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/nfs3.h b/libc/kernel/uapi/linux/nfs3.h
index 2cdce4b..db6dc4b 100644
--- a/libc/kernel/uapi/linux/nfs3.h
+++ b/libc/kernel/uapi/linux/nfs3.h
@@ -31,7 +31,7 @@
 #define NFS3_COOKIEVERFSIZE 8
 #define NFS3_WRITEVERFSIZE 8
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define NFS3_FIFO_DEV (-1)
+#define NFS3_FIFO_DEV (- 1)
 #define NFS3MODE_FMT 0170000
 #define NFS3MODE_DIR 0040000
 #define NFS3MODE_CHR 0020000
@@ -52,9 +52,9 @@
 #define NFS3_ACCESS_FULL 0x003f
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 enum nfs3_createmode {
- NFS3_CREATE_UNCHECKED = 0,
- NFS3_CREATE_GUARDED = 1,
- NFS3_CREATE_EXCLUSIVE = 2
+  NFS3_CREATE_UNCHECKED = 0,
+  NFS3_CREATE_GUARDED = 1,
+  NFS3_CREATE_EXCLUSIVE = 2
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #define NFS3_FSF_LINK 0x0001
@@ -67,22 +67,22 @@
 #define NFS3_FSF_READONLY 0x0008
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 enum nfs3_ftype {
- NF3NON = 0,
- NF3REG = 1,
- NF3DIR = 2,
+  NF3NON = 0,
+  NF3REG = 1,
+  NF3DIR = 2,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NF3BLK = 3,
- NF3CHR = 4,
- NF3LNK = 5,
- NF3SOCK = 6,
+  NF3BLK = 3,
+  NF3CHR = 4,
+  NF3LNK = 5,
+  NF3SOCK = 6,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- NF3FIFO = 7,
- NF3BAD = 8
+  NF3FIFO = 7,
+  NF3BAD = 8
 };
 struct nfs3_fh {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned short size;
- unsigned char data[NFS3_FHSIZE];
+  unsigned short size;
+  unsigned char data[NFS3_FHSIZE];
 };
 #define NFS3_VERSION 3
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */