60 lines
2.1 KiB
Kotlin
60 lines
2.1 KiB
Kotlin
/*
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* Copyright 2026 Sergey S. Chernov real.sergeych@gmail.com
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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import kotlinx.coroutines.test.runTest
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import net.sergeych.lyng.FrameSlotRef
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import net.sergeych.lyng.Pos
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import net.sergeych.lyng.Scope
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import net.sergeych.lyng.bytecode.*
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import kotlin.test.Test
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import kotlin.test.assertNull
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class SeedLocalsRegressionTest {
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@Test
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fun seedFrameLocalsSkipsSelfReferentialFrameSlotRef() = runTest {
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val fn = CmdFunction(
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name = "seed-self-ref",
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localCount = 1,
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addrCount = 0,
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returnLabels = emptySet(),
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scopeSlotCount = 1,
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scopeSlotIndices = intArrayOf(0),
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scopeSlotNames = arrayOf(null),
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scopeSlotIsModule = booleanArrayOf(false),
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scopeSlotRequiresPreparedBinding = booleanArrayOf(false),
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scopeSlotRefPos = arrayOfNulls(1),
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localSlotNames = arrayOf("x"),
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localSlotMutables = booleanArrayOf(true),
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localSlotDelegated = booleanArrayOf(false),
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localSlotCaptures = booleanArrayOf(false),
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constants = listOf(BytecodeConst.IntVal(0)),
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cmds = emptyArray(),
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posByIp = emptyArray()
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)
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val scope = Scope(null, pos = Pos.builtIn)
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val record = scope.addConst("x", net.sergeych.lyng.obj.ObjInt.of(1))
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val frame = CmdFrame(CmdVm(), fn, scope, emptyList())
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record.value = FrameSlotRef(frame.frame, 0)
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scope.updateSlotFor("x", record)
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seedFrameLocalsFromScope(frame, scope)
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assertNull(frame.frame.getRawObj(0))
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}
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}
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