Machine-readable TurboFan compiler statistics

src/compilation-statistics.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_COMPILATION_STATISTICS_H_
 #define V8_COMPILATION_STATISTICS_H_
 
 #include <map>
 #include <string>
 
 #include "src/allocation.h"
 #include "src/base/platform/time.h"
 
 namespace v8 {
 namespace internal {
 
 class CompilationInfo;
+class CompilationStatistics;
+
+struct AsPrintableStatistics {
+  const CompilationStatistics& s;
+  const bool machine_output;
+};
 
 class CompilationStatistics final : public Malloced {
  public:
   CompilationStatistics() {}
 
   class BasicStats {
    public:
     BasicStats()
         : total_allocated_bytes_(0),
           max_allocated_bytes_(0),
@@ skipping 30 matching lines @@
   };
 
   class PhaseStats : public OrderedStats {
    public:
     PhaseStats(size_t insert_order, const char* phase_kind_name)
         : OrderedStats(insert_order), phase_kind_name_(phase_kind_name) {}
     std::string phase_kind_name_;
   };
 
   friend std::ostream& operator<<(std::ostream& os,
-                                  const CompilationStatistics& s);
+                                  const AsPrintableStatistics& s);
 
   typedef OrderedStats PhaseKindStats;
   typedef std::map<std::string, PhaseKindStats> PhaseKindMap;
   typedef std::map<std::string, PhaseStats> PhaseMap;
 
   TotalStats total_stats_;
   PhaseKindMap phase_kind_map_;
   PhaseMap phase_map_;
 
   DISALLOW_COPY_AND_ASSIGN(CompilationStatistics);
 };
 
-std::ostream& operator<<(std::ostream& os, const CompilationStatistics& s);
+std::ostream& operator<<(std::ostream& os, const AsPrintableStatistics& s);
 
 }  // namespace internal
 }  // namespace v8
 
 #endif