Make assertion scopes thread safe.

src/jsregexp.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 252 matching lines @@
                                                  pattern,
                                                  flags,
                                                  match_pattern);
 }
 
 
 static void SetAtomLastCapture(FixedArray* array,
                                String* subject,
                                int from,
                                int to) {
-  NoHandleAllocation no_handles(array->GetIsolate());
+  SealHandleScope shs(array->GetIsolate());
   RegExpImpl::SetLastCaptureCount(array, 2);
   RegExpImpl::SetLastSubject(array, subject);
   RegExpImpl::SetLastInput(array, subject);
   RegExpImpl::SetCapture(array, 0, from);
   RegExpImpl::SetCapture(array, 1, to);
 }
 
 
 int RegExpImpl::AtomExecRaw(Handle<JSRegExp> regexp,
                             Handle<String> subject,
                             int index,
                             int32_t* output,
                             int output_size) {
   Isolate* isolate = regexp->GetIsolate();
 
   ASSERT(0 <= index);
   ASSERT(index <= subject->length());
 
   if (!subject->IsFlat()) FlattenString(subject);
-  AssertNoAllocation no_heap_allocation;  // ensure vectors stay valid
+  DisallowHeapAllocation no_gc;  // ensure vectors stay valid
 
   String* needle = String::cast(regexp->DataAt(JSRegExp::kAtomPatternIndex));
   int needle_len = needle->length();
   ASSERT(needle->IsFlat());
   ASSERT_LT(0, needle_len);
 
   if (index + needle_len > subject->length()) {
     return RegExpImpl::RE_FAILURE;
   }
 
@@ skipping 42 matching lines @@
 
   static const int kNumRegisters = 2;
   STATIC_ASSERT(kNumRegisters <= Isolate::kJSRegexpStaticOffsetsVectorSize);
   int32_t* output_registers = isolate->jsregexp_static_offsets_vector();
 
   int res = AtomExecRaw(re, subject, index, output_registers, kNumRegisters);
 
   if (res == RegExpImpl::RE_FAILURE) return isolate->factory()->null_value();
 
   ASSERT_EQ(res, RegExpImpl::RE_SUCCESS);
-  NoHandleAllocation no_handles(isolate);
+  SealHandleScope shs(isolate);
   FixedArray* array = FixedArray::cast(last_match_info->elements());
   SetAtomLastCapture(array, *subject, output_registers[0], output_registers[1]);
   return last_match_info;
 }
 
 
 // Irregexp implementation.
 
 // Ensures that the regexp object contains a compiled version of the
 // source for either ASCII or non-ASCII strings.
@@ skipping 317 matching lines @@
 }
 
 
 Handle<JSArray> RegExpImpl::SetLastMatchInfo(Handle<JSArray> last_match_info,
                                              Handle<String> subject,
                                              int capture_count,
                                              int32_t* match) {
   ASSERT(last_match_info->HasFastObjectElements());
   int capture_register_count = (capture_count + 1) * 2;
   last_match_info->EnsureSize(capture_register_count + kLastMatchOverhead);
-  AssertNoAllocation no_gc;
+  DisallowHeapAllocation no_allocation;
   FixedArray* array = FixedArray::cast(last_match_info->elements());
   if (match != NULL) {
     for (int i = 0; i < capture_register_count; i += 2) {
       SetCapture(array, i, match[i]);
       SetCapture(array, i + 1, match[i + 1]);
     }
   }
   SetLastCaptureCount(array, capture_register_count);
   SetLastSubject(array, *subject);
   SetLastInput(array, *subject);
@@ skipping 5417 matching lines @@
   }
 
   return compiler.Assemble(&macro_assembler,
                            node,
                            data->capture_count,
                            pattern);
 }
 
 
 }}  // namespace v8::internal