Reverting 3174. Aka reapplying 3150, 3151 and 3159. Aka api accessor

src/assembler.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 504 matching lines @@
 #endif  // DEBUG
 
 
 // -----------------------------------------------------------------------------
 // Implementation of ExternalReference
 
 ExternalReference::ExternalReference(Builtins::CFunctionId id)
   : address_(Redirect(Builtins::c_function_address(id))) {}
 
 
+ExternalReference::ExternalReference(ApiFunction* fun)
+  : address_(Redirect(fun->address())) {}
+
+
 ExternalReference::ExternalReference(Builtins::Name name)
   : address_(Builtins::builtin_address(name)) {}
 
 
 ExternalReference::ExternalReference(Runtime::FunctionId id)
   : address_(Redirect(Runtime::FunctionForId(id)->entry)) {}
 
 
 ExternalReference::ExternalReference(Runtime::Function* f)
   : address_(Redirect(f->entry)) {}
@@ skipping 66 matching lines @@
 
 ExternalReference ExternalReference::heap_always_allocate_scope_depth() {
   return ExternalReference(Heap::always_allocate_scope_depth_address());
 }
 
 
 ExternalReference ExternalReference::new_space_allocation_limit_address() {
   return ExternalReference(Heap::NewSpaceAllocationLimitAddress());
 }
 
+
+ExternalReference ExternalReference::handle_scope_extensions_address() {
+  return ExternalReference(HandleScope::current_extensions_address());
+}
+
+
+ExternalReference ExternalReference::handle_scope_next_address() {
+  return ExternalReference(HandleScope::current_next_address());
+}
+
+
+ExternalReference ExternalReference::handle_scope_limit_address() {
+  return ExternalReference(HandleScope::current_limit_address());
+}
+
+
+ExternalReference ExternalReference::scheduled_exception_address() {
+  return ExternalReference(Top::scheduled_exception_address());
+}
+
+
 #ifdef V8_NATIVE_REGEXP
 
 ExternalReference ExternalReference::re_check_stack_guard_state() {
   Address function;
 #ifdef V8_TARGET_ARCH_X64
   function = FUNCTION_ADDR(RegExpMacroAssemblerX64::CheckStackGuardState);
 #elif V8_TARGET_ARCH_IA32
   function = FUNCTION_ADDR(RegExpMacroAssemblerIA32::CheckStackGuardState);
 #elif V8_TARGET_ARCH_ARM
   function = FUNCTION_ADDR(RegExpMacroAssemblerARM::CheckStackGuardState);
@@ skipping 89 matching lines @@
   return ExternalReference(Redirect(FUNCTION_ADDR(Debug::Break)));
 }
 
 
 ExternalReference ExternalReference::debug_step_in_fp_address() {
   return ExternalReference(Debug::step_in_fp_addr());
 }
 #endif
 
 } }  // namespace v8::internal