The constant values in the case statements must match the discriminator’s type. A discriminator used in an IDL union is a parameter that determines the value used by the union. Ex: module Bank Here, the parameter is called as discriminator. A module declaration specifies the module name and encloses its members in braces. e) The Module The module construct is used to group together IDL definitions that share a common purpose. c) IDL Comments Both C-Style and C++-Style comments are allowed // C++ comment allowed /* C – Style Comment allowed */ ĭ) Use of the C Preprocessor IDL assumes the existence of a C preprocessor to process constructs such as macro definitions and conditional compilation. (modules & interfaces) If a closing brace appears at the end of a definition and it is also followed by a semicolon, represents a module. b) IDL Definition Syntax All definitions in IDL are terminated by a semicolon ( ), much as they are in C, C++, and Java Definitions that enclose other definitions do so with braces. in the myObject interface, IDL would not allow an operation named anOperation and another operation named anOPERATION to be simultaneously. The names of identifiers in the same scope cannot differ in case only. IDL Ground Rules a) Case Sensitivity Identifiers are case sensitive.
CORBA - IDL Roy Antony Arnold G, Lecturer, Panimalar Engineering College, Chennai, India Unit – 4
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