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.psi;
018    
019    import com.intellij.lang.ASTNode;
020    import com.intellij.psi.util.PsiTreeUtil;
021    import org.jetbrains.annotations.NotNull;
022    import org.jetbrains.annotations.Nullable;
023    
024    import java.util.Collections;
025    import java.util.List;
026    
027    public class JetScript extends JetDeclarationImpl {
028    
029        public JetScript(@NotNull ASTNode node) {
030            super(node);
031        }
032    
033        @NotNull
034        public JetBlockExpression getBlockExpression() {
035            return findNotNullChildByClass(JetBlockExpression.class);
036        }
037    
038        @Nullable
039        public JetImportList getImportList() {
040            return findChildByClass(JetImportList.class);
041        }
042    
043        @NotNull
044        public List<JetImportDirective> getImportDirectives() {
045            JetImportList importList = getImportList();
046            return importList != null ? importList.getImports() : Collections.<JetImportDirective>emptyList();
047        }
048    
049        @NotNull
050        public List<JetDeclaration> getDeclarations() {
051            return PsiTreeUtil.getChildrenOfTypeAsList(getBlockExpression(), JetDeclaration.class);
052        }
053    
054        @Override
055        public void accept(@NotNull JetVisitorVoid visitor) {
056            visitor.visitScript(this);
057        }
058    
059        @Override
060        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
061            return visitor.visitScript(this, data);
062        }
063    }