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Guile Reference Manual

11. Debugging Features

When debugging a program, programmers often find it helpful to examine the program's internal status while it runs: the values of internal variables, the choices made in if and cond statements, and so forth. Guile Scheme provides a debugging interface that programmers can use to single-step through Scheme functions and examine symbol bindings. This is different from the 35. Debugging Infrastructure, which permits programmers to debug the Guile interpreter itself. Most programmers will be more interested in debugging their own Scheme programs than the interpreter which evaluates them.

[FIXME: should we include examples of traditional debuggers and explain why they can't be used to debug interpreted Scheme or Lisp?]

11.1 Single-Step		Execute a program or function one step at a time.
11.2 Trace		Print a report each time a given function is called.
11.3 Backtrace		See a list of the statements that caused an error.