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JavaToARM

Welcome!

This project is a compiler that converts Java programs to ARMv7 instructions.

Requires Java 15 and Gradle

How to Use

Step 1. clone this repository

Step 2. cd to the project directory

Step 3. Build

gradle build

Step 4. Run the program to compile your .java file

java -cp build/classes/java/main/ javatoarm.JavaToARM "path/to/the_file_to_compile.java" [Memory Size (in MB) (Optional)]

Suggested ARMv7 Simulator: https://cpulator.01xz.net/?sys=arm

Samples

Some sample test files included under resources/:

Test1.java
String.java from Java Standard Library

Features

Front-end

Support most Java syntax (Everything in String.java)

Back-end

Supported data types: int, boolean, and arrays
Branching
- if-else
- for
- while
- do-while
Function call
Complex expression
Mini malloc

TODOs

Floating-point numbers
Class fields
Switch statement
Class instances
String
Improve JavaCode.getUniqueID
Static type checking
Fix ARMSubroutine.addLogicalOperation