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/taskstats.h b/libc/kernel/uapi/linux/taskstats.h
index fd7e9ed..298ebf0 100644
--- a/libc/kernel/uapi/linux/taskstats.h
+++ b/libc/kernel/uapi/linux/taskstats.h
@@ -23,93 +23,93 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TS_COMM_LEN 32
 struct taskstats {
- __u16 version;
- __u32 ac_exitcode;
+  __u16 version;
+  __u32 ac_exitcode;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 ac_flag;
- __u8 ac_nice;
- __u64 cpu_count __attribute__((aligned(8)));
- __u64 cpu_delay_total;
+  __u8 ac_flag;
+  __u8 ac_nice;
+  __u64 cpu_count __attribute__((aligned(8)));
+  __u64 cpu_delay_total;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 blkio_count;
- __u64 blkio_delay_total;
- __u64 swapin_count;
- __u64 swapin_delay_total;
+  __u64 blkio_count;
+  __u64 blkio_delay_total;
+  __u64 swapin_count;
+  __u64 swapin_delay_total;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 cpu_run_real_total;
- __u64 cpu_run_virtual_total;
- char ac_comm[TS_COMM_LEN];
- __u8 ac_sched __attribute__((aligned(8)));
+  __u64 cpu_run_real_total;
+  __u64 cpu_run_virtual_total;
+  char ac_comm[TS_COMM_LEN];
+  __u8 ac_sched __attribute__((aligned(8)));
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 ac_pad[3];
- __u32 ac_uid __attribute__((aligned(8)));
- __u32 ac_gid;
- __u32 ac_pid;
+  __u8 ac_pad[3];
+  __u32 ac_uid __attribute__((aligned(8)));
+  __u32 ac_gid;
+  __u32 ac_pid;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 ac_ppid;
- __u32 ac_btime;
- __u64 ac_etime __attribute__((aligned(8)));
- __u64 ac_utime;
+  __u32 ac_ppid;
+  __u32 ac_btime;
+  __u64 ac_etime __attribute__((aligned(8)));
+  __u64 ac_utime;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 ac_stime;
- __u64 ac_minflt;
- __u64 ac_majflt;
- __u64 coremem;
+  __u64 ac_stime;
+  __u64 ac_minflt;
+  __u64 ac_majflt;
+  __u64 coremem;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 virtmem;
- __u64 hiwater_rss;
- __u64 hiwater_vm;
- __u64 read_char;
+  __u64 virtmem;
+  __u64 hiwater_rss;
+  __u64 hiwater_vm;
+  __u64 read_char;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 write_char;
- __u64 read_syscalls;
- __u64 write_syscalls;
+  __u64 write_char;
+  __u64 read_syscalls;
+  __u64 write_syscalls;
 #define TASKSTATS_HAS_IO_ACCOUNTING
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 read_bytes;
- __u64 write_bytes;
- __u64 cancelled_write_bytes;
- __u64 nvcsw;
+  __u64 read_bytes;
+  __u64 write_bytes;
+  __u64 cancelled_write_bytes;
+  __u64 nvcsw;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 nivcsw;
- __u64 ac_utimescaled;
- __u64 ac_stimescaled;
- __u64 cpu_scaled_run_real_total;
+  __u64 nivcsw;
+  __u64 ac_utimescaled;
+  __u64 ac_stimescaled;
+  __u64 cpu_scaled_run_real_total;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 freepages_count;
- __u64 freepages_delay_total;
+  __u64 freepages_count;
+  __u64 freepages_delay_total;
 };
 enum {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- TASKSTATS_CMD_UNSPEC = 0,
- TASKSTATS_CMD_GET,
- TASKSTATS_CMD_NEW,
- __TASKSTATS_CMD_MAX,
+  TASKSTATS_CMD_UNSPEC = 0,
+  TASKSTATS_CMD_GET,
+  TASKSTATS_CMD_NEW,
+  __TASKSTATS_CMD_MAX,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #define TASKSTATS_CMD_MAX (__TASKSTATS_CMD_MAX - 1)
 enum {
- TASKSTATS_TYPE_UNSPEC = 0,
+  TASKSTATS_TYPE_UNSPEC = 0,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- TASKSTATS_TYPE_PID,
- TASKSTATS_TYPE_TGID,
- TASKSTATS_TYPE_STATS,
- TASKSTATS_TYPE_AGGR_PID,
+  TASKSTATS_TYPE_PID,
+  TASKSTATS_TYPE_TGID,
+  TASKSTATS_TYPE_STATS,
+  TASKSTATS_TYPE_AGGR_PID,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- TASKSTATS_TYPE_AGGR_TGID,
- TASKSTATS_TYPE_NULL,
- __TASKSTATS_TYPE_MAX,
+  TASKSTATS_TYPE_AGGR_TGID,
+  TASKSTATS_TYPE_NULL,
+  __TASKSTATS_TYPE_MAX,
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define TASKSTATS_TYPE_MAX (__TASKSTATS_TYPE_MAX - 1)
 enum {
- TASKSTATS_CMD_ATTR_UNSPEC = 0,
- TASKSTATS_CMD_ATTR_PID,
+  TASKSTATS_CMD_ATTR_UNSPEC = 0,
+  TASKSTATS_CMD_ATTR_PID,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- TASKSTATS_CMD_ATTR_TGID,
- TASKSTATS_CMD_ATTR_REGISTER_CPUMASK,
- TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK,
- __TASKSTATS_CMD_ATTR_MAX,
+  TASKSTATS_CMD_ATTR_TGID,
+  TASKSTATS_CMD_ATTR_REGISTER_CPUMASK,
+  TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK,
+  __TASKSTATS_CMD_ATTR_MAX,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #define TASKSTATS_CMD_ATTR_MAX (__TASKSTATS_CMD_ATTR_MAX - 1)