New J2K: Java polyadic expression

j2k/newSrc/org/jetbrains/kotlin/j2k/JavaToJKTreeBuilder.kt

@@ -58,6 +58,10 @@ class JavaToJKTreeBuilder(var symbolProvider: JKSymbolProvider) {
                 is PsiConditionalExpression -> JKIfElseExpressionImpl(
                     condition.toJK(), thenExpression.toJK(), elseExpression.toJK()
                 )
+                is PsiPolyadicExpression -> JKJavaPolyadicExpressionImpl(
+                    operands.map { it.toJK() },
+                    Array(operands.lastIndex) { getTokenBeforeOperand(operands[it + 1]) }.map { it?.toJK() ?: TODO() }
+                )
                 else -> {
                     throw RuntimeException("Not supported: ${this::class}")
                 }

j2k/newSrc/org/jetbrains/kotlin/j2k/tree/impl/j.kt

@@ -176,4 +176,16 @@ class JKJavaInstanceOfExpressionImpl(expression: JKExpression, type: JKTypeEleme
     override var expression by child(expression)
 
     override fun <R, D> accept(visitor: JKVisitor<R, D>, data: D): R = visitor.visitJavaInstanceOfExpression(this, data)
+}
+
+class JKJavaPolyadicExpressionImpl(operands: List<JKExpression>, override var tokens: List<JKOperator>) : JKJavaPolyadicExpression,
+    JKBranchElementBase() {
+    override var operands by children(operands)
+
+    override fun getTokenBeforeOperand(operand: JKExpression): JKOperator? {
+        val index = operands.indexOf(operand)
+        return if (index < 1 || index > tokens.size) null else tokens[index - 1]
+    }
+
+    override fun <R, D> accept(visitor: JKVisitor<R, D>, data: D): R = visitor.visitJavaPolyadicExpression(this, data)
 }

j2k/newSrc/org/jetbrains/kotlin/j2k/tree/j.kt

@@ -87,4 +87,11 @@ interface JKJavaForLoopStatement : JKLoopStatement {
 interface JKJavaInstanceOfExpression : JKExpression {
     var expression: JKExpression
     var type: JKTypeElement
+}
+
+interface JKJavaPolyadicExpression : JKExpression {
+    var operands: List<JKExpression>
+    var tokens: List<JKOperator>
+
+    fun getTokenBeforeOperand(operand: JKExpression): JKOperator?
 }

j2k/newSrc/org/jetbrains/kotlin/j2k/tree/visitors/JKVisitor.kt

@@ -65,6 +65,7 @@ interface JKVisitor<out R, in D> {
     fun visitJavaAssertStatement(javaAssertStatement: JKJavaAssertStatement, data: D): R = visitStatement(javaAssertStatement, data)
     fun visitJavaForLoopStatement(javaForLoopStatement: JKJavaForLoopStatement, data: D): R = visitLoopStatement(javaForLoopStatement, data)
     fun visitJavaInstanceOfExpression(javaInstanceOfExpression: JKJavaInstanceOfExpression, data: D): R = visitExpression(javaInstanceOfExpression, data)
+    fun visitJavaPolyadicExpression(javaPolyadicExpression: JKJavaPolyadicExpression, data: D): R = visitExpression(javaPolyadicExpression, data)
     fun visitKtProperty(ktProperty: JKKtProperty, data: D): R = visitField(ktProperty, data)
     fun visitKtFunction(ktFunction: JKKtFunction, data: D): R = visitMethod(ktFunction, data)
     fun visitKtConstructor(ktConstructor: JKKtConstructor, data: D): R = visitDeclaration(ktConstructor, data)

j2k/newSrc/org/jetbrains/kotlin/j2k/tree/visitors/JKVisitorVoid.kt

@@ -127,6 +127,8 @@ interface JKVisitorVoid : JKVisitor<Unit, Nothing?> {
     override fun visitJavaForLoopStatement(javaForLoopStatement: JKJavaForLoopStatement, data: Nothing?) = visitJavaForLoopStatement(javaForLoopStatement)
     fun visitJavaInstanceOfExpression(javaInstanceOfExpression: JKJavaInstanceOfExpression) = visitExpression(javaInstanceOfExpression, null)
     override fun visitJavaInstanceOfExpression(javaInstanceOfExpression: JKJavaInstanceOfExpression, data: Nothing?) = visitJavaInstanceOfExpression(javaInstanceOfExpression)
+    fun visitJavaPolyadicExpression(javaPolyadicExpression: JKJavaPolyadicExpression) = visitExpression(javaPolyadicExpression, null)
+    override fun visitJavaPolyadicExpression(javaPolyadicExpression: JKJavaPolyadicExpression, data: Nothing?) = visitJavaPolyadicExpression(javaPolyadicExpression)
     fun visitKtProperty(ktProperty: JKKtProperty) = visitField(ktProperty, null)
     override fun visitKtProperty(ktProperty: JKKtProperty, data: Nothing?) = visitKtProperty(ktProperty)
     fun visitKtFunction(ktFunction: JKKtFunction) = visitMethod(ktFunction, null)