sync tool: a case is cut at its own break, and the gripper's answer function is recognised

The gripper command's handler has a break inside a loop, which cut the extracted case short: its empty (0-byte)
form and its answer, Respond_Gripper_data_pack, were missing from the generated reference.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

Author: PCrnjak

docs/includes/generated/firmware_facts.json

@@ -63,9 +63,12 @@
    "IN_GRIPPER_DATA_PACK": {
     "empty": false,
     "lengths": [
+     0,
      5
     ],
-    "responds": []
+    "responds": [
+     "Gripper_pack_data"
+    ]
    },
    "IN_IDLE": {
     "empty": false,

tools/sync_firmware.py

@@ -122,7 +122,7 @@ def uart_handlers(communication_cpp: str) -> list[dict]:
 DEFINE = re.compile(r"^#define[ \t]+((?:IN_|OUT_|OUT_IN_)[A-Z0-9_]+|HEARTBEAT_SETUP)[ \t]+(\d+)[ \t]*(?://[ \t]*(.*))?$", re.M)
 CASE = re.compile(r"case\s+([A-Z0-9_]+)\s*:")
 LEN = re.compile(r"CAN_RX_msg\.len\s*==\s*(\d+)")
-RESPONSE_FN = re.compile(r"\b([A-Z][A-Za-z_0-9]*(?:_CAN|_response|_pack))\(\)\s*;")
+RESPONSE_FN = re.compile(r"\b([A-Z][A-Za-z_0-9]*(?:_CAN|_response|_pack|_pack_data))\(\)\s*;")
 TX_FN = re.compile(r"^void\s+(\w+)\s*\(\s*\)\s*\{", re.M)
 TX_LEN = re.compile(r"CAN_TX_msg\.len\s*=\s*(\d+)")
 TX_ID = re.compile(r"Combine_2_CAN_ID\([^,]+,\s*([A-Z0-9_]+)")
@@ -140,7 +140,12 @@ def can_handlers(communication_can_cpp: str) -> dict[str, dict]:
     for i, m in enumerate(matches):
         end = matches[i + 1].start() if i + 1 < len(matches) else len(text)
         block = text[m.start():end]
-        body = block.split("break;")[0]
+        # up to the case's own `break;`: the first one that is not inside a loop or an if of the handler
+        body = block
+        for bm in re.finditer(r"break;", block):
+            if block[:bm.start()].count("{") - block[:bm.start()].count("}") <= 1:
+                body = block[:bm.start()]
+                break
         out[m.group(1)] = {"lengths": sorted({int(x) for x in LEN.findall(body)}),
                            "responds": list(dict.fromkeys(RESPONSE_FN.findall(body))),
                            "empty": body.strip().count("\n") <= 1}