| /* |
| * Copyright 2003-2012 Dave Griffith, Bas Leijdekkers |
| * |
| * 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.siyeh.ig.methodmetrics; |
| |
| import com.intellij.psi.*; |
| import com.intellij.psi.tree.IElementType; |
| import org.jetbrains.annotations.NotNull; |
| |
| class NegationCountVisitor extends JavaRecursiveElementVisitor { |
| |
| private final boolean myIgnoreInAssertStatements; |
| private int m_count = 0; |
| |
| public NegationCountVisitor(boolean ignoreInAssertStatements) { |
| myIgnoreInAssertStatements = ignoreInAssertStatements; |
| } |
| |
| @Override |
| public void visitBinaryExpression(@NotNull PsiBinaryExpression expression) { |
| super.visitBinaryExpression(expression); |
| final IElementType tokenType = expression.getOperationTokenType(); |
| if (tokenType.equals(JavaTokenType.NE)) { |
| m_count++; |
| } |
| } |
| |
| @Override |
| public void visitAnonymousClass(@NotNull PsiAnonymousClass aClass) { |
| // no call to super, to keep it from drilling into anonymous classes |
| } |
| |
| @Override |
| public void visitPrefixExpression(@NotNull PsiPrefixExpression expression) { |
| super.visitPrefixExpression(expression); |
| if (expression.getOperationTokenType().equals(JavaTokenType.EXCL)) { |
| m_count++; |
| } |
| } |
| |
| @Override |
| public void visitAssertStatement(PsiAssertStatement statement) { |
| final int count = m_count; |
| super.visitAssertStatement(statement); |
| if (myIgnoreInAssertStatements) { |
| m_count = count; |
| } |
| } |
| |
| public int getCount() { |
| return m_count; |
| } |
| } |