Rename getClangSubversionPath() -> getClangRepositoryPath() and have it return a StringRef.

llvm-svn: 94213

clang/include/clang/Basic/Version.h

@@ -15,6 +15,8 @@
 #ifndef LLVM_CLANG_BASIC_VERSION_H
 #define LLVM_CLANG_BASIC_VERSION_H
 
+#include "llvm/ADT/StringRef.h"
+
 /// \brief Clang major version
 #define CLANG_VERSION_MAJOR 1
 
@@ -47,9 +49,10 @@
 #endif
 
 namespace clang {
-  /// \brief Retrieves the Subversion path that identifies the particular 
-  /// Clang branch, tag, or trunk from which this Clang was built.
-  const char *getClangSubversionPath();
+  /// \brief Retrieves the repository path (e.g., Subversion path) that 
+  /// identifies the particular Clang branch, tag, or trunk from which this
+  /// Clang was built.
+  llvm::StringRef getClangRepositoryPath();
   
   /// \brief Retrieves the Subversion revision number from which this Clang
   /// was built.

clang/lib/Basic/Version.cpp

@@ -10,13 +10,16 @@
 // This file defines several version-related utility functions for Clang.
 //
 //===----------------------------------------------------------------------===//
+
+#include "llvm/ADT/StringRef.h"
 #include <cstring>
 #include <cstdlib>
+
 using namespace std;
 
 namespace clang {
   
-const char *getClangSubversionPath() {
+llvm::StringRef getClangRepositoryPath() {
   static const char *Path = 0;
   if (Path)
     return Path;

clang/lib/Driver/Driver.cpp

@@ -286,7 +286,7 @@ void Driver::PrintVersion(const Compilation &C, llvm::raw_ostream &OS) const {
   OS << CLANG_VENDOR;
 #endif
   OS << "clang version " CLANG_VERSION_STRING " ("
-     << getClangSubversionPath();
+     << getClangRepositoryPath();
   if (unsigned Revision = getClangSubversionRevision())
     OS << " " << Revision;
   OS << ")" << '\n';

clang/lib/Frontend/PCHReader.cpp

@@ -1407,9 +1407,9 @@ PCHReader::ReadPCHBlock() {
         return IgnorePCH;
       }
       
-      const char *CurBranch = getClangSubversionPath();
-      if (strncmp(CurBranch, BlobStart, BlobLen)) {
-        std::string PCHBranch(BlobStart, BlobLen);
+      llvm::StringRef CurBranch = getClangRepositoryPath();
+      llvm::StringRef PCHBranch(BlobStart, BlobLen);
+      if (CurBranch != PCHBranch) {
         Diag(diag::warn_pch_different_branch) << PCHBranch << CurBranch;
         return IgnorePCH;
       }

clang/lib/Frontend/PCHWriter.cpp

@@ -716,7 +716,7 @@ void PCHWriter::WriteMetadata(ASTContext &Context, const char *isysroot) {
   Record.clear();
   Record.push_back(pch::SVN_BRANCH_REVISION);
   Record.push_back(getClangSubversionRevision());
-  Stream.EmitRecordWithBlob(SvnAbbrevCode, Record, getClangSubversionPath());
+  Stream.EmitRecordWithBlob(SvnAbbrevCode, Record, getClangRepositoryPath());
 }
 
 /// \brief Write the LangOptions structure.