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-arm64/asm/perf_regs.h b/libc/kernel/uapi/asm-arm64/asm/perf_regs.h
index 7110868..741bc75 100644
--- a/libc/kernel/uapi/asm-arm64/asm/perf_regs.h
+++ b/libc/kernel/uapi/asm-arm64/asm/perf_regs.h
@@ -19,48 +19,48 @@
 #ifndef _ASM_ARM64_PERF_REGS_H
 #define _ASM_ARM64_PERF_REGS_H
 enum perf_event_arm_regs {
- PERF_REG_ARM64_X0,
+  PERF_REG_ARM64_X0,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PERF_REG_ARM64_X1,
- PERF_REG_ARM64_X2,
- PERF_REG_ARM64_X3,
- PERF_REG_ARM64_X4,
+  PERF_REG_ARM64_X1,
+  PERF_REG_ARM64_X2,
+  PERF_REG_ARM64_X3,
+  PERF_REG_ARM64_X4,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PERF_REG_ARM64_X5,
- PERF_REG_ARM64_X6,
- PERF_REG_ARM64_X7,
- PERF_REG_ARM64_X8,
+  PERF_REG_ARM64_X5,
+  PERF_REG_ARM64_X6,
+  PERF_REG_ARM64_X7,
+  PERF_REG_ARM64_X8,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PERF_REG_ARM64_X9,
- PERF_REG_ARM64_X10,
- PERF_REG_ARM64_X11,
- PERF_REG_ARM64_X12,
+  PERF_REG_ARM64_X9,
+  PERF_REG_ARM64_X10,
+  PERF_REG_ARM64_X11,
+  PERF_REG_ARM64_X12,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PERF_REG_ARM64_X13,
- PERF_REG_ARM64_X14,
- PERF_REG_ARM64_X15,
- PERF_REG_ARM64_X16,
+  PERF_REG_ARM64_X13,
+  PERF_REG_ARM64_X14,
+  PERF_REG_ARM64_X15,
+  PERF_REG_ARM64_X16,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PERF_REG_ARM64_X17,
- PERF_REG_ARM64_X18,
- PERF_REG_ARM64_X19,
- PERF_REG_ARM64_X20,
+  PERF_REG_ARM64_X17,
+  PERF_REG_ARM64_X18,
+  PERF_REG_ARM64_X19,
+  PERF_REG_ARM64_X20,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PERF_REG_ARM64_X21,
- PERF_REG_ARM64_X22,
- PERF_REG_ARM64_X23,
- PERF_REG_ARM64_X24,
+  PERF_REG_ARM64_X21,
+  PERF_REG_ARM64_X22,
+  PERF_REG_ARM64_X23,
+  PERF_REG_ARM64_X24,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PERF_REG_ARM64_X25,
- PERF_REG_ARM64_X26,
- PERF_REG_ARM64_X27,
- PERF_REG_ARM64_X28,
+  PERF_REG_ARM64_X25,
+  PERF_REG_ARM64_X26,
+  PERF_REG_ARM64_X27,
+  PERF_REG_ARM64_X28,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PERF_REG_ARM64_X29,
- PERF_REG_ARM64_LR,
- PERF_REG_ARM64_SP,
- PERF_REG_ARM64_PC,
+  PERF_REG_ARM64_X29,
+  PERF_REG_ARM64_LR,
+  PERF_REG_ARM64_SP,
+  PERF_REG_ARM64_PC,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PERF_REG_ARM64_MAX,
+  PERF_REG_ARM64_MAX,
 };
 #endif