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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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284 void TransferNamedProperties(Handle<JSObject> from, Handle<JSObject> to); | 284 void TransferNamedProperties(Handle<JSObject> from, Handle<JSObject> to); |
285 void TransferIndexedProperties(Handle<JSObject> from, Handle<JSObject> to); | 285 void TransferIndexedProperties(Handle<JSObject> from, Handle<JSObject> to); |
286 | 286 |
287 Handle<DescriptorArray> ComputeFunctionInstanceDescriptor( | 287 Handle<DescriptorArray> ComputeFunctionInstanceDescriptor( |
288 bool make_prototype_read_only, | 288 bool make_prototype_read_only, |
289 bool make_prototype_enumerable = false); | 289 bool make_prototype_enumerable = false); |
290 void MakeFunctionInstancePrototypeWritable(); | 290 void MakeFunctionInstancePrototypeWritable(); |
291 | 291 |
292 void AddSpecialFunction(Handle<JSObject> prototype, | 292 void AddSpecialFunction(Handle<JSObject> prototype, |
293 const char* name, | 293 const char* name, |
294 Handle<Code> code, | 294 Handle<Code> code); |
295 int parameter_count); | |
296 | 295 |
297 void BuildSpecialFunctionTable(); | 296 void BuildSpecialFunctionTable(); |
298 | 297 |
299 static bool CompileBuiltin(int index); | 298 static bool CompileBuiltin(int index); |
300 static bool CompileNative(Vector<const char> name, Handle<String> source); | 299 static bool CompileNative(Vector<const char> name, Handle<String> source); |
301 static bool CompileScriptCached(Vector<const char> name, | 300 static bool CompileScriptCached(Vector<const char> name, |
302 Handle<String> source, | 301 Handle<String> source, |
303 SourceCodeCache* cache, | 302 SourceCodeCache* cache, |
304 v8::Extension* extension, | 303 v8::Extension* extension, |
305 bool use_runtime_context); | 304 bool use_runtime_context); |
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1259 Handle<DescriptorArray> function_map_descriptors = | 1258 Handle<DescriptorArray> function_map_descriptors = |
1260 ComputeFunctionInstanceDescriptor(false, true); | 1259 ComputeFunctionInstanceDescriptor(false, true); |
1261 Handle<Map> fm = Factory::CopyMap(Top::function_map()); | 1260 Handle<Map> fm = Factory::CopyMap(Top::function_map()); |
1262 fm->set_instance_descriptors(*function_map_descriptors); | 1261 fm->set_instance_descriptors(*function_map_descriptors); |
1263 Top::context()->global_context()->set_function_map(*fm); | 1262 Top::context()->global_context()->set_function_map(*fm); |
1264 } | 1263 } |
1265 | 1264 |
1266 | 1265 |
1267 void Genesis::AddSpecialFunction(Handle<JSObject> prototype, | 1266 void Genesis::AddSpecialFunction(Handle<JSObject> prototype, |
1268 const char* name, | 1267 const char* name, |
1269 Handle<Code> code, | 1268 Handle<Code> code) { |
1270 int parameter_count) { | |
1271 Handle<String> key = Factory::LookupAsciiSymbol(name); | 1269 Handle<String> key = Factory::LookupAsciiSymbol(name); |
1272 Handle<Object> value = Handle<Object>(prototype->GetProperty(*key)); | 1270 Handle<Object> value = Handle<Object>(prototype->GetProperty(*key)); |
1273 if (value->IsJSFunction()) { | 1271 if (value->IsJSFunction()) { |
1274 Handle<JSFunction> optimized = Factory::NewFunction(key, | 1272 Handle<JSFunction> optimized = Factory::NewFunction(key, |
1275 JS_OBJECT_TYPE, | 1273 JS_OBJECT_TYPE, |
1276 JSObject::kHeaderSize, | 1274 JSObject::kHeaderSize, |
1277 code, | 1275 code, |
1278 false); | 1276 false); |
1279 optimized->shared()->set_formal_parameter_count(parameter_count); | 1277 optimized->shared()->DontAdaptArguments(); |
1280 int len = global_context()->special_function_table()->length(); | 1278 int len = global_context()->special_function_table()->length(); |
1281 Handle<FixedArray> new_array = Factory::NewFixedArray(len + 3); | 1279 Handle<FixedArray> new_array = Factory::NewFixedArray(len + 3); |
1282 for (int index = 0; index < len; index++) { | 1280 for (int index = 0; index < len; index++) { |
1283 new_array->set(index, | 1281 new_array->set(index, |
1284 global_context()->special_function_table()->get(index)); | 1282 global_context()->special_function_table()->get(index)); |
1285 } | 1283 } |
1286 new_array->set(len+0, *prototype); | 1284 new_array->set(len+0, *prototype); |
1287 new_array->set(len+1, *value); | 1285 new_array->set(len+1, *value); |
1288 new_array->set(len+2, *optimized); | 1286 new_array->set(len+2, *optimized); |
1289 global_context()->set_special_function_table(*new_array); | 1287 global_context()->set_special_function_table(*new_array); |
1290 } | 1288 } |
1291 } | 1289 } |
1292 | 1290 |
1293 | 1291 |
1294 void Genesis::BuildSpecialFunctionTable() { | 1292 void Genesis::BuildSpecialFunctionTable() { |
1295 HandleScope scope; | 1293 HandleScope scope; |
1296 Handle<JSObject> global = Handle<JSObject>(global_context()->global()); | 1294 Handle<JSObject> global = Handle<JSObject>(global_context()->global()); |
1297 // Add special versions for Array.prototype.pop and push. | 1295 // Add special versions for Array.prototype.pop and push. |
1298 Handle<JSFunction> function = | 1296 Handle<JSFunction> function = |
1299 Handle<JSFunction>( | 1297 Handle<JSFunction>( |
1300 JSFunction::cast(global->GetProperty(Heap::Array_symbol()))); | 1298 JSFunction::cast(global->GetProperty(Heap::Array_symbol()))); |
1301 Handle<JSObject> prototype = | 1299 Handle<JSObject> prototype = |
1302 Handle<JSObject>(JSObject::cast(function->prototype())); | 1300 Handle<JSObject>(JSObject::cast(function->prototype())); |
1303 AddSpecialFunction(prototype, "pop", | 1301 AddSpecialFunction(prototype, "pop", |
1304 Handle<Code>(Builtins::builtin(Builtins::ArrayPop)), | 1302 Handle<Code>(Builtins::builtin(Builtins::ArrayPop))); |
1305 0); | |
1306 AddSpecialFunction(prototype, "push", | 1303 AddSpecialFunction(prototype, "push", |
1307 Handle<Code>(Builtins::builtin(Builtins::ArrayPush)), | 1304 Handle<Code>(Builtins::builtin(Builtins::ArrayPush))); |
1308 1); | |
1309 } | 1305 } |
1310 | 1306 |
1311 | 1307 |
1312 Genesis::Genesis(Handle<Object> global_object, | 1308 Genesis::Genesis(Handle<Object> global_object, |
1313 v8::Handle<v8::ObjectTemplate> global_template, | 1309 v8::Handle<v8::ObjectTemplate> global_template, |
1314 v8::ExtensionConfiguration* extensions) { | 1310 v8::ExtensionConfiguration* extensions) { |
1315 // Link this genesis object into the stacked genesis chain. This | 1311 // Link this genesis object into the stacked genesis chain. This |
1316 // must be done before any early exits because the deconstructor | 1312 // must be done before any early exits because the deconstructor |
1317 // will always do unlinking. | 1313 // will always do unlinking. |
1318 previous_ = current_; | 1314 previous_ = current_; |
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1335 if (!ConfigureGlobalObject(global_template)) return; | 1331 if (!ConfigureGlobalObject(global_template)) return; |
1336 | 1332 |
1337 if (!InstallExtensions(extensions)) return; | 1333 if (!InstallExtensions(extensions)) return; |
1338 | 1334 |
1339 if (!InstallSpecialObjects()) return; | 1335 if (!InstallSpecialObjects()) return; |
1340 | 1336 |
1341 result_ = global_context_; | 1337 result_ = global_context_; |
1342 } | 1338 } |
1343 | 1339 |
1344 } } // namespace v8::internal | 1340 } } // namespace v8::internal |
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