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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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