Leaf — Minimal Compiler (C++)

A small example compiler implemented in C++ that parses a tiny language, generates x86-64 assembly, assembles it with NASM and links it to produce an executable.

Prerequisites

• A C++17-compatible compiler
• NASM

Quick start

Clone the repository :

git clone https://github.com/BhuvanB404/leaf.git
cd leaf

Build

Compile the compiler driver :

g++ -std=c++17 -O2 -I src -o leaf src/main.cpp

Notes:

• The program expects a source file in the project-specific .hy format (example below).
• The compiler will generate out.asm, then invoke nasm -felf64 out.asm and ld -o out out.o to produce an executable called out.

Makefile

A minimal Makefile can automate the build steps. If a Makefile is present in this directory, use:

make        
make run    
make clean  

Create a minimal input file example.hy with a single exit statement:

exit(0);

Then run:

./leaf example.hy

./out

Cleaning

rm -f leaf out out.o out.asm

License

This directory is licensed under the MIT License — see the included LICENSE file for details.