Replace return@forEach with continue in ConvertForEachToForLoopIntention
So #KT-17332 Fixed
This commit is contained in:
committed by
Mikhail Glukhikh
parent
da52716bfd
commit
4c4427c280
@@ -20,7 +20,10 @@ import com.intellij.openapi.editor.Editor
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import org.jetbrains.kotlin.idea.caches.resolve.analyze
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import org.jetbrains.kotlin.idea.util.CommentSaver
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import org.jetbrains.kotlin.psi.*
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import org.jetbrains.kotlin.psi.psiUtil.forEachDescendantOfType
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import org.jetbrains.kotlin.resolve.BindingContext
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import org.jetbrains.kotlin.resolve.DescriptorUtils
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import org.jetbrains.kotlin.resolve.bindingContextUtil.getTargetFunction
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import org.jetbrains.kotlin.resolve.calls.callUtil.getResolvedCall
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import org.jetbrains.kotlin.resolve.scopes.receivers.ExpressionReceiver
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@@ -40,11 +43,11 @@ class ConvertForEachToForLoopIntention : SelfTargetingOffsetIndependentIntention
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}
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override fun applyTo(element: KtSimpleNameExpression, editor: Editor?) {
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val (expressionToReplace, receiver, functionLiteral) = extractData(element)!!
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val (expressionToReplace, receiver, functionLiteral, context) = extractData(element)!!
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val commentSaver = CommentSaver(expressionToReplace)
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val loop = generateLoop(functionLiteral, receiver)
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val loop = generateLoop(functionLiteral, receiver, context)
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val result = expressionToReplace.replace(loop)
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commentSaver.restore(result)
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@@ -53,7 +56,8 @@ class ConvertForEachToForLoopIntention : SelfTargetingOffsetIndependentIntention
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private data class Data(
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val expressionToReplace: KtExpression,
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val receiver: KtExpression,
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val functionLiteral: KtLambdaExpression
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val functionLiteral: KtLambdaExpression,
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val context: BindingContext
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)
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private fun extractData(nameExpr: KtSimpleNameExpression): Data? {
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@@ -64,20 +68,31 @@ class ConvertForEachToForLoopIntention : SelfTargetingOffsetIndependentIntention
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else -> null
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} ?: return null) as KtExpression //TODO: submit bug
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val resolvedCall = expression.getResolvedCall(expression.analyze()) ?: return null
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val context = expression.analyze()
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val resolvedCall = expression.getResolvedCall(context) ?: return null
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if (DescriptorUtils.getFqName(resolvedCall.resultingDescriptor).toString() !in FOR_EACH_FQ_NAMES) return null
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val receiver = resolvedCall.call.explicitReceiver as? ExpressionReceiver ?: return null
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val argument = resolvedCall.call.valueArguments.singleOrNull() ?: return null
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val functionLiteral = argument.getArgumentExpression() as? KtLambdaExpression ?: return null
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return Data(expression, receiver.expression, functionLiteral)
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return Data(expression, receiver.expression, functionLiteral, context)
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}
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private fun generateLoop(functionLiteral: KtLambdaExpression, receiver: KtExpression): KtExpression {
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private fun generateLoop(functionLiteral: KtLambdaExpression, receiver: KtExpression, context: BindingContext): KtExpression {
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val factory = KtPsiFactory(functionLiteral)
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val loopRange = KtPsiUtil.safeDeparenthesize(receiver)
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val body = functionLiteral.bodyExpression!!
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val function = functionLiteral.functionLiteral
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body.forEachDescendantOfType<KtReturnExpression> {
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if (it.getTargetFunction(context) == function) {
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it.replace(factory.createExpression("continue"))
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}
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}
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val loopRange = KtPsiUtil.safeDeparenthesize(receiver)
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val parameter = functionLiteral.valueParameters.singleOrNull()
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return factory.createExpressionByPattern("for($0 in $1){ $2 }", parameter ?: "it", loopRange, body)
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}
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}
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@@ -0,0 +1,7 @@
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// WITH_RUNTIME
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fun foo() {
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listOf(1).<caret>forEach {
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listOf(1).forEach { return@forEach }
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}
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}
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@@ -0,0 +1,7 @@
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// WITH_RUNTIME
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fun foo() {
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for (it in listOf(1)) {
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listOf(1).forEach { return@forEach }
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}
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}
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@@ -0,0 +1,7 @@
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// WITH_RUNTIME
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fun foo() {
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listOf(1).<caret>forEach {
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return@forEach
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}
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}
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@@ -0,0 +1,7 @@
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// WITH_RUNTIME
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fun foo() {
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for (it in listOf(1)) {
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continue
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}
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}
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@@ -4535,6 +4535,18 @@ public class IntentionTestGenerated extends AbstractIntentionTest {
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doTest(fileName);
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}
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@TestMetadata("withNestedReturn.kt")
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public void testWithNestedReturn() throws Exception {
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String fileName = KotlinTestUtils.navigationMetadata("idea/testData/intentions/convertForEachToForLoop/withNestedReturn.kt");
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doTest(fileName);
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}
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@TestMetadata("withReturn.kt")
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public void testWithReturn() throws Exception {
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String fileName = KotlinTestUtils.navigationMetadata("idea/testData/intentions/convertForEachToForLoop/withReturn.kt");
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doTest(fileName);
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}
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@TestMetadata("zeroArguments.kt")
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public void testZeroArguments() throws Exception {
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String fileName = KotlinTestUtils.navigationMetadata("idea/testData/intentions/convertForEachToForLoop/zeroArguments.kt");
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