Crush AST

crates/
├── crush-errors/         # Unified error types (leaf crate)
├── crush-cast/           # CAST — Crush Abstract Syntax Tree IR
├── crush-cosm/           # COSM — Crush Object Semantic Model: Kind declarations, C3, validation (structs/impl/trait/@kind)
├── crush-caison/         # CAISON (formerly CSON) format + `caison.parse` VM capability
├── crush-cson-shim/      # retired `crush-cson` name: re-exports crush-caison
├── casm/                 # CASM — Crush Assembly bytecode format
├── tree-sitter-crush/    # Tree-sitter grammar for the Crush language
├── crush-diagnostics/    # Shared diagnostics/wire-format types
├── crush-index/          # Cross-crate symbol/reference index
│
├── crush-walker-core/    # LanguageAdapter trait + shared walker utilities (renamed from walker-core)
├── cli/                  # crush-walker — CLI that auto-detects source language and dispatches a walker
├── crush-lang-python/    # Python → CAST (bin: python_walker)
├── crush-lang-rust/      # Rust → CAST (syn-based; refuses what it can't prove exact)
├── crush-lang-js/        # JavaScript → CAST
├── crush-lang-go/        # Go → CAST
├── crush-lang-c/         # C → CAST
├── crush-lang-zig/       # Zig → CAST
├── crush-lang-bash/      # Bash → CAST
├── crush-lang-zsh/       # Zsh → CAST
├── crush-lang-wasm/      # WebAssembly walker — parses Wasm modules into CAST IR
├── crush-lang-dart/      # Dart → CAST
├── crush-lang-nepali/    # Nepali (Sona) → CAST
├── crush-lang-java/      # Java → CAST (skeleton)
├── crush-lang-custom/    # Custom/user-defined language adapter scaffold
│
├── crush-frontend/       # Crush language parser, semantic analyzer, optimizer, and CASM compiler
├── crush-lang-sdk/       # Rust SDK for hosting the CVM1 runtime (produces: crushc, crush-run, crush-compile, crush-repl)
├── crush-vm/             # CVM1 bytecode assembler, disassembler, and sandboxed interpreter (incl. polyglot exec + capability gates)
├── crush-vm-capi/        # C API shared library for embedding CrushVM in C/C++ programs
├── crush-vm-py/          # Python extension module (PyO3) exposing the canonical CVM1 VM
├── crush-jit/            # Cranelift-based JIT backend (native execution tier)
├── crush-aot/            # AOT: CASM → Rust (rustc) or C (gcc/clang) → native .so (bins: crush-aotc, crush-walk-run)
├── crush-aotc/           # Typed AOT compiler library: CASM → C source → shared library (.so)
├── crush-ptx/            # CASM → PTX (NVIDIA GPU assembly) emission backend
├── crush-web/            # Browser WebAssembly runtime (compiles/runs CAST via crush-frontend + crush-vm's portable interpreter)
├── crush-ffi/            # C-ABI plugin interface
├── crush-plugin-example/ # Example native plugin built on crush-ffi
├── crush-python/         # PyO3 bindings exposing crush-cast to Python
├── crush-debugger/       # Debugger hooks over crush-vm
├── crush-lint/           # Static lint pass over CAST/CASM
├── crush-macros/         # Proc-macros shared across the workspace
├── crush-net/            # Mesh/network-facing bindings (crush-lang-sdk over mesh-proto)
├── crush-tui/            # Terminal UI front-end
├── crush-pkg/            # Package manager — cargo-like build tool for Crush (uses buckets for sandboxed script runtimes)
└── crush-installer/      # Toolchain installer and uninstaller

fn make_counter() {
    let c = 0
    return || {
        c = c + 1
        return c
    }
}
let next = make_counter()
next()
print(next())

2