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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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15911 void PropertyCell::set_type(Type* type, WriteBarrierMode ignored) { | 15911 void PropertyCell::set_type(Type* type, WriteBarrierMode ignored) { |
15912 ASSERT(IsPropertyCell()); | 15912 ASSERT(IsPropertyCell()); |
15913 set_type_raw(type, ignored); | 15913 set_type_raw(type, ignored); |
15914 } | 15914 } |
15915 | 15915 |
15916 | 15916 |
15917 Type* PropertyCell::UpdateType(Handle<PropertyCell> cell, | 15917 Type* PropertyCell::UpdateType(Handle<PropertyCell> cell, |
15918 Handle<Object> value) { | 15918 Handle<Object> value) { |
15919 Isolate* isolate = cell->GetIsolate(); | 15919 Isolate* isolate = cell->GetIsolate(); |
15920 Handle<Type> old_type(cell->type(), isolate); | 15920 Handle<Type> old_type(cell->type(), isolate); |
15921 Handle<Type> new_type((value->IsSmi() || value->IsJSFunction() || | 15921 Handle<Type> new_type(value->IsTheHole() |
15922 value->IsUndefined()) | 15922 ? Type::Any() |
15923 ? Type::Constant(value, isolate) | 15923 : Type::Constant(value, isolate), isolate); |
15924 : Type::Any(), isolate); | |
15925 | 15924 |
15926 if (new_type->Is(old_type)) { | 15925 if (new_type->Is(old_type)) { |
15927 return *old_type; | 15926 return *old_type; |
15928 } | 15927 } |
15929 | 15928 |
15930 cell->dependent_code()->DeoptimizeDependentCodeGroup( | 15929 cell->dependent_code()->DeoptimizeDependentCodeGroup( |
15931 isolate, DependentCode::kPropertyCellChangedGroup); | 15930 isolate, DependentCode::kPropertyCellChangedGroup); |
15932 | 15931 |
15933 if (old_type->Is(Type::None()) || old_type->Is(Type::Undefined())) { | 15932 if (old_type->Is(Type::None()) || old_type->Is(Type::Undefined())) { |
15934 return *new_type; | 15933 return *new_type; |
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15968 | 15967 |
15969 void PropertyCell::AddDependentCode(Handle<Code> code) { | 15968 void PropertyCell::AddDependentCode(Handle<Code> code) { |
15970 Handle<DependentCode> codes = DependentCode::Insert( | 15969 Handle<DependentCode> codes = DependentCode::Insert( |
15971 Handle<DependentCode>(dependent_code()), | 15970 Handle<DependentCode>(dependent_code()), |
15972 DependentCode::kPropertyCellChangedGroup, code); | 15971 DependentCode::kPropertyCellChangedGroup, code); |
15973 if (*codes != dependent_code()) set_dependent_code(*codes); | 15972 if (*codes != dependent_code()) set_dependent_code(*codes); |
15974 } | 15973 } |
15975 | 15974 |
15976 | 15975 |
15977 } } // namespace v8::internal | 15976 } } // namespace v8::internal |
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