f36e2a96c4
结论：按 LinuxCNC src/emc/pythonplugin/python_plugin.cc 的 status < PLUGIN_OK 分支，补齐 WASM PythonPlugin shim 的 call/call_method 负状态短路探针；保持 Python 执行禁用，不扩展 smoke 解析。
50 lines
3.5 KiB
Markdown
50 lines
3.5 KiB
Markdown
# LinuxCNC WASM shims source map
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This map records the source basis for the C++ sources in the
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CMake `linuxcnc_wasm_safe_probe_shims` set. It is a build/source-link guard
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only; it must not add CNC behavior and must not expand the temporary smoke parser.
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## Generated Coverage
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| Output | Count | Source coverage role |
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| --- | ---: | --- |
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| CMake `linuxcnc_wasm_safe_probe_shims` sources | 11 | Browser-safe LinuxCNC adaptation shims linked into WASM source probes. |
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## Shim Map
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| Shim | LinuxCNC source basis | Boundary |
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| --- | --- | --- |
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| `core/wasm_shims/dlfcn.cc` | `src/emc/rs274ngc/interp_base.cc` | Satisfies native `dlopen` symbols for browser-safe probes. |
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| `core/wasm_shims/emc_status_shim.cc` | `src/emc/sai/dummyemcstat.cc` | Provides the source-backed `emcStatus` singleton shape without task/NML startup. |
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| `core/wasm_shims/gettext_shim.cc` | `src/emc/rs274ngc/interp_internal.hh` | Preserves LinuxCNC diagnostic call sites without browser gettext catalogs. |
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| `core/wasm_shims/linuxcnc_runtime_shim.cc` | `src/emc/rs274ngc/gcodemodule.cc`, `src/emc/task/emctaskmain.cc`, `src/emc/task/taskclass.cc`, `src/emc/rs274ngc/interp_namedparams.cc`, `src/hal/hal_lib.c`, `src/emc/rs274ngc/rs274ngc_pre.cc` | Keeps preview/task, builtin Python module, HAL lookup, and `wordexp()` edges compile-safe. |
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| `core/wasm_shims/nml_status_shim.cc` | `src/libnml/nml/nmlmsg.cc`, `src/libnml/nml/stat_msg.cc` | Provides NML status constructors needed by source-linked EMC status objects. |
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| `core/wasm_shims/python_c_api_shim.cc` | `src/emc/rs274ngc/interp_python.cc`, `src/emc/rs274ngc/interp_namedparams.cc`, `src/emc/rs274ngc/gcodemodule.cc`, `src/emc/pythonplugin/python_plugin.cc` | Satisfies Python C API symbols while Python/Boost.Python remap paths remain tracked blockers. |
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| `core/wasm_shims/rcs_print_shim.cc` | `src/libnml/rcs/rcs_print.cc` | Provides LinuxCNC RCS print diagnostics used by NML validation. |
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| `core/wasm_shims/rtapi_compat.cc` | `src/rtapi/uspace_common.h`, `src/rtapi/rtapi.h` | Provides userspace RTAPI formatting declarations used by RS274/NML code. |
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| `core/wasm_shims/tooldata/tooldata_mmap_backend.cc` | `src/emc/tooldata/tooldata_mmap.cc` | Replaces native mmap storage with an in-memory WASM-safe backend for probes. |
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| `core/wasm_shims/tooldata/tooldata_runtime_stubs.cc` | `src/emc/tooldata/tooldata_nml.cc`, `src/emc/tooldata/tooldata_db.cc` | Satisfies NML and external tool database entry points without native services, preserving inactive-DB return values. |
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| `core/wasm_shims/pythonplugin/python_plugin.cc` | `src/emc/pythonplugin/python_plugin.cc`, `src/emc/pythonplugin/python_plugin.hh` | Keeps LinuxCNC PythonPlugin API and negative-status short-circuit behavior available while Python execution is disabled for browser-safe probes. |
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## Boundaries
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- The CMake `linuxcnc_wasm_safe_probe_shims` set and `list-linuxcnc-wasm-safe-shims.sh` must stay synchronized.
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- Each shim source must keep a nearby `LinuxCNC source basis:` comment naming the LinuxCNC source it adapts.
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- Every LinuxCNC source named above must remain tracked in the RS274/WASM manifest as `core`, `header`, or `metadata`.
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- These shims are browser-safe LinuxCNC adaptations for source-link probes; they are not new interpreter behavior.
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## Checks
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Run:
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```bash
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./check-linuxcnc-wasm-shims-source-map.sh
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./test-linuxcnc-wasm-cmake-safe-probe.sh
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./test-native.sh
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./test-linuxcnc-source-link.sh
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```
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`check-linuxcnc-wasm-shims-source-map.sh` keeps this document, the CMake shim
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set, `list-linuxcnc-wasm-safe-shims.sh`, LinuxCNC source anchors, and the
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RS274/WASM manifest synchronized.
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