Skip to content

Compiler Directives

This section describes each of the DataFlex compiler directives. They are listed alphabetically. Compiler directives are used to control the features of the DataFlex compiler. The compiler directives can perform tasks such as:

  • Conditional compilation
  • Switching compiler options
  • Creating new command macros

List of Compiler Directives

  1. #define: Defines a macro.
  2. #undef: Undefines a macro.
  3. #if: Starts a conditional compilation block.
  4. #else: Specifies an alternative block in a conditional compilation.
  5. #elif: Specifies an alternative condition in a conditional compilation.
  6. #endif: Ends a conditional compilation block.
  7. #include: Includes another file.
  8. #pragma: Issues a compiler directive.

For more detailed information on each directive, refer to the respective sections in the DataFlex documentation.