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/packet_diag.h b/libc/kernel/uapi/linux/packet_diag.h
index 8a1b1da..5f5969b 100644
--- a/libc/kernel/uapi/linux/packet_diag.h
+++ b/libc/kernel/uapi/linux/packet_diag.h
@@ -21,13 +21,13 @@
 #include <linux/types.h>
 struct packet_diag_req {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 sdiag_family;
- __u8 sdiag_protocol;
- __u16 pad;
- __u32 pdiag_ino;
+  __u8 sdiag_family;
+  __u8 sdiag_protocol;
+  __u16 pad;
+  __u32 pdiag_ino;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 pdiag_show;
- __u32 pdiag_cookie[2];
+  __u32 pdiag_show;
+  __u32 pdiag_cookie[2];
 };
 #define PACKET_SHOW_INFO 0x00000001
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
@@ -38,37 +38,37 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PACKET_SHOW_FILTER 0x00000020
 struct packet_diag_msg {
- __u8 pdiag_family;
- __u8 pdiag_type;
+  __u8 pdiag_family;
+  __u8 pdiag_type;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u16 pdiag_num;
- __u32 pdiag_ino;
- __u32 pdiag_cookie[2];
+  __u16 pdiag_num;
+  __u32 pdiag_ino;
+  __u32 pdiag_cookie[2];
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 enum {
- PACKET_DIAG_INFO,
- PACKET_DIAG_MCLIST,
- PACKET_DIAG_RX_RING,
+  PACKET_DIAG_INFO,
+  PACKET_DIAG_MCLIST,
+  PACKET_DIAG_RX_RING,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PACKET_DIAG_TX_RING,
- PACKET_DIAG_FANOUT,
- PACKET_DIAG_UID,
- PACKET_DIAG_MEMINFO,
+  PACKET_DIAG_TX_RING,
+  PACKET_DIAG_FANOUT,
+  PACKET_DIAG_UID,
+  PACKET_DIAG_MEMINFO,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PACKET_DIAG_FILTER,
- __PACKET_DIAG_MAX,
+  PACKET_DIAG_FILTER,
+  __PACKET_DIAG_MAX,
 };
 #define PACKET_DIAG_MAX (__PACKET_DIAG_MAX - 1)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct packet_diag_info {
- __u32 pdi_index;
- __u32 pdi_version;
- __u32 pdi_reserve;
+  __u32 pdi_index;
+  __u32 pdi_version;
+  __u32 pdi_reserve;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 pdi_copy_thresh;
- __u32 pdi_tstamp;
- __u32 pdi_flags;
+  __u32 pdi_copy_thresh;
+  __u32 pdi_tstamp;
+  __u32 pdi_flags;
 #define PDI_RUNNING 0x1
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PDI_AUXDATA 0x2
@@ -78,23 +78,23 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 struct packet_diag_mclist {
- __u32 pdmc_index;
- __u32 pdmc_count;
+  __u32 pdmc_index;
+  __u32 pdmc_count;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u16 pdmc_type;
- __u16 pdmc_alen;
- __u8 pdmc_addr[MAX_ADDR_LEN];
+  __u16 pdmc_type;
+  __u16 pdmc_alen;
+  __u8 pdmc_addr[MAX_ADDR_LEN];
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct packet_diag_ring {
- __u32 pdr_block_size;
- __u32 pdr_block_nr;
- __u32 pdr_frame_size;
+  __u32 pdr_block_size;
+  __u32 pdr_block_nr;
+  __u32 pdr_frame_size;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 pdr_frame_nr;
- __u32 pdr_retire_tmo;
- __u32 pdr_sizeof_priv;
- __u32 pdr_features;
+  __u32 pdr_frame_nr;
+  __u32 pdr_retire_tmo;
+  __u32 pdr_sizeof_priv;
+  __u32 pdr_features;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #endif