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// Copyright 2019 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.
@abstract
extern class TemplateInfo extends Struct {
tag: Smi;
serial_number: Smi;
number_of_properties: Smi;
property_list: TemplateList|Undefined;
property_accessors: TemplateList|Undefined;
}
@generatePrint
extern class FunctionTemplateRareData extends Struct {
// See DECL_RARE_ACCESSORS in FunctionTemplateInfo.
prototype_template: ObjectTemplateInfo|Undefined;
prototype_provider_template: FunctionTemplateInfo|Undefined;
parent_template: FunctionTemplateInfo|Undefined;
named_property_handler: InterceptorInfo|Undefined;
indexed_property_handler: InterceptorInfo|Undefined;
instance_template: ObjectTemplateInfo|Undefined;
instance_call_handler: CallHandlerInfo|Undefined;
access_check_info: AccessCheckInfo|Undefined;
c_function_overloads: FixedArray;
}
bitfield struct FunctionTemplateInfoFlags extends uint31 {
undetectable: bool: 1 bit;
needs_access_check: bool: 1 bit;
read_only_prototype: bool: 1 bit;
remove_prototype: bool: 1 bit;
accept_any_receiver: bool: 1 bit;
published: bool: 1 bit;
// Allowed receiver ranges are used for instance type checking to check
// whether the receiver calling the associated JSFunction is a compatible
// receiver.
allowed_receiver_range_start: int32: 12 bit;
allowed_receiver_range_end: int32: 12 bit;
}
extern class FunctionTemplateInfo extends TemplateInfo {
// Handler invoked when calling an instance of this FunctionTemplateInfo.
// Either CallHandlerInfo or Undefined.
@cppAcquireLoad @cppReleaseStore call_code: CallHandlerInfo|Undefined;
class_name: String|Undefined;
// If the signature is a FunctionTemplateInfo it is used to check whether the
// receiver calling the associated JSFunction is a compatible receiver, i.e.
// it is an instance of the signature FunctionTemplateInfo or any of the
// receiver's prototypes are.
signature: FunctionTemplateInfo|Undefined;
// If any of the setters declared by DECL_RARE_ACCESSORS are used then a
// FunctionTemplateRareData will be stored here. Until then this contains
// undefined.
@cppAcquireLoad
@cppReleaseStore
rare_data: FunctionTemplateRareData|Undefined;
shared_function_info: SharedFunctionInfo|Undefined;
// Internal field to store a flag bitfield.
flag: SmiTagged<FunctionTemplateInfoFlags>;
// "length" property of the final JSFunction.
length: Smi;
// Either the_hole or a private symbol. Used to cache the result on
// the receiver under the the cached_property_name when this
// FunctionTemplateInfo is used as a getter.
cached_property_name: Object;
// This will be set as the instance type of the objects that are created from
// this FunctionTemplateInfo.
instance_type: Smi;
}
bitfield struct ObjectTemplateInfoFlags extends uint31 {
is_immutable_prototype: bool: 1 bit;
is_code_kind: bool: 1 bit;
embedder_field_count: int32: 28 bit;
}
extern class ObjectTemplateInfo extends TemplateInfo {
constructor: FunctionTemplateInfo|Undefined;
data: SmiTagged<ObjectTemplateInfoFlags>;
}
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