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/if_hippi.h b/libc/kernel/uapi/linux/if_hippi.h
index 7bd0b16..a5eafc6 100644
--- a/libc/kernel/uapi/linux/if_hippi.h
+++ b/libc/kernel/uapi/linux/if_hippi.h
@@ -31,78 +31,75 @@
 #define HIPPI_UI_CMD 0x03
 struct hipnet_statistics {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int rx_packets;
- int tx_packets;
- int rx_errors;
- int tx_errors;
+  int rx_packets;
+  int tx_packets;
+  int rx_errors;
+  int tx_errors;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int rx_dropped;
- int tx_dropped;
- int rx_length_errors;
- int rx_over_errors;
+  int rx_dropped;
+  int tx_dropped;
+  int rx_length_errors;
+  int rx_over_errors;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int rx_crc_errors;
- int rx_frame_errors;
- int rx_fifo_errors;
- int rx_missed_errors;
+  int rx_crc_errors;
+  int rx_frame_errors;
+  int rx_fifo_errors;
+  int rx_missed_errors;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int tx_aborted_errors;
- int tx_carrier_errors;
- int tx_fifo_errors;
- int tx_heartbeat_errors;
+  int tx_aborted_errors;
+  int tx_carrier_errors;
+  int tx_fifo_errors;
+  int tx_heartbeat_errors;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int tx_window_errors;
+  int tx_window_errors;
 };
 struct hippi_fp_hdr {
- __be32 fixed;
+  __be32 fixed;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __be32 d2_size;
+  __be32 d2_size;
 } __attribute__((packed));
 struct hippi_le_hdr {
 #ifdef __BIG_ENDIAN_BITFIELD
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 fc:3;
- __u8 double_wide:1;
- __u8 message_type:4;
+  __u8 fc : 3;
+  __u8 double_wide : 1;
+  __u8 message_type : 4;
 #elif defined(__LITTLE_ENDIAN_BITFIELD)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 message_type:4;
- __u8 double_wide:1;
- __u8 fc:3;
+  __u8 message_type : 4;
+  __u8 double_wide : 1;
+  __u8 fc : 3;
 #endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 dest_switch_addr[3];
+  __u8 dest_switch_addr[3];
 #ifdef __BIG_ENDIAN_BITFIELD
- __u8 dest_addr_type:4,
- src_addr_type:4;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u8 dest_addr_type : 4, src_addr_type : 4;
 #elif defined(__LITTLE_ENDIAN_BITFIELD)
- __u8 src_addr_type:4,
- dest_addr_type:4;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+  __u8 src_addr_type : 4, dest_addr_type : 4;
 #endif
+  __u8 src_switch_addr[3];
+  __u16 reserved;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 src_switch_addr[3];
- __u16 reserved;
- __u8 daddr[HIPPI_ALEN];
- __u16 locally_administered;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 saddr[HIPPI_ALEN];
+  __u8 daddr[HIPPI_ALEN];
+  __u16 locally_administered;
+  __u8 saddr[HIPPI_ALEN];
 } __attribute__((packed));
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define HIPPI_OUI_LEN 3
 struct hippi_snap_hdr {
+  __u8 dsap;
+  __u8 ssap;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 dsap;
- __u8 ssap;
- __u8 ctrl;
- __u8 oui[HIPPI_OUI_LEN];
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __be16 ethertype;
+  __u8 ctrl;
+  __u8 oui[HIPPI_OUI_LEN];
+  __be16 ethertype;
 } __attribute__((packed));
-struct hippi_hdr {
- struct hippi_fp_hdr fp;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- struct hippi_le_hdr le;
- struct hippi_snap_hdr snap;
+struct hippi_hdr {
+  struct hippi_fp_hdr fp;
+  struct hippi_le_hdr le;
+  struct hippi_snap_hdr snap;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 } __attribute__((packed));
 #endif
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */