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

src/factory.cc

-// 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:
 //
 //     * 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
 //       with the distribution.
@@ skipping 39 matching lines @@
 Handle<FixedArray> Factory::NewFixedArrayWithHoles(int size,
                                                    PretenureFlag pretenure) {
   ASSERT(0 <= size);
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateFixedArrayWithHoles(size, pretenure),
       FixedArray);
 }
 
 
+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(),
                      StringDictionary::Allocate(at_least_space_for),
                      StringDictionary);
 }
 
 
 Handle<NumberDictionary> Factory::NewNumberDictionary(int at_least_space_for) {
   ASSERT(0 <= at_least_space_for);
@@ skipping 91 matching lines @@
 
 Handle<String> Factory::NewStringFromTwoByte(Vector<const uc16> string,
                                              PretenureFlag pretenure) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateStringFromTwoByte(string, pretenure),
       String);
 }
 
 
-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);
 }
 
 
 Handle<String> Factory::NewConsString(Handle<String> first,
                                       Handle<String> second) {
   CALL_HEAP_FUNCTION(isolate(),
                      isolate()->heap()->AllocateConsString(*first, *second),
                      String);
 }
 
 
 Handle<String> Factory::NewSubString(Handle<String> str,
                                      int begin,
                                      int end) {
   CALL_HEAP_FUNCTION(isolate(),
                      str->SubString(begin, end),
                      String);
 }
 
 
+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(
       isolate(),
       isolate()->heap()->AllocateExternalStringFromAscii(resource),
       String);
 }
 
 
 Handle<String> Factory::NewExternalStringFromTwoByte(
     ExternalTwoByteString::Resource* resource) {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateExternalStringFromTwoByte(resource),
       String);
 }
 
 
 Handle<Context> Factory::NewGlobalContext() {
   CALL_HEAP_FUNCTION(
       isolate(),
       isolate()->heap()->AllocateGlobalContext(),
       Context);
 }
 
 
 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(),
       isolate()->heap()->AllocateStruct(type),
       Struct);
 }
@@ skipping 922 matching lines @@
   store->set(JSRegExp::kAtomPatternIndex, *data);
   regexp->set_data(*store);
 }
 
 void Factory::SetRegExpIrregexpData(Handle<JSRegExp> regexp,
                                     JSRegExp::Type type,
                                     Handle<String> source,
                                     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));
   regexp->set_data(*store);
 }
 
 
 
 void Factory::ConfigureInstance(Handle<FunctionTemplateInfo> desc,
                                 Handle<JSObject> instance,
                                 bool* pending_exception) {
   // Configure the instance by adding the properties specified by the
   // instance template.
   Handle<Object> instance_template = Handle<Object>(desc->instance_template());
   if (!instance_template->IsUndefined()) {
     Execution::ConfigureInstance(instance,
                                  instance_template,
                                  pending_exception);
   } else {
     *pending_exception = false;
   }
 }
 
 
 } }  // namespace v8::internal