CSE 401, Au '03: Assignment #5, Due Monday, 11/17/03

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Individual homework

1. Text, 7.1
2. Text, 7.6abc
3. Text 7.9
4. For the following program, sketch the activation records, dynamic links, and static links for the program when execution reaches the point marked HERE for the second time. (You do not need to show offsets or other internal structure in the activation records.)

       module M;
          procedure P();
             procedure Q();
             begin
                R();
             end Q;
          begin
             Q();
          end P;
          procedure R();
          begin
             # HERE
             P();
          end R;
       begin
          R();
       end M.
   

Project

Implement storage layout for the extended PL/0 language.  Run the extended compiler with the "-r -R" options to print the runtime space allocation.

As usual, turn in only one solution per group, including:

• Paper Turnin:
  • a summary of your test cases,
  • printouts of those files in which you make major changes (presumably only symtab.c and type.h).
  As usual, please highlight your changes on your listings, and staple them for convenient reading.
• Electronic Turnin:
  • Also turn in your whole directory, including test cases, electronically.

As usual, you will be graded on correctness of your implementation, on clarity and good design of your implementation, and on sufficiency of your test cases.