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/uhid.h b/libc/kernel/uapi/linux/uhid.h
index f0d2b2a..e012a8d 100644
--- a/libc/kernel/uapi/linux/uhid.h
+++ b/libc/kernel/uapi/linux/uhid.h
@@ -23,167 +23,167 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/hid.h>
 enum uhid_event_type {
- __UHID_LEGACY_CREATE,
- UHID_DESTROY,
+  __UHID_LEGACY_CREATE,
+  UHID_DESTROY,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- UHID_START,
- UHID_STOP,
- UHID_OPEN,
- UHID_CLOSE,
+  UHID_START,
+  UHID_STOP,
+  UHID_OPEN,
+  UHID_CLOSE,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- UHID_OUTPUT,
- __UHID_LEGACY_OUTPUT_EV,
- __UHID_LEGACY_INPUT,
- UHID_GET_REPORT,
+  UHID_OUTPUT,
+  __UHID_LEGACY_OUTPUT_EV,
+  __UHID_LEGACY_INPUT,
+  UHID_GET_REPORT,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- UHID_GET_REPORT_REPLY,
- UHID_CREATE2,
- UHID_INPUT2,
- UHID_SET_REPORT,
+  UHID_GET_REPORT_REPLY,
+  UHID_CREATE2,
+  UHID_INPUT2,
+  UHID_SET_REPORT,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- UHID_SET_REPORT_REPLY,
+  UHID_SET_REPORT_REPLY,
 };
 struct uhid_create2_req {
- __u8 name[128];
+  __u8 name[128];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 phys[64];
- __u8 uniq[64];
- __u16 rd_size;
- __u16 bus;
+  __u8 phys[64];
+  __u8 uniq[64];
+  __u16 rd_size;
+  __u16 bus;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 vendor;
- __u32 product;
- __u32 version;
- __u32 country;
+  __u32 vendor;
+  __u32 product;
+  __u32 version;
+  __u32 country;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 rd_data[HID_MAX_DESCRIPTOR_SIZE];
+  __u8 rd_data[HID_MAX_DESCRIPTOR_SIZE];
 } __attribute__((__packed__));
 enum uhid_dev_flag {
- UHID_DEV_NUMBERED_FEATURE_REPORTS = (1ULL << 0),
+  UHID_DEV_NUMBERED_FEATURE_REPORTS = (1ULL << 0),
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- UHID_DEV_NUMBERED_OUTPUT_REPORTS = (1ULL << 1),
- UHID_DEV_NUMBERED_INPUT_REPORTS = (1ULL << 2),
+  UHID_DEV_NUMBERED_OUTPUT_REPORTS = (1ULL << 1),
+  UHID_DEV_NUMBERED_INPUT_REPORTS = (1ULL << 2),
 };
 struct uhid_start_req {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 dev_flags;
+  __u64 dev_flags;
 };
 #define UHID_DATA_MAX 4096
 enum uhid_report_type {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- UHID_FEATURE_REPORT,
- UHID_OUTPUT_REPORT,
- UHID_INPUT_REPORT,
+  UHID_FEATURE_REPORT,
+  UHID_OUTPUT_REPORT,
+  UHID_INPUT_REPORT,
 };
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct uhid_input2_req {
- __u16 size;
- __u8 data[UHID_DATA_MAX];
+  __u16 size;
+  __u8 data[UHID_DATA_MAX];
 } __attribute__((__packed__));
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct uhid_output_req {
- __u8 data[UHID_DATA_MAX];
- __u16 size;
- __u8 rtype;
+  __u8 data[UHID_DATA_MAX];
+  __u16 size;
+  __u8 rtype;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 } __attribute__((__packed__));
 struct uhid_get_report_req {
- __u32 id;
- __u8 rnum;
+  __u32 id;
+  __u8 rnum;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 rtype;
+  __u8 rtype;
 } __attribute__((__packed__));
 struct uhid_get_report_reply_req {
- __u32 id;
+  __u32 id;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u16 err;
- __u16 size;
- __u8 data[UHID_DATA_MAX];
+  __u16 err;
+  __u16 size;
+  __u8 data[UHID_DATA_MAX];
 } __attribute__((__packed__));
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct uhid_set_report_req {
- __u32 id;
- __u8 rnum;
- __u8 rtype;
+  __u32 id;
+  __u8 rnum;
+  __u8 rtype;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u16 size;
- __u8 data[UHID_DATA_MAX];
+  __u16 size;
+  __u8 data[UHID_DATA_MAX];
 } __attribute__((__packed__));
 struct uhid_set_report_reply_req {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 id;
- __u16 err;
+  __u32 id;
+  __u16 err;
 } __attribute__((__packed__));
 enum uhid_legacy_event_type {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- UHID_CREATE = __UHID_LEGACY_CREATE,
- UHID_OUTPUT_EV = __UHID_LEGACY_OUTPUT_EV,
- UHID_INPUT = __UHID_LEGACY_INPUT,
- UHID_FEATURE = UHID_GET_REPORT,
+  UHID_CREATE = __UHID_LEGACY_CREATE,
+  UHID_OUTPUT_EV = __UHID_LEGACY_OUTPUT_EV,
+  UHID_INPUT = __UHID_LEGACY_INPUT,
+  UHID_FEATURE = UHID_GET_REPORT,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- UHID_FEATURE_ANSWER = UHID_GET_REPORT_REPLY,
+  UHID_FEATURE_ANSWER = UHID_GET_REPORT_REPLY,
 };
 struct uhid_create_req {
- __u8 name[128];
+  __u8 name[128];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 phys[64];
- __u8 uniq[64];
- __u8 __user *rd_data;
- __u16 rd_size;
+  __u8 phys[64];
+  __u8 uniq[64];
+  __u8 __user * rd_data;
+  __u16 rd_size;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u16 bus;
- __u32 vendor;
- __u32 product;
- __u32 version;
+  __u16 bus;
+  __u32 vendor;
+  __u32 product;
+  __u32 version;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 country;
+  __u32 country;
 } __attribute__((__packed__));
 struct uhid_input_req {
- __u8 data[UHID_DATA_MAX];
+  __u8 data[UHID_DATA_MAX];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u16 size;
+  __u16 size;
 } __attribute__((__packed__));
 struct uhid_output_ev_req {
- __u16 type;
+  __u16 type;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u16 code;
- __s32 value;
+  __u16 code;
+  __s32 value;
 } __attribute__((__packed__));
 struct uhid_feature_req {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 id;
- __u8 rnum;
- __u8 rtype;
+  __u32 id;
+  __u8 rnum;
+  __u8 rtype;
 } __attribute__((__packed__));
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 struct uhid_feature_answer_req {
- __u32 id;
- __u16 err;
- __u16 size;
+  __u32 id;
+  __u16 err;
+  __u16 size;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 data[UHID_DATA_MAX];
+  __u8 data[UHID_DATA_MAX];
 } __attribute__((__packed__));
 struct uhid_event {
- __u32 type;
+  __u32 type;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- union {
- struct uhid_create_req create;
- struct uhid_input_req input;
- struct uhid_output_req output;
+  union {
+    struct uhid_create_req create;
+    struct uhid_input_req input;
+    struct uhid_output_req output;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- struct uhid_output_ev_req output_ev;
- struct uhid_feature_req feature;
- struct uhid_get_report_req get_report;
- struct uhid_feature_answer_req feature_answer;
+    struct uhid_output_ev_req output_ev;
+    struct uhid_feature_req feature;
+    struct uhid_get_report_req get_report;
+    struct uhid_feature_answer_req feature_answer;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- struct uhid_get_report_reply_req get_report_reply;
- struct uhid_create2_req create2;
- struct uhid_input2_req input2;
- struct uhid_set_report_req set_report;
+    struct uhid_get_report_reply_req get_report_reply;
+    struct uhid_create2_req create2;
+    struct uhid_input2_req input2;
+    struct uhid_set_report_req set_report;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- struct uhid_set_report_reply_req set_report_reply;
- struct uhid_start_req start;
- } u;
+    struct uhid_set_report_reply_req set_report_reply;
+    struct uhid_start_req start;
+  } u;
 } __attribute__((__packed__));
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif