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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 #if V8_TARGET_ARCH_X87 | 5 #if V8_TARGET_ARCH_X87 |
| 6 | 6 |
| 7 #include "src/full-codegen/full-codegen.h" | 7 #include "src/full-codegen/full-codegen.h" |
| 8 #include "src/ast/compile-time-value.h" | 8 #include "src/ast/compile-time-value.h" |
| 9 #include "src/ast/scopes.h" | 9 #include "src/ast/scopes.h" |
| 10 #include "src/code-factory.h" | 10 #include "src/code-factory.h" |
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| 1141 __ CallStub(&stub); | 1141 __ CallStub(&stub); |
| 1142 RestoreContext(); | 1142 RestoreContext(); |
| 1143 } | 1143 } |
| 1144 PrepareForBailoutForId(expr->CreateLiteralId(), BailoutState::TOS_REGISTER); | 1144 PrepareForBailoutForId(expr->CreateLiteralId(), BailoutState::TOS_REGISTER); |
| 1145 | 1145 |
| 1146 // If result_saved is true the result is on top of the stack. If | 1146 // If result_saved is true the result is on top of the stack. If |
| 1147 // result_saved is false the result is in eax. | 1147 // result_saved is false the result is in eax. |
| 1148 bool result_saved = false; | 1148 bool result_saved = false; |
| 1149 | 1149 |
| 1150 AccessorTable accessor_table(zone()); | 1150 AccessorTable accessor_table(zone()); |
| 1151 int property_index = 0; | 1151 for (int i = 0; i < expr->properties()->length(); i++) { |
| 1152 for (; property_index < expr->properties()->length(); property_index++) { | 1152 ObjectLiteral::Property* property = expr->properties()->at(i); |
| 1153 ObjectLiteral::Property* property = expr->properties()->at(property_index); | 1153 DCHECK(!property->is_computed_name()); |
| 1154 if (property->is_computed_name()) break; | |
| 1155 if (property->IsCompileTimeValue()) continue; | 1154 if (property->IsCompileTimeValue()) continue; |
| 1156 | 1155 |
| 1157 Literal* key = property->key()->AsLiteral(); | 1156 Literal* key = property->key()->AsLiteral(); |
| 1158 Expression* value = property->value(); | 1157 Expression* value = property->value(); |
| 1159 if (!result_saved) { | 1158 if (!result_saved) { |
| 1160 PushOperand(eax); // Save result on the stack | 1159 PushOperand(eax); // Save result on the stack |
| 1161 result_saved = true; | 1160 result_saved = true; |
| 1162 } | 1161 } |
| 1163 switch (property->kind()) { | 1162 switch (property->kind()) { |
| 1164 case ObjectLiteral::Property::CONSTANT: | 1163 case ObjectLiteral::Property::CONSTANT: |
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| 1196 CallRuntimeWithOperands(Runtime::kSetProperty); | 1195 CallRuntimeWithOperands(Runtime::kSetProperty); |
| 1197 } else { | 1196 } else { |
| 1198 DropOperands(3); | 1197 DropOperands(3); |
| 1199 } | 1198 } |
| 1200 break; | 1199 break; |
| 1201 case ObjectLiteral::Property::PROTOTYPE: | 1200 case ObjectLiteral::Property::PROTOTYPE: |
| 1202 PushOperand(Operand(esp, 0)); // Duplicate receiver. | 1201 PushOperand(Operand(esp, 0)); // Duplicate receiver. |
| 1203 VisitForStackValue(value); | 1202 VisitForStackValue(value); |
| 1204 DCHECK(property->emit_store()); | 1203 DCHECK(property->emit_store()); |
| 1205 CallRuntimeWithOperands(Runtime::kInternalSetPrototype); | 1204 CallRuntimeWithOperands(Runtime::kInternalSetPrototype); |
| 1206 PrepareForBailoutForId(expr->GetIdForPropertySet(property_index), | 1205 PrepareForBailoutForId(expr->GetIdForPropertySet(i), |
| 1207 BailoutState::NO_REGISTERS); | 1206 BailoutState::NO_REGISTERS); |
| 1208 break; | 1207 break; |
| 1209 case ObjectLiteral::Property::GETTER: | 1208 case ObjectLiteral::Property::GETTER: |
| 1210 if (property->emit_store()) { | 1209 if (property->emit_store()) { |
| 1211 AccessorTable::Iterator it = accessor_table.lookup(key); | 1210 AccessorTable::Iterator it = accessor_table.lookup(key); |
| 1212 it->second->bailout_id = expr->GetIdForPropertySet(property_index); | 1211 it->second->bailout_id = expr->GetIdForPropertySet(i); |
| 1213 it->second->getter = property; | 1212 it->second->getter = property; |
| 1214 } | 1213 } |
| 1215 break; | 1214 break; |
| 1216 case ObjectLiteral::Property::SETTER: | 1215 case ObjectLiteral::Property::SETTER: |
| 1217 if (property->emit_store()) { | 1216 if (property->emit_store()) { |
| 1218 AccessorTable::Iterator it = accessor_table.lookup(key); | 1217 AccessorTable::Iterator it = accessor_table.lookup(key); |
| 1219 it->second->bailout_id = expr->GetIdForPropertySet(property_index); | 1218 it->second->bailout_id = expr->GetIdForPropertySet(i); |
| 1220 it->second->setter = property; | 1219 it->second->setter = property; |
| 1221 } | 1220 } |
| 1222 break; | 1221 break; |
| 1223 } | 1222 } |
| 1224 } | 1223 } |
| 1225 | 1224 |
| 1226 // Emit code to define accessors, using only a single call to the runtime for | 1225 // Emit code to define accessors, using only a single call to the runtime for |
| 1227 // each pair of corresponding getters and setters. | 1226 // each pair of corresponding getters and setters. |
| 1228 for (AccessorTable::Iterator it = accessor_table.begin(); | 1227 for (AccessorTable::Iterator it = accessor_table.begin(); |
| 1229 it != accessor_table.end(); | 1228 it != accessor_table.end(); |
| 1230 ++it) { | 1229 ++it) { |
| 1231 PushOperand(Operand(esp, 0)); // Duplicate receiver. | 1230 PushOperand(Operand(esp, 0)); // Duplicate receiver. |
| 1232 VisitForStackValue(it->first); | 1231 VisitForStackValue(it->first); |
| 1233 | 1232 |
| 1234 EmitAccessor(it->second->getter); | 1233 EmitAccessor(it->second->getter); |
| 1235 EmitAccessor(it->second->setter); | 1234 EmitAccessor(it->second->setter); |
| 1236 | 1235 |
| 1237 PushOperand(Smi::FromInt(NONE)); | 1236 PushOperand(Smi::FromInt(NONE)); |
| 1238 CallRuntimeWithOperands(Runtime::kDefineAccessorPropertyUnchecked); | 1237 CallRuntimeWithOperands(Runtime::kDefineAccessorPropertyUnchecked); |
| 1239 PrepareForBailoutForId(it->second->bailout_id, BailoutState::NO_REGISTERS); | 1238 PrepareForBailoutForId(it->second->bailout_id, BailoutState::NO_REGISTERS); |
| 1240 } | 1239 } |
| 1241 | 1240 |
| 1242 // Object literals have two parts. The "static" part on the left contains no | |
| 1243 // computed property names, and so we can compute its map ahead of time; see | |
| 1244 // runtime.cc::CreateObjectLiteralBoilerplate. The second "dynamic" part | |
| 1245 // starts with the first computed property name, and continues with all | |
| 1246 // properties to its right. All the code from above initializes the static | |
| 1247 // component of the object literal, and arranges for the map of the result to | |
| 1248 // reflect the static order in which the keys appear. For the dynamic | |
| 1249 // properties, we compile them into a series of "SetOwnProperty" runtime | |
| 1250 // calls. This will preserve insertion order. | |
| 1251 for (; property_index < expr->properties()->length(); property_index++) { | |
| 1252 ObjectLiteral::Property* property = expr->properties()->at(property_index); | |
| 1253 | |
| 1254 Expression* value = property->value(); | |
| 1255 if (!result_saved) { | |
| 1256 PushOperand(eax); // Save result on the stack | |
| 1257 result_saved = true; | |
| 1258 } | |
| 1259 | |
| 1260 PushOperand(Operand(esp, 0)); // Duplicate receiver. | |
| 1261 | |
| 1262 if (property->kind() == ObjectLiteral::Property::PROTOTYPE) { | |
| 1263 DCHECK(!property->is_computed_name()); | |
| 1264 VisitForStackValue(value); | |
| 1265 DCHECK(property->emit_store()); | |
| 1266 CallRuntimeWithOperands(Runtime::kInternalSetPrototype); | |
| 1267 PrepareForBailoutForId(expr->GetIdForPropertySet(property_index), | |
| 1268 BailoutState::NO_REGISTERS); | |
| 1269 } else { | |
| 1270 EmitPropertyKey(property, expr->GetIdForPropertyName(property_index)); | |
| 1271 VisitForStackValue(value); | |
| 1272 if (NeedsHomeObject(value)) { | |
| 1273 EmitSetHomeObject(value, 2, property->GetSlot()); | |
| 1274 } | |
| 1275 | |
| 1276 switch (property->kind()) { | |
| 1277 case ObjectLiteral::Property::CONSTANT: | |
| 1278 case ObjectLiteral::Property::MATERIALIZED_LITERAL: | |
| 1279 case ObjectLiteral::Property::COMPUTED: | |
| 1280 case ObjectLiteral::Property::PROTOTYPE: | |
| 1281 UNREACHABLE(); | |
| 1282 break; | |
| 1283 | |
| 1284 case ObjectLiteral::Property::GETTER: | |
| 1285 PushOperand(Smi::FromInt(NONE)); | |
| 1286 CallRuntimeWithOperands(Runtime::kDefineGetterPropertyUnchecked); | |
| 1287 break; | |
| 1288 | |
| 1289 case ObjectLiteral::Property::SETTER: | |
| 1290 PushOperand(Smi::FromInt(NONE)); | |
| 1291 CallRuntimeWithOperands(Runtime::kDefineSetterPropertyUnchecked); | |
| 1292 break; | |
| 1293 } | |
| 1294 } | |
| 1295 } | |
| 1296 | |
| 1297 if (result_saved) { | 1241 if (result_saved) { |
| 1298 context()->PlugTOS(); | 1242 context()->PlugTOS(); |
| 1299 } else { | 1243 } else { |
| 1300 context()->Plug(eax); | 1244 context()->Plug(eax); |
| 1301 } | 1245 } |
| 1302 } | 1246 } |
| 1303 | 1247 |
| 1304 | 1248 |
| 1305 void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) { | 1249 void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) { |
| 1306 Comment cmnt(masm_, "[ ArrayLiteral"); | 1250 Comment cmnt(masm_, "[ ArrayLiteral"); |
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| 3043 isolate->builtins()->OnStackReplacement()->entry(), | 2987 isolate->builtins()->OnStackReplacement()->entry(), |
| 3044 Assembler::target_address_at(call_target_address, unoptimized_code)); | 2988 Assembler::target_address_at(call_target_address, unoptimized_code)); |
| 3045 return ON_STACK_REPLACEMENT; | 2989 return ON_STACK_REPLACEMENT; |
| 3046 } | 2990 } |
| 3047 | 2991 |
| 3048 | 2992 |
| 3049 } // namespace internal | 2993 } // namespace internal |
| 3050 } // namespace v8 | 2994 } // namespace v8 |
| 3051 | 2995 |
| 3052 #endif // V8_TARGET_ARCH_X87 | 2996 #endif // V8_TARGET_ARCH_X87 |
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