001    /*
002     * Copyright 2010-2013 JetBrains s.r.o.
003     *
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     *
008     * http://www.apache.org/licenses/LICENSE-2.0
009     *
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package org.jetbrains.jet.lang.cfg.pseudocode;
018    
019    import org.jetbrains.annotations.NotNull;
020    import org.jetbrains.jet.lang.cfg.Label;
021    import org.jetbrains.jet.lang.psi.JetExpression;
022    import org.jetbrains.jet.lang.psi.JetThrowExpression;
023    
024    public class ThrowExceptionInstruction extends AbstractJumpInstruction implements JetElementInstruction {
025        private final JetThrowExpression expression;
026    
027        public ThrowExceptionInstruction(@NotNull JetThrowExpression expression, @NotNull LexicalScope lexicalScope, @NotNull Label errorLabel) {
028            super(errorLabel, lexicalScope);
029            this.expression = expression;
030        }
031    
032        @NotNull
033        @Override
034        public JetExpression getElement() {
035            return expression;
036        }
037    
038        @Override
039        public String toString() {
040            return "throw (" + expression.getText() + ")";
041        }
042    
043        @Override
044        public void accept(@NotNull InstructionVisitor visitor) {
045            visitor.visitThrowExceptionInstruction(this);
046        }
047    
048        @Override
049        public <R> R accept(@NotNull InstructionVisitorWithResult<R> visitor) {
050            return visitor.visitThrowExceptionInstruction(this);
051        }
052    
053        @Override
054        protected AbstractJumpInstruction createCopy(@NotNull Label newLabel, @NotNull LexicalScope lexicalScope) {
055            return new ThrowExceptionInstruction(expression, lexicalScope, newLabel);
056        }
057    }