| 1 | /* |
|---|---|
| 2 | * Copyright (C) 2007-2010 Júlio Vilmar Gesser. |
| 3 | * Copyright (C) 2011, 2013-2020 The JavaParser Team. |
| 4 | * |
| 5 | * This file is part of JavaParser. |
| 6 | * |
| 7 | * JavaParser can be used either under the terms of |
| 8 | * a) the GNU Lesser General Public License as published by |
| 9 | * the Free Software Foundation, either version 3 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * b) the terms of the Apache License |
| 12 | * |
| 13 | * You should have received a copy of both licenses in LICENCE.LGPL and |
| 14 | * LICENCE.APACHE. Please refer to those files for details. |
| 15 | * |
| 16 | * JavaParser is distributed in the hope that it will be useful, |
| 17 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | * GNU Lesser General Public License for more details. |
| 20 | */ |
| 21 | package com.github.javaparser.ast.stmt; |
| 22 | |
| 23 | import com.github.javaparser.ast.AllFieldsConstructor; |
| 24 | import com.github.javaparser.ast.NodeList; |
| 25 | import com.github.javaparser.ast.expr.*; |
| 26 | import com.github.javaparser.ast.nodeTypes.NodeWithArguments; |
| 27 | import com.github.javaparser.ast.nodeTypes.NodeWithTypeArguments; |
| 28 | import com.github.javaparser.ast.observer.ObservableProperty; |
| 29 | import com.github.javaparser.ast.type.Type; |
| 30 | import com.github.javaparser.ast.visitor.GenericVisitor; |
| 31 | import com.github.javaparser.ast.visitor.VoidVisitor; |
| 32 | import java.util.Optional; |
| 33 | import static com.github.javaparser.utils.Utils.assertNotNull; |
| 34 | import com.github.javaparser.ast.Node; |
| 35 | import com.github.javaparser.ast.visitor.CloneVisitor; |
| 36 | import com.github.javaparser.metamodel.ExplicitConstructorInvocationStmtMetaModel; |
| 37 | import com.github.javaparser.metamodel.JavaParserMetaModel; |
| 38 | import com.github.javaparser.TokenRange; |
| 39 | import com.github.javaparser.metamodel.OptionalProperty; |
| 40 | import com.github.javaparser.resolution.Resolvable; |
| 41 | import com.github.javaparser.resolution.UnsolvedSymbolException; |
| 42 | import com.github.javaparser.resolution.declarations.ResolvedConstructorDeclaration; |
| 43 | import java.util.function.Consumer; |
| 44 | import com.github.javaparser.ast.Generated; |
| 45 | |
| 46 | /** |
| 47 | * A call to super or this in a constructor or initializer. |
| 48 | * <br>{@code class X { X() { super(15); } }} |
| 49 | * <br>{@code class X { X() { this(1, 2); } }} |
| 50 | * |
| 51 | * @author Julio Vilmar Gesser |
| 52 | * @see com.github.javaparser.ast.expr.SuperExpr |
| 53 | * @see com.github.javaparser.ast.expr.ThisExpr |
| 54 | */ |
| 55 | public class ExplicitConstructorInvocationStmt extends Statement implements NodeWithTypeArguments<ExplicitConstructorInvocationStmt>, NodeWithArguments<ExplicitConstructorInvocationStmt>, Resolvable<ResolvedConstructorDeclaration> { |
| 56 | |
| 57 | @OptionalProperty |
| 58 | private NodeList<Type> typeArguments; |
| 59 | |
| 60 | private boolean isThis; |
| 61 | |
| 62 | @OptionalProperty |
| 63 | private Expression expression; |
| 64 | |
| 65 | private NodeList<Expression> arguments; |
| 66 | |
| 67 | public ExplicitConstructorInvocationStmt() { |
| 68 | this(null, null, true, null, new NodeList<>()); |
| 69 | } |
| 70 | |
| 71 | public ExplicitConstructorInvocationStmt(final boolean isThis, final Expression expression, final NodeList<Expression> arguments) { |
| 72 | this(null, null, isThis, expression, arguments); |
| 73 | } |
| 74 | |
| 75 | @AllFieldsConstructor |
| 76 | public ExplicitConstructorInvocationStmt(final NodeList<Type> typeArguments, final boolean isThis, final Expression expression, final NodeList<Expression> arguments) { |
| 77 | this(null, typeArguments, isThis, expression, arguments); |
| 78 | } |
| 79 | |
| 80 | /** |
| 81 | * This constructor is used by the parser and is considered private. |
| 82 | */ |
| 83 | @Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator") |
| 84 | public ExplicitConstructorInvocationStmt(TokenRange tokenRange, NodeList<Type> typeArguments, boolean isThis, Expression expression, NodeList<Expression> arguments) { |
| 85 | super(tokenRange); |
| 86 | setTypeArguments(typeArguments); |
| 87 | setThis(isThis); |
| 88 | setExpression(expression); |
| 89 | setArguments(arguments); |
| 90 | customInitialization(); |
| 91 | } |
| 92 | |
| 93 | @Override |
| 94 | @Generated("com.github.javaparser.generator.core.node.AcceptGenerator") |
| 95 | public <R, A> R accept(final GenericVisitor<R, A> v, final A arg) { |
| 96 | return v.visit(this, arg); |
| 97 | } |
| 98 | |
| 99 | @Override |
| 100 | @Generated("com.github.javaparser.generator.core.node.AcceptGenerator") |
| 101 | public <A> void accept(final VoidVisitor<A> v, final A arg) { |
| 102 | v.visit(this, arg); |
| 103 | } |
| 104 | |
| 105 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
| 106 | public NodeList<Expression> getArguments() { |
| 107 | return arguments; |
| 108 | } |
| 109 | |
| 110 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
| 111 | public Optional<Expression> getExpression() { |
| 112 | return Optional.ofNullable(expression); |
| 113 | } |
| 114 | |
| 115 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
| 116 | public boolean isThis() { |
| 117 | return isThis; |
| 118 | } |
| 119 | |
| 120 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
| 121 | public ExplicitConstructorInvocationStmt setArguments(final NodeList<Expression> arguments) { |
| 122 | assertNotNull(arguments); |
| 123 | if (arguments == this.arguments) { |
| 124 | return (ExplicitConstructorInvocationStmt) this; |
| 125 | } |
| 126 | notifyPropertyChange(ObservableProperty.ARGUMENTS, this.arguments, arguments); |
| 127 | if (this.arguments != null) |
| 128 | this.arguments.setParentNode(null); |
| 129 | this.arguments = arguments; |
| 130 | setAsParentNodeOf(arguments); |
| 131 | return this; |
| 132 | } |
| 133 | |
| 134 | /** |
| 135 | * Sets the expression |
| 136 | * |
| 137 | * @param expression the expression, can be null |
| 138 | * @return this, the ExplicitConstructorInvocationStmt |
| 139 | */ |
| 140 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
| 141 | public ExplicitConstructorInvocationStmt setExpression(final Expression expression) { |
| 142 | if (expression == this.expression) { |
| 143 | return (ExplicitConstructorInvocationStmt) this; |
| 144 | } |
| 145 | notifyPropertyChange(ObservableProperty.EXPRESSION, this.expression, expression); |
| 146 | if (this.expression != null) |
| 147 | this.expression.setParentNode(null); |
| 148 | this.expression = expression; |
| 149 | setAsParentNodeOf(expression); |
| 150 | return this; |
| 151 | } |
| 152 | |
| 153 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
| 154 | public ExplicitConstructorInvocationStmt setThis(final boolean isThis) { |
| 155 | if (isThis == this.isThis) { |
| 156 | return (ExplicitConstructorInvocationStmt) this; |
| 157 | } |
| 158 | notifyPropertyChange(ObservableProperty.THIS, this.isThis, isThis); |
| 159 | this.isThis = isThis; |
| 160 | return this; |
| 161 | } |
| 162 | |
| 163 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
| 164 | public Optional<NodeList<Type>> getTypeArguments() { |
| 165 | return Optional.ofNullable(typeArguments); |
| 166 | } |
| 167 | |
| 168 | /** |
| 169 | * Sets the typeArguments |
| 170 | * |
| 171 | * @param typeArguments the typeArguments, can be null |
| 172 | * @return this, the ExplicitConstructorInvocationStmt |
| 173 | */ |
| 174 | @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") |
| 175 | public ExplicitConstructorInvocationStmt setTypeArguments(final NodeList<Type> typeArguments) { |
| 176 | if (typeArguments == this.typeArguments) { |
| 177 | return (ExplicitConstructorInvocationStmt) this; |
| 178 | } |
| 179 | notifyPropertyChange(ObservableProperty.TYPE_ARGUMENTS, this.typeArguments, typeArguments); |
| 180 | if (this.typeArguments != null) |
| 181 | this.typeArguments.setParentNode(null); |
| 182 | this.typeArguments = typeArguments; |
| 183 | setAsParentNodeOf(typeArguments); |
| 184 | return this; |
| 185 | } |
| 186 | |
| 187 | @Override |
| 188 | @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator") |
| 189 | public boolean remove(Node node) { |
| 190 | if (node == null) |
| 191 | return false; |
| 192 | for (int i = 0; i < arguments.size(); i++) { |
| 193 | if (arguments.get(i) == node) { |
| 194 | arguments.remove(i); |
| 195 | return true; |
| 196 | } |
| 197 | } |
| 198 | if (expression != null) { |
| 199 | if (node == expression) { |
| 200 | removeExpression(); |
| 201 | return true; |
| 202 | } |
| 203 | } |
| 204 | if (typeArguments != null) { |
| 205 | for (int i = 0; i < typeArguments.size(); i++) { |
| 206 | if (typeArguments.get(i) == node) { |
| 207 | typeArguments.remove(i); |
| 208 | return true; |
| 209 | } |
| 210 | } |
| 211 | } |
| 212 | return super.remove(node); |
| 213 | } |
| 214 | |
| 215 | @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator") |
| 216 | public ExplicitConstructorInvocationStmt removeExpression() { |
| 217 | return setExpression((Expression) null); |
| 218 | } |
| 219 | |
| 220 | @Override |
| 221 | @Generated("com.github.javaparser.generator.core.node.CloneGenerator") |
| 222 | public ExplicitConstructorInvocationStmt clone() { |
| 223 | return (ExplicitConstructorInvocationStmt) accept(new CloneVisitor(), null); |
| 224 | } |
| 225 | |
| 226 | @Override |
| 227 | @Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator") |
| 228 | public ExplicitConstructorInvocationStmtMetaModel getMetaModel() { |
| 229 | return JavaParserMetaModel.explicitConstructorInvocationStmtMetaModel; |
| 230 | } |
| 231 | |
| 232 | @Override |
| 233 | @Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator") |
| 234 | public boolean replace(Node node, Node replacementNode) { |
| 235 | if (node == null) |
| 236 | return false; |
| 237 | for (int i = 0; i < arguments.size(); i++) { |
| 238 | if (arguments.get(i) == node) { |
| 239 | arguments.set(i, (Expression) replacementNode); |
| 240 | return true; |
| 241 | } |
| 242 | } |
| 243 | if (expression != null) { |
| 244 | if (node == expression) { |
| 245 | setExpression((Expression) replacementNode); |
| 246 | return true; |
| 247 | } |
| 248 | } |
| 249 | if (typeArguments != null) { |
| 250 | for (int i = 0; i < typeArguments.size(); i++) { |
| 251 | if (typeArguments.get(i) == node) { |
| 252 | typeArguments.set(i, (Type) replacementNode); |
| 253 | return true; |
| 254 | } |
| 255 | } |
| 256 | } |
| 257 | return super.replace(node, replacementNode); |
| 258 | } |
| 259 | |
| 260 | @Override |
| 261 | @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator") |
| 262 | public boolean isExplicitConstructorInvocationStmt() { |
| 263 | return true; |
| 264 | } |
| 265 | |
| 266 | @Override |
| 267 | @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator") |
| 268 | public ExplicitConstructorInvocationStmt asExplicitConstructorInvocationStmt() { |
| 269 | return this; |
| 270 | } |
| 271 | |
| 272 | @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator") |
| 273 | public void ifExplicitConstructorInvocationStmt(Consumer<ExplicitConstructorInvocationStmt> action) { |
| 274 | action.accept(this); |
| 275 | } |
| 276 | |
| 277 | /** |
| 278 | * Attempts to resolve the declaration corresponding to the invoked constructor. If successful, a |
| 279 | * {@link ResolvedConstructorDeclaration} representing the declaration of the constructor invoked by this |
| 280 | * {@code ExplicitConstructorInvocationStmt} is returned. Otherwise, an {@link UnsolvedSymbolException} is thrown. |
| 281 | * |
| 282 | * @return a {@link ResolvedConstructorDeclaration} representing the declaration of the invoked constructor. |
| 283 | * @throws UnsolvedSymbolException if the declaration corresponding to the explicit constructor invocation statement |
| 284 | * could not be resolved. |
| 285 | * @see NameExpr#resolve() |
| 286 | * @see FieldAccessExpr#resolve() |
| 287 | * @see MethodCallExpr#resolve() |
| 288 | * @see ObjectCreationExpr#resolve() |
| 289 | */ |
| 290 | public ResolvedConstructorDeclaration resolve() { |
| 291 | return getSymbolResolver().resolveDeclaration(this, ResolvedConstructorDeclaration.class); |
| 292 | } |
| 293 | |
| 294 | @Override |
| 295 | @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator") |
| 296 | public Optional<ExplicitConstructorInvocationStmt> toExplicitConstructorInvocationStmt() { |
| 297 | return Optional.of(this); |
| 298 | } |
| 299 | } |
| 300 |
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