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/chio.h b/libc/kernel/uapi/linux/chio.h
index 526ee02..9e34ddf 100644
--- a/libc/kernel/uapi/linux/chio.h
+++ b/libc/kernel/uapi/linux/chio.h
@@ -27,62 +27,62 @@
 #define CHET_V4 7
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct changer_params {
- int cp_curpicker;
- int cp_npickers;
- int cp_nslots;
+  int cp_curpicker;
+  int cp_npickers;
+  int cp_nslots;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int cp_nportals;
- int cp_ndrives;
+  int cp_nportals;
+  int cp_ndrives;
 };
 struct changer_vendor_params {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int cvp_n1;
- char cvp_label1[16];
- int cvp_n2;
- char cvp_label2[16];
+  int cvp_n1;
+  char cvp_label1[16];
+  int cvp_n2;
+  char cvp_label2[16];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int cvp_n3;
- char cvp_label3[16];
- int cvp_n4;
- char cvp_label4[16];
+  int cvp_n3;
+  char cvp_label3[16];
+  int cvp_n4;
+  char cvp_label4[16];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int reserved[8];
+  int reserved[8];
 };
 struct changer_move {
- int cm_fromtype;
+  int cm_fromtype;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int cm_fromunit;
- int cm_totype;
- int cm_tounit;
- int cm_flags;
+  int cm_fromunit;
+  int cm_totype;
+  int cm_tounit;
+  int cm_flags;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 #define CM_INVERT 1
 struct changer_exchange {
- int ce_srctype;
+  int ce_srctype;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int ce_srcunit;
- int ce_fdsttype;
- int ce_fdstunit;
- int ce_sdsttype;
+  int ce_srcunit;
+  int ce_fdsttype;
+  int ce_fdstunit;
+  int ce_sdsttype;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int ce_sdstunit;
- int ce_flags;
+  int ce_sdstunit;
+  int ce_flags;
 };
 #define CE_INVERT1 1
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CE_INVERT2 2
 struct changer_position {
- int cp_type;
- int cp_unit;
+  int cp_type;
+  int cp_unit;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int cp_flags;
+  int cp_flags;
 };
 #define CP_INVERT 1
 struct changer_element_status {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int ces_type;
- unsigned char __user *ces_data;
+  int ces_type;
+  unsigned char __user * ces_data;
 };
 #define CESTATUS_FULL 0x01
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
@@ -93,20 +93,20 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CESTATUS_INENAB 0x20
 struct changer_get_element {
- int cge_type;
- int cge_unit;
+  int cge_type;
+  int cge_unit;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int cge_status;
- int cge_errno;
- int cge_srctype;
- int cge_srcunit;
+  int cge_status;
+  int cge_errno;
+  int cge_srctype;
+  int cge_srcunit;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int cge_id;
- int cge_lun;
- char cge_pvoltag[36];
- char cge_avoltag[36];
+  int cge_id;
+  int cge_lun;
+  char cge_pvoltag[36];
+  char cge_avoltag[36];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int cge_flags;
+  int cge_flags;
 };
 #define CGE_ERRNO 0x01
 #define CGE_INVERT 0x02
@@ -117,27 +117,27 @@
 #define CGE_AVOLTAG 0x20
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct changer_set_voltag {
- int csv_type;
- int csv_unit;
- char csv_voltag[36];
+  int csv_type;
+  int csv_unit;
+  char csv_voltag[36];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int csv_flags;
+  int csv_flags;
 };
 #define CSV_PVOLTAG 0x01
 #define CSV_AVOLTAG 0x02
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define CSV_CLEARTAG 0x04
-#define CHIOMOVE _IOW('c', 1,struct changer_move)
-#define CHIOEXCHANGE _IOW('c', 2,struct changer_exchange)
-#define CHIOPOSITION _IOW('c', 3,struct changer_position)
+#define CHIOMOVE _IOW('c', 1, struct changer_move)
+#define CHIOEXCHANGE _IOW('c', 2, struct changer_exchange)
+#define CHIOPOSITION _IOW('c', 3, struct changer_position)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define CHIOGPICKER _IOR('c', 4,int)
-#define CHIOSPICKER _IOW('c', 5,int)
-#define CHIOGPARAMS _IOR('c', 6,struct changer_params)
-#define CHIOGSTATUS _IOW('c', 8,struct changer_element_status)
+#define CHIOGPICKER _IOR('c', 4, int)
+#define CHIOSPICKER _IOW('c', 5, int)
+#define CHIOGPARAMS _IOR('c', 6, struct changer_params)
+#define CHIOGSTATUS _IOW('c', 8, struct changer_element_status)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define CHIOGELEM _IOW('c',16,struct changer_get_element)
-#define CHIOINITELEM _IO('c',17)
-#define CHIOSVOLTAG _IOW('c',18,struct changer_set_voltag)
-#define CHIOGVPARAMS _IOR('c',19,struct changer_vendor_params)
+#define CHIOGELEM _IOW('c', 16, struct changer_get_element)
+#define CHIOINITELEM _IO('c', 17)
+#define CHIOSVOLTAG _IOW('c', 18, struct changer_set_voltag)
+#define CHIOGVPARAMS _IOR('c', 19, struct changer_vendor_params)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */