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optimize VM

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This commit is contained in:
Sergey Chernov 2026-04-04 10:35:08 +03:00
parent d8454a11fc
commit 90718c3c17
8 changed files with 200 additions and 57 deletions
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4
lynglib/src/androidMain/kotlin/net/sergeych/lyng/bytecode/VmIterDebugAndroid.kt
View File

@ -17,6 +17,8 @@
package net.sergeych.lyng.bytecode
internal actual fun vmIterDebug(message: String, error: Throwable?) {
internal actual val vmIterDebugEnabled: Boolean = false
internal actual fun vmIterDebugWrite(message: String, error: Throwable?) {
// no-op on Android
}

173
lynglib/src/commonMain/kotlin/net/sergeych/lyng/bytecode/CmdRuntime.kt
View File

@ -34,28 +34,24 @@ class CmdVm {
frame.applyCaptureRecords()
binder?.invoke(frame, args)
val cmds = fn.cmds
try {
while (result == null) {
try {
while (result == null) {
val cmd = cmds[frame.ip]
frame.ip += 1
if (cmd.isFast) {
cmd.performFast(frame)
} else {
cmd.perform(frame)
}
}
} catch (e: Throwable) {
if (!frame.handleException(e)) {
frame.cancelIterators()
throw e
while (true) {
try {
while (result == null) {
val cmd = cmds[frame.ip]
frame.ip += 1
if (cmd.isFast) {
cmd.performFast(frame)
} else {
cmd.perform(frame)
}
}
break
} catch (e: Throwable) {
if (!frame.handleException(e)) {
frame.cancelIterators()
throw e
}
}
} catch (e: Throwable) {
frame.cancelIterators()
throw e
}
frame.cancelIterators()
return result ?: ObjVoid
@ -71,6 +67,7 @@ sealed class Cmd {
open fun performFast(frame: CmdFrame) {
error("fast command not supported: ${this::class.simpleName}")
}
open suspend fun perform(frame: CmdFrame) {
error("slow command not supported: ${this::class.simpleName}")
}
@ -179,6 +176,7 @@ class CmdConstObj(internal val constId: Int, internal val dst: Int) : Cmd() {
else -> frame.setObj(dst, obj)
}
}
is BytecodeConst.StringVal -> frame.setObj(dst, ObjString(c.value))
else -> error("CONST_OBJ expects ObjRef/StringVal at $constId")
}
@ -255,7 +253,10 @@ class CmdLoadThisVariant(
if (candidate.isInstanceOf(typeName)) return@run candidate
if (typeClass != null) {
val inst = candidate as? net.sergeych.lyng.obj.ObjInstance
if (inst != null && (inst.objClass === typeClass || inst.objClass.allParentsSet.contains(typeClass))) {
if (inst != null && (inst.objClass === typeClass || inst.objClass.allParentsSet.contains(
typeClass
))
) {
return@run inst
}
}
@ -284,7 +285,10 @@ class CmdMakeRange(
val descending = frame.slotToObj(descendingSlot).toBool()
val stepObj = frame.slotToObj(stepSlot)
val step = if (stepObj.isNull) null else stepObj
frame.storeObjResult(dst, ObjRange(start, end, isEndInclusive = inclusive, isDescending = descending, step = step))
frame.storeObjResult(
dst,
ObjRange(start, end, isEndInclusive = inclusive, isDescending = descending, step = step)
)
return
}
}
@ -372,6 +376,7 @@ class CmdCheckIs(internal val objSlot: Int, internal val typeSlot: Int, internal
val rightDecl = typeDeclFromObj(frame.ensureScope(), typeObj) ?: return frame.setBool(dst, false)
typeDeclIsSubtype(frame.ensureScope(), leftDecl, rightDecl)
}
typeObj is ObjTypeExpr -> matchesTypeDecl(frame.ensureScope(), obj, typeObj.typeDecl)
typeObj is ObjClass -> obj.isInstanceOf(typeObj)
else -> false
@ -393,6 +398,7 @@ class CmdAssertIs(internal val objSlot: Int, internal val typeSlot: Int) : Cmd()
)
}
}
is ObjTypeExpr -> {
if (!matchesTypeDecl(frame.ensureScope(), obj, typeObj.typeDecl)) {
frame.ensureScope().raiseClassCastError(
@ -400,6 +406,7 @@ class CmdAssertIs(internal val objSlot: Int, internal val typeSlot: Int) : Cmd()
)
}
}
else -> frame.ensureScope().raiseClassCastError(
"${typeObj.inspect(frame.ensureScope())} is not the class instance"
)
@ -428,6 +435,7 @@ class CmdMakeQualifiedView(
base
}
}
is ObjTypeExpr -> base
else -> frame.ensureScope().raiseClassCastError(
"${typeObj.inspect(frame.ensureScope())} is not the class instance"
@ -459,11 +467,13 @@ class CmdRangeIntBounds(
val start = (range.start as ObjInt).value
val end = (range.end as ObjInt).value
frame.setInt(startSlot, start)
frame.setInt(endSlot, if (range.isDescending) {
if (range.isEndInclusive) end - 1 else end
} else {
if (range.isEndInclusive) end + 1 else end
})
frame.setInt(
endSlot, if (range.isDescending) {
if (range.isEndInclusive) end - 1 else end
} else {
if (range.isEndInclusive) end + 1 else end
}
)
frame.setBool(descendingSlot, range.isDescending)
frame.setBool(okSlot, true)
return
@ -974,6 +984,7 @@ class CmdInvIntLocal(internal val src: Int, internal val dst: Int) : Cmd() {
return
}
}
class CmdCmpEqInt(internal val a: Int, internal val b: Int, internal val dst: Int) : Cmd() {
override suspend fun perform(frame: CmdFrame) {
frame.setBool(dst, frame.getInt(a) == frame.getInt(b))
@ -3118,6 +3129,7 @@ private suspend fun assignDestructureTarget(frame: CmdFrame, ref: ObjRef, value:
assignDestructurePattern(frame, ref, value, pos)
return
}
is LocalSlotRef -> {
val index = resolveLocalSlotIndex(frame.fn, ref.name, preferCapture = ref.captureOwnerScopeId != null)
if (index != null) {
@ -3132,6 +3144,7 @@ private suspend fun assignDestructureTarget(frame: CmdFrame, ref: ObjRef, value:
return
}
}
is LocalVarRef -> {
val index = resolveLocalSlotIndex(frame.fn, ref.name, preferCapture = false)
if (index != null) {
@ -3146,6 +3159,7 @@ private suspend fun assignDestructureTarget(frame: CmdFrame, ref: ObjRef, value:
return
}
}
is FastLocalVarRef -> {
val index = resolveLocalSlotIndex(frame.fn, ref.name, preferCapture = false)
if (index != null) {
@ -3160,6 +3174,7 @@ private suspend fun assignDestructureTarget(frame: CmdFrame, ref: ObjRef, value:
return
}
}
else -> {}
}
ref.setAt(pos, frame.ensureScope(), value)
@ -3213,7 +3228,8 @@ class CmdDeclExtProperty(internal val constId: Int, internal val slot: Int) : Cm
if (decl.property.setter != null) {
val setterName = extensionPropertySetterName(decl.extTypeName, decl.property.name)
val setterWrapper = ObjExtensionPropertySetterCallable(decl.property.name, decl.property)
frame.ensureScope().addItem(setterName, false, setterWrapper, decl.visibility, recordType = ObjRecord.Type.Fun)
frame.ensureScope()
.addItem(setterName, false, setterWrapper, decl.visibility, recordType = ObjRecord.Type.Fun)
val setterLocal = resolveLocalSlotIndex(frame.fn, setterName, preferCapture = false)
if (setterLocal != null) {
frame.setObjUnchecked(frame.fn.scopeSlotCount + setterLocal, setterWrapper)
@ -3341,6 +3357,7 @@ class CmdListLiteral(
list.ensureCapacity(list.size + value.list.size)
list.addAll(value.list)
}
else -> frame.ensureScope().raiseError("Spread element must be list")
}
} else {
@ -3415,7 +3432,9 @@ class CmdGetMemberSlot(
val (methodIdResolved, methodOnObjClass) = decodeMemberId(methodId)
val fieldRec = if (fieldIdResolved >= 0) {
when {
inst != null -> inst.fieldRecordForId(fieldIdResolved) ?: inst.objClass.fieldRecordForId(fieldIdResolved)
inst != null -> inst.fieldRecordForId(fieldIdResolved)
?: inst.objClass.fieldRecordForId(fieldIdResolved)
cls != null && fieldOnObjClass -> cls.objClass.fieldRecordForId(fieldIdResolved)
cls != null -> cls.fieldRecordForId(fieldIdResolved)
else -> receiver.objClass.fieldRecordForId(fieldIdResolved)
@ -3424,7 +3443,10 @@ class CmdGetMemberSlot(
val rec = fieldRec ?: run {
if (methodIdResolved >= 0) {
when {
inst != null -> inst.methodRecordForId(methodIdResolved) ?: inst.objClass.methodRecordForId(methodIdResolved)
inst != null -> inst.methodRecordForId(methodIdResolved) ?: inst.objClass.methodRecordForId(
methodIdResolved
)
cls != null && methodOnObjClass -> cls.objClass.methodRecordForId(methodIdResolved)
cls != null -> cls.methodRecordForId(methodIdResolved)
else -> receiver.objClass.methodRecordForId(methodIdResolved)
@ -3456,9 +3478,15 @@ class CmdGetMemberSlot(
} else {
rawName
}
suspend fun autoCallIfMethod(resolved: ObjRecord, recv: Obj): Obj {
return if (resolved.type == ObjRecord.Type.Fun && !resolved.isAbstract) {
resolved.value.invoke(frame.ensureScope(), resolved.receiver ?: recv, Arguments.EMPTY, resolved.declaringClass)
resolved.value.invoke(
frame.ensureScope(),
resolved.receiver ?: recv,
Arguments.EMPTY,
resolved.declaringClass
)
} else {
resolved.value
}
@ -3489,7 +3517,9 @@ class CmdSetMemberSlot(
val (methodIdResolved, methodOnObjClass) = decodeMemberId(methodId)
val fieldRec = if (fieldIdResolved >= 0) {
when {
inst != null -> inst.fieldRecordForId(fieldIdResolved) ?: inst.objClass.fieldRecordForId(fieldIdResolved)
inst != null -> inst.fieldRecordForId(fieldIdResolved)
?: inst.objClass.fieldRecordForId(fieldIdResolved)
cls != null && fieldOnObjClass -> cls.objClass.fieldRecordForId(fieldIdResolved)
cls != null -> cls.fieldRecordForId(fieldIdResolved)
else -> receiver.objClass.fieldRecordForId(fieldIdResolved)
@ -3498,7 +3528,10 @@ class CmdSetMemberSlot(
val rec = fieldRec ?: run {
if (methodIdResolved >= 0) {
when {
inst != null -> inst.methodRecordForId(methodIdResolved) ?: inst.objClass.methodRecordForId(methodIdResolved)
inst != null -> inst.methodRecordForId(methodIdResolved) ?: inst.objClass.methodRecordForId(
methodIdResolved
)
cls != null && methodOnObjClass -> cls.objClass.methodRecordForId(methodIdResolved)
cls != null -> cls.methodRecordForId(methodIdResolved)
else -> receiver.objClass.methodRecordForId(methodIdResolved)
@ -3692,10 +3725,12 @@ class CmdCallMemberSlot(
if (callArgs.isEmpty()) (rec.value as ObjProperty).callGetter(scope, receiver, decl)
else scope.raiseError("property $name cannot be called with arguments")
}
ObjRecord.Type.Fun -> {
val callScope = inst?.instanceScope ?: scope
rec.value.invoke(callScope, receiver, callArgs, decl)
}
ObjRecord.Type.Delegated -> {
val delegate = when (receiver) {
is ObjInstance -> {
@ -3707,9 +3742,13 @@ class CmdCallMemberSlot(
if (del != null) break
}
}
del ?: scope.raiseError("Internal error: delegated member $name has no delegate (tried $storageName)")
del
?: scope.raiseError("Internal error: delegated member $name has no delegate (tried $storageName)")
}
is ObjClass -> rec.delegate ?: scope.raiseError("Internal error: delegated member $name has no delegate")
is ObjClass -> rec.delegate
?: scope.raiseError("Internal error: delegated member $name has no delegate")
else -> rec.delegate ?: scope.raiseError("Internal error: delegated member $name has no delegate")
}
val allArgs = (listOf(receiver, ObjString(name)) + callArgs.list).toTypedArray()
@ -3718,6 +3757,7 @@ class CmdCallMemberSlot(
propVal.invoke(scope, receiver, callArgs, decl)
})
}
else -> frame.ensureScope().raiseError("member $name is not callable")
}
frame.storeObjResult(dst, result)
@ -3939,11 +3979,12 @@ class BytecodeLambdaCallable(
?: context.parent?.get(name)
?: context.get(name)
?: continue
val value = if (record.type == ObjRecord.Type.Delegated || record.type == ObjRecord.Type.Property || record.value is ObjProperty) {
context.resolve(record, name)
} else {
record.value
}
val value =
if (record.type == ObjRecord.Type.Delegated || record.type == ObjRecord.Type.Property || record.value is ObjProperty) {
context.resolve(record, name)
} else {
record.value
}
frame.frame.setObj(i, value)
}
}
@ -4000,6 +4041,7 @@ class CmdFrame(
private var scopeDepth = 0
private var virtualDepth = 0
private val iterStack = ArrayDeque<Obj>()
internal data class TryHandler(
val exceptionSlot: Int,
val catchIp: Int,
@ -4007,6 +4049,7 @@ class CmdFrame(
val iterDepthAtPush: Int,
var inCatch: Boolean = false
)
internal val tryStack = ArrayDeque<TryHandler>()
private var pendingThrowable: Throwable? = null
@ -4045,6 +4088,7 @@ class CmdFrame(
else -> obj
}
}
else -> {
val obj = frame.getObj(localIndex)
when (obj) {
@ -4055,6 +4099,7 @@ class CmdFrame(
}
}
}
internal fun isFastLocalSlot(slot: Int): Boolean {
if (slot < fn.scopeSlotCount) return false
val localIndex = slot - fn.scopeSlotCount
@ -4195,6 +4240,7 @@ class CmdFrame(
}
}
}
CaptureOwnerFrameKind.MODULE -> {
val slotId = entry.slotIndex
val target = moduleScope
@ -4325,9 +4371,9 @@ class CmdFrame(
suspend fun handleException(t: Throwable): Boolean {
val handler = tryStack.lastOrNull() ?: return false
vmIterDebug(
vmIterDebug {
"handleException fn=${fn.name} throwable=${t::class.simpleName} message=${t.message} catchIp=${handler.catchIp} finallyIp=${handler.finallyIp} iterDepth=${iterStack.size}"
)
}
val finallyIp = handler.finallyIp
if (t is ReturnException || t is LoopBreakContinueException) {
if (finallyIp >= 0) {
@ -4453,42 +4499,50 @@ class CmdFrame(
fun pushIterator(iter: Obj) {
iterStack.addLast(iter)
if (iter.objClass.className == "FlowIterator") {
vmIterDebug("pushIterator fn=${fn.name} depth=${iterStack.size} iterClass=${iter.objClass.className}")
vmIterDebug { "pushIterator fn=${fn.name} depth=${iterStack.size} iterClass=${iter.objClass.className}" }
}
}
fun popIterator() {
val iter = iterStack.lastOrNull()
if (iter != null && iter.objClass.className == "FlowIterator") {
vmIterDebug("popIterator fn=${fn.name} depth=${iterStack.size} iterClass=${iter.objClass.className}")
vmIterDebug { "popIterator fn=${fn.name} depth=${iterStack.size} iterClass=${iter.objClass.className}" }
}
iterStack.removeLastOrNull()
}
suspend fun cancelTopIterator() {
val iter = iterStack.removeLastOrNull() ?: return
vmIterDebug("cancelTopIterator fn=${fn.name} depthAfter=${iterStack.size} iterClass=${iter.objClass.className}")
vmIterDebug { "cancelTopIterator fn=${fn.name} depthAfter=${iterStack.size} iterClass=${iter.objClass.className}" }
iter.invokeInstanceMethod(ensureScope(), "cancelIteration") { ObjVoid }
}
suspend fun cancelIterators() {
while (iterStack.isNotEmpty()) {
val iter = iterStack.removeLast()
vmIterDebug("cancelIterators fn=${fn.name} depthAfter=${iterStack.size} iterClass=${iter.objClass.className}")
iter.invokeInstanceMethod(ensureScope(), "cancelIteration") { ObjVoid }
vmIterDebug { "cancelIterators fn=${fn.name} depthAfter=${iterStack.size} iterClass=${iter.objClass.className}" }
try {
iter.invokeInstanceMethod(ensureScope(), "cancelIteration") { ObjVoid }
} catch (e: Throwable) {
vmIterDebug(e) {
"cancelIterators: cancelIteration failed fn=${fn.name} depthAfter=${iterStack.size} iterClass=${iter.objClass.className}"
}
}
}
}
private suspend fun cancelIteratorsToDepth(depth: Int, reason: String) {
while (iterStack.size > depth) {
val iter = iterStack.removeLast()
vmIterDebug(
vmIterDebug {
"cancelIteratorsToDepth fn=${fn.name} reason=$reason targetDepth=$depth depthAfter=${iterStack.size} iterClass=${iter.objClass.className}"
)
}
try {
iter.invokeInstanceMethod(ensureScope(), "cancelIteration") { ObjVoid }
} catch (e: Throwable) {
vmIterDebug("cancelIteratorsToDepth: cancelIteration failed fn=${fn.name} reason=$reason", e)
vmIterDebug(e) {
"cancelIteratorsToDepth: cancelIteration failed fn=${fn.name} reason=$reason"
}
}
}
}
@ -4549,10 +4603,12 @@ class CmdFrame(
existing.write(value)
return
}
is RecordSlotRef -> {
existing.write(value)
return
}
else -> {}
}
}
@ -4629,10 +4685,12 @@ class CmdFrame(
existing.write(ObjInt.of(value))
return
}
is RecordSlotRef -> {
existing.write(ObjInt.of(value))
return
}
else -> {}
}
}
@ -4659,10 +4717,12 @@ class CmdFrame(
existing.write(ObjInt.of(value))
return
}
is RecordSlotRef -> {
existing.write(ObjInt.of(value))
return
}
else -> {}
}
}
@ -4712,10 +4772,12 @@ class CmdFrame(
existing.write(ObjReal.of(value))
return
}
is RecordSlotRef -> {
existing.write(ObjReal.of(value))
return
}
else -> {}
}
}
@ -4736,10 +4798,12 @@ class CmdFrame(
existing.write(ObjReal.of(value))
return
}
is RecordSlotRef -> {
existing.write(ObjReal.of(value))
return
}
else -> {}
}
}
@ -4783,10 +4847,12 @@ class CmdFrame(
existing.write(if (value) ObjTrue else ObjFalse)
return
}
is RecordSlotRef -> {
existing.write(if (value) ObjTrue else ObjFalse)
return
}
else -> {}
}
}
@ -4807,10 +4873,12 @@ class CmdFrame(
existing.write(if (value) ObjTrue else ObjFalse)
return
}
is RecordSlotRef -> {
existing.write(if (value) ObjTrue else ObjFalse)
return
}
else -> {}
}
}
@ -4903,6 +4971,7 @@ class CmdFrame(
null -> ObjNull
else -> raw
}
else -> frame.getRawObj(local) ?: ObjNull
}
}
@ -4929,10 +4998,12 @@ class CmdFrame(
existing.write(value)
return
}
is RecordSlotRef -> {
existing.write(value)
return
}
else -> {}
}
}
@ -5018,15 +5089,18 @@ class CmdFrame(
}
namedSeen = true
}
value is ObjList -> {
if (namedSeen) scope.raiseIllegalArgument("positional splat cannot follow named arguments")
positional.addAll(value.list)
}
value.isInstanceOf(ObjIterable) -> {
if (namedSeen) scope.raiseIllegalArgument("positional splat cannot follow named arguments")
val list = (value.invokeInstanceMethod(scope, "toList") as ObjList).list
positional.addAll(list)
}
else -> scope.raiseClassCastError("expected list of objects for splat argument")
}
} else {
@ -5075,6 +5149,7 @@ class CmdFrame(
else -> obj
}
}
else -> {
val obj = frame.getObj(localIndex)
when (obj) {

16
lynglib/src/commonMain/kotlin/net/sergeych/lyng/bytecode/VmIterDebug.kt
View File

@ -17,4 +17,18 @@
package net.sergeych.lyng.bytecode
internal expect fun vmIterDebug(message: String, error: Throwable? = null)
internal expect val vmIterDebugEnabled: Boolean
internal expect fun vmIterDebugWrite(message: String, error: Throwable? = null)
internal inline fun vmIterDebug(message: () -> String) {
if (vmIterDebugEnabled) {
vmIterDebugWrite(message())
}
}
internal inline fun vmIterDebug(error: Throwable, message: () -> String) {
if (vmIterDebugEnabled) {
vmIterDebugWrite(message(), error)
}
}

38
lynglib/src/commonTest/kotlin/ScriptTest.kt
View File

@ -131,7 +131,7 @@ class ScriptTest {
}
// --- Helpers to test iterator cancellation semantics ---
class ObjTestIterable : Obj() {
class ObjTestIterable(private val throwOnCancel: Boolean = false) : Obj() {
var cancelCount: Int = 0
@ -145,6 +145,13 @@ class ScriptTest {
addFn("cancelCount") { thisAs<ObjTestIterable>().cancelCount.toObj() }
}
}
internal fun onCancel() {
cancelCount += 1
if (throwOnCancel) {
throw IllegalStateException("cancel failed")
}
}
}
class ObjTestIterator(private val owner: ObjTestIterable) : Obj() {
@ -154,7 +161,7 @@ class ScriptTest {
private fun hasNext(): Boolean = i < 5
private fun next(): Obj = ObjInt((++i).toLong())
private fun cancelIteration() {
owner.cancelCount += 1
owner.onCancel()
}
companion object {
@ -221,6 +228,33 @@ class ScriptTest {
assertEquals(1, ti.cancelCount)
}
@Test
fun testVmCancelsAllIteratorsWhenOneCancelFails() = runTest {
val scope = Script.newScope()
val outer = ObjTestIterable()
val inner = ObjTestIterable(throwOnCancel = true)
scope.addConst("outer", outer)
scope.addConst("inner", inner)
try {
scope.eval(
"""
for (o in outer) {
for (i in inner) {
throw "boom"
}
}
""".trimIndent()
)
fail("Exception expected")
} catch (_: Exception) {
// ignore
}
assertEquals(1, inner.cancelCount)
assertEquals(1, outer.cancelCount)
}
@Test
fun parseNewlines() {
fun check(expected: String, type: Token.Type, row: Int, col: Int, src: String, offset: Int = 0) {

4
lynglib/src/jsMain/kotlin/net/sergeych/lyng/bytecode/VmIterDebugJs.kt
View File

@ -17,6 +17,8 @@
package net.sergeych.lyng.bytecode
internal actual fun vmIterDebug(message: String, error: Throwable?) {
internal actual val vmIterDebugEnabled: Boolean = false
internal actual fun vmIterDebugWrite(message: String, error: Throwable?) {
// no-op on JS
}

14
lynglib/src/jvmMain/kotlin/net/sergeych/lyng/bytecode/VmIterDebugJvm.kt
View File

@ -20,6 +20,18 @@ package net.sergeych.lyng.bytecode
import java.io.File
import java.time.Instant
private fun parseEnabledFlag(value: String?): Boolean {
return when (value?.lowercase()) {
"1", "true", "yes", "on" -> true
else -> false
}
}
internal actual val vmIterDebugEnabled: Boolean = run {
parseEnabledFlag(System.getProperty("LYNG_VM_ITER_DEBUG"))
|| parseEnabledFlag(System.getenv("LYNG_VM_ITER_DEBUG"))
}
private val vmIterLogFilePath: String =
System.getenv("LYNG_VM_DEBUG_LOG")
?.takeIf { it.isNotBlank() }
@ -27,7 +39,7 @@ private val vmIterLogFilePath: String =
private val vmIterLogLock = Any()
internal actual fun vmIterDebug(message: String, error: Throwable?) {
internal actual fun vmIterDebugWrite(message: String, error: Throwable?) {
runCatching {
val line = buildString {
append(Instant.now().toString())

4
lynglib/src/nativeMain/kotlin/net/sergeych/lyng/bytecode/VmIterDebugNative.kt
View File

@ -17,6 +17,8 @@
package net.sergeych.lyng.bytecode
internal actual fun vmIterDebug(message: String, error: Throwable?) {
internal actual val vmIterDebugEnabled: Boolean = false
internal actual fun vmIterDebugWrite(message: String, error: Throwable?) {
// no-op on Native
}

4
lynglib/src/wasmJsMain/kotlin/net/sergeych/lyng/bytecode/VmIterDebugWasmJs.kt
View File

@ -17,6 +17,8 @@
package net.sergeych.lyng.bytecode
internal actual fun vmIterDebug(message: String, error: Throwable?) {
internal actual val vmIterDebugEnabled: Boolean = false
internal actual fun vmIterDebugWrite(message: String, error: Throwable?) {
// no-op on wasmJs
}