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/mroute6.h b/libc/kernel/uapi/linux/mroute6.h
index c9f3164..8a3c363 100644
--- a/libc/kernel/uapi/linux/mroute6.h
+++ b/libc/kernel/uapi/linux/mroute6.h
@@ -23,30 +23,30 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MRT6_BASE 200
 #define MRT6_INIT (MRT6_BASE)
-#define MRT6_DONE (MRT6_BASE+1)
-#define MRT6_ADD_MIF (MRT6_BASE+2)
+#define MRT6_DONE (MRT6_BASE + 1)
+#define MRT6_ADD_MIF (MRT6_BASE + 2)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MRT6_DEL_MIF (MRT6_BASE+3)
-#define MRT6_ADD_MFC (MRT6_BASE+4)
-#define MRT6_DEL_MFC (MRT6_BASE+5)
-#define MRT6_VERSION (MRT6_BASE+6)
+#define MRT6_DEL_MIF (MRT6_BASE + 3)
+#define MRT6_ADD_MFC (MRT6_BASE + 4)
+#define MRT6_DEL_MFC (MRT6_BASE + 5)
+#define MRT6_VERSION (MRT6_BASE + 6)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MRT6_ASSERT (MRT6_BASE+7)
-#define MRT6_PIM (MRT6_BASE+8)
-#define MRT6_TABLE (MRT6_BASE+9)
-#define MRT6_ADD_MFC_PROXY (MRT6_BASE+10)
+#define MRT6_ASSERT (MRT6_BASE + 7)
+#define MRT6_PIM (MRT6_BASE + 8)
+#define MRT6_TABLE (MRT6_BASE + 9)
+#define MRT6_ADD_MFC_PROXY (MRT6_BASE + 10)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MRT6_DEL_MFC_PROXY (MRT6_BASE+11)
-#define MRT6_MAX (MRT6_BASE+11)
+#define MRT6_DEL_MFC_PROXY (MRT6_BASE + 11)
+#define MRT6_MAX (MRT6_BASE + 11)
 #define SIOCGETMIFCNT_IN6 SIOCPROTOPRIVATE
-#define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE+1)
+#define SIOCGETSGCNT_IN6 (SIOCPROTOPRIVATE + 1)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define SIOCGETRPF (SIOCPROTOPRIVATE+2)
+#define SIOCGETRPF (SIOCPROTOPRIVATE + 2)
 #define MAXMIFS 32
 typedef unsigned long mifbitmap_t;
 typedef unsigned short mifi_t;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define ALL_MIFS ((mifi_t)(-1))
+#define ALL_MIFS ((mifi_t) (- 1))
 #ifndef IF_SETSIZE
 #define IF_SETSIZE 256
 #endif
@@ -58,48 +58,48 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
 typedef struct if_set {
- if_mask ifs_bits[DIV_ROUND_UP(IF_SETSIZE, NIFBITS)];
+  if_mask ifs_bits[DIV_ROUND_UP(IF_SETSIZE, NIFBITS)];
 } if_set;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define IF_SET(n, p) ((p)->ifs_bits[(n)/NIFBITS] |= (1 << ((n) % NIFBITS)))
-#define IF_CLR(n, p) ((p)->ifs_bits[(n)/NIFBITS] &= ~(1 << ((n) % NIFBITS)))
-#define IF_ISSET(n, p) ((p)->ifs_bits[(n)/NIFBITS] & (1 << ((n) % NIFBITS)))
-#define IF_COPY(f, t) bcopy(f, t, sizeof(*(f)))
+#define IF_SET(n,p) ((p)->ifs_bits[(n) / NIFBITS] |= (1 << ((n) % NIFBITS)))
+#define IF_CLR(n,p) ((p)->ifs_bits[(n) / NIFBITS] &= ~(1 << ((n) % NIFBITS)))
+#define IF_ISSET(n,p) ((p)->ifs_bits[(n) / NIFBITS] & (1 << ((n) % NIFBITS)))
+#define IF_COPY(f,t) bcopy(f, t, sizeof(* (f)))
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define IF_ZERO(p) bzero(p, sizeof(*(p)))
+#define IF_ZERO(p) bzero(p, sizeof(* (p)))
 struct mif6ctl {
- mifi_t mif6c_mifi;
- unsigned char mif6c_flags;
+  mifi_t mif6c_mifi;
+  unsigned char mif6c_flags;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned char vifc_threshold;
- __u16 mif6c_pifi;
- unsigned int vifc_rate_limit;
+  unsigned char vifc_threshold;
+  __u16 mif6c_pifi;
+  unsigned int vifc_rate_limit;
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MIFF_REGISTER 0x1
 struct mf6cctl {
- struct sockaddr_in6 mf6cc_origin;
- struct sockaddr_in6 mf6cc_mcastgrp;
+  struct sockaddr_in6 mf6cc_origin;
+  struct sockaddr_in6 mf6cc_mcastgrp;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- mifi_t mf6cc_parent;
- struct if_set mf6cc_ifset;
+  mifi_t mf6cc_parent;
+  struct if_set mf6cc_ifset;
 };
 struct sioc_sg_req6 {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- struct sockaddr_in6 src;
- struct sockaddr_in6 grp;
- unsigned long pktcnt;
- unsigned long bytecnt;
+  struct sockaddr_in6 src;
+  struct sockaddr_in6 grp;
+  unsigned long pktcnt;
+  unsigned long bytecnt;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long wrong_if;
+  unsigned long wrong_if;
 };
 struct sioc_mif_req6 {
- mifi_t mifi;
+  mifi_t mifi;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long icount;
- unsigned long ocount;
- unsigned long ibytes;
- unsigned long obytes;
+  unsigned long icount;
+  unsigned long ocount;
+  unsigned long ibytes;
+  unsigned long obytes;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 struct mrt6msg {
@@ -107,12 +107,12 @@
 #define MRT6MSG_WRONGMIF 2
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MRT6MSG_WHOLEPKT 3
- __u8 im6_mbz;
- __u8 im6_msgtype;
- __u16 im6_mif;
+  __u8 im6_mbz;
+  __u8 im6_msgtype;
+  __u16 im6_mif;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 im6_pad;
- struct in6_addr im6_src, im6_dst;
+  __u32 im6_pad;
+  struct in6_addr im6_src, im6_dst;
 };
 #endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */