OLD | NEW |
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_ARM | 5 #if V8_TARGET_ARCH_ARM |
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" |
(...skipping 1207 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1218 __ CallStub(&stub); | 1218 __ CallStub(&stub); |
1219 RestoreContext(); | 1219 RestoreContext(); |
1220 } | 1220 } |
1221 PrepareForBailoutForId(expr->CreateLiteralId(), BailoutState::TOS_REGISTER); | 1221 PrepareForBailoutForId(expr->CreateLiteralId(), BailoutState::TOS_REGISTER); |
1222 | 1222 |
1223 // If result_saved is true the result is on top of the stack. If | 1223 // If result_saved is true the result is on top of the stack. If |
1224 // result_saved is false the result is in r0. | 1224 // result_saved is false the result is in r0. |
1225 bool result_saved = false; | 1225 bool result_saved = false; |
1226 | 1226 |
1227 AccessorTable accessor_table(zone()); | 1227 AccessorTable accessor_table(zone()); |
1228 int property_index = 0; | 1228 for (int i = 0; i < expr->properties()->length(); i++) { |
1229 for (; property_index < expr->properties()->length(); property_index++) { | 1229 ObjectLiteral::Property* property = expr->properties()->at(i); |
1230 ObjectLiteral::Property* property = expr->properties()->at(property_index); | 1230 DCHECK(!property->is_computed_name()); |
1231 if (property->is_computed_name()) break; | |
1232 if (property->IsCompileTimeValue()) continue; | 1231 if (property->IsCompileTimeValue()) continue; |
1233 | 1232 |
1234 Literal* key = property->key()->AsLiteral(); | 1233 Literal* key = property->key()->AsLiteral(); |
1235 Expression* value = property->value(); | 1234 Expression* value = property->value(); |
1236 if (!result_saved) { | 1235 if (!result_saved) { |
1237 PushOperand(r0); // Save result on stack | 1236 PushOperand(r0); // Save result on stack |
1238 result_saved = true; | 1237 result_saved = true; |
1239 } | 1238 } |
1240 switch (property->kind()) { | 1239 switch (property->kind()) { |
1241 case ObjectLiteral::Property::CONSTANT: | 1240 case ObjectLiteral::Property::CONSTANT: |
(...skipping 37 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1279 DropOperands(3); | 1278 DropOperands(3); |
1280 } | 1279 } |
1281 break; | 1280 break; |
1282 case ObjectLiteral::Property::PROTOTYPE: | 1281 case ObjectLiteral::Property::PROTOTYPE: |
1283 // Duplicate receiver on stack. | 1282 // Duplicate receiver on stack. |
1284 __ ldr(r0, MemOperand(sp)); | 1283 __ ldr(r0, MemOperand(sp)); |
1285 PushOperand(r0); | 1284 PushOperand(r0); |
1286 VisitForStackValue(value); | 1285 VisitForStackValue(value); |
1287 DCHECK(property->emit_store()); | 1286 DCHECK(property->emit_store()); |
1288 CallRuntimeWithOperands(Runtime::kInternalSetPrototype); | 1287 CallRuntimeWithOperands(Runtime::kInternalSetPrototype); |
1289 PrepareForBailoutForId(expr->GetIdForPropertySet(property_index), | 1288 PrepareForBailoutForId(expr->GetIdForPropertySet(i), |
1290 BailoutState::NO_REGISTERS); | 1289 BailoutState::NO_REGISTERS); |
1291 break; | 1290 break; |
1292 | 1291 |
1293 case ObjectLiteral::Property::GETTER: | 1292 case ObjectLiteral::Property::GETTER: |
1294 if (property->emit_store()) { | 1293 if (property->emit_store()) { |
1295 AccessorTable::Iterator it = accessor_table.lookup(key); | 1294 AccessorTable::Iterator it = accessor_table.lookup(key); |
1296 it->second->bailout_id = expr->GetIdForPropertySet(property_index); | 1295 it->second->bailout_id = expr->GetIdForPropertySet(i); |
1297 it->second->getter = property; | 1296 it->second->getter = property; |
1298 } | 1297 } |
1299 break; | 1298 break; |
1300 case ObjectLiteral::Property::SETTER: | 1299 case ObjectLiteral::Property::SETTER: |
1301 if (property->emit_store()) { | 1300 if (property->emit_store()) { |
1302 AccessorTable::Iterator it = accessor_table.lookup(key); | 1301 AccessorTable::Iterator it = accessor_table.lookup(key); |
1303 it->second->bailout_id = expr->GetIdForPropertySet(property_index); | 1302 it->second->bailout_id = expr->GetIdForPropertySet(i); |
1304 it->second->setter = property; | 1303 it->second->setter = property; |
1305 } | 1304 } |
1306 break; | 1305 break; |
1307 } | 1306 } |
1308 } | 1307 } |
1309 | 1308 |
1310 // Emit code to define accessors, using only a single call to the runtime for | 1309 // Emit code to define accessors, using only a single call to the runtime for |
1311 // each pair of corresponding getters and setters. | 1310 // each pair of corresponding getters and setters. |
1312 for (AccessorTable::Iterator it = accessor_table.begin(); | 1311 for (AccessorTable::Iterator it = accessor_table.begin(); |
1313 it != accessor_table.end(); | 1312 it != accessor_table.end(); |
1314 ++it) { | 1313 ++it) { |
1315 __ ldr(r0, MemOperand(sp)); // Duplicate receiver. | 1314 __ ldr(r0, MemOperand(sp)); // Duplicate receiver. |
1316 PushOperand(r0); | 1315 PushOperand(r0); |
1317 VisitForStackValue(it->first); | 1316 VisitForStackValue(it->first); |
1318 EmitAccessor(it->second->getter); | 1317 EmitAccessor(it->second->getter); |
1319 EmitAccessor(it->second->setter); | 1318 EmitAccessor(it->second->setter); |
1320 __ mov(r0, Operand(Smi::FromInt(NONE))); | 1319 __ mov(r0, Operand(Smi::FromInt(NONE))); |
1321 PushOperand(r0); | 1320 PushOperand(r0); |
1322 CallRuntimeWithOperands(Runtime::kDefineAccessorPropertyUnchecked); | 1321 CallRuntimeWithOperands(Runtime::kDefineAccessorPropertyUnchecked); |
1323 PrepareForBailoutForId(it->second->bailout_id, BailoutState::NO_REGISTERS); | 1322 PrepareForBailoutForId(it->second->bailout_id, BailoutState::NO_REGISTERS); |
1324 } | 1323 } |
1325 | 1324 |
1326 // Object literals have two parts. The "static" part on the left contains no | |
1327 // computed property names, and so we can compute its map ahead of time; see | |
1328 // runtime.cc::CreateObjectLiteralBoilerplate. The second "dynamic" part | |
1329 // starts with the first computed property name, and continues with all | |
1330 // properties to its right. All the code from above initializes the static | |
1331 // component of the object literal, and arranges for the map of the result to | |
1332 // reflect the static order in which the keys appear. For the dynamic | |
1333 // properties, we compile them into a series of "SetOwnProperty" runtime | |
1334 // calls. This will preserve insertion order. | |
1335 for (; property_index < expr->properties()->length(); property_index++) { | |
1336 ObjectLiteral::Property* property = expr->properties()->at(property_index); | |
1337 | |
1338 Expression* value = property->value(); | |
1339 if (!result_saved) { | |
1340 PushOperand(r0); // Save result on the stack | |
1341 result_saved = true; | |
1342 } | |
1343 | |
1344 __ ldr(r0, MemOperand(sp)); // Duplicate receiver. | |
1345 PushOperand(r0); | |
1346 | |
1347 if (property->kind() == ObjectLiteral::Property::PROTOTYPE) { | |
1348 DCHECK(!property->is_computed_name()); | |
1349 VisitForStackValue(value); | |
1350 DCHECK(property->emit_store()); | |
1351 CallRuntimeWithOperands(Runtime::kInternalSetPrototype); | |
1352 PrepareForBailoutForId(expr->GetIdForPropertySet(property_index), | |
1353 BailoutState::NO_REGISTERS); | |
1354 } else { | |
1355 EmitPropertyKey(property, expr->GetIdForPropertyName(property_index)); | |
1356 VisitForStackValue(value); | |
1357 if (NeedsHomeObject(value)) { | |
1358 EmitSetHomeObject(value, 2, property->GetSlot()); | |
1359 } | |
1360 | |
1361 switch (property->kind()) { | |
1362 case ObjectLiteral::Property::CONSTANT: | |
1363 case ObjectLiteral::Property::MATERIALIZED_LITERAL: | |
1364 case ObjectLiteral::Property::COMPUTED: | |
1365 case ObjectLiteral::Property::PROTOTYPE: | |
1366 UNREACHABLE(); | |
1367 break; | |
1368 | |
1369 case ObjectLiteral::Property::GETTER: | |
1370 PushOperand(Smi::FromInt(NONE)); | |
1371 CallRuntimeWithOperands(Runtime::kDefineGetterPropertyUnchecked); | |
1372 break; | |
1373 | |
1374 case ObjectLiteral::Property::SETTER: | |
1375 PushOperand(Smi::FromInt(NONE)); | |
1376 CallRuntimeWithOperands(Runtime::kDefineSetterPropertyUnchecked); | |
1377 break; | |
1378 } | |
1379 } | |
1380 } | |
1381 | |
1382 if (result_saved) { | 1325 if (result_saved) { |
1383 context()->PlugTOS(); | 1326 context()->PlugTOS(); |
1384 } else { | 1327 } else { |
1385 context()->Plug(r0); | 1328 context()->Plug(r0); |
1386 } | 1329 } |
1387 } | 1330 } |
1388 | 1331 |
1389 | 1332 |
1390 void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) { | 1333 void FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) { |
1391 Comment cmnt(masm_, "[ ArrayLiteral"); | 1334 Comment cmnt(masm_, "[ ArrayLiteral"); |
(...skipping 1808 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
3200 DCHECK(interrupt_address == | 3143 DCHECK(interrupt_address == |
3201 isolate->builtins()->OnStackReplacement()->entry()); | 3144 isolate->builtins()->OnStackReplacement()->entry()); |
3202 return ON_STACK_REPLACEMENT; | 3145 return ON_STACK_REPLACEMENT; |
3203 } | 3146 } |
3204 | 3147 |
3205 | 3148 |
3206 } // namespace internal | 3149 } // namespace internal |
3207 } // namespace v8 | 3150 } // namespace v8 |
3208 | 3151 |
3209 #endif // V8_TARGET_ARCH_ARM | 3152 #endif // V8_TARGET_ARCH_ARM |
OLD | NEW |