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// Copyright 2013 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_COMPILER_JS_OPERATOR_H_
#define V8_COMPILER_JS_OPERATOR_H_
#include "src/base/compiler-specific.h"
#include "src/globals.h"
#include "src/handles.h"
#include "src/runtime/runtime.h"
#include "src/type-hints.h"
#include "src/vector-slot-pair.h"
namespace v8 {
namespace internal {
class AllocationSite;
class BoilerplateDescription;
class ConstantElementsPair;
class SharedFunctionInfo;
namespace compiler {
// Forward declarations.
class Operator;
struct JSOperatorGlobalCache;
// Defines the frequency a given Call/Construct site was executed. For some
// call sites the frequency is not known.
class CallFrequency final {
public:
CallFrequency() : value_(std::numeric_limits<float>::quiet_NaN()) {}
explicit CallFrequency(float value) : value_(value) {
DCHECK(!std::isnan(value));
}
bool IsKnown() const { return !IsUnknown(); }
bool IsUnknown() const { return std::isnan(value_); }
float value() const {
DCHECK(IsKnown());
return value_;
}
bool operator==(CallFrequency const& that) const {
return bit_cast<uint32_t>(this->value_) == bit_cast<uint32_t>(that.value_);
}
bool operator!=(CallFrequency const& that) const { return !(*this == that); }
friend size_t hash_value(CallFrequency f) {
return bit_cast<uint32_t>(f.value_);
}
private:
float value_;
};
std::ostream& operator<<(std::ostream&, CallFrequency);
CallFrequency CallFrequencyOf(Operator const* op) WARN_UNUSED_RESULT;
// Defines the flags for a JavaScript call forwarding parameters. This
// is used as parameter by JSConstructForwardVarargs operators.
class ConstructForwardVarargsParameters final {
public:
ConstructForwardVarargsParameters(size_t arity, uint32_t start_index)
: bit_field_(ArityField::encode(arity) |
StartIndexField::encode(start_index)) {}
size_t arity() const { return ArityField::decode(bit_field_); }
uint32_t start_index() const { return StartIndexField::decode(bit_field_); }
bool operator==(ConstructForwardVarargsParameters const& that) const {
return this->bit_field_ == that.bit_field_;
}
bool operator!=(ConstructForwardVarargsParameters const& that) const {
return !(*this == that);
}
private:
friend size_t hash_value(ConstructForwardVarargsParameters const& p) {
return p.bit_field_;
}
typedef BitField<size_t, 0, 16> ArityField;
typedef BitField<uint32_t, 16, 16> StartIndexField;
uint32_t const bit_field_;
};
std::ostream& operator<<(std::ostream&,
ConstructForwardVarargsParameters const&);
ConstructForwardVarargsParameters const& ConstructForwardVarargsParametersOf(
Operator const*) WARN_UNUSED_RESULT;
// Defines the arity and the feedback for a JavaScript constructor call. This is
// used as a parameter by JSConstruct and JSConstructWithSpread operators.
class ConstructParameters final {
public:
ConstructParameters(uint32_t arity, CallFrequency frequency,
VectorSlotPair const& feedback)
: arity_(arity), frequency_(frequency), feedback_(feedback) {}
uint32_t arity() const { return arity_; }
CallFrequency frequency() const { return frequency_; }
VectorSlotPair const& feedback() const { return feedback_; }
private:
uint32_t const arity_;
CallFrequency const frequency_;
VectorSlotPair const feedback_;
};
bool operator==(ConstructParameters const&, ConstructParameters const&);
bool operator!=(ConstructParameters const&, ConstructParameters const&);
size_t hash_value(ConstructParameters const&);
std::ostream& operator<<(std::ostream&, ConstructParameters const&);
ConstructParameters const& ConstructParametersOf(Operator const*);
// Defines the flags for a JavaScript call forwarding parameters. This
// is used as parameter by JSCallForwardVarargs operators.
class CallForwardVarargsParameters final {
public:
CallForwardVarargsParameters(size_t arity, uint32_t start_index)
: bit_field_(ArityField::encode(arity) |
StartIndexField::encode(start_index)) {}
size_t arity() const { return ArityField::decode(bit_field_); }
uint32_t start_index() const { return StartIndexField::decode(bit_field_); }
bool operator==(CallForwardVarargsParameters const& that) const {
return this->bit_field_ == that.bit_field_;
}
bool operator!=(CallForwardVarargsParameters const& that) const {
return !(*this == that);
}
private:
friend size_t hash_value(CallForwardVarargsParameters const& p) {
return p.bit_field_;
}
typedef BitField<size_t, 0, 15> ArityField;
typedef BitField<uint32_t, 15, 15> StartIndexField;
uint32_t const bit_field_;
};
std::ostream& operator<<(std::ostream&, CallForwardVarargsParameters const&);
CallForwardVarargsParameters const& CallForwardVarargsParametersOf(
Operator const*) WARN_UNUSED_RESULT;
// Defines the arity and the call flags for a JavaScript function call. This is
// used as a parameter by JSCall and JSCallWithSpread operators.
class CallParameters final {
public:
CallParameters(size_t arity, CallFrequency frequency,
VectorSlotPair const& feedback,
ConvertReceiverMode convert_mode,
SpeculationMode speculation_mode)
: bit_field_(ArityField::encode(arity) |
SpeculationModeField::encode(speculation_mode) |
ConvertReceiverModeField::encode(convert_mode)),
frequency_(frequency),
feedback_(feedback) {}
size_t arity() const { return ArityField::decode(bit_field_); }
CallFrequency frequency() const { return frequency_; }
ConvertReceiverMode convert_mode() const {
return ConvertReceiverModeField::decode(bit_field_);
}
VectorSlotPair const& feedback() const { return feedback_; }
SpeculationMode speculation_mode() const {
return SpeculationModeField::decode(bit_field_);
}
bool operator==(CallParameters const& that) const {
return this->bit_field_ == that.bit_field_ &&
this->frequency_ == that.frequency_ &&
this->feedback_ == that.feedback_;
}
bool operator!=(CallParameters const& that) const { return !(*this == that); }
private:
friend size_t hash_value(CallParameters const& p) {
return base::hash_combine(p.bit_field_, p.frequency_, p.feedback_);
}
typedef BitField<size_t, 0, 28> ArityField;
typedef BitField<SpeculationMode, 28, 1> SpeculationModeField;
typedef BitField<ConvertReceiverMode, 29, 2> ConvertReceiverModeField;
uint32_t const bit_field_;
CallFrequency const frequency_;
VectorSlotPair const feedback_;
};
size_t hash_value(CallParameters const&);
std::ostream& operator<<(std::ostream&, CallParameters const&);
const CallParameters& CallParametersOf(const Operator* op);
// Defines the arity and the ID for a runtime function call. This is used as a
// parameter by JSCallRuntime operators.
class CallRuntimeParameters final {
public:
CallRuntimeParameters(Runtime::FunctionId id, size_t arity)
: id_(id), arity_(arity) {}
Runtime::FunctionId id() const { return id_; }
size_t arity() const { return arity_; }
private:
const Runtime::FunctionId id_;
const size_t arity_;
};
bool operator==(CallRuntimeParameters const&, CallRuntimeParameters const&);
bool operator!=(CallRuntimeParameters const&, CallRuntimeParameters const&);
size_t hash_value(CallRuntimeParameters const&);
std::ostream& operator<<(std::ostream&, CallRuntimeParameters const&);
const CallRuntimeParameters& CallRuntimeParametersOf(const Operator* op);
// Defines the location of a context slot relative to a specific scope. This is
// used as a parameter by JSLoadContext and JSStoreContext operators and allows
// accessing a context-allocated variable without keeping track of the scope.
class ContextAccess final {
public:
ContextAccess(size_t depth, size_t index, bool immutable);
size_t depth() const { return depth_; }
size_t index() const { return index_; }
bool immutable() const { return immutable_; }
private:
// For space reasons, we keep this tightly packed, otherwise we could just use
// a simple int/int/bool POD.
const bool immutable_;
const uint16_t depth_;
const uint32_t index_;
};
bool operator==(ContextAccess const&, ContextAccess const&);
bool operator!=(ContextAccess const&, ContextAccess const&);
size_t hash_value(ContextAccess const&);
V8_EXPORT_PRIVATE std::ostream& operator<<(std::ostream&, ContextAccess const&);
ContextAccess const& ContextAccessOf(Operator const*);
// Defines the name and ScopeInfo for a new catch context. This is used as a
// parameter by the JSCreateCatchContext operator.
class CreateCatchContextParameters final {
public:
CreateCatchContextParameters(Handle<String> catch_name,
Handle<ScopeInfo> scope_info);
Handle<String> catch_name() const { return catch_name_; }
Handle<ScopeInfo> scope_info() const { return scope_info_; }
private:
Handle<String> const catch_name_;
Handle<ScopeInfo> const scope_info_;
};
bool operator==(CreateCatchContextParameters const& lhs,
CreateCatchContextParameters const& rhs);
bool operator!=(CreateCatchContextParameters const& lhs,
CreateCatchContextParameters const& rhs);
size_t hash_value(CreateCatchContextParameters const& parameters);
std::ostream& operator<<(std::ostream& os,
CreateCatchContextParameters const& parameters);
CreateCatchContextParameters const& CreateCatchContextParametersOf(
Operator const*);
// Defines the slot count and ScopeType for a new function or eval context. This
// is used as a parameter by the JSCreateFunctionContext operator.
class CreateFunctionContextParameters final {
public:
CreateFunctionContextParameters(int slot_count, ScopeType scope_type);
int slot_count() const { return slot_count_; }
ScopeType scope_type() const { return scope_type_; }
private:
int const slot_count_;
ScopeType const scope_type_;
};
bool operator==(CreateFunctionContextParameters const& lhs,
CreateFunctionContextParameters const& rhs);
bool operator!=(CreateFunctionContextParameters const& lhs,
CreateFunctionContextParameters const& rhs);
size_t hash_value(CreateFunctionContextParameters const& parameters);
std::ostream& operator<<(std::ostream& os,
CreateFunctionContextParameters const& parameters);
CreateFunctionContextParameters const& CreateFunctionContextParametersOf(
Operator const*);
// Defines parameters for JSStoreNamedOwn operator.
class StoreNamedOwnParameters final {
public:
StoreNamedOwnParameters(Handle<Name> name, VectorSlotPair const& feedback)
: name_(name), feedback_(feedback) {}
Handle<Name> name() const { return name_; }
VectorSlotPair const& feedback() const { return feedback_; }
private:
Handle<Name> const name_;
VectorSlotPair const feedback_;
};
bool operator==(StoreNamedOwnParameters const&, StoreNamedOwnParameters const&);
bool operator!=(StoreNamedOwnParameters const&, StoreNamedOwnParameters const&);
size_t hash_value(StoreNamedOwnParameters const&);
std::ostream& operator<<(std::ostream&, StoreNamedOwnParameters const&);
const StoreNamedOwnParameters& StoreNamedOwnParametersOf(const Operator* op);
// Defines the feedback, i.e., vector and index, for storing a data property in
// an object literal. This is used as a parameter by JSCreateEmptyLiteralArray
// and JSStoreDataPropertyInLiteral operators.
class FeedbackParameter final {
public:
explicit FeedbackParameter(VectorSlotPair const& feedback)
: feedback_(feedback) {}
VectorSlotPair const& feedback() const { return feedback_; }
private:
VectorSlotPair const feedback_;
};
bool operator==(FeedbackParameter const&, FeedbackParameter const&);
bool operator!=(FeedbackParameter const&, FeedbackParameter const&);
size_t hash_value(FeedbackParameter const&);
std::ostream& operator<<(std::ostream&, FeedbackParameter const&);
const FeedbackParameter& FeedbackParameterOf(const Operator* op);
// Defines the property of an object for a named access. This is
// used as a parameter by the JSLoadNamed and JSStoreNamed operators.
class NamedAccess final {
public:
NamedAccess(LanguageMode language_mode, Handle<Name> name,
VectorSlotPair const& feedback)
: name_(name), feedback_(feedback), language_mode_(language_mode) {}
Handle<Name> name() const { return name_; }
LanguageMode language_mode() const { return language_mode_; }
VectorSlotPair const& feedback() const { return feedback_; }
private:
Handle<Name> const name_;
VectorSlotPair const feedback_;
LanguageMode const language_mode_;
};
bool operator==(NamedAccess const&, NamedAccess const&);
bool operator!=(NamedAccess const&, NamedAccess const&);
size_t hash_value(NamedAccess const&);
std::ostream& operator<<(std::ostream&, NamedAccess const&);
const NamedAccess& NamedAccessOf(const Operator* op);
// Defines the property being loaded from an object by a named load. This is
// used as a parameter by JSLoadGlobal operator.
class LoadGlobalParameters final {
public:
LoadGlobalParameters(const Handle<Name>& name, const VectorSlotPair& feedback,
TypeofMode typeof_mode)
: name_(name), feedback_(feedback), typeof_mode_(typeof_mode) {}
const Handle<Name>& name() const { return name_; }
TypeofMode typeof_mode() const { return typeof_mode_; }
const VectorSlotPair& feedback() const { return feedback_; }
private:
const Handle<Name> name_;
const VectorSlotPair feedback_;
const TypeofMode typeof_mode_;
};
bool operator==(LoadGlobalParameters const&, LoadGlobalParameters const&);
bool operator!=(LoadGlobalParameters const&, LoadGlobalParameters const&);
size_t hash_value(LoadGlobalParameters const&);
std::ostream& operator<<(std::ostream&, LoadGlobalParameters const&);
const LoadGlobalParameters& LoadGlobalParametersOf(const Operator* op);
// Defines the property being stored to an object by a named store. This is
// used as a parameter by JSStoreGlobal operator.
class StoreGlobalParameters final {
public:
StoreGlobalParameters(LanguageMode language_mode,
const VectorSlotPair& feedback,
const Handle<Name>& name)
: language_mode_(language_mode), name_(name), feedback_(feedback) {}
LanguageMode language_mode() const { return language_mode_; }
const VectorSlotPair& feedback() const { return feedback_; }
const Handle<Name>& name() const { return name_; }
private:
const LanguageMode language_mode_;
const Handle<Name> name_;
const VectorSlotPair feedback_;
};
bool operator==(StoreGlobalParameters const&, StoreGlobalParameters const&);
bool operator!=(StoreGlobalParameters const&, StoreGlobalParameters const&);
size_t hash_value(StoreGlobalParameters const&);
std::ostream& operator<<(std::ostream&, StoreGlobalParameters const&);
const StoreGlobalParameters& StoreGlobalParametersOf(const Operator* op);
// Defines the property of an object for a keyed access. This is used
// as a parameter by the JSLoadProperty and JSStoreProperty operators.
class PropertyAccess final {
public:
PropertyAccess(LanguageMode language_mode, VectorSlotPair const& feedback)
: feedback_(feedback), language_mode_(language_mode) {}
LanguageMode language_mode() const { return language_mode_; }
VectorSlotPair const& feedback() const { return feedback_; }
private:
VectorSlotPair const feedback_;
LanguageMode const language_mode_;
};
bool operator==(PropertyAccess const&, PropertyAccess const&);
bool operator!=(PropertyAccess const&, PropertyAccess const&);
size_t hash_value(PropertyAccess const&);
std::ostream& operator<<(std::ostream&, PropertyAccess const&);
PropertyAccess const& PropertyAccessOf(const Operator* op);
// CreateArgumentsType is used as parameter to JSCreateArguments nodes.
CreateArgumentsType const& CreateArgumentsTypeOf(const Operator* op);
// Defines shared information for the array that should be created. This is
// used as parameter by JSCreateArray operators.
class CreateArrayParameters final {
public:
explicit CreateArrayParameters(size_t arity, Handle<AllocationSite> site)
: arity_(arity), site_(site) {}
size_t arity() const { return arity_; }
Handle<AllocationSite> site() const { return site_; }
private:
size_t const arity_;
Handle<AllocationSite> const site_;
};
bool operator==(CreateArrayParameters const&, CreateArrayParameters const&);
bool operator!=(CreateArrayParameters const&, CreateArrayParameters const&);
size_t hash_value(CreateArrayParameters const&);
std::ostream& operator<<(std::ostream&, CreateArrayParameters const&);
const CreateArrayParameters& CreateArrayParametersOf(const Operator* op);
// Defines shared information for the bound function that should be created.
// This is used as parameter by JSCreateBoundFunction operators.
class CreateBoundFunctionParameters final {
public:
CreateBoundFunctionParameters(size_t arity, Handle<Map> map)
: arity_(arity), map_(map) {}
size_t arity() const { return arity_; }
Handle<Map> map() const { return map_; }
private:
size_t const arity_;
Handle<Map> const map_;
};
bool operator==(CreateBoundFunctionParameters const&,
CreateBoundFunctionParameters const&);
bool operator!=(CreateBoundFunctionParameters const&,
CreateBoundFunctionParameters const&);
size_t hash_value(CreateBoundFunctionParameters const&);
std::ostream& operator<<(std::ostream&, CreateBoundFunctionParameters const&);
const CreateBoundFunctionParameters& CreateBoundFunctionParametersOf(
const Operator* op);
// Defines shared information for the closure that should be created. This is
// used as a parameter by JSCreateClosure operators.
class CreateClosureParameters final {
public:
CreateClosureParameters(Handle<SharedFunctionInfo> shared_info,
VectorSlotPair const& feedback,
PretenureFlag pretenure)
: shared_info_(shared_info), feedback_(feedback), pretenure_(pretenure) {}
Handle<SharedFunctionInfo> shared_info() const { return shared_info_; }
VectorSlotPair const& feedback() const { return feedback_; }
PretenureFlag pretenure() const { return pretenure_; }
private:
const Handle<SharedFunctionInfo> shared_info_;
VectorSlotPair const feedback_;
const PretenureFlag pretenure_;
};
bool operator==(CreateClosureParameters const&, CreateClosureParameters const&);
bool operator!=(CreateClosureParameters const&, CreateClosureParameters const&);
size_t hash_value(CreateClosureParameters const&);
std::ostream& operator<<(std::ostream&, CreateClosureParameters const&);
const CreateClosureParameters& CreateClosureParametersOf(const Operator* op);
// Defines shared information for the literal that should be created. This is
// used as parameter by JSCreateLiteralArray, JSCreateLiteralObject and
// JSCreateLiteralRegExp operators.
class CreateLiteralParameters final {
public:
CreateLiteralParameters(Handle<HeapObject> constant,
VectorSlotPair const& feedback, int length, int flags)
: constant_(constant),
feedback_(feedback),
length_(length),
flags_(flags) {}
Handle<HeapObject> constant() const { return constant_; }
VectorSlotPair const& feedback() const { return feedback_; }
int length() const { return length_; }
int flags() const { return flags_; }
private:
Handle<HeapObject> const constant_;
VectorSlotPair const feedback_;
int const length_;
int const flags_;
};
bool operator==(CreateLiteralParameters const&, CreateLiteralParameters const&);
bool operator!=(CreateLiteralParameters const&, CreateLiteralParameters const&);
size_t hash_value(CreateLiteralParameters const&);
std::ostream& operator<<(std::ostream&, CreateLiteralParameters const&);
const CreateLiteralParameters& CreateLiteralParametersOf(const Operator* op);
// Descriptor used by the JSForInPrepare and JSForInNext opcodes.
enum class ForInMode : uint8_t {
kUseEnumCacheKeysAndIndices,
kUseEnumCacheKeys,
kGeneric
};
size_t hash_value(ForInMode);
std::ostream& operator<<(std::ostream&, ForInMode);
ForInMode ForInModeOf(Operator const* op) WARN_UNUSED_RESULT;
BinaryOperationHint BinaryOperationHintOf(const Operator* op);
CompareOperationHint CompareOperationHintOf(const Operator* op);
// Interface for building JavaScript-level operators, e.g. directly from the
// AST. Most operators have no parameters, thus can be globally shared for all
// graphs.
class V8_EXPORT_PRIVATE JSOperatorBuilder final
: public NON_EXPORTED_BASE(ZoneObject) {
public:
explicit JSOperatorBuilder(Zone* zone);
const Operator* Equal(CompareOperationHint hint);
const Operator* StrictEqual(CompareOperationHint hint);
const Operator* LessThan(CompareOperationHint hint);
const Operator* GreaterThan(CompareOperationHint hint);
const Operator* LessThanOrEqual(CompareOperationHint hint);
const Operator* GreaterThanOrEqual(CompareOperationHint hint);
const Operator* BitwiseOr();
const Operator* BitwiseXor();
const Operator* BitwiseAnd();
const Operator* ShiftLeft();
const Operator* ShiftRight();
const Operator* ShiftRightLogical();
const Operator* Add(BinaryOperationHint hint);
const Operator* Subtract();
const Operator* Multiply();
const Operator* Divide();
const Operator* Modulus();
const Operator* Exponentiate();
const Operator* BitwiseNot();
const Operator* Decrement();
const Operator* Increment();
const Operator* Negate();
const Operator* ToInteger();
const Operator* ToLength();
const Operator* ToName();
const Operator* ToNumber();
const Operator* ToNumeric();
const Operator* ToObject();
const Operator* ToString();
const Operator* Create();
const Operator* CreateArguments(CreateArgumentsType type);
const Operator* CreateArray(size_t arity, Handle<AllocationSite> site);
const Operator* CreateBoundFunction(size_t arity, Handle<Map> map);
const Operator* CreateClosure(Handle<SharedFunctionInfo> shared_info,
VectorSlotPair const& feedback,
PretenureFlag pretenure);
const Operator* CreateIterResultObject();
const Operator* CreateKeyValueArray();
const Operator* CreateLiteralArray(Handle<ConstantElementsPair> constant,
VectorSlotPair const& feedback,
int literal_flags, int number_of_elements);
const Operator* CreateEmptyLiteralArray(VectorSlotPair const& feedback);
const Operator* CreateEmptyLiteralObject();
const Operator* CreateLiteralObject(Handle<BoilerplateDescription> constant,
VectorSlotPair const& feedback,
int literal_flags,
int number_of_properties);
const Operator* CreateLiteralRegExp(Handle<String> constant_pattern,
VectorSlotPair const& feedback,
int literal_flags);
const Operator* CallForwardVarargs(size_t arity, uint32_t start_index);
const Operator* Call(
size_t arity, CallFrequency frequency = CallFrequency(),
VectorSlotPair const& feedback = VectorSlotPair(),
ConvertReceiverMode convert_mode = ConvertReceiverMode::kAny,
SpeculationMode speculation_mode = SpeculationMode::kAllowSpeculation);
const Operator* CallWithArrayLike(CallFrequency frequency);
const Operator* CallWithSpread(
uint32_t arity, CallFrequency frequency = CallFrequency(),
VectorSlotPair const& feedback = VectorSlotPair(),
SpeculationMode speculation_mode = SpeculationMode::kAllowSpeculation);
const Operator* CallRuntime(Runtime::FunctionId id);
const Operator* CallRuntime(Runtime::FunctionId id, size_t arity);
const Operator* CallRuntime(const Runtime::Function* function, size_t arity);
const Operator* ConstructForwardVarargs(size_t arity, uint32_t start_index);
const Operator* Construct(uint32_t arity,
CallFrequency frequency = CallFrequency(),
VectorSlotPair const& feedback = VectorSlotPair());
const Operator* ConstructWithArrayLike(CallFrequency frequency);
const Operator* ConstructWithSpread(
uint32_t arity, CallFrequency frequency = CallFrequency(),
VectorSlotPair const& feedback = VectorSlotPair());
const Operator* LoadProperty(VectorSlotPair const& feedback);
const Operator* LoadNamed(Handle<Name> name, VectorSlotPair const& feedback);
const Operator* StoreProperty(LanguageMode language_mode,
VectorSlotPair const& feedback);
const Operator* StoreNamed(LanguageMode language_mode, Handle<Name> name,
VectorSlotPair const& feedback);
const Operator* StoreNamedOwn(Handle<Name> name,
VectorSlotPair const& feedback);
const Operator* StoreDataPropertyInLiteral(const VectorSlotPair& feedback);
const Operator* DeleteProperty();
const Operator* HasProperty();
const Operator* GetSuperConstructor();
const Operator* CreateGeneratorObject();
const Operator* LoadGlobal(const Handle<Name>& name,
const VectorSlotPair& feedback,
TypeofMode typeof_mode = NOT_INSIDE_TYPEOF);
const Operator* StoreGlobal(LanguageMode language_mode,
const Handle<Name>& name,
const VectorSlotPair& feedback);
const Operator* LoadContext(size_t depth, size_t index, bool immutable);
const Operator* StoreContext(size_t depth, size_t index);
const Operator* LoadModule(int32_t cell_index);
const Operator* StoreModule(int32_t cell_index);
const Operator* ClassOf();
const Operator* HasInPrototypeChain();
const Operator* InstanceOf(const VectorSlotPair& feedback);
const Operator* OrdinaryHasInstance();
const Operator* ForInEnumerate();
const Operator* ForInNext(ForInMode);
const Operator* ForInPrepare(ForInMode);
const Operator* LoadMessage();
const Operator* StoreMessage();
// Used to implement Ignition's SuspendGenerator bytecode.
const Operator* GeneratorStore(int register_count);
// Used to implement Ignition's RestoreGeneratorState bytecode.
const Operator* GeneratorRestoreContinuation();
// Used to implement Ignition's ResumeGenerator bytecode.
const Operator* GeneratorRestoreRegister(int index);
const Operator* GeneratorRestoreInputOrDebugPos();
const Operator* StackCheck();
const Operator* Debugger();
const Operator* CreateFunctionContext(int slot_count, ScopeType scope_type);
const Operator* CreateCatchContext(const Handle<String>& name,
const Handle<ScopeInfo>& scope_info);
const Operator* CreateWithContext(const Handle<ScopeInfo>& scope_info);
const Operator* CreateBlockContext(const Handle<ScopeInfo>& scpope_info);
private:
Zone* zone() const { return zone_; }
const JSOperatorGlobalCache& cache_;
Zone* const zone_;
DISALLOW_COPY_AND_ASSIGN(JSOperatorBuilder);
};
} // namespace compiler
} // namespace internal
} // namespace v8
#endif // V8_COMPILER_JS_OPERATOR_H_