[HN Gopher] CRusTTY: A pedagogical C interpreter with time-trave...
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       CRusTTY: A pedagogical C interpreter with time-travel debugging
       capabilities
        
       Author : varun_ch
       Score  : 10 points
       Date   : 2026-03-11 18:57 UTC (4 hours ago)
        
 (HTM) web link (github.com)
 (TXT) w3m dump (github.com)
        
       | anematode wrote:
       | Time travel debugging is soooo cool and I wish it was more
       | widespread (of course I'm aware it's very difficult to implement
       | and has unavoidable overhead). Imagine if an automated error
       | report from a user of your app included not only a stack trace
       | (or whatever have you), but the execution steps leading up to the
       | error.
        
       | yjftsjthsd-h wrote:
       | This is NOT a production C interpreter:                Subset of
       | C (no preprocessor, typedefs, unions, enums, function pointers)
       | No optimization or JIT compilation         Limited standard
       | library (only built-in functions)         No file I/O or external
       | system interaction         Fixed memory sizes
       | 
       | Still probably a good learning tool, but that does limit it to
       | toy/teaching codebases, not real existing programs.
        
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       (page generated 2026-03-11 23:01 UTC)