Java tutorial
/* * Copyright (C) 2016 The Android Open Source Project * * 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.android.tools.lint.psi; import com.android.annotations.NonNull; import com.google.common.collect.Lists; import com.intellij.psi.JavaElementVisitor; import com.intellij.psi.PsiElementVisitor; import com.intellij.psi.PsiExpression; import com.intellij.psi.PsiExpressionList; import com.intellij.psi.PsiType; import java.util.List; class EcjPsiExpressionList extends EcjPsiSourceElement implements PsiExpressionList { private PsiExpression[] mExpressions; EcjPsiExpressionList(@NonNull EcjPsiManager manager) { super(manager, null); } @Override public void accept(@NonNull PsiElementVisitor visitor) { if (visitor instanceof JavaElementVisitor) { ((JavaElementVisitor) visitor).visitExpressionList(this); } else { visitor.visitElement(this); } } void setExpressions(PsiExpression[] expressions) { mExpressions = expressions; } @NonNull @Override public PsiExpression[] getExpressions() { return mExpressions; } @NonNull @Override public PsiType[] getExpressionTypes() { List<PsiType> types = Lists.newArrayListWithCapacity(mExpressions.length); for (PsiExpression expression : mExpressions) { PsiType type = expression.getType(); if (type != null) { types.add(type); } } return types.toArray(PsiType.EMPTY_ARRAY); } }