Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
5dce72a
commit 536d89f
Showing
3 changed files
with
88 additions
and
100 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
84 changes: 84 additions & 0 deletions
84
...ver-logic/src/main/java/com/github/javaparser/symbolsolver/logic/TypeParametersLogic.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Original file line | Diff line number | Diff line change |
|---|---|---|---|
| @@ -0,0 +1,84 @@ | |||
| /* | |||
| * Copyright 2016 Federico Tomassetti | |||
| * | |||
| * Licensed under the Apache License, Version 2.0 (the "License"); | |||
| * you may not use this file except in compliance with the License. | |||
| * You may obtain a copy of the License at | |||
| * | |||
| * http://www.apache.org/licenses/LICENSE-2.0 | |||
| * | |||
| * Unless required by applicable law or agreed to in writing, software | |||
| * distributed under the License is distributed on an "AS IS" BASIS, | |||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |||
| * See the License for the specific language governing permissions and | |||
| * limitations under the License. | |||
| */ | |||
|
|
|||
| package com.github.javaparser.symbolsolver.logic; | |||
|
|
|||
| import com.github.javaparser.symbolsolver.model.declarations.TypeParameterDeclaration; | |||
| import com.github.javaparser.symbolsolver.model.resolution.TypeSolver; | |||
| import com.github.javaparser.symbolsolver.model.usages.typesystem.ReferenceType; | |||
| import com.github.javaparser.symbolsolver.model.usages.typesystem.Type; | |||
| import com.github.javaparser.symbolsolver.model.usages.typesystem.Wildcard; | |||
|
|
|||
| import java.util.List; | |||
| import java.util.Map; | |||
| import java.util.stream.Collectors; | |||
|
|
|||
| /** | |||
| * @author Federico Tomassetti | |||
| */ | |||
| public class TypeParametersLogic { | |||
|
|
|||
| private TypeParametersLogic() { | |||
| // prevent instantiation | |||
| } | |||
|
|
|||
| public static void determineTypeParameters(Map<TypeParameterDeclaration, Type> determinedTypeParameters, Type formalParamType, Type actualParamType, TypeSolver typeSolver) { | |||
| if (actualParamType.isNull()) { | |||
| return; | |||
| } | |||
| if (actualParamType.isTypeVariable()) { | |||
| return; | |||
| } | |||
| if (formalParamType.isTypeVariable()) { | |||
| determinedTypeParameters.put(formalParamType.asTypeParameter(), actualParamType); | |||
| return; | |||
| } | |||
| if (formalParamType instanceof Wildcard) { | |||
| return; | |||
| } | |||
| if (formalParamType.isArray() && actualParamType.isArray()) { | |||
| determineTypeParameters( | |||
| determinedTypeParameters, | |||
| formalParamType.asArrayType().getComponentType(), | |||
| actualParamType.asArrayType().getComponentType(), | |||
| typeSolver); | |||
| return; | |||
| } | |||
| if (formalParamType.isReferenceType() && actualParamType.isReferenceType() | |||
| && !formalParamType.asReferenceType().getQualifiedName().equals(actualParamType.asReferenceType().getQualifiedName())) { | |||
| List<ReferenceType> ancestors = actualParamType.asReferenceType().getAllAncestors(); | |||
| final String formalParamTypeQName = formalParamType.asReferenceType().getQualifiedName(); | |||
| List<Type> correspondingFormalType = ancestors.stream().filter((a) -> a.getQualifiedName().equals(formalParamTypeQName)).collect(Collectors.toList()); | |||
| if (correspondingFormalType.isEmpty()) { | |||
| throw new IllegalArgumentException(); | |||
| } | |||
| actualParamType = correspondingFormalType.get(0); | |||
| } | |||
| if (formalParamType.isReferenceType() && actualParamType.isReferenceType()) { | |||
| if (formalParamType.asReferenceType().isRawType() || actualParamType.asReferenceType().isRawType()) { | |||
| return; | |||
| } | |||
| List<Type> formalTypeParams = formalParamType.asReferenceType().typeParametersValues(); | |||
| List<Type> actualTypeParams = actualParamType.asReferenceType().typeParametersValues(); | |||
| if (formalTypeParams.size() != actualTypeParams.size()) { | |||
| throw new UnsupportedOperationException(); | |||
| } | |||
| for (int i = 0; i < formalTypeParams.size(); i++) { | |||
| determineTypeParameters(determinedTypeParameters, formalTypeParams.get(i), actualTypeParams.get(i), typeSolver); | |||
| } | |||
| } | |||
| } | |||
| } | |||