JPH08286897A - Program editing device having hierarchical structure display function - Google Patents

Abstract

PURPOSE: To provide a program editing device displaying a source program hierarchically based on a structure analysis result such as each function and each procedure when the source program is displayed and edited. CONSTITUTION: The program editer used for editing such as generating and correction of a source program is provided with a structural processing section 5 extracting a call section such as a call function described in the source program and a procedure definition section to analyze the source program structurally, a management table 7 managing the position information obtained by the analysis, and a control section 4 controlling the entire editer so as to window-display the procedure definition section on request together with a source screen being displayed based on position information managed by the management table 7 when the source program is displayed and the display of the procedure definition section of a call function or the like is requested while designating a call section of any call function or the like being displayed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a program editing apparatus suitable for application to editing operations such as creation and modification of source programs, and more particularly to a window for calling portions such as calling functions and a procedure defining portion in a hierarchical manner. The present invention relates to a program editing device capable of dramatically improving the productivity of program development by displaying.

[0002]

2. Description of the Related Art Conventionally, when editing a source program with an editor or word processor, for example, when it is desired to see the definition section of a calling function or the like displayed on the screen, this function is defined. An operation such as finding the part in which it is found by searching or attaching a tag to the function definition position in advance and jumping using this tag has been performed.

[0003]

As described above, when editing a source program with an editor or word processor, it is desirable to see the definition part of the calling part such as the calling function displayed on the screen. In such a case, a part where this function is defined is found by searching, or a tag is attached to the function definition position in advance, and an operation such as jumping using this tag is performed.

However, these operations are very cumbersome operations and require advance preparations, which has been a cause of markedly reducing the productivity of program development.

The present invention has been made in view of the above circumstances, and in displaying and editing a source program,
An object of the present invention is to provide a program editing device having a hierarchical structure display function capable of improving the efficiency of source program editing work by analyzing the structure of each function and procedure and displaying them hierarchically. And

[0006]

According to the present invention, in a program editing device used for editing work such as creating and modifying a source program, a calling part such as a calling function described in the source program and a procedure defining part are provided. Means for extracting and structurally analyzing the source program, a management table for managing the position information of the procedure definition section obtained by this analysis, and one of the calling sections being displayed when the source program is displayed And means for displaying the requested procedure definition section in a window together with the original screen being displayed based on the position information managed by the management table when the procedure definition section is requested to be displayed. It is characterized by being done.

The present invention further comprises means for designating a plurality of files for storing the above source program,
The above source program consists of multiple files,
Even if the calling unit and the procedure definition unit are stored in different files, the calling unit and the procedure definition unit are displayed on the same screen.

Further, the present invention is characterized by further comprising means for dynamically updating the position information of the procedure definition section managed by the management table in accordance with the editing of the source program. .

[0009]

According to the structure of the present invention, the analyzing means extracts the calling portion such as the calling function described in the source program to be edited and the procedure defining portion and structurally analyzes the source program. Then, the position information of these procedure definition parts obtained by this analysis is managed by the management table. As the position information, pointers indicating the position in the file of each procedure definition part and the position in the buffer are managed.

Further, when the source program to be edited is being displayed, one of the calling parts existing in the displayed screen is designated, and when the display of the procedure definition part of the calling part is requested, it is displayed. The means obtains the storage location of the procedure definition section from the position information managed by the management table, and displays the procedure definition section in a window together with the original screen being displayed.

With this, the operator can display the caller's description part and the called side's procedure description part in the same screen by only performing a simple operation, which dramatically improves the productivity of program development. It is possible to improve.

Further, according to the structure of the present invention, for example, when a large program having a considerable number of total steps is to be edited, and the source program is stored in a plurality of files. In such a case, the specifying means specifies each of the plurality of files. Then, the analysis means analyzes according to this designation, and the management table manages the position information over a plurality of files.

As a result, while the source program stored in one of the files is being displayed, even when the display of the procedure definition section of the calling section contained in another file is requested, the same display as described above is displayed. Can be realized.

Further, according to the structure of the present invention, the updating means dynamically updates the position information of each procedure definition part such as a calling function managed in the management table in accordance with the editing of the source program. That is, even when the storage location of the file is changed by the editing work of the source program, it is possible to provide a desired display without any influence.

[0015]

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a block diagram showing a schematic configuration of the program editing device according to the embodiment.

As shown in FIG. 1, the program editing apparatus 1 according to the embodiment has an input unit 2, a display unit 3, a control unit 4, a structuring processing unit 5, a management table changing unit 6, a management table 7, and a buffer. It comprises a deletion generator and a buffer 9.

The input unit 2 is for inputting an operator's instruction through a keyboard, a mouse or the like, and the display unit 3 is for displaying the source program to be edited as desired by the operator. . The control unit 4 controls the entire program editing device 1.

The structuring unit 5 detects the calling function described in the source program to be edited and structurally analyzes the calling function. Then, the position information of each function obtained from the analysis result, for example, a pointer indicating the storage area of each function is stored in the management table 7. Further, the management table changing unit 6 updates the position information of each function stored in the management table according to the change of the storage position in the file accompanying the editing work of the source program.

The buffer deletion generation unit 8 deletes the function held in the buffer when the worker deletes the function, and deletes the function stored in the buffer when the new function is created. An area for holding a function is secured and this function is held in that area. Also, the buffer 9 is
The actual data in which the definition part of each function is described is hierarchically held for each function. Display unit 3 described above
Displays the data stored in the buffer 9.

Next, the structure of the management table will be described with reference to FIG. FIG. 2 is a conceptual diagram illustrating the configuration of the management table according to the embodiment. As shown in FIG. 2, the management table according to the embodiment holds a function name of each function, a file name, and a pointer indicating the position in the buffer where the function is held.

The files indicated by this file name do not have to be the same file. Further, the files may be arranged on different storage devices. These are held based on the file name specified by the operator via the input unit 2. Further, the position information is initialized by the structuring processing unit 5, and the management table changing unit 6 changes the position information after the editing work.

Next, the operating principle of this embodiment will be described with reference to FIG. FIG. 3 is a conceptual diagram for explaining the operating principle of the embodiment. Now, when the worker is editing the source program by displaying the main block in the main window 11a, the mai in this display is displayed.
When the operator wants to refer to the definition part of the calling part of the max function 12 described in the n-block, the operator specifies the max function 12 to specify the max function 12
Request the display of the definition part of. This designation may be performed with a pointing device such as a mouse, or may be input with a keyboard.

The program editing device 1 according to the embodiment is
When the request to refer to the definition portion of the max function 12 is received via the input unit 2, the management table 7 is referred to, and the position information indicating the area in the buffer 9 in which the actual data of the definition portion of the max function 12 is held. Is acquired and the data held in this area is presented at a desired display location. The display location and screen size are also designated by the operator via the input unit 2.

Thus, the operator can display the caller's description location and the called procedure description location on the same screen by only performing a simple operation. Next, the operation procedure of the embodiment will be referred to with reference to FIGS.

FIG. 4 is a flow chart for explaining an operation procedure at the time of starting work of the program editing apparatus according to the embodiment. The operator first specifies the source program name and file name to be edited by operating the keyboard or the like (step A1 in FIG. 4). This designation is captured by the program editing device 1 via the input unit 2. Here, the control unit 4 determines whether or not the management table 7 has been created for this source program to be edited (step A2 in FIG. 4), and if it has been created (in step A2 in FIG. 4). Y), the management table 7 is searched (step A3 in FIG. 4). Then, the buffer deletion generator 8 hierarchically expands the actual data in the buffer 9 based on the management table 7 (step A4 in FIG. 4).
At this time, the position information in the buffer is stored in the management table 7
To reflect.

On the other hand, when the management data 7 has not been created (N in step A2 of FIG. 4), the structuring processing unit 5
The function described in the source file file to be edited is detected and structural analysis is performed (step A in FIG. 4).
5), create the management table 7 (step A in FIG. 4)
6).

Then, the buffer deletion generator 8 hierarchically expands the actual data in the buffer 9 based on the newly created management table 7 (step A7 in FIG. 4). Also at this time, the position information in the buffer is reflected in the management table 7 in the same manner as described above.

FIG. 5 is a flow chart for explaining the operation procedure during the editing work of the program editing apparatus according to the embodiment. It is always possible that the hierarchical structure of the source program is changed by the editing work of the operator. Therefore, the program editing device 1 according to the embodiment recognizes the change in the structure (step B1 in FIG. 5),
When the structure is changed (Y in step B1 in FIG. 5), the management table changing unit 6 corrects the management table 7 (step B2 in FIG. 5), and along with this, the buffer deletion generating unit. The buffer area is secured and released by 8 (step B3 in FIG. 5).

It should be noted that these may be either an immediate process synchronized with the editing work by the operator or a batch process at the end of the editing work. FIG. 6 is a flow chart for explaining the operation procedure of the display processing of the program editing apparatus according to the embodiment.

The program editing device 1 according to the embodiment is
When a display request for a definition part such as a calling function described in the displayed source program is received via the input part 2,
By referring to the management table 7, the position information in the buffer holding the actual data of this definition part is acquired (step C1 in FIG. 5).

Then, the source program, which is the actual data of the definition part of the function held in the area indicated by the position information, is presented to the worker by the display part 3 (step C2 in FIG. 5). As described above, the worker can display the description part of the caller and the procedure description part of the called side in the same screen only by performing a simple operation.

[0032]

As described above in detail, according to the present invention, the operator displays the caller's description part and the called side's procedure description part on the same screen by only performing a simple operation. be able to. That is, according to the present invention, it is possible to provide the worker with an efficient work environment, and it is possible to dramatically improve the productivity of program development.

[Brief description of drawings]

FIG. 1 is a block diagram showing a schematic configuration of a program editing device according to an embodiment of the present invention.

FIG. 2 is a conceptual diagram illustrating a configuration of a management table according to an embodiment of the present invention.

FIG. 3 is a conceptual diagram for explaining the operation principle of the embodiment of the present invention.

FIG. 4 is a flowchart for explaining an operation procedure at the time of starting work of the program editing device according to the embodiment of the present invention.

FIG. 5 is a flowchart for explaining an operation procedure during the editing work of the program editing apparatus according to the embodiment of the present invention.

FIG. 6 is a flowchart for explaining an operation procedure of a display process of the program editing device according to the embodiment of the present invention.

[Explanation of symbols]

1 ... Program editing device, 2 ... Input unit, 3 ... Display unit, 4
... control unit, 5 ... structured processing unit, 6 ... management table changing unit, 7 ... management table, 8 ... buffer deletion generating unit, 9 ...
Buffer, 11a, 11b ... Window display screen, 12
… Call function.

Claims (3)

[Claims] 1. A program editing apparatus used for editing work such as creation and modification of a source program, wherein a calling part such as a calling function described in the source program and a procedure definition part are extracted to structure the source program. Means for automatically analyzing, a management table for managing the position information of the procedure definition part obtained by this analysis, and when the source program is displayed, one of the calling parts being displayed is designated and the procedure definition part is designated. And a means for displaying the requested procedure definition section in a window together with the original screen being displayed on the basis of the position information managed by the management table. A program editing device having a hierarchical structure display function. 2. A means for designating a plurality of files for storing the source program, wherein the source program is composed of a plurality of files, and the calling part and its procedure definition part are stored in different files. The program editing apparatus having a hierarchical structure display function according to claim 1, wherein the calling unit and the procedure defining unit are displayed on the same screen even in the case. 3. The apparatus further comprises means for dynamically updating position information of the procedure defining section managed by the management table in association with the editing work of the source program. A program editing device having the described hierarchical structure display function.