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2 Building Your Program
Several Vortex commands are available to examine the inheritance hierarchy, methods, and fields of the program currently being compiled. To use them, it is necessary first to run a make command (like make or graphs) on the program, or, instead, load a checkpoint that was saved after a make command had been run:
- parents objectspec -- display (immediate) parents of the object specified by objectspec
(objectspec is the object name followed by the number of its type parameters, if non-zero, e.g., int or list 1)
- allparents objectspec -- same, but include indirect ancestors
- children objectspec -- display (immediate) children of the object specified by objectspec (except for descendants of predicate objects)
- allchildren objectspec -- same, but include indirect descendants
- methods objectspec -- display methods and fields where the specified object is the specializer of at least one formal
- allmethods objectspec -- same, but the specified object may be either the specializer or inherit from the specializer (the specializer any doesn't count)
- [all_]fields objectspec -- same, but display only fields
- methdefs methodname [[nparams] nargs] -- display all implementations of the message with the given name, number of type parameters and number of formal arguments (0s by default)
- matchmeths name -- display all message names that include string name
Two options affect the selection of displayed objects, methods, or fields
- browse_predicate_objects - when false, don't include predicate objects
- browse_private_methods - when false, don't include private methods or fields
Typing help browse will print a summary of these commands.
How to Use the Vortex Compiler - 20 JAN 97
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