Differential D22611 Diff 64830 lib/xray/xray_flags.cc

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lib/xray/xray_flags.cc

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				//===-- xray_flags.cc -------------------------------------------- C++ --===//
				//
				// The LLVM Compiler Infrastructure
				//
				// This file is distributed under the University of Illinois Open Source
				// License. See LICENSE.TXT for details.
				//
				//===----------------------------------------------------------------------===//
				//
				// This file is a part of XRay, a dynamic runtime instrumentation system.
				//
				// XRay flag parsing logic.
				//===----------------------------------------------------------------------===//

				#include "xray_flags.h"
				#include "sanitizer_common/sanitizer_common.h"
				#include "sanitizer_common/sanitizer_flag_parser.h"
				#include "sanitizer_common/sanitizer_libc.h"

				using namespace __sanitizer;

				namespace __xray {

				Flags xray_flags_dont_use_directly; // use via flags().

				void Flags::SetDefaults() {
				#define XRAY_FLAG(Type, Name, DefaultValue, Description) Name = DefaultValue;
				#include "xray_flags.inc"
				#undef XRAY_FLAG
				}

				static void RegisterXRayFlags(FlagParser P, Flags F) {
				#define XRAY_FLAG(Type, Name, DefaultValue, Description) \
				RegisterFlag(P, #Name, Description, &F->Name);
				#include "xray_flags.inc"
				#undef XRAY_FLAG
				}

				void InitializeFlags() {
				SetCommonFlagsDefaults();
				auto *F = flags();
				F->SetDefaults();

				FlagParser XRayParser;
				RegisterXRayFlags(&XRayParser, F);
				RegisterCommonFlags(&XRayParser);

				// Override from command line.
				XRayParser.ParseString(GetEnv("XRAY_OPTIONS"));

				InitializeCommonFlags();

				if (Verbosity())
				ReportUnrecognizedFlags();

				if (common_flags()->help) {
				XRayParser.PrintFlagDescriptions();
				}
				}

				} // namespace __xray