Module jit 

JIT compilation module for the JavaScript engine.

Provides a bytecode compiler and stack-based VM as an alternative execution path to the tree-walking interpreter. The pipeline is:

JavaScript source → Parser → AST → Compiler → Bytecode → VM → Result

The bytecode representation eliminates per-node dispatch overhead and improves cache locality compared to recursive AST evaluation.

Modules

bytecode

Bytecode instruction set and chunk structure for the JIT compiler.

compiler

AST-to-bytecode compiler.

reg_bytecode

Register-based bytecode instruction set and chunk structure.

reg_compiler

AST-to-register-bytecode compiler.

reg_jit

Cranelift-based JIT for register bytecode (numeric prototype).

reg_vm

Register-based bytecode virtual machine.

vm

Stack-based bytecode virtual machine.

Functions

compile

Compile an AST program into stack-based bytecode.

compile_and_run

Compile and execute a program in one step.

compile_and_run_reg

Compile and execute a program with the register VM.

compile_and_run_reg_jit_with_ctx

Compile and execute with the numeric JIT prototype.

compile_and_run_reg_with_ctx

Compile and execute with register VM, returning the EvalContext.

compile_and_run_with_ctx

Compile and execute, returning the context for variable inspection.

compile_reg

Compile an AST program into register-based bytecode.

execute

Execute stack-based bytecode.

execute_reg

Execute a compiled register bytecode chunk.

execute_reg_jit

Execute register bytecode with Cranelift JIT compilation.

execute_reg_jit_or_vm

Execute register bytecode with JIT when possible; fall back to RegVm on failure.