mirror of
https://github.com/Samsung/escargot.git
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90 lines
4.1 KiB
C++
90 lines
4.1 KiB
C++
/*
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* Copyright (c) 2019-present Samsung Electronics Co., Ltd
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*/
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#include "Escargot.h"
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#include "NativeFunctionObject.h"
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#include "FunctionObjectInlines.h"
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namespace Escargot {
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NativeFunctionObject::NativeFunctionObject(ExecutionState& state, const NativeFunctionInfo& info)
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: FunctionObject(state, state.context()->globalObject()->functionPrototype(), info.m_isConstructor ? (ESCARGOT_OBJECT_BUILTIN_PROPERTY_NUMBER + 3) : (ESCARGOT_OBJECT_BUILTIN_PROPERTY_NUMBER + 2))
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{
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m_codeBlock = new NativeCodeBlock(state.context(), info);
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initStructureAndValues(state, info.m_isConstructor, false);
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}
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NativeFunctionObject::NativeFunctionObject(ExecutionState& state, const NativeFunctionInfo& info, ForGlobalBuiltin)
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: FunctionObject(state, state.context()->globalObject()->objectPrototype(), ESCARGOT_OBJECT_BUILTIN_PROPERTY_NUMBER + 2)
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{
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m_codeBlock = new NativeCodeBlock(state.context(), info);
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initStructureAndValues(state, info.m_isConstructor, false);
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ASSERT(!NativeFunctionObject::isConstructor());
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}
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NativeFunctionObject::NativeFunctionObject(ExecutionState& state, const NativeFunctionInfo& info, ForBuiltinConstructor)
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: FunctionObject(state, state.context()->globalObject()->functionPrototype(), info.m_isConstructor ? (ESCARGOT_OBJECT_BUILTIN_PROPERTY_NUMBER + 3) : (ESCARGOT_OBJECT_BUILTIN_PROPERTY_NUMBER + 2))
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{
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m_codeBlock = new NativeCodeBlock(state.context(), info);
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initStructureAndValues(state, info.m_isConstructor, false);
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if (info.m_isConstructor) {
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m_structure = state.context()->defaultStructureForBuiltinFunctionObject();
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}
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}
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NativeFunctionObject::NativeFunctionObject(ExecutionState& state, const NativeFunctionInfo& info, ForBuiltinProxyConstructor)
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: FunctionObject(state, state.context()->globalObject()->functionPrototype(), ESCARGOT_OBJECT_BUILTIN_PROPERTY_NUMBER + 2)
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{
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m_codeBlock = new NativeCodeBlock(state.context(), info);
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// The Proxy constructor does not have a prototype property
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m_structure = state.context()->defaultStructureForNotConstructorFunctionObject();
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m_values[ESCARGOT_OBJECT_BUILTIN_PROPERTY_NUMBER + 0] = (Value(m_codeBlock->functionLength()));
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m_values[ESCARGOT_OBJECT_BUILTIN_PROPERTY_NUMBER + 1] = (Value(m_codeBlock->functionName().string()));
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ASSERT(NativeFunctionObject::isConstructor());
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}
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NativeFunctionObject::NativeFunctionObject(Context* context, ObjectStructure* structure, ObjectPropertyValueVector&& values, const NativeFunctionInfo& info)
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: FunctionObject(structure, std::move(values), context->globalObject()->functionPrototype())
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{
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m_codeBlock = new NativeCodeBlock(context, info);
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}
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bool NativeFunctionObject::isConstructor() const
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{
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return nativeCodeBlock()->isNativeConstructor();
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}
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Value NativeFunctionObject::call(ExecutionState& state, const Value& thisValue, const size_t argc, Value* argv)
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{
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ASSERT(codeBlock()->isNativeCodeBlock());
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return processNativeFunctionCall<false>(state, thisValue, argc, argv, nullptr);
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}
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Value NativeFunctionObject::construct(ExecutionState& state, const size_t argc, Value* argv, Object* newTarget)
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{
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// Assert: Type(newTarget) is Object.
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ASSERT(newTarget->isObject());
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ASSERT(newTarget->isConstructor());
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ASSERT(codeBlock()->isNativeCodeBlock());
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return processNativeFunctionCall<true>(state, Value(), argc, argv, newTarget);
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}
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} // namespace Escargot
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