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/rdma/ib_user_sa.h b/libc/kernel/uapi/rdma/ib_user_sa.h
index de5df89..36f4a80 100644
--- a/libc/kernel/uapi/rdma/ib_user_sa.h
+++ b/libc/kernel/uapi/rdma/ib_user_sa.h
@@ -21,46 +21,46 @@
 #include <linux/types.h>
 enum {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- IB_PATH_GMP = 1,
- IB_PATH_PRIMARY = (1<<1),
- IB_PATH_ALTERNATE = (1<<2),
- IB_PATH_OUTBOUND = (1<<3),
+  IB_PATH_GMP = 1,
+  IB_PATH_PRIMARY = (1 << 1),
+  IB_PATH_ALTERNATE = (1 << 2),
+  IB_PATH_OUTBOUND = (1 << 3),
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- IB_PATH_INBOUND = (1<<4),
- IB_PATH_INBOUND_REVERSE = (1<<5),
- IB_PATH_BIDIRECTIONAL = IB_PATH_OUTBOUND | IB_PATH_INBOUND_REVERSE
+  IB_PATH_INBOUND = (1 << 4),
+  IB_PATH_INBOUND_REVERSE = (1 << 5),
+  IB_PATH_BIDIRECTIONAL = IB_PATH_OUTBOUND | IB_PATH_INBOUND_REVERSE
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct ib_path_rec_data {
- __u32 flags;
- __u32 reserved;
- __u32 path_rec[16];
+  __u32 flags;
+  __u32 reserved;
+  __u32 path_rec[16];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 struct ib_user_path_rec {
- __u8 dgid[16];
- __u8 sgid[16];
+  __u8 dgid[16];
+  __u8 sgid[16];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __be16 dlid;
- __be16 slid;
- __u32 raw_traffic;
- __be32 flow_label;
+  __be16 dlid;
+  __be16 slid;
+  __u32 raw_traffic;
+  __be32 flow_label;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 reversible;
- __u32 mtu;
- __be16 pkey;
- __u8 hop_limit;
+  __u32 reversible;
+  __u32 mtu;
+  __be16 pkey;
+  __u8 hop_limit;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 traffic_class;
- __u8 numb_path;
- __u8 sl;
- __u8 mtu_selector;
+  __u8 traffic_class;
+  __u8 numb_path;
+  __u8 sl;
+  __u8 mtu_selector;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 rate_selector;
- __u8 rate;
- __u8 packet_life_time_selector;
- __u8 packet_life_time;
+  __u8 rate_selector;
+  __u8 rate;
+  __u8 packet_life_time_selector;
+  __u8 packet_life_time;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 preference;
+  __u8 preference;
 };
 #endif