JPH05158673A - Different-kind program generation device - Google Patents

Abstract

PURPOSE:To facilitate maintenance control over fixed program codes of a library, etc., of all information equipments which are used on a network required for generation as to the different-kind program generation device which is utilized for application program development in different-kind computer network environment. CONSTITUTION:This device is provided with a fixed program code storage part 15 stored with fixed program code parts, required for the generation program of all information equipments on the network, as program source codes by equipment kinds and versions and a stored information control part 16 which performs network-wide control over the storage part. Consequently, if the program codes of the library of a certain kind of equipment on the network needs to be altered or added, the program codes containing the updated fixed program codes can automatically be generated only by updating the program codes of the fixed program code storage part 15.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heterogeneous program generation device used for developing an application program in a heterogeneous computer network environment.

[0002]

2. Description of the Related Art In recent years, a heterogeneous program generator has been used as a stub generator or the like for realizing RPC (Remote Procedure Call) on a heterogeneous model. An example of such a heterogeneous program generator is the one by Phillips Bee Gibson (Philli
p B. Gibbons, "A Stub Generator for MultilanguagesR
PC in Heterogeneous Environments ", IEEE Transaction
s on Software Engineering, Vol.SE-13, No.1, pp.77-87,
Jun.1987), etc. are also known, and RP on different models
As an example of realizing C, one by Brain et al. (Brain
N. Bershad, Dennis T. Ching, Edward D. Lazowska, Jan
Sanislo, and Michael Schwartz, "A Remote Procedure C
all Facility for Interconnecting Heterogeneous Com
puter Systems ", IEEE Transactions on Software Engin
eering, Vol.SE-13, No.8, Aug.1987) is known.

A conventional heterogeneous program generator will be described below. FIG. 5 shows an overall configuration diagram of a conventional heterogeneous program generation device. In FIG. 5, 51
Is a generation parameter describing the RPC interface of the program to be generated. An analysis unit 52 analyzes the generated parameters and creates an analysis tree. Reference numeral 53 is an analysis tree created by the analysis unit. A language specification information storage unit 54 stores the language specification information of the model to be generated. 5
A data expression information storage unit 5 stores data expression information of the model to be generated. Reference numeral 56 denotes a program code generation unit that generates a program code that realizes the RPC interface requested by the generation parameter corresponding to the model, from the analyzed tree of the generated parameters analyzed, the language specification information of the model, and the data expression information. Reference numeral 57 is a generated program code for realizing the RPC interface of the designated model. Reference numeral 58 is a compiler of a corresponding model that compiles the generated RPC interface program code. 5
Reference numeral 9 is an object code of the RPC interface program compiled by the compiler 58.
Reference numeral 510 is an RPC execution library for executing RPC with a designated model. 511 is a compiled RPC interface program object code 59 and RP
The C execution library 510 is combined to generate the generation parameter 51.
It is an RPC execution program that realizes the RPC required by.

The operation of the heterogeneous program generating apparatus configured as described above will be described below. First, the analysis unit 52 reads and analyzes the generation parameter 51, and creates the parse tree 53. After that, the program code generation unit 56, based on the analyzed parse tree 53, uses the language specification information storage unit 53 and the data expression specification information storage unit 54 of the model specified at the time of execution to acquire the language specification information and the data expression of the model. The specification information is read and referred to, and the source code 57 of the program that realizes the RPC interface requested by the generation parameter 51 suitable for the model is generated and output. The source code 57 of the output RPC interface program is compiled by using a compiler 58 of a model that executes RPC to generate an object code 59 of the RPC interface program. This RPC interface object code 59
And the RPC execution library 510 of that model are combined to create an RPC execution program 511 that realizes the RPC function requested by the generation parameter executable by the specified model.

[0005]

However, in the above configuration, since it is necessary to have an RPC execution library that can be executed by a model in each machine, a change in the interface with the basic software such as the OS or communication software or a new function is required. Change the RPC library by adding,
It has to be reflected in the libraries on all information devices of the corresponding model, and there is a problem that it takes a lot of time for maintenance, including management when multiple versions of libraries exist in one machine. Was there.

The present invention solves the above-mentioned problems of the prior art, and provides a heterogeneous program generation device capable of easily maintaining and managing the execution library necessary for generating all the models used in the entire network. With the goal.

[0007]

In order to achieve this object, the present invention uses, as a program source code, a program code portion of all fixed information devices on a network required for a generation program such as an execution library. It is configured to include a model-specific fixed program code storage unit for storing in units of model and version, and a stored information management unit for managing the program code storage unit on a network-wide basis.

[0008]

According to the present invention, when the program code of the library of a certain model on the network is changed or added by the above configuration, the program code of the fixed program code storage section is simply changed or added to the network. It is possible to perform maintenance on all machines of the applicable model, and at the time of program code generation, the user is requested to the stored information management section that manages network-wide based on the model and version specified by the generation parameter. ,
By reading the source code of the corresponding execution library from the fixed program code storage unit and adding it to the generated program code, the program code including the updated library can be automatically generated. As described above, the maintenance and maintenance of the fixed program code such as the library used for the generated program code may be performed only for the program code stored in the fixed program code storage unit maintained and managed network-wide, Maintenance of fixed program code such as a library can be easily performed.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is an overall configuration diagram of a heterogeneous program generating apparatus for realizing RPC between different models according to an embodiment of the present invention. In FIG. 1, 11 is a generation parameter describing the RPC interface of a program to be generated, such as a procedure name, a data type to be transferred, a model name to be executed, and a library version number, and 12 is an analysis tree generated by reading and analyzing the generation parameter 11. An analysis unit, 13 is a parse tree after the generation parameter analysis, 14 is a variable part code whose program code content changes depending on the contents of the described RPC interface generation parameter 11 of all information devices on the network necessary for program generation Variable code generation information storage unit that stores language specification information etc. for each model, 1
Reference numeral 5 is a library for interfacing with different communication software depending on the model in order to realize RPC and performing control processing such as transmission and reception and buffer management processing, and data conversion of transmission / reception data and argument / result data suitable for data representation of the model A fixed program code storage unit in which the program source code of a fixed library such as a library is stored in units of model and version for all information devices on the network, and 16 is a variable code generation information storage unit 14.
And a storage information management unit for maintaining and managing the fixed program code storage unit 15 network-wide, and 17 a variable code generation information storage unit 1 based on the model specified by the generation parameter.
Variable code portion generation information data read from No. 4, 18
Is a program code generator that refers to the parse tree 13 and the variable code portion generation information data 17, refers to the program variable code portion and the model-specific fixed program code storage portion, and generates and outputs the program fixed code portion, and 19 is designated by a generation parameter. RP of the requested model that realizes the specified RPC
It is a C execution program source code.

Reference numeral 110 is a compiler of a corresponding model for compiling the generated RPC execution program source code 19. Reference numeral 111 is an R that realizes the RPC required by the generated parameters compiled by the compiler 110.
It is a PC execution program.

With respect to the heterogeneous program generating apparatus configured as described above, the operation of preprocessing will be described with reference to the flowchart shown in FIG. First, the analysis unit 12 reads 21 the generation parameter 11 and checks 22 the grammar of the generation parameter 11. Judge the result 23, if
If there is an error, an error message is output and the processing is stopped 29. If there is no error, the analysis result of the generation parameter is created as the analysis tree 13 24. The program code generator 18 creates a file for outputting the RPC execution program source code 19 25. Created parse tree 1
3, based on the model specified by the generation parameter 11, the storage information management unit 16 is requested for the variable code generation information of the corresponding model, and the storage information management unit 16 that has received the request The variable code generation information of the corresponding model is retrieved 26 from the variable code generation information storage unit 16 managed network-wide.

The result is judged 27, and if the information exists, it is created 28 as the variable code part generation information data 17 in the heterogeneous program generation device. If the requested model information does not exist, an error message is output and the process ends 29.

Next, the operation of the program code generation process will be described with reference to the flowchart shown in FIG. The program code generation unit 18 refers to the analytic tree 13 and the variable code unit generation information data 17 of the requested model, generates a variable code unit that realizes the requested RPC interface of the requested model 31, and creates the RPC execution program. Output 32 to the source code file 19. RPC requested
It is checked whether the generation of all variable code parts that realize the interface has been completed 33, and if not completed, 31 and 32
The process of is repeated. When finished, the program code generation unit 18 tells the stored information management unit 16 based on the model and version number specified by the generation parameter 11.
The stored information management unit 16 that requests the fixed program code of the corresponding model and version retrieves the fixed program code of the corresponding model and version from the fixed program code storage unit 15 that is managed network-wide. 34, judge the result 35. if,
If the fixed program code of the requested model and version does not exist, an error message is output and the processing ends 39.

If it exists, the program code generation unit 18 selects a program code necessary for realizing the RPC designated by the generation parameter 11 from the fixed program code 36, and the RPC execution program source code 19 is selected. Output 37 to the RPC execution program source code file 19 created as the fixed code part 37.
When the output of the fixed code parts of all the libraries required to execute the RPC requested by the generation parameter 11 is completed 38, the program code generation process is completed.

If the output of the fixed code parts of all the libraries is not completed, the process of 37 is repeated. The generated RPC execution program source code 19 is compiled by the compiler 110 of the applicable model, and the RPC execution program code 111 that realizes the RPC in the requested model is created.

FIG. 4 shows an example 41 of RPC interface generation parameters and the R on the client side for realizing the RPC generated by the heterogeneous program generation device 42.
Variable code part 4 of PC execution program source code 43
31 and the contents of the fixed code section 432 and the fixed program code storage section 44 are shown. The generation parameter 41 is the requested model M1, version number 1, RPC procedure name fu
naction1, argument data to be transmitted is arg1 and a
rg2, the result data to be received is arg3 and a return value, and the data types are float, int, float,
Specified as int.

The fixed program code storage unit 44 stores the program code of each model, and the program code of each model is stored in version units. The program code of the designated version 1 of the model M1 designated by the generation parameter 41 is indicated by the diagonal lines. The variable code portion 431 of the generated RPC execution program source code 43 is the RPC specified by the generation parameter 41.
The part where the procedure name function1 is called, the part that calls the float type RPC transmission data conversion library of the fixed code that converts the model-specific float type argument arg1 into the transmission data, and the model-specific int type argument arg
Fixed code int type RPC that converts 2 into transmission data
The part that calls the send data conversion library, the part that calls the fixed code RPC send library to request the RPC, the part that calls the fixed code RPC receive library to receive the RPC result, and specify the receive data with the generation parameter The fixed-code RPC receive data conversion library that converts the fixed-code RPC receive-data conversion library to convert to the model-specific float-type result arg3. It consists of the part that calls the library and the part that returns the result to the requesting application. On the other hand, the fixed code section 432 of the generated RPC execution program source code 43 retrieves the fixed program code of the model M1 and version 1 specified by the generation parameter from the fixed program code storage section 44 and reads the float type RPC transmission data. Conversion library, int type RPC transmission data conversion library, fl
Oat type RPC receive data conversion library, int type R
It comprises a PC reception data conversion library, an RPC transmission library, and an RPC reception library. These libraries of the fixed code section change the contents read from the fixed program code storage section 43 when the model or version changes, so the generated contents also change. Although the generated RPC execution program source code of this embodiment is shown as being written in C language, any other programming language may be used.

As described above, according to the present embodiment, the fixed program code storage for storing the program code portion of the execution library for realizing the RPC of all the models of the information equipment on the network as the program source code in the model and the version unit. Section and a storage information management section for managing this section in a network-wide manner, the program code of the RPC library is changed, or a new version of the program code is added, it exists in the fixed program code storage section. By updating the program code of the RPC library of the corresponding version of the model or adding the program code of the new version, the updated RP on all machines in the network
RPC execution program code including C library code can be generated.

[0020]

As described above, according to the present invention, a fixed program code portion required for a generation program such as an execution library for all models of information equipment on a network is stored as a program source code in units of model and version. By providing a fixed program code storage unit and a storage information management unit that manages this program network-wide, when a program code is changed or a new version of the program code is added, it is maintained and managed network-wide. Just by changing or adding the program code of the applicable version of the applicable model existing in this model-specific fixed program code storage,
It is possible to realize an excellent heterogeneous program generation device capable of automatically generating a program code using an updated fixed program code and easily performing maintenance of fixed program codes such as an execution library.

[Brief description of drawings]

FIG. 1 is an overall configuration diagram of a heterogeneous program generation device according to an embodiment of the present invention.

FIG. 2 is a flowchart showing a preprocessing operation of the heterogeneous program generation device according to the embodiment of the present invention.

FIG. 3 is a flowchart showing a program code generation processing operation of the heterogeneous program generation device in the embodiment.

FIG. 4 is an example diagram of a generation parameter and a generation program using the heterogeneous program generation device in the embodiment.

[FIG. 5] Overall configuration diagram of a conventional heterogeneous program generation device

[Explanation of symbols]

 11 generation parameter 12 analysis unit 13 analysis tree 14 variable code generation information storage unit 15 fixed program code storage unit 16 storage information management unit 17 variable unit code generation information data 18 program code generation unit 19 RPC execution program source code 110 compiler 111 RPC execution Program 21 Generation parameter reading process 22 Grammar check process 23 Check result inspection process 24 Analysis tree creation process 25 Program code output file creation process 26 Variable code generation information storage unit search process 27 Variable code generation information storage unit search result inspection process 28 Variable unit Code generation information data generation process 29 Error message output process 31 Variable code part generation process 32 Variable code part output process 33 Variable code part generation end inspection process 34 Fixed program code storage Search process 35 Fixed program code storage search result inspection process 36 Fixed code part selection process 37 Fixed code part output process 38 Fixed code part output end inspection process 39 Error message output process 41 Generation parameter 42 Heterogeneous program generation device 43 RPC execution program Source code 431 Variable code part 432 Fixed code part 44 Fixed program code storage part

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yoshihiko Suzuki 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Inventor Ivan Petch 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.

Claims (1)

[Claims] 1. An analysis unit that reads a generation parameter and analyzes it to generate an analysis tree, and stores information of all information devices on a network required for generating a program of a variable code unit that changes depending on the generation parameter of a generation program, for each model. A variable code generation information storage unit, a fixed program code storage unit that stores the program code of the fixed code unit that does not change according to the generation parameter of the generation program of all information devices on the network according to model and version, and the variable code generation A storage information management unit that maintains and manages the information storage unit and the fixed program code storage unit network-wide, and requests the storage information management unit using the model and version specified by the generation parameter to generate the variable code unit. The information of the model required for the variable code generation information Generates and outputs the variable code part of the read generation program from the storage unit, reads the fixed program code of the model and version required for generating the fixed code unit from the fixed program code storage unit, and generates the fixed code unit of the generation program And a heterogeneous program generation device having a program code generation unit for outputting.