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/dqblk_xfs.h b/libc/kernel/uapi/linux/dqblk_xfs.h
index 31b39d6..396e697 100644
--- a/libc/kernel/uapi/linux/dqblk_xfs.h
+++ b/libc/kernel/uapi/linux/dqblk_xfs.h
@@ -19,9 +19,9 @@
 #ifndef _LINUX_DQBLK_XFS_H
 #define _LINUX_DQBLK_XFS_H
 #include <linux/types.h>
-#define XQM_CMD(x) (('X'<<8)+(x))
+#define XQM_CMD(x) (('X' << 8) + (x))
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define XQM_COMMAND(x) (((x) & (0xff<<8)) == ('X'<<8))
+#define XQM_COMMAND(x) (((x) & (0xff << 8)) == ('X' << 8))
 #define XQM_USRQUOTA 0
 #define XQM_GRPQUOTA 1
 #define XQM_PRJQUOTA 2
@@ -39,120 +39,120 @@
 #define Q_XGETQSTATV XQM_CMD(8)
 #define FS_DQUOT_VERSION 1
 typedef struct fs_disk_quota {
- __s8 d_version;
+  __s8 d_version;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __s8 d_flags;
- __u16 d_fieldmask;
- __u32 d_id;
- __u64 d_blk_hardlimit;
+  __s8 d_flags;
+  __u16 d_fieldmask;
+  __u32 d_id;
+  __u64 d_blk_hardlimit;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 d_blk_softlimit;
- __u64 d_ino_hardlimit;
- __u64 d_ino_softlimit;
- __u64 d_bcount;
+  __u64 d_blk_softlimit;
+  __u64 d_ino_hardlimit;
+  __u64 d_ino_softlimit;
+  __u64 d_bcount;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 d_icount;
- __s32 d_itimer;
- __s32 d_btimer;
- __u16 d_iwarns;
+  __u64 d_icount;
+  __s32 d_itimer;
+  __s32 d_btimer;
+  __u16 d_iwarns;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u16 d_bwarns;
- __s32 d_padding2;
- __u64 d_rtb_hardlimit;
- __u64 d_rtb_softlimit;
+  __u16 d_bwarns;
+  __s32 d_padding2;
+  __u64 d_rtb_hardlimit;
+  __u64 d_rtb_softlimit;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 d_rtbcount;
- __s32 d_rtbtimer;
- __u16 d_rtbwarns;
- __s16 d_padding3;
+  __u64 d_rtbcount;
+  __s32 d_rtbtimer;
+  __u16 d_rtbwarns;
+  __s16 d_padding3;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- char d_padding4[8];
+  char d_padding4[8];
 } fs_disk_quota_t;
-#define FS_DQ_ISOFT (1<<0)
-#define FS_DQ_IHARD (1<<1)
+#define FS_DQ_ISOFT (1 << 0)
+#define FS_DQ_IHARD (1 << 1)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define FS_DQ_BSOFT (1<<2)
-#define FS_DQ_BHARD (1<<3)
-#define FS_DQ_RTBSOFT (1<<4)
-#define FS_DQ_RTBHARD (1<<5)
+#define FS_DQ_BSOFT (1 << 2)
+#define FS_DQ_BHARD (1 << 3)
+#define FS_DQ_RTBSOFT (1 << 4)
+#define FS_DQ_RTBHARD (1 << 5)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define FS_DQ_LIMIT_MASK (FS_DQ_ISOFT | FS_DQ_IHARD | FS_DQ_BSOFT |   FS_DQ_BHARD | FS_DQ_RTBSOFT | FS_DQ_RTBHARD)
-#define FS_DQ_BTIMER (1<<6)
-#define FS_DQ_ITIMER (1<<7)
-#define FS_DQ_RTBTIMER (1<<8)
+#define FS_DQ_LIMIT_MASK (FS_DQ_ISOFT | FS_DQ_IHARD | FS_DQ_BSOFT | FS_DQ_BHARD | FS_DQ_RTBSOFT | FS_DQ_RTBHARD)
+#define FS_DQ_BTIMER (1 << 6)
+#define FS_DQ_ITIMER (1 << 7)
+#define FS_DQ_RTBTIMER (1 << 8)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define FS_DQ_TIMER_MASK (FS_DQ_BTIMER | FS_DQ_ITIMER | FS_DQ_RTBTIMER)
-#define FS_DQ_BWARNS (1<<9)
-#define FS_DQ_IWARNS (1<<10)
-#define FS_DQ_RTBWARNS (1<<11)
+#define FS_DQ_BWARNS (1 << 9)
+#define FS_DQ_IWARNS (1 << 10)
+#define FS_DQ_RTBWARNS (1 << 11)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define FS_DQ_WARNS_MASK (FS_DQ_BWARNS | FS_DQ_IWARNS | FS_DQ_RTBWARNS)
-#define FS_DQ_BCOUNT (1<<12)
-#define FS_DQ_ICOUNT (1<<13)
-#define FS_DQ_RTBCOUNT (1<<14)
+#define FS_DQ_BCOUNT (1 << 12)
+#define FS_DQ_ICOUNT (1 << 13)
+#define FS_DQ_RTBCOUNT (1 << 14)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define FS_DQ_ACCT_MASK (FS_DQ_BCOUNT | FS_DQ_ICOUNT | FS_DQ_RTBCOUNT)
-#define FS_QUOTA_UDQ_ACCT (1<<0)
-#define FS_QUOTA_UDQ_ENFD (1<<1)
-#define FS_QUOTA_GDQ_ACCT (1<<2)
+#define FS_QUOTA_UDQ_ACCT (1 << 0)
+#define FS_QUOTA_UDQ_ENFD (1 << 1)
+#define FS_QUOTA_GDQ_ACCT (1 << 2)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define FS_QUOTA_GDQ_ENFD (1<<3)
-#define FS_QUOTA_PDQ_ACCT (1<<4)
-#define FS_QUOTA_PDQ_ENFD (1<<5)
-#define FS_USER_QUOTA (1<<0)
+#define FS_QUOTA_GDQ_ENFD (1 << 3)
+#define FS_QUOTA_PDQ_ACCT (1 << 4)
+#define FS_QUOTA_PDQ_ENFD (1 << 5)
+#define FS_USER_QUOTA (1 << 0)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define FS_PROJ_QUOTA (1<<1)
-#define FS_GROUP_QUOTA (1<<2)
+#define FS_PROJ_QUOTA (1 << 1)
+#define FS_GROUP_QUOTA (1 << 2)
 #define FS_QSTAT_VERSION 1
 typedef struct fs_qfilestat {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 qfs_ino;
- __u64 qfs_nblks;
- __u32 qfs_nextents;
+  __u64 qfs_ino;
+  __u64 qfs_nblks;
+  __u32 qfs_nextents;
 } fs_qfilestat_t;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 typedef struct fs_quota_stat {
- __s8 qs_version;
- __u16 qs_flags;
- __s8 qs_pad;
+  __s8 qs_version;
+  __u16 qs_flags;
+  __s8 qs_pad;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- fs_qfilestat_t qs_uquota;
- fs_qfilestat_t qs_gquota;
- __u32 qs_incoredqs;
- __s32 qs_btimelimit;
+  fs_qfilestat_t qs_uquota;
+  fs_qfilestat_t qs_gquota;
+  __u32 qs_incoredqs;
+  __s32 qs_btimelimit;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __s32 qs_itimelimit;
- __s32 qs_rtbtimelimit;
- __u16 qs_bwarnlimit;
- __u16 qs_iwarnlimit;
+  __s32 qs_itimelimit;
+  __s32 qs_rtbtimelimit;
+  __u16 qs_bwarnlimit;
+  __u16 qs_iwarnlimit;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 } fs_quota_stat_t;
 #define FS_QSTATV_VERSION1 1
 struct fs_qfilestatv {
- __u64 qfs_ino;
+  __u64 qfs_ino;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 qfs_nblks;
- __u32 qfs_nextents;
- __u32 qfs_pad;
+  __u64 qfs_nblks;
+  __u32 qfs_nextents;
+  __u32 qfs_pad;
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct fs_quota_statv {
- __s8 qs_version;
- __u8 qs_pad1;
- __u16 qs_flags;
+  __s8 qs_version;
+  __u8 qs_pad1;
+  __u16 qs_flags;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 qs_incoredqs;
- struct fs_qfilestatv qs_uquota;
- struct fs_qfilestatv qs_gquota;
- struct fs_qfilestatv qs_pquota;
+  __u32 qs_incoredqs;
+  struct fs_qfilestatv qs_uquota;
+  struct fs_qfilestatv qs_gquota;
+  struct fs_qfilestatv qs_pquota;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __s32 qs_btimelimit;
- __s32 qs_itimelimit;
- __s32 qs_rtbtimelimit;
- __u16 qs_bwarnlimit;
+  __s32 qs_btimelimit;
+  __s32 qs_itimelimit;
+  __s32 qs_rtbtimelimit;
+  __u16 qs_bwarnlimit;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u16 qs_iwarnlimit;
- __u64 qs_pad2[8];
+  __u16 qs_iwarnlimit;
+  __u64 qs_pad2[8];
 };
 #endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */