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/scsi/scsi_netlink.h b/libc/kernel/uapi/scsi/scsi_netlink.h
index b04f464..dbc3c99 100644
--- a/libc/kernel/uapi/scsi/scsi_netlink.h
+++ b/libc/kernel/uapi/scsi/scsi_netlink.h
@@ -22,16 +22,16 @@
 #include <linux/types.h>
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SCSI_TRANSPORT_MSG NLMSG_MIN_TYPE + 1
-#define SCSI_NL_GRP_FC_EVENTS (1<<2)
+#define SCSI_NL_GRP_FC_EVENTS (1 << 2)
 #define SCSI_NL_GRP_CNT 3
 struct scsi_nl_hdr {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- uint8_t version;
- uint8_t transport;
- uint16_t magic;
- uint16_t msgtype;
+  uint8_t version;
+  uint8_t transport;
+  uint16_t magic;
+  uint16_t msgtype;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- uint16_t msglen;
+  uint16_t msglen;
 } __attribute__((aligned(sizeof(uint64_t))));
 #define SCSI_NL_VERSION 1
 #define SCSI_NL_MAGIC 0xA1B2
@@ -43,17 +43,17 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SCSI_NL_MSGALIGN(len) (((len) + 7) & ~7)
 struct scsi_nl_host_vendor_msg {
- struct scsi_nl_hdr snlh;
- uint64_t vendor_id;
+  struct scsi_nl_hdr snlh;
+  uint64_t vendor_id;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- uint16_t host_no;
- uint16_t vmsg_datalen;
+  uint16_t host_no;
+  uint16_t vmsg_datalen;
 } __attribute__((aligned(sizeof(uint64_t))));
 #define SCSI_NL_VID_TYPE_SHIFT 56
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define SCSI_NL_VID_TYPE_MASK ((__u64)0xFF << SCSI_NL_VID_TYPE_SHIFT)
-#define SCSI_NL_VID_TYPE_PCI ((__u64)0x01 << SCSI_NL_VID_TYPE_SHIFT)
-#define SCSI_NL_VID_ID_MASK (~ SCSI_NL_VID_TYPE_MASK)
-#define INIT_SCSI_NL_HDR(hdr, t, mtype, mlen)   {   (hdr)->version = SCSI_NL_VERSION;   (hdr)->transport = t;   (hdr)->magic = SCSI_NL_MAGIC;   (hdr)->msgtype = mtype;   (hdr)->msglen = mlen;   }
+#define SCSI_NL_VID_TYPE_MASK ((__u64) 0xFF << SCSI_NL_VID_TYPE_SHIFT)
+#define SCSI_NL_VID_TYPE_PCI ((__u64) 0x01 << SCSI_NL_VID_TYPE_SHIFT)
+#define SCSI_NL_VID_ID_MASK (~SCSI_NL_VID_TYPE_MASK)
+#define INIT_SCSI_NL_HDR(hdr,t,mtype,mlen) { (hdr)->version = SCSI_NL_VERSION; (hdr)->transport = t; (hdr)->magic = SCSI_NL_MAGIC; (hdr)->msgtype = mtype; (hdr)->msglen = mlen; }
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif