Reland r13275 and 13276 (Remove most uses of StringInputBuffer).

src/isolate.h

 // 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 57 matching lines @@
 class FunctionInfoListener;
 class HandleScopeImplementer;
 class HeapProfiler;
 class InlineRuntimeFunctionsTable;
 class NoAllocationStringAllocator;
 class InnerPointerToCodeCache;
 class PreallocatedMemoryThread;
 class RegExpStack;
 class SaveContext;
 class UnicodeCache;
-class StringInputBuffer;
+class ConsStringIteratorOp;
 class StringTracker;
 class StubCache;
 class ThreadManager;
 class ThreadState;
 class ThreadVisitor;  // Defined in v8threads.h
 class VMState;
 
 // 'void function pointer', used to roundtrip the
 // ExternalReference::ExternalReferenceRedirector since we can not include
 // assembler.h, where it is defined, here.
@@ skipping 785 matching lines @@
   Zone* runtime_zone() { return &runtime_zone_; }
 
   UnicodeCache* unicode_cache() {
     return unicode_cache_;
   }
 
   InnerPointerToCodeCache* inner_pointer_to_code_cache() {
     return inner_pointer_to_code_cache_;
   }
 
-  StringInputBuffer* write_input_buffer() { return write_input_buffer_; }
+  ConsStringIteratorOp* write_iterator() { return write_iterator_; }
 
   GlobalHandles* global_handles() { return global_handles_; }
 
   ThreadManager* thread_manager() { return thread_manager_; }
 
   ContextSwitcher* context_switcher() { return context_switcher_; }
 
   void set_context_switcher(ContextSwitcher* switcher) {
     context_switcher_ = switcher;
   }
 
   StringTracker* string_tracker() { return string_tracker_; }
 
   unibrow::Mapping<unibrow::Ecma262UnCanonicalize>* jsregexp_uncanonicalize() {
     return &jsregexp_uncanonicalize_;
   }
 
   unibrow::Mapping<unibrow::CanonicalizationRange>* jsregexp_canonrange() {
     return &jsregexp_canonrange_;
   }
 
-  StringInputBuffer* objects_string_compare_buffer_a() {
-    return &objects_string_compare_buffer_a_;
+  ConsStringIteratorOp* objects_string_compare_iterator_a() {
+    return &objects_string_compare_iterator_a_;
   }
 
-  StringInputBuffer* objects_string_compare_buffer_b() {
-    return &objects_string_compare_buffer_b_;
+  ConsStringIteratorOp* objects_string_compare_iterator_b() {
+    return &objects_string_compare_iterator_b_;
   }
 
-  StaticResource<StringInputBuffer>* objects_string_input_buffer() {
-    return &objects_string_input_buffer_;
+  StaticResource<ConsStringIteratorOp>* objects_string_iterator() {
+    return &objects_string_iterator_;
   }
 
   RuntimeState* runtime_state() { return &runtime_state_; }
 
   void set_fp_stubs_generated(bool value) {
     fp_stubs_generated_ = value;
   }
 
   bool fp_stubs_generated() { return fp_stubs_generated_; }
 
@@ skipping 292 matching lines @@
   ContextSlotCache* context_slot_cache_;
   DescriptorLookupCache* descriptor_lookup_cache_;
   v8::ImplementationUtilities::HandleScopeData handle_scope_data_;
   HandleScopeImplementer* handle_scope_implementer_;
   UnicodeCache* unicode_cache_;
   Zone runtime_zone_;
   PreallocatedStorage in_use_list_;
   PreallocatedStorage free_list_;
   bool preallocated_storage_preallocated_;
   InnerPointerToCodeCache* inner_pointer_to_code_cache_;
-  StringInputBuffer* write_input_buffer_;
+  ConsStringIteratorOp* write_iterator_;
   GlobalHandles* global_handles_;
   ContextSwitcher* context_switcher_;
   ThreadManager* thread_manager_;
   RuntimeState runtime_state_;
   bool fp_stubs_generated_;
   Builtins builtins_;
   bool has_installed_extensions_;
   StringTracker* string_tracker_;
   unibrow::Mapping<unibrow::Ecma262UnCanonicalize> jsregexp_uncanonicalize_;
   unibrow::Mapping<unibrow::CanonicalizationRange> jsregexp_canonrange_;
-  StringInputBuffer objects_string_compare_buffer_a_;
-  StringInputBuffer objects_string_compare_buffer_b_;
-  StaticResource<StringInputBuffer> objects_string_input_buffer_;
+  ConsStringIteratorOp objects_string_compare_iterator_a_;
+  ConsStringIteratorOp objects_string_compare_iterator_b_;
+  StaticResource<ConsStringIteratorOp> objects_string_iterator_;
   unibrow::Mapping<unibrow::Ecma262Canonicalize>
       regexp_macro_assembler_canonicalize_;
   RegExpStack* regexp_stack_;
   DateCache* date_cache_;
   unibrow::Mapping<unibrow::Ecma262Canonicalize> interp_canonicalize_mapping_;
   CodeStubInterfaceDescriptor* code_stub_interface_descriptors_;
 
   // The garbage collector should be a little more aggressive when it knows
   // that a context was recently exited.
   bool context_exit_happened_;
@@ skipping 191 matching lines @@
 
 // Mark the native context with out of memory.
 inline void Context::mark_out_of_memory() {
   native_context()->set_out_of_memory(HEAP->true_value());
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ISOLATE_H_