Merge up to 8597 to experimental/gc from the bleeding edge.

src/factory.cc

Index: src/factory.cc
===================================================================
--- src/factory.cc	(revision 8618)
+++ src/factory.cc	(working copy)
@@ -1,4 +1,4 @@
-// Copyright 2010 the V8 project authors. All rights reserved.
+// Copyright 2011 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:
@@ -58,6 +58,16 @@
 }
 
 
+Handle<FixedArray> Factory::NewFixedDoubleArray(int size,
+                                                PretenureFlag pretenure) {
+  ASSERT(0 <= size);
+  CALL_HEAP_FUNCTION(
+      isolate(),
+      isolate()->heap()->AllocateUninitializedFixedDoubleArray(size, pretenure),
+      FixedArray);
+}
+
+
 Handle<StringDictionary> Factory::NewStringDictionary(int at_least_space_for) {
   ASSERT(0 <= at_least_space_for);
   CALL_HEAP_FUNCTION(isolate(),
@@ -169,21 +179,21 @@
 }
 
 
-Handle<String> Factory::NewRawAsciiString(int length,
-                                          PretenureFlag pretenure) {
+Handle<SeqAsciiString> Factory::NewRawAsciiString(int length,
+                                                  PretenureFlag pretenure) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateRawAsciiString(length, pretenure),
-      String);
+      SeqAsciiString);
 }
 
 
-Handle<String> Factory::NewRawTwoByteString(int length,
-                                            PretenureFlag pretenure) {
+Handle<SeqTwoByteString> Factory::NewRawTwoByteString(int length,
+                                                      PretenureFlag pretenure) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateRawTwoByteString(length, pretenure),
-      String);
+      SeqTwoByteString);
 }
 
 
@@ -204,6 +214,16 @@
 }
 
 
+Handle<String> Factory::NewProperSubString(Handle<String> str,
+                                           int begin,
+                                           int end) {
+  ASSERT(begin > 0 || end < str->length());
+  CALL_HEAP_FUNCTION(isolate(),
+                     isolate()->heap()->AllocateSubString(*str, begin, end),
+                     String);
+}
+
+
 Handle<String> Factory::NewExternalStringFromAscii(
     ExternalAsciiString::Resource* resource) {
   CALL_HEAP_FUNCTION(
@@ -231,26 +251,38 @@
 
 
 Handle<Context> Factory::NewFunctionContext(int length,
-                                            Handle<JSFunction> closure) {
+                                            Handle<JSFunction> function) {
   CALL_HEAP_FUNCTION(
       isolate(),
-      isolate()->heap()->AllocateFunctionContext(length, *closure),
+      isolate()->heap()->AllocateFunctionContext(length, *function),
       Context);
 }
 
 
-Handle<Context> Factory::NewWithContext(Handle<Context> previous,
-                                        Handle<JSObject> extension,
-                                        bool is_catch_context) {
+Handle<Context> Factory::NewCatchContext(Handle<JSFunction> function,
+                                         Handle<Context> previous,
+                                         Handle<String> name,
+                                         Handle<Object> thrown_object) {
   CALL_HEAP_FUNCTION(
       isolate(),
-      isolate()->heap()->AllocateWithContext(*previous,
-                                             *extension,
-                                             is_catch_context),
+      isolate()->heap()->AllocateCatchContext(*function,
+                                              *previous,
+                                              *name,
+                                              *thrown_object),
       Context);
 }
 
 
+Handle<Context> Factory::NewWithContext(Handle<JSFunction> function,
+                                        Handle<Context> previous,
+                                        Handle<JSObject> extension) {
+  CALL_HEAP_FUNCTION(
+      isolate(),
+      isolate()->heap()->AllocateWithContext(*function, *previous, *extension),
+      Context);
+}
+
+
 Handle<Struct> Factory::NewStruct(InstanceType type) {
   CALL_HEAP_FUNCTION(
       isolate(),
@@ -1189,12 +1221,14 @@
                                     JSRegExp::Flags flags,
                                     int capture_count) {
   Handle<FixedArray> store = NewFixedArray(JSRegExp::kIrregexpDataSize);
-
+  Smi* uninitialized = Smi::FromInt(JSRegExp::kUninitializedValue);
   store->set(JSRegExp::kTagIndex, Smi::FromInt(type));
   store->set(JSRegExp::kSourceIndex, *source);
   store->set(JSRegExp::kFlagsIndex, Smi::FromInt(flags.value()));
-  store->set(JSRegExp::kIrregexpASCIICodeIndex, HEAP->the_hole_value());
-  store->set(JSRegExp::kIrregexpUC16CodeIndex, HEAP->the_hole_value());
+  store->set(JSRegExp::kIrregexpASCIICodeIndex, uninitialized);
+  store->set(JSRegExp::kIrregexpUC16CodeIndex, uninitialized);
+  store->set(JSRegExp::kIrregexpASCIICodeSavedIndex, uninitialized);
+  store->set(JSRegExp::kIrregexpUC16CodeSavedIndex, uninitialized);
   store->set(JSRegExp::kIrregexpMaxRegisterCountIndex, Smi::FromInt(0));
   store->set(JSRegExp::kIrregexpCaptureCountIndex,
              Smi::FromInt(capture_count));