JPH07230379A - Method and device for display of program structure - Google Patents

Abstract

PURPOSE:To improve the operability with respect to the method and the device for program structure display which display the structure of data of a source program. CONSTITUTION:This system is provided with a source program, analysis part 11 which analyzes the inputted source program, an analysis data extracting and processing part 12 which extracts information required for display of the structure of the program as a structure diagram from the analysis result and generates a record having hierarchical information with respect to each item, a record holding part 13, a display part settling part 14 which obtains a display item, a display position discriminating part 14' which discriminates an item in accordance with a position on the picture, and a layout generating part 15 which generates the structure diagram to be displayed. An item designated by the structure diagram on the picture is discriminated, and the record holding part 13 is retrieved in accordance with the designated item, and records in the hierarchy higher or lower than the item are obtained, and the structure diagram is laid out and displayed in accordance with the hierarchical structure of records.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a program structure display method and a program structure display device for displaying a data structure described in a source program on a display.

Some data handled by the source program include
Some have a structure. Conventionally, in order to understand the data structure, each program user understands the structure by decoding it by himself or by displaying the structure on a display with a structure analysis program.

[0003]

2. Description of the Related Art A data structure of a source program (hereinafter,
In the case of displaying (referred to simply as a data structure) as a structure diagram, if the amount of data is large, the entire display screen may not be displayed.

FIG. 19 is an explanatory view of a display method of a conventional source program structure display device. In FIG. 19, 20
Reference numeral 0 is a display screen, which is the display screen of the display.

Reference numeral 210 is a display area for displaying the data structure of the source program. 211 is a data structure of the source program.

In the data structure 211 of the source program, 220 is a level, which indicates the level of the hierarchical structure. An item display area 221 is a display area for the level 1 item "SUMMER".

Level 2 items are "JUNE", "JUL"
"Y" and "AUGUST". Level 3 items are "F
IRST ”,“ MIDDLE ”, and“ LAST ”.
The items of level 4 are “L4-1” and “L4-2”.

Level 5 items are "L5-1", "L5-"
2 ". FIG. 19 shows a case where only three levels are displayed, and only the levels 1 to 3 of the data structure formed by the levels 1 to 5 are displayed. Level 4 and level 5 are not displayed on the screen, but level 4 and level 5 are scrolled and displayed on the screen.

[0009]

The conventional source program structure display device cannot display the entire data structure when the data structure is large, but displays only a part of the data structure. Then, in order to display the part which is not displayed on the screen, it is done by scrolling.

Further, in the conventional source program structure display device, when trying to display the entire data structure, each item becomes small and difficult to see, or when the target item is displayed near the edge of the screen, It was difficult to use because it needed to be moved.

It is an object of the present invention to provide a structural drawing display method and a structural drawing display device with good operability.

[0012]

According to the present invention, when a data structure described in a program is displayed on a display, each rectangle representing an item of a structure diagram displayed on the display corresponds to which item in the data structure. It is possible to determine whether or not they correspond, and by using the structure diagram display, the partial structure of the data structure can be displayed, and by designating the item position on the structure diagram, the lower structure can be displayed on the screen. .
In addition, when referencing the upper structure, the structure above the specified item position is displayed on the screen. further,
You can now display detailed data of items, search for required items, change the displayed hierarchy, and display multiple structure diagrams as needed.

FIG. 1 shows the basic configuration of the present invention. Reference numeral 1 is a program data structure display / editing apparatus. Reference numeral 2 is a source program input means, which is a means for inputting a source program such as a magnetic disk device storing the source program.

A data processing means 3 analyzes the source program and displays a structural diagram of the data obtained by the analysis on the display means. 4 is a display means,
It is a display or the like for displaying a structural drawing.

Reference numeral 5 is an input means, which is a keyboard, a mouse or the like for inputting commands and the like. In the data processing means 3, 10 is a source program.

Reference numeral 11 denotes a source program analysis unit,
The semantic analysis and the structural analysis of the source program 10 are performed. Reference numeral 12 is an analysis data extraction / processing unit, which extracts and processes the data necessary for creating the record layout necessary for displaying the structural diagram and the detailed data on the display means from the analysis result of the source program. is there.

A record holding unit 13 holds the contents of the records of the items extracted by the analysis data extraction processing unit. Reference numeral 14 denotes a display portion confirmation unit, which confirms items, the number of display layers, IDs, display contents, etc. based on input data (input command etc.) of the user.

Reference numeral 14 'is a display position determination unit, which has correspondence data between the layout position and the item determined by the layout creation unit and determines the correspondence between the area on the screen and the item.

Reference numeral 15 denotes a layout creating unit which performs a display layout of records according to the contents determined by the display portion determining unit 14. Reference numeral 16 is a command determination unit, which determines an input command. 1
Reference numeral 7 denotes a cursor position, which is the cursor position displayed on the display means 4.

Reference numeral 18 denotes a cursor position determination unit, which determines the designated cursor position. A search unit 19 searches for items according to the input search items.

Reference numeral 20 denotes an editing unit, which changes the contents of the source program by changing the structural diagram displayed on the display means 4. Reference numeral 21 is a conversion unit for converting the structural diagram into a source program having the content represented by the structure when the structural diagram displayed on the display means 4 is changed.

[0022]

The operation of the basic configuration of the present invention shown in FIG. 1 will be described with reference to FIG. In FIG. 2, 30 is a source program. Is item 1 of the source program (level 1). Is item 2, and is in the next layer (level 2) from item 1. Is item 3 and item 2
Is in the next level (level 3) of. Is item 4
And is in the next level (level 2) of.

Reference numeral 31 represents the contents of the record, and each item is composed of an item name, an ID and a parent ID, a size (number of digits), and the like. For example, the item name for the item of the source program 30 is item 1, the ID is 1, and there is no parent ID, so it is 0.
In addition, the size of the data (number of digits, etc.) depends on the source program 3.
It is extracted from 0. The item name of the item is item name 2,
The ID is 2, and the parent is ID1 (item 1). The size of the data is also extracted. The item name of the item is item 3, and I
D is 3, and the parent is ID2. The size of the data is extracted. The item name of the item is item 4, the ID is 4, and the parent is I.
It is D1.

Reference numeral 32 is a data structure diagram showing the data structure of the source program 30 on the display means. The data structure of each item displayed in a rectangle is illustrated by a combination of rectangles.

Reference numeral 33 shows an operation for displaying a lower item on the display means when only two lines (two levels) are displayed. 34 is a structural diagram displayed on the display means,
The state where level 1 and level 2 are displayed is shown.

34 'is a cursor. Reference numeral 35 is a structural diagram displayed on the display means, and shows a state in which level 2 and level 3 are displayed as a result of the level 2 being designated by the cursor 34 'in the structural diagram 34.

Reference numeral 36 shows the operation when the upper item is displayed on the display means when only two lines (two levels) are displayed. 37 is a structural diagram displayed on the display means,
The state where level 2 and level 3 are displayed is shown.

37 'is a cursor. 38 is a structural diagram displayed on the display means, and shows a state in which level 1 and level 2 are displayed as a result of the level 2 being designated by the cursor 37 'in the structural diagram 37.

Next, the operation of the basic configuration of the present invention shown in FIG. 1 will be described (refer to FIG. 2 as necessary). The source program 2 is input from the source program input means 2 and held in the data processing means 3. Source program analysis unit 1
In 1, the semantic analysis and structural analysis are performed. The analysis data extraction processing unit 12 extracts the data necessary for creating the record layout from the analysis result of the source program and processes it. The extracted processed data is held in the item record holding unit 13.

The display part finalizing unit 14 finalizes the top item to be displayed, the display hierarchy, the display ID, and the display method based on the input data (input command etc.) of the user. Next, a case where a command for displaying a lower layer and a case where a command for displaying a higher layer is input will be described with reference to FIG.

(1) When a command for displaying the lower layer is input The command determination unit 16 determines that the command is for displaying the lower layer. On the other hand, the display position determination unit 14 '
Determines the ID of the rectangle at the cursor position designated by the designated cursor position on the display screen of the display means 4, and displays the record IDs of the layers below the ID designated by the cursor from the record holding unit 13 for the display layer. Just take it out.

Then, the layout creating section 15 lays out the structural diagram of the record to be displayed, and the display means 4 displays the structural diagram. The operation will be described with reference to FIG. 2. The display position determination unit 14 ′ determines that the item area corresponding to the position of the cursor 34 ′ in the displayed structure diagram 34 is ID2.
It is determined that the area is a rectangular area. Further, since the input command is a command for displaying the lower item, the record of the item of level 3 is taken out from the record holding unit 13 of the item. Then, the layout creating unit 15 lays out the structural diagrams of the level 2 record and the level 3 record. The display means 4 displays the structural drawing 35.

(2) When a command for displaying the upper layer is input The command determination unit 16 determines that a command for displaying the upper layer has been input. On the other hand, the display position determination unit 14 ′ determines the ID of the rectangle including the cursor position designated on the display screen of the display unit 4, and the display portion determination unit 14 stores the record holding unit 13 and the layers above the ID. The IDs of the records of are extracted for the display layer.

Then, the layout creating section 15 uses the ID
The structure diagram of the record is laid out, and the display means 4 displays the structure diagram. The operation will be described with reference to FIG. In the displayed structure diagram 37, the display position determination unit 14 'determines that the position is in the rectangular area of ID2 from the position of the cursor 37', and obtains the ID of the item. Then, the record of the item of level 1 is taken out from the item record holding unit 13. Then, the layout creating unit 15 lays out the structural diagrams of the level 1 record and the level 2 record.
The display means 4 displays the structural drawing 35.

Further, when the search command and the search item are input by the input means 5, the search section 19 displays the ID of the search item.
Is requested and notified to the display portion confirmation unit 14. The display part determination unit obtains the ID of the search item and the ID of the display layer lower than or higher than that. Layout creation unit 15
Creates and displays the layout of those records.
At this time, the search item should be displayed in reverse video so that it can be distinguished from other items.

When an edit command is input, the edit mode is entered, the editing section 20 is activated, and the structure diagram displayed on the display means 4 can be edited. The display position determination unit 14 ′ determines the rectangular area including the cursor position 17 for designating the structural diagram of the display means 4,
Find the ID. The editing unit 20 inserts and deletes the structure diagram,
Add a rectangle to the cursor position according to commands such as copy / move, input data, delete the ID of the rectangle specified by the cursor, copy / move the rectangle at the position specified by Kasul to the specified position Perform processing such as The conversion unit 21 converts the source program 10 represented by the structure according to the structure diagram thus edited.

Alternatively, when the detailed data of the item is held and a command for instructing the detailed data is input, the display part confirming unit 14 takes out the detailed data of the specified item, and the layout creating unit determines the display layout. It is created and displayed on the display means 4. In addition, when a plurality of structural diagram display commands are input so that a plurality of structural diagrams can be displayed, the display part confirmation unit 14 obtains higher or lower IDs of a plurality of designated levels from the item record holding unit 13, The layout creating unit 15 can create layouts of the respective structural diagrams and display them on the display means 4.

Further, with the above configuration, it is possible to change the presence or absence of the display of the item value, the number of digits, etc., determine the display color, and reduce or enlarge the display. According to the present invention, the data structure in the program can be displayed on the screen with good operability, and the program can be edited based on the displayed structure diagram. You can also search
It is possible to easily display detailed data of designated items.

[0039]

FIG. 3 shows an embodiment of the system configuration of the present invention. In FIG. 3, 50 is an input means.

Reference numeral 51 is a keyboard. 52 is a mouse. Reference numeral 53 is a display, which is a display means.

Reference numeral 54 denotes a data processing means, which is the CPU 5
5 and the main memory 56. 55 is C
It is PU.

Reference numeral 56 is a main memory. Reference numeral 57 denotes a source program, which is a source program loaded in the main memory 56 and subjected to structural analysis.

Reference numeral 58 denotes a program structure analysis / editing program, which performs a process of displaying on the display 53 the structure diagram obtained by the semantic analysis of the source program 57 and the data structure analysis.

A magnetic disk device 59 stores the source program 57. Reference numeral 60 is a source program.

Reference numeral 61 is a magnetic disk device. 62 is a program structure analysis editing program. FIG. 4 shows the configuration of an embodiment of the present invention.

FIG. 4 shows the configuration of an embodiment of the present invention. In FIG. 4, reference numeral 51 is a keyboard.

52 is a mouse. 53 is a display. 53 'is a Casole position.

Reference numeral 54 is a data processing means. 59 'is a source program input means. In the data processing means 54, 57 is a source program, which is an input source program.

Reference numeral 70 is a source program analysis unit. 7
Reference numeral 1 is an analysis data extraction processing unit. Reference numeral 72 denotes a process of assigning an ID.

Reference numeral 73 is a process for assigning a parent ID. Reference numeral 74 represents a process for obtaining the digit number of an item. Reference numeral 75 is a display portion confirmation unit.

Reference numeral 75 'is a display position determination unit, which is provided with the correspondence data of the rectangle coordinates created by the layout creation unit 78 and the items associated with the rectangle, and displays the item name or ID for the specified rectangle on the screen. It is a judgment.

Reference numeral 76 is an item record holding unit. 77
Is a detailed data holding unit, which holds detailed data of items. The detailed data is associated with the item name or ID. Alternatively, a parameter may be added to the analysis result of the source program analysis unit and the parameter may be associated with the item name or the item ID.

Reference numeral 78 is a layout creating section. Reference numeral 79 is a search unit. Reference numeral 80 is a command determination unit.

Reference numeral 81 is a cursor position determination unit. Reference numeral 82 is an editing unit. Reference numeral 83 is an addition (insertion) process.

Reference numeral 84 is a deletion process. Reference numeral 85 is a copy / move process. The operation of each part of the configuration of FIG. 4 is the same as the operation of each corresponding part of the basic configuration of the present invention of FIG.

FIG. 5 shows an example of a source program and an example of a record. In FIG. 5, 90 is a source program, which represents a portion of data described in the COBOL language.

Level 1 is "SUMMER". Level 2 is "JUNE", "JULY PIC X"
(9). "," AUGUST PIC 9 (10). "
(PIC (9) defines a 9-digit character area).

Level 3 is "FIRST", "MIDDL"
E PIC X (6). , "LAST PIC 9
(5). 99. (PIC9 (5) .99 defines a 5-digit numerical area including a 2-digit decimal point).

Level 4 includes "L4-1", "L4-2"
PIC X (4). It is. Level 5 is "L5-
1 PIC X. , "L5-2 PIC XX.".

Reference numeral 91 is a record, which is created by analyzing the source program 90 and processing it. ID1 and parent ID0 are given to "SUMMER", and the digit number 40 is extracted.

For "FIRST", ID3, parent I
The number of digits 7 is extracted by adding D2. "L4-
For "1", ID4 and parent ID3 are given and the digit number 3 is extracted.

For "L5-1", ID5, parent ID
4 is added and the digit number 1 is extracted. "L5-
For “2”, ID6 and parent ID4 are given and the digit number 2 is extracted.

For "L4-2", ID7, parent ID
3 is added and the digit number 4 is extracted. "LAS
For “T”, ID 9 and parent ID 2 are given and the digit number 8 is extracted.

For "JULY", ID10, parent I
The number of digits 9 is extracted by adding D1. "AUG
For “UST”, ID 11 and parent ID 1 are given and the number of digits 10 is extracted.

A method of creating the record 91 of FIG. 5 will be described with reference to FIG. The source program analysis unit 70 analyzes the source program 90 (FIG. 5),
Find the parent-child relationship of data (items). The analysis data extraction processing unit 71 uses the data of the source program 90, “SU
IDs are given to “MMER”, “JUNE”, etc., and parent IDs are given based on the parent-child relationship. Further, the size of the data is obtained from the description of the source program 90, and the record 91 is created. The created record 91 is held in the item record holding unit 76.

FIG. 6 is a flow chart of the analysis data extracting / processing unit of the present invention. The flowchart will be described according to the numbers shown. S1 Analysis data extraction processing is started (the extracted data has ID 2 and its parent ID is 1).

S2 The item name is stored in the processed data area. S3 ID1 is stored as the parent ID of the processed data. S4 ID2 is stored as the ID of the processed data.

S5 The digit number information is acquired from the analysis data and stored as the digit number of the processed data. S6 Acquire the presence or absence of an item at a level lower than oneself from the analysis data. S7
Determine if there is an item that includes yourself. If so, proceed to S8,
If not, proceed to S9.

S8: Analysis data extraction processing is performed on the extracted lower data. That is, I of the extracted data
Let D be ID 2 + 1 and the parent ID be 2. S9 Acquire the presence or absence of the item of the same level as yourself from the analysis data.

S10 It is determined whether there is an item of the same level as oneself. If so, the process proceeds to S11, and if not, the process ends. S11 ID for the extracted data of the same level
2 + 1 is added and the parent ID is set to 2 (when S9 is N, it means that when S9 is Y, 1 is added to the ID and the previous ID becomes the parent ID).

In FIG. 4, when displaying the structural drawing, the display part determining unit 75 and the display position determining unit 75 'obtain the information on the top item to be displayed, the number of layers to be displayed, and the display method of the structural drawing. Then, the layout creating unit 78
Examines the size of each rectangle, the title displayed in the rectangle, and the relationship between the rectangles from the processed data, and lays out a structure diagram that matches the data structure of the record.

The layout is created by determining the positions of the upper and lower rectangles by the ID and the parent ID. In the example of FIG. 5, I
Under the SUMMER rectangle of D1, J whose parent ID is 1
UNE (ID = 2), JULY (ID = 10) and AUG
Locate the UST (ID = 11) rectangle. Furthermore, I
The parent ID is 2 under the JULY rectangle where D = 2.
Position FIRST, MIDLLE, and LAST. In this way, the vertical relationship of the rectangles is determined.

An example of the structural diagram of the present invention and an example of its display method will be described with reference to FIG. FIG. 7A is a structural diagram displayed on the display. In FIGS. 7A, 7B, and 7C, 53 is a display.

100 is a level. 101, 115,
116 and 117 are structural drawings. 110 is a rectangle, which is a rectangle of the item name SUMMER.

Reference numeral 111 is a cursor. Reference numeral 118 denotes a menu display, which displays the item names of the upper hierarchy that are not displayed. In the case of the figure, the upper SU of FIRST
MMER and JUNE are displayed on the menu.

FIG. 7 (a) shows the structure diagram of only the three highest layers. From Fig. 7 (a), when displaying the hierarchy below JUNE, move the cursor to JUNE as shown.
By inputting the lower layer display command by clicking on the rectangle with the mouse, as shown in Fig. 7 (b),
A structure diagram of the lower hierarchy of JUNE is displayed.

Similarly, when the upper hierarchy is displayed, for example, when the FIRST 116 is designated by the cursor in FIG. 7 (c), a structure diagram higher than the structure diagram 101 in FIG. 7 (a) is displayed on the display 53. It Alternatively, as shown in FIG. 7 (c), the upper layer not displayed is displayed on the menu 1
18 is displayed. Then, the upper layer is displayed on the menu 11
When specified on item 8, the data structure is displayed. For example, if JUNE is specified, the display portion confirmation unit 75 (see FIG.
Recognizes that the specified data is JUNE, obtains the IDs of layers below it, and the layout creating unit 7
8 (FIG. 4) displays the structural drawing 117 of JUNE.

FIG. 8 shows a method of displaying detailed data. In FIG. 8, 100 is a level. 120 is a structural drawing. 121 is the designated item. Reference numeral 122 is a detailed information display, which is detailed information of the designated item 121.

When the detailed information display command is input, the display portion determination unit 75 (FIG. 4) receives the ID of the detailed data for the item designated by the display position determination unit 75 'and obtains the detailed information. Detailed information is obtained from the parameters associated with the ID. The layout creating section 78 lays out the detailed information according to the ID or the parameter, and displays the detailed information display 122 on the display.

FIG. 9 shows the process of changing the number of display layers. Figure 9
In the figure, 100 is a level, and 125 is a structural diagram of a three-level display. Reference numeral 126 is a structural diagram of a 5-level display.

When the command for changing the layer display and the number of layers after the change are input, the display part confirming section 75 (see FIG. 4) displays the top data (SUMMER in the case of the figure) and the display layer after the change. ID to be displayed after change based on
Ask for. Then, the layout creating unit 78 creates the display layout of the changed record, and the structure diagram 126 of FIG.
Is displayed.

FIG. 10A shows whether or not a value / digit number is displayed. In FIG. 10A, 100 is a level display. Reference numeral 128 is a structural diagram, which is the case where the picture clause column is not displayed. 129 is a structural drawing, p
This is the case of displaying the picture clause column.

When a command for changing the presence / absence of display of a value / number of digits is input, the display part confirmation unit 75 (see FIG. 4) displays a pictu for the displayed structure diagram 128.
Obtain the data ID or parameter of the re clause. The layout creating unit 78 (FIG. 4) creates and displays the structural diagram 129 including the picture phrase column 130 based on the ID or the parameter. If the value / digit number is displayed and you want to change it, delete the displayed column.

FIG. 10B shows a display of a plurality of structural drawings.
In FIG. 10B, 53 is a display. 10
0 is the level. Reference numeral 132 is a structural diagram. FIG. 133 is a structural drawing.

Both the structural diagrams 132 and 133 are displayed in three layers from level 2 but have different contents. Due to the command input for displaying a plurality of structural drawings and the input of the display items JUNE and OTHER, the display portion confirmation unit 75 (FIG. 4) displays a plurality of structural drawings (two in the figure).
Is recognized and the top data (level 2 JUNE
And OTHER) and IDs of layers lower than that are searched for in the record holding unit 76 of the item. Then, the layout creating section 78 creates a display layout of the record with the ID and displays it on the display 53.

FIG. 11, FIG. 12, FIG. 13, and FIG. 14 are flowcharts of the display portion determination unit and the display position determination unit. FIG. 11 is a flowchart of the display part confirming unit of the present invention, which is a flowchart of a part for allocating processing based on each command.

S1, S2 It is determined whether the record display or the detailed display is displayed. If it is a record display, proceed to S3. If you want to display details, go to. S3, S4 Determine whether it is a lower display command. If it is a lower display command, go to step S5.
Proceed to.

S5, S6 It is determined whether the command is a higher order command. If it is a high-order command, the process proceeds to step S7, and if it is not a high-order command, the process proceeds to step S7. S7, S8 It is judged whether it is a multi-layer display command. If it is a multi-layer display command, the process proceeds to step S9.

S9, S10 It is determined whether the command is a display hierarchy change command. If it is the display hierarchy change command, the process proceeds to step S11. If it is not the display hierarchy change command, the process proceeds to step S11.
S11, S12 It is determined whether the value / digit number display is changed.
If the presence / absence of the value / digit number display is changed, the process proceeds to S12, and if not, the process ends.

FIG. 12 (a) is a flow chart for displaying subordinate items in the display portion confirming portion and the display position determining portion. S1 A rectangle including the acquired coordinates is obtained (leading ID is obtained).

S2 The item name of the rectangular ID of the search result is obtained (this process can be omitted if the ID can be searched). S3: Lower IDs than the first ID are obtained by the number of display reher.

FIG. 12 (b) is a flowchart for displaying the upper items of the display part confirmation section and the display position determination section. S1 A rectangle including the acquired coordinates is obtained (leading ID is obtained).

S2 The item name of the rectangular ID of the search result is obtained (this processing can be omitted if the ID can be searched). S3: IDs higher than the top ID are obtained by the number of display levels.

FIG. 13 (a) is a flow chart of a plurality of displays of the display part confirmation section and the display position determination section. S1 The ID of the top rectangle (top ID) of the structural diagram to be displayed is obtained.

S2: IDs higher or lower than each head ID are obtained by the number of display levels. FIG. 13B is a flow chart for changing the number of display levels of the display portion confirmation unit and the display position determination unit.

S1 The top ID to be displayed is obtained. S2: IDs corresponding to the number of changed display levels lower or higher than the head ID are obtained.

FIG. 14 (a) is a flow chart for displaying detailed information of the display part confirmation section and the display position determination section. S1 A rectangle including the acquired coordinates is obtained (the ID of the designated rectangle is obtained).

S2 Detailed information corresponding to the ID (or parameter) of the search result is obtained. FIG. 14 (b) is a flowchart of the display part confirmation unit and the display position determination unit for changing the display of the value / number of digits.

S1 A rectangle containing the acquired coordinates is obtained (the ID of the designated rectangle is obtained). S2, S3 It is determined whether the change is addition or deletion. If it is added, the process proceeds to S4, and if it is deleted, the process proceeds to S5.

S4 The value / digit number of the acquired ID is calculated. S5 The layout creation unit is notified of the deletion. FIG. 15 is a flowchart of the layout creating unit.

S1 The top parent data is searched for on the basis of the processed data (the top ID is obtained from the plurality of IDs received from the display portion fixing section). S2 The upper left coordinates of the layout diagram (structure diagram) are fixed.

S3 Calculate the width of the rectangle. S4 Find the height of the rectangle. S5 Draw a rectangle according to the position, width, and height of each rectangle.

In the process of calculating the width of the rectangle, S10 The process of calculating the width of the rectangle is started. S11 Determine whether there is an item at a lower level of the user.
If so, the process proceeds to S12, and if not, the process proceeds to S13.

S12 Calculate the width of the lower level rectangle. S13 Stores one's width. S14 Determine whether there is an item at the same level as yourself. If so, the process proceeds to S15, and if not, the process proceeds to S16.

S15 The width of the rectangle of the same level is calculated. S16 Sum the widths of rectangles at the same level as the width of the whole. FIG. 16 is a diagram showing a method of editing a structural diagram according to the present invention.

FIG. 16 (a) shows a case where an item is inserted after JUNE. FIG. 16B shows a case where an item is inserted in the lower value of ADD. FIG. 16C shows a case where MIDLLE is deleted.

FIG. 16 (d) shows a structural diagram for which editing has been completed. 16 (a), (b), (c), and (d), 100 is a level. 140, 142, 144, 146 are structural drawings. 141 is an item "JUNE". 143 is an item “ADD”. 145 is the item "MIDLLE"
Is.

An edit command is input to enter the edit mode. Then, in FIG. 16A, the item JUNE is designated by the cursor. Then, the item ADD is added by designating insertion into the level 2. As a result, the structural diagram 142 shown in FIG. 16B is obtained. For the additional position, the user specifies upper, lower, left, right, etc. based on the cursor position.

Next, in FIG. 16B, the cursor is designated as 143ADD. And the value AD below the item AD
Specifies to insert D-1. As a result, Fig. 16 (c)
A structure diagram 144 of is obtained.

Next, in FIG. 16C, the cursor is designated for MIDLLE. Then, specify deletion. As a result, the structure diagram 146 of FIG. 16D is obtained. FIG. 17 shows a flowchart of the editing unit of the present invention.

In FIG. 17, 160 is an editing unit. S1 currently selected rectangle (rectangle at cursor position)
To get the ID. S2 Perform processing for the specified operation (add (insert), delete, copy / move, etc.).

S3 The layout diagram (structure diagram) is corrected and displayed. S4 It is determined whether or not the editing process is to be ended. If not completed, the processing from S1 is repeated. If editing is completed, the process proceeds to S5.

The S5 converter 86 converts the edited result into a source program. FIG. 18 shows a flowchart of each process of the editing unit of the present invention. FIG. 18A shows an addition (insertion) process. FIG. 18B shows the deletion process. Figure 18 (c)
Is a copy / move process.

The addition (insertion) processing of FIG. 18A will be described. S1 Confirm the addition / insertion position. S2 Get item name, number of digits, attribute, etc.

S3: Layout creating data is added in accordance with the input data. The deletion process will be described with reference to FIG. S1 The rectangle to be deleted is confirmed, and the data corresponding to the selected rectangle is deleted by executing the deletion.

Copying / moving processing will be described with reference to FIG. S1 Establishes the copy / transfer source rectangle. S2 Confirm the copy / move destination position.

S3 layout creation data (structure diagram)
To fix.

[0118]

According to the present invention, the data structure in the program can be displayed on the screen with good operability, and the structure of the data of interest can be clearly displayed. Further, it becomes possible to easily save the detailed data for the data of interest and the structure of other related data. Further, the displayed data structure allows the program to be easily edited.

[Brief description of drawings]

FIG. 1 is a diagram showing a basic configuration of the present invention.

FIG. 2 is an operation explanatory diagram of the basic configuration of the present invention.

FIG. 3 is a diagram showing an example of a system configuration of the present invention.

FIG. 4 is a diagram showing a configuration of an embodiment of the present invention.

FIG. 5 is a diagram showing an example of a source program and an example of a record.

FIG. 6 is a diagram showing a flowchart of an analysis data extraction processing unit of the present invention.

FIG. 7 is a diagram showing an example of a structural diagram and an example of a display method thereof.

FIG. 8 is a diagram showing a method of displaying detailed data.

FIG. 9 is a diagram showing a process of changing the number of display layers.

FIG. 10 is a diagram showing change of presence / absence of display of a value / digit number and the like and display of a plurality of structures.

FIG. 11 is a diagram showing a flowchart of a display portion confirmation unit.

FIG. 12 is a diagram showing a flowchart of a display portion confirmation unit and a display position determination unit.

FIG. 13 is a diagram showing a flowchart of a display portion confirmation unit and a display position determination unit.

FIG. 14 is a diagram showing a flowchart of a display portion determination unit and a display position determination unit.

FIG. 15 is a diagram showing a flowchart of a layout creating unit.

FIG. 16 is a diagram showing a method of editing a structural diagram according to the present invention.

FIG. 17 is a diagram showing a flowchart of an editing unit of the present invention.

FIG. 18 is a diagram showing a flowchart of each process of the editing unit of the present invention.

FIG. 19 is an explanatory diagram of a display method of a conventional source program structure display device.

[Explanation of symbols]

 1: Program data structure display / editing device 2: Source program input means 3: Data processing means 4: Display means 5: Input means 10: Source program 11: Source program analysis section 12: Analysis data extraction processing section 13: Item record Holding section 14: Display section determining section 14 ': Display position determining section 15: Layout creating section 16: Command determining section 18: Cursor position determining section 19: Search section 20: Editing section 21: Converting section

Claims (9)

[Claims] 1. A program structure display method for analyzing the structure of a source program and displaying the structure diagram on a display means, which comprises a source program input means (2) and a display means.
(4), input means (5) for inputting information for designating display items, and data processing means (3), wherein the data processing means (3) is a source for analyzing the input source program. A program analysis unit (11) and an analysis data extraction processing unit (12) that extracts information necessary for displaying the structure of the source program as a structure diagram from the analysis result and creates a record having hierarchical information for each item Then, a record holding unit (13) for holding the record, a display part confirming unit (14) for obtaining an item to be displayed from the record holding unit (13), and an item from the position on the screen of the display means (4) are displayed. Display position determination unit (1
4 ') and a layout creating section (15) for creating a structural diagram to be displayed according to the display items obtained by the display part determining section (14), and the display position determining section (14') is a display means (4). The items specified in the structure diagram on the screen are judged, and the display part confirmation section (1
4) searches the record holding unit (13) according to the specified item, obtains a record in a hierarchy higher or lower than the item, and the layout creating unit (15) lays out the structure diagram according to the hierarchical structure of the record, A program structure display method characterized by displaying. 2. The data processing means (3) according to claim 1.
Is a program structure display method comprising a detailed data holding unit having detailed data of items obtained from analysis results, and displaying detailed data of specified items. 3. The program structure display method according to claim 1, wherein the number of display layers of the structure diagram item can be changed. 4. The search unit (19) according to claim 1, comprising:
A program structure display method characterized in that a reference item can be searched. 5. The program structure display method according to claim 1, wherein a plurality of structure diagrams can be displayed on the same screen. 6. The method according to claim 1, wherein the item names of the items not displayed on the screen are displayed on the screen, and the structural diagram of the specified item is displayed on the screen by specifying the item name on the screen. Characterized program structure display method. 7. The editing unit (20) according to claim 1, further comprising: an editing unit (20) for editing the structural drawing on the screen and a conversion unit (21) for converting the structural drawing on the screen into a source program. A program structure display method, characterized in that the source program can be changed by changing the structure diagram on the screen and converting the structure diagram into a program. 8. The editing unit (20) according to claim 1, comprising means for inserting, deleting, copying and moving a structural drawing on the screen, and capable of inserting, deleting, copying and moving the structural drawing. A program structure display method characterized by: 9. A source program input means (2), a display means (4), an input means (5) for inputting information for designating a display item, and a data processing means (3). In a program structure display device for analyzing the structure of a program and displaying the structure diagram on a display means, a data processing means (3) includes a source program analysis section (11) for analyzing an input source program and a structure of the program. Data extraction and processing unit (12) that extracts the information necessary to display the structure as a structure diagram from the analysis result and creates a record with hierarchical information for each item, and a record holding unit (13) that holds the record And a display part confirming part (14) for obtaining an item to be displayed from the record holding part (13), a display position determining part (14 ') for determining the item from the position on the screen of the display means (4), and a display. Display items obtained by the partial confirmation unit (14) And a layout creation unit (15) that creates a structure diagram to be displayed according to the display position determination unit (14 ') determines the items specified in the structure diagram on the screen of the display means (4) and confirms the display portion. The section (14) searches the record holding section according to the specified item and obtains a record at a higher or lower hierarchy than the item, and the layout creation section (15) lays out and displays the structure diagram according to the hierarchical structure of the record. A program structure display device characterized by: