参考所有分组：补 G76 和 NURBS native 覆盖，测试通过

test-linuxcnc-rs274-native.sh

@@ -459,6 +459,7 @@ CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linux
 # #<_lathe_radius_mode>.
 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_FILE_MODE=1 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_g76only.ngc >"$output_dir/cnc_sim_linuxcnc_g76only.json"
 CNC_SIM_RS274_VAR="$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
@@ -563,6 +564,7 @@ grep -Fq "Cannot put an a in canned cycle" \
     "$output_dir/cnc_sim_linuxcnc_canned_cycle_reject_rotary_followup.err"
 CNC_SIM_RS274_VAR="$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 >"$output_dir/cnc_sim_linuxcnc_canned_cycle_planes.json"
+CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_extended_plane_cycle.ngc >"$output_dir/cnc_sim_linuxcnc_extended_plane_cycle.json"
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_arc_planes.ngc >"$output_dir/cnc_sim_linuxcnc_arc_planes.json"
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_arc_distance_modes.ngc >"$output_dir/cnc_sim_linuxcnc_arc_distance_modes.json"
 # Source basis: LinuxCNC src/emc/rs274ngc/interp_convert.cc convert_arc()
@@ -916,6 +918,8 @@ cp "$base_var_file" "$var_file"
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_g92_restore.ngc >"$output_dir/cnc_sim_linuxcnc_g92_restore.json"
 cp "$base_var_file" "$var_file"
 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_g52_offset.ngc >"$output_dir/cnc_sim_linuxcnc_g52_offset.json"
+CNC_SIM_RS274_FILE_MODE=1 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_g52_xz_nurbs.ngc >"$output_dir/cnc_sim_linuxcnc_g52_xz_nurbs.json"
+CNC_SIM_RS274_FILE_MODE=1 CNC_SIM_RS274_VAR="$var_file" "$build_dir/linuxcnc_rs274_dump" tests/gcode/linuxcnc_g62_xz_nurbs.ngc >"$output_dir/cnc_sim_linuxcnc_g62_xz_nurbs.json"
 CNC_SIM_RS274_NATIVE_OUTPUT_DIR="$output_dir" python3 - <<'PY'
 import json
 import os
@@ -1198,6 +1202,21 @@ if not any(
 ):
     raise SystemExit("missing G7 diameter-mode G76 taper sync pitch")
 
+g76only = load("cnc_sim_linuxcnc_g76only.json")
+if not any(
+    event["type"] == "comment" and
+    event["line"] == 8 and
+    event["reserved"] == 3301
+    for event in g76only
+):
+    raise SystemExit("missing native G76 speed-feed sync start in g76only fixture")
+if not any(
+    event["type"] == "program-end" and
+    event["line"] == 13
+    for event in g76only
+):
+    raise SystemExit("missing native G76-only program end")
+
 tool_number = load("cnc_sim_linuxcnc_tool_number.json")
 if not any(
     event["type"] == "tool-change" and
@@ -1442,6 +1461,31 @@ expected_plane_g87_sequence = [
 if plane_g87_sequence != expected_plane_g87_sequence:
     raise SystemExit(f"unexpected G19 G87 plane sequence: {plane_g87_sequence!r}")
 
+extended_plane_cycle = load("cnc_sim_linuxcnc_extended_plane_cycle.json")
+if not any(
+    event["type"] == "linear-feed" and
+    event["line"] == 3 and
+    event["end"]["u"] == 1 and
+    event["end"]["v"] == 2 and
+    event["end"]["w"] == -1
+    for event in extended_plane_cycle
+):
+    raise SystemExit("missing native G17.1 G81 feed along W depth axis")
+if not any(
+    event["type"] == "rapid" and
+    event["line"] == 3 and
+    event["end"]["u"] == 1 and
+    event["end"]["v"] == 2 and
+    event["end"]["w"] == 1
+    for event in extended_plane_cycle
+):
+    raise SystemExit("missing native G17.1 G81 retract to W R plane")
+if not any(
+    event["type"] == "set-plane" and event["line"] == 7 and event["plane"] == 171
+    for event in extended_plane_cycle
+):
+    raise SystemExit("missing native cutter-comp-active G17.1 plane selection")
+
 extended_cycle = load("cnc_sim_linuxcnc_canned_cycles_extended.json")
 if not any(
     event["type"] == "linear-feed" and
@@ -2434,6 +2478,30 @@ if g52_states != expected_g52_states:
     raise SystemExit(f"unexpected G52 shared offset sequence: {g52_states!r}")
 if not any(event["type"] == "program-end" and event["line"] == 7 for event in g52_offset):
     raise SystemExit("missing G52 offset program end line number")
+
+g52_xz_nurbs = load("cnc_sim_linuxcnc_g52_xz_nurbs.json")
+if not any(
+    event["type"] == "linear-feed" and
+    event["line"] == 6 and
+    event["plane"] == 18 and
+    event["end"]["x"] == 3 and
+    event["end"]["y"] == 0 and
+    event["end"]["z"] == 3
+    for event in g52_xz_nurbs
+):
+    raise SystemExit("missing native G18/XZ NURBS endpoint mapped to X/Z axes")
+
+g62_xz_nurbs = load("cnc_sim_linuxcnc_g62_xz_nurbs.json")
+if not any(
+    event["type"] == "linear-feed" and
+    event["line"] == 16 and
+    event["plane"] == 18 and
+    event["end"]["x"] == 100 and
+    event["end"]["y"] == 0 and
+    event["end"]["z"] == 10
+    for event in g62_xz_nurbs
+):
+    raise SystemExit("missing native G18/XZ G6.2 NURBS point mapped to X/Z axes")
 PY
 
 echo "linuxcnc rs274 native smoke passed"
@@ -2454,6 +2522,7 @@ echo "dumped $output_dir/cnc_sim_linuxcnc_threading_sync.json"
 echo "dumped $output_dir/cnc_sim_linuxcnc_threading_cycle.json"
 echo "dumped $output_dir/cnc_sim_linuxcnc_lathe_diameter_mode.json"
 echo "dumped $output_dir/cnc_sim_linuxcnc_lathe_diameter_g76.json"
+echo "dumped $output_dir/cnc_sim_linuxcnc_g76only.json"
 echo "dumped $output_dir/cnc_sim_linuxcnc_tool_number.json"
 echo "dumped $output_dir/cnc_sim_linuxcnc_program_stops.json"
 echo "dumped $output_dir/cnc_sim_linuxcnc_coolant.json"
@@ -2464,6 +2533,7 @@ echo "dumped $output_dir/cnc_sim_linuxcnc_dynamic_tool_length.json"
 echo "dumped $output_dir/cnc_sim_linuxcnc_canned_cycle.json"
 echo "dumped $output_dir/cnc_sim_linuxcnc_canned_cycles_extended.json"
 echo "dumped $output_dir/cnc_sim_linuxcnc_canned_cycle_planes.json"
+echo "dumped $output_dir/cnc_sim_linuxcnc_extended_plane_cycle.json"
 echo "dumped $output_dir/cnc_sim_linuxcnc_arc_planes.json"
 echo "dumped $output_dir/cnc_sim_linuxcnc_arc_distance_modes.json"
 echo "dumped $output_dir/cnc_sim_linuxcnc_arc_center_tolerance_good_imperial.json"
@@ -2514,3 +2584,5 @@ echo "dumped $output_dir/cnc_sim_linuxcnc_coordinate_p0.json"
 echo "dumped $output_dir/cnc_sim_linuxcnc_coordinate_select_all.json"
 echo "dumped $output_dir/cnc_sim_linuxcnc_g92_restore.json"
 echo "dumped $output_dir/cnc_sim_linuxcnc_g52_offset.json"
+echo "dumped $output_dir/cnc_sim_linuxcnc_g52_xz_nurbs.json"
+echo "dumped $output_dir/cnc_sim_linuxcnc_g62_xz_nurbs.json"