CONTENTS

  Title Page

  Copyright Page

  Preface

  CDU DESCRIPTION

  1      Command Processing
    1.1       Command String Components
    1.2       System and Process Command Tables

  2      Using the CDU

  3      Choosing a Table
    3.1       Modifying Your Process Command Table
    3.2       Adding a System Command
    3.3       Creating an Object Module

  4      Writing a Command Definition File
    4.1       Defining Syntax
    4.2       Defining Values
      4.2.1        Built-In Value Types
      4.2.2        User-Defined Keywords
    4.3       Defining Command Verbs
    4.4       Disallowing Entity Combinations
      4.4.1        Specifying Expression Entities
      4.4.2        Operators
    4.5       Identifying Object Modules

  5      Processing Command Definition Files
    5.1       Adding Command Definitions to a Command Table
    5.2       Deleting Command Definitions
    5.3       Creating Object Modules
    5.4       Creating New Command Tables

  6      Using Command Language Routines

  CDU USAGE SUMMARY

  CDU FILE STATEMENTS
    DEFINE SYNTAX
    DEFINE TYPE
    DEFINE VERB
    IDENT
    MODULE

  CDU QUALIFIERS
    /DELETE
    /LISTING
    /OBJECT
    /OUTPUT
    /REPLACE
    /TABLE

  CDU EXAMPLES

  TABLES

  CDU-1     Summary of CDU Operators

  CDU-2     How the DEFINE SYNTAX Statement Modifies the Primary DEFINE Statement