Held: Thursday, 27 February 2014

Back to Outline 05 - Compilation, Macros, and the C Preprocessor. On to Outline 07 - Learning Vi (Optional).

Summary

We consider how C macros might allow us to write a system that helps us do better print-style debugger.

Related Pages

• Code: examples/logging
• EBoard (Source) (HTML) (PDF)

Overview

• Interesting macro examples.
• Requirements for a debugging/logging system.
• Implementation details.

Administrivia

• This week's assignment: Write a macro library for ...
• No class next week. Use the time to teach yourself vi
  • Next week's assignment:
    • Find four interesting vi settings, such as sm.
    • Make a list of four things you'd like to be able to do with vi.
• Cool CS activities:
  • Thursday extra:

Cool uses of Macros and/or CPP

Requirements for a Simple "Debug by Printing" Environment

Messages that are easy to enable/disable

Print the values of expressions, along with the expression

Print each statement as we execute it

Generalized optional output (like printf)

Show nesting through indentation?