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| 1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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/v8.h" | 5 #include "src/v8.h" |
| 6 | 6 |
| 7 #include "src/accessors.h" | 7 #include "src/accessors.h" |
| 8 #include "src/arguments.h" | 8 #include "src/arguments.h" |
| 9 #include "src/debug.h" | 9 #include "src/debug.h" |
| 10 #include "src/deoptimizer.h" | 10 #include "src/deoptimizer.h" |
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| 129 // Check if the name is trivially convertible to an index and get the element | 129 // Check if the name is trivially convertible to an index and get the element |
| 130 // if so. | 130 // if so. |
| 131 uint32_t index; | 131 uint32_t index; |
| 132 if (name->AsArrayIndex(&index)) { | 132 if (name->AsArrayIndex(&index)) { |
| 133 Handle<FixedArray> details = isolate->factory()->NewFixedArray(2); | 133 Handle<FixedArray> details = isolate->factory()->NewFixedArray(2); |
| 134 Handle<Object> element_or_char; | 134 Handle<Object> element_or_char; |
| 135 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( | 135 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
| 136 isolate, element_or_char, | 136 isolate, element_or_char, |
| 137 Runtime::GetElementOrCharAt(isolate, obj, index)); | 137 Runtime::GetElementOrCharAt(isolate, obj, index)); |
| 138 details->set(0, *element_or_char); | 138 details->set(0, *element_or_char); |
| 139 details->set(1, | 139 details->set(1, PropertyDetails(NONE, FIELD, 0).AsSmi()); |
| 140 PropertyDetails(NONE, NORMAL, Representation::None()).AsSmi()); | |
| 141 return *isolate->factory()->NewJSArrayWithElements(details); | 140 return *isolate->factory()->NewJSArrayWithElements(details); |
| 142 } | 141 } |
| 143 | 142 |
| 144 LookupIterator it(obj, name, LookupIterator::HIDDEN); | 143 LookupIterator it(obj, name, LookupIterator::HIDDEN); |
| 145 bool has_caught = false; | 144 bool has_caught = false; |
| 146 Handle<Object> value = DebugGetProperty(&it, &has_caught); | 145 Handle<Object> value = DebugGetProperty(&it, &has_caught); |
| 147 if (!it.IsFound()) return isolate->heap()->undefined_value(); | 146 if (!it.IsFound()) return isolate->heap()->undefined_value(); |
| 148 | 147 |
| 149 Handle<Object> maybe_pair; | 148 Handle<Object> maybe_pair; |
| 150 if (it.state() == LookupIterator::ACCESSOR) { | 149 if (it.state() == LookupIterator::ACCESSOR) { |
| 151 maybe_pair = it.GetAccessors(); | 150 maybe_pair = it.GetAccessors(); |
| 152 } | 151 } |
| 153 | 152 |
| 154 // If the callback object is a fixed array then it contains JavaScript | 153 // If the callback object is a fixed array then it contains JavaScript |
| 155 // getter and/or setter. | 154 // getter and/or setter. |
| 156 bool has_js_accessors = !maybe_pair.is_null() && maybe_pair->IsAccessorPair(); | 155 bool has_js_accessors = !maybe_pair.is_null() && maybe_pair->IsAccessorPair(); |
| 157 Handle<FixedArray> details = | 156 Handle<FixedArray> details = |
| 158 isolate->factory()->NewFixedArray(has_js_accessors ? 6 : 3); | 157 isolate->factory()->NewFixedArray(has_js_accessors ? 6 : 3); |
| 159 details->set(0, *value); | 158 details->set(0, *value); |
| 160 // TODO(verwaest): Get rid of this random way of handling interceptors. | 159 // TODO(verwaest): Get rid of this random way of handling interceptors. |
| 161 PropertyDetails d = it.state() == LookupIterator::INTERCEPTOR | 160 PropertyDetails d = it.state() == LookupIterator::INTERCEPTOR |
| 162 ? PropertyDetails(NONE, NORMAL, 0) | 161 ? PropertyDetails(NONE, FIELD, 0) |
| 163 : it.property_details(); | 162 : it.property_details(); |
| 164 details->set(1, d.AsSmi()); | 163 details->set(1, d.AsSmi()); |
| 165 details->set( | 164 details->set( |
| 166 2, isolate->heap()->ToBoolean(it.state() == LookupIterator::INTERCEPTOR)); | 165 2, isolate->heap()->ToBoolean(it.state() == LookupIterator::INTERCEPTOR)); |
| 167 if (has_js_accessors) { | 166 if (has_js_accessors) { |
| 168 AccessorPair* accessors = AccessorPair::cast(*maybe_pair); | 167 AccessorPair* accessors = AccessorPair::cast(*maybe_pair); |
| 169 details->set(3, isolate->heap()->ToBoolean(has_caught)); | 168 details->set(3, isolate->heap()->ToBoolean(has_caught)); |
| 170 details->set(4, accessors->GetComponent(ACCESSOR_GETTER)); | 169 details->set(4, accessors->GetComponent(ACCESSOR_GETTER)); |
| 171 details->set(5, accessors->GetComponent(ACCESSOR_SETTER)); | 170 details->set(5, accessors->GetComponent(ACCESSOR_SETTER)); |
| 172 } | 171 } |
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| 207 return Smi::FromInt(static_cast<int>(details.attributes())); | 206 return Smi::FromInt(static_cast<int>(details.attributes())); |
| 208 } | 207 } |
| 209 | 208 |
| 210 | 209 |
| 211 // Return the property insertion index calculated from the property details. | 210 // Return the property insertion index calculated from the property details. |
| 212 // args[0]: smi with property details. | 211 // args[0]: smi with property details. |
| 213 RUNTIME_FUNCTION(Runtime_DebugPropertyIndexFromDetails) { | 212 RUNTIME_FUNCTION(Runtime_DebugPropertyIndexFromDetails) { |
| 214 SealHandleScope shs(isolate); | 213 SealHandleScope shs(isolate); |
| 215 DCHECK(args.length() == 1); | 214 DCHECK(args.length() == 1); |
| 216 CONVERT_PROPERTY_DETAILS_CHECKED(details, 0); | 215 CONVERT_PROPERTY_DETAILS_CHECKED(details, 0); |
| 217 // TODO(verwaest): Depends on the type of details. | 216 // TODO(verwaest): Works only for dictionary mode holders. |
| 218 return Smi::FromInt(details.dictionary_index()); | 217 return Smi::FromInt(details.dictionary_index()); |
| 219 } | 218 } |
| 220 | 219 |
| 221 | 220 |
| 222 // Return property value from named interceptor. | 221 // Return property value from named interceptor. |
| 223 // args[0]: object | 222 // args[0]: object |
| 224 // args[1]: property name | 223 // args[1]: property name |
| 225 RUNTIME_FUNCTION(Runtime_DebugNamedInterceptorPropertyValue) { | 224 RUNTIME_FUNCTION(Runtime_DebugNamedInterceptorPropertyValue) { |
| 226 HandleScope scope(isolate); | 225 HandleScope scope(isolate); |
| 227 DCHECK(args.length() == 2); | 226 DCHECK(args.length() == 2); |
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| 2808 return Smi::FromInt(isolate->debug()->is_active()); | 2807 return Smi::FromInt(isolate->debug()->is_active()); |
| 2809 } | 2808 } |
| 2810 | 2809 |
| 2811 | 2810 |
| 2812 RUNTIME_FUNCTION(RuntimeReference_DebugBreakInOptimizedCode) { | 2811 RUNTIME_FUNCTION(RuntimeReference_DebugBreakInOptimizedCode) { |
| 2813 UNIMPLEMENTED(); | 2812 UNIMPLEMENTED(); |
| 2814 return NULL; | 2813 return NULL; |
| 2815 } | 2814 } |
| 2816 } | 2815 } |
| 2817 } // namespace v8::internal | 2816 } // namespace v8::internal |
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