| /* |
| * 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.javaparsermodel.contexts; |
| |
| import com.github.javaparser.ast.expr.Expression; |
| import com.github.javaparser.ast.expr.FieldAccessExpr; |
| import com.github.javaparser.ast.expr.ThisExpr; |
| import com.github.javaparser.resolution.declarations.ResolvedMethodDeclaration; |
| import com.github.javaparser.resolution.declarations.ResolvedReferenceTypeDeclaration; |
| import com.github.javaparser.resolution.declarations.ResolvedTypeDeclaration; |
| import com.github.javaparser.resolution.declarations.ResolvedValueDeclaration; |
| import com.github.javaparser.resolution.declarations.ResolvedFieldDeclaration; |
| import com.github.javaparser.resolution.types.ResolvedPrimitiveType; |
| import com.github.javaparser.resolution.types.ResolvedType; |
| import com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFacade; |
| import com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFactory; |
| import com.github.javaparser.symbolsolver.model.resolution.SymbolReference; |
| import com.github.javaparser.symbolsolver.model.resolution.TypeSolver; |
| import com.github.javaparser.symbolsolver.model.resolution.Value; |
| import com.github.javaparser.symbolsolver.resolution.SymbolSolver; |
| |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Optional; |
| |
| import static com.github.javaparser.symbolsolver.javaparser.Navigator.getParentNode; |
| import static com.github.javaparser.symbolsolver.javaparser.Navigator.requireParentNode; |
| |
| /** |
| * @author Federico Tomassetti |
| */ |
| public class FieldAccessContext extends AbstractJavaParserContext<FieldAccessExpr> { |
| |
| private static final String ARRAY_LENGTH_FIELD_NAME = "length"; |
| |
| public FieldAccessContext(FieldAccessExpr wrappedNode, TypeSolver typeSolver) { |
| super(wrappedNode, typeSolver); |
| } |
| |
| @Override |
| public SymbolReference<? extends ResolvedValueDeclaration> solveSymbol(String name, TypeSolver typeSolver) { |
| if (wrappedNode.getName().toString().equals(name)) { |
| if (wrappedNode.getScope() instanceof ThisExpr) { |
| ResolvedType typeOfThis = JavaParserFacade.get(typeSolver).getTypeOfThisIn(wrappedNode); |
| return new SymbolSolver(typeSolver).solveSymbolInType(typeOfThis.asReferenceType().getTypeDeclaration(), name); |
| } |
| } |
| return JavaParserFactory.getContext(requireParentNode(wrappedNode), typeSolver).solveSymbol(name, typeSolver); |
| } |
| |
| @Override |
| public SymbolReference<ResolvedTypeDeclaration> solveType(String name, TypeSolver typeSolver) { |
| return JavaParserFactory.getContext(requireParentNode(wrappedNode), typeSolver).solveType(name, typeSolver); |
| } |
| |
| @Override |
| public SymbolReference<ResolvedMethodDeclaration> solveMethod(String name, List<ResolvedType> parameterTypes, boolean staticOnly, TypeSolver typeSolver) { |
| return JavaParserFactory.getContext(requireParentNode(wrappedNode), typeSolver).solveMethod(name, parameterTypes, false, typeSolver); |
| } |
| |
| @Override |
| public Optional<Value> solveSymbolAsValue(String name, TypeSolver typeSolver) { |
| Expression scope = wrappedNode.getScope(); |
| if (wrappedNode.getName().toString().equals(name)) { |
| ResolvedType typeOfScope = JavaParserFacade.get(typeSolver).getType(scope); |
| if (typeOfScope.isArray() && name.equals(ARRAY_LENGTH_FIELD_NAME)) { |
| return Optional.of(new Value(ResolvedPrimitiveType.INT, ARRAY_LENGTH_FIELD_NAME)); |
| } |
| if (typeOfScope.isReferenceType()) { |
| Optional<ResolvedType> typeUsage = typeOfScope.asReferenceType().getFieldType(name); |
| return typeUsage.map(resolvedType -> new Value(resolvedType, name)); |
| } else { |
| return Optional.empty(); |
| } |
| } else { |
| return getParent().solveSymbolAsValue(name, typeSolver); |
| } |
| } |
| |
| public SymbolReference<ResolvedFieldDeclaration> solveField(String name, TypeSolver typeSolver) { |
| Collection<ResolvedReferenceTypeDeclaration> rrtds = findTypeDeclarations(Optional.of(wrappedNode.getScope()), typeSolver); |
| for (ResolvedReferenceTypeDeclaration rrtd : rrtds) { |
| try { |
| return SymbolReference.solved(rrtd.getField(wrappedNode.getName().getId())); |
| } catch (Throwable t) { |
| } |
| } |
| return SymbolReference.unsolved(ResolvedFieldDeclaration.class); |
| } |
| } |