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New J2K: Make polyadic expression converter to resolve real operator type

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This commit is contained in:
Ilya Kirillov
2018-12-24 12:13:26 +03:00
committed by Ilya Kirillov
parent 841cd9c749
commit 7dbe16d305
1 changed files with 13 additions and 5 deletions
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j2k/newSrc/org/jetbrains/kotlin/j2k/conversions/PolyadicExpressionConversion.kt
+13 -5
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@@ -5,14 +5,16 @@
package org.jetbrains.kotlin.j2k.conversions
import org.jetbrains.kotlin.j2k.ConversionContext
import org.jetbrains.kotlin.j2k.kotlinBinaryExpression
import org.jetbrains.kotlin.j2k.tree.JKExpression
import org.jetbrains.kotlin.j2k.tree.JKJavaPolyadicExpression
import org.jetbrains.kotlin.j2k.tree.JKOperator
import org.jetbrains.kotlin.j2k.tree.JKTreeElement
import org.jetbrains.kotlin.j2k.tree.impl.JKBinaryExpressionImpl
import org.jetbrains.kotlin.j2k.tree.impl.*
class PolyadicExpressionConversion : RecursiveApplicableConversionBase() {
class PolyadicExpressionConversion(private val context: ConversionContext) : RecursiveApplicableConversionBase() {
override fun applyToElement(element: JKTreeElement): JKTreeElement {
return (if (element is JKJavaPolyadicExpression)
convertPolyadic(element.operands.also { element.operands = emptyList() }, element.tokens)
@@ -26,11 +28,17 @@ class PolyadicExpressionConversion : RecursiveApplicableConversionBase() {
return if (operators.isEmpty())
operands.first()
else {
val op = operators.reduce { a, b -> if (a.precedence > b.precedence) a else b }
val index = operators.indexOf(op)
val operator = operators.maxBy { it.precedence }
val token =
when (operator) {
is JKJavaOperatorImpl -> operator.token.toKtToken()
is JKKtOperatorImpl -> operator.token
else -> error("operator should be either kotlin or java")
}
val index = operators.indexOf(operator)
val left = convertPolyadic(operands.subList(0, index + 1), operators.subList(0, index))
val right = convertPolyadic(operands.subList(index + 1, operands.size), operators.subList(index + 1, operators.size))
JKBinaryExpressionImpl(left, right, op)
kotlinBinaryExpression(left, right, token, context)!!
}
}
}