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ThrowableLowering

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This commit is contained in:
Anton Bannykh
2019-12-24 21:58:51 +03:00
committed by Anton Bannykh
parent 15b2312cec
commit 05ab17f1e1
2 changed files with 17 additions and 6 deletions
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14
compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/ThrowableLowering.kt
View File

@@ -5,21 +5,21 @@
package org.jetbrains.kotlin.ir.backend.js.lower
import org.jetbrains.kotlin.backend.common.FileLoweringPass
import org.jetbrains.kotlin.backend.common.BodyLoweringPass
import org.jetbrains.kotlin.ir.UNDEFINED_OFFSET
import org.jetbrains.kotlin.ir.backend.js.JsIrBackendContext
import org.jetbrains.kotlin.ir.declarations.IrClass
import org.jetbrains.kotlin.ir.declarations.IrDeclaration
import org.jetbrains.kotlin.ir.declarations.IrDeclarationParent
import org.jetbrains.kotlin.ir.declarations.IrFile
import org.jetbrains.kotlin.ir.expressions.*
import org.jetbrains.kotlin.ir.expressions.impl.*
import org.jetbrains.kotlin.ir.types.isNullableString
import org.jetbrains.kotlin.ir.types.makeNotNull
import org.jetbrains.kotlin.ir.util.isThrowable
import org.jetbrains.kotlin.ir.util.*
import org.jetbrains.kotlin.ir.visitors.IrElementTransformer
class ThrowableLowering(val context: JsIrBackendContext) : FileLoweringPass {
class ThrowableLowering(val context: JsIrBackendContext) : BodyLoweringPass {
private val nothingNType get() = context.irBuiltIns.nothingNType
private val throwableConstructors = context.throwableConstructors
@@ -33,8 +33,10 @@ class ThrowableLowering(val context: JsIrBackendContext) : FileLoweringPass {
val cause: IrExpression
)
override fun lower(irFile: IrFile) {
irFile.transformChildren(Transformer(), irFile)
override fun lower(irBody: IrBody, container: IrDeclaration) {
container.parentClassOrNull.let { enclosingClass ->
irBody.transformChildren(Transformer(), enclosingClass ?: container.file)
}
}
private fun IrFunctionAccessExpression.extractThrowableArguments(): ThrowableArguments =

9
compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/IrUtils.kt
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@@ -609,6 +609,15 @@ val IrDeclaration.fileOrNull: IrFile?
val IrDeclaration.file: IrFile
get() = fileOrNull ?: TODO("Unknown file")
val IrDeclaration.parentClassOrNull: IrClass?
get() = parent.let {
when (it) {
is IrClass -> it
is IrDeclaration -> it.parentClassOrNull
else -> null
}
}
val IrFunction.allTypeParameters: List<IrTypeParameter>
get() = if (this is IrConstructor)
parentAsClass.typeParameters + typeParameters