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/nfsd/cld.h b/libc/kernel/uapi/linux/nfsd/cld.h
index 16b3629..3593634 100644
--- a/libc/kernel/uapi/linux/nfsd/cld.h
+++ b/libc/kernel/uapi/linux/nfsd/cld.h
@@ -22,28 +22,28 @@
 #define NFS4_OPAQUE_LIMIT 1024
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 enum cld_command {
- Cld_Create,
- Cld_Remove,
- Cld_Check,
+  Cld_Create,
+  Cld_Remove,
+  Cld_Check,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- Cld_GraceDone,
+  Cld_GraceDone,
 };
 struct cld_name {
- uint16_t cn_len;
+  uint16_t cn_len;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned char cn_id[NFS4_OPAQUE_LIMIT];
+  unsigned char cn_id[NFS4_OPAQUE_LIMIT];
 } __attribute__((packed));
 struct cld_msg {
- uint8_t cm_vers;
+  uint8_t cm_vers;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- uint8_t cm_cmd;
- int16_t cm_status;
- uint32_t cm_xid;
- union {
+  uint8_t cm_cmd;
+  int16_t cm_status;
+  uint32_t cm_xid;
+  union {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int64_t cm_gracetime;
- struct cld_name cm_name;
- } __attribute__((packed)) cm_u;
+    int64_t cm_gracetime;
+    struct cld_name cm_name;
+  } __attribute__((packed)) cm_u;
 } __attribute__((packed));
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
diff --git a/libc/kernel/uapi/linux/nfsd/export.h b/libc/kernel/uapi/linux/nfsd/export.h
index 216bb23..4d7bfad 100644
--- a/libc/kernel/uapi/linux/nfsd/export.h
+++ b/libc/kernel/uapi/linux/nfsd/export.h
@@ -43,6 +43,6 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define NFSEXP_V4ROOT 0x10000
 #define NFSEXP_ALLFLAGS 0x1FE7F
-#define NFSEXP_SECINFO_FLAGS (NFSEXP_READONLY | NFSEXP_ROOTSQUASH   | NFSEXP_ALLSQUASH   | NFSEXP_INSECURE_PORT)
+#define NFSEXP_SECINFO_FLAGS (NFSEXP_READONLY | NFSEXP_ROOTSQUASH | NFSEXP_ALLSQUASH | NFSEXP_INSECURE_PORT)
 #endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
diff --git a/libc/kernel/uapi/linux/nfsd/nfsfh.h b/libc/kernel/uapi/linux/nfsd/nfsfh.h
index 81177f7..285936c 100644
--- a/libc/kernel/uapi/linux/nfsd/nfsfh.h
+++ b/libc/kernel/uapi/linux/nfsd/nfsfh.h
@@ -26,33 +26,33 @@
 #include <linux/nfs4.h>
 struct nfs_fhbase_old {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 fb_dcookie;
- __u32 fb_ino;
- __u32 fb_dirino;
- __u32 fb_dev;
+  __u32 fb_dcookie;
+  __u32 fb_ino;
+  __u32 fb_dirino;
+  __u32 fb_dev;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 fb_xdev;
- __u32 fb_xino;
- __u32 fb_generation;
+  __u32 fb_xdev;
+  __u32 fb_xino;
+  __u32 fb_generation;
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct nfs_fhbase_new {
- __u8 fb_version;
- __u8 fb_auth_type;
- __u8 fb_fsid_type;
+  __u8 fb_version;
+  __u8 fb_auth_type;
+  __u8 fb_fsid_type;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 fb_fileid_type;
- __u32 fb_auth[1];
+  __u8 fb_fileid_type;
+  __u32 fb_auth[1];
 };
 struct knfsd_fh {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned int fh_size;
- union {
- struct nfs_fhbase_old fh_old;
- __u32 fh_pad[NFS4_FHSIZE/4];
+  unsigned int fh_size;
+  union {
+    struct nfs_fhbase_old fh_old;
+    __u32 fh_pad[NFS4_FHSIZE / 4];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- struct nfs_fhbase_new fh_new;
- } fh_base;
+    struct nfs_fhbase_new fh_new;
+  } fh_base;
 };
 #define ofh_dcookie fh_base.fh_old.fb_dcookie
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
diff --git a/libc/kernel/uapi/linux/nfsd/stats.h b/libc/kernel/uapi/linux/nfsd/stats.h
index 757b7d7..3c49bbc 100644
--- a/libc/kernel/uapi/linux/nfsd/stats.h
+++ b/libc/kernel/uapi/linux/nfsd/stats.h
@@ -19,6 +19,6 @@
 #ifndef _UAPILINUX_NFSD_STATS_H
 #define _UAPILINUX_NFSD_STATS_H
 #include <linux/nfs4.h>
-#define NFSD_USAGE_WRAP (HZ*1000000)
+#define NFSD_USAGE_WRAP (HZ * 1000000)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif