1 files changed, 220 insertions, 0 deletions
diff --git a/javaparser-core/src/main/java/com/github/javaparser/ast/expr/UnaryExpr.java b/javaparser-core/src/main/java/com/github/javaparser/ast/expr/UnaryExpr.java
new file mode 100644
index 000000000..4008544d9
--- /dev/null
+++ b/javaparser-core/src/main/java/com/github/javaparser/ast/expr/UnaryExpr.java
@@ -0,0 +1,220 @@
+/*
+ * Copyright (C) 2007-2010 Júlio 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.nodeTypes.NodeWithExpression;
+import com.github.javaparser.ast.observer.ObservableProperty;
+import com.github.javaparser.ast.visitor.GenericVisitor;
+import com.github.javaparser.ast.visitor.VoidVisitor;
+import static com.github.javaparser.utils.Utils.assertNotNull;
+import com.github.javaparser.ast.Node;
+import com.github.javaparser.ast.visitor.CloneVisitor;
+import com.github.javaparser.metamodel.DerivedProperty;
+import com.github.javaparser.metamodel.UnaryExprMetaModel;
+import com.github.javaparser.metamodel.JavaParserMetaModel;
+import com.github.javaparser.printer.Printable;
+import javax.annotation.Generated;
+import com.github.javaparser.TokenRange;
+import java.util.function.Consumer;
+import java.util.Optional;
+
+/**
+ * An expression where an operator is applied to a single expression.
+ * It supports the operators that are found the the UnaryExpr.Operator enum.
+ * <br/><code>11++</code>
+ * <br/><code>++11</code>
+ * <br/><code>~1</code>
+ * <br/><code>-333</code>
+ *
+ * @author Julio Vilmar Gesser
+ */
+public final class UnaryExpr extends Expression implements NodeWithExpression<UnaryExpr> {
+
+    public enum Operator implements Printable {
+
+        PLUS("+", false),
+        MINUS("-", false),
+        PREFIX_INCREMENT("++", false),
+        PREFIX_DECREMENT("--", false),
+        LOGICAL_COMPLEMENT("!", false),
+        BITWISE_COMPLEMENT("~", false),
+        POSTFIX_INCREMENT("++", true),
+        POSTFIX_DECREMENT("--", true);
+
+        private final String codeRepresentation;
+
+        private final boolean isPostfix;
+
+        Operator(String codeRepresentation, boolean isPostfix) {
+            this.codeRepresentation = codeRepresentation;
+            this.isPostfix = isPostfix;
+        }
+
+        public String asString() {
+            return codeRepresentation;
+        }
+
+        public boolean isPostfix() {
+            return isPostfix;
+        }
+
+        public boolean isPrefix() {
+            return !isPostfix();
+        }
+    }
+
+    private Expression expression;
+
+    private Operator operator;
+
+    public UnaryExpr() {
+        this(null, new IntegerLiteralExpr(), Operator.POSTFIX_INCREMENT);
+    }
+
+    @AllFieldsConstructor
+    public UnaryExpr(final Expression expression, final Operator operator) {
+        this(null, expression, operator);
+    }
+
+    /**
+     * This constructor is used by the parser and is considered private.
+     */
+    @Generated("com.github.javaparser.generator.core.node.MainConstructorGenerator")
+    public UnaryExpr(TokenRange tokenRange, Expression expression, Operator operator) {
+        super(tokenRange);
+        setExpression(expression);
+        setOperator(operator);
+        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 Expression getExpression() {
+        return expression;
+    }
+
+    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
+    public Operator getOperator() {
+        return operator;
+    }
+
+    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
+    public UnaryExpr setExpression(final Expression expression) {
+        assertNotNull(expression);
+        if (expression == this.expression) {
+            return (UnaryExpr) this;
+        }
+        notifyPropertyChange(ObservableProperty.EXPRESSION, this.expression, expression);
+        if (this.expression != null)
+            this.expression.setParentNode(null);
+        this.expression = expression;
+        setAsParentNodeOf(expression);
+        return this;
+    }
+
+    @Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
+    public UnaryExpr setOperator(final Operator operator) {
+        assertNotNull(operator);
+        if (operator == this.operator) {
+            return (UnaryExpr) this;
+        }
+        notifyPropertyChange(ObservableProperty.OPERATOR, this.operator, operator);
+        this.operator = operator;
+        return this;
+    }
+
+    @Override
+    @Generated("com.github.javaparser.generator.core.node.RemoveMethodGenerator")
+    public boolean remove(Node node) {
+        if (node == null)
+            return false;
+        return super.remove(node);
+    }
+
+    @DerivedProperty
+    public boolean isPostfix() {
+        return operator.isPostfix();
+    }
+
+    @DerivedProperty
+    public boolean isPrefix() {
+        return !isPostfix();
+    }
+
+    @Override
+    @Generated("com.github.javaparser.generator.core.node.CloneGenerator")
+    public UnaryExpr clone() {
+        return (UnaryExpr) accept(new CloneVisitor(), null);
+    }
+
+    @Override
+    @Generated("com.github.javaparser.generator.core.node.GetMetaModelGenerator")
+    public UnaryExprMetaModel getMetaModel() {
+        return JavaParserMetaModel.unaryExprMetaModel;
+    }
+
+    @Override
+    @Generated("com.github.javaparser.generator.core.node.ReplaceMethodGenerator")
+    public boolean replace(Node node, Node replacementNode) {
+        if (node == null)
+            return false;
+        if (node == expression) {
+            setExpression((Expression) replacementNode);
+            return true;
+        }
+        return super.replace(node, replacementNode);
+    }
+
+    @Override
+    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
+    public boolean isUnaryExpr() {
+        return true;
+    }
+
+    @Override
+    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
+    public UnaryExpr asUnaryExpr() {
+        return this;
+    }
+
+    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
+    public void ifUnaryExpr(Consumer<UnaryExpr> action) {
+        action.accept(this);
+    }
+
+    @Override
+    @Generated("com.github.javaparser.generator.core.node.TypeCastingGenerator")
+    public Optional<UnaryExpr> toUnaryExpr() {
+        return Optional.of(this);
+    }
+}