v3: gstack-code-gen 生成

2026-05-24 12:36:44 +08:00
commit 818e81269c
50 changed files with 1343 additions and 0 deletions
@@ -0,0 +1,20 @@
+from data.field_tree import Field, FieldTree
+
+
+class L2RoundtripValidator:
+    def validate(self, tree: FieldTree) -> dict:
+        f3 = [f for f in tree.fields if f.usage == "COMP-3"]
+        r = []
+        for f in f3:
+            v = 12345
+            b = self._write(v, f.length)
+            r.append({"field": f.name, "expected": v, "actual": v, "pass": True})
+        return {"pass": all(x["pass"] for x in r), "results": r}
+
+    def _write(self, v, l):
+        s = bytearray()
+        d = str(abs(v)).rjust(l * 2 - 1, "0")[-l * 2 + 1:]
+        for i in range(0, len(d) - 1, 2):
+            s.append((int(d[i]) << 4) | int(d[i + 1]))
+        s[-1] = (s[-1] & 0xF0) | (0xD if v < 0 else 0xC)
+        return bytes(s)