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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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71 const int length = kVariablePartIndex | 71 const int length = kVariablePartIndex |
72 + parameter_count + stack_local_count + 2 * context_local_count | 72 + parameter_count + stack_local_count + 2 * context_local_count |
73 + (has_function_name ? 2 : 0); | 73 + (has_function_name ? 2 : 0); |
74 | 74 |
75 Factory* factory = zone->isolate()->factory(); | 75 Factory* factory = zone->isolate()->factory(); |
76 Handle<ScopeInfo> scope_info = factory->NewScopeInfo(length); | 76 Handle<ScopeInfo> scope_info = factory->NewScopeInfo(length); |
77 | 77 |
78 // Encode the flags. | 78 // Encode the flags. |
79 int flags = ScopeTypeField::encode(scope->scope_type()) | | 79 int flags = ScopeTypeField::encode(scope->scope_type()) | |
80 CallsEvalField::encode(scope->calls_eval()) | | 80 CallsEvalField::encode(scope->calls_eval()) | |
81 LanguageModeField::encode(scope->language_mode()) | | 81 StrictModeField::encode(scope->strict_mode()) | |
82 FunctionVariableField::encode(function_name_info) | | 82 FunctionVariableField::encode(function_name_info) | |
83 FunctionVariableMode::encode(function_variable_mode); | 83 FunctionVariableMode::encode(function_variable_mode); |
84 scope_info->SetFlags(flags); | 84 scope_info->SetFlags(flags); |
85 scope_info->SetParameterCount(parameter_count); | 85 scope_info->SetParameterCount(parameter_count); |
86 scope_info->SetStackLocalCount(stack_local_count); | 86 scope_info->SetStackLocalCount(stack_local_count); |
87 scope_info->SetContextLocalCount(context_local_count); | 87 scope_info->SetContextLocalCount(context_local_count); |
88 | 88 |
89 int index = kVariablePartIndex; | 89 int index = kVariablePartIndex; |
90 // Add parameters. | 90 // Add parameters. |
91 ASSERT(index == scope_info->ParameterEntriesIndex()); | 91 ASSERT(index == scope_info->ParameterEntriesIndex()); |
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157 ASSERT(length() > 0); | 157 ASSERT(length() > 0); |
158 return ScopeTypeField::decode(Flags()); | 158 return ScopeTypeField::decode(Flags()); |
159 } | 159 } |
160 | 160 |
161 | 161 |
162 bool ScopeInfo::CallsEval() { | 162 bool ScopeInfo::CallsEval() { |
163 return length() > 0 && CallsEvalField::decode(Flags()); | 163 return length() > 0 && CallsEvalField::decode(Flags()); |
164 } | 164 } |
165 | 165 |
166 | 166 |
167 LanguageMode ScopeInfo::language_mode() { | 167 StrictMode ScopeInfo::strict_mode() { |
168 return length() > 0 ? LanguageModeField::decode(Flags()) : SLOPPY_MODE; | 168 return length() > 0 ? StrictModeField::decode(Flags()) : SLOPPY; |
169 } | 169 } |
170 | 170 |
171 | 171 |
172 int ScopeInfo::LocalCount() { | 172 int ScopeInfo::LocalCount() { |
173 return StackLocalCount() + ContextLocalCount(); | 173 return StackLocalCount() + ContextLocalCount(); |
174 } | 174 } |
175 | 175 |
176 | 176 |
177 int ScopeInfo::StackSlotCount() { | 177 int ScopeInfo::StackSlotCount() { |
178 if (length() > 0) { | 178 if (length() > 0) { |
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371 int start = scope_info->ContextLocalNameEntriesIndex(); | 371 int start = scope_info->ContextLocalNameEntriesIndex(); |
372 int end = start + local_count; | 372 int end = start + local_count; |
373 for (int i = start; i < end; ++i) { | 373 for (int i = start; i < end; ++i) { |
374 int context_index = Context::MIN_CONTEXT_SLOTS + i - start; | 374 int context_index = Context::MIN_CONTEXT_SLOTS + i - start; |
375 Handle<Object> result = Runtime::SetObjectProperty( | 375 Handle<Object> result = Runtime::SetObjectProperty( |
376 isolate, | 376 isolate, |
377 scope_object, | 377 scope_object, |
378 Handle<String>(String::cast(scope_info->get(i))), | 378 Handle<String>(String::cast(scope_info->get(i))), |
379 Handle<Object>(context->get(context_index), isolate), | 379 Handle<Object>(context->get(context_index), isolate), |
380 ::NONE, | 380 ::NONE, |
381 kSloppyMode); | 381 SLOPPY); |
382 RETURN_IF_EMPTY_HANDLE_VALUE(isolate, result, false); | 382 RETURN_IF_EMPTY_HANDLE_VALUE(isolate, result, false); |
383 } | 383 } |
384 return true; | 384 return true; |
385 } | 385 } |
386 | 386 |
387 | 387 |
388 int ScopeInfo::ParameterEntriesIndex() { | 388 int ScopeInfo::ParameterEntriesIndex() { |
389 ASSERT(length() > 0); | 389 ASSERT(length() > 0); |
390 return kVariablePartIndex; | 390 return kVariablePartIndex; |
391 } | 391 } |
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552 } else { | 552 } else { |
553 ASSERT(var->index() >= 0); | 553 ASSERT(var->index() >= 0); |
554 info->set_index(i, var->index()); | 554 info->set_index(i, var->index()); |
555 } | 555 } |
556 } | 556 } |
557 ASSERT(i == info->length()); | 557 ASSERT(i == info->length()); |
558 return info; | 558 return info; |
559 } | 559 } |
560 | 560 |
561 } } // namespace v8::internal | 561 } } // namespace v8::internal |
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