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Programming Language 2022-1

Assignments in SNU CSE Programming Language (4190.310) lecture, at 2022 spring.

All the codes are written in OCaml, version 4.02.3.

HW1

6 basic problems to be familiar with OCaml programming language.

To compile and run all testcases:

$ cd HW1
$ make test

HW2

6 other basic problems to be familiar with OCaml programming language.

To compile and run all testcases:

$ cd HW2
$ make test

HW3

Make interpreter of K-- language.

To compile the interpreter and run all testcases:

$ cd HW3/K__skel
$ ./test.sh

HW4

Ex1: K- Interpreter

Make interpreter of K- language.

To compile the interpreter and run all testcases:

$ cd HW4/K_skel
$ ./test.sh

Ex2 & 3: K- Programming

Do some programming in K- language, then run them with the K- interpreter that I just made.

To run all testcases:

$ cd HW4
$ ./test.sh

Ex4: A Pleasant Worry

Simplified version of a polymorphic type decision problem.

To run all testcases:

$ cd HW4
$ make test

Ex5: Preparation for Exploration

Simplified version of an algorithm for solving type equations.

To run all testcases:

$ cd HW4
$ make test

HW5

Writing an essay about the origins of two big sphere of gravity in PL world:

  • imperative (Turing machine)
  • functional (lambda calculus)

HW6

Ex1: SM5

Make translator, which translates K- program to SM5 program.

Ex2: Garbage Collection in SM5

Implement GC in SM5 interpreter.

When memory hits the limit, stop executing program and collect only reachable memories in current state.

To test Ex1 & 2:

$ cd HW6/SM5_skel
$ make test

Ex3: Lambda Ground

Make interpreter of lambda calculus language, following normal-order reduction rule.

To run all testcases:

$ cd HW6/Lambda_skel
$ ./test.sh

HW7

Ex1: CPS - Continuation Passing Style

Make translator, which translates lambda calculus expression into CPS expression.

To run all testcases:

$ cd HW7/CPS_skel
$ ./test.sh

Ex2: Exception is a Sugar

Make translator, which removes every exception syntaxes(raise-handle) then replaces it with CPS expression.

To run all testcases:

$ cd HW7/Exn_skel
$ ./test.sh

Ex3: M Interpreter

Make interpreter of M language.

To compile the interpreter and run all testcases:

$ cd HW7/M_skel
$ ./test.sh

Ex4: Lowfat M

Make type checking system, operating without running every program.

Implemented with M-algorithm.

To compile the type checking system and run all testcases:

$ cd HW7/Lowfat_skel
$ ./test.sh

HW8

Ex1: SM5 RozettaX

Make translator, which translates SM5 program into Sonata program.

Sonata language is almost similar with SM5 program, except there is no 'K(continuation)' functionality.

To debug your Sonata code,

  1. Compile RozettaX, by command $ make.
  2. Run RozettaX with debug option and save output as a file, by command $ ./run -debug input_file.sm5 > output_name.txt.
  3. Open HW8/RozettaX_skel/debugger.html.
  4. Select output file.
  5. With prev/next button, you can debug Sonata interpreter instruction-by-instruction.