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Help debugging Garfinkel and Mahoney's MathPaper Example
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Help debugging Garfinkel and Mahoney's MathPaper Example


  • Subject: Help debugging Garfinkel and Mahoney's MathPaper Example
  • From: Mark Middleton <email@hidden>
  • Date: Wed, 18 Dec 2002 11:08:25 +0000

I'm working through Garfinkel and Mahoney's MathPaper example (see the book). I can build the Evaluator backend, and have tested it from the console. I've built the front end, and linked the two according to instructions in the book (I think/hope). Tracing PaperController, it seems lastLine (the expression) is encoded as NSData and is sent to Evaluator (no runtime errors, etc). However I never get an answer back from Evaluator. Since Evaluator appears to work correctly, it seems to me that the data never reaches Evaluator, however with little C experience I'm not sure how to approach debugging this.

Any clues? For those without the book, I'm happy to supply code fragments.

Mark
--
Mark Middleton
email@hidden
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