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/genetlink.h b/libc/kernel/uapi/linux/genetlink.h
index c069efd..5daa4a6 100644
--- a/libc/kernel/uapi/linux/genetlink.h
+++ b/libc/kernel/uapi/linux/genetlink.h
@@ -26,9 +26,9 @@
 #define GENL_MAX_ID 1023
 struct genlmsghdr {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 cmd;
- __u8 version;
- __u16 reserved;
+  __u8 cmd;
+  __u8 version;
+  __u16 reserved;
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define GENL_HDRLEN NLMSG_ALIGN(sizeof(struct genlmsghdr))
@@ -43,52 +43,52 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define GENL_ID_PMCRAID (NLMSG_MIN_TYPE + 2)
 enum {
- CTRL_CMD_UNSPEC,
- CTRL_CMD_NEWFAMILY,
+  CTRL_CMD_UNSPEC,
+  CTRL_CMD_NEWFAMILY,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- CTRL_CMD_DELFAMILY,
- CTRL_CMD_GETFAMILY,
- CTRL_CMD_NEWOPS,
- CTRL_CMD_DELOPS,
+  CTRL_CMD_DELFAMILY,
+  CTRL_CMD_GETFAMILY,
+  CTRL_CMD_NEWOPS,
+  CTRL_CMD_DELOPS,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- CTRL_CMD_GETOPS,
- CTRL_CMD_NEWMCAST_GRP,
- CTRL_CMD_DELMCAST_GRP,
- CTRL_CMD_GETMCAST_GRP,
+  CTRL_CMD_GETOPS,
+  CTRL_CMD_NEWMCAST_GRP,
+  CTRL_CMD_DELMCAST_GRP,
+  CTRL_CMD_GETMCAST_GRP,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __CTRL_CMD_MAX,
+  __CTRL_CMD_MAX,
 };
 #define CTRL_CMD_MAX (__CTRL_CMD_MAX - 1)
 enum {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- CTRL_ATTR_UNSPEC,
- CTRL_ATTR_FAMILY_ID,
- CTRL_ATTR_FAMILY_NAME,
- CTRL_ATTR_VERSION,
+  CTRL_ATTR_UNSPEC,
+  CTRL_ATTR_FAMILY_ID,
+  CTRL_ATTR_FAMILY_NAME,
+  CTRL_ATTR_VERSION,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- CTRL_ATTR_HDRSIZE,
- CTRL_ATTR_MAXATTR,
- CTRL_ATTR_OPS,
- CTRL_ATTR_MCAST_GROUPS,
+  CTRL_ATTR_HDRSIZE,
+  CTRL_ATTR_MAXATTR,
+  CTRL_ATTR_OPS,
+  CTRL_ATTR_MCAST_GROUPS,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __CTRL_ATTR_MAX,
+  __CTRL_ATTR_MAX,
 };
 #define CTRL_ATTR_MAX (__CTRL_ATTR_MAX - 1)
 enum {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- CTRL_ATTR_OP_UNSPEC,
- CTRL_ATTR_OP_ID,
- CTRL_ATTR_OP_FLAGS,
- __CTRL_ATTR_OP_MAX,
+  CTRL_ATTR_OP_UNSPEC,
+  CTRL_ATTR_OP_ID,
+  CTRL_ATTR_OP_FLAGS,
+  __CTRL_ATTR_OP_MAX,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #define CTRL_ATTR_OP_MAX (__CTRL_ATTR_OP_MAX - 1)
 enum {
- CTRL_ATTR_MCAST_GRP_UNSPEC,
+  CTRL_ATTR_MCAST_GRP_UNSPEC,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- CTRL_ATTR_MCAST_GRP_NAME,
- CTRL_ATTR_MCAST_GRP_ID,
- __CTRL_ATTR_MCAST_GRP_MAX,
+  CTRL_ATTR_MCAST_GRP_NAME,
+  CTRL_ATTR_MCAST_GRP_ID,
+  __CTRL_ATTR_MCAST_GRP_MAX,
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CTRL_ATTR_MCAST_GRP_MAX (__CTRL_ATTR_MCAST_GRP_MAX - 1)