Create from Usage: Infer expected type from base declarations
#KT-17480 Fixed
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+7
-1
@@ -222,7 +222,13 @@ fun KtExpression.guessTypes(
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parent is KtNamedFunction && parent.name == null -> parent
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else -> null
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}
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if (functionalExpression == null) return arrayOf()
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if (functionalExpression == null) {
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functionDescriptor.overriddenDescriptors
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.mapNotNull { it.returnType }
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.firstOrNull { isAcceptable(it) }
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?.let { return arrayOf(it) }
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return arrayOf()
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}
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val lambdaTypes = functionalExpression.guessTypes(context, module, pseudocode?.parent, coerceUnusedToUnit)
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lambdaTypes.mapNotNull { it.getFunctionType()?.arguments?.lastOrNull()?.type }.toTypedArray()
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}
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Vendored
+9
@@ -0,0 +1,9 @@
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// "Create class 'XImpl'" "true"
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interface X
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interface A {
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fun f(): X
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}
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class B : A {
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override fun f() = <caret>XImpl()
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}
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+13
@@ -0,0 +1,13 @@
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// "Create class 'XImpl'" "true"
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interface X
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interface A {
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fun f(): X
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}
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class B : A {
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override fun f() = XImpl()
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}
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class XImpl : X {
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}
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@@ -1647,6 +1647,12 @@ public class QuickFixTestGenerated extends AbstractQuickFixTest {
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doTest(fileName);
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}
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@TestMetadata("expectedTypeBySuperFunction.kt")
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public void testExpectedTypeBySuperFunction() throws Exception {
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String fileName = KotlinTestUtils.navigationMetadata("idea/testData/quickfix/createFromUsage/createClass/callExpression/expectedTypeBySuperFunction.kt");
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doTest(fileName);
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}
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@TestMetadata("quotedName.kt")
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public void testQuotedName() throws Exception {
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String fileName = KotlinTestUtils.navigationMetadata("idea/testData/quickfix/createFromUsage/createClass/callExpression/quotedName.kt");
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