27.4 Embedded Bigloo applications

It is possible to design and realize embedded Bigloo applications. This facility is useful for adding a new Scheme part to an already existing C program. The C part of the program has only to enter the Bigloo initialization, hence, it can call any Bigloo function.

Normally, Bigloo creates an initialization function called main when it reads a main module clause. To use an embedded Bigloo program, such an initialization function would have to be created but with a different name. Changing the name can be be done using the following Bigloo option: -copt "-DBIGLOO_MAIN=<new-name>". To prevent exit from the program after <new-name> is executed, the following Bigloo option must be used: -copt "-DBIGLOO_EXIT='BUNSPEC,'".

A very important part of designing embedded Bigloo programs is being sure that all used Bigloo modules are correctly initialized and the normal way to initialize them is to use with clauses in the module which contains the main clause.

An example of an embedded program can be found in the distribution’s examples directory.

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