Source/JavaScriptCore/runtime/IntlPartObject.cpp

/*
 * Copyright (C) 2026 Anthropic PBC.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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#include "config.h"
#include "IntlPartObject.h"

#include "JSCInlines.h"

namespace JSC {

Structure* createIntlPartObjectStructure(VM& vm, JSGlobalObject& globalObject)
{
    constexpr unsigned inlineCapacity = 2;
    Structure* structure = globalObject.structureCache().emptyObjectStructureForPrototype(&globalObject, globalObject.objectPrototype(), inlineCapacity);
    PropertyOffset offset;
    structure = Structure::addPropertyTransition(vm, structure, vm.propertyNames->type, 0, offset);
    RELEASE_ASSERT(offset == intlPartObjectTypePropertyOffset);
    structure = Structure::addPropertyTransition(vm, structure, vm.propertyNames->value, 0, offset);
    RELEASE_ASSERT(offset == intlPartObjectValuePropertyOffset);
    return structure;
}

Structure* createIntlPartObjectWithSourceStructure(VM& vm, JSGlobalObject& globalObject)
{
    constexpr unsigned inlineCapacity = 3;
    Structure* structure = globalObject.structureCache().emptyObjectStructureForPrototype(&globalObject, globalObject.objectPrototype(), inlineCapacity);
    PropertyOffset offset;
    structure = Structure::addPropertyTransition(vm, structure, vm.propertyNames->type, 0, offset);
    RELEASE_ASSERT(offset == intlPartObjectTypePropertyOffset);
    structure = Structure::addPropertyTransition(vm, structure, vm.propertyNames->value, 0, offset);
    RELEASE_ASSERT(offset == intlPartObjectValuePropertyOffset);
    structure = Structure::addPropertyTransition(vm, structure, vm.propertyNames->source, 0, offset);
    RELEASE_ASSERT(offset == intlPartObjectWithSourceSourcePropertyOffset);
    return structure;
}

Structure* createIntlPartObjectWithUnitStructure(VM& vm, JSGlobalObject& globalObject)
{
    constexpr unsigned inlineCapacity = 3;
    Structure* structure = globalObject.structureCache().emptyObjectStructureForPrototype(&globalObject, globalObject.objectPrototype(), inlineCapacity);
    PropertyOffset offset;
    structure = Structure::addPropertyTransition(vm, structure, vm.propertyNames->type, 0, offset);
    RELEASE_ASSERT(offset == intlPartObjectTypePropertyOffset);
    structure = Structure::addPropertyTransition(vm, structure, vm.propertyNames->value, 0, offset);
    RELEASE_ASSERT(offset == intlPartObjectValuePropertyOffset);
    structure = Structure::addPropertyTransition(vm, structure, Identifier::fromString(vm, "unit"_s), 0, offset);
    RELEASE_ASSERT(offset == intlPartObjectWithUnitUnitPropertyOffset);
    return structure;
}

Structure* createIntlPartObjectWithUnitAndSourceStructure(VM& vm, JSGlobalObject& globalObject)
{
    constexpr unsigned inlineCapacity = 4;
    Structure* structure = globalObject.structureCache().emptyObjectStructureForPrototype(&globalObject, globalObject.objectPrototype(), inlineCapacity);
    PropertyOffset offset;
    structure = Structure::addPropertyTransition(vm, structure, vm.propertyNames->type, 0, offset);
    RELEASE_ASSERT(offset == intlPartObjectTypePropertyOffset);
    structure = Structure::addPropertyTransition(vm, structure, vm.propertyNames->value, 0, offset);
    RELEASE_ASSERT(offset == intlPartObjectValuePropertyOffset);
    structure = Structure::addPropertyTransition(vm, structure, Identifier::fromString(vm, "unit"_s), 0, offset);
    RELEASE_ASSERT(offset == intlPartObjectWithUnitAndSourceUnitPropertyOffset);
    structure = Structure::addPropertyTransition(vm, structure, vm.propertyNames->source, 0, offset);
    RELEASE_ASSERT(offset == intlPartObjectWithUnitAndSourceSourcePropertyOffset);
    return structure;
}

} // namespace JSC