3 Using the MLWorks Libraries

3.2 The MLWorks libraries

1. As mixtures of source and object files

2. As image files

• The Basis library. This library is an implementation of the Standard ML Basis library developed by the SML community. It provides a basic SML toolkit for general programming tasks such as I/O; extensions to the SML type system; internationalization; and Posix support. Part of the Basis library, the General structure, is available permanently at top level in MLWorks.

Object and source files for the Basis library are in the basis compound, an installation subdirectory. (Some Basis object files are in the system subdirectory.) An image file of the Basis library is in images/basis.img.

• The MLWorks pervasive library. This library is MLWorks' own general-purpose library containing facilities for I/O, creation of standalone applications, multiprocessing, profiling, and so on. There is some overlap between the facilities provided by the pervasive library and those provided by the Basis library.

The pervasive library literally pervades the MLWorks environment, as the permanently available structure MLWorks. Object and source files for the pervasive library are also available in the pervasive compound, an installation subdirectory. An image file can be found in images/pervasive.img.

• The MLWorks foreign interface library. This library is MLWorks' own library for interfacing to code written in languages other than Standard ML. C is the only foreign language supported at present.

Object and source files for the foreign interface library are in the foreign compound, an installation subdirectory. The image file is images/foreign.img.

• The MLWorks Motif interface library. This library is MLWorks' own library for GUI programming through Motif.

Object files for the Motif interface library are in the directory motif; the image file is images/xm.img.

• The interactive environment library. The MLWorks interactive context provides this library in the permanently available structure Shell. This library is not available in the batch context -- see Section 2.7 on page 41.

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