| /* |
| * 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.Node; |
| import com.github.javaparser.ast.expr.Expression; |
| import com.github.javaparser.ast.expr.FieldAccessExpr; |
| import com.github.javaparser.ast.expr.MethodCallExpr; |
| import com.github.javaparser.symbolsolver.core.resolution.Context; |
| import com.github.javaparser.symbolsolver.javaparsermodel.JavaParserFactory; |
| import com.github.javaparser.symbolsolver.model.declarations.ValueDeclaration; |
| 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.model.typesystem.Type; |
| import com.github.javaparser.symbolsolver.resolution.SymbolDeclarator; |
| |
| import java.util.Optional; |
| |
| import static com.github.javaparser.symbolsolver.javaparser.Navigator.getParentNode; |
| |
| /** |
| * @author Federico Tomassetti |
| */ |
| public abstract class AbstractJavaParserContext<N extends Node> implements Context { |
| |
| protected N wrappedNode; |
| protected TypeSolver typeSolver; |
| |
| /// |
| /// Static methods |
| /// |
| |
| public static final SymbolReference<ValueDeclaration> solveWith(SymbolDeclarator symbolDeclarator, String name) { |
| for (ValueDeclaration decl : symbolDeclarator.getSymbolDeclarations()) { |
| if (decl.getName().equals(name)) { |
| return SymbolReference.solved(decl); |
| } |
| } |
| return SymbolReference.unsolved(ValueDeclaration.class); |
| } |
| |
| /// |
| /// Constructors |
| /// |
| |
| public AbstractJavaParserContext(N wrappedNode, TypeSolver typeSolver) { |
| if (wrappedNode == null) { |
| throw new NullPointerException(); |
| } |
| this.wrappedNode = wrappedNode; |
| this.typeSolver = typeSolver; |
| } |
| |
| /// |
| /// Public methods |
| /// |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (o == null || getClass() != o.getClass()) return false; |
| |
| AbstractJavaParserContext<?> that = (AbstractJavaParserContext<?>) o; |
| |
| if (wrappedNode != null ? !wrappedNode.equals(that.wrappedNode) : that.wrappedNode != null) return false; |
| |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| return wrappedNode != null ? wrappedNode.hashCode() : 0; |
| } |
| |
| @Override |
| public Optional<Type> solveGenericType(String name, TypeSolver typeSolver) { |
| Context parent = getParent(); |
| if (parent == null) { |
| return Optional.empty(); |
| } else { |
| return parent.solveGenericType(name, typeSolver); |
| } |
| } |
| |
| @Override |
| public final Context getParent() { |
| if (getParentNode(wrappedNode) instanceof MethodCallExpr) { |
| MethodCallExpr parentCall = (MethodCallExpr) getParentNode(wrappedNode); |
| boolean found = false; |
| if (parentCall.getArguments() != null) { |
| for (Expression expression : parentCall.getArguments()) { |
| if (expression == wrappedNode) { |
| found = true; |
| } |
| } |
| } |
| if (found) { |
| Node notMethod = getParentNode(wrappedNode); |
| while (notMethod instanceof MethodCallExpr) { |
| notMethod = getParentNode(notMethod); |
| } |
| return JavaParserFactory.getContext(notMethod, typeSolver); |
| } |
| } |
| Node notMethod = getParentNode(wrappedNode); |
| while (notMethod instanceof MethodCallExpr || notMethod instanceof FieldAccessExpr) { |
| notMethod = getParentNode(notMethod); |
| } |
| return JavaParserFactory.getContext(notMethod, typeSolver); |
| } |
| |
| /// |
| /// Protected methods |
| /// |
| |
| protected Optional<Value> solveWithAsValue(SymbolDeclarator symbolDeclarator, String name, TypeSolver typeSolver) { |
| return symbolDeclarator.getSymbolDeclarations().stream() |
| .filter(d -> d.getName().equals(name)) |
| .map(d -> Value.from(d)) |
| .findFirst(); |
| } |
| |
| } |