[cfe-commits] r89517 - /cfe/trunk/lib/Frontend/InitHeaderSearch.cpp

John Thompson john.thompson.jtsoftware at gmail.com
Mon Nov 23 09:52:25 PST 2009


Sorry about that.  I don't know what's wrong yet, so I put back the
hard-coded paths.

Meanwhile, I'm setting up my spare machine, which is pretty clean, with VC9
and the needed tools and will see if it happens there.
-John
On Sat, Nov 21, 2009 at 8:39 PM, Daniel Dunbar <daniel at zuster.org> wrote:

> Hi John,
>
> It looks like this broke the windows buildbot, can you take a look, or
> tell me what I should check (in the registry) to see what it is
> failing.
>
> I recently upgraded the Windows box to be a very straightforward
> out-of-the-box XP + VS 2009 install (+ gnuwin32), so this is
> definitely a platform I would hope keeps working OOTB.
>
>  - Daniel
>
> On Fri, Nov 20, 2009 at 4:15 PM, John Thompson
> <John.Thompson.JTSoftware at gmail.com> wrote:
> > Author: jtsoftware
> > Date: Fri Nov 20 18:15:52 2009
> > New Revision: 89517
> >
> > URL: http://llvm.org/viewvc/llvm-project?rev=89517&view=rev
> > Log:
> > Revised Win32 include path to search highest version in registry, plus
> platform SDK path
> >
> > Modified:
> >    cfe/trunk/lib/Frontend/InitHeaderSearch.cpp
> >
> > Modified: cfe/trunk/lib/Frontend/InitHeaderSearch.cpp
> > URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Frontend/InitHeaderSearch.cpp?rev=89517&r1=89516&r2=89517&view=diff
> >
> >
> ==============================================================================
> > --- cfe/trunk/lib/Frontend/InitHeaderSearch.cpp (original)
> > +++ cfe/trunk/lib/Frontend/InitHeaderSearch.cpp Fri Nov 20 18:15:52 2009
> > @@ -194,7 +194,15 @@
> >
> >   // FIXME: This probably should goto to some platform utils place.
> >  #ifdef _MSC_VER
> > +
> >   // Read registry string.
> > +  // This also supports a means to look for high-versioned keys by use
> > +  // of a $VERSION placeholder in the key path.
> > +  // $VERSION in the key path is a placeholder for the version number,
> > +  // causing the highest value path to be searched for and used.
> > +  // I.e.
> "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION".
> > +  // There can be additional characters in the component.  Only the
> numberic
> > +  // characters are compared.
> >  bool getSystemRegistryString(const char *keyPath, const char *valueName,
> >                        char *value, size_t maxLength) {
> >   HKEY hRootKey = NULL;
> > @@ -202,6 +210,7 @@
> >   const char* subKey = NULL;
> >   DWORD valueType;
> >   DWORD valueSize = maxLength - 1;
> > +  long lResult;
> >   bool returnValue = false;
> >   if (strncmp(keyPath, "HKEY_CLASSES_ROOT\\", 18) == 0) {
> >     hRootKey = HKEY_CLASSES_ROOT;
> > @@ -221,13 +230,80 @@
> >   }
> >   else
> >     return(false);
> > -  long lResult = RegOpenKeyEx(hRootKey, subKey, 0, KEY_READ, &hKey);
> > -  if (lResult == ERROR_SUCCESS) {
> > -    lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType,
> > -      (LPBYTE)value, &valueSize);
> > -    if (lResult == ERROR_SUCCESS)
> > -      returnValue = true;
> > -    RegCloseKey(hKey);
> > +  const char *placeHolder = strstr(subKey, "$VERSION");
> > +  char bestName[256];
> > +  bestName[0] = '\0';
> > +  // If we have a $VERSION placeholder, do the highest-version search.
> > +  if (placeHolder) {
> > +    const char *keyEnd = placeHolder - 1;
> > +    const char *nextKey = placeHolder;
> > +    // Find end of previous key.
> > +    while ((keyEnd > subKey) && (*keyEnd != '\\'))
> > +      keyEnd--;
> > +    // Find end of key containing $VERSION.
> > +    while (*nextKey && (*nextKey != '\\'))
> > +      nextKey++;
> > +    size_t partialKeyLength = keyEnd - subKey;
> > +    char partialKey[256];
> > +    if (partialKeyLength > sizeof(partialKey))
> > +      partialKeyLength = sizeof(partialKey);
> > +    strncpy(partialKey, subKey, partialKeyLength);
> > +    partialKey[partialKeyLength] = '\0';
> > +    HKEY hTopKey = NULL;
> > +    lResult = RegOpenKeyEx(hRootKey, partialKey, 0, KEY_READ, &hTopKey);
> > +    if (lResult == ERROR_SUCCESS) {
> > +      char keyName[256];
> > +      int bestIndex = -1;
> > +      double bestValue = 0.0;
> > +      DWORD index, size = sizeof(keyName) - 1;
> > +      for (index = 0; RegEnumKeyEx(hTopKey, index, keyName, &size, NULL,
> > +          NULL, NULL, NULL) == ERROR_SUCCESS; index++) {
> > +        const char *sp = keyName;
> > +        while (*sp && !isdigit(*sp))
> > +          sp++;
> > +        if (!*sp)
> > +          continue;
> > +        const char *ep = sp + 1;
> > +        while (*ep && (isdigit(*ep) || (*ep == '.')))
> > +          ep++;
> > +        char numBuf[32];
> > +        strncpy(numBuf, sp, sizeof(numBuf) - 1);
> > +        numBuf[sizeof(numBuf) - 1] = '\0';
> > +        double value = strtod(numBuf, NULL);
> > +        if (value > bestValue) {
> > +          bestIndex = (int)index;
> > +          bestValue = value;
> > +          strcpy(bestName, keyName);
> > +        }
> > +        size = sizeof(keyName) - 1;
> > +      }
> > +      // If we found the highest versioned key, open the key and get the
> value.
> > +      if (bestIndex != -1) {
> > +        // Append rest of key.
> > +        strncat(bestName, nextKey, sizeof(bestName) - 1);
> > +        bestName[sizeof(bestName) - 1] = '\0';
> > +        // Open the chosen key path remainder.
> > +        lResult = RegOpenKeyEx(hTopKey, bestName, 0, KEY_READ, &hKey);
> > +        if (lResult == ERROR_SUCCESS) {
> > +          lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType,
> > +            (LPBYTE)value, &valueSize);
> > +          if (lResult == ERROR_SUCCESS)
> > +            returnValue = true;
> > +          RegCloseKey(hKey);
> > +        }
> > +      }
> > +      RegCloseKey(hTopKey);
> > +    }
> > +  }
> > +  else {
> > +    lResult = RegOpenKeyEx(hRootKey, subKey, 0, KEY_READ, &hKey);
> > +    if (lResult == ERROR_SUCCESS) {
> > +      lResult = RegQueryValueEx(hKey, valueName, NULL, &valueType,
> > +        (LPBYTE)value, &valueSize);
> > +      if (lResult == ERROR_SUCCESS)
> > +        returnValue = true;
> > +      RegCloseKey(hKey);
> > +    }
> >   }
> >   return(returnValue);
> >  }
> > @@ -240,35 +316,13 @@
> >
> >   // Get Visual Studio installation directory.
> >  bool getVisualStudioDir(std::string &path) {
> > +  char vsIDEInstallDir[256];
> >   // Try the Windows registry first.
> > -  char vs80IDEInstallDir[256];
> > -  char vs90IDEInstallDir[256];
> > -  const char* vsIDEInstallDir = NULL;
> > -  bool has80 = getSystemRegistryString(
> > -    "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\8.0",
> > -    "InstallDir", vs80IDEInstallDir, sizeof(vs80IDEInstallDir) - 1);
> > -  bool has90 = getSystemRegistryString(
> > -    "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\9.0",
> > -    "InstallDir", vs90IDEInstallDir, sizeof(vs90IDEInstallDir) - 1);
> > +  bool hasVCDir = getSystemRegistryString(
> > +    "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\VisualStudio\\$VERSION",
> > +    "InstallDir", vsIDEInstallDir, sizeof(vsIDEInstallDir) - 1);
> >     // If we have both vc80 and vc90, pick version we were compiled with.
> > -  if (has80 && has90) {
> > -    #ifdef _MSC_VER
> > -      #if (_MSC_VER >= 1500)  // VC90
> > -          vsIDEInstallDir = vs90IDEInstallDir;
> > -      #elif (_MSC_VER == 1400) // VC80
> > -          vsIDEInstallDir = vs80IDEInstallDir;
> > -      #else
> > -          vsIDEInstallDir = vs90IDEInstallDir;
> > -      #endif
> > -    #else
> > -      vsIDEInstallDir = vs90IDEInstallDir;
> > -    #endif
> > -  }
> > -  else if (has90)
> > -    vsIDEInstallDir = vs90IDEInstallDir;
> > -  else if (has80)
> > -    vsIDEInstallDir = vs80IDEInstallDir;
> > -  if (vsIDEInstallDir && *vsIDEInstallDir) {
> > +  if (hasVCDir && vsIDEInstallDir[0]) {
> >     char *p = (char*)strstr(vsIDEInstallDir, "\\Common7\\IDE");
> >     if (p)
> >       *p = '\0';
> > @@ -307,6 +361,21 @@
> >   return(false);
> >  }
> >
> > +  // Get Windows SDK installation directory.
> > +bool getWindowsSDKDir(std::string &path) {
> > +  char windowsSDKInstallDir[256];
> > +  // Try the Windows registry.
> > +  bool hasSDKDir = getSystemRegistryString(
> > +   "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Microsoft
> SDKs\\Windows\\$VERSION",
> > +    "InstallationFolder", windowsSDKInstallDir,
> sizeof(windowsSDKInstallDir) - 1);
> > +    // If we have both vc80 and vc90, pick version we were compiled
> with.
> > +  if (hasSDKDir && windowsSDKInstallDir[0]) {
> > +    path = windowsSDKInstallDir;
> > +    return(true);
> > +  }
> > +  return(false);
> > +}
> > +
> >  void InitHeaderSearch::AddDefaultCIncludePaths(const llvm::Triple
> &triple) {
> >   // FIXME: temporary hack: hard-coded paths.
> >   llvm::StringRef CIncludeDirs(C_INCLUDE_DIRS);
> > @@ -324,29 +393,14 @@
> >   case llvm::Triple::Win32:
> >     {
> >       std::string VSDir;
> > +      std::string WindowsSDKDir;
> >       if (getVisualStudioDir(VSDir)) {
> >         AddPath(VSDir + "\\VC\\include", System, false, false, false);
> > -        AddPath(VSDir + "\\VC\\PlatformSDK\\Include",
> > -          System, false, false, false);
> > -      }
> > -      else {
> > -          // Default install paths.
> > -        AddPath("C:/Program Files/Microsoft Visual Studio
> 9.0/VC/include",
> > -          System, false, false, false);
> > -        AddPath(
> > -        "C:/Program Files/Microsoft Visual Studio
> 9.0/VC/PlatformSDK/Include",
> > -          System, false, false, false);
> > -        AddPath("C:/Program Files/Microsoft Visual Studio 8/VC/include",
> > -          System, false, false, false);
> > -        AddPath(
> > -        "C:/Program Files/Microsoft Visual Studio
> 8/VC/PlatformSDK/Include",
> > -          System, false, false, false);
> > -          // For some clang developers.
> > -        AddPath("G:/Program Files/Microsoft Visual Studio
> 9.0/VC/include",
> > -          System, false, false, false);
> > -        AddPath(
> > -        "G:/Program Files/Microsoft Visual Studio
> 9.0/VC/PlatformSDK/Include",
> > -          System, false, false, false);
> > +        if (getWindowsSDKDir(WindowsSDKDir))
> > +          AddPath(WindowsSDKDir, System, false, false, false);
> > +        else
> > +          AddPath(VSDir + "\\VC\\PlatformSDK\\Include",
> > +            System, false, false, false);
> >       }
> >     }
> >     break;
> >
> >
> > _______________________________________________
> > cfe-commits mailing list
> > cfe-commits at cs.uiuc.edu
> > http://lists.cs.uiuc.edu/mailman/listinfo/cfe-commits
> >
>



-- 
John Thompson
John.Thompson.JTSoftware at gmail.com
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