Implement the "setIncludePaths" and "setSymbolDefines" interface methods.
Revise token substitution to be a little faster.
Clean up exception throwing, make sure its always a std::string.

llvm-svn: 16116
diff --git a/llvm/tools/llvmc/CompilerDriver.h b/llvm/tools/llvmc/CompilerDriver.h
index ea999b4..4a858ad 100644
--- a/llvm/tools/llvmc/CompilerDriver.h
+++ b/llvm/tools/llvmc/CompilerDriver.h
@@ -161,6 +161,12 @@
       virtual void setPhaseArgs(Phases phase, const StringVector& opts) = 0; 
 
       /// @brief Set Library Paths
+      virtual void setIncludePaths(const StringVector& paths) = 0;
+
+      /// @brief Set Library Paths
+      virtual void setSymbolDefines(const StringVector& paths) = 0;
+
+      /// @brief Set Library Paths
       virtual void setLibraryPaths(const StringVector& paths) = 0;
 
       /// @brief Set the list of library paths to be searched for