Add log compression ability.

src/log.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 84 matching lines @@
  private:
   StateTag state_;
   VMState* previous_;
 #else
  public:
   explicit VMState(StateTag state) {}
 #endif
 };
 
 
+#define LOG_EVENTS_AND_TAGS_LIST(V) \
+  V(CODE_CREATION_EVENT,            "code-creation",          "cc")       \
+  V(CODE_MOVE_EVENT,                "code-move",              "cm")       \
+  V(CODE_DELETE_EVENT,              "code-delete",            "cd")       \
+  V(TICK_EVENT,                     "tick",                   "t")        \
+  V(BUILTIN_TAG,                    "Builtin",                "bi")       \
+  V(CALL_DEBUG_BREAK_TAG,           "CallDebugBreak",         "cdb")      \
+  V(CALL_DEBUG_PREPARE_STEP_IN_TAG, "CallDebugPrepareStepIn", "cdbsi")    \
+  V(CALL_IC_TAG,                    "CallIC",                 "cic")      \
+  V(CALL_INITIALIZE_TAG,            "CallInitialize",         "ci")       \
+  V(CALL_MEGAMORPHIC_TAG,           "CallMegamorphic",        "cmm")      \
+  V(CALL_MISS_TAG,                  "CallMiss",               "cm")       \
+  V(CALL_NORMAL_TAG,                "CallNormal",             "cn")       \
+  V(CALL_PRE_MONOMORPHIC_TAG,       "CallPreMonomorphic",     "cpm")      \
+  V(EVAL_TAG,                       "Eval",                   "e")        \
+  V(FUNCTION_TAG,                   "Function",               "f")        \
+  V(KEYED_LOAD_IC_TAG,              "KeyedLoadIC",            "klic")     \
+  V(KEYED_STORE_IC_TAG,             "KeyedStoreIC",           "ksic")     \
+  V(LAZY_COMPILE_TAG,               "LazyCompile",            "lc")       \
+  V(LOAD_IC_TAG,                    "LoadIC",                 "lic")      \
+  V(REG_EXP_TAG,                    "RegExp",                 "re")       \
+  V(SCRIPT_TAG,                     "Script",                 "sc")       \
+  V(STORE_IC_TAG,                   "StoreIC",                "sic")      \
+  V(STUB_TAG,                       "Stub",                   "s")
+
 class Logger {
  public:
+#define DECLARE_ENUM(enum_item, ignore1, ignore2) enum_item,
+  enum LogEventsAndTags {
+    LOG_EVENTS_AND_TAGS_LIST(DECLARE_ENUM)
+    NUMBER_OF_LOG_EVENTS
+  };
+#undef DECLARE_ENUM
+
   // Acquires resources for logging if the right flags are set.
   static bool Setup();
 
   // Frees resources acquired in Setup.
   static void TearDown();
 
   // Enable the computation of a sliding window of states.
   static void EnableSlidingStateWindow();
 
   // Write a raw string to the log to be used as a preamble.
@@ skipping 39 matching lines @@
                                      Object* name);
   static void ApiIndexedPropertyAccess(const char* tag,
                                        JSObject* holder,
                                        uint32_t index);
   static void ApiObjectAccess(const char* tag, JSObject* obj);
   static void ApiEntryCall(const char* name);
 
 
   // ==== Events logged by --log-code. ====
   // Emits a code create event.
-  static void CodeCreateEvent(const char* tag, Code* code, const char* source);
-  static void CodeCreateEvent(const char* tag, Code* code, String* name);
-  static void CodeCreateEvent(const char* tag, Code* code, String* name,
+  static void CodeCreateEvent(LogEventsAndTags tag,
+                              Code* code, const char* source);
+  static void CodeCreateEvent(LogEventsAndTags tag, Code* code, String* name);
+  static void CodeCreateEvent(LogEventsAndTags tag, Code* code, String* name,
                               String* source, int line);
-  static void CodeCreateEvent(const char* tag, Code* code, int args_count);
+  static void CodeCreateEvent(LogEventsAndTags tag, Code* code, int args_count);
   // Emits a code create event for a RegExp.
   static void RegExpCodeCreateEvent(Code* code, String* source);
-  static void CodeAllocateEvent(Code* code, Assembler* assem);
   // Emits a code move event.
   static void CodeMoveEvent(Address from, Address to);
   // Emits a code delete event.
   static void CodeDeleteEvent(Address from);
 
   // ==== Events logged by --log-gc. ====
   // Heap sampling events: start, end, and individual types.
   static void HeapSampleBeginEvent(const char* space, const char* kind);
   static void HeapSampleEndEvent(const char* space, const char* kind);
   static void HeapSampleItemEvent(const char* type, int number, int bytes);
@@ skipping 35 matching lines @@
   static void LogCompiledFunctions();
 
  private:
 
   // Profiler's sampling interval (in milliseconds).
   static const int kSamplingIntervalMs = 1;
 
   // Emits the profiler's first message.
   static void ProfilerBeginEvent();
 
+  // Emits aliases for compressed messages.
+  static void LogAliases();
+
   // Emits the source code of a regexp. Used by regexp events.
   static void LogRegExpSource(Handle<JSRegExp> regexp);
 
   // Emits a profiler tick event. Used by the profiler thread.
   static void TickEvent(TickSample* sample, bool overflow);
 
   static void ApiEvent(const char* name, ...);
 
   // Logs a StringEvent regardless of whether FLAG_log is true.
   static void UncheckedStringEvent(const char* name, const char* value);
@@ skipping 15 matching lines @@
   // A stack of VM states.
   static VMState* current_state_;
 
   // Singleton bottom or default vm state.
   static VMState bottom_state_;
 
   // SlidingStateWindow instance keeping a sliding window of the most
   // recent VM states.
   static SlidingStateWindow* sliding_state_window_;
 
+  // An array of log events names.
+  static const char** log_events_;
+
   // Internal implementation classes with access to
   // private members.
   friend class EventLog;
   friend class TimeLog;
   friend class Profiler;
   friend class SlidingStateWindow;
   friend class VMState;
 
   friend class LoggerTestHelper;
 #else
   static bool is_enabled() { return false; }
 #endif
 };
 
 
 // Class that extracts stack trace, used for profiling.
 class StackTracer : public AllStatic {
  public:
   static void Trace(TickSample* sample);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_LOG_H_