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/unix_diag.h b/libc/kernel/uapi/linux/unix_diag.h
index 475583e..ff2138e 100644
--- a/libc/kernel/uapi/linux/unix_diag.h
+++ b/libc/kernel/uapi/linux/unix_diag.h
@@ -21,14 +21,14 @@
 #include <linux/types.h>
 struct unix_diag_req {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 sdiag_family;
- __u8 sdiag_protocol;
- __u16 pad;
- __u32 udiag_states;
+  __u8 sdiag_family;
+  __u8 sdiag_protocol;
+  __u16 pad;
+  __u32 udiag_states;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 udiag_ino;
- __u32 udiag_show;
- __u32 udiag_cookie[2];
+  __u32 udiag_ino;
+  __u32 udiag_show;
+  __u32 udiag_cookie[2];
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define UDIAG_SHOW_NAME 0x00000001
@@ -39,37 +39,37 @@
 #define UDIAG_SHOW_RQLEN 0x00000010
 #define UDIAG_SHOW_MEMINFO 0x00000020
 struct unix_diag_msg {
- __u8 udiag_family;
+  __u8 udiag_family;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 udiag_type;
- __u8 udiag_state;
- __u8 pad;
- __u32 udiag_ino;
+  __u8 udiag_type;
+  __u8 udiag_state;
+  __u8 pad;
+  __u32 udiag_ino;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 udiag_cookie[2];
+  __u32 udiag_cookie[2];
 };
 enum {
- UNIX_DIAG_NAME,
+  UNIX_DIAG_NAME,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- UNIX_DIAG_VFS,
- UNIX_DIAG_PEER,
- UNIX_DIAG_ICONS,
- UNIX_DIAG_RQLEN,
+  UNIX_DIAG_VFS,
+  UNIX_DIAG_PEER,
+  UNIX_DIAG_ICONS,
+  UNIX_DIAG_RQLEN,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- UNIX_DIAG_MEMINFO,
- UNIX_DIAG_SHUTDOWN,
- __UNIX_DIAG_MAX,
+  UNIX_DIAG_MEMINFO,
+  UNIX_DIAG_SHUTDOWN,
+  __UNIX_DIAG_MAX,
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define UNIX_DIAG_MAX (__UNIX_DIAG_MAX - 1)
 struct unix_diag_vfs {
- __u32 udiag_vfs_ino;
- __u32 udiag_vfs_dev;
+  __u32 udiag_vfs_ino;
+  __u32 udiag_vfs_dev;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 struct unix_diag_rqlen {
- __u32 udiag_rqueue;
- __u32 udiag_wqueue;
+  __u32 udiag_rqueue;
+  __u32 udiag_wqueue;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #endif