[NI] Use infered delegate expression type if there is no resolved call in trace

#KT-35707 Fixed
This commit is contained in:
Dmitriy Novozhilov
2019-12-27 11:49:24 +03:00
parent 605ef647e6
commit 9367c6a762
8 changed files with 55 additions and 3 deletions
@@ -632,16 +632,18 @@ class DelegatedPropertyResolver(
result?.let { recordResolvedDelegateOrReportError(it.overloadResolutionResults, isGet) }
}
val resolvedDelegateType = extractResolvedDelegateType(delegateExpression, trace)
val resolvedDelegateType = extractResolvedDelegateType(delegateExpression, trace, delegateType)
trace.recordType(delegateExpression, resolvedDelegateType)
trace.commit()
return resolvedDelegateType.unwrap()
}
private fun extractResolvedDelegateType(delegateExpression: KtExpression, trace: BindingTrace): KotlinType {
private fun extractResolvedDelegateType(delegateExpression: KtExpression, trace: BindingTrace, delegateType: KotlinType): KotlinType {
val call = delegateExpression.getCall(trace.bindingContext)
val pretendReturnType = call.getResolvedCall(trace.bindingContext)?.resultingDescriptor?.returnType
return pretendReturnType?.takeUnless { !it.isProperType() } ?: ErrorUtils.createErrorType("Type for ${delegateExpression.text}")
return pretendReturnType?.takeIf { it.isProperType() }
?: delegateType.takeIf { it.isProperType() }
?: ErrorUtils.createErrorType("Type for ${delegateExpression.text}")
}
private fun KotlinType.isProperType(): Boolean {
@@ -0,0 +1,20 @@
// !LANGUAGE: +NewInference
// ISSUE: KT-35707
import kotlin.reflect.KProperty
interface PropertyDelegate {
operator fun getValue(thisRef: A, property: KProperty<*>): Boolean = true
operator fun setValue(thisRef: A, property: KProperty<*>, value: Boolean) {}
}
class A {
val b by object : PropertyDelegate {}
}
fun box(): String {
return if (A().b) {
"OK"
} else {
"FAIL"
}
}
@@ -9711,6 +9711,11 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
runTest("compiler/testData/codegen/box/delegatedProperty/insideInlinedObjectMultiModule.kt");
}
@TestMetadata("kt35707.kt")
public void testKt35707() throws Exception {
runTest("compiler/testData/codegen/box/delegatedProperty/kt35707.kt");
}
@TestMetadata("kt4138.kt")
public void testKt4138() throws Exception {
runTest("compiler/testData/codegen/box/delegatedProperty/kt4138.kt");
@@ -9711,6 +9711,11 @@ public class LightAnalysisModeTestGenerated extends AbstractLightAnalysisModeTes
runTest("compiler/testData/codegen/box/delegatedProperty/insideInlinedObjectMultiModule.kt");
}
@TestMetadata("kt35707.kt")
public void testKt35707() throws Exception {
runTest("compiler/testData/codegen/box/delegatedProperty/kt35707.kt");
}
@TestMetadata("kt4138.kt")
public void testKt4138() throws Exception {
runTest("compiler/testData/codegen/box/delegatedProperty/kt4138.kt");
@@ -8561,6 +8561,11 @@ public class FirBlackBoxCodegenTestGenerated extends AbstractFirBlackBoxCodegenT
runTest("compiler/testData/codegen/box/delegatedProperty/insideInlinedObjectMultiModule.kt");
}
@TestMetadata("kt35707.kt")
public void testKt35707() throws Exception {
runTest("compiler/testData/codegen/box/delegatedProperty/kt35707.kt");
}
@TestMetadata("kt4138.kt")
public void testKt4138() throws Exception {
runTest("compiler/testData/codegen/box/delegatedProperty/kt4138.kt");
@@ -8561,6 +8561,11 @@ public class IrBlackBoxCodegenTestGenerated extends AbstractIrBlackBoxCodegenTes
runTest("compiler/testData/codegen/box/delegatedProperty/insideInlinedObjectMultiModule.kt");
}
@TestMetadata("kt35707.kt")
public void testKt35707() throws Exception {
runTest("compiler/testData/codegen/box/delegatedProperty/kt35707.kt");
}
@TestMetadata("kt4138.kt")
public void testKt4138() throws Exception {
runTest("compiler/testData/codegen/box/delegatedProperty/kt4138.kt");
@@ -7361,6 +7361,11 @@ public class IrJsCodegenBoxTestGenerated extends AbstractIrJsCodegenBoxTest {
runTest("compiler/testData/codegen/box/delegatedProperty/insideInlinedObjectMultiModule.kt");
}
@TestMetadata("kt35707.kt")
public void testKt35707() throws Exception {
runTest("compiler/testData/codegen/box/delegatedProperty/kt35707.kt");
}
@TestMetadata("kt4138.kt")
public void testKt4138() throws Exception {
runTest("compiler/testData/codegen/box/delegatedProperty/kt4138.kt");
@@ -8436,6 +8436,11 @@ public class JsCodegenBoxTestGenerated extends AbstractJsCodegenBoxTest {
runTest("compiler/testData/codegen/box/delegatedProperty/insideInlinedObjectMultiModule.kt");
}
@TestMetadata("kt35707.kt")
public void testKt35707() throws Exception {
runTest("compiler/testData/codegen/box/delegatedProperty/kt35707.kt");
}
@TestMetadata("kt4138.kt")
public void testKt4138() throws Exception {
runTest("compiler/testData/codegen/box/delegatedProperty/kt4138.kt");