001 /*
002 * Copyright 2010-2013 JetBrains s.r.o.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017 package org.jetbrains.jet.lang.resolve.java.resolver;
018
019 import com.intellij.openapi.project.Project;
020 import org.jetbrains.annotations.NotNull;
021 import org.jetbrains.annotations.Nullable;
022 import org.jetbrains.jet.lang.descriptors.CallableMemberDescriptor;
023 import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
024 import org.jetbrains.jet.lang.descriptors.TypeParameterDescriptor;
025 import org.jetbrains.jet.lang.descriptors.ValueParameterDescriptor;
026 import org.jetbrains.jet.lang.resolve.BindingTrace;
027 import org.jetbrains.jet.lang.resolve.java.JavaBindingContext;
028 import org.jetbrains.jet.lang.resolve.java.kotlinSignature.AlternativeFieldSignatureData;
029 import org.jetbrains.jet.lang.resolve.java.kotlinSignature.AlternativeMethodSignatureData;
030 import org.jetbrains.jet.lang.resolve.java.kotlinSignature.SignaturesPropagationData;
031 import org.jetbrains.jet.lang.resolve.java.structure.JavaField;
032 import org.jetbrains.jet.lang.resolve.java.structure.JavaMethod;
033 import org.jetbrains.jet.lang.types.JetType;
034
035 import javax.inject.Inject;
036 import java.util.Collections;
037 import java.util.List;
038
039 public class TraceBasedExternalSignatureResolver implements ExternalSignatureResolver {
040 private BindingTrace trace;
041 private ExternalAnnotationResolver externalAnnotationResolver;
042 private Project project;
043
044 @Inject
045 public void setTrace(BindingTrace trace) {
046 this.trace = trace;
047 }
048
049 @Inject
050 public void setExternalAnnotationResolver(ExternalAnnotationResolver externalAnnotationResolver) {
051 this.externalAnnotationResolver = externalAnnotationResolver;
052 }
053
054 @Inject
055 public void setProject(Project project) {
056 this.project = project;
057 }
058
059 @Override
060 @NotNull
061 public PropagatedMethodSignature resolvePropagatedSignature(
062 @NotNull JavaMethod method,
063 @NotNull ClassDescriptor owner,
064 @NotNull JetType returnType,
065 @Nullable JetType receiverType,
066 @NotNull List<ValueParameterDescriptor> valueParameters,
067 @NotNull List<TypeParameterDescriptor> typeParameters
068 ) {
069 SignaturesPropagationData data =
070 new SignaturesPropagationData(owner, returnType, receiverType, valueParameters, typeParameters, method);
071 return new PropagatedMethodSignature(data.getModifiedReturnType(), data.getModifiedReceiverType(),
072 data.getModifiedValueParameters(), data.getModifiedTypeParameters(), data.getSignatureErrors(),
073 data.getModifiedHasStableParameterNames(), data.getSuperFunctions());
074 }
075
076 @Override
077 @NotNull
078 public AlternativeMethodSignature resolveAlternativeMethodSignature(
079 @NotNull JavaMethod method,
080 boolean hasSuperMethods,
081 @Nullable JetType returnType,
082 @Nullable JetType receiverType,
083 @NotNull List<ValueParameterDescriptor> valueParameters,
084 @NotNull List<TypeParameterDescriptor> typeParameters,
085 boolean hasStableParameterNames
086 ) {
087 AlternativeMethodSignatureData data =
088 new AlternativeMethodSignatureData(externalAnnotationResolver, method, receiverType, project, valueParameters, returnType,
089 typeParameters, hasSuperMethods);
090
091 if (data.isAnnotated() && !data.hasErrors()) {
092 return new AlternativeMethodSignature(data.getReturnType(), receiverType, data.getValueParameters(), data.getTypeParameters(),
093 Collections.<String>emptyList(), true);
094 }
095
096 List<String> error = data.hasErrors() ? Collections.singletonList(data.getError()) : Collections.<String>emptyList();
097 return new AlternativeMethodSignature(returnType, receiverType, valueParameters, typeParameters, error, hasStableParameterNames);
098 }
099
100 @Override
101 @NotNull
102 public AlternativeFieldSignature resolveAlternativeFieldSignature(
103 @NotNull JavaField field,
104 @NotNull JetType returnType,
105 boolean isVar
106 ) {
107 AlternativeFieldSignatureData data =
108 new AlternativeFieldSignatureData(externalAnnotationResolver, field, returnType, project, isVar);
109
110 if (data.isAnnotated() && !data.hasErrors()) {
111 return new AlternativeFieldSignature(data.getReturnType(), null);
112 }
113
114 String error = data.hasErrors() ? data.getError() : null;
115 return new AlternativeFieldSignature(returnType, error);
116 }
117
118 @Override
119 public void reportSignatureErrors(@NotNull CallableMemberDescriptor descriptor, @NotNull List<String> signatureErrors) {
120 trace.record(JavaBindingContext.LOAD_FROM_JAVA_SIGNATURE_ERRORS, descriptor, signatureErrors);
121 }
122 }