| // Copyright 2013 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. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "types.h" |
| #include "string-stream.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| template<class Config> |
| int TypeImpl<Config>::NumClasses() { |
| if (this->IsClass()) { |
| return 1; |
| } else if (this->IsUnion()) { |
| UnionedHandle unioned = this->AsUnion(); |
| int result = 0; |
| for (int i = 0; i < Config::union_length(unioned); ++i) { |
| if (Config::union_get(unioned, i)->IsClass()) ++result; |
| } |
| return result; |
| } else { |
| return 0; |
| } |
| } |
| |
| |
| template<class Config> |
| int TypeImpl<Config>::NumConstants() { |
| if (this->IsConstant()) { |
| return 1; |
| } else if (this->IsUnion()) { |
| UnionedHandle unioned = this->AsUnion(); |
| int result = 0; |
| for (int i = 0; i < Config::union_length(unioned); ++i) { |
| if (Config::union_get(unioned, i)->IsConstant()) ++result; |
| } |
| return result; |
| } else { |
| return 0; |
| } |
| } |
| |
| |
| template<class Config> template<class T> |
| typename TypeImpl<Config>::TypeHandle |
| TypeImpl<Config>::Iterator<T>::get_type() { |
| ASSERT(!Done()); |
| return type_->IsUnion() ? Config::union_get(type_->AsUnion(), index_) : type_; |
| } |
| |
| |
| // C++ cannot specialise nested templates, so we have to go through this |
| // contortion with an auxiliary template to simulate it. |
| template<class Config, class T> |
| struct TypeImplIteratorAux { |
| static bool matches(typename TypeImpl<Config>::TypeHandle type); |
| static i::Handle<T> current(typename TypeImpl<Config>::TypeHandle type); |
| }; |
| |
| template<class Config> |
| struct TypeImplIteratorAux<Config, i::Map> { |
| static bool matches(typename TypeImpl<Config>::TypeHandle type) { |
| return type->IsClass(); |
| } |
| static i::Handle<i::Map> current(typename TypeImpl<Config>::TypeHandle type) { |
| return type->AsClass(); |
| } |
| }; |
| |
| template<class Config> |
| struct TypeImplIteratorAux<Config, i::Object> { |
| static bool matches(typename TypeImpl<Config>::TypeHandle type) { |
| return type->IsConstant(); |
| } |
| static i::Handle<i::Object> current( |
| typename TypeImpl<Config>::TypeHandle type) { |
| return type->AsConstant(); |
| } |
| }; |
| |
| template<class Config> template<class T> |
| bool TypeImpl<Config>::Iterator<T>::matches(TypeHandle type) { |
| return TypeImplIteratorAux<Config, T>::matches(type); |
| } |
| |
| template<class Config> template<class T> |
| i::Handle<T> TypeImpl<Config>::Iterator<T>::Current() { |
| return TypeImplIteratorAux<Config, T>::current(get_type()); |
| } |
| |
| |
| template<class Config> template<class T> |
| void TypeImpl<Config>::Iterator<T>::Advance() { |
| ++index_; |
| if (type_->IsUnion()) { |
| UnionedHandle unioned = type_->AsUnion(); |
| for (; index_ < Config::union_length(unioned); ++index_) { |
| if (matches(Config::union_get(unioned, index_))) return; |
| } |
| } else if (index_ == 0 && matches(type_)) { |
| return; |
| } |
| index_ = -1; |
| } |
| |
| |
| // Get the smallest bitset subsuming this type. |
| template<class Config> |
| int TypeImpl<Config>::LubBitset() { |
| if (this->IsBitset()) { |
| return this->AsBitset(); |
| } else if (this->IsUnion()) { |
| UnionedHandle unioned = this->AsUnion(); |
| int bitset = kNone; |
| for (int i = 0; i < Config::union_length(unioned); ++i) { |
| bitset |= Config::union_get(unioned, i)->LubBitset(); |
| } |
| return bitset; |
| } else if (this->IsClass()) { |
| return LubBitset(*this->AsClass()); |
| } else { |
| return LubBitset(*this->AsConstant()); |
| } |
| } |
| |
| |
| template<class Config> |
| int TypeImpl<Config>::LubBitset(i::Object* value) { |
| if (value->IsSmi()) return kSmi; |
| i::Map* map = i::HeapObject::cast(value)->map(); |
| if (map->instance_type() == HEAP_NUMBER_TYPE) { |
| int32_t i; |
| uint32_t u; |
| if (value->ToInt32(&i)) return Smi::IsValid(i) ? kSmi : kOtherSigned32; |
| if (value->ToUint32(&u)) return kUnsigned32; |
| return kDouble; |
| } |
| if (map->instance_type() == ODDBALL_TYPE) { |
| if (value->IsUndefined()) return kUndefined; |
| if (value->IsNull()) return kNull; |
| if (value->IsBoolean()) return kBoolean; |
| if (value->IsTheHole()) return kAny; // TODO(rossberg): kNone? |
| UNREACHABLE(); |
| } |
| return LubBitset(map); |
| } |
| |
| |
| template<class Config> |
| int TypeImpl<Config>::LubBitset(i::Map* map) { |
| switch (map->instance_type()) { |
| case STRING_TYPE: |
| case ASCII_STRING_TYPE: |
| case CONS_STRING_TYPE: |
| case CONS_ASCII_STRING_TYPE: |
| case SLICED_STRING_TYPE: |
| case SLICED_ASCII_STRING_TYPE: |
| case EXTERNAL_STRING_TYPE: |
| case EXTERNAL_ASCII_STRING_TYPE: |
| case EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE: |
| case SHORT_EXTERNAL_STRING_TYPE: |
| case SHORT_EXTERNAL_ASCII_STRING_TYPE: |
| case SHORT_EXTERNAL_STRING_WITH_ONE_BYTE_DATA_TYPE: |
| case INTERNALIZED_STRING_TYPE: |
| case ASCII_INTERNALIZED_STRING_TYPE: |
| case CONS_INTERNALIZED_STRING_TYPE: |
| case CONS_ASCII_INTERNALIZED_STRING_TYPE: |
| case EXTERNAL_INTERNALIZED_STRING_TYPE: |
| case EXTERNAL_ASCII_INTERNALIZED_STRING_TYPE: |
| case EXTERNAL_INTERNALIZED_STRING_WITH_ONE_BYTE_DATA_TYPE: |
| case SHORT_EXTERNAL_INTERNALIZED_STRING_TYPE: |
| case SHORT_EXTERNAL_ASCII_INTERNALIZED_STRING_TYPE: |
| case SHORT_EXTERNAL_INTERNALIZED_STRING_WITH_ONE_BYTE_DATA_TYPE: |
| return kString; |
| case SYMBOL_TYPE: |
| return kSymbol; |
| case ODDBALL_TYPE: |
| return kOddball; |
| case HEAP_NUMBER_TYPE: |
| return kDouble; |
| case JS_VALUE_TYPE: |
| case JS_DATE_TYPE: |
| case JS_OBJECT_TYPE: |
| case JS_CONTEXT_EXTENSION_OBJECT_TYPE: |
| case JS_GENERATOR_OBJECT_TYPE: |
| case JS_MODULE_TYPE: |
| case JS_GLOBAL_OBJECT_TYPE: |
| case JS_BUILTINS_OBJECT_TYPE: |
| case JS_GLOBAL_PROXY_TYPE: |
| case JS_ARRAY_BUFFER_TYPE: |
| case JS_TYPED_ARRAY_TYPE: |
| case JS_DATA_VIEW_TYPE: |
| case JS_SET_TYPE: |
| case JS_MAP_TYPE: |
| case JS_WEAK_MAP_TYPE: |
| case JS_WEAK_SET_TYPE: |
| if (map->is_undetectable()) return kUndetectable; |
| return kOtherObject; |
| case JS_ARRAY_TYPE: |
| return kArray; |
| case JS_FUNCTION_TYPE: |
| return kFunction; |
| case JS_REGEXP_TYPE: |
| return kRegExp; |
| case JS_PROXY_TYPE: |
| case JS_FUNCTION_PROXY_TYPE: |
| return kProxy; |
| case MAP_TYPE: |
| // When compiling stub templates, the meta map is used as a place holder |
| // for the actual map with which the template is later instantiated. |
| // We treat it as a kind of type variable whose upper bound is Any. |
| // TODO(rossberg): for caching of CompareNilIC stubs to work correctly, |
| // we must exclude Undetectable here. This makes no sense, really, |
| // because it means that the template isn't actually parametric. |
| // Also, it doesn't apply elsewhere. 8-( |
| // We ought to find a cleaner solution for compiling stubs parameterised |
| // over type or class variables, esp ones with bounds... |
| return kDetectable; |
| case DECLARED_ACCESSOR_INFO_TYPE: |
| case EXECUTABLE_ACCESSOR_INFO_TYPE: |
| case ACCESSOR_PAIR_TYPE: |
| case FIXED_ARRAY_TYPE: |
| return kInternal; |
| default: |
| UNREACHABLE(); |
| return kNone; |
| } |
| } |
| |
| |
| // Get the largest bitset subsumed by this type. |
| template<class Config> |
| int TypeImpl<Config>::GlbBitset() { |
| if (this->IsBitset()) { |
| return this->AsBitset(); |
| } else if (this->IsUnion()) { |
| // All but the first are non-bitsets and thus would yield kNone anyway. |
| return Config::union_get(this->AsUnion(), 0)->GlbBitset(); |
| } else { |
| return kNone; |
| } |
| } |
| |
| |
| // Most precise _current_ type of a value (usually its class). |
| template<class Config> |
| typename TypeImpl<Config>::TypeHandle TypeImpl<Config>::OfCurrently( |
| i::Handle<i::Object> value, Region* region) { |
| if (value->IsSmi()) return Smi(region); |
| i::Map* map = i::HeapObject::cast(*value)->map(); |
| if (map->instance_type() == HEAP_NUMBER_TYPE || |
| map->instance_type() == ODDBALL_TYPE) { |
| return Of(value, region); |
| } |
| return Class(i::handle(map), region); |
| } |
| |
| |
| // Check this <= that. |
| template<class Config> |
| bool TypeImpl<Config>::SlowIs(TypeImpl* that) { |
| // Fast path for bitsets. |
| if (this->IsNone()) return true; |
| if (that->IsBitset()) { |
| return (this->LubBitset() | that->AsBitset()) == that->AsBitset(); |
| } |
| |
| if (that->IsClass()) { |
| return this->IsClass() && *this->AsClass() == *that->AsClass(); |
| } |
| if (that->IsConstant()) { |
| return this->IsConstant() && *this->AsConstant() == *that->AsConstant(); |
| } |
| |
| // (T1 \/ ... \/ Tn) <= T <=> (T1 <= T) /\ ... /\ (Tn <= T) |
| if (this->IsUnion()) { |
| UnionedHandle unioned = this->AsUnion(); |
| for (int i = 0; i < Config::union_length(unioned); ++i) { |
| TypeHandle this_i = Config::union_get(unioned, i); |
| if (!this_i->Is(that)) return false; |
| } |
| return true; |
| } |
| |
| // T <= (T1 \/ ... \/ Tn) <=> (T <= T1) \/ ... \/ (T <= Tn) |
| // (iff T is not a union) |
| ASSERT(!this->IsUnion()); |
| if (that->IsUnion()) { |
| UnionedHandle unioned = that->AsUnion(); |
| for (int i = 0; i < Config::union_length(unioned); ++i) { |
| TypeHandle that_i = Config::union_get(unioned, i); |
| if (this->Is(that_i)) return true; |
| if (this->IsBitset()) break; // Fast fail, only first field is a bitset. |
| } |
| return false; |
| } |
| |
| return false; |
| } |
| |
| |
| template<class Config> |
| bool TypeImpl<Config>::IsCurrently(TypeImpl* that) { |
| return this->Is(that) || |
| (this->IsConstant() && that->IsClass() && |
| this->AsConstant()->IsHeapObject() && |
| i::HeapObject::cast(*this->AsConstant())->map() == *that->AsClass()); |
| } |
| |
| |
| // Check this overlaps that. |
| template<class Config> |
| bool TypeImpl<Config>::Maybe(TypeImpl* that) { |
| // Fast path for bitsets. |
| if (this->IsBitset()) { |
| return (this->AsBitset() & that->LubBitset()) != 0; |
| } |
| if (that->IsBitset()) { |
| return (this->LubBitset() & that->AsBitset()) != 0; |
| } |
| |
| // (T1 \/ ... \/ Tn) overlaps T <=> (T1 overlaps T) \/ ... \/ (Tn overlaps T) |
| if (this->IsUnion()) { |
| UnionedHandle unioned = this->AsUnion(); |
| for (int i = 0; i < Config::union_length(unioned); ++i) { |
| TypeHandle this_i = Config::union_get(unioned, i); |
| if (this_i->Maybe(that)) return true; |
| } |
| return false; |
| } |
| |
| // T overlaps (T1 \/ ... \/ Tn) <=> (T overlaps T1) \/ ... \/ (T overlaps Tn) |
| if (that->IsUnion()) { |
| UnionedHandle unioned = that->AsUnion(); |
| for (int i = 0; i < Config::union_length(unioned); ++i) { |
| TypeHandle that_i = Config::union_get(unioned, i); |
| if (this->Maybe(that_i)) return true; |
| } |
| return false; |
| } |
| |
| ASSERT(!this->IsUnion() && !that->IsUnion()); |
| if (this->IsClass()) { |
| return that->IsClass() && *this->AsClass() == *that->AsClass(); |
| } |
| if (this->IsConstant()) { |
| return that->IsConstant() && *this->AsConstant() == *that->AsConstant(); |
| } |
| |
| return false; |
| } |
| |
| |
| template<class Config> |
| bool TypeImpl<Config>::InUnion(UnionedHandle unioned, int current_size) { |
| ASSERT(!this->IsUnion()); |
| for (int i = 0; i < current_size; ++i) { |
| TypeHandle type = Config::union_get(unioned, i); |
| if (this->Is(type)) return true; |
| } |
| return false; |
| } |
| |
| |
| // Get non-bitsets from this which are not subsumed by union, store at unioned, |
| // starting at index. Returns updated index. |
| template<class Config> |
| int TypeImpl<Config>::ExtendUnion( |
| UnionedHandle result, TypeHandle type, int current_size) { |
| int old_size = current_size; |
| if (type->IsClass() || type->IsConstant()) { |
| if (!type->InUnion(result, old_size)) { |
| Config::union_set(result, current_size++, type); |
| } |
| } else if (type->IsUnion()) { |
| UnionedHandle unioned = type->AsUnion(); |
| for (int i = 0; i < Config::union_length(unioned); ++i) { |
| TypeHandle type = Config::union_get(unioned, i); |
| ASSERT(i == 0 || |
| !(type->IsBitset() || type->Is(Config::union_get(unioned, 0)))); |
| if (!type->IsBitset() && !type->InUnion(result, old_size)) { |
| Config::union_set(result, current_size++, type); |
| } |
| } |
| } |
| return current_size; |
| } |
| |
| |
| // Union is O(1) on simple bit unions, but O(n*m) on structured unions. |
| // TODO(rossberg): Should we use object sets somehow? Is it worth it? |
| template<class Config> |
| typename TypeImpl<Config>::TypeHandle TypeImpl<Config>::Union( |
| TypeHandle type1, TypeHandle type2, Region* region) { |
| // Fast case: bit sets. |
| if (type1->IsBitset() && type2->IsBitset()) { |
| return Config::from_bitset(type1->AsBitset() | type2->AsBitset(), region); |
| } |
| |
| // Fast case: top or bottom types. |
| if (type1->IsAny()) return type1; |
| if (type2->IsAny()) return type2; |
| if (type1->IsNone()) return type2; |
| if (type2->IsNone()) return type1; |
| |
| // Semi-fast case: Unioned objects are neither involved nor produced. |
| if (!(type1->IsUnion() || type2->IsUnion())) { |
| if (type1->Is(type2)) return type2; |
| if (type2->Is(type1)) return type1; |
| } |
| |
| // Slow case: may need to produce a Unioned object. |
| int size = type1->IsBitset() || type2->IsBitset() ? 1 : 0; |
| if (!type1->IsBitset()) { |
| size += (type1->IsUnion() ? Config::union_length(type1->AsUnion()) : 1); |
| } |
| if (!type2->IsBitset()) { |
| size += (type2->IsUnion() ? Config::union_length(type2->AsUnion()) : 1); |
| } |
| ASSERT(size >= 2); |
| UnionedHandle unioned = Config::union_create(size, region); |
| size = 0; |
| |
| int bitset = type1->GlbBitset() | type2->GlbBitset(); |
| if (bitset != kNone) { |
| Config::union_set(unioned, size++, Config::from_bitset(bitset, region)); |
| } |
| size = ExtendUnion(unioned, type1, size); |
| size = ExtendUnion(unioned, type2, size); |
| |
| if (size == 1) { |
| return Config::union_get(unioned, 0); |
| } else { |
| Config::union_shrink(unioned, size); |
| return Config::from_union(unioned); |
| } |
| } |
| |
| |
| // Get non-bitsets from type which are also in other, store at unioned, |
| // starting at index. Returns updated index. |
| template<class Config> |
| int TypeImpl<Config>::ExtendIntersection( |
| UnionedHandle result, TypeHandle type, TypeHandle other, int current_size) { |
| int old_size = current_size; |
| if (type->IsClass() || type->IsConstant()) { |
| if (type->Is(other) && !type->InUnion(result, old_size)) { |
| Config::union_set(result, current_size++, type); |
| } |
| } else if (type->IsUnion()) { |
| UnionedHandle unioned = type->AsUnion(); |
| for (int i = 0; i < Config::union_length(unioned); ++i) { |
| TypeHandle type = Config::union_get(unioned, i); |
| ASSERT(i == 0 || |
| !(type->IsBitset() || type->Is(Config::union_get(unioned, 0)))); |
| if (!type->IsBitset() && type->Is(other) && |
| !type->InUnion(result, old_size)) { |
| Config::union_set(result, current_size++, type); |
| } |
| } |
| } |
| return current_size; |
| } |
| |
| |
| // Intersection is O(1) on simple bit unions, but O(n*m) on structured unions. |
| // TODO(rossberg): Should we use object sets somehow? Is it worth it? |
| template<class Config> |
| typename TypeImpl<Config>::TypeHandle TypeImpl<Config>::Intersect( |
| TypeHandle type1, TypeHandle type2, Region* region) { |
| // Fast case: bit sets. |
| if (type1->IsBitset() && type2->IsBitset()) { |
| return Config::from_bitset(type1->AsBitset() & type2->AsBitset(), region); |
| } |
| |
| // Fast case: top or bottom types. |
| if (type1->IsNone()) return type1; |
| if (type2->IsNone()) return type2; |
| if (type1->IsAny()) return type2; |
| if (type2->IsAny()) return type1; |
| |
| // Semi-fast case: Unioned objects are neither involved nor produced. |
| if (!(type1->IsUnion() || type2->IsUnion())) { |
| if (type1->Is(type2)) return type1; |
| if (type2->Is(type1)) return type2; |
| } |
| |
| // Slow case: may need to produce a Unioned object. |
| int size = 0; |
| if (!type1->IsBitset()) { |
| size = (type1->IsUnion() ? Config::union_length(type1->AsUnion()) : 2); |
| } |
| if (!type2->IsBitset()) { |
| int size2 = (type2->IsUnion() ? Config::union_length(type2->AsUnion()) : 2); |
| size = (size == 0 ? size2 : Min(size, size2)); |
| } |
| ASSERT(size >= 2); |
| UnionedHandle unioned = Config::union_create(size, region); |
| size = 0; |
| |
| int bitset = type1->GlbBitset() & type2->GlbBitset(); |
| if (bitset != kNone) { |
| Config::union_set(unioned, size++, Config::from_bitset(bitset, region)); |
| } |
| size = ExtendIntersection(unioned, type1, type2, size); |
| size = ExtendIntersection(unioned, type2, type1, size); |
| |
| if (size == 0) { |
| return None(region); |
| } else if (size == 1) { |
| return Config::union_get(unioned, 0); |
| } else { |
| Config::union_shrink(unioned, size); |
| return Config::from_union(unioned); |
| } |
| } |
| |
| |
| template<class Config> |
| template<class OtherType> |
| typename TypeImpl<Config>::TypeHandle TypeImpl<Config>::Convert( |
| typename OtherType::TypeHandle type, Region* region) { |
| if (type->IsBitset()) { |
| return Config::from_bitset(type->AsBitset(), region); |
| } else if (type->IsClass()) { |
| return Config::from_class(type->AsClass(), region); |
| } else if (type->IsConstant()) { |
| return Config::from_constant(type->AsConstant(), region); |
| } else { |
| ASSERT(type->IsUnion()); |
| typename OtherType::UnionedHandle unioned = type->AsUnion(); |
| int length = OtherType::UnionLength(unioned); |
| UnionedHandle new_unioned = Config::union_create(length, region); |
| for (int i = 0; i < length; ++i) { |
| Config::union_set(new_unioned, i, |
| Convert<OtherType>(OtherType::UnionGet(unioned, i), region)); |
| } |
| return Config::from_union(new_unioned); |
| } |
| } |
| |
| |
| // TODO(rossberg): this does not belong here. |
| Representation Representation::FromType(Type* type) { |
| if (type->Is(Type::None())) return Representation::None(); |
| if (type->Is(Type::Smi())) return Representation::Smi(); |
| if (type->Is(Type::Signed32())) return Representation::Integer32(); |
| if (type->Is(Type::Number())) return Representation::Double(); |
| return Representation::Tagged(); |
| } |
| |
| |
| #ifdef OBJECT_PRINT |
| template<class Config> |
| void TypeImpl<Config>::TypePrint() { |
| TypePrint(stdout); |
| PrintF(stdout, "\n"); |
| Flush(stdout); |
| } |
| |
| |
| template<class Config> |
| const char* TypeImpl<Config>::bitset_name(int bitset) { |
| switch (bitset) { |
| #define PRINT_COMPOSED_TYPE(type, value) case k##type: return #type; |
| BITSET_TYPE_LIST(PRINT_COMPOSED_TYPE) |
| #undef PRINT_COMPOSED_TYPE |
| default: |
| return NULL; |
| } |
| } |
| |
| |
| template<class Config> |
| void TypeImpl<Config>::TypePrint(FILE* out) { |
| if (this->IsBitset()) { |
| int bitset = this->AsBitset(); |
| const char* name = bitset_name(bitset); |
| if (name != NULL) { |
| PrintF(out, "%s", name); |
| } else { |
| bool is_first = true; |
| PrintF(out, "("); |
| for (int mask = 1; mask != 0; mask = mask << 1) { |
| if ((bitset & mask) != 0) { |
| if (!is_first) PrintF(out, " | "); |
| is_first = false; |
| PrintF(out, "%s", bitset_name(mask)); |
| } |
| } |
| PrintF(out, ")"); |
| } |
| } else if (this->IsConstant()) { |
| PrintF(out, "Constant(%p : ", static_cast<void*>(*this->AsConstant())); |
| Config::from_bitset(this->LubBitset())->TypePrint(out); |
| PrintF(")"); |
| } else if (this->IsClass()) { |
| PrintF(out, "Class(%p < ", static_cast<void*>(*this->AsClass())); |
| Config::from_bitset(this->LubBitset())->TypePrint(out); |
| PrintF(")"); |
| } else if (this->IsUnion()) { |
| PrintF(out, "("); |
| UnionedHandle unioned = this->AsUnion(); |
| for (int i = 0; i < Config::union_length(unioned); ++i) { |
| TypeHandle type_i = Config::union_get(unioned, i); |
| if (i > 0) PrintF(out, " | "); |
| type_i->TypePrint(out); |
| } |
| PrintF(out, ")"); |
| } |
| } |
| #endif |
| |
| |
| template class TypeImpl<ZoneTypeConfig>; |
| template class TypeImpl<ZoneTypeConfig>::Iterator<i::Map>; |
| template class TypeImpl<ZoneTypeConfig>::Iterator<i::Object>; |
| |
| template class TypeImpl<HeapTypeConfig>; |
| template class TypeImpl<HeapTypeConfig>::Iterator<i::Map>; |
| template class TypeImpl<HeapTypeConfig>::Iterator<i::Object>; |
| |
| template TypeImpl<ZoneTypeConfig>::TypeHandle |
| TypeImpl<ZoneTypeConfig>::Convert<HeapType>( |
| TypeImpl<HeapTypeConfig>::TypeHandle, TypeImpl<ZoneTypeConfig>::Region*); |
| template TypeImpl<HeapTypeConfig>::TypeHandle |
| TypeImpl<HeapTypeConfig>::Convert<Type>( |
| TypeImpl<ZoneTypeConfig>::TypeHandle, TypeImpl<HeapTypeConfig>::Region*); |
| |
| |
| } } // namespace v8::internal |