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| 1 | +/* |
| 2 | + * Copyright (c) 2025, 2025, Oracle and/or its affiliates. All rights reserved. |
| 3 | + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | + * |
| 5 | + * The Universal Permissive License (UPL), Version 1.0 |
| 6 | + * |
| 7 | + * Subject to the condition set forth below, permission is hereby granted to any |
| 8 | + * person obtaining a copy of this software, associated documentation and/or |
| 9 | + * data (collectively the "Software"), free of charge and under any and all |
| 10 | + * copyright rights in the Software, and any and all patent rights owned or |
| 11 | + * freely licensable by each licensor hereunder covering either (i) the |
| 12 | + * unmodified Software as contributed to or provided by such licensor, or (ii) |
| 13 | + * the Larger Works (as defined below), to deal in both |
| 14 | + * |
| 15 | + * (a) the Software, and |
| 16 | + * |
| 17 | + * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if |
| 18 | + * one is included with the Software each a "Larger Work" to which the Software |
| 19 | + * is contributed by such licensors), |
| 20 | + * |
| 21 | + * without restriction, including without limitation the rights to copy, create |
| 22 | + * derivative works of, display, perform, and distribute the Software and make, |
| 23 | + * use, sell, offer for sale, import, export, have made, and have sold the |
| 24 | + * Software and the Larger Work(s), and to sublicense the foregoing rights on |
| 25 | + * either these or other terms. |
| 26 | + * |
| 27 | + * This license is subject to the following condition: |
| 28 | + * |
| 29 | + * The above copyright notice and either this complete permission notice or at a |
| 30 | + * minimum a reference to the UPL must be included in all copies or substantial |
| 31 | + * portions of the Software. |
| 32 | + * |
| 33 | + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 34 | + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 35 | + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 36 | + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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| 38 | + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 39 | + * SOFTWARE. |
| 40 | + */ |
| 41 | +package com.oracle.truffle.js.test.tools; |
| 42 | + |
| 43 | +import static org.junit.Assert.assertEquals; |
| 44 | + |
| 45 | +import org.graalvm.polyglot.Context; |
| 46 | +import org.graalvm.polyglot.Value; |
| 47 | +import org.junit.Test; |
| 48 | + |
| 49 | +import com.oracle.truffle.api.frame.VirtualFrame; |
| 50 | +import com.oracle.truffle.api.instrumentation.EventContext; |
| 51 | +import com.oracle.truffle.api.instrumentation.ExecutionEventNode; |
| 52 | +import com.oracle.truffle.api.instrumentation.ExecutionEventNodeFactory; |
| 53 | +import com.oracle.truffle.api.instrumentation.SourceSectionFilter; |
| 54 | +import com.oracle.truffle.api.instrumentation.StandardTags; |
| 55 | +import com.oracle.truffle.api.instrumentation.TruffleInstrument; |
| 56 | +import com.oracle.truffle.api.interop.InteropException; |
| 57 | +import com.oracle.truffle.api.interop.InteropLibrary; |
| 58 | +import com.oracle.truffle.api.interop.NodeLibrary; |
| 59 | +import com.oracle.truffle.js.test.JSTest; |
| 60 | + |
| 61 | +public class GR71433 { |
| 62 | + private static final String INJECT_SHORT_INSTRUMENT_NAME = "InjectShortInstrument"; |
| 63 | + |
| 64 | + @TruffleInstrument.Registration(id = INJECT_SHORT_INSTRUMENT_NAME, services = InjectShortInstrument.class) |
| 65 | + static class InjectShortInstrument extends TruffleInstrument { |
| 66 | + |
| 67 | + @Override |
| 68 | + protected void onCreate(Env env) { |
| 69 | + env.registerService(this); |
| 70 | + |
| 71 | + ExecutionEventNodeFactory eenf = new ExecutionEventNodeFactory() { |
| 72 | + @Override |
| 73 | + public ExecutionEventNode create(final EventContext eventContext) { |
| 74 | + return new ExecutionEventNode() { |
| 75 | + @Override |
| 76 | + protected void onEnter(final VirtualFrame frame) { |
| 77 | + try { |
| 78 | + Object scope = NodeLibrary.getUncached().getScope(eventContext.getInstrumentedNode(), frame, false); |
| 79 | + InteropLibrary interop = InteropLibrary.getUncached(scope); |
| 80 | + if (interop.isMemberWritable(scope, "scopeWrite")) { |
| 81 | + interop.writeMember(scope, "scopeWrite", (short) 42); |
| 82 | + } else if (interop.isMemberWritable(scope, "unwind")) { |
| 83 | + throw eventContext.createUnwind(null); |
| 84 | + } |
| 85 | + } catch (InteropException iex) { |
| 86 | + throw new RuntimeException(iex); |
| 87 | + } |
| 88 | + } |
| 89 | + |
| 90 | + @Override |
| 91 | + protected Object onUnwind(final VirtualFrame frame, final Object info) { |
| 92 | + return (short) 211; |
| 93 | + } |
| 94 | + |
| 95 | + }; |
| 96 | + } |
| 97 | + }; |
| 98 | + SourceSectionFilter filter = SourceSectionFilter.newBuilder().tagIs(StandardTags.StatementTag.class).build(); |
| 99 | + env.getInstrumenter().attachExecutionEventFactory(filter, eenf); |
| 100 | + } |
| 101 | + |
| 102 | + } |
| 103 | + |
| 104 | + @Test |
| 105 | + public void testShortInScopeWrite() { |
| 106 | + try (Context context = JSTest.newContextBuilder().build()) { |
| 107 | + context.getEngine().getInstruments().get(INJECT_SHORT_INSTRUMENT_NAME).lookup(InjectShortInstrument.class); |
| 108 | + Value result = context.eval("js", "(() => { var scopeWrite; return scopeWrite; })()"); |
| 109 | + assertEquals(42, result.asInt()); |
| 110 | + } |
| 111 | + } |
| 112 | + |
| 113 | + @Test |
| 114 | + public void testShortInUnwind() { |
| 115 | + try (Context context = JSTest.newContextBuilder().build()) { |
| 116 | + context.getEngine().getInstruments().get(INJECT_SHORT_INSTRUMENT_NAME).lookup(InjectShortInstrument.class); |
| 117 | + Value result = context.eval("js", "(() => { var unwind; return unwind; })()"); |
| 118 | + assertEquals(211, result.asInt()); |
| 119 | + } |
| 120 | + } |
| 121 | + |
| 122 | +} |
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