[ic] Clean up handler boilerplate

src/ic/accessor-assembler-impl.h

-// Copyright 2016 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef V8_SRC_IC_ACCESSOR_ASSEMBLER_IMPL_H_
-#define V8_SRC_IC_ACCESSOR_ASSEMBLER_IMPL_H_
-
-#include "src/code-stub-assembler.h"
-
-namespace v8 {
-namespace internal {
-
-namespace compiler {
-class CodeAssemblerState;
-}
-
-using compiler::Node;
-
-#define ACCESSOR_ASSEMBLER_PUBLIC_INTERFACE(V) \
-  V(LoadIC)                                    \
-  V(LoadField)                                 \
-  V(LoadICTrampoline)                          \
-  V(KeyedLoadICTF)                             \
-  V(KeyedLoadICTrampolineTF)                   \
-  V(KeyedLoadICMegamorphic)                    \
-  V(StoreIC)                                   \
-  V(StoreICTrampoline)
-// The other IC entry points need custom handling because of additional
-// parameters like "typeof_mode" or "language_mode".
-
-class AccessorAssemblerImpl : public CodeStubAssembler {
- public:
-  explicit AccessorAssemblerImpl(compiler::CodeAssemblerState* state)
-      : CodeStubAssembler(state) {}
-
-#define DECLARE_PUBLIC_METHOD(Name) void Generate##Name();
-
-  ACCESSOR_ASSEMBLER_PUBLIC_INTERFACE(DECLARE_PUBLIC_METHOD)
-#undef DECLARE_PUBLIC_METHOD
-
-  void GenerateLoadICProtoArray(bool throw_reference_error_if_nonexistent);
-
-  void GenerateLoadGlobalIC(TypeofMode typeof_mode);
-  void GenerateLoadGlobalICTrampoline(TypeofMode typeof_mode);
-
-  void GenerateKeyedStoreICTF(LanguageMode language_mode);
-  void GenerateKeyedStoreICTrampolineTF(LanguageMode language_mode);
-
-  void TryProbeStubCache(StubCache* stub_cache, Node* receiver, Node* name,
-                         Label* if_handler, Variable* var_handler,
-                         Label* if_miss);
-
-  Node* StubCachePrimaryOffsetForTesting(Node* name, Node* map) {
-    return StubCachePrimaryOffset(name, map);
-  }
-  Node* StubCacheSecondaryOffsetForTesting(Node* name, Node* map) {
-    return StubCacheSecondaryOffset(name, map);
-  }
-
- protected:
-  struct LoadICParameters {
-    LoadICParameters(Node* context, Node* receiver, Node* name, Node* slot,
-                     Node* vector)
-        : context(context),
-          receiver(receiver),
-          name(name),
-          slot(slot),
-          vector(vector) {}
-
-    Node* context;
-    Node* receiver;
-    Node* name;
-    Node* slot;
-    Node* vector;
-  };
-
-  struct StoreICParameters : public LoadICParameters {
-    StoreICParameters(Node* context, Node* receiver, Node* name, Node* value,
-                      Node* slot, Node* vector)
-        : LoadICParameters(context, receiver, name, slot, vector),
-          value(value) {}
-    Node* value;
-  };
-
-  enum ElementSupport { kOnlyProperties, kSupportElements };
-  void HandleStoreICHandlerCase(
-      const StoreICParameters* p, Node* handler, Label* miss,
-      ElementSupport support_elements = kOnlyProperties);
-
- private:
-  // Stub generation entry points.
-
-  void LoadIC(const LoadICParameters* p);
-  void LoadICProtoArray(const LoadICParameters* p, Node* handler,
-                        bool throw_reference_error_if_nonexistent);
-  void LoadGlobalIC(const LoadICParameters* p, TypeofMode typeof_mode);
-  void KeyedLoadIC(const LoadICParameters* p);
-  void KeyedLoadICGeneric(const LoadICParameters* p);
-  void StoreIC(const StoreICParameters* p);
-  void KeyedStoreIC(const StoreICParameters* p, LanguageMode language_mode);
-
-  // IC dispatcher behavior.
-
-  // Checks monomorphic case. Returns {feedback} entry of the vector.
-  Node* TryMonomorphicCase(Node* slot, Node* vector, Node* receiver_map,
-                           Label* if_handler, Variable* var_handler,
-                           Label* if_miss);
-  void HandlePolymorphicCase(Node* receiver_map, Node* feedback,
-                             Label* if_handler, Variable* var_handler,
-                             Label* if_miss, int unroll_count);
-  void HandleKeyedStorePolymorphicCase(Node* receiver_map, Node* feedback,
-                                       Label* if_handler, Variable* var_handler,
-                                       Label* if_transition_handler,
-                                       Variable* var_transition_map_cell,
-                                       Label* if_miss);
-
-  // LoadIC implementation.
-
-  void HandleLoadICHandlerCase(
-      const LoadICParameters* p, Node* handler, Label* miss,
-      ElementSupport support_elements = kOnlyProperties);
-
-  void HandleLoadICSmiHandlerCase(const LoadICParameters* p, Node* holder,
-                                  Node* smi_handler, Label* miss,
-                                  ElementSupport support_elements);
-
-  void HandleLoadICProtoHandlerCase(const LoadICParameters* p, Node* handler,
-                                    Variable* var_holder,
-                                    Variable* var_smi_handler,
-                                    Label* if_smi_handler, Label* miss,
-                                    bool throw_reference_error_if_nonexistent);
-
-  Node* EmitLoadICProtoArrayCheck(const LoadICParameters* p, Node* handler,
-                                  Node* handler_length, Node* handler_flags,
-                                  Label* miss,
-                                  bool throw_reference_error_if_nonexistent);
-
-  // LoadGlobalIC implementation.
-
-  void HandleLoadGlobalICHandlerCase(const LoadICParameters* p, Node* handler,
-                                     Label* miss,
-                                     bool throw_reference_error_if_nonexistent);
-
-  // StoreIC implementation.
-
-  void HandleStoreICElementHandlerCase(const StoreICParameters* p,
-                                       Node* handler, Label* miss);
-
-  void HandleStoreICProtoHandler(const StoreICParameters* p, Node* handler,
-                                 Label* miss);
-  // If |transition| is nullptr then the normal field store is generated or
-  // transitioning store otherwise.
-  void HandleStoreICSmiHandlerCase(Node* handler_word, Node* holder,
-                                   Node* value, Node* transition, Label* miss);
-  // If |transition| is nullptr then the normal field store is generated or
-  // transitioning store otherwise.
-  void HandleStoreFieldAndReturn(Node* handler_word, Node* holder,
-                                 Representation representation, Node* value,
-                                 Node* transition, Label* miss);
-
-  // Low-level helpers.
-
-  Node* PrepareValueForStore(Node* handler_word, Node* holder,
-                             Representation representation, Node* transition,
-                             Node* value, Label* bailout);
-
-  // Extends properties backing store by JSObject::kFieldsAdded elements.
-  void ExtendPropertiesBackingStore(Node* object);
-
-  void StoreNamedField(Node* handler_word, Node* object, bool is_inobject,
-                       Representation representation, Node* value,
-                       bool transition_to_field);
-
-  void EmitFastElementsBoundsCheck(Node* object, Node* elements,
-                                   Node* intptr_index,
-                                   Node* is_jsarray_condition, Label* miss);
-  void EmitElementLoad(Node* object, Node* elements, Node* elements_kind,
-                       Node* key, Node* is_jsarray_condition, Label* if_hole,
-                       Label* rebox_double, Variable* var_double_value,
-                       Label* unimplemented_elements_kind, Label* out_of_bounds,
-                       Label* miss);
-  void CheckPrototype(Node* prototype_cell, Node* name, Label* miss);
-  void NameDictionaryNegativeLookup(Node* object, Node* name, Label* miss);
-
-  // Stub cache access helpers.
-
-  // This enum is used here as a replacement for StubCache::Table to avoid
-  // including stub cache header.
-  enum StubCacheTable : int;
-
-  Node* StubCachePrimaryOffset(Node* name, Node* map);
-  Node* StubCacheSecondaryOffset(Node* name, Node* seed);
-
-  void TryProbeStubCacheTable(StubCache* stub_cache, StubCacheTable table_id,
-                              Node* entry_offset, Node* name, Node* map,
-                              Label* if_handler, Variable* var_handler,
-                              Label* if_miss);
-};
-
-}  // namespace internal
-}  // namespace v8
-
-#endif  // V8_SRC_IC_ACCESSOR_ASSEMBLER_IMPL_H_