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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/frames-inl.h" | 9 #include "src/frames-inl.h" |
10 #include "src/messages.h" | 10 #include "src/messages.h" |
11 #include "src/runtime/runtime-utils.h" | 11 #include "src/runtime/runtime-utils.h" |
12 #include "src/scopeinfo.h" | 12 #include "src/scopeinfo.h" |
13 #include "src/scopes.h" | 13 #include "src/scopes.h" |
14 | 14 |
15 namespace v8 { | 15 namespace v8 { |
16 namespace internal { | 16 namespace internal { |
17 | 17 |
18 static Object* ThrowRedeclarationError(Isolate* isolate, Handle<String> name) { | 18 static Object* ThrowRedeclarationError(Isolate* isolate, Handle<String> name) { |
19 HandleScope scope(isolate); | 19 HandleScope scope(isolate); |
| 20 Handle<Object> args[1] = {name}; |
20 THROW_NEW_ERROR_RETURN_FAILURE( | 21 THROW_NEW_ERROR_RETURN_FAILURE( |
21 isolate, NewTypeError(MessageTemplate::kVarRedeclaration, name)); | 22 isolate, NewTypeError("var_redeclaration", HandleVector(args, 1))); |
22 } | 23 } |
23 | 24 |
24 | 25 |
25 RUNTIME_FUNCTION(Runtime_ThrowConstAssignError) { | 26 RUNTIME_FUNCTION(Runtime_ThrowConstAssignError) { |
26 HandleScope scope(isolate); | 27 HandleScope scope(isolate); |
27 THROW_NEW_ERROR_RETURN_FAILURE(isolate, | 28 THROW_NEW_ERROR_RETURN_FAILURE( |
28 NewTypeError(MessageTemplate::kConstAssign)); | 29 isolate, |
| 30 NewTypeError("const_assign", HandleVector<Object>(NULL, 0))); |
29 } | 31 } |
30 | 32 |
31 | 33 |
32 // May throw a RedeclarationError. | 34 // May throw a RedeclarationError. |
33 static Object* DeclareGlobals(Isolate* isolate, Handle<GlobalObject> global, | 35 static Object* DeclareGlobals(Isolate* isolate, Handle<GlobalObject> global, |
34 Handle<String> name, Handle<Object> value, | 36 Handle<String> name, Handle<Object> value, |
35 PropertyAttributes attr, bool is_var, | 37 PropertyAttributes attr, bool is_var, |
36 bool is_const, bool is_function) { | 38 bool is_const, bool is_function) { |
37 Handle<ScriptContextTable> script_contexts( | 39 Handle<ScriptContextTable> script_contexts( |
38 global->native_context()->script_context_table()); | 40 global->native_context()->script_context_table()); |
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996 // In case of JSProxy, an exception might have been thrown. | 998 // In case of JSProxy, an exception might have been thrown. |
997 if (isolate->has_pending_exception()) return isolate->heap()->exception(); | 999 if (isolate->has_pending_exception()) return isolate->heap()->exception(); |
998 | 1000 |
999 // The property was found in a context slot. | 1001 // The property was found in a context slot. |
1000 if (index >= 0) { | 1002 if (index >= 0) { |
1001 if ((attributes & READ_ONLY) == 0) { | 1003 if ((attributes & READ_ONLY) == 0) { |
1002 Handle<Context>::cast(holder)->set(index, *value); | 1004 Handle<Context>::cast(holder)->set(index, *value); |
1003 } else if (is_strict(language_mode)) { | 1005 } else if (is_strict(language_mode)) { |
1004 // Setting read only property in strict mode. | 1006 // Setting read only property in strict mode. |
1005 THROW_NEW_ERROR_RETURN_FAILURE( | 1007 THROW_NEW_ERROR_RETURN_FAILURE( |
1006 isolate, NewTypeError(MessageTemplate::kStrictCannotAssign, name)); | 1008 isolate, |
| 1009 NewTypeError("strict_cannot_assign", HandleVector(&name, 1))); |
1007 } | 1010 } |
1008 return *value; | 1011 return *value; |
1009 } | 1012 } |
1010 | 1013 |
1011 // Slow case: The property is not in a context slot. It is either in a | 1014 // Slow case: The property is not in a context slot. It is either in a |
1012 // context extension object, a property of the subject of a with, or a | 1015 // context extension object, a property of the subject of a with, or a |
1013 // property of the global object. | 1016 // property of the global object. |
1014 Handle<JSReceiver> object; | 1017 Handle<JSReceiver> object; |
1015 if (attributes != ABSENT) { | 1018 if (attributes != ABSENT) { |
1016 // The property exists on the holder. | 1019 // The property exists on the holder. |
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1087 } | 1090 } |
1088 | 1091 |
1089 // Handle special arguments properties. | 1092 // Handle special arguments properties. |
1090 if (String::Equals(isolate->factory()->length_string(), key)) { | 1093 if (String::Equals(isolate->factory()->length_string(), key)) { |
1091 return Smi::FromInt(n); | 1094 return Smi::FromInt(n); |
1092 } | 1095 } |
1093 if (String::Equals(isolate->factory()->callee_string(), key)) { | 1096 if (String::Equals(isolate->factory()->callee_string(), key)) { |
1094 JSFunction* function = frame->function(); | 1097 JSFunction* function = frame->function(); |
1095 if (is_strict(function->shared()->language_mode())) { | 1098 if (is_strict(function->shared()->language_mode())) { |
1096 THROW_NEW_ERROR_RETURN_FAILURE( | 1099 THROW_NEW_ERROR_RETURN_FAILURE( |
1097 isolate, NewTypeError(MessageTemplate::kStrictPoisonPill)); | 1100 isolate, NewTypeError("strict_arguments_callee", |
| 1101 HandleVector<Object>(NULL, 0))); |
1098 } | 1102 } |
1099 return function; | 1103 return function; |
1100 } | 1104 } |
1101 | 1105 |
1102 // Lookup in the initial Object.prototype object. | 1106 // Lookup in the initial Object.prototype object. |
1103 Handle<Object> result; | 1107 Handle<Object> result; |
1104 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( | 1108 ASSIGN_RETURN_FAILURE_ON_EXCEPTION( |
1105 isolate, result, | 1109 isolate, result, |
1106 Object::GetProperty(isolate->initial_object_prototype(), key)); | 1110 Object::GetProperty(isolate->initial_object_prototype(), key)); |
1107 return *result; | 1111 return *result; |
1108 } | 1112 } |
1109 | 1113 |
1110 | 1114 |
1111 RUNTIME_FUNCTION(Runtime_ArgumentsLength) { | 1115 RUNTIME_FUNCTION(Runtime_ArgumentsLength) { |
1112 SealHandleScope shs(isolate); | 1116 SealHandleScope shs(isolate); |
1113 DCHECK(args.length() == 0); | 1117 DCHECK(args.length() == 0); |
1114 JavaScriptFrameIterator it(isolate); | 1118 JavaScriptFrameIterator it(isolate); |
1115 JavaScriptFrame* frame = it.frame(); | 1119 JavaScriptFrame* frame = it.frame(); |
1116 return Smi::FromInt(frame->GetArgumentsLength()); | 1120 return Smi::FromInt(frame->GetArgumentsLength()); |
1117 } | 1121 } |
1118 | 1122 |
1119 | 1123 |
1120 RUNTIME_FUNCTION(Runtime_Arguments) { | 1124 RUNTIME_FUNCTION(Runtime_Arguments) { |
1121 SealHandleScope shs(isolate); | 1125 SealHandleScope shs(isolate); |
1122 return __RT_impl_Runtime_GetArgumentsProperty(args, isolate); | 1126 return __RT_impl_Runtime_GetArgumentsProperty(args, isolate); |
1123 } | 1127 } |
1124 } | 1128 } |
1125 } // namespace v8::internal | 1129 } // namespace v8::internal |
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