All Downloads are FREE. Search and download functionalities are using the official Maven repository.
Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
org.jetbrains.kotlin.backend.wasm.lower.BuiltInsLowering.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2019 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.backend.wasm.lower
import org.jetbrains.kotlin.backend.common.FileLoweringPass
import org.jetbrains.kotlin.backend.common.IrElementTransformerVoidWithContext
import org.jetbrains.kotlin.backend.common.lower.DeclarationIrBuilder
import org.jetbrains.kotlin.backend.common.lower.createIrBuilder
import org.jetbrains.kotlin.backend.wasm.WasmBackendContext
import org.jetbrains.kotlin.config.AnalysisFlags
import org.jetbrains.kotlin.config.languageVersionSettings
import org.jetbrains.kotlin.ir.backend.js.utils.isEqualsInheritedFromAny
import org.jetbrains.kotlin.ir.builders.*
import org.jetbrains.kotlin.ir.declarations.IrFile
import org.jetbrains.kotlin.ir.declarations.IrSimpleFunction
import org.jetbrains.kotlin.ir.expressions.IrCall
import org.jetbrains.kotlin.ir.expressions.IrExpression
import org.jetbrains.kotlin.ir.interpreter.toIrConst
import org.jetbrains.kotlin.ir.symbols.IrSimpleFunctionSymbol
import org.jetbrains.kotlin.ir.types.*
import org.jetbrains.kotlin.ir.util.*
import org.jetbrains.kotlin.ir.visitors.transformChildrenVoid
import org.jetbrains.kotlin.name.parentOrNull
class BuiltInsLowering(val context: WasmBackendContext) : FileLoweringPass {
private val irBuiltins = context.irBuiltIns
private val symbols = context.wasmSymbols
private fun IrType.findEqualsMethod(): IrSimpleFunction {
val klass = getClass() ?: irBuiltins.anyClass.owner
return klass.functions.single { it.isEqualsInheritedFromAny() }
}
fun transformCall(
call: IrCall,
builder: DeclarationIrBuilder
): IrExpression {
when (val symbol = call.symbol) {
irBuiltins.ieee754equalsFunByOperandType[irBuiltins.floatClass] -> {
if (call.getValueArgument(0)!!.type.isNullable() || call.getValueArgument(1)!!.type.isNullable()) {
return irCall(call, symbols.nullableFloatIeee754Equals)
}
return irCall(call, symbols.floatEqualityFunctions.getValue(irBuiltins.floatType))
}
irBuiltins.ieee754equalsFunByOperandType[irBuiltins.doubleClass] -> {
if (call.getValueArgument(0)!!.type.isNullable() || call.getValueArgument(1)!!.type.isNullable()) {
return irCall(call, symbols.nullableDoubleIeee754Equals)
}
return irCall(call, symbols.floatEqualityFunctions.getValue(irBuiltins.doubleType))
}
irBuiltins.eqeqSymbol -> {
val lhs = call.getValueArgument(0)!!
val rhs = call.getValueArgument(1)!!
val lhsType = lhs.type
val rhsType = rhs.type
if (lhsType == rhsType) {
val newSymbol = symbols.equalityFunctions[lhsType]
if (newSymbol != null) {
return irCall(call, newSymbol)
}
}
if (lhs.isNullConst()) {
return builder.irCall(symbols.refIsNull).apply { putValueArgument(0, rhs) }
}
if (rhs.isNullConst()) {
return builder.irCall(symbols.refIsNull).apply { putValueArgument(0, lhs) }
}
if (!lhsType.isNullable()) {
return irCall(call, lhsType.findEqualsMethod().symbol, argumentsAsReceivers = true)
}
return irCall(call, symbols.nullableEquals)
}
irBuiltins.eqeqeqSymbol -> {
val type = call.getValueArgument(0)!!.type
val newSymbol = symbols.equalityFunctions[type] ?: symbols.floatEqualityFunctions[type] ?: symbols.refEq
return irCall(call, newSymbol)
}
irBuiltins.checkNotNullSymbol -> {
// Workaround: v8 doesnt support ref.cast-ing unreachable very well.
run {
val arg = call.getValueArgument(0)!!
if (arg.isNullConst()) {
return builder.irCall(symbols.wasmUnreachable, irBuiltins.nothingType)
}
}
return irCall(call, symbols.ensureNotNull).also {
it.putTypeArgument(0, call.type)
}
}
in symbols.comparisonBuiltInsToWasmIntrinsics.keys -> {
val newSymbol = symbols.comparisonBuiltInsToWasmIntrinsics[symbol]!!
return irCall(call, newSymbol)
}
irBuiltins.noWhenBranchMatchedExceptionSymbol ->
return builder.irCall(symbols.throwNoBranchMatchedException, irBuiltins.nothingType)
irBuiltins.illegalArgumentExceptionSymbol ->
return builder.irCall(symbols.throwIAE, irBuiltins.nothingType, 1).apply {
putValueArgument(0, call.getValueArgument(0)!!)
}
irBuiltins.dataClassArrayMemberHashCodeSymbol, irBuiltins.dataClassArrayMemberToStringSymbol -> {
val argument = call.getValueArgument(0)!!
val argumentType = argument.type
val overloadSymbol: IrSimpleFunctionSymbol
val returnType: IrType
if (symbol == irBuiltins.dataClassArrayMemberHashCodeSymbol) {
overloadSymbol = symbols.findContentHashCodeOverload(argumentType)
returnType = irBuiltins.intType
} else {
overloadSymbol = symbols.findContentToStringOverload(argumentType)
returnType = irBuiltins.stringType
}
return builder.irCall(
overloadSymbol,
returnType,
).apply {
extensionReceiver = argument
if (argumentType.classOrNull == irBuiltins.arrayClass) {
putTypeArgument(0, argumentType.getArrayElementType(irBuiltins))
}
}
}
in symbols.startCoroutineUninterceptedOrReturnIntrinsics -> {
val arity = symbols.startCoroutineUninterceptedOrReturnIntrinsics.indexOf(symbol)
val newSymbol = irBuiltins.suspendFunctionN(arity).getSimpleFunction("invoke")!!
return irCall(call, newSymbol, argumentsAsReceivers = true)
}
symbols.reflectionSymbols.getClassData -> {
val infoDataCtor = symbols.reflectionSymbols.wasmTypeInfoData.constructors.first()
val type = call.getTypeArgument(0)!!
val isInterface = type.isInterface()
val fqName = type.classFqName!!
val fqnShouldBeEmitted =
context.configuration.languageVersionSettings.getFlag(AnalysisFlags.allowFullyQualifiedNameInKClass)
val packageName = if (fqnShouldBeEmitted) fqName.parentOrNull()?.asString() ?: "" else ""
val typeName = fqName.shortName().asString()
return with(builder) {
val wasmIdGetter = if (type.isInterface()) symbols.wasmInterfaceId else symbols.wasmClassId
val typeId = irCall(wasmIdGetter).also {
it.putTypeArgument(0, type)
}
irCallConstructor(infoDataCtor, emptyList()).also {
it.putValueArgument(0, typeId)
it.putValueArgument(1, isInterface.toIrConst(context.irBuiltIns.booleanType))
it.putValueArgument(2, packageName.toIrConst(context.irBuiltIns.stringType))
it.putValueArgument(3, typeName.toIrConst(context.irBuiltIns.stringType))
}
}
}
}
return call
}
override fun lower(irFile: IrFile) {
val builder = context.createIrBuilder(irFile.symbol)
irFile.transformChildrenVoid(object : IrElementTransformerVoidWithContext() {
override fun visitCall(expression: IrCall): IrExpression {
val newExpression = transformCall(expression, builder)
newExpression.transformChildrenVoid(this)
return newExpression
}
})
}
}
