| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.jetbrains.plugins.groovy.lang.psi.impl; |
| |
| import com.intellij.openapi.diagnostic.Logger; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.psi.PsiElement; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElement; |
| import org.jetbrains.plugins.groovy.lang.psi.GroovyPsiElementFactory; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.arguments.GrArgumentList; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrApplicationStatement; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrCommandArgumentList; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrReferenceExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.path.GrMethodCallExpression; |
| |
| /** |
| * @author Max Medvedev |
| */ |
| public class ApplicationStatementUtil { |
| private static final Logger LOG = Logger.getInstance(ApplicationStatementUtil.class); |
| |
| public static GrExpression convertToMethodCallExpression(GrExpression expr) { |
| final Project project = expr.getProject(); |
| final GroovyPsiElementFactory factory = GroovyPsiElementFactory.getInstance(project); |
| |
| boolean copied = false; |
| if (expr instanceof GrApplicationStatement) { |
| expr = convertAppInternal(factory, (GrApplicationStatement)expr); |
| copied = true; |
| } |
| |
| if (expr instanceof GrReferenceExpression && |
| ((GrReferenceExpression)expr).getDotToken() == null && |
| ((GrReferenceExpression)expr).getQualifier() != null) { |
| expr = convertRefInternal(factory, ((GrReferenceExpression)expr)); |
| copied = true; |
| } |
| |
| |
| if (!shouldManage(expr)) return expr; |
| if (!copied) expr = (GrExpression)expr.copy(); |
| |
| for (PsiElement child = expr.getFirstChild(); child != null; child = child.getFirstChild()) { |
| if (child instanceof GrApplicationStatement) { |
| child = child.replace(convertAppInternal(factory, (GrApplicationStatement)child)); |
| } |
| else if (child instanceof GrReferenceExpression && |
| ((GrReferenceExpression)child).getDotToken() == null && |
| ((GrReferenceExpression)child).getQualifier() != null) { |
| child = child.replace(convertRefInternal(factory, ((GrReferenceExpression)child))); |
| } |
| } |
| |
| return expr; |
| } |
| |
| private static boolean shouldManage(GrExpression expr) { |
| for (PsiElement child = expr.getFirstChild(); child != null; child = child.getFirstChild()) { |
| if (child instanceof GrApplicationStatement) { |
| return true; |
| } |
| else if (child instanceof GrReferenceExpression && |
| ((GrReferenceExpression)child).getDotToken() == null && |
| ((GrReferenceExpression)child).getQualifier() != null) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private static GrReferenceExpression convertRefInternal(GroovyPsiElementFactory factory, GrReferenceExpression ref) { |
| ref.addAfter(factory.createDotToken("."), ref.getQualifier()); |
| return ref; |
| } |
| |
| private static GrMethodCallExpression convertAppInternal(GroovyPsiElementFactory factory, GrApplicationStatement app) { |
| final GrCommandArgumentList list = app.getArgumentList(); |
| |
| final GrMethodCallExpression prototype = (GrMethodCallExpression)factory.createExpressionFromText("foo()"); |
| prototype.getInvokedExpression().replace(app.getInvokedExpression()); |
| final GrArgumentList pList = prototype.getArgumentList(); |
| LOG.assertTrue(pList != null); |
| |
| final PsiElement anchor = pList.getRightParen(); |
| for (GroovyPsiElement arg : list.getAllArguments()) { |
| pList.addBefore(arg, anchor); |
| } |
| |
| return prototype; |
| } |
| } |