Merge pull request #160 from InitialForce/visual_studio_2012_2013

Fix Visual Studio lookup logic to handle Visual Studio 2012 and 2013 (11.0 and 12.0) environment variables

src/CppParser/VSLookup.cpp

@@ -197,6 +197,8 @@ static bool getVisualStudioDir(std::string &path) {
   }
 
   // Try the environment.
+  const char *vs120comntools = getenv("VS120COMNTOOLS");
+  const char *vs110comntools = getenv("VS110COMNTOOLS");
   const char *vs100comntools = getenv("VS100COMNTOOLS");
   const char *vs90comntools = getenv("VS90COMNTOOLS");
   const char *vs80comntools = getenv("VS80COMNTOOLS");
@@ -204,7 +206,15 @@ static bool getVisualStudioDir(std::string &path) {
 
   // Try to find the version that we were compiled with
   if(false) {}
-  #if (_MSC_VER >= 1600)  // VC100
+  #if (_MSC_VER >= 1800)  // VC120
+  else if (vs120comntools) {
+    vscomntools = vs120comntools;
+  }
+  #elif (_MSC_VER == 1700)  // VC110
+  else if (vs110comntools) {
+    vscomntools = vs110comntools;
+  }
+  #elif (_MSC_VER == 1600)  // VC100
   else if(vs100comntools) {
     vscomntools = vs100comntools;
   }
@@ -218,6 +228,10 @@ static bool getVisualStudioDir(std::string &path) {
   }
   #endif
   // Otherwise find any version we can
+  else if (vs120comntools)
+      vscomntools = vs120comntools;
+  else if (vs110comntools)
+      vscomntools = vs110comntools;
   else if (vs100comntools)
     vscomntools = vs100comntools;
   else if (vs90comntools)

src/Parser/VSLookup.cpp

@@ -228,6 +228,10 @@ static bool getVisualStudioDir(std::string &path) {
   }
   #endif
   // Otherwise find any version we can
+  else if (vs120comntools)
+      vscomntools = vs120comntools;
+  else if (vs110comntools)
+      vscomntools = vs110comntools;
   else if (vs100comntools)
       vscomntools = vs100comntools;
   else if (vs90comntools)