Switch kernel header parsing to python libclang

Replace the tokenizer in cpp.py with libclang.

Bug: 18937958
Change-Id: I27630904c6d2849418cd5ca3d3c612ec3078686d
diff --git a/libc/kernel/uapi/linux/nfs.h b/libc/kernel/uapi/linux/nfs.h
index 9b63484..27083a2 100644
--- a/libc/kernel/uapi/linux/nfs.h
+++ b/libc/kernel/uapi/linux/nfs.h
@@ -28,7 +28,7 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define NFS_FHSIZE 32
 #define NFS_COOKIESIZE 4
-#define NFS_FIFO_DEV (-1)
+#define NFS_FIFO_DEV (- 1)
 #define NFSMODE_FMT 0170000
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define NFSMODE_DIR 0040000
@@ -44,111 +44,111 @@
 #define NFS_MNT_VERSION 1
 #define NFS_MNT3_VERSION 3
 #define NFS_PIPE_DIRNAME "nfs"
- enum nfs_stat {
+enum nfs_stat {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFS_OK = 0,
- NFSERR_PERM = 1,
- NFSERR_NOENT = 2,
- NFSERR_IO = 5,
+  NFS_OK = 0,
+  NFSERR_PERM = 1,
+  NFSERR_NOENT = 2,
+  NFSERR_IO = 5,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_NXIO = 6,
- NFSERR_EAGAIN = 11,
- NFSERR_ACCES = 13,
- NFSERR_EXIST = 17,
+  NFSERR_NXIO = 6,
+  NFSERR_EAGAIN = 11,
+  NFSERR_ACCES = 13,
+  NFSERR_EXIST = 17,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_XDEV = 18,
- NFSERR_NODEV = 19,
- NFSERR_NOTDIR = 20,
- NFSERR_ISDIR = 21,
+  NFSERR_XDEV = 18,
+  NFSERR_NODEV = 19,
+  NFSERR_NOTDIR = 20,
+  NFSERR_ISDIR = 21,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_INVAL = 22,
- NFSERR_FBIG = 27,
- NFSERR_NOSPC = 28,
- NFSERR_ROFS = 30,
+  NFSERR_INVAL = 22,
+  NFSERR_FBIG = 27,
+  NFSERR_NOSPC = 28,
+  NFSERR_ROFS = 30,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_MLINK = 31,
- NFSERR_OPNOTSUPP = 45,
- NFSERR_NAMETOOLONG = 63,
- NFSERR_NOTEMPTY = 66,
+  NFSERR_MLINK = 31,
+  NFSERR_OPNOTSUPP = 45,
+  NFSERR_NAMETOOLONG = 63,
+  NFSERR_NOTEMPTY = 66,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_DQUOT = 69,
- NFSERR_STALE = 70,
- NFSERR_REMOTE = 71,
- NFSERR_WFLUSH = 99,
+  NFSERR_DQUOT = 69,
+  NFSERR_STALE = 70,
+  NFSERR_REMOTE = 71,
+  NFSERR_WFLUSH = 99,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_BADHANDLE = 10001,
- NFSERR_NOT_SYNC = 10002,
- NFSERR_BAD_COOKIE = 10003,
- NFSERR_NOTSUPP = 10004,
+  NFSERR_BADHANDLE = 10001,
+  NFSERR_NOT_SYNC = 10002,
+  NFSERR_BAD_COOKIE = 10003,
+  NFSERR_NOTSUPP = 10004,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_TOOSMALL = 10005,
- NFSERR_SERVERFAULT = 10006,
- NFSERR_BADTYPE = 10007,
- NFSERR_JUKEBOX = 10008,
+  NFSERR_TOOSMALL = 10005,
+  NFSERR_SERVERFAULT = 10006,
+  NFSERR_BADTYPE = 10007,
+  NFSERR_JUKEBOX = 10008,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_SAME = 10009,
- NFSERR_DENIED = 10010,
- NFSERR_EXPIRED = 10011,
- NFSERR_LOCKED = 10012,
+  NFSERR_SAME = 10009,
+  NFSERR_DENIED = 10010,
+  NFSERR_EXPIRED = 10011,
+  NFSERR_LOCKED = 10012,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_GRACE = 10013,
- NFSERR_FHEXPIRED = 10014,
- NFSERR_SHARE_DENIED = 10015,
- NFSERR_WRONGSEC = 10016,
+  NFSERR_GRACE = 10013,
+  NFSERR_FHEXPIRED = 10014,
+  NFSERR_SHARE_DENIED = 10015,
+  NFSERR_WRONGSEC = 10016,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_CLID_INUSE = 10017,
- NFSERR_RESOURCE = 10018,
- NFSERR_MOVED = 10019,
- NFSERR_NOFILEHANDLE = 10020,
+  NFSERR_CLID_INUSE = 10017,
+  NFSERR_RESOURCE = 10018,
+  NFSERR_MOVED = 10019,
+  NFSERR_NOFILEHANDLE = 10020,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_MINOR_VERS_MISMATCH = 10021,
- NFSERR_STALE_CLIENTID = 10022,
- NFSERR_STALE_STATEID = 10023,
- NFSERR_OLD_STATEID = 10024,
+  NFSERR_MINOR_VERS_MISMATCH = 10021,
+  NFSERR_STALE_CLIENTID = 10022,
+  NFSERR_STALE_STATEID = 10023,
+  NFSERR_OLD_STATEID = 10024,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_BAD_STATEID = 10025,
- NFSERR_BAD_SEQID = 10026,
- NFSERR_NOT_SAME = 10027,
- NFSERR_LOCK_RANGE = 10028,
+  NFSERR_BAD_STATEID = 10025,
+  NFSERR_BAD_SEQID = 10026,
+  NFSERR_NOT_SAME = 10027,
+  NFSERR_LOCK_RANGE = 10028,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_SYMLINK = 10029,
- NFSERR_RESTOREFH = 10030,
- NFSERR_LEASE_MOVED = 10031,
- NFSERR_ATTRNOTSUPP = 10032,
+  NFSERR_SYMLINK = 10029,
+  NFSERR_RESTOREFH = 10030,
+  NFSERR_LEASE_MOVED = 10031,
+  NFSERR_ATTRNOTSUPP = 10032,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_NO_GRACE = 10033,
- NFSERR_RECLAIM_BAD = 10034,
- NFSERR_RECLAIM_CONFLICT = 10035,
- NFSERR_BAD_XDR = 10036,
+  NFSERR_NO_GRACE = 10033,
+  NFSERR_RECLAIM_BAD = 10034,
+  NFSERR_RECLAIM_CONFLICT = 10035,
+  NFSERR_BAD_XDR = 10036,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_LOCKS_HELD = 10037,
- NFSERR_OPENMODE = 10038,
- NFSERR_BADOWNER = 10039,
- NFSERR_BADCHAR = 10040,
+  NFSERR_LOCKS_HELD = 10037,
+  NFSERR_OPENMODE = 10038,
+  NFSERR_BADOWNER = 10039,
+  NFSERR_BADCHAR = 10040,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_BADNAME = 10041,
- NFSERR_BAD_RANGE = 10042,
- NFSERR_LOCK_NOTSUPP = 10043,
- NFSERR_OP_ILLEGAL = 10044,
+  NFSERR_BADNAME = 10041,
+  NFSERR_BAD_RANGE = 10042,
+  NFSERR_LOCK_NOTSUPP = 10043,
+  NFSERR_OP_ILLEGAL = 10044,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSERR_DEADLOCK = 10045,
- NFSERR_FILE_OPEN = 10046,
- NFSERR_ADMIN_REVOKED = 10047,
- NFSERR_CB_PATH_DOWN = 10048,
+  NFSERR_DEADLOCK = 10045,
+  NFSERR_FILE_OPEN = 10046,
+  NFSERR_ADMIN_REVOKED = 10047,
+  NFSERR_CB_PATH_DOWN = 10048,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 enum nfs_ftype {
- NFNON = 0,
- NFREG = 1,
+  NFNON = 0,
+  NFREG = 1,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFDIR = 2,
- NFBLK = 3,
- NFCHR = 4,
- NFLNK = 5,
+  NFDIR = 2,
+  NFBLK = 3,
+  NFCHR = 4,
+  NFLNK = 5,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NFSOCK = 6,
- NFBAD = 7,
- NFFIFO = 8
+  NFSOCK = 6,
+  NFBAD = 7,
+  NFFIFO = 8
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif