| /* |
| * Copyright 2003-2005 Dave Griffith |
| * |
| * 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.classmetrics; |
| |
| import com.intellij.psi.*; |
| import org.jetbrains.annotations.NotNull; |
| |
| class ComplexityVisitor extends JavaRecursiveElementVisitor { |
| private int m_complexity = 1; |
| |
| @Override |
| public void visitAnonymousClass(@NotNull PsiAnonymousClass aClass) { |
| // to call to super, to keep this from drilling down |
| } |
| |
| @Override |
| public void visitForStatement(@NotNull PsiForStatement statement) { |
| super.visitForStatement(statement); |
| m_complexity++; |
| } |
| |
| @Override |
| public void visitForeachStatement(@NotNull PsiForeachStatement statement) { |
| super.visitForeachStatement(statement); |
| m_complexity++; |
| } |
| |
| @Override |
| public void visitIfStatement(@NotNull PsiIfStatement statement) { |
| super.visitIfStatement(statement); |
| m_complexity++; |
| } |
| |
| @Override |
| public void visitDoWhileStatement(@NotNull PsiDoWhileStatement statement) { |
| super.visitDoWhileStatement(statement); |
| m_complexity++; |
| } |
| |
| @Override |
| public void visitConditionalExpression(PsiConditionalExpression expression) { |
| super.visitConditionalExpression(expression); |
| m_complexity++; |
| } |
| |
| @Override |
| public void visitSwitchStatement(@NotNull PsiSwitchStatement statement) { |
| super.visitSwitchStatement(statement); |
| final PsiCodeBlock body = statement.getBody(); |
| if (body == null) { |
| return; |
| } |
| final PsiStatement[] statements = body.getStatements(); |
| boolean pendingLabel = false; |
| for (final PsiStatement child : statements) { |
| if (child instanceof PsiSwitchLabelStatement) { |
| if (!pendingLabel) { |
| m_complexity++; |
| } |
| pendingLabel = true; |
| } |
| else { |
| pendingLabel = false; |
| } |
| } |
| } |
| |
| @Override |
| public void visitWhileStatement(@NotNull PsiWhileStatement statement) { |
| super.visitWhileStatement(statement); |
| m_complexity++; |
| } |
| |
| public int getComplexity() { |
| return m_complexity; |
| } |
| |
| public void reset() { |
| m_complexity = 1; |
| } |
| } |