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/resource.h b/libc/kernel/uapi/linux/resource.h
index 9d260c2..eaf9fc4 100644
--- a/libc/kernel/uapi/linux/resource.h
+++ b/libc/kernel/uapi/linux/resource.h
@@ -22,52 +22,52 @@
 #include <linux/types.h>
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RUSAGE_SELF 0
-#define RUSAGE_CHILDREN (-1)
-#define RUSAGE_BOTH (-2)
+#define RUSAGE_CHILDREN (- 1)
+#define RUSAGE_BOTH (- 2)
 #define RUSAGE_THREAD 1
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct rusage {
- struct timeval ru_utime;
- struct timeval ru_stime;
- __kernel_long_t ru_maxrss;
+  struct timeval ru_utime;
+  struct timeval ru_stime;
+  __kernel_long_t ru_maxrss;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __kernel_long_t ru_ixrss;
- __kernel_long_t ru_idrss;
- __kernel_long_t ru_isrss;
- __kernel_long_t ru_minflt;
+  __kernel_long_t ru_ixrss;
+  __kernel_long_t ru_idrss;
+  __kernel_long_t ru_isrss;
+  __kernel_long_t ru_minflt;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __kernel_long_t ru_majflt;
- __kernel_long_t ru_nswap;
- __kernel_long_t ru_inblock;
- __kernel_long_t ru_oublock;
+  __kernel_long_t ru_majflt;
+  __kernel_long_t ru_nswap;
+  __kernel_long_t ru_inblock;
+  __kernel_long_t ru_oublock;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __kernel_long_t ru_msgsnd;
- __kernel_long_t ru_msgrcv;
- __kernel_long_t ru_nsignals;
- __kernel_long_t ru_nvcsw;
+  __kernel_long_t ru_msgsnd;
+  __kernel_long_t ru_msgrcv;
+  __kernel_long_t ru_nsignals;
+  __kernel_long_t ru_nvcsw;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __kernel_long_t ru_nivcsw;
+  __kernel_long_t ru_nivcsw;
 };
 struct rlimit {
- __kernel_ulong_t rlim_cur;
+  __kernel_ulong_t rlim_cur;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __kernel_ulong_t rlim_max;
+  __kernel_ulong_t rlim_max;
 };
 #define RLIM64_INFINITY (~0ULL)
 struct rlimit64 {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 rlim_cur;
- __u64 rlim_max;
+  __u64 rlim_cur;
+  __u64 rlim_max;
 };
-#define PRIO_MIN (-20)
+#define PRIO_MIN (- 20)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PRIO_MAX 20
 #define PRIO_PROCESS 0
 #define PRIO_PGRP 1
 #define PRIO_USER 2
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define _STK_LIM (8*1024*1024)
-#define MLOCK_LIMIT ((PAGE_SIZE > 64*1024) ? PAGE_SIZE : 64*1024)
+#define _STK_LIM (8 * 1024 * 1024)
+#define MLOCK_LIMIT ((PAGE_SIZE > 64 * 1024) ? PAGE_SIZE : 64 * 1024)
 #include <asm/resource.h>
 #endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */