diff options
Diffstat (limited to 'javaparser-core/src/main/java/com/github/javaparser/ast/expr/ThisExpr.java')
-rw-r--r-- | javaparser-core/src/main/java/com/github/javaparser/ast/expr/ThisExpr.java | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/expr/ThisExpr.java b/javaparser-core/src/main/java/com/github/javaparser/ast/expr/ThisExpr.java new file mode 100644 index 000000000..dc9981d82 --- /dev/null +++ b/javaparser-core/src/main/java/com/github/javaparser/ast/expr/ThisExpr.java @@ -0,0 +1,176 @@ +/* + * Copyright (C) 2007-2010 JĂșlio Vilmar Gesser. + * Copyright (C) 2011, 2013-2016 The JavaParser Team. + * + * This file is part of JavaParser. + * + * JavaParser can be used either under the terms of + * a) the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * b) the terms of the Apache License + * + * You should have received a copy of both licenses in LICENCE.LGPL and + * LICENCE.APACHE. Please refer to those files for details. + * + * JavaParser is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + */ +package com.github.javaparser.ast.expr; + +import com.github.javaparser.ast.AllFieldsConstructor; +import com.github.javaparser.ast.body.TypeDeclaration; +import com.github.javaparser.ast.observer.ObservableProperty; +import com.github.javaparser.ast.visitor.GenericVisitor; +import com.github.javaparser.ast.visitor.VoidVisitor; +import java.util.Optional; +import com.github.javaparser.ast.Node; +import com.github.javaparser.ast.visitor.CloneVisitor; +import com.github.javaparser.metamodel.OptionalProperty; +import com.github.javaparser.metamodel.ThisExprMetaModel; +import com.github.javaparser.metamodel.JavaParserMetaModel; +import javax.annotation.Generated; +import com.github.javaparser.TokenRange; +import com.github.javaparser.resolution.Resolvable; +import com.github.javaparser.resolution.declarations.ResolvedConstructorDeclaration; +import com.github.javaparser.resolution.declarations.ResolvedTypeDeclaration; +import java.util.function.Consumer; + +/** + * An occurrence of the "this" keyword. <br/><code>World.this.greet()</code> is a MethodCallExpr of method name greet, + * and scope "World.super" which is a ThisExpr with classExpr "World". <br/><code>this.name</code> is a + * FieldAccessExpr of field greet, and a ThisExpr as its scope. The ThisExpr has no classExpr. + * + * @author Julio Vilmar Gesser + * @see com.github.javaparser.ast.stmt.ExplicitConstructorInvocationStmt + * @see ThisExpr + */ +public final class ThisExpr extends Expression implements Resolvable<ResolvedTypeDeclaration> { + + @OptionalProperty + private Expression classExpr; + + public ThisExpr() { + this(null, null); + } + + @AllFieldsConstructor + public ThisExpr(final Expression classExpr) { + this(null, classExpr); + } + + /** + * This constructor is used by the parser and is considered private. + */ + @Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator") + public ThisExpr(TokenRange tokenRange, Expression classExpr) { + super(tokenRange); + setClassExpr(classExpr); + customInitialization(); + } + + @Override + @Generated("com.github.javaparser.generator.core.node.AcceptGenerator") + public <R, A> R accept(final GenericVisitor<R, A> v, final A arg) { + return v.visit(this, arg); + } + + @Override + @Generated("com.github.javaparser.generator.core.node.AcceptGenerator") + public <A> void accept(final VoidVisitor<A> v, final A arg) { + v.visit(this, arg); + } + + @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") + public Optional<Expression> getClassExpr() { + return Optional.ofNullable(classExpr); + } + + @Generated("com.github.javaparser.generator.core.node.PropertyGenerator") + public ThisExpr setClassExpr(final Expression classExpr) { + if (classExpr == this.classExpr) { + return (ThisExpr) this; + } + notifyPropertyChange(ObservableProperty.CLASS_EXPR, this.classExpr, classExpr); + if (this.classExpr != null) + this.classExpr.setParentNode(null); + this.classExpr = classExpr; + setAsParentNodeOf(classExpr); + return this; + } + + @Override + @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator") + public boolean remove(Node node) { + if (node == null) + return false; + if (classExpr != null) { + if (node == classExpr) { + removeClassExpr(); + return true; + } + } + return super.remove(node); + } + + @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator") + public ThisExpr removeClassExpr() { + return setClassExpr((Expression) null); + } + + @Override + @Generated("com.github.javaparser.generator.core.node.CloneGenerator") + public ThisExpr clone() { + return (ThisExpr) accept(new CloneVisitor(), null); + } + + @Override + @Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator") + public ThisExprMetaModel getMetaModel() { + return JavaParserMetaModel.thisExprMetaModel; + } + + @Override + @Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator") + public boolean replace(Node node, Node replacementNode) { + if (node == null) + return false; + if (classExpr != null) { + if (node == classExpr) { + setClassExpr((Expression) replacementNode); + return true; + } + } + return super.replace(node, replacementNode); + } + + @Override + @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator") + public boolean isThisExpr() { + return true; + } + + @Override + @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator") + public ThisExpr asThisExpr() { + return this; + } + + @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator") + public void ifThisExpr(Consumer<ThisExpr> action) { + action.accept(this); + } + + @Override + public ResolvedTypeDeclaration resolve() { + return getSymbolResolver().resolveDeclaration(this, ResolvedTypeDeclaration.class); + } + + @Override + @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator") + public Optional<ThisExpr> toThisExpr() { + return Optional.of(this); + } +} |