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getter,
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setter,
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constructor,
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implicitGetter,
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implicitSetter,
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implicitStaticFinalGetter,
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irregexpFunction,
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staticInitializer,
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methodExtractor,
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noSuchMethodDispatcher,
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invokeFieldDispatcher,
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collected,
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native,
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stub,
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tag,
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signatureFunction,
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dynamicInvocationForwarder
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}
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bool isSyntheticFunction(FunctionKind kind) {
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switch (kind) {
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case FunctionKind.collected:
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case FunctionKind.native:
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case FunctionKind.stub:
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case FunctionKind.tag:
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return true;
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default:
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return false;
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}
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}
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bool isDartFunction(FunctionKind kind) => !isSyntheticFunction(kind);
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bool isStubFunction(FunctionKind kind) => kind == FunctionKind.stub;
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bool hasDartCode(FunctionKind kind) =>
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isDartFunction(kind) || isStubFunction(kind);
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String getFunctionFullName(FunctionRef function) {
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var content = <String>[function.name];
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ObjectRef owner = function.dartOwner;
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while (owner is FunctionRef) {
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FunctionRef function = (owner as FunctionRef);
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content.add(function.name);
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owner = function.dartOwner;
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}
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if (owner is ClassRef) {
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content.add(owner.name);
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}
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return content.reversed.join('.');
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}
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abstract class FunctionRef extends ObjectRef {
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/// The name of this class.
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String get name;
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/// The owner of this function, which can be a LibraryRef, ClassRef,
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/// or a FunctionRef.
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ObjectRef get dartOwner; // owner
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/// Is this function static?
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bool get isStatic;
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/// Is this function const?
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bool get isConst;
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/// The kind of the function.
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FunctionKind get kind;
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}
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abstract class ServiceFunction extends Object implements FunctionRef {
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/// The location of this function in the source code. [optional]
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SourceLocation get location;
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/// The compiled code associated with this function. [optional]
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CodeRef get code;
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/// [optional]
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CodeRef get unoptimizedCode;
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/// [optional]
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FieldRef get field;
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int get usageCounter;
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InstanceRef get icDataArray;
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int get deoptimizations;
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bool get isOptimizable;
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bool get isInlinable;
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bool get hasIntrinsic;
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bool get isRecognized;
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bool get isNative;
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}
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