140   NodeType node_type() const { return NodeTypeField::decode(bit_field_); }  in AST_NODE_LIST()
169   uint32_t bit_field_;  in AST_NODE_LIST()
173       : position_(position), bit_field_(NodeTypeField::encode(type)) {}  in AST_NODE_LIST()
287     return BreakableTypeField::decode(bit_field_) == TARGET_FOR_ANONYMOUS;  in is_target_for_anonymous()
297     bit_field_ |= BreakableTypeField::encode(breakable_type);  in BreakableStatement()
307     return IgnoreCompletionField::decode(bit_field_);  in ignore_completion_value()
337     bit_field_ |= IgnoreCompletionField::encode(ignore_completion_value) |  in Block()
359   if (IsLabeledField::decode(bit_field_)) {  in labels()
415     bit_field_ = IsNestedField::update(bit_field_, is_nested);  in Declaration()
439   return IsNestedField::decode(bit_field_)  in AsNested()
606   ForInType for_in_type() const { return ForInTypeField::decode(bit_field_); }  in for_in_type()
616     bit_field_ = ForInTypeField::update(bit_field_, SLOW_FOR_IN);  in ForInStatement()
754   Type type() const { return TypeField::decode(bit_field_); }  in type()
766     bit_field_ |= TypeField::encode(type);  in ReturnStatement()
1030   Type type() const { return TypeField::decode(bit_field_); }  in type()
1103     bit_field_ = TypeField::update(bit_field_, kSmi);  in Literal()
1108     bit_field_ = TypeField::update(bit_field_, kHeapNumber);  in Literal()
1113     bit_field_ = TypeField::update(bit_field_, kBigInt);  in Literal()
1118     bit_field_ = TypeField::update(bit_field_, kString);  in Literal()
1123     bit_field_ = TypeField::update(bit_field_, kSymbol);  in Literal()
1128     bit_field_ = TypeField::update(bit_field_, kBoolean);  in Literal()
1133     bit_field_ = TypeField::update(bit_field_, type);  in Literal()
1214     return NeedsInitialAllocationSiteField::decode(bit_field_);  in needs_initial_allocation_site()
1227   bool is_simple() const { return IsSimpleField::decode(bit_field_); }  in is_simple()
1240     bit_field_ |= NeedsInitialAllocationSiteField::encode(false) |  in AggregateLiteral()
1245     bit_field_ = IsSimpleField::update(bit_field_, is_simple);  in set_is_simple()
1254     bit_field_ = NeedsInitialAllocationSiteField::update(bit_field_, required);  in set_needs_initial_allocation_site()
1330   bool has_elements() const { return HasElementsField::decode(bit_field_); }  in has_elements()
1332     return HasRestPropertyField::decode(bit_field_);  in has_rest_property()
1334   bool fast_elements() const { return FastElementsField::decode(bit_field_); }  in fast_elements()
1336     return HasNullPrototypeField::decode(bit_field_);  in has_null_prototype()
1410     bit_field_ |= HasElementsField::encode(false) |  in ObjectLiteral()
1419     bit_field_ = HasElementsField::update(bit_field_, has_elements);  in set_has_elements()
1422     bit_field_ = FastElementsField::update(bit_field_, fast_elements);  in set_fast_elements()
1425     bit_field_ = HasNullPrototypeField::update(bit_field_, has_null_prototype);  in set_has_null_protoype()
1541   bool is_this() const { return IsThisField::decode(bit_field_); }  in is_this()
1543   bool is_assigned() const { return IsAssignedField::decode(bit_field_); }  in is_assigned()
1545     bit_field_ = IsAssignedField::update(bit_field_, true);  in set_is_assigned()
1551   bool is_resolved() const { return IsResolvedField::decode(bit_field_); }  in is_resolved()
1553     bit_field_ = IsResolvedField::update(bit_field_, true);  in set_is_resolved()
1556   bool is_new_target() const { return IsNewTargetField::decode(bit_field_); }  in is_new_target()
1558     bit_field_ = IsNewTargetField::update(bit_field_, true);  in set_is_new_target()
1562     HoleCheckMode mode = HoleCheckModeField::decode(bit_field_);  in hole_check_mode()
1569     bit_field_ =  in set_needs_hole_check()
1570         HoleCheckModeField::update(bit_field_, HoleCheckMode::kRequired);  in set_needs_hole_check()
1573   bool is_private_field() const { return IsPrivateField::decode(bit_field_); }  in is_private_field()
1575     bit_field_ = IsPrivateField::update(bit_field_, true);  in set_is_private_field()
1594     bit_field_ |= IsThisField::encode(variable_kind == THIS_VARIABLE) |  in VariableProxy()
1685     return IsPossiblyEvalField::decode(bit_field_);  in is_possibly_eval()
1689     return IsTaggedTemplateField::decode(bit_field_);  in is_tagged_template()
1724     bit_field_ |=  in Call()
1732     bit_field_ |= IsPossiblyEvalField::encode(false) |  in Call()
1809   Token::Value op() const { return OperatorField::decode(bit_field_); }  in op()
1817     bit_field_ |= OperatorField::encode(op);  in UnaryOperation()
1830   Token::Value op() const { return OperatorField::decode(bit_field_); }  in op()
1843     bit_field_ |= OperatorField::encode(op);  in BinaryOperation()
1856   Token::Value op() const { return OperatorField::decode(bit_field_); }  in op()
1879     bit_field_ |= OperatorField::encode(op);  in NaryOperation()
1916   bool is_prefix() const { return IsPrefixField::decode(bit_field_); }  in is_prefix()
1919   Token::Value op() const { return TokenField::decode(bit_field_); }  in op()
1928     bit_field_ |= IsPrefixField::encode(is_prefix) | TokenField::encode(op);  in CountOperation()
1941   Token::Value op() const { return OperatorField::decode(bit_field_); }  in op()
1956     bit_field_ |= OperatorField::encode(op);  in CompareOperation()
2033   Token::Value op() const { return TokenField::decode(bit_field_); }  in op()
2042         LookupHoistingModeField::decode(bit_field_));  in lookup_hoisting_mode()
2045     bit_field_ =  in set_lookup_hoisting_mode()
2046         LookupHoistingModeField::update(bit_field_, static_cast<bool>(mode));  in set_lookup_hoisting_mode()
2098   bool is_rewritten() const { return IsRewrittenField::decode(bit_field_); }  in is_rewritten()
2100     bit_field_ = IsRewrittenField::update(bit_field_, true);  in set_rewritten()
2121     bit_field_ |= IsRewrittenField::encode(false);  in RewritableExpression()
2152     return OnAbruptResumeField::decode(bit_field_);  in on_abrupt_resume()
2164     bit_field_ |= OnAbruptResumeField::encode(on_abrupt_resume);  in Suspend()
2249   void mark_as_iife() { bit_field_ = IIFEBit::update(bit_field_, true); }  in mark_as_iife()
2250   bool is_iife() const { return IIFEBit::decode(bit_field_); }  in is_iife()
2296   bool pretenure() const { return Pretenure::decode(bit_field_); }  in pretenure()
2297   void set_pretenure() { bit_field_ = Pretenure::update(bit_field_, true); }  in set_pretenure()
2302     return HasDuplicateParameters::decode(bit_field_);  in has_duplicate_parameters()
2314     return FunctionTypeBits::decode(bit_field_);  in function_type()
2322     return DontOptimizeReasonField::decode(bit_field_);  in dont_optimize_reason()
2325     bit_field_ = DontOptimizeReasonField::update(bit_field_, reason);  in set_dont_optimize_reason()
2338         end_position() - (HasBracesField::decode(bit_field_) ? 1 : 0));  in return_position()
2347     bit_field_ = RequiresInstanceFieldsInitializer::update(bit_field_, value);  in set_requires_instance_fields_initializer()
2350     return RequiresInstanceFieldsInitializer::decode(bit_field_);  in requires_instance_fields_initializer()
2380     bit_field_ |= FunctionTypeBits::encode(function_type) |  in Expression()
2484     return HasNameStaticProperty::decode(bit_field_);  in has_name_static_property()
2487     return HasStaticComputedNames::decode(bit_field_);  in has_static_computed_names()
2491     return IsAnonymousExpression::decode(bit_field_);  in is_anonymous_expression()
2525     bit_field_ |= HasNameStaticProperty::encode(has_name_static_property) |  in ClassLiteral()