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Issue 2634283003: [TypeFeedbackVector] DeclareGlobals needs a literals array (Closed)
Patch Set: Don't exploit the literals array yet. Created 3 years, 11 months ago
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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/runtime/runtime-utils.h" 5 #include "src/runtime/runtime-utils.h"
6 6
7 #include <memory> 7 #include <memory>
8 8
9 #include "src/accessors.h" 9 #include "src/accessors.h"
10 #include "src/arguments.h" 10 #include "src/arguments.h"
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130 } 130 }
131 131
132 Object* DeclareGlobals(Isolate* isolate, Handle<FixedArray> declarations, 132 Object* DeclareGlobals(Isolate* isolate, Handle<FixedArray> declarations,
133 int flags, Handle<TypeFeedbackVector> feedback_vector) { 133 int flags, Handle<TypeFeedbackVector> feedback_vector) {
134 HandleScope scope(isolate); 134 HandleScope scope(isolate);
135 Handle<JSGlobalObject> global(isolate->global_object()); 135 Handle<JSGlobalObject> global(isolate->global_object());
136 Handle<Context> context(isolate->context()); 136 Handle<Context> context(isolate->context());
137 137
138 // Traverse the name/value pairs and set the properties. 138 // Traverse the name/value pairs and set the properties.
139 int length = declarations->length(); 139 int length = declarations->length();
140 FOR_WITH_HANDLE_SCOPE(isolate, int, i = 0, i, i < length, i += 3, { 140 FOR_WITH_HANDLE_SCOPE(isolate, int, i = 0, i, i < length, i += 4, {
141 Handle<String> name(String::cast(declarations->get(i)), isolate); 141 Handle<String> name(String::cast(declarations->get(i)), isolate);
142 FeedbackVectorSlot slot(Smi::cast(declarations->get(i + 1))->value()); 142 FeedbackVectorSlot slot(Smi::cast(declarations->get(i + 1))->value());
143 Handle<Object> initial_value(declarations->get(i + 2), isolate); 143 Handle<Object> initial_value(declarations->get(i + 3), isolate);
144 144
145 bool is_var = initial_value->IsUndefined(isolate); 145 bool is_var = initial_value->IsUndefined(isolate);
146 bool is_function = initial_value->IsSharedFunctionInfo(); 146 bool is_function = initial_value->IsSharedFunctionInfo();
147 DCHECK_EQ(1, BoolToInt(is_var) + BoolToInt(is_function)); 147 DCHECK_EQ(1, BoolToInt(is_var) + BoolToInt(is_function));
148 148
149 Handle<Object> value; 149 Handle<Object> value;
150 if (is_function) { 150 if (is_function) {
151 // Copy the function and update its context. Use it as value. 151 // Copy the function and update its context. Use it as value.
152 Handle<SharedFunctionInfo> shared = 152 Handle<SharedFunctionInfo> shared =
153 Handle<SharedFunctionInfo>::cast(initial_value); 153 Handle<SharedFunctionInfo>::cast(initial_value);
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979 RUNTIME_FUNCTION(Runtime_StoreLookupSlot_Strict) { 979 RUNTIME_FUNCTION(Runtime_StoreLookupSlot_Strict) {
980 HandleScope scope(isolate); 980 HandleScope scope(isolate);
981 DCHECK_EQ(2, args.length()); 981 DCHECK_EQ(2, args.length());
982 CONVERT_ARG_HANDLE_CHECKED(String, name, 0); 982 CONVERT_ARG_HANDLE_CHECKED(String, name, 0);
983 CONVERT_ARG_HANDLE_CHECKED(Object, value, 1); 983 CONVERT_ARG_HANDLE_CHECKED(Object, value, 1);
984 RETURN_RESULT_OR_FAILURE(isolate, StoreLookupSlot(name, value, STRICT)); 984 RETURN_RESULT_OR_FAILURE(isolate, StoreLookupSlot(name, value, STRICT));
985 } 985 }
986 986
987 } // namespace internal 987 } // namespace internal
988 } // namespace v8 988 } // namespace v8
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