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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/full-codegen/full-codegen.h" | 5 #include "src/full-codegen/full-codegen.h" |
6 | 6 |
7 #include "src/ast/ast.h" | 7 #include "src/ast/ast.h" |
8 #include "src/ast/ast-numbering.h" | 8 #include "src/ast/ast-numbering.h" |
9 #include "src/ast/prettyprinter.h" | 9 #include "src/ast/prettyprinter.h" |
10 #include "src/ast/scopeinfo.h" | 10 #include "src/ast/scopeinfo.h" |
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136 int FullCodeGenerator::NewHandlerTableEntry() { | 136 int FullCodeGenerator::NewHandlerTableEntry() { |
137 int index = static_cast<int>(handler_table_.size()); | 137 int index = static_cast<int>(handler_table_.size()); |
138 HandlerTableEntry entry = {0, 0, 0, 0, 0}; | 138 HandlerTableEntry entry = {0, 0, 0, 0, 0}; |
139 handler_table_.push_back(entry); | 139 handler_table_.push_back(entry); |
140 return index; | 140 return index; |
141 } | 141 } |
142 | 142 |
143 | 143 |
144 bool FullCodeGenerator::MustCreateObjectLiteralWithRuntime( | 144 bool FullCodeGenerator::MustCreateObjectLiteralWithRuntime( |
145 ObjectLiteral* expr) const { | 145 ObjectLiteral* expr) const { |
146 int literal_flags = expr->ComputeFlags(); | |
147 // FastCloneShallowObjectStub doesn't copy elements, and object literals don't | 146 // FastCloneShallowObjectStub doesn't copy elements, and object literals don't |
148 // support copy-on-write (COW) elements for now. | 147 // support copy-on-write (COW) elements for now. |
149 // TODO(mvstanton): make object literals support COW elements. | 148 // TODO(mvstanton): make object literals support COW elements. |
150 return masm()->serializer_enabled() || | 149 return masm()->serializer_enabled() || !expr->fast_elements() || |
151 (literal_flags & ObjectLiteral::kShallowProperties) == 0 || | 150 !expr->has_shallow_properties() || |
152 (literal_flags & ObjectLiteral::kFastElements) == 0 || | |
153 expr->properties_count() > | 151 expr->properties_count() > |
154 FastCloneShallowObjectStub::kMaximumClonedProperties; | 152 FastCloneShallowObjectStub::kMaximumClonedProperties; |
155 } | 153 } |
156 | 154 |
157 | 155 |
158 bool FullCodeGenerator::MustCreateArrayLiteralWithRuntime( | 156 bool FullCodeGenerator::MustCreateArrayLiteralWithRuntime( |
159 ArrayLiteral* expr) const { | 157 ArrayLiteral* expr) const { |
160 // TODO(rossberg): Teach strong mode to FastCloneShallowArrayStub. | 158 // TODO(rossberg): Teach strong mode to FastCloneShallowArrayStub. |
161 return expr->depth() > 1 || expr->is_strong() || | 159 return expr->depth() > 1 || expr->is_strong() || |
162 expr->values()->length() > JSArray::kInitialMaxFastElementArray; | 160 expr->values()->length() > JSArray::kInitialMaxFastElementArray; |
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1710 return var->mode() == CONST_LEGACY || var->scope()->is_nonlinear() || | 1708 return var->mode() == CONST_LEGACY || var->scope()->is_nonlinear() || |
1711 var->initializer_position() >= proxy->position(); | 1709 var->initializer_position() >= proxy->position(); |
1712 } | 1710 } |
1713 | 1711 |
1714 | 1712 |
1715 #undef __ | 1713 #undef __ |
1716 | 1714 |
1717 | 1715 |
1718 } // namespace internal | 1716 } // namespace internal |
1719 } // namespace v8 | 1717 } // namespace v8 |
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