CISC220 F2021 Lab3

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Lab #3

The Drozdek references below are to the textbook. It shouldn't matter whether you have the 3rd or 4th edition.

1. C++ programming exercises

  • (3 points) Drozdek programming assignment 4.10.3 (4.9.3 in 3rd edition): Implement the stack-based delimiter matching algorithm from Drozdek Section 4.1. As in the algorithm, you should read from a file (specified on the command line, so the TA can supply their own tests) and handle parentheses, square brackets, curly braces, and C++ comments (/* and */ pairs), and skip all other characters that may be mixed in. Use the STL stack class. You may do everything in main.cpp. Evaluate each LINE of the file separately and print "T\n" or "F\n" to cout to indicate no errors or an error, respectively.
    • To use the STL stack, you must have "#include <stack>" in your main.cpp. Also be aware that this class separates pop() and top() into separate functions, so you will need to use top() to "read" what is about to be popped.
  • (2 points) Modify this array_queue class to be circular as defined in Drozdek Chapter 4.2. You may refer to the code in figure 4.9, but what you submit should be based on array_queue. Also, please use variable names back for where things are enqueued and front for where they are dequeued as discussed in class. Don't change main.cpp; you should be able to run it to verify that your modified class still works.
    • If you have problems with the lines in the #ifdef LINUX sections of main.cpp, just comment out #define LINUX at the top. The only purpose of these lines is to put a delay after each queue element getting printed.

2. Submission

  • Include a PDF file <Your Name>_README.pdf which contains the inputs and outputs of your delimiter matching program and several test strings being printed out for your circular array queue program.
  • Create a single tar/zip/rar file out of the top-level and all subdirectories. This archive file should be named <Your Last Name>_Lab3.tar (or .zip or .rar, etc.).
  • Submit it in Canvas by midnight at the end of Tuesday, September 21