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.PsiElement;
021 import com.intellij.util.SmartList;
022 import jet.runtime.typeinfo.KotlinSignature;
023 import org.jetbrains.annotations.NotNull;
024 import org.jetbrains.annotations.Nullable;
025 import org.jetbrains.jet.JetNodeTypes;
026 import org.jetbrains.jet.lexer.JetTokens;
027
028 import java.util.Collections;
029 import java.util.List;
030
031 public class JetCallExpression extends JetReferenceExpression implements JetCallElement {
032 public JetCallExpression(@NotNull ASTNode node) {
033 super(node);
034 }
035
036 @Override
037 public <R, D> R accept(@NotNull JetVisitor<R, D> visitor, D data) {
038 return visitor.visitCallExpression(this, data);
039 }
040
041 @Override
042 @Nullable
043 public JetExpression getCalleeExpression() {
044 return findChildByClass(JetExpression.class);
045 }
046
047 @Override
048 @Nullable
049 public JetValueArgumentList getValueArgumentList() {
050 return (JetValueArgumentList) findChildByType(JetNodeTypes.VALUE_ARGUMENT_LIST);
051 }
052
053 @Nullable
054 public JetTypeArgumentList getTypeArgumentList() {
055 return (JetTypeArgumentList) findChildByType(JetNodeTypes.TYPE_ARGUMENT_LIST);
056 }
057
058 @Override
059 @NotNull
060 public List<JetExpression> getFunctionLiteralArguments() {
061 JetExpression calleeExpression = getCalleeExpression();
062 ASTNode node;
063 if (calleeExpression instanceof JetFunctionLiteralExpression) {
064 node = calleeExpression.getNode().getTreeNext();
065 }
066 else {
067 node = getNode().getFirstChildNode();
068 }
069 List<JetExpression> result = new SmartList<JetExpression>();
070 while (node != null) {
071 PsiElement psi = node.getPsi();
072 if (psi instanceof JetFunctionLiteralExpression) {
073 result.add((JetFunctionLiteralExpression) psi);
074 }
075 else if (psi instanceof JetPrefixExpression) {
076 JetPrefixExpression prefixExpression = (JetPrefixExpression) psi;
077 if (JetTokens.LABELS.contains(prefixExpression.getOperationReference().getReferencedNameElementType())) {
078 JetExpression labeledExpression = prefixExpression.getBaseExpression();
079 if (labeledExpression instanceof JetFunctionLiteralExpression) {
080 result.add(prefixExpression);
081 }
082 }
083 }
084 node = node.getTreeNext();
085 }
086 return result;
087 }
088
089 @KotlinSignature("fun getValueArguments(): MutableList<out ValueArgument>")
090 @Override
091 @NotNull
092 public List<? extends ValueArgument> getValueArguments() {
093 JetValueArgumentList list = getValueArgumentList();
094 return list != null ? list.getArguments() : Collections.<JetValueArgument>emptyList();
095 }
096
097 @NotNull
098 public List<JetTypeProjection> getTypeArguments() {
099 JetTypeArgumentList list = getTypeArgumentList();
100 return list != null ? list.getArguments() : Collections.<JetTypeProjection>emptyList();
101 }
102 }