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cnc_wams/wasm-port/README.md
wangdequan 706fd1e775 按规划继续工作
结论:解释器 WASM、SDK 统一入口、浏览器解释器 smoke 与兼容性文档已闭环,native 和 host/WASM/browser 验证全部通过。
2026-06-08 07:24:06 +08:00

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# LinuxCNC WASM Port Workspace
This directory is the standalone workspace for the WASM-based simulation port.
Rules:
1. `linuxcnc/` is treated as the upstream source tree.
2. The porting work must not modify LinuxCNC source files in-place.
3. Port-specific code, build scripts, adapters, tests, and documentation live here.
4. LinuxCNC source is consumed by reference, copy, generated snapshot, or scripted extraction.
5. The browser/WASM product is managed as a separate program.
6. Browser UI and tests should call WASM modules through `runtime/sdk/src/index.js`.
The SDK is a thin module-loading, string-allocation, Emscripten-FS, and C
ABI wrapper; it must not implement CNC semantics.
Suggested layout:
- `docs/`
Porting strategy and execution documents.
- `vendor/`
Controlled copies or generated snapshots of LinuxCNC source files selected for porting.
- `patches/`
Patch sets applied only to vendored copies, never directly to `linuxcnc/`.
- `tools/`
Extraction, sync, verification, and code generation scripts.
- `runtime/`
WASM core, JS SDK, HTML frontend, and OPFS adapters.
- `tests/`
Port-specific regression tests and browser harnesses.
Recommended target structure after the port takes shape:
```text
wasm-port/
├── README.md
├── docs/
│ ├── scope-and-baseline.md
│ ├── source-reuse-map.md
│ ├── state-porting-strategy.md
│ ├── wasm-build-strategy.md
│ ├── frontend-architecture.md
│ ├── opfs-file-model.md
│ ├── compatibility-validation.md
│ └── drift-report.md
├── vendor/
│ └── linuxcnc/
│ └── src/
│ ├── emc/
│ │ ├── ini/
│ │ ├── kinematics/
│ │ ├── rs274ngc/
│ │ └── tp/
│ ├── hal/
│ │ └── components/
│ └── libnml/
│ └── posemath/
├── patches/
│ ├── vendor-linuxcnc-ini.patch
│ ├── vendor-linuxcnc-rs274ngc.patch
│ ├── vendor-linuxcnc-tp.patch
│ └── vendor-linuxcnc-kinematics.patch
├── tools/
│ ├── extract_sources.sh
│ ├── apply_vendor_patches.sh
│ ├── verify_vendor_sync.sh
│ ├── generate_source_manifest.py
│ └── compare_with_upstream.sh
├── runtime/
│ ├── core/
│ │ ├── include/
│ │ ├── shims/
│ │ ├── adapters/
│ │ ├── canon/
│ │ ├── session/
│ │ ├── simulation/
│ │ ├── linuxcnc_wrap/
│ │ └── c_api/
│ ├── sdk/
│ │ ├── src/
│ │ ├── package.json
│ │ └── tsconfig.json
│ ├── ui/
│ │ ├── public/
│ │ ├── src/
│ │ │ ├── panels/
│ │ │ ├── preview/
│ │ │ ├── state/
│ │ │ ├── machine/
│ │ │ └── files/
│ │ ├── package.json
│ │ └── index.html
│ └── opfs/
│ ├── file-service.js
│ ├── snapshot-store.js
│ └── path-model.js
├── tests/
│ ├── native/
│ │ ├── ini/
│ │ ├── params/
│ │ ├── interp/
│ │ ├── tp/
│ │ └── kinematics/
│ ├── wasm/
│ │ ├── node/
│ │ └── browser/
│ └── fixtures/
│ ├── ini/
│ ├── gcode/
│ ├── tools/
│ ├── params/
│ └── machines/
├── build/
│ ├── native/
│ └── wasm/
└── dist/
├── sdk/
└── web/
```
Directory intent:
- `vendor/linuxcnc/`: read-only copied LinuxCNC source selected for the port.
- `runtime/core/`: the standalone simulation engine built around vendored LinuxCNC code.
- `runtime/sdk/`: JavaScript/TypeScript API for calling the WASM engine.
Stable imports should come from `runtime/sdk/src/index.js`. SDK code may
adapt host/runtime edges, but G-code, tool, parameter, kinematics, and
planner behavior must remain in vendored LinuxCNC source.
- `runtime/ui/`: HTML + JavaScript CNC simulation frontend.
- `runtime/opfs/`: OPFS-backed persistence layer.
- `tests/fixtures/`: stable simulation inputs shared by native and browser tests.
- `build/` and `dist/`: generated outputs only; never hand-edited.
The presence of this directory means the port is managed independently of the
native LinuxCNC tree even though LinuxCNC remains the semantic source of truth.