rustc_codegen_jvm: Rust compiler backend to emit JVM bytecode
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Rust to JVM backend, highly novel and technically deep.
rustc_codegen_jvm is a Rust compiler backend that emits JVM bytecode (JVM 8+), enabling Rust code to produce executable .jar files. It compiles from Rust MIR through a custom OOMIR (Object-Oriented MIR) intermediate representation, applying constant folding, propagation, and dead code elimination, then leveraging R8 for stack map frames. The project supports core library, control flow, traits, closures, and memory management, requiring Rust nightly, Gradle 8.5+, and JDK 8+.
- Evaluate rustc_codegen_jvm for JVM backend services where Rust's safety and performance are beneficial.
This project lets you combine Rust's memory safety and performance with Java's ecosystem and deployment targets, opening hybrid architectures for platform engineers building JVM-based services.
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