more bitfield

1 files changed, 12 insertions, 1 deletions

diff --git a/lib9p/types.gen b/lib9p/types.gen
index 1a2d45a..7d74558 100755
--- a/lib9p/types.gen
+++ b/lib9p/types.gen
@@ -343,8 +343,19 @@ enum {idprefix}version {{
     ret += f"const char *{idprefix}version_str(enum {idprefix}version);\n"
 
     ret += """
-/* non-message structs ********************************************************/
+/* non-message types **********************************************************/
 """
+    for bf in just_bitfields(typs):
+        ret += "\n"
+        ret += f"typedef uint{bf.static_size*8}_t {c_typename(idprefix, bf)};\n"
+        vals = dict([
+                *reversed([((k or f"_UNUSED_{v}"), f"1<<{v}") for (v, k) in enumerate(bf.bits)]),
+                *[(k, v) for (k, v) in bf.aliases.items() if v],
+        ])
+        namewidth = max(len(name) for name in vals)
+        for name, val in vals.items():
+            ret += f"#define {idprefix.upper()}{bf.name.upper()}_{name.ljust(namewidth)}  (({c_typename(idprefix, bf)})({val}))\n"
+
     for struct in just_structs_nonmsg(typs):
         all_the_same = len(struct.members) == 0 or all(
             m.ver == struct.members[0].ver for m in struct.members