Renamed "symbols" to "internalized strings" throughout the code base,

src/hydrogen-instructions.cc

 // Copyright 2012 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 1181 matching lines @@
 }
 
 
 HValue* HCheckInstanceType::Canonicalize() {
   if (check_ == IS_STRING &&
       !value()->type().IsUninitialized() &&
       value()->type().IsString()) {
     return NULL;
   }
 
-  if (check_ == IS_SYMBOL && value()->IsConstant()) {
-    // Dereferencing is safe here: a symbol cannot become a non-symbol.
+  if (check_ == IS_INTERNALIZED_STRING && value()->IsConstant()) {
+    // Dereferencing is safe here:
+    // an internalized string cannot become non-internalized.
     AllowHandleDereference allow_handle_deref;
-    if (HConstant::cast(value())->handle()->IsSymbol()) return NULL;
+    if (HConstant::cast(value())->handle()->IsInternalizedString()) return NULL;
   }
   return this;
 }
 
 
 void HCheckInstanceType::GetCheckInterval(InstanceType* first,
                                           InstanceType* last) {
   ASSERT(is_interval_check());
   switch (check_) {
     case IS_SPEC_OBJECT:
       *first = FIRST_SPEC_OBJECT_TYPE;
       *last = LAST_SPEC_OBJECT_TYPE;
       return;
     case IS_JS_ARRAY:
       *first = *last = JS_ARRAY_TYPE;
       return;
     default:
       UNREACHABLE();
   }
 }
 
 
 void HCheckInstanceType::GetCheckMaskAndTag(uint8_t* mask, uint8_t* tag) {
   ASSERT(!is_interval_check());
   switch (check_) {
     case IS_STRING:
       *mask = kIsNotStringMask;
       *tag = kStringTag;
       return;
-    case IS_SYMBOL:
-      *mask = kIsSymbolMask;
-      *tag = kSymbolTag;
+    case IS_INTERNALIZED_STRING:
+      *mask = kIsInternalizedMask;
+      *tag = kInternalizedTag;
       return;
     default:
       UNREACHABLE();
   }
 }
 
 
 void HCheckMaps::SetSideEffectDominator(GVNFlag side_effect,
                                         HValue* dominator) {
   ASSERT(side_effect == kChangesMaps);
@@ skipping 37 matching lines @@
   value()->PrintNameTo(stream);
   stream->Add(" %p", *target());
 }
 
 
 const char* HCheckInstanceType::GetCheckName() {
   switch (check_) {
     case IS_SPEC_OBJECT: return "object";
     case IS_JS_ARRAY: return "array";
     case IS_STRING: return "string";
-    case IS_SYMBOL: return "symbol";
+    case IS_INTERNALIZED_STRING: return "internalized_string";
   }
   UNREACHABLE();
   return "";
 }
 
 void HCheckInstanceType::PrintDataTo(StringStream* stream) {
   stream->Add("%s ", GetCheckName());
   HUnaryOperation::PrintDataTo(stream);
 }
 
@@ skipping 1628 matching lines @@
 
 
 void HCheckFunction::Verify() {
   HInstruction::Verify();
   ASSERT(HasNoUses());
 }
 
 #endif
 
 } }  // namespace v8::internal