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[GR-40485] Espresso Interop improvements.
PullRequest: graal/12504
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...uffle.espresso.polyglot/src/com/oracle/truffle/espresso/polyglot/GuestTypeConversion.java
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| /* | ||
| * Copyright (c) 2022, 2022, Oracle and/or its affiliates. All rights reserved. | ||
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| * | ||
| * The Universal Permissive License (UPL), Version 1.0 | ||
| * | ||
| * Subject to the condition set forth below, permission is hereby granted to any | ||
| * person obtaining a copy of this software, associated documentation and/or | ||
| * data (collectively the "Software"), free of charge and under any and all | ||
| * copyright rights in the Software, and any and all patent rights owned or | ||
| * freely licensable by each licensor hereunder covering either (i) the | ||
| * unmodified Software as contributed to or provided by such licensor, or (ii) | ||
| * the Larger Works (as defined below), to deal in both | ||
| * | ||
| * (a) the Software, and | ||
| * | ||
| * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if | ||
| * one is included with the Software each a "Larger Work" to which the Software | ||
| * is contributed by such licensors), | ||
| * | ||
| * without restriction, including without limitation the rights to copy, create | ||
| * derivative works of, display, perform, and distribute the Software and make, | ||
| * use, sell, offer for sale, import, export, have made, and have sold the | ||
| * Software and the Larger Work(s), and to sublicense the foregoing rights on | ||
| * either these or other terms. | ||
| * | ||
| * This license is subject to the following condition: | ||
| * | ||
| * The above copyright notice and either this complete permission notice or at a | ||
| * minimum a reference to the UPL must be included in all copies or substantial | ||
| * portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
| package com.oracle.truffle.espresso.polyglot; | ||
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| public interface GuestTypeConversion<T> { | ||
| T toGuest(Object polyglotInstance); | ||
| } |
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54 changes: 54 additions & 0 deletions
54
...uffle.espresso/src/com/oracle/truffle/espresso/nodes/interop/LookupTypeConverterNode.java
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| /* | ||
| * Copyright (c) 2022, 2022, Oracle and/or its affiliates. All rights reserved. | ||
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| * | ||
| * This code is free software; you can redistribute it and/or modify it | ||
| * under the terms of the GNU General Public License version 2 only, as | ||
| * published by the Free Software Foundation. | ||
| * | ||
| * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| * version 2 for more details (a copy is included in the LICENSE file that | ||
| * accompanied this code). | ||
| * | ||
| * You should have received a copy of the GNU General Public License version | ||
| * 2 along with this work; if not, write to the Free Software Foundation, | ||
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| * | ||
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| * or visit www.oracle.com if you need additional information or have any | ||
| * questions. | ||
| */ | ||
| package com.oracle.truffle.espresso.nodes.interop; | ||
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|
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| import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary; | ||
| import com.oracle.truffle.api.dsl.Cached; | ||
| import com.oracle.truffle.api.dsl.GenerateUncached; | ||
| import com.oracle.truffle.api.dsl.Specialization; | ||
| import com.oracle.truffle.espresso.nodes.EspressoNode; | ||
|
|
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| @GenerateUncached | ||
| public abstract class LookupTypeConverterNode extends EspressoNode { | ||
| static final int LIMIT = 3; | ||
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| LookupTypeConverterNode() { | ||
| } | ||
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| public abstract PolyglotTypeMappings.TypeConverter execute(String metaName) throws ClassCastException; | ||
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| @SuppressWarnings("unused") | ||
| @Specialization(guards = {"metaName == cachedMetaName"}, limit = "LIMIT") | ||
| PolyglotTypeMappings.TypeConverter doCached(String metaName, | ||
| @Cached("metaName") String cachedMetaName, | ||
| @Cached("doUncached(metaName)") PolyglotTypeMappings.TypeConverter converter) throws ClassCastException { | ||
| assert converter == doUncached(metaName); | ||
| return converter; | ||
| } | ||
|
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| @TruffleBoundary | ||
| @Specialization(replaces = "doCached") | ||
| PolyglotTypeMappings.TypeConverter doUncached(String metaName) throws ClassCastException { | ||
| return getContext().getPolyglotInterfaceMappings().mapTypeConversion(metaName); | ||
| } | ||
| } |
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