继续按 align-linuxcnc 约束：补 M 码和刀具 native 覆盖，测试通过

结论：补齐 LinuxCNC interp_convert.cc convert_m()、convert_tool_select()、convert_tool_length_offset() 以及 interp_find.cc find_tool_index() 相关错误 fixture 的 native 校验；./test-native.sh 与 ./test-linuxcnc-source-link.sh 均通过，未扩展 smoke。

docs/linuxcnc-porting.md

@@ -194,16 +194,16 @@ This matrix tracks LinuxCNC feature coverage for the web/WASM simulator. A featu
 | Block-level axis/motion validation | covered through LinuxCNC native/source `enhance_block()` checks for invalid `G80` axes, missing `G52/G92` or motion axes, bare axes without active motion, and modal-0 axis consumers on motion blocks | `tests/gcode/linuxcnc_g80_axis_error.ngc`, `tests/gcode/linuxcnc_g52_missing_axis_error.ngc`, `tests/gcode/linuxcnc_g92_missing_axis_error.ngc`, `tests/gcode/linuxcnc_motion_missing_axis_error.ngc`, `tests/gcode/linuxcnc_axis_without_motion_error.ngc`, `tests/gcode/linuxcnc_motion_with_g92_axis_error.ngc` |
 | Predefined position moves `G28/G28.1`, `G30/G30.1` | covered for stored position, waypoint, selected-axis return, and all-axis return | `tests/gcode/linuxcnc_predefined_positions.ngc` |
 | Machine-coordinate move `G53` | covered for explicit/modal `G0`, `G1`, arc rejection, and incremental-mode rejection through LinuxCNC native/source backends | `tests/gcode/linuxcnc_machine_coordinates.ngc`, `tests/gcode/linuxcnc_g53_arc_error.ngc`, `tests/gcode/linuxcnc_g53_incremental_error.ngc` |
-| Tool select/change `T... M6` | covered with minimal native tooldata | `tests/gcode/basic_mill.ngc` |
+| Tool select/change `T... M6` | covered with minimal native tooldata, including native/source `find_tool_index()` rejection of missing `T...` and `M61 Q...` tools | `tests/gcode/basic_mill.ngc`, `tests/gcode/linuxcnc_t_missing_tool_error.ngc`, `tests/gcode/linuxcnc_m61_missing_tool_error.ngc` |
-| Tool length offset `G43/G43.1/G43.2/G49` | covered with nonzero tool-table offset, dynamic replacement, additive axis offsets, `G43.2 H...`, and clear through LinuxCNC native/source backends | `tests/gcode/linuxcnc_tool_length.ngc`, `tests/gcode/linuxcnc_dynamic_tool_length.ngc` |
+| Tool length offset `G43/G43.1/G43.2/G49` | covered with nonzero tool-table offset, dynamic replacement, additive axis offsets, `G43.2 H...`, clear, native/source missing-tool rejection, and native/source `G43.2` H/axis validation | `tests/gcode/linuxcnc_tool_length.ngc`, `tests/gcode/linuxcnc_dynamic_tool_length.ngc`, `tests/gcode/linuxcnc_g43_missing_tool_error.ngc`, `tests/gcode/linuxcnc_g43_2_missing_tool_error.ngc`, `tests/gcode/linuxcnc_g43_2_h_axis_error.ngc`, `tests/gcode/linuxcnc_g43_2_missing_h_axis_error.ngc` |
 | RTCP controls `G43.4/G43.5/G49` | covered as simulator-owned control lines | `tests/gcode/linuxcnc_rtcp_controls.ngc` |
 | Kinematics switch `M428/M429/M430` | covered as simulator-owned control lines | `tests/gcode/linuxcnc_rtcp_controls.ngc` |
-| Spindle, coolant, program stops, and current tool number `M3/M4/M5`, `M7/M8/M9`, `M0/M1/M60/M30`, `M61 Q...` | covered through LinuxCNC native/source backends, including source-linked `convert_m()` rejection of out-of-range `M3/M4/M5 $` spindle selectors and negative `M61 Q` | `tests/gcode/linuxcnc_spindle_direction.ngc`, `tests/gcode/linuxcnc_coolant.ngc`, `tests/gcode/linuxcnc_program_stops.ngc`, `tests/gcode/linuxcnc_tool_number.ngc`, `tests/gcode/linuxcnc_m3_spindle_dollar_out_of_range_error.ngc`, `tests/gcode/linuxcnc_m4_spindle_dollar_out_of_range_error.ngc`, `tests/gcode/linuxcnc_m5_spindle_dollar_out_of_range_error.ngc`, `tests/gcode/linuxcnc_m61_negative_q_error.ngc` |
+| Spindle, coolant, program stops, and current tool number `M3/M4/M5`, `M7/M8/M9`, `M0/M1/M60/M30`, `M61 Q...` | covered through LinuxCNC native/source backends, including native/source `convert_m()` rejection of out-of-range `M3/M4/M5 $` spindle selectors and negative `M61 Q` | `tests/gcode/linuxcnc_spindle_direction.ngc`, `tests/gcode/linuxcnc_coolant.ngc`, `tests/gcode/linuxcnc_program_stops.ngc`, `tests/gcode/linuxcnc_tool_number.ngc`, `tests/gcode/linuxcnc_m3_spindle_dollar_out_of_range_error.ngc`, `tests/gcode/linuxcnc_m4_spindle_dollar_out_of_range_error.ngc`, `tests/gcode/linuxcnc_m5_spindle_dollar_out_of_range_error.ngc`, `tests/gcode/linuxcnc_m61_negative_q_error.ngc` |
 | Spindle speed mode `G96/G97` | covered with Canon `SET_SPINDLE_MODE` preserved as mode state events, including `G96 D...` max-RPM value and native/source `check_other_codes()` rejection of missing `S` with `G96` | `tests/gcode/linuxcnc_spindle_modes.ngc`, `tests/gcode/linuxcnc_g96_missing_s_word_error.ngc` |
-| Spindle orientation `M19 R... P... Q...` | covered with Canon `ORIENT_SPINDLE` and `WAIT_SPINDLE_ORIENT_COMPLETE` preserved as temporary mode state events, including source-linked `check_other_codes()` validation for `P/R` words and `convert_m()` rejection of out-of-range `$` selectors and nonpositive `Q` waits | `tests/gcode/linuxcnc_spindle_orient.ngc`, `tests/gcode/linuxcnc_m19_spindle_dollar_out_of_range_error.ngc`, `tests/gcode/linuxcnc_m19_p_not_integer_error.ngc`, `tests/gcode/linuxcnc_m19_p_out_of_range_error.ngc`, `tests/gcode/linuxcnc_m19_r_out_of_range_error.ngc`, `tests/gcode/linuxcnc_m19_zero_q_error.ngc` |
+| Spindle orientation `M19 R... P... Q...` | covered with Canon `ORIENT_SPINDLE` and `WAIT_SPINDLE_ORIENT_COMPLETE` preserved as temporary mode state events, including native/source `check_other_codes()` validation for `P/R` words and `convert_m()` rejection of out-of-range `$` selectors and nonpositive `Q` waits | `tests/gcode/linuxcnc_spindle_orient.ngc`, `tests/gcode/linuxcnc_m19_spindle_dollar_out_of_range_error.ngc`, `tests/gcode/linuxcnc_m19_p_not_integer_error.ngc`, `tests/gcode/linuxcnc_m19_p_out_of_range_error.ngc`, `tests/gcode/linuxcnc_m19_r_out_of_range_error.ngc`, `tests/gcode/linuxcnc_m19_zero_q_error.ngc` |
 | Spindle-synchronized feed and threading `G33/G33.1/G76` | covered through smoke, LinuxCNC native, and source-linked paths with Canon `START_SPEED_FEED_SYNCH`/`STOP_SPEED_FEED_SYNCH` preserved, rigid-tap line numbers normalized, G76 multi-pass threading smoke-covered, native/source `check_other_codes()` validation for required/disallowed `K/F/P/I/J` words, and source-linked `convert_straight()`/`convert_threading_cycle()` rejection of invalid spindle state, spindle selector, rotary-axis motion, and G76 `I/J/K` geometry | `tests/gcode/linuxcnc_threading_sync.ngc`, `tests/gcode/linuxcnc_threading_cycle.ngc`, `tests/gcode/linuxcnc_g33_missing_k_word_error.ngc`, `tests/gcode/linuxcnc_g33_f_word_error.ngc`, `tests/gcode/linuxcnc_g33_1_missing_k_word_error.ngc`, `tests/gcode/linuxcnc_g33_1_f_word_error.ngc`, `tests/gcode/linuxcnc_g76_missing_p_word_error.ngc`, `tests/gcode/linuxcnc_g76_missing_i_word_error.ngc`, `tests/gcode/linuxcnc_g76_missing_j_word_error.ngc`, `tests/gcode/linuxcnc_g76_missing_k_word_error.ngc`, `tests/gcode/linuxcnc_g33_stopped_spindle_error.ngc`, `tests/gcode/linuxcnc_g33_1_stopped_spindle_error.ngc`, `tests/gcode/linuxcnc_g33_spindle_dollar_out_of_range_error.ngc`, `tests/gcode/linuxcnc_g33_1_spindle_dollar_out_of_range_error.ngc`, `tests/gcode/linuxcnc_g76_spindle_dollar_out_of_range_error.ngc`, `tests/gcode/linuxcnc_g76_stopped_spindle_error.ngc`, `tests/gcode/linuxcnc_g76_rotary_axis_error.ngc`, `tests/gcode/linuxcnc_g76_i_zero_error.ngc`, `tests/gcode/linuxcnc_g76_j_zero_error.ngc`, `tests/gcode/linuxcnc_g76_k_less_equal_j_error.ngc`, smoke API regression |
 | Lathe diameter/radius mode `G7/G8` | covered through LinuxCNC native/source backends for same-block X scaling, `G76` I/J/K threading geometry interaction, and `#<_lathe_diameter_mode>`/`#<_lathe_radius_mode>` readonly named-parameter state | `tests/gcode/linuxcnc_lathe_diameter_mode.ngc`, `tests/gcode/linuxcnc_lathe_diameter_g76.ngc` |
-| Digital/analog I/O `M62`-`M68` | covered with Canon digital output, analog output, and input wait callbacks preserved as temporary state events, including source-linked `convert_m()` validation for required `P`/`E`, M66 input selection, M66 wait timeout, and analog wait restrictions | `tests/gcode/linuxcnc_io_controls.ngc`, `tests/gcode/linuxcnc_m62_missing_p_word_error.ngc`, `tests/gcode/linuxcnc_m63_missing_p_word_error.ngc`, `tests/gcode/linuxcnc_m64_missing_p_word_error.ngc`, `tests/gcode/linuxcnc_m65_missing_p_word_error.ngc`, `tests/gcode/linuxcnc_m66_missing_input_error.ngc`, `tests/gcode/linuxcnc_m66_both_inputs_error.ngc`, `tests/gcode/linuxcnc_m66_zero_timeout_error.ngc`, `tests/gcode/linuxcnc_m66_analog_wait_error.ngc`, `tests/gcode/linuxcnc_m67_missing_e_word_error.ngc`, `tests/gcode/linuxcnc_m68_missing_e_word_error.ngc` |
+| Digital/analog I/O `M62`-`M68` | covered with Canon digital output, analog output, and input wait callbacks preserved as temporary state events, including native/source `convert_m()` validation for required `P`/`E`, M66 input selection, M66 wait timeout, and analog wait restrictions | `tests/gcode/linuxcnc_io_controls.ngc`, `tests/gcode/linuxcnc_m62_missing_p_word_error.ngc`, `tests/gcode/linuxcnc_m63_missing_p_word_error.ngc`, `tests/gcode/linuxcnc_m64_missing_p_word_error.ngc`, `tests/gcode/linuxcnc_m65_missing_p_word_error.ngc`, `tests/gcode/linuxcnc_m66_missing_input_error.ngc`, `tests/gcode/linuxcnc_m66_both_inputs_error.ngc`, `tests/gcode/linuxcnc_m66_zero_timeout_error.ngc`, `tests/gcode/linuxcnc_m66_analog_wait_error.ngc`, `tests/gcode/linuxcnc_m67_missing_e_word_error.ngc`, `tests/gcode/linuxcnc_m68_missing_e_word_error.ngc` |
 | Override controls `M48`-`M53` | covered with Canon feed override, spindle speed override, adaptive feed, and feed hold callbacks preserved as temporary state events | `tests/gcode/linuxcnc_override_controls.ngc` |
 | Modal state save/restore `M70`-`M73` | covered for main-program save/invalidate/restore plus O-word subroutine autorestore in smoke parser, with native/source regressions checking restored distance mode, units, and XY plane motion | `tests/gcode/linuxcnc_modal_state.ngc`, `tests/gcode/linuxcnc_modal_autorestore.ngc` |
 | LinuxCNC read-only named parameters | common modal/unit/feed/spindle reads are covered through LinuxCNC native/source backends, with additional ccomp/spindle-mode readonly reads source-linked | `tests/gcode/linuxcnc_readonly_named_parameters.ngc`, `tests/gcode/linuxcnc_readonly_named_parameters_extra.ngc`, `tests/gcode/linuxcnc_lathe_diameter_mode.ngc` |

test-linuxcnc-rs274-native.sh

@@ -136,6 +136,43 @@ CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linux
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_spindle_modes.ngc >"$output_dir/cnc_sim_linuxcnc_spindle_modes.json"
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_spindle_orient.ngc >"$output_dir/cnc_sim_linuxcnc_spindle_orient.json"
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_io_controls.ngc >"$output_dir/cnc_sim_linuxcnc_io_controls.json"
+# Source basis: LinuxCNC src/emc/rs274ngc/interp_convert.cc convert_m()
+# validates M62-M68 input/output words, M3/M4/M5/M19 spindle selectors, M61 Q
+# tool numbers, and M19 Q wait values before issuing Canon output/input, tool,
+# or spindle-orient calls. LinuxCNC src/emc/rs274ngc/interp_check.cc
+# check_other_codes() validates M19 P/R words before conversion.
+convert_m_error_cases=(
+    "linuxcnc_m3_spindle_dollar_out_of_range_error|Spindle (\$) number out of range in M3 Command"
+    "linuxcnc_m4_spindle_dollar_out_of_range_error|Spindle (\$) number out of range in M4 Command"
+    "linuxcnc_m5_spindle_dollar_out_of_range_error|Spindle (\$) number out of range in M5 Command"
+    "linuxcnc_m62_missing_p_word_error|No valid P word with M62"
+    "linuxcnc_m63_missing_p_word_error|No valid P word with M63"
+    "linuxcnc_m64_missing_p_word_error|No valid P word with M64"
+    "linuxcnc_m65_missing_p_word_error|No valid P word with M65"
+    "linuxcnc_m66_missing_input_error|Need to have either a valid P or a valid E word with M66"
+    "linuxcnc_m66_both_inputs_error|Invalid to select both a digital and an analog input with M66"
+    "linuxcnc_m66_zero_timeout_error|Zero timeout with wait type != immediate return"
+    "linuxcnc_m66_analog_wait_error|Can't select analog input with wait type != immediate return"
+    "linuxcnc_m67_missing_e_word_error|Invalid analog index with M67"
+    "linuxcnc_m68_missing_e_word_error|Invalid analog index with M68"
+    "linuxcnc_m19_spindle_dollar_out_of_range_error|Spindle (\$) number out of range in M19 Command"
+    "linuxcnc_m19_p_not_integer_error|P value not an integer with M19 G2 or G3"
+    "linuxcnc_m19_p_out_of_range_error|P value must be 0,1,or 2 with M19"
+    "linuxcnc_m19_r_out_of_range_error|R value must be within 0..360 with M19"
+    "linuxcnc_m19_zero_q_error|Q word with M19 requires a value > 0"
+    "linuxcnc_m61_negative_q_error|Need non-negative Q-word to specify tool number with M61"
+)
+for case in "${convert_m_error_cases[@]}"; do
+    fixture=${case%%|*}
+    expected=${case#*|}
+    if CNC_SIM_RS274_VAR="$var_file" \
+        "$build_dir/linuxcnc_rs274_dump" "tests/gcode/$fixture.ngc" \
+        >"$output_dir/cnc_sim_linuxcnc_$fixture.json" 2>"$output_dir/cnc_sim_linuxcnc_$fixture.err"; then
+        echo "expected $fixture.ngc to fail" >&2
+        exit 1
+    fi
+    grep -Fq "$expected" "$output_dir/cnc_sim_linuxcnc_$fixture.err"
+done
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_override_controls.ngc >"$output_dir/cnc_sim_linuxcnc_override_controls.json"
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_modal_state.ngc >"$output_dir/cnc_sim_linuxcnc_modal_state.json"
 CNC_SIM_RS274_FILE_MODE=1 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_modal_autorestore.ngc >"$output_dir/cnc_sim_linuxcnc_modal_autorestore.json"
@@ -344,12 +381,51 @@ CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linux
 CNC_SIM_RS274_FILE_MODE=1 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_lathe_diameter_mode.ngc >"$output_dir/cnc_sim_linuxcnc_lathe_diameter_mode.json"
 CNC_SIM_RS274_FILE_MODE=1 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_lathe_diameter_g76.ngc >"$output_dir/cnc_sim_linuxcnc_lathe_diameter_g76.json"
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_tool_number.ngc >"$output_dir/cnc_sim_linuxcnc_tool_number.json"
+# Source basis: LinuxCNC src/emc/rs274ngc/interp_convert.cc
+# convert_tool_select() and convert_m() M61 both route through
+# src/emc/rs274ngc/interp_find.cc find_tool_index() for tooldata lookup.
+tool_number_error_cases=(
+    "linuxcnc_t_missing_tool_error|Requested tool 99 not found in the tool table"
+    "linuxcnc_m61_missing_tool_error|Requested tool 99 not found in the tool table"
+)
+for case in "${tool_number_error_cases[@]}"; do
+    fixture=${case%%|*}
+    expected=${case#*|}
+    if CNC_SIM_RS274_VAR="$var_file" \
+        "$build_dir/linuxcnc_rs274_dump" "tests/gcode/$fixture.ngc" \
+        >"$output_dir/cnc_sim_linuxcnc_$fixture.json" 2>"$output_dir/cnc_sim_linuxcnc_$fixture.err"; then
+        echo "expected $fixture.ngc to fail" >&2
+        exit 1
+    fi
+    grep -Fq "$expected" "$output_dir/cnc_sim_linuxcnc_$fixture.err"
+done
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_program_stops.ngc >"$output_dir/cnc_sim_linuxcnc_program_stops.json"
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_coolant.ngc >"$output_dir/cnc_sim_linuxcnc_coolant.json"
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_feed_modes.ngc >"$output_dir/cnc_sim_linuxcnc_feed_modes.json"
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_motion_modes.ngc >"$output_dir/cnc_sim_linuxcnc_motion_modes.json"
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_tool_length.ngc >"$output_dir/cnc_sim_linuxcnc_tool_length.json"
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_dynamic_tool_length.ngc >"$output_dir/cnc_sim_linuxcnc_dynamic_tool_length.json"
+# Source basis: LinuxCNC src/emc/rs274ngc/interp_convert.cc
+# convert_tool_length_offset() rejects invalid G43.2 H/axis combinations,
+# and src/emc/rs274ngc/interp_find.cc find_tool_index() rejects H tool
+# numbers missing from the LinuxCNC tooldata table.
+tool_length_offset_error_cases=(
+    "linuxcnc_g43_missing_tool_error|Requested tool 99 not found in the tool table"
+    "linuxcnc_g43_2_missing_tool_error|Requested tool 99 not found in the tool table"
+    "linuxcnc_g43_2_h_axis_error|G43.2: Can not have both H and axis words"
+    "linuxcnc_g43_2_missing_h_axis_error|G43.2: No axes specified and H word missing"
+)
+for case in "${tool_length_offset_error_cases[@]}"; do
+    fixture=${case%%|*}
+    expected=${case#*|}
+    if CNC_SIM_RS274_VAR="$var_file" \
+        "$build_dir/linuxcnc_rs274_dump" "tests/gcode/$fixture.ngc" \
+        >"$output_dir/cnc_sim_linuxcnc_$fixture.json" 2>"$output_dir/cnc_sim_linuxcnc_$fixture.err"; then
+        echo "expected $fixture.ngc to fail" >&2
+        exit 1
+    fi
+    grep -Fq "$expected" "$output_dir/cnc_sim_linuxcnc_$fixture.err"
+done
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_canned_cycle.ngc >"$output_dir/cnc_sim_linuxcnc_canned_cycle.json"
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_canned_cycles_extended.ngc >"$output_dir/cnc_sim_linuxcnc_canned_cycles_extended.json"
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_canned_cycle_planes.ngc >"$output_dir/cnc_sim_linuxcnc_canned_cycle_planes.json"