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/perf_regs.h b/libc/kernel/uapi/asm-x86/asm/perf_regs.h
index 61db4e0..a651919 100644
--- a/libc/kernel/uapi/asm-x86/asm/perf_regs.h
+++ b/libc/kernel/uapi/asm-x86/asm/perf_regs.h
@@ -19,38 +19,38 @@
 #ifndef _ASM_X86_PERF_REGS_H
 #define _ASM_X86_PERF_REGS_H
 enum perf_event_x86_regs {
- PERF_REG_X86_AX,
+  PERF_REG_X86_AX,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PERF_REG_X86_BX,
- PERF_REG_X86_CX,
- PERF_REG_X86_DX,
- PERF_REG_X86_SI,
+  PERF_REG_X86_BX,
+  PERF_REG_X86_CX,
+  PERF_REG_X86_DX,
+  PERF_REG_X86_SI,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PERF_REG_X86_DI,
- PERF_REG_X86_BP,
- PERF_REG_X86_SP,
- PERF_REG_X86_IP,
+  PERF_REG_X86_DI,
+  PERF_REG_X86_BP,
+  PERF_REG_X86_SP,
+  PERF_REG_X86_IP,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PERF_REG_X86_FLAGS,
- PERF_REG_X86_CS,
- PERF_REG_X86_SS,
- PERF_REG_X86_DS,
+  PERF_REG_X86_FLAGS,
+  PERF_REG_X86_CS,
+  PERF_REG_X86_SS,
+  PERF_REG_X86_DS,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PERF_REG_X86_ES,
- PERF_REG_X86_FS,
- PERF_REG_X86_GS,
- PERF_REG_X86_R8,
+  PERF_REG_X86_ES,
+  PERF_REG_X86_FS,
+  PERF_REG_X86_GS,
+  PERF_REG_X86_R8,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PERF_REG_X86_R9,
- PERF_REG_X86_R10,
- PERF_REG_X86_R11,
- PERF_REG_X86_R12,
+  PERF_REG_X86_R9,
+  PERF_REG_X86_R10,
+  PERF_REG_X86_R11,
+  PERF_REG_X86_R12,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PERF_REG_X86_R13,
- PERF_REG_X86_R14,
- PERF_REG_X86_R15,
- PERF_REG_X86_32_MAX = PERF_REG_X86_GS + 1,
+  PERF_REG_X86_R13,
+  PERF_REG_X86_R14,
+  PERF_REG_X86_R15,
+  PERF_REG_X86_32_MAX = PERF_REG_X86_GS + 1,
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
- PERF_REG_X86_64_MAX = PERF_REG_X86_R15 + 1,
+  PERF_REG_X86_64_MAX = PERF_REG_X86_R15 + 1,
 };
 #endif