Subzero: Allow overriding command-line args from the browser.

src/IceRangeSpec.h

 //===- subzero/src/IceRangeSpec.h - Include/exclude specs -------*- C++ -*-===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 ///
 /// \file
@@ skipping 41 matching lines @@
   bool match(const std::string &Name, uint32_t Number) const;
   bool match(GlobalString Name, uint32_t Number) const {
     return match(Name.toStringOrEmpty(), Number);
   }
   // Returns true if any RangeSpec object has had init() called with an explicit
   // name rather than (or in addition to) a numeric range.  If so, we want to
   // construct explicit names for functions even in a non-DUMP build so that
   // matching on function name works correctly.  Note that this is not
   // thread-safe, so we count on all this being handled by the startup thread.
   static bool hasNames() { return HasNames; }
+  // Helper function to tokenize a string into a vector of string tokens, given
+  // a single delimiter character.  An empty string produces an empty token
+  // vector.  Zero-length tokens are allowed, e.g. ",a,,,b," may tokenize to
+  // {"","a","","","b",""}.
+  static std::vector<std::string> tokenize(const std::string &Spec,
+                                           char Delimiter);
 
 private:
   void include(const std::string &Token);
   void exclude(const std::string &Token);
   Desc Includes;
   Desc Excludes;
   static bool HasNames;
 };
 
 } // end of namespace Ice
 
 #endif // SUBZERO_SRC_ICERANGESPEC_H