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.openapi.project.Project;
020    import com.intellij.psi.PsiElement;
021    import com.intellij.psi.tree.IElementType;
022    import org.jetbrains.annotations.Nullable;
023    import org.jetbrains.jet.JetNodeTypes;
024    import org.jetbrains.jet.lang.types.JetType;
025    import org.jetbrains.jet.lang.types.lang.KotlinBuiltIns;
026    import org.jetbrains.jet.lexer.JetTokens;
027    
028    public class JetTypeCodeFragmentImpl extends JetCodeFragmentImpl implements JetTypeCodeFragment {
029        public JetTypeCodeFragmentImpl(Project project, String name, CharSequence text, PsiElement context) {
030            super(project, name, text, JetNodeTypes.TYPE_CODE_FRAGMENT, context);
031        }
032    
033        @Nullable
034        @Override
035        public JetType getType() {
036            JetType type = null;
037    
038            for (PsiElement child : getChildren()) {
039                IElementType elementType = child.getNode().getElementType();
040    
041                if (elementType == JetNodeTypes.TYPE_CODE_FRAGMENT) {
042                    for (PsiElement grChild : child.getChildren()) {
043                        if (grChild instanceof JetTypeReference) {
044                            if (!grChild.getText().isEmpty())
045                                //TODO return the actual type
046                                type = KotlinBuiltIns.getInstance().getAnyType();
047                        }
048                        else if (!JetTokens.WHITE_SPACE_OR_COMMENT_BIT_SET.contains(elementType))
049                            return null;
050                    }
051                }
052                else if (!JetTokens.WHITE_SPACE_OR_COMMENT_BIT_SET.contains(elementType))
053                    return null;
054            }
055    
056            return type;
057        }
058    }