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[JS IR BE] don't materialize Unit for toplevel expressions

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Zalim Bashorov
2018-04-12 18:12:37 +03:00
parent 8408bada76
commit ac42a0a23e
1 changed files with 11 additions and 2 deletions
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compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/IrElementToJsStatementTransformer.kt
+11 -2
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@@ -6,13 +6,22 @@
package org.jetbrains.kotlin.ir.backend.js.transformers.irToJs package org.jetbrains.kotlin.ir.backend.js.transformers.irToJs
import org.jetbrains.kotlin.builtins.KotlinBuiltIns import org.jetbrains.kotlin.builtins.KotlinBuiltIns
import org.jetbrains.kotlin.ir.backend.js.utils.* import org.jetbrains.kotlin.ir.backend.js.utils.JsGenerationContext
import org.jetbrains.kotlin.ir.declarations.IrField import org.jetbrains.kotlin.ir.backend.js.utils.constructedClass
import org.jetbrains.kotlin.ir.declarations.IrVariable import org.jetbrains.kotlin.ir.declarations.IrVariable
import org.jetbrains.kotlin.ir.expressions.* import org.jetbrains.kotlin.ir.expressions.*
import org.jetbrains.kotlin.js.backend.ast.* import org.jetbrains.kotlin.js.backend.ast.*
class IrElementToJsStatementTransformer : BaseIrElementToJsNodeTransformer<JsStatement, JsGenerationContext> { class IrElementToJsStatementTransformer : BaseIrElementToJsNodeTransformer<JsStatement, JsGenerationContext> {
// TODO: is it right place for this logic? Or should it be implemented as a separate lowering?
override fun visitTypeOperator(expression: IrTypeOperatorCall, context: JsGenerationContext): JsStatement {
if (expression.operator == IrTypeOperator.IMPLICIT_COERCION_TO_UNIT) {
return expression.argument.accept(this, context)
}
return super.visitTypeOperator(expression, context)
}
override fun visitBlockBody(body: IrBlockBody, context: JsGenerationContext): JsStatement { override fun visitBlockBody(body: IrBlockBody, context: JsGenerationContext): JsStatement {
return JsBlock(body.statements.map { it.accept(this, context) }) return JsBlock(body.statements.map { it.accept(this, context) })
} }