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Code Issues Packages Projects Releases Wiki Activity

IDEA-161862 Lambda Expressions not showing as implementations of an interface

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This commit is contained in:
peter
2016-09-29 11:31:20 +02:00
parent b9a06d65b9
commit 53867e057f
3 changed files with 29 additions and 2 deletions
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9
java/java-indexing-impl/src/com/intellij/psi/impl/java/ReferenceChainLink.java
View File

@@ -101,12 +101,17 @@ public class ReferenceChainLink {
PsiPackage pkg = JavaPsiFacade.getInstance(project).findPackage(referenceName);
if (pkg != null && pkg.getDirectories(scope).length > 0) return null;
if (!cache.processFieldsWithName(referenceName, processor, scope, null) ||
!cache.processClassesWithName(referenceName, processor, scope, null)) {
if (!cache.processFieldsWithName(referenceName, processor, scope, null)) {
markExpensive(project);
return null;
}
}
if (!cache.processClassesWithName(referenceName, processor, scope, null)) {
markExpensive(project);
return null;
}
return candidates;
}

17
java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/findUsages/ChainStartingWithConstructor.java Normal file
View File

@@ -0,0 +1,17 @@
class A {
void foo() {
new IterHelper<>().loopMap((k, val) -> {
//do something
});
}
}
final class IterHelper<K, V> {
public void loopMap(final MapIterCallback<K, V> callback) {
//do something
}
public static interface MapIterCallback<K, V> {
abstract void eval(K k, V v);
}
}

5
java/java-tests/testSrc/com/intellij/codeInsight/daemon/lambda/FindFunctionalInterfaceTest.java
View File

@@ -140,6 +140,11 @@ public class FindFunctionalInterfaceTest extends LightCodeInsightFixtureTestCase
assertSize(1, FunctionalExpressionSearch.search(findClass("I")).findAll());
}
public void testChainStartingWithConstructor() {
configure();
assertSize(1, FunctionalExpressionSearch.search(findClass("IterHelper.MapIterCallback")).findAll());
}
public void testDontVisitInapplicableFiles() {
PsiClass sam = myFixture.addClass("interface I { void foo(); }");
myFixture.addClass("class Some { " +