CN107168887A - A kind of JavaScript object storage, recovery method and device - Google Patents
A kind of JavaScript object storage, recovery method and device Download PDFInfo
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- CN107168887A CN107168887A CN201710322364.5A CN201710322364A CN107168887A CN 107168887 A CN107168887 A CN 107168887A CN 201710322364 A CN201710322364 A CN 201710322364A CN 107168887 A CN107168887 A CN 107168887A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
- G06F12/023—Free address space management
- G06F12/0253—Garbage collection, i.e. reclamation of unreferenced memory
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/455—Emulation; Interpretation; Software simulation, e.g. virtualisation or emulation of application or operating system execution engines
- G06F9/45504—Abstract machines for programme code execution, e.g. Java virtual machine [JVM], interpreters, emulators
- G06F9/45529—Embedded in an application, e.g. JavaScript in a Web browser
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Abstract
The embodiment of the present application provides a kind of JavaScript object storage, recovery method and device, by the way that the JavaScript object of determination is stored to target storage position (being different from the special internal memories of JavaScript), the address information for indicating target storage position is obtained；Determine that the mode of first object heap memory and storage address information realizes the storage to JavaScript object from the special internal memories of JavaScript, JavaScript object that JavaScript engine produces in the process of running is reduced to the occupancy of the special internal memories of JavaScript, universal memory is saved, improves the operational efficiency of digital TV middleware.Accordingly, by providing the JavaScript object recovery method for JavaScript object storage method, the recovery to the special internal memories of JavaScript is realized.
Description
Technical field
The present invention relates to memory management technology field, more particularly to a kind of JavaScript object storage, recovery method
And device.
Background technology
Digital TV middleware is operate in a kind of software on set top box or DTV, the master of digital TV middleware
Function is wanted to include Web applications presentation, television programme reception and descrambling, local program broadcasting etc..The client of web services is clear
Program (browser) of looking at can send various requests to Web server, and hypertext information to being sent from server and various
Multimedia data format is explained, shows and played, and it is the main modular of digital TV middleware.
(each things in JavaScript can be regarded as a kind of literal translation formula scripts of JavaScript
JavaScript object), its interpreter is referred to as JavaScript engine, and (JavaScript engine is a special disposal
The virtual machine of JavaScript scripts, can typically be attached among browser), it is a part for browser, is widely used in client
The script at end.Prior art is typically to divide the special internal memories of JavaScript from the universal memory of digital TV middleware
Go out, to be only used for the Memory Allocation of JavaScript engine in the process of running, realize to JavaScript engine in processing
The storage of the JavaScript object produced in JavaScript scenario process.
However, it has been investigated that, distributing the special internal memories of larger JavaScript from universal memory to be only used for
In the case of the Memory Allocation of JavaScript engine in the process of running, often make it that universal memory remaining space is smaller,
And then cause the problem of digital TV middleware operation has some setbacks.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of JavaScript object storage, recovery method and device, to realize
Universal memory is saved, the purpose of the operational efficiency of digital TV middleware is improved.
To achieve these goals, technical scheme provided in an embodiment of the present invention is as follows：
A kind of JavaScript object storage method, including：
Determine the JavaScript object that JavaScript engine is produced during JavaScript scripts are handled；
The JavaScript object is stored to target storage position, and obtained for indicating the target storage position
Address information, the target storage position be different from the special internal memories of JavaScript；
The first object heap memory for storing the address information, institute are determined from the special internal memories of the JavaScript
The remaining space for stating first object heap memory is more than the size of the address information；
The address information is stored to the first object heap memory.
It is preferred that, the first mesh for storing the address information is determined in the special internal memory from the JavaScript
Heap memory is marked, including：
Determine the size with the presence or absence of remaining space not less than the address information in the special internal memories of the JavaScript
Heap memory；
If it is determined that there is remaining space in the special internal memories of JavaScript not less than the size of the address information
Heap memory, determines first object heap memory, the residue of the first object heap memory from the special internal memories of the JavaScript
Space is not less than the size of the address information；
If it is determined that remaining space is not present in the special internal memories of JavaScript is more than or equal to the big of the address information
Small heap memory, the size and the size of default heap memory of relatively more described address information；
It is described from universal memory when the size of the address information is not more than the size of default heap memory
JavaScript one heap memory of special Memory Allocation, the size of the heap memory distributed and the size of the default heap memory
It is identical；
It is described from universal memory when the size of the address information is more than the size of default heap memory
JavaScript one heap memory of special Memory Allocation, the size of the heap memory distributed meets the storage need of the address information
Ask.
It is preferred that, it is determined that believing in the special internal memories of the JavaScript with the presence or absence of remaining space not less than the address
Before the heap memory of the size of breath, this method also includes：
Determine to whether there is heap memory in the special internal memories of the JavaScript；
If it is determined that heap memory is not present in the special internal memories of JavaScript, relatively the size of the address information with it is pre-
If heap memory size；
It is described from universal memory when the size of the address information is not more than the size of default heap memory
JavaScript one heap memory of special Memory Allocation, the size of the heap memory distributed and the size of the default heap memory
It is identical；
It is described from universal memory when the size of the address information is more than the size of default heap memory
JavaScript one heap memory of special Memory Allocation, the size of the heap memory distributed meets the storage need of the address information
Ask；
It is described to determine in the special internal memories of JavaScript with the presence or absence of remaining space not less than the address information
The heap memory of size, including：If it is determined that there is heap memory in the special internal memories of JavaScript, the JavaScript is determined
Heap memory in special internal memory with the presence or absence of remaining space not less than the size of the address information.
It is preferred that, the address information carries attribute information, and the attribute information is used to indicate that the address information is indicated
Target storage position in the JavaScript object that stores can be recovered/can not be recovered.
It is preferred that, the target storage position is located in the universal memory.
A kind of JavaScript object storage device, including：
First determining unit, is produced for determining JavaScript engine during JavaScript scripts are handled
JavaScript object；
Acquiring unit, for the JavaScript object to be stored to target storage position, and is obtained for indicating institute
The address information of target storage position is stated, the target storage position is different from the special internal memories of JavaScript；
Second determining unit, for being determined from the special internal memories of the JavaScript for storing the address information
First object heap memory, the remaining space of the first object heap memory is more than the size of the address information；
Memory cell, for the address information to be stored to the first object heap memory.
It is preferred that, second determining unit, including：
3rd determining unit, for determining in the special internal memories of the JavaScript with the presence or absence of remaining space not less than institute
State the heap memory of the size of address information；
4th determining unit, for if it is determined that there is remaining space in the special internal memories of the JavaScript not less than described
The heap memory of the size of address information, determines first object heap memory, described first from the special internal memories of the JavaScript
The remaining space of target heap memory is not less than the size of the address information；
Comparing unit, for if it is determined that remaining space is not present in the special internal memories of the JavaScript more than or equal to described
The heap memory of the size of address information, the size and the size of default heap memory of relatively more described address information；
When the first allocation unit, size for being not more than default heap memory when the size of the address information, from logical
With being the JavaScript one heap memory of special Memory Allocation in internal memory, the size of the heap memory distributed with it is described default
Heap memory size it is identical；
Second allocation unit, for when the size of the address information is more than the size of default heap memory, from general
It is the JavaScript one heap memory of special Memory Allocation in internal memory, the size of the heap memory distributed meets the address
The storage demand of information.
A kind of JavaScript object recovery method based on described JavaScript object storage method, including：
In the case where meeting JavaScript object recovery condition, the second mesh is determined from the special internal memories of JavaScript
Mark heap memory；
Discharge each address information in the second target heap memory, and the target storage that the address information is indicated
The JavaScript object stored in position.
It is preferred that, target address information is not present in the second target heap memory, what the target address information was carried
Attribute information indicates that the JavaScript object stored in the target storage position that the target address information is indicated can not be returned
Receive.
A kind of JavaScript object retracting device, including：
5th determining unit, it is special from JavaScript in the case where meeting JavaScript object recovery condition
With determining the second target heap memory in internal memory；
Releasing unit, for discharging each address information in the second target heap memory, and the address information
The JavaScript object stored in the target storage position of instruction.
The embodiment of the present application provides a kind of storage of JavaScript object, recovery method and device, by by determination
JavaScript object is stored to target storage position (being different from the special internal memories of JavaScript), is obtained for indicating that target is deposited
The address information that storage space is put；The mode of first object heap memory and storage address information is determined from the special internal memories of JavaScript
The storage to JavaScript object is realized, the JavaScript that JavaScript engine is produced in the process of running is reduced
Object saves universal memory, improves the operational efficiency of digital TV middleware to the occupancy of the special internal memories of JavaScript.
Accordingly, by providing the JavaScript object recovery method for JavaScript object storage method, realize pair
The recovery of the special internal memories of JavaScript.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments described in invention, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawings can also be obtained according to these accompanying drawings.
A kind of JavaScript object storage method flow chart that Fig. 1 provides for the embodiment of the present application；
Fig. 2 determines to be used to store described for one kind that the embodiment of the present application is provided from the special internal memories of the JavaScript
The method flow diagram of the first object heap memory of address information；
Determine to be used to store institute in another special internal memory from the JavaScript that Fig. 3 provides for the embodiment of the present application
State the method flow diagram of the first object heap memory of address information；
A kind of structural representation for JavaScript object storage device that Fig. 4 provides for the embodiment of the present application；
A kind of JavaScript object recovery method flow chart that Fig. 5 provides for the embodiment of the present application；
A kind of structural representation for JavaScript object retracting device that Fig. 6 provides for the embodiment of the present application.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the present invention, below in conjunction with of the invention real
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described implementation
Example only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to protection of the present invention
Scope.
Embodiment：
A kind of JavaScript object storage method flow chart that Fig. 1 provides for the embodiment of the present application.
As shown in figure 1, this method includes：
S101, determine JavaScript engine produce JavaScript pairs during JavaScript scripts are handled
As；
S102, the JavaScript object stored to target storage position, and obtained for indicating that the target is deposited
The address information that storage space is put, the target storage position is different from the special internal memories of JavaScript；
Optionally, the target storage position is that in universal memory, the universal memory separates described
The special internal memories of JavaScript, the special internal memories of JavaScript are only used for the JavaScript engine in the process of running
Memory Allocation, realize and the JavaScript engine produced during JavaScript scripts are handled
The storage of JavaScript object.
S103, determine in the first object heap for storing the address information from the special internal memories of the JavaScript
Deposit, the remaining space of the first object heap memory is more than the size of the address information；
S104, the address information stored to the first object heap memory.
Fig. 2 determines to be used to store described for one kind that the embodiment of the present application is provided from the special internal memories of the JavaScript
The method flow diagram of the first object heap memory of address information.
As shown in Fig. 2 this method includes：
S201, determine in the special internal memories of the JavaScript with the presence or absence of remaining space not less than the address information
The heap memory of size；If it is determined that it is big not less than the address information to there is remaining space in the special internal memories of JavaScript
Small heap memory, performs step S202；If it is determined that being more than or equal in the special internal memories of JavaScript in the absence of remaining space
The heap memory of the size of the address information, performs step S203；
S202, determination first object heap memory, the first object heap memory from the JavaScript special internal memories
Remaining space be not less than the address information size；
The size of address information described in S203, comparison and the size of default heap memory；When the size of the address information
During the size of no more than default heap memory, step S204 is performed；When the size of the address information is more than default heap memory
Size when, perform step S205；
S204, it is in the JavaScript one heap memory of special Memory Allocation, the heap distributed from universal memory
The size deposited is identical with the size of the default heap memory；
S205, it is in the JavaScript one heap memory of special Memory Allocation, the heap distributed from universal memory
The size deposited meets the storage demand of the address information.
Optionally, the size of the heap memory distributed meets the storage demand of the address information, including：The heap distributed
The size of internal memory is not less than the size of the address information.
Determine to be used to store institute in another special internal memory from the JavaScript that Fig. 3 provides for the embodiment of the present application
State the method flow diagram of the first object heap memory of address information.
As shown in figure 3, this method includes：
S301, determine in the special internal memories of the JavaScript whether there is heap memory；If it is determined that the JavaScript
Heap memory is not present in special internal memory；Perform step S304；If it is determined that there is heap memory in the special internal memories of JavaScript；
Perform step S302；
S302, determine in the special internal memories of the JavaScript with the presence or absence of remaining space not less than the address information
The heap memory of size；If it is determined that it is big not less than the address information to there is remaining space in the special internal memories of JavaScript
Small heap memory, performs step S303；If it is determined that being more than or equal in the special internal memories of JavaScript in the absence of remaining space
The heap memory of the size of the address information, performs step S304；
S303, determination first object heap memory, the first object heap memory from the JavaScript special internal memories
Remaining space be not less than the address information size；
The size of address information described in S304, comparison and the size of default heap memory；When the size of the address information
During the size of no more than default heap memory, step S305 is performed；When the size of the address information is more than default heap memory
Size when, perform step S306；
S305, it is in the JavaScript one heap memory of special Memory Allocation, the heap distributed from universal memory
The size deposited is identical with the size of the default heap memory；
S306, it is in the JavaScript one heap memory of special Memory Allocation, the heap distributed from universal memory
The size deposited meets the storage demand of the address information.
Further, attribute information is carried in the address information in the embodiment of the present application, the attribute information is used to indicate
The JavaScript object stored in the target storage position that the address information is indicated can be recovered/can not be recovered.
For example, however, it is determined that JavaScript engine generates two during JavaScript scripts are handled
JavaScript object, JavaScript object 1 and JavaScript object 2；Believe with the corresponding address of JavaScript object 1
The attribute information that breath is carried indicates that the JavaScript object 1 can be recovered；Believe with the corresponding address of JavaScript object 2
The attribute information that breath is carried indicates that the JavaScript object 2 can not be recovered.
The embodiment of the present application provides a kind of JavaScript object storage method, by by the JavaScript object of determination
Store to target storage position (being different from the special internal memories of JavaScript), obtain the address for indicating target storage position and believe
Breath；The mode of first object heap memory and storage address information is determined from the special internal memories of JavaScript to be realized pair
The storage of JavaScript object, reduces the JavaScript object pair that JavaScript engine is produced in the process of running
The occupancy of the special internal memories of JavaScript, saves universal memory, improves the operational efficiency of digital TV middleware.
A kind of structural representation for JavaScript object storage device that Fig. 4 provides for the embodiment of the present application.
As shown in figure 4, the device includes：
First determining unit 41, for determining that JavaScript engine is produced during JavaScript scripts are handled
JavaScript object；
Acquiring unit 42, for the JavaScript object to be stored to target storage position, and is obtained for indicating
The address information of the target storage position, the target storage position is different from the special internal memories of JavaScript；
Second determining unit 43, for determining to be used to store the address information from the special internal memories of the JavaScript
First object heap memory, the remaining space of the first object heap memory is more than the size of the address information；
Memory cell 44, for the address information to be stored to the first object heap memory.
Optionally, second determining unit, including：
3rd determining unit, for determining in the special internal memories of the JavaScript with the presence or absence of remaining space not less than institute
State the heap memory of the size of address information；
4th determining unit, for if it is determined that there is remaining space in the special internal memories of the JavaScript not less than described
The heap memory of the size of address information, determines first object heap memory, described first from the special internal memories of the JavaScript
The remaining space of target heap memory is not less than the size of the address information；
Comparing unit, for if it is determined that remaining space is not present in the special internal memories of the JavaScript more than or equal to described
The heap memory of the size of address information, the size and the size of default heap memory of relatively more described address information；
When the first allocation unit, size for being not more than default heap memory when the size of the address information, from logical
With being the JavaScript one heap memory of special Memory Allocation in internal memory, the size of the heap memory distributed with it is described default
Heap memory size it is identical；
Second allocation unit, for when the size of the address information is more than the size of default heap memory, from general
It is the JavaScript one heap memory of special Memory Allocation in internal memory, the size of the heap memory distributed meets the address
The storage demand of information.
The embodiment of the present application provides a kind of JavaScript object storage device, by by the JavaScript object of determination
Store to target storage position (being different from the special internal memories of JavaScript), obtain the address for indicating target storage position and believe
Breath；The mode of first object heap memory and storage address information is determined from the special internal memories of JavaScript to be realized pair
The storage of JavaScript object, reduces the JavaScript object pair that JavaScript engine is produced in the process of running
The occupancy of the special internal memories of JavaScript, saves universal memory, improves the operational efficiency of digital TV middleware.
A kind of JavaScript object recovery method flow chart that Fig. 5 provides for the embodiment of the present application.
As shown in figure 5, this method includes：
S501, in the case where meeting JavaScript object recovery condition, from the special internal memories of JavaScript determine
Second target heap memory；
Optionally, meet JavaScript object and reclaim condition, including：Receive JavaScript object and reclaim request.
It is described in the case where meeting JavaScript object recovery condition, is determined from the special internal memories of JavaScript
Two target heap memories, including：Respond the JavaScript object received and reclaim request, reclaimed from the JavaScript object
Ask to determine the second target heap memory in the special internal memories of JavaScript indicated.
Optionally, target address information is not present in the second target heap memory, what the target address information was carried
Attribute information indicates that the JavaScript object stored in the target storage position that the target address information is indicated can not be returned
Receive.That is, the second target heap memory is determined in the described special internal memory from JavaScript, including：From the special internal memories of JavaScript
The attribute information that each address information in the second target heap memory of middle determination, the second target heap memory is carried is indicated
JavaScript object can be recovered.
Each address information in S502, release the second target heap memory, and the mesh that the address information is indicated
The JavaScript object stored in mark storage location.
Optionally, each address information in release the second target heap memory, and the address information refer to
The JavaScript object stored in the target storage position shown, including：Discharge in the second target heap memory each
Stored in the target storage position that each address information in location information, and release the second target heap memory is indicated
JavaScript object.
The embodiment of the present application provides a kind of JavaScript object recovery method, and the JavaScript is directed to by providing
The JavaScript object recovery method of object storage method, realizes the recovery to the special internal memories of JavaScript.
A kind of structural representation for JavaScript object retracting device that Fig. 6 provides for the embodiment of the present application.
As shown in fig. 6, the device includes：
5th determining unit 61, in the case where meeting JavaScript object recovery condition, from JavaScript
The second target heap memory is determined in special internal memory；
Releasing unit 62, for discharging each address information in the second target heap memory, and address letter
Cease the JavaScript object stored in the target storage position indicated.
The embodiment of the present application provides a kind of JavaScript object retracting device, and the JavaScript is directed to by providing
The JavaScript object retracting device of object storage method, realizes the recovery to the special internal memories of JavaScript.
The embodiment of each in the present invention is described by the way of progressive, and what each embodiment was stressed is and other realities
Apply the difference of example, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
Speech, because it is corresponded to the method disclosed in Example, so description is fairly simple, related part is referring to method part illustration
.
It the above is only the preferred embodiment of the present invention, make skilled artisans appreciate that or realizing of the invention.It is right
A variety of modifications of these embodiments will be apparent to one skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will not
Be intended to be limited to the embodiments shown herein, and be to fit to it is consistent with principles disclosed herein and features of novelty most
Wide scope.
Claims (10)
1. a kind of JavaScript object storage method, it is characterised in that including：
Determine the JavaScript object that JavaScript engine is produced during JavaScript scripts are handled；
The JavaScript object is stored to target storage position, and obtains the ground for indicating the target storage position
Location information, the target storage position is different from the special internal memories of JavaScript；
The first object heap memory for storing the address information, described are determined from the special internal memories of the JavaScript
The remaining space of one target heap memory is more than the size of the address information；
The address information is stored to the first object heap memory.
2. according to the method described in claim 1, it is characterised in that determine to use in the special internal memory from the JavaScript
In the first object heap memory for storing the address information, including：
Determine the heap with the presence or absence of remaining space not less than the size of the address information in the special internal memories of the JavaScript
Internal memory；
If it is determined that existing in the special internal memories of JavaScript in heap of the remaining space not less than the size of the address information
Deposit, first object heap memory, the remaining space of the first object heap memory are determined from the special internal memories of the JavaScript
Not less than the size of the address information；
If it is determined that remaining space is not present in the special internal memories of JavaScript more than or equal to the size of the address information
Heap memory, the size and the size of default heap memory of relatively more described address information；
It is described from universal memory when the size of the address information is not more than the size of default heap memory
JavaScript one heap memory of special Memory Allocation, the size of the heap memory distributed and the size of the default heap memory
It is identical；
It is the JavaScript from universal memory when the size of the address information is more than the size of default heap memory
Special one heap memory of Memory Allocation, the size of the heap memory distributed meets the storage demand of the address information.
3. method according to claim 2, it is characterised in that it is determined that whether being deposited in the special internal memories of the JavaScript
Before heap memory of the remaining space not less than the size of the address information, this method also includes：
Determine to whether there is heap memory in the special internal memories of the JavaScript；
If it is determined that heap memory is not present in the special internal memories of JavaScript, relatively the size of the address information with it is default
The size of heap memory；
It is described from universal memory when the size of the address information is not more than the size of default heap memory
JavaScript one heap memory of special Memory Allocation, the size of the heap memory distributed and the size of the default heap memory
It is identical；
It is the JavaScript from universal memory when the size of the address information is more than the size of default heap memory
Special one heap memory of Memory Allocation, the size of the heap memory distributed meets the storage demand of the address information；
The size for determining to be not less than the address information in the special internal memories of JavaScript with the presence or absence of remaining space
Heap memory, including：If it is determined that there is heap memory in the special internal memories of JavaScript, determine that the JavaScript is special
Heap memory in internal memory with the presence or absence of remaining space not less than the size of the address information.
4. method according to claim 3, it is characterised in that the address information carries attribute information, the attribute letter
Cease can be recovered for the JavaScript object for indicating to store in the target storage position that the address information is indicated/can not be by
Reclaim.
5. according to the method described in claim 1, it is characterised in that the target storage position is located in the universal memory.
6. a kind of JavaScript object storage device, it is characterised in that including：
First determining unit, is produced for determining JavaScript engine during JavaScript scripts are handled
JavaScript object；
Acquiring unit, for the JavaScript object to be stored to target storage position, and is obtained for indicating the mesh
The address information of storage location is marked, the target storage position is different from the special internal memories of JavaScript；
Second determining unit, for determined from the special internal memories of the JavaScript for store the address information first
Target heap memory, the remaining space of the first object heap memory is more than the size of the address information；
Memory cell, for the address information to be stored to the first object heap memory.
7. device according to claim 6, it is characterised in that second determining unit, including：
3rd determining unit, for determining in the special internal memories of the JavaScript with the presence or absence of remaining space not less than described
The heap memory of the size of location information；
4th determining unit, for if it is determined that there is remaining space in the special internal memories of the JavaScript not less than the address
The heap memory of the size of information, determines first object heap memory, the first object from the special internal memories of the JavaScript
The remaining space of heap memory is not less than the size of the address information；
Comparing unit, for if it is determined that remaining space is not present in the special internal memories of the JavaScript is more than or equal to the address
The heap memory of the size of information, the size and the size of default heap memory of relatively more described address information；
When the first allocation unit, size for being not more than default heap memory when the size of the address information, from general interior
It is the JavaScript one heap memory of special Memory Allocation, the size of the heap memory distributed and the default heap in depositing
The size of internal memory is identical；
Second allocation unit, for when the size of the address information is more than the size of default heap memory, from universal memory
In be the JavaScript one heap memory of special Memory Allocation, the size of the heap memory distributed meets the address information
Storage demand.
8. a kind of JavaScript object storage method based on as described in above-mentioned claim 1-5 any one
JavaScript object recovery method, it is characterised in that including：
In the case where meeting JavaScript object recovery condition, the second target heap is determined from the special internal memories of JavaScript
Internal memory；
Discharge each address information in the second target heap memory, and the target storage position that the address information is indicated
The JavaScript object of middle storage.
9. method according to claim 8, it is characterised in that destination address is not present in the second target heap memory and believes
Breath, the attribute information that the target address information is carried indicates to store in the target storage position that the target address information is indicated
JavaScript object can not be recovered.
10. a kind of JavaScript object retracting device, it is characterised in that including：
5th determining unit, it is special interior from JavaScript in the case where meeting JavaScript object recovery condition
Deposit the second target heap memory of middle determination；
Releasing unit, for discharging each address information in the second target heap memory, and the address information is indicated
Target storage position in the JavaScript object that stores.
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| CN107168887B (en) | 2020-09-04 |
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