Cobos Tutorial : How to check the syntax of a COBOL program with Cobos

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If you recently joined reading our Cobos tutorial serie, don’t forget to read our previous posts, which will help you handling the tool:

 

Note: When downloading Cobos, the package comes with a sample file named “Custload.cob”. We’ll use this file to demonstrate how Cobos checks syntax.

  • Open the file “Custload.cob”, then select menu “Cobos ► Check syntax”

    or click on the “check syntax” button placed in the toolbar or use the keyboard shortcut “Ctrl + Shift + V”.

  • Once the check syntax has been achieved, 4 warnings are found in this program.
  • In the Problems view, expand the Warnings line to see the messages.

  • Simply double-clicking a message in the Problems view gives focus on the line in error in the COBOL editor.

Checking copybooks syntax

In general, COBOL programs contain copybooks. Let’s see how it works in Cobos.

  • Open the program “cf00p.cob” from mxwuser.jeu230.cobol project with the COBOL Editor.

  • Check syntax (select menu “Cobos ► Check syntax” or click on or hit “Ctrl + Shift + V”).
  • Once the check syntax has been achieved, 6 warnings are found in this program.


    In the column “Resource”, you can see that some messages refer to files outside the main program: these copybooks are included in the program at syntax checking.

  • Double click on the warning of the copybook “commarea.cob”. This copybook shows off in the COBOL Editor.


    A marker is placed in front of the line addressed by the warning and the line is highlighted.

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