001    /*
002     * Copyright 2010-2015 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.kotlin.psi;
018    
019    import com.intellij.lang.ASTNode;
020    import com.intellij.psi.PsiElement;
021    import org.jetbrains.annotations.NotNull;
022    import org.jetbrains.annotations.Nullable;
023    import org.jetbrains.kotlin.lexer.JetTokens;
024    import org.jetbrains.kotlin.psi.stubs.KotlinPlaceHolderStub;
025    import org.jetbrains.kotlin.psi.stubs.elements.JetStubElementTypes;
026    
027    import java.util.List;
028    
029    public class JetParameterList extends JetElementImplStub<KotlinPlaceHolderStub<JetParameterList>> {
030        public JetParameterList(@NotNull ASTNode node) {
031            super(node);
032        }
033    
034        public JetParameterList(@NotNull KotlinPlaceHolderStub<JetParameterList> stub) {
035            super(stub, JetStubElementTypes.VALUE_PARAMETER_LIST);
036        }
037    
038        @Override
039        public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
040            return visitor.visitParameterList(this, data);
041        }
042    
043        @NotNull
044        public List<JetParameter> getParameters() {
045            return getStubOrPsiChildrenAsList(JetStubElementTypes.VALUE_PARAMETER);
046        }
047    
048        @NotNull
049        public JetParameter addParameter(@NotNull JetParameter parameter) {
050            return EditCommaSeparatedListHelper.INSTANCE$.addItem(this, getParameters(), parameter);
051        }
052    
053        @NotNull
054        public JetParameter addParameterAfter(@NotNull JetParameter parameter, @Nullable JetParameter anchor) {
055            return EditCommaSeparatedListHelper.INSTANCE$.addItemAfter(this, getParameters(), parameter, anchor);
056        }
057    
058        @NotNull
059        public JetParameter addParameterBefore(@NotNull JetParameter parameter, @Nullable JetParameter anchor) {
060            return EditCommaSeparatedListHelper.INSTANCE$.addItemBefore(this, getParameters(), parameter, anchor);
061        }
062    
063        public void removeParameter(@NotNull JetParameter parameter) {
064            EditCommaSeparatedListHelper.INSTANCE$.removeItem(parameter);
065        }
066    
067        // this method needed only for migrate lambda syntax
068        @Deprecated
069        public boolean isParenthesized() {
070            PsiElement firstChild = getFirstChild();
071            if (firstChild != null && firstChild.getNode() != null) {
072                return firstChild.getNode().getElementType() == JetTokens.LPAR;
073            }
074            return false;
075        }
076    }