[llvm-commits] [llvm] r94544 - /llvm/trunk/lib/CompilerDriver/CompilationGraph.cpp

[Mikhail Glushenkov]

Author: foldr
Date: Tue Jan 26 08:55:16 2010
New Revision: 94544

URL: http://llvm.org/viewvc/llvm-project?rev=94544&view=rev
Log:
Better error message.

Modified:
    llvm/trunk/lib/CompilerDriver/CompilationGraph.cpp

Modified: llvm/trunk/lib/CompilerDriver/CompilationGraph.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CompilerDriver/CompilationGraph.cpp?rev=94544&r1=94543&r2=94544&view=diff

==============================================================================
--- llvm/trunk/lib/CompilerDriver/CompilationGraph.cpp (original)
+++ llvm/trunk/lib/CompilerDriver/CompilationGraph.cpp Tue Jan 26 08:55:16 2010
@@ -33,9 +33,11 @@
 namespace llvmc {
 
   const std::string& LanguageMap::GetLanguage(const sys::Path& File) const {
-    LanguageMap::const_iterator Lang = this->find(File.getSuffix());
+    StringRef suf = File.getSuffix();
+    LanguageMap::const_iterator Lang = this->find(suf);
     if (Lang == this->end())
-      throw std::runtime_error(("Unknown suffix: " + File.getSuffix()).str());
+      throw std::runtime_error("File '" + File.str() +
+                                "' has unknown suffix '" + suf.str() + '\'');
     return Lang->second;
   }
 }