| /* |
| * Copyright 2000-2013 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 com.jetbrains.python.psi.impl; |
| |
| import com.intellij.lang.ASTNode; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.util.IncorrectOperationException; |
| import com.jetbrains.python.PythonDialectsTokenSetProvider; |
| import com.jetbrains.python.psi.*; |
| import com.jetbrains.python.psi.types.PyType; |
| import com.jetbrains.python.psi.types.TypeEvalContext; |
| import org.jetbrains.annotations.NotNull; |
| |
| public class PyListLiteralExpressionImpl extends PyElementImpl implements PyListLiteralExpression { |
| public PyListLiteralExpressionImpl(ASTNode astNode) { |
| super(astNode); |
| } |
| |
| @Override |
| protected void acceptPyVisitor(PyElementVisitor pyVisitor) { |
| pyVisitor.visitPyListLiteralExpression(this); |
| } |
| |
| @NotNull |
| public PyExpression[] getElements() { |
| return childrenToPsi(PythonDialectsTokenSetProvider.INSTANCE.getExpressionTokens(), PyExpression.EMPTY_ARRAY); |
| } |
| |
| public PsiElement add(@NotNull PsiElement psiElement) throws IncorrectOperationException { |
| checkPyExpression(psiElement); |
| PyExpression element = (PyExpression)psiElement; |
| PyExpression[] els = getElements(); |
| PyExpression lastArg = els.length == 0 ? null : els[els.length - 1]; |
| return PyElementGenerator.getInstance(getProject()).insertItemIntoList(this, lastArg, element); |
| } |
| |
| private static void checkPyExpression(PsiElement psiElement) throws IncorrectOperationException { |
| if (!(psiElement instanceof PyExpression)) { |
| throw new IncorrectOperationException("Element must be PyExpression: " + psiElement); |
| } |
| } |
| |
| public PsiElement addAfter(@NotNull PsiElement psiElement, PsiElement afterThis) throws IncorrectOperationException { |
| checkPyExpression(psiElement); |
| checkPyExpression(afterThis); |
| return PyElementGenerator.getInstance(getProject()).insertItemIntoList(this, (PyExpression)afterThis, (PyExpression)psiElement); |
| } |
| |
| public PsiElement addBefore(@NotNull PsiElement psiElement, PsiElement beforeThis) throws IncorrectOperationException { |
| checkPyExpression(psiElement); |
| return PyElementGenerator.getInstance(getProject()).insertItemIntoList(this, null, (PyExpression)psiElement); |
| } |
| |
| @Override |
| public void deleteChildInternal(@NotNull ASTNode child) { |
| if (child.getPsi() instanceof PyExpression) { |
| PyExpression expression = (PyExpression)child.getPsi(); |
| ASTNode node = getNode(); |
| ASTNode exprNode = expression.getNode(); |
| ASTNode next = PyPsiUtils.getNextComma(exprNode); |
| ASTNode prev = PyPsiUtils.getPrevComma(exprNode); |
| super.deleteChildInternal(child); |
| if (next != null) { |
| deleteChildInternal(next); |
| } |
| else if (prev != null) { |
| deleteChildInternal(prev); |
| } |
| } |
| else { |
| super.deleteChildInternal(child); |
| } |
| } |
| |
| public PyType getType(@NotNull TypeEvalContext context, @NotNull TypeEvalContext.Key key) { |
| return PyBuiltinCache.createLiteralCollectionType(this, "list"); |
| } |
| } |