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/fs.h b/libc/kernel/uapi/linux/fs.h
index d31f984..bed2405 100644
--- a/libc/kernel/uapi/linux/fs.h
+++ b/libc/kernel/uapi/linux/fs.h
@@ -27,7 +27,7 @@
 #define INR_OPEN_MAX 4096
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define BLOCK_SIZE_BITS 10
-#define BLOCK_SIZE (1<<BLOCK_SIZE_BITS)
+#define BLOCK_SIZE (1 << BLOCK_SIZE_BITS)
 #define SEEK_SET 0
 #define SEEK_CUR 1
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
@@ -41,22 +41,22 @@
 #define RENAME_WHITEOUT (1 << 2)
 struct fstrim_range {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 start;
- __u64 len;
- __u64 minlen;
+  __u64 start;
+  __u64 len;
+  __u64 minlen;
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct files_stat_struct {
- unsigned long nr_files;
- unsigned long nr_free_files;
- unsigned long max_files;
+  unsigned long nr_files;
+  unsigned long nr_free_files;
+  unsigned long max_files;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 struct inodes_stat_t {
- long nr_inodes;
- long nr_unused;
+  long nr_inodes;
+  long nr_unused;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- long dummy[5];
+  long dummy[5];
 };
 #define NR_FILE 8192
 #define MS_RDONLY 1
@@ -78,65 +78,65 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MS_VERBOSE 32768
 #define MS_SILENT 32768
-#define MS_POSIXACL (1<<16)
-#define MS_UNBINDABLE (1<<17)
+#define MS_POSIXACL (1 << 16)
+#define MS_UNBINDABLE (1 << 17)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MS_PRIVATE (1<<18)
-#define MS_SLAVE (1<<19)
-#define MS_SHARED (1<<20)
-#define MS_RELATIME (1<<21)
+#define MS_PRIVATE (1 << 18)
+#define MS_SLAVE (1 << 19)
+#define MS_SHARED (1 << 20)
+#define MS_RELATIME (1 << 21)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MS_KERNMOUNT (1<<22)
-#define MS_I_VERSION (1<<23)
-#define MS_STRICTATIME (1<<24)
-#define MS_NOSEC (1<<28)
+#define MS_KERNMOUNT (1 << 22)
+#define MS_I_VERSION (1 << 23)
+#define MS_STRICTATIME (1 << 24)
+#define MS_NOSEC (1 << 28)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define MS_BORN (1<<29)
-#define MS_ACTIVE (1<<30)
-#define MS_NOUSER (1<<31)
-#define MS_RMT_MASK (MS_RDONLY|MS_SYNCHRONOUS|MS_MANDLOCK|MS_I_VERSION)
+#define MS_BORN (1 << 29)
+#define MS_ACTIVE (1 << 30)
+#define MS_NOUSER (1 << 31)
+#define MS_RMT_MASK (MS_RDONLY | MS_SYNCHRONOUS | MS_MANDLOCK | MS_I_VERSION)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define MS_MGC_VAL 0xC0ED0000
 #define MS_MGC_MSK 0xffff0000
-#define BLKROSET _IO(0x12,93)
-#define BLKROGET _IO(0x12,94)
+#define BLKROSET _IO(0x12, 93)
+#define BLKROGET _IO(0x12, 94)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define BLKRRPART _IO(0x12,95)
-#define BLKGETSIZE _IO(0x12,96)
-#define BLKFLSBUF _IO(0x12,97)
-#define BLKRASET _IO(0x12,98)
+#define BLKRRPART _IO(0x12, 95)
+#define BLKGETSIZE _IO(0x12, 96)
+#define BLKFLSBUF _IO(0x12, 97)
+#define BLKRASET _IO(0x12, 98)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define BLKRAGET _IO(0x12,99)
-#define BLKFRASET _IO(0x12,100)
-#define BLKFRAGET _IO(0x12,101)
-#define BLKSECTSET _IO(0x12,102)
+#define BLKRAGET _IO(0x12, 99)
+#define BLKFRASET _IO(0x12, 100)
+#define BLKFRAGET _IO(0x12, 101)
+#define BLKSECTSET _IO(0x12, 102)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define BLKSECTGET _IO(0x12,103)
-#define BLKSSZGET _IO(0x12,104)
-#define BLKBSZGET _IOR(0x12,112,size_t)
-#define BLKBSZSET _IOW(0x12,113,size_t)
+#define BLKSECTGET _IO(0x12, 103)
+#define BLKSSZGET _IO(0x12, 104)
+#define BLKBSZGET _IOR(0x12, 112, size_t)
+#define BLKBSZSET _IOW(0x12, 113, size_t)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define BLKGETSIZE64 _IOR(0x12,114,size_t)
-#define BLKTRACESETUP _IOWR(0x12,115,struct blk_user_trace_setup)
-#define BLKTRACESTART _IO(0x12,116)
-#define BLKTRACESTOP _IO(0x12,117)
+#define BLKGETSIZE64 _IOR(0x12, 114, size_t)
+#define BLKTRACESETUP _IOWR(0x12, 115, struct blk_user_trace_setup)
+#define BLKTRACESTART _IO(0x12, 116)
+#define BLKTRACESTOP _IO(0x12, 117)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define BLKTRACETEARDOWN _IO(0x12,118)
-#define BLKDISCARD _IO(0x12,119)
-#define BLKIOMIN _IO(0x12,120)
-#define BLKIOOPT _IO(0x12,121)
+#define BLKTRACETEARDOWN _IO(0x12, 118)
+#define BLKDISCARD _IO(0x12, 119)
+#define BLKIOMIN _IO(0x12, 120)
+#define BLKIOOPT _IO(0x12, 121)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define BLKALIGNOFF _IO(0x12,122)
-#define BLKPBSZGET _IO(0x12,123)
-#define BLKDISCARDZEROES _IO(0x12,124)
-#define BLKSECDISCARD _IO(0x12,125)
+#define BLKALIGNOFF _IO(0x12, 122)
+#define BLKPBSZGET _IO(0x12, 123)
+#define BLKDISCARDZEROES _IO(0x12, 124)
+#define BLKSECDISCARD _IO(0x12, 125)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define BLKROTATIONAL _IO(0x12,126)
-#define BLKZEROOUT _IO(0x12,127)
+#define BLKROTATIONAL _IO(0x12, 126)
+#define BLKZEROOUT _IO(0x12, 127)
 #define BMAP_IOCTL 1
-#define FIBMAP _IO(0x00,1)
+#define FIBMAP _IO(0x00, 1)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define FIGETBSZ _IO(0x00,2)
+#define FIGETBSZ _IO(0x00, 2)
 #define FIFREEZE _IOWR('X', 119, int)
 #define FITHAW _IOWR('X', 120, int)
 #define FITRIM _IOWR('X', 121, struct fstrim_range)