JPS60189533A - Program document output system - Google Patents

Abstract

PURPOSE:To display a document efficiently by preparing a corresponding table between the sort of an instruction of a program and a code expressed by one character or the like corresponding to the sort of the instruction to express each instruction of the program by a code consisting of one character or the like corresponding to each instruction. CONSTITUTION:A central processor 12 reads a program of which program document is to be formed from a file 16 on the basis of operation from an input device 11, analyzes the instruction, and on the basis of the analyzed result, refers a table 14b and selects a code corresponding to its instruction sort. Said processing is repeated for a 1 instructions constituting the program to edit its program document and the edited document is outputted to a recording medium 17 by an output device 15. Namely, one instruction is read and stored in a data buffer 14a, its operation part is separated and analyzed at its instruction sort, the instruction sort is made to correspond to the code by referring the table 14b in a RAM14 on the basis of the analyzed result, and the corresponding result is stored in an output buffer 14c. In case of a jump instruction, relation with an instruction to be jumped is also displayed.

Description

[Detailed Description of the Invention] [Field of Application of the Invention] The present invention provides a document (
Regarding the method of outputting program documents).

(Background of the Invention) In general, program documents contain various graphical symbols, such as a square graphical symbol for normal processing of instructions and a diamond-shaped graphical symbol for decision processing, as shown in Figure 1. The so-called process flow diagram was created by hand using . In addition, recently, systems have been developed to automatically draw program documents using electronic computers, but even in this case, graphical symbols such as those shown in Figure 1 are used as they are, and they are printed on printers or CRT displays. It was output as a flowchart on a display device such as a device. However, printers have paper size limitations,
Display devices have physical limitations such as screen size limitations, and using conventional graphic symbols creates unnecessary blank space, which increases the amount of documents and makes it difficult to properly understand the overall flow of processing. It had the disadvantage of being difficult to do. In addition, since graphic symbols are used, a special program is required to draw one graphic symbol, etc.
There were also difficult problems with the software.

[Purpose of the invention]

SUMMARY OF THE INVENTION An object of the present invention is to provide a program/document output method that allows a program/document to be displayed efficiently and the overall flow of processing to be easily grasped.

[Summary of the invention]

The present invention prepares a correspondence table between the instruction type of a program and the symbol expressed by about one character corresponding to the instruction type, and expresses each instruction of the program by the corresponding symbol of about one character. It is characterized by creating and outputting program documents.

[Embodiments of the invention]

FIG. 2 is a block diagram showing the overall configuration of an embodiment of the present invention, in which an input device 11 consisting of a keyboard, etc., a central processing unit 12. It is composed of a ROM 13, a RAM 14, an output device 15 including a printer, and a file device (external storage device) 16 in which a program to be processed is stored.

The ROM 13 contains a program 1 for creating program documents as one of various processing programs.
3a is stored. The RAM 14 includes a data buffer 14a for storing instructions of the program to be processed, a table 14b in which program instruction types and symbols associated with the instruction types are arranged, and an output buffer 14c for storing created program documents. Equipped.

FIG. 3 is a diagram showing details of the table 14b, in which instruction types such as load instruction LD, store instruction ST, unconditional jump instruction JC1, conditional jump instruction J, and S R1 processing instruction P are arranged in the left column. In the right column, there are nine symbol openings, t7, 3, t7, t7, 3. −
... are arranged.

In FIG. 2, in response to an operation from the input device 11, the central processing unit 12 reads a program for creating a program document from a file 16, analyzes its instructions, and based on the results of this analysis, a table 14b
, and select the symbol corresponding to the instruction type. This process is repeated for all the instructions constituting the program, the program document is edited, and it is output to the recording medium 17 by the output device 15.

FIG. 4 is a diagram showing a processing flow of analysis/editing and the like by the central processing unit 12. First, one sentence of the program, ie, one instruction consisting of an operation part and an operand part, is read and stored in the data buffer 14a (step 101).

Step 1: Extract the operation part from the above sentence
02), the instruction type is analyzed (step 103), and based on the analysis result, the instruction type and symbol are associated with reference to the table 14b in the RAM 14 (step 104).
), and stores the result in the output buffer 14c (step 1
05). At this time, in the case of a jump instruction, the connection relationship of the jump destination is also displayed and stored in the output buffer 14c. It is checked whether the processing from step 101 to step 105 described above has been performed on the entire text of the program (step 106), and if the entire text has not been completed, the same processing is repeated until it is completed, and when the entire text is completed, it is stored in the output buffer 14c. The contents are edited as a program document and outputted to the recording medium 17 by the output device 15 (step 107).

FIG. 5 shows the program output to the recording medium 17.
Symbols 201, 203, 204, etc. are diagrams showing examples of - documents. Since the characters are output to the recording medium 17 in the size of the characters shown in the figure, the program document can be displayed in a space-efficient manner without requiring extra blank spaces like the graphic symbols shown in FIG.

Note that contents such as operands of the corresponding instruction may be written next to each symbol.

In the above embodiment, a printer is used as an example of the output device 15, but it is of course possible to use a display device such as a CRT display device.

〔Effect of the invention〕

As explained above, according to the present invention, instead of using conventional graphic symbols to output program documents, symbols of the size of - characters are used, so unnecessary blank spaces can be reduced and space efficiency can be improved. This has the effect that the process flow is improved and the process flow can be easily understood.

[Brief explanation of the drawing]

Figure 1 is a diagram showing the meanings of commands used in the conventional system and the graphical symbols representing them. Figure 2 is a block diagram showing the system configuration of an embodiment of the present invention. Figure 3 is a diagram showing the types of commands and their corresponding symbols. FIG. 4 is a diagram showing a table in which corresponding symbols are arranged, FIG. 4 is a diagram showing a processing flow in a central processing unit, and FIG. 5 is a diagram showing an output result of a program document according to the present invention. 11... Input device, 12... Central processing bag device, 13
...ROM, 14...RAM, 14b...table, 15...output device, 16...file device,
17...Recording medium. Figure 1 Figure 2 Figure 3 Figure 4 Figure 5

Claims (1)

[Claims] (1) In a system in which a computer reads a program stored in a file device and automatically creates and outputs a document showing the processing flow of the program, the instruction type of the program and the symbol associated with the instruction type are A correspondence table is provided, and the computer analyzes the instructions of the loaded program, selects a symbol corresponding to the instruction type from the correspondence table, and uses the symbol to create a document showing the processing flow of the entire program. A program/document output method that is characterized by outputting files.