JavaScriptCore-7601.1.46.3.tar.gz

[apple/javascriptcore.git] / bytecode / ExitKind.h

diff --git a/bytecode/ExitKind.h b/bytecode/ExitKind.h
index 6ac78a25437b04a7d64e501c20c85e5537426b78..59cbbf5a2b387797e3ee2ba81f36e1c61c03b923 100644 (file)
--- a/bytecode/ExitKind.h
+++ b/bytecode/ExitKind.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012, 2013, 2014 Apple Inc. All rights reserved.
+ * Copyright (C) 2012-2015 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -31,12 +31,10 @@ namespace JSC {
 enum ExitKind : uint8_t {
     ExitKindUnset,
     BadType, // We exited because a type prediction was wrong.
-    BadFunction, // We exited because we made an incorrect assumption about what function we would see.
+    BadCell, // We exited because we made an incorrect assumption about what cell we would see. Usually used for function checks.
     BadExecutable, // We exited because we made an incorrect assumption about what executable we would see.
     BadCache, // We exited because an inline cache was wrong.
-    BadWeakConstantCache, // We exited because a cache on a weak constant (usually a prototype) was wrong.
-    BadCacheWatchpoint, // Same as BadCache but from a watchpoint.
-    BadWeakConstantCacheWatchpoint, // Same as BadWeakConstantCache but from a watchpoint.
+    BadConstantCache, // We exited because a cache on a weak constant (usually a prototype) was wrong.
     BadIndexingType, // We exited because an indexing type was wrong.
     Overflow, // We exited because of overflow.
     NegativeZero, // We exited because we encountered negative zero.
@@ -46,10 +44,12 @@ enum ExitKind : uint8_t {
     OutOfBounds, // We had an out-of-bounds access to an array.
     InadequateCoverage, // We exited because we ended up in code that didn't have profiling coverage.
     ArgumentsEscaped, // We exited because arguments escaped but we didn't expect them to.
+    ExoticObjectMode, // We exited because some exotic object that we were accessing was in an exotic mode (like Arguments with slow arguments).
     NotStringObject, // We exited because we shouldn't have attempted to optimize string object access.
+    VarargsOverflow, // We exited because a varargs call passed more arguments than we expected.
+    TDZFailure, // We exited because we were in the TDZ and accessed the variable.
     Uncountable, // We exited for none of the above reasons, and we should not count it. Most uses of this should be viewed as a FIXME.
     UncountableInvalidation, // We exited because the code block was invalidated; this means that we've already counted the reasons why the code block was invalidated.
-    UncountableWatchpoint, // We exited because of a watchpoint, which isn't counted because watchpoints do tracking themselves.
     WatchdogTimerFired, // We exited because we need to service the watchdog timer.
     DebuggerEvent // We exited because we need to service the debugger.
 };
@@ -57,18 +57,6 @@ enum ExitKind : uint8_t {
 const char* exitKindToString(ExitKind);
 bool exitKindIsCountable(ExitKind);
 
-inline bool isWatchpoint(ExitKind kind)
-{
-    switch (kind) {
-    case BadCacheWatchpoint:
-    case BadWeakConstantCacheWatchpoint:
-    case UncountableWatchpoint:
-        return true;
-    default:
-        return false;
-    }
-}
-
 } // namespace JSC
 
 namespace WTF {