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Saving order of super functions in SignaturesPropagation.

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This commit is contained in:
Evgeny Gerashchenko
2012-11-20 20:37:11 +04:00
parent 37cfb2fcc0
commit 4b465afdfa
1 changed files with 28 additions and 14 deletions
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compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/kotlinSignature/SignaturesPropagation.java
+28 -14
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@@ -20,21 +20,22 @@ import com.google.common.collect.Lists;
import com.google.common.collect.Multimap;
import com.google.common.collect.Sets;
import com.intellij.psi.HierarchicalMethodSignature;
import com.intellij.util.Function;
import com.intellij.util.containers.ContainerUtil;
import jet.Function1;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.jet.lang.descriptors.*;
import org.jetbrains.jet.lang.resolve.BindingContext;
import org.jetbrains.jet.lang.resolve.BindingTrace;
import org.jetbrains.jet.lang.resolve.DescriptorUtils;
import org.jetbrains.jet.lang.resolve.java.CollectionClassMapping;
import org.jetbrains.jet.lang.resolve.java.wrapper.PsiMethodWrapper;
import org.jetbrains.jet.lang.resolve.name.FqNameUnsafe;
import org.jetbrains.jet.lang.resolve.scopes.JetScope;
import org.jetbrains.jet.lang.types.*;
import org.jetbrains.jet.lang.types.checker.TypeCheckingProcedure;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import java.util.*;
public class SignaturesPropagation {
public static JetType modifyReturnTypeAccordingToSuperMethods(
@@ -43,10 +44,13 @@ public class SignaturesPropagation {
@NotNull BindingTrace trace,
@NotNull Function1<String, Void> reportError
) {
Set<JetType> typesFromSuperMethods = Sets.newHashSet();
for (FunctionDescriptor superFunction : getSuperFunctionsForMethod(method, trace)) {
typesFromSuperMethods.add(superFunction.getReturnType());
}
List<JetType> typesFromSuperMethods = ContainerUtil.map(getSuperFunctionsForMethod(method, trace),
new Function<FunctionDescriptor, JetType>() {
@Override
public JetType fun(FunctionDescriptor superFunction) {
return superFunction.getReturnType();
}
});
return modifyReturnTypeAccordingToSuperMethods(autoType, typesFromSuperMethods, true, reportError);
}
@@ -73,6 +77,16 @@ public class SignaturesPropagation {
// + method.getPsiMethod().getContainingClass();
}
}
// sorting for diagnostic stability
Collections.sort(superFunctions, new Comparator<FunctionDescriptor>() {
@Override
public int compare(FunctionDescriptor fun1, FunctionDescriptor fun2) {
FqNameUnsafe fqName1 = DescriptorUtils.getFQName(fun1.getContainingDeclaration());
FqNameUnsafe fqName2 = DescriptorUtils.getFQName(fun2.getContainingDeclaration());
return fqName1.getFqName().compareTo(fqName2.getFqName());
}
});
return superFunctions;
}
@@ -80,7 +94,7 @@ public class SignaturesPropagation {
@NotNull
private static JetType modifyReturnTypeAccordingToSuperMethods(
@NotNull JetType autoType,
@NotNull Collection<JetType> typesFromSuper,
@NotNull List<JetType> typesFromSuper,
boolean covariantPosition,
@NotNull Function1<String, Void> reportError
) {
@@ -109,7 +123,7 @@ public class SignaturesPropagation {
@NotNull
private static List<TypeProjection> getTypeArgsOfReturnType(
@NotNull JetType autoType,
@NotNull Collection<JetType> typesFromSuper,
@NotNull List<JetType> typesFromSuper,
@NotNull Function1<String, Void> reportError
) {
TypeConstructor typeConstructor = autoType.getConstructor();
@@ -134,7 +148,7 @@ public class SignaturesPropagation {
JetType argumentType = argument.getType();
List<TypeProjection> projectionsFromSuper = typeArgumentsFromSuper.get(parameter.getIndex());
Collection<JetType> argTypesFromSuper = getTypes(projectionsFromSuper);
List<JetType> argTypesFromSuper = getTypes(projectionsFromSuper);
boolean covariantPosition = effectiveProjectionKind == TypeCheckingProcedure.EnrichedProjectionKind.OUT;
JetType type = modifyReturnTypeAccordingToSuperMethods(argumentType, argTypesFromSuper, covariantPosition, reportError);
@@ -150,7 +164,7 @@ public class SignaturesPropagation {
@NotNull List<TypeProjection> projectionsFromSuper,
@NotNull Function1<String, Void> reportError
) {
Set<Variance> projectionKindsInSuper = Sets.newHashSet();
Set<Variance> projectionKindsInSuper = Sets.newLinkedHashSet();
for (TypeProjection projection : projectionsFromSuper) {
projectionKindsInSuper.add(projection.getProjectionKind());
}
@@ -242,7 +256,7 @@ public class SignaturesPropagation {
private static boolean returnTypeMustBeNullable(
@NotNull JetType autoType,
@NotNull Collection<JetType> typesFromSuper,
@NotNull List<JetType> typesFromSuper,
boolean covariantPosition,
@NotNull Function1<String, Void> reportError
) {
@@ -276,7 +290,7 @@ public class SignaturesPropagation {
}
@NotNull
private static ClassifierDescriptor getReturnTypeClassifier(@NotNull JetType autoType, @NotNull Collection<JetType> typesFromSuper) {
private static ClassifierDescriptor getReturnTypeClassifier(@NotNull JetType autoType, @NotNull List<JetType> typesFromSuper) {
ClassifierDescriptor classifier = autoType.getConstructor().getDeclarationDescriptor();
if (!(classifier instanceof ClassDescriptor)) {
assert classifier != null : "no declaration descriptor for type " + autoType;