Remove Failure::OutOfMemory propagation and V8::IgnoreOutOfMemoryException.

src/heap-inl.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 120 matching lines @@
   if (IsOneByte(t, chars)) {
     return AllocateInternalizedStringImpl<true>(t, chars, hash_field);
   }
   return AllocateInternalizedStringImpl<false>(t, chars, hash_field);
 }
 
 
 MaybeObject* Heap::AllocateOneByteInternalizedString(Vector<const uint8_t> str,
                                                      uint32_t hash_field) {
   if (str.length() > String::kMaxLength) {
-    return Failure::OutOfMemoryException(0x2);
+    v8::internal::Heap::FatalProcessOutOfMemory("invalid string length", true);
   }
   // Compute map and object size.
   Map* map = ascii_internalized_string_map();
   int size = SeqOneByteString::SizeFor(str.length());
   AllocationSpace space = SelectSpace(size, OLD_DATA_SPACE, TENURED);
 
   // Allocate string.
   Object* result;
   { MaybeObject* maybe_result = AllocateRaw(size, space, OLD_DATA_SPACE);
     if (!maybe_result->ToObject(&result)) return maybe_result;
@@ skipping 12 matching lines @@
   OS::MemCopy(answer->address() + SeqOneByteString::kHeaderSize,
               str.start(), str.length());
 
   return answer;
 }
 
 
 MaybeObject* Heap::AllocateTwoByteInternalizedString(Vector<const uc16> str,
                                                      uint32_t hash_field) {
   if (str.length() > String::kMaxLength) {
-    return Failure::OutOfMemoryException(0x3);
+    v8::internal::Heap::FatalProcessOutOfMemory("invalid string length", true);
   }
   // Compute map and object size.
   Map* map = internalized_string_map();
   int size = SeqTwoByteString::SizeFor(str.length());
   AllocationSpace space = SelectSpace(size, OLD_DATA_SPACE, TENURED);
 
   // Allocate string.
   Object* result;
   { MaybeObject* maybe_result = AllocateRaw(size, space, OLD_DATA_SPACE);
     if (!maybe_result->ToObject(&result)) return maybe_result;
@@ skipping 449 matching lines @@
 #define GC_GREEDY_CHECK(ISOLATE) { }
 #endif
 
 // Calls the FUNCTION_CALL function and retries it up to three times
 // to guarantee that any allocations performed during the call will
 // succeed if there's enough memory.
 
 // Warning: Do not use the identifiers __object__, __maybe_object__ or
 // __scope__ in a call to this macro.
 
-#define CALL_AND_RETRY(ISOLATE, FUNCTION_CALL, RETURN_VALUE, RETURN_EMPTY, OOM)\
+#define CALL_AND_RETRY(ISOLATE, FUNCTION_CALL, RETURN_VALUE, RETURN_EMPTY)     \
   do {                                                                         \
     GC_GREEDY_CHECK(ISOLATE);                                                  \
     MaybeObject* __maybe_object__ = FUNCTION_CALL;                             \
     Object* __object__ = NULL;                                                 \
     if (__maybe_object__->ToObject(&__object__)) RETURN_VALUE;                 \
-    if (__maybe_object__->IsOutOfMemory()) {                                   \
-      OOM;                                                                     \
-    }                                                                          \
     if (!__maybe_object__->IsRetryAfterGC()) RETURN_EMPTY;                     \
     (ISOLATE)->heap()->CollectGarbage(Failure::cast(__maybe_object__)->        \
                                     allocation_space(),                        \
                                     "allocation failure");                     \
     __maybe_object__ = FUNCTION_CALL;                                          \
     if (__maybe_object__->ToObject(&__object__)) RETURN_VALUE;                 \
-    if (__maybe_object__->IsOutOfMemory()) {                                   \
-      OOM;                                                                     \
-    }                                                                          \
     if (!__maybe_object__->IsRetryAfterGC()) RETURN_EMPTY;                     \
     (ISOLATE)->counters()->gc_last_resort_from_handles()->Increment();         \
     (ISOLATE)->heap()->CollectAllAvailableGarbage("last resort gc");           \
     {                                                                          \
       AlwaysAllocateScope __scope__(ISOLATE);                                  \
       __maybe_object__ = FUNCTION_CALL;                                        \
     }                                                                          \
     if (__maybe_object__->ToObject(&__object__)) RETURN_VALUE;                 \
-    if (__maybe_object__->IsOutOfMemory()) {                                   \
-      OOM;                                                                     \
-    }                                                                          \
     if (__maybe_object__->IsRetryAfterGC()) {                                  \
       /* TODO(1181417): Fix this. */                                           \
       v8::internal::Heap::FatalProcessOutOfMemory("CALL_AND_RETRY_LAST", true);\
     }                                                                          \
     RETURN_EMPTY;                                                              \
   } while (false)
 
 #define CALL_AND_RETRY_OR_DIE(                                             \
      ISOLATE, FUNCTION_CALL, RETURN_VALUE, RETURN_EMPTY)                   \
   CALL_AND_RETRY(                                                          \
       ISOLATE,                                                             \
       FUNCTION_CALL,                                                       \
       RETURN_VALUE,                                                        \
-      RETURN_EMPTY,                                                        \
-      v8::internal::Heap::FatalProcessOutOfMemory("CALL_AND_RETRY", true))
+      RETURN_EMPTY)
 
 #define CALL_HEAP_FUNCTION(ISOLATE, FUNCTION_CALL, TYPE)                      \
   CALL_AND_RETRY_OR_DIE(ISOLATE,                                              \
                         FUNCTION_CALL,                                        \
                         return Handle<TYPE>(TYPE::cast(__object__), ISOLATE), \
                         return Handle<TYPE>())                                \
 
 
 #define CALL_HEAP_FUNCTION_VOID(ISOLATE, FUNCTION_CALL)  \
   CALL_AND_RETRY_OR_DIE(ISOLATE, FUNCTION_CALL, return, return)
 
 
 #define CALL_HEAP_FUNCTION_PASS_EXCEPTION(ISOLATE, FUNCTION_CALL) \
   CALL_AND_RETRY(ISOLATE,                                         \
                  FUNCTION_CALL,                                   \
                  return __object__,                               \
-                 return __maybe_object__,                         \
                  return __maybe_object__)
 
 
 void ExternalStringTable::AddString(String* string) {
   ASSERT(string->IsExternalString());
   if (heap_->InNewSpace(string)) {
     new_space_strings_.Add(string);
   } else {
     old_space_strings_.Add(string);
   }
@@ skipping 128 matching lines @@
 
 
 double GCTracer::SizeOfHeapObjects() {
   return (static_cast<double>(heap_->SizeOfObjects())) / MB;
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_INL_H_