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/errqueue.h b/libc/kernel/uapi/linux/errqueue.h
index b9fc10e..dd57a29 100644
--- a/libc/kernel/uapi/linux/errqueue.h
+++ b/libc/kernel/uapi/linux/errqueue.h
@@ -21,14 +21,14 @@
 #include <linux/types.h>
 struct sock_extended_err {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 ee_errno;
- __u8 ee_origin;
- __u8 ee_type;
- __u8 ee_code;
+  __u32 ee_errno;
+  __u8 ee_origin;
+  __u8 ee_type;
+  __u8 ee_code;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 ee_pad;
- __u32 ee_info;
- __u32 ee_data;
+  __u8 ee_pad;
+  __u32 ee_info;
+  __u32 ee_data;
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SO_EE_ORIGIN_NONE 0
@@ -38,16 +38,16 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SO_EE_ORIGIN_TXSTATUS 4
 #define SO_EE_ORIGIN_TIMESTAMPING SO_EE_ORIGIN_TXSTATUS
-#define SO_EE_OFFENDER(ee) ((struct sockaddr*)((ee)+1))
+#define SO_EE_OFFENDER(ee) ((struct sockaddr *) ((ee) + 1))
 struct scm_timestamping {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- struct timespec ts[3];
+  struct timespec ts[3];
 };
 enum {
- SCM_TSTAMP_SND,
+  SCM_TSTAMP_SND,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- SCM_TSTAMP_SCHED,
- SCM_TSTAMP_ACK,
+  SCM_TSTAMP_SCHED,
+  SCM_TSTAMP_ACK,
 };
 #endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */