JPH027121A - Command input control system for program - Google Patents

Abstract

PURPOSE:To make it unnecessary to have the same analyzing logic in a whole execution program and to simplify a constitution by using a command file prepared beforehand and providing a function to carry out a command analyzing processing prior to the execution of the execution program. CONSTITUTION:A command and the argument of the command are inputted from a keyboard and displayed at a CRT 1. An input command is detected by a command detecting mechanism 2 and a command corresponding to the input command is searched from a command file 3. After the command is found out, a general-purpose command checking mechanism 4 refers to respective types of the information of the command file 3 and the argument of the command is checked. When the checking is wholly OKed, it is informed to an execution program side with the message of a format determined beforehand. For the execution program, the validity of the message is not checked and the processing is started as it is.

Description

[Detailed description of the invention] [Industrial application field] The present invention relates to a program command input control method.

In particular, it relates to a command input control method for a control program in the operation of an execution program.

[Conventional technology]

In conventional command input format control programs,
As shown in FIG. 5, the control program 100 that inputs commands and arguments from the keyboard (flow 10) does not check the arguments accompanying the commands. Since the command argument is checked by a general-purpose command check mechanism in the flow 50 of each execution program 200 for specific argument checking, it is necessary to modify the program when changing the argument.

[Problem to be solved by the invention]

The conventional command input format control program described above is
Since the arguments accompanying the command are passed to the execution program as is, all execution programs must have the same parsing logic. Therefore.

Execution programs under conventional control programs have problems in that the number of man-hours required to create analysis logic, memory capacity, and number of failures increases.

The present invention provides a complete command input control method for a program which solves all of the problems of the conventional method.

[Means to solve all problems]

According to the present invention, there is a command file that stores all command arguments, a command detection mechanism that detects that a command has been input, and a general-purpose command check mechanism that checks all the arguments in the command file. A command control method for a program characterized in that a command is detected by a command detection mechanism, a corresponding command is searched for from the command file, and all arguments are checked by a general-purpose command check mechanism. The invention will be explained with reference to all drawings.

FIG. 1 is a block diagram of an embodiment of the present invention, in which all commands and command arguments are input using the 1 key.

Display on CRT 1. The command detection mechanism 2 detects the input command and searches the command file 3 for a command corresponding to the υ input command. After finding the command, the general-purpose command check mechanism 4 refers to all the various information in the command file 3 and checks the arguments of the command.

This control procedure is shown in FIG.

First, in flow 10, all commands and arguments shown in FIG. 4 are input from the keyboard. The input order may be in any order except for the command name.

Next, enter the input data as the command name (AAAA).

Device number (srrl, n) ■, file name (, I-F
iLE.

, 0-FiLE, )■, option information (-01-
02)■.

Additional input information (MEMBER) is broken down into five parts.

After decomposition, the command name detected by the command detection mechanism 2 in flow 20 is used as the entire key to read the record of the corresponding command from the command file 3 in flow 30.

At this time, if there is no key corresponding to the command name, it will be determined that there is no command and it will be necessary to re-enter the command. When the applicable command is found, in flow 50, the general-purpose command checking mechanism 4 checks the argument following the command while comparing it with the contents of the record.

There are four stages of argument checking: device number check, file name check, option information check, and additional input information check.

To check the device number, set whether or not the input/output device can be used in the command file 3 by turning on/off the focus corresponding to the device, and then check whether the device number can be specified in the input information.4. The name check is to make sure that one file name (input file name or output file name) of input information is within 8 bytes, and also to set whether or not file names can be used in command file 3, and to check that the number of file names of input information is within 8 bytes. Checks all files to see if they match the specified number of file names.

Option information check: In the command r file 3, the option character immediately after par and whether or not it can be specified simultaneously with other option characters are all set, and it is checked whether the option information of the input information can be specified.

To check additional input information, set the number of additional input items in the command file 3, and check whether the number of additional input information in the input information is the same as or less than the specified number of items, and whether it can be specified. .

If all of the above four checks are OK.

In flow 70, a notification is sent to the execution program side using a predetermined format (command message).

The execution program does not check the validity of the message and starts processing it as is.

An analysis example is shown below.

As shown in CRT 1 in FIG. 1, after inputting the command of the copy utility, which is an execution program, the command detection mechanism 2 detects all r C0PY J commands C4.

From command file 3, search for the command file record gold, which is the "rcopy" command file shown in Figure 3.

Figure 3 H command file 3 (7) r C0PY
j shows the full contents of the command, l is the command name, 2 is the load module name, 3 is the input device type, 4 is the input unit number, 5 is the input file name, and 6 is the output device type.

7 is the output unit number, 8 is the output file name, 9 is option information, and 10 is the number of additional input items.

Next, the general-purpose command check mechanism 4 checks the arguments C2 to C.
Perform check 6. C2 and C5 immediately after "Issu" fully check the validity of the usability specifications as input and output devices, respectively.C4 refers to the input file name, and C5 refers to the output file name, and each checks whether the entire file name is required or not. Check whether the name is within 8 bytes. - Refer to all the option information as the 06 immediately after it is an option character, and check that "P" is a character that can be specified. It is checked by the number of additional input items that there is no additional input information for the "C0PY" command.

〔Effect of the invention〕

As explained above, the present invention uses all the command files created in advance and has a function that performs command analysis processing on behalf of the executed Grodarum, so that all the executed Grodarums have the same analysis logic. That becomes unnecessary.

Therefore, the number of man-hours for creating the analysis ronoc, memory capacity, and number of failures can be reduced, and arguments can be easily changed by changing the entire command file.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of an embodiment of the present invention, FIG. 2 and FIG.
The figure is a diagram showing a control flow in a control program of the present invention and a conventional command input format. FIG. 3 is a detailed diagram of an example of a command file record used in the present invention, and FIG. 4 is a diagram showing the general input format of commands. Explanation of symbols: 1...CRT, 2...Command detection mechanism. 3... Command file, 4... General purpose command check mechanism. Figure Figure

Claims (1)

[Claims] 1. It has a command file that stores command arguments, a command detection mechanism that detects when a command is input, and a general-purpose command check mechanism that checks the arguments in the command file, and detects commands when they are input. A command control method for a program, characterized in that a command is detected by a mechanism, a corresponding command is searched from the command file, and an argument is checked by a general-purpose command check mechanism.