Move SanitizerArgs to the clang Driver

Summary:
This change turns SanitizerArgs into high-level options
stored in the Driver, which are parsed lazily. This fixes an issue of multiple copies of the same diagnostic message produced by sanitizer arguments parser.

Reviewers: rsmith

Reviewed By: rsmith

CC: chandlerc, eugenis, cfe-commits

Differential Revision: http://llvm-reviews.chandlerc.com/D1341

llvm-svn: 188660

1 files changed, 0 insertions, 129 deletions

diff --git a/clang/lib/Driver/SanitizerArgs.h b/clang/lib/Driver/SanitizerArgs.h
deleted file mode 100644
index 8776022eddb..00000000000
--- a/clang/lib/Driver/SanitizerArgs.h
+++ /dev/null
@@ -1,129 +0,0 @@
-//===--- SanitizerArgs.h - Arguments for sanitizer tools  -------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-#ifndef CLANG_LIB_DRIVER_SANITIZERARGS_H_
-#define CLANG_LIB_DRIVER_SANITIZERARGS_H_
-
-#include <string>
-
-#include "llvm/Option/Arg.h"
-#include "llvm/Option/ArgList.h"
-
-namespace clang {
-namespace driver {
-
-class Driver;
-class ToolChain;
-
-class SanitizerArgs {
-  /// Assign ordinals to sanitizer flags. We'll use the ordinal values as
-  /// bit positions within \c Kind.
-  enum SanitizeOrdinal {
-#define SANITIZER(NAME, ID) SO_##ID,
-#include "clang/Basic/Sanitizers.def"
-    SO_Count
-  };
-
-  /// Bugs to catch at runtime.
-  enum SanitizeKind {
-#define SANITIZER(NAME, ID) ID = 1 << SO_##ID,
-#define SANITIZER_GROUP(NAME, ID, ALIAS) ID = ALIAS,
-#include "clang/Basic/Sanitizers.def"
-    NeedsAsanRt = Address,
-    NeedsTsanRt = Thread,
-    NeedsMsanRt = Memory,
-    NeedsDfsanRt = DataFlow,
-    NeedsLeakDetection = Leak,
-    NeedsUbsanRt = Undefined | Integer,
-    NotAllowedWithTrap = Vptr,
-    HasZeroBaseShadow = Thread | Memory | DataFlow
-  };
-  unsigned Kind;
-
-  std::string BlacklistFile;
-  bool MsanTrackOrigins;
-  enum AsanZeroBaseShadowKind {
-    AZBSK_Default,  // Default value is toolchain-specific.
-    AZBSK_On,
-    AZBSK_Off
-  } AsanZeroBaseShadow;
-  bool UbsanTrapOnError;
-
- public:
-  SanitizerArgs();
-  /// Parses the sanitizer arguments from an argument list.
-  SanitizerArgs(const Driver &D, const llvm::opt::ArgList &Args);
-
-  void parse(const Driver &D, const llvm::opt::ArgList &Args);
-
-  bool needsAsanRt() const { return Kind & NeedsAsanRt; }
-  bool needsTsanRt() const { return Kind & NeedsTsanRt; }
-  bool needsMsanRt() const { return Kind & NeedsMsanRt; }
-  bool needsLeakDetection() const { return Kind & NeedsLeakDetection; }
-  bool needsLsanRt() const {
-    return needsLeakDetection() && !needsAsanRt();
-  }
-  bool needsUbsanRt() const {
-    return !UbsanTrapOnError && (Kind & NeedsUbsanRt);
-  }
-  bool needsDfsanRt() const { return Kind & NeedsDfsanRt; }
-
-  bool sanitizesVptr() const { return Kind & Vptr; }
-  bool notAllowedWithTrap() const { return Kind & NotAllowedWithTrap; }
-  bool hasZeroBaseShadow(const ToolChain &TC) const {
-    return (Kind & HasZeroBaseShadow) || hasAsanZeroBaseShadow(TC);
-  }
-  void addArgs(const ToolChain &TC, const llvm::opt::ArgList &Args,
-               llvm::opt::ArgStringList &CmdArgs) const;
-
- private:
-  void clear();
-
-  bool hasAsanZeroBaseShadow(const ToolChain &TC) const;
-
-  /// Parse a single value from a -fsanitize= or -fno-sanitize= value list.
-  /// Returns OR of members of the \c SanitizeKind enumeration, or \c 0
-  /// if \p Value is not known.
-  static unsigned parse(const char *Value);
-
-  /// Parse a -fsanitize= or -fno-sanitize= argument's values, diagnosing any
-  /// invalid components.
-  static unsigned parse(const Driver &D, const llvm::opt::Arg *A,
-                        bool DiagnoseErrors);
-
-  /// Parse a single flag of the form -f[no]sanitize=, or
-  /// -f*-sanitizer. Sets the masks defining required change of Kind value.
-  /// Returns true if the flag was parsed successfully.
-  static bool parse(const Driver &D, const llvm::opt::ArgList &Args,
-                    const llvm::opt::Arg *A, unsigned &Add, unsigned &Remove,
-                    bool DiagnoseErrors);
-
-  /// Produce an argument string from ArgList \p Args, which shows how it
-  /// provides a sanitizer kind in \p Mask. For example, the argument list
-  /// "-fsanitize=thread,vptr -faddress-sanitizer" with mask \c NeedsUbsanRt
-  /// would produce "-fsanitize=vptr".
-  static std::string lastArgumentForKind(const Driver &D,
-                                         const llvm::opt::ArgList &Args,
-                                         unsigned Kind);
-
-  /// Produce an argument string from argument \p A, which shows how it provides
-  /// a value in \p Mask. For instance, the argument
-  /// "-fsanitize=address,alignment" with mask \c NeedsUbsanRt would produce
-  /// "-fsanitize=alignment".
-  static std::string describeSanitizeArg(const llvm::opt::ArgList &Args,
-                                         const llvm::opt::Arg *A,
-                                         unsigned Mask);
-
-  static bool getDefaultBlacklistForKind(const Driver &D, unsigned Kind,
-                                         std::string &BLPath);
-};
-
-}  // namespace driver
-}  // namespace clang
-
-#endif // CLANG_LIB_DRIVER_SANITIZERARGS_H_