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/dvb/audio.h b/libc/kernel/uapi/linux/dvb/audio.h
index 5e1b1a4..66c2eee 100644
--- a/libc/kernel/uapi/linux/dvb/audio.h
+++ b/libc/kernel/uapi/linux/dvb/audio.h
@@ -21,84 +21,83 @@
 #include <linux/types.h>
 typedef enum {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- AUDIO_SOURCE_DEMUX,
- AUDIO_SOURCE_MEMORY
+  AUDIO_SOURCE_DEMUX,
+  AUDIO_SOURCE_MEMORY
 } audio_stream_source_t;
 typedef enum {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- AUDIO_STOPPED,
- AUDIO_PLAYING,
- AUDIO_PAUSED
+  AUDIO_STOPPED,
+  AUDIO_PLAYING,
+  AUDIO_PAUSED
 } audio_play_state_t;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 typedef enum {
- AUDIO_STEREO,
- AUDIO_MONO_LEFT,
- AUDIO_MONO_RIGHT,
+  AUDIO_STEREO,
+  AUDIO_MONO_LEFT,
+  AUDIO_MONO_RIGHT,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- AUDIO_MONO,
- AUDIO_STEREO_SWAPPED
+  AUDIO_MONO,
+  AUDIO_STEREO_SWAPPED
 } audio_channel_select_t;
 typedef struct audio_mixer {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- unsigned int volume_left;
- unsigned int volume_right;
+  unsigned int volume_left;
+  unsigned int volume_right;
 } audio_mixer_t;
 typedef struct audio_status {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int AV_sync_state;
- int mute_state;
- audio_play_state_t play_state;
- audio_stream_source_t stream_source;
+  int AV_sync_state;
+  int mute_state;
+  audio_play_state_t play_state;
+  audio_stream_source_t stream_source;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- audio_channel_select_t channel_select;
- int bypass_mode;
- audio_mixer_t mixer_state;
+  audio_channel_select_t channel_select;
+  int bypass_mode;
+  audio_mixer_t mixer_state;
 } audio_status_t;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-typedef
-struct audio_karaoke {
- int vocal1;
- int vocal2;
+typedef struct audio_karaoke {
+  int vocal1;
+  int vocal2;
+  int melody;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- int melody;
 } audio_karaoke_t;
 typedef __u16 audio_attributes_t;
 #define AUDIO_CAP_DTS 1
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AUDIO_CAP_LPCM 2
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AUDIO_CAP_MP1 4
 #define AUDIO_CAP_MP2 8
 #define AUDIO_CAP_MP3 16
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AUDIO_CAP_AAC 32
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AUDIO_CAP_OGG 64
 #define AUDIO_CAP_SDDS 128
 #define AUDIO_CAP_AC3 256
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AUDIO_STOP _IO('o', 1)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AUDIO_PLAY _IO('o', 2)
 #define AUDIO_PAUSE _IO('o', 3)
 #define AUDIO_CONTINUE _IO('o', 4)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AUDIO_SELECT_SOURCE _IO('o', 5)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AUDIO_SET_MUTE _IO('o', 6)
 #define AUDIO_SET_AV_SYNC _IO('o', 7)
 #define AUDIO_SET_BYPASS_MODE _IO('o', 8)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AUDIO_CHANNEL_SELECT _IO('o', 9)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AUDIO_GET_STATUS _IOR('o', 10, audio_status_t)
 #define AUDIO_GET_CAPABILITIES _IOR('o', 11, unsigned int)
 #define AUDIO_CLEAR_BUFFER _IO('o', 12)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AUDIO_SET_ID _IO('o', 13)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AUDIO_SET_MIXER _IOW('o', 14, audio_mixer_t)
 #define AUDIO_SET_STREAMTYPE _IO('o', 15)
 #define AUDIO_SET_EXT_ID _IO('o', 16)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AUDIO_SET_ATTRIBUTES _IOW('o', 17, audio_attributes_t)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define AUDIO_SET_KARAOKE _IOW('o', 18, audio_karaoke_t)
 #define AUDIO_GET_PTS _IOR('o', 19, __u64)
 #define AUDIO_BILINGUAL_CHANNEL_SELECT _IO('o', 20)
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */