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Command processor

This chapter details Scheme 48's command processor, which incorporates both a read-eval-print loop and an interactive debugger. At the > prompt, you can type either a Scheme form (expression or definition) or a command beginning with a comma. In inspection mode the prompt changes to : and commands no longer need to be preceded by a comma; input beginning with a letter or digit is assumed to be a command, not an expression. In inspection mode the command processor prints out a menu of selectable components for the current object of interest.

  • Current focus value and ##
  • Command levels
  • Logistical commands
  • Module commands
  • Debugging commands
  • Switches
  • Inspection mode
  • Command programs
  • Building images
  • Resource query and control
  • Threads
  • Quite obscure
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