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/asm-x86/asm/stat.h b/libc/kernel/uapi/asm-x86/asm/stat.h
index aebacbd..c11fdfd 100644
--- a/libc/kernel/uapi/asm-x86/asm/stat.h
+++ b/libc/kernel/uapi/asm-x86/asm/stat.h
@@ -23,111 +23,114 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifdef __i386__
 struct stat {
- unsigned long st_dev;
- unsigned long st_ino;
+  unsigned long st_dev;
+  unsigned long st_ino;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned short st_mode;
- unsigned short st_nlink;
- unsigned short st_uid;
- unsigned short st_gid;
+  unsigned short st_mode;
+  unsigned short st_nlink;
+  unsigned short st_uid;
+  unsigned short st_gid;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long st_rdev;
- unsigned long st_size;
- unsigned long st_blksize;
- unsigned long st_blocks;
+  unsigned long st_rdev;
+  unsigned long st_size;
+  unsigned long st_blksize;
+  unsigned long st_blocks;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long st_atime;
- unsigned long st_atime_nsec;
- unsigned long st_mtime;
- unsigned long st_mtime_nsec;
+  unsigned long st_atime;
+  unsigned long st_atime_nsec;
+  unsigned long st_mtime;
+  unsigned long st_mtime_nsec;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long st_ctime;
- unsigned long st_ctime_nsec;
- unsigned long __unused4;
- unsigned long __unused5;
+  unsigned long st_ctime;
+  unsigned long st_ctime_nsec;
+  unsigned long __unused4;
+  unsigned long __unused5;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
-#define INIT_STRUCT_STAT_PADDING(st) do {   st.__unused4 = 0;   st.__unused5 = 0;  } while (0)
+#define INIT_STRUCT_STAT_PADDING(st) do { st.__unused4 = 0; st.__unused5 = 0; \
+} while(0)
 #define STAT64_HAS_BROKEN_ST_INO 1
 struct stat64 {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long long st_dev;
- unsigned char __pad0[4];
- unsigned long __st_ino;
- unsigned int st_mode;
+  unsigned long long st_dev;
+  unsigned char __pad0[4];
+  unsigned long __st_ino;
+  unsigned int st_mode;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned int st_nlink;
- unsigned long st_uid;
- unsigned long st_gid;
- unsigned long long st_rdev;
+  unsigned int st_nlink;
+  unsigned long st_uid;
+  unsigned long st_gid;
+  unsigned long long st_rdev;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned char __pad3[4];
- long long st_size;
- unsigned long st_blksize;
- unsigned long long st_blocks;
+  unsigned char __pad3[4];
+  long long st_size;
+  unsigned long st_blksize;
+  unsigned long long st_blocks;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long st_atime;
- unsigned long st_atime_nsec;
- unsigned long st_mtime;
- unsigned int st_mtime_nsec;
+  unsigned long st_atime;
+  unsigned long st_atime_nsec;
+  unsigned long st_mtime;
+  unsigned int st_mtime_nsec;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long st_ctime;
- unsigned long st_ctime_nsec;
- unsigned long long st_ino;
+  unsigned long st_ctime;
+  unsigned long st_ctime_nsec;
+  unsigned long long st_ino;
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define INIT_STRUCT_STAT64_PADDING(st) do {   memset(&st.__pad0, 0, sizeof(st.__pad0));   memset(&st.__pad3, 0, sizeof(st.__pad3));  } while (0)
+#define INIT_STRUCT_STAT64_PADDING(st) do { memset(& st.__pad0, 0, sizeof(st.__pad0)); memset(& st.__pad3, 0, sizeof(st.__pad3)); \
+} while(0)
 #else
 struct stat {
- __kernel_ulong_t st_dev;
+  __kernel_ulong_t st_dev;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __kernel_ulong_t st_ino;
- __kernel_ulong_t st_nlink;
- unsigned int st_mode;
- unsigned int st_uid;
+  __kernel_ulong_t st_ino;
+  __kernel_ulong_t st_nlink;
+  unsigned int st_mode;
+  unsigned int st_uid;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned int st_gid;
- unsigned int __pad0;
- __kernel_ulong_t st_rdev;
- __kernel_long_t st_size;
+  unsigned int st_gid;
+  unsigned int __pad0;
+  __kernel_ulong_t st_rdev;
+  __kernel_long_t st_size;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __kernel_long_t st_blksize;
- __kernel_long_t st_blocks;
- __kernel_ulong_t st_atime;
- __kernel_ulong_t st_atime_nsec;
+  __kernel_long_t st_blksize;
+  __kernel_long_t st_blocks;
+  __kernel_ulong_t st_atime;
+  __kernel_ulong_t st_atime_nsec;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __kernel_ulong_t st_mtime;
- __kernel_ulong_t st_mtime_nsec;
- __kernel_ulong_t st_ctime;
- __kernel_ulong_t st_ctime_nsec;
+  __kernel_ulong_t st_mtime;
+  __kernel_ulong_t st_mtime_nsec;
+  __kernel_ulong_t st_ctime;
+  __kernel_ulong_t st_ctime_nsec;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __kernel_long_t __linux_unused[3];
+  __kernel_long_t __linux_unused[3];
 };
-#define INIT_STRUCT_STAT_PADDING(st) do {   st.__pad0 = 0;   st.__linux_unused[0] = 0;   st.__linux_unused[1] = 0;   st.__linux_unused[2] = 0;  } while (0)
+#define INIT_STRUCT_STAT_PADDING(st) do { st.__pad0 = 0; st.__linux_unused[0] = 0; st.__linux_unused[1] = 0; st.__linux_unused[2] = 0; \
+} while(0)
 #endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct __old_kernel_stat {
- unsigned short st_dev;
- unsigned short st_ino;
- unsigned short st_mode;
+  unsigned short st_dev;
+  unsigned short st_ino;
+  unsigned short st_mode;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned short st_nlink;
- unsigned short st_uid;
- unsigned short st_gid;
- unsigned short st_rdev;
+  unsigned short st_nlink;
+  unsigned short st_uid;
+  unsigned short st_gid;
+  unsigned short st_rdev;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #ifdef __i386__
- unsigned long st_size;
- unsigned long st_atime;
- unsigned long st_mtime;
+  unsigned long st_size;
+  unsigned long st_atime;
+  unsigned long st_mtime;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned long st_ctime;
+  unsigned long st_ctime;
 #else
- unsigned int st_size;
- unsigned int st_atime;
+  unsigned int st_size;
+  unsigned int st_atime;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned int st_mtime;
- unsigned int st_ctime;
+  unsigned int st_mtime;
+  unsigned int st_ctime;
 #endif
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */