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Make it possible to split implementation over multiple cells #28

spoorcc opened this Issue Apr 13, 2017 · 3 comments


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spoorcc commented Apr 13, 2017

Currently each cell should contain an entire functional c program. Notebooks would be much more descriptive if you could incrementally build up a program and intermix functions and markdown.

  • Markdown cell with some explanation
  • Code cell with a function
  • Markdown cell with some more explanation
  • Code cell with another function
  • Markdown cell with even more explanation
  • Code cell with main function calling other two functions

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brendan-rius commented Aug 10, 2017

That would be a good improvement, anyone wants to open a PR for this?


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spoorcc commented Aug 10, 2017

For basic implementation (without redefining functions), changes needed probably:

  • Concatenate all code from cells (store all cells in mem when entering do_execute)
    --> Maybe there is a Jupyter notebook provided way/feature to do this?
    • But how to see if the first cell was changed and re-executed?
  • Not complain (just don't call anything) when there is no usermain found from master.c
    main_t usermain = dlsym(userhandle, "main");
    if ((error = dlerror()) != NULL) {
    fprintf(stderr, "%s: %s\n", argv[0], error);
    return EXIT_FAILURE;

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spoorcc commented Sep 22, 2017

There is also relevant stackoverflow question about a accumilating mechanism:

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