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3910_COMP_SCI_X_0001PagesAssignment 3 Description

2019 Semester 1
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Assignment 3 Description
Assignment 3 Jack Compiler
Weightingand Due Dates
Marks for this assignment contribute 10% of the overall course mark.
Marks for functionality will be awarded automatically by the web submission system.
Due dates:Milestone 11:55pm Friday of week 11,Final 11:55pm Friday of week 12.
Late penalties:For each part, the maximum mark awarded will be reduced by 25% per day / part day late. If your mark is greater than the maximum, it will be reduced to the maximum.
Core Body of Knowledge (CBOK) Areas:abstraction, design, hardware and software, data and information, and programming.
Project Description
In this assignment you will complete a variation of projects 10 and 11 in the nand2tetris course, reworked descriptions of Nand2Tetris Projects 10 and 11 are shown below. In particular, you will write the following programs that are used to implement different components of an optimising Jack compiler that compiles aJack class into Hack Virtual Machine (VM) code:
parser this parsesaJack program and constructs an abstract syntaxtree.
codegen this takes an abstract syntaxtree and outputsequivalentVM code.
pretty this takes an abstract syntaxtree and produces acarefully formatted Jack program.
optimiser-r this copiesan abstract syntaxtree andremovesredundant code.
SVN Repository
You must create a directory in your svn repository named: / /cs/assignment3. This directory must only contain the following files and directories the web submission system will check this:
Makefile this file is used by make to compile your submission do not modifythis file.
.cpp C++ source files naming as specified in the component program requirements.
.h C++ include files naming as specified in the component program requirements.
lib this directory contains precompiled programs and components do not modify this directory.
includes this directory contains .h files for precompiled classesdo not modify thisdirectory.
tests this directory contains a test script and test data, you can add your own tests too.
Note: if the filelib/lib.adoesnot get added to your svn repository you will need explicitly add it using:
% svn add lib/lib.a
Submission and Marking Scheme
This assignment has two assignments in theweb submission system named: Assignment 3 Milestone Submissions and Assignment 3 Final Submissions. The assessment is based on Assessment of Programming Assignments.
Assignment 3 Milestone Submissions: due 11:55pm Friday of week 11
The marks awarded by the web submission system for the milestone submission contribute up to 20% of your marks for assignment 3.Yourmilestone submission mark, after the application of late penalties, will be posted to the myuni gradebook when the assignment marking is complete.
Your programs must be written in C++and will be tested using Jack language programs that that may or may not be syntactically correctand previously generated abstract syntax trees. Although a wide range of tests may be run, including some secrettests,marks will only be recorded for those tests that require a workingparserprogram.Your programs will be compiled using the Makefileand precompiled componentsin the libdirectory.Note: you will get no feedback on thesecret tests, even if you ask!
Assignment 3 Final Submissions: due 11:55pm Friday of week 12
The marks awarded for the final submission contribute up to 80% of your marks for assignment 3.
Yourfinal submission mark will be the geometric mean of the marks awarded by the web submission system, a mark for your logbook and a mark for your code. It will be limited to 20% more than themarks awarded by the web submission system. SeeAssessment Mark Calculationsfor examples of how the marks are combined. Yourfinal submission mark, after the application of late penalties, will be posted to the myuni gradebook when the assignment marking is complete.
Automatic Marking
The automatic marking will compile and test both of your tokenisers in exactly the same way as for the milestone submission. The difference is that marks will be recorded for all of the tests including thesecret tests.Note: if your programs fail any of these secrettests you will not receive any feedback about these secrettests, even if you ask!
The marks from the automatic tests for each component program will be weighted as follows:
parser 30%
codegen 40%
pretty 10%
optimiser-r 20%
The test scripts are able to test each component program independently but, we strongly suggest that you attempt the component programs in the order above so that youget the most return on your effort. You should gain themost significant learning benefit from completing both the parserandcodegenprograms.
Logbook Marking
Important: the logbook must have entries for all work in this assignment, including your milestone submissions. See Assessment Logbook Review for details of how your logbook will be assessed.
Code Review Marking
For each of your programming assignments you are expected to submit well writtencode.See Assessment Code Review for details of how your code will be assessed.
Nand2Tetris Projects 10 & 11: Compiler I & II
Background
Modern compilers, like those of Java and C#, are multi-tiered: the compilers front-end translates from the high-level language to an intermediate VM language; the compilers back-end translates further from the VM language to the native code of the host platform. In an earlier workshop we started building the back-end tier of the Jack Compiler (we called it the VM Translator); we now turn to construct the compilers front-end. This construction will span two parts: syntax analysis and code generation.
Objective
In this project we build a Syntax Analyser that parses Jack programs according to the Jack grammar, producing an abstract syntax tree that captures the programs structure. We then have a choice, we can morph the logic that generates the abstract syntax tree into logic that generates VM code or we can write separate logic that can apply any number of transformations to our abstract syntax tree. The transformations may include pretty printing the original program, applying specific optimisations to the abstract syntax tree or generating VM code. This mirrors the alternative approaches usedin the workshops.
Resources
The relevant reading for this project is Chapters 10 and 11. However, you should follow the program structure used in earlier workshops rather than the proposed structure in Chapters 10 and 11. You must write your programs in C++. You should use the Linux commanddiffto compare your program outputs to the example output files supplied by us. A set of precompiled classes similar to those used in the workshops and the previous assignment are in the zip file attached below. All the test files and test scripts necessary for this project are available in the zip file attached below.
Component Functions
We have a provided a description of the requirements for each component program on its own page. This includes instructions on how to compile, run and test each component program.
parser
The parserprogram uses the provided tokeniser to parse a Jack program and construct an equivalent abstract syntaxtree. The specific requirements for this component program are described on the jack_parserpage.
codegen
The codegen program traverses anabstract syntaxtreeto generate virtual machine code. The specific requirements for this component program are described on the jack_codegenpage.
pretty
The pretty program traverses an abstract syntaxtree produced and prints a Jack program formatted to a specific coding standard.The specific requirements for this component program are described on the jack_prettypage.
optimiser-r
The optimiser-r program traverses anabstract syntaxtreeproduced and generates a new abstract syntax tree with redundant program elements removed.The specific requirements for this component program are described on the jack_optimiser_rpage.
Testing
The test data including the convention used to name expected outputs for each test are described on the Testing page.
Startup Files
Compiled using g++ 4.8.5 for CAT Suite Linux, Web Submission and Docker image csadelaide/cscli:
assignment-compiler-cats.zip
Compiled using g++ 7.3.0 on Ubuntu 18.04 for other Linux:
assignment-compiler-linux.zip
Compiled using X-Code for MacOS High Sierra (10.13):
assignment-compiler-macos.zip

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[SOLVED] C++ Scheme Java javascript compiler software To access this site, you must enable JavaScript.
$25