| // Copyright (c) 2015, 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. |
| |
| #ifndef RUNTIME_VM_PROGRAM_VISITOR_H_ |
| #define RUNTIME_VM_PROGRAM_VISITOR_H_ |
| |
| #include "vm/allocation.h" |
| |
| namespace dart { |
| |
| class Class; |
| class Code; |
| class Function; |
| |
| template <typename T> |
| class Visitor : public ValueObject { |
| public: |
| virtual ~Visitor() {} |
| virtual void Visit(const T& obj) = 0; |
| }; |
| |
| using ClassVisitor = Visitor<Class>; |
| using CodeVisitor = Visitor<Code>; |
| using FunctionVisitor = Visitor<Function>; |
| |
| class ProgramVisitor : public AllStatic { |
| public: |
| // Currently visits the following code objects: |
| // * Code objects for functions (visited via VisitFunctions) where HasCode() |
| // is true. |
| // * Code objects for entries in the dispatch table (if applicable). |
| // |
| // Notably, it does not visit any stubs not reachable via these routes. |
| static void VisitCode(CodeVisitor* visitor); |
| static void VisitFunctions(FunctionVisitor* visitor); |
| static void VisitClasses(ClassVisitor* visitor); |
| |
| static void Dedup(); |
| |
| private: |
| #if !defined(DART_PRECOMPILED_RUNTIME) |
| static void BindStaticCalls(); |
| static void ShareMegamorphicBuckets(); |
| static void NormalizeAndDedupCompressedStackMaps(); |
| static void DedupPcDescriptors(); |
| static void DedupDeoptEntries(); |
| #if defined(DART_PRECOMPILER) |
| static void DedupCatchEntryMovesMaps(); |
| static void DedupUnlinkedCalls(); |
| #endif |
| static void DedupCodeSourceMaps(); |
| static void DedupLists(); |
| static void DedupInstructions(); |
| static void DedupInstructionsWithSameMetadata(); |
| #endif // !defined(DART_PRECOMPILED_RUNTIME) |
| }; |
| |
| } // namespace dart |
| |
| #endif // RUNTIME_VM_PROGRAM_VISITOR_H_ |