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/asm-x86/asm/bootparam.h b/libc/kernel/uapi/asm-x86/asm/bootparam.h
index b576825..27201d6 100644
--- a/libc/kernel/uapi/asm-x86/asm/bootparam.h
+++ b/libc/kernel/uapi/asm-x86/asm/bootparam.h
@@ -28,17 +28,17 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define RAMDISK_PROMPT_FLAG 0x8000
 #define RAMDISK_LOAD_FLAG 0x4000
-#define LOADED_HIGH (1<<0)
-#define QUIET_FLAG (1<<5)
+#define LOADED_HIGH (1 << 0)
+#define QUIET_FLAG (1 << 5)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define KEEP_SEGMENTS (1<<6)
-#define CAN_USE_HEAP (1<<7)
-#define XLF_KERNEL_64 (1<<0)
-#define XLF_CAN_BE_LOADED_ABOVE_4G (1<<1)
+#define KEEP_SEGMENTS (1 << 6)
+#define CAN_USE_HEAP (1 << 7)
+#define XLF_KERNEL_64 (1 << 0)
+#define XLF_CAN_BE_LOADED_ABOVE_4G (1 << 1)
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
-#define XLF_EFI_HANDOVER_32 (1<<2)
-#define XLF_EFI_HANDOVER_64 (1<<3)
-#define XLF_EFI_KEXEC (1<<4)
+#define XLF_EFI_HANDOVER_32 (1 << 2)
+#define XLF_EFI_HANDOVER_64 (1 << 3)
+#define XLF_EFI_KEXEC (1 << 4)
 #ifndef __ASSEMBLY__
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #include <linux/types.h>
@@ -51,138 +51,138 @@
 #include <video/edid.h>
 struct setup_data {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 next;
- __u32 type;
- __u32 len;
- __u8 data[0];
+  __u64 next;
+  __u32 type;
+  __u32 len;
+  __u8 data[0];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 struct setup_header {
- __u8 setup_sects;
- __u16 root_flags;
+  __u8 setup_sects;
+  __u16 root_flags;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 syssize;
- __u16 ram_size;
- __u16 vid_mode;
- __u16 root_dev;
+  __u32 syssize;
+  __u16 ram_size;
+  __u16 vid_mode;
+  __u16 root_dev;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u16 boot_flag;
- __u16 jump;
- __u32 header;
- __u16 version;
+  __u16 boot_flag;
+  __u16 jump;
+  __u32 header;
+  __u16 version;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 realmode_swtch;
- __u16 start_sys;
- __u16 kernel_version;
- __u8 type_of_loader;
+  __u32 realmode_swtch;
+  __u16 start_sys;
+  __u16 kernel_version;
+  __u8 type_of_loader;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 loadflags;
- __u16 setup_move_size;
- __u32 code32_start;
- __u32 ramdisk_image;
+  __u8 loadflags;
+  __u16 setup_move_size;
+  __u32 code32_start;
+  __u32 ramdisk_image;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 ramdisk_size;
- __u32 bootsect_kludge;
- __u16 heap_end_ptr;
- __u8 ext_loader_ver;
+  __u32 ramdisk_size;
+  __u32 bootsect_kludge;
+  __u16 heap_end_ptr;
+  __u8 ext_loader_ver;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 ext_loader_type;
- __u32 cmd_line_ptr;
- __u32 initrd_addr_max;
- __u32 kernel_alignment;
+  __u8 ext_loader_type;
+  __u32 cmd_line_ptr;
+  __u32 initrd_addr_max;
+  __u32 kernel_alignment;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 relocatable_kernel;
- __u8 min_alignment;
- __u16 xloadflags;
- __u32 cmdline_size;
+  __u8 relocatable_kernel;
+  __u8 min_alignment;
+  __u16 xloadflags;
+  __u32 cmdline_size;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 hardware_subarch;
- __u64 hardware_subarch_data;
- __u32 payload_offset;
- __u32 payload_length;
+  __u32 hardware_subarch;
+  __u64 hardware_subarch_data;
+  __u32 payload_offset;
+  __u32 payload_length;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u64 setup_data;
- __u64 pref_address;
- __u32 init_size;
- __u32 handover_offset;
+  __u64 setup_data;
+  __u64 pref_address;
+  __u32 init_size;
+  __u32 handover_offset;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 } __attribute__((packed));
 struct sys_desc_table {
- __u16 length;
- __u8 table[14];
+  __u16 length;
+  __u8 table[14];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 struct olpc_ofw_header {
- __u32 ofw_magic;
- __u32 ofw_version;
+  __u32 ofw_magic;
+  __u32 ofw_version;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 cif_handler;
- __u32 irq_desc_table;
+  __u32 cif_handler;
+  __u32 irq_desc_table;
 } __attribute__((packed));
 struct efi_info {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 efi_loader_signature;
- __u32 efi_systab;
- __u32 efi_memdesc_size;
- __u32 efi_memdesc_version;
+  __u32 efi_loader_signature;
+  __u32 efi_systab;
+  __u32 efi_memdesc_size;
+  __u32 efi_memdesc_version;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 efi_memmap;
- __u32 efi_memmap_size;
- __u32 efi_systab_hi;
- __u32 efi_memmap_hi;
+  __u32 efi_memmap;
+  __u32 efi_memmap_size;
+  __u32 efi_systab_hi;
+  __u32 efi_memmap_hi;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 };
 struct boot_params {
- struct screen_info screen_info;
- struct apm_bios_info apm_bios_info;
+  struct screen_info screen_info;
+  struct apm_bios_info apm_bios_info;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 _pad2[4];
- __u64 tboot_addr;
- struct ist_info ist_info;
- __u8 _pad3[16];
+  __u8 _pad2[4];
+  __u64 tboot_addr;
+  struct ist_info ist_info;
+  __u8 _pad3[16];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 hd0_info[16];
- __u8 hd1_info[16];
- struct sys_desc_table sys_desc_table;
- struct olpc_ofw_header olpc_ofw_header;
+  __u8 hd0_info[16];
+  __u8 hd1_info[16];
+  struct sys_desc_table sys_desc_table;
+  struct olpc_ofw_header olpc_ofw_header;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u32 ext_ramdisk_image;
- __u32 ext_ramdisk_size;
- __u32 ext_cmd_line_ptr;
- __u8 _pad4[116];
+  __u32 ext_ramdisk_image;
+  __u32 ext_ramdisk_size;
+  __u32 ext_cmd_line_ptr;
+  __u8 _pad4[116];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- struct edid_info edid_info;
- struct efi_info efi_info;
- __u32 alt_mem_k;
- __u32 scratch;
+  struct edid_info edid_info;
+  struct efi_info efi_info;
+  __u32 alt_mem_k;
+  __u32 scratch;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 e820_entries;
- __u8 eddbuf_entries;
- __u8 edd_mbr_sig_buf_entries;
- __u8 kbd_status;
+  __u8 e820_entries;
+  __u8 eddbuf_entries;
+  __u8 edd_mbr_sig_buf_entries;
+  __u8 kbd_status;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 _pad5[3];
- __u8 sentinel;
- __u8 _pad6[1];
- struct setup_header hdr;
+  __u8 _pad5[3];
+  __u8 sentinel;
+  __u8 _pad6[1];
+  struct setup_header hdr;
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- __u8 _pad7[0x290-0x1f1-sizeof(struct setup_header)];
- __u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX];
- struct e820entry e820_map[E820MAX];
- __u8 _pad8[48];
+  __u8 _pad7[0x290 - 0x1f1 - sizeof(struct setup_header)];
+  __u32 edd_mbr_sig_buffer[EDD_MBR_SIG_MAX];
+  struct e820entry e820_map[E820MAX];
+  __u8 _pad8[48];
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- struct edd_info eddbuf[EDDMAXNR];
- __u8 _pad9[276];
+  struct edd_info eddbuf[EDDMAXNR];
+  __u8 _pad9[276];
 } __attribute__((packed));
 enum {
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- X86_SUBARCH_PC = 0,
- X86_SUBARCH_LGUEST,
- X86_SUBARCH_XEN,
- X86_SUBARCH_INTEL_MID,
+  X86_SUBARCH_PC = 0,
+  X86_SUBARCH_LGUEST,
+  X86_SUBARCH_XEN,
+  X86_SUBARCH_INTEL_MID,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- X86_SUBARCH_CE4100,
- X86_NR_SUBARCHS,
+  X86_SUBARCH_CE4100,
+  X86_NR_SUBARCHS,
 };
 #endif
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */