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minor optimization

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This commit is contained in:
Bas Leijdekkers
2009-11-06 23:45:43 +01:00
parent bd716cdde2
commit 6c21361132
1 changed files with 14 additions and 4 deletions
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plugins/InspectionGadgets/src/com/siyeh/ig/psiutils/VariableAssignedVisitor.java
+14 -4
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2003-2008 Dave Griffith, Bas Leijdekkers
* Copyright 2003-2009 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.
@@ -17,25 +17,29 @@ package com.siyeh.ig.psiutils;
import com.intellij.psi.*;
import com.intellij.psi.tree.IElementType;
import com.intellij.psi.util.TypeConversionUtil;
import org.jetbrains.annotations.NotNull;
public class VariableAssignedVisitor extends JavaRecursiveElementVisitor{
@NotNull private final PsiVariable variable;
private final boolean recurseIntoClasses;
private final boolean checkUnaryExpressions;
private boolean assigned = false;
public VariableAssignedVisitor(@NotNull PsiVariable variable,
boolean recurseIntoClasses){
super();
this.variable = variable;
final PsiType type = variable.getType();
checkUnaryExpressions = TypeConversionUtil.isNumericType(type);
this.recurseIntoClasses = recurseIntoClasses;
}
@Override public void visitElement(@NotNull PsiElement element){
if(!assigned){
super.visitElement(element);
if(assigned){
return;
}
super.visitElement(element);
}
@Override public void visitAssignmentExpression(
@@ -66,6 +70,9 @@ public class VariableAssignedVisitor extends JavaRecursiveElementVisitor{
if(assigned){
return;
}
if(!checkUnaryExpressions){
return;
}
super.visitPrefixExpression(prefixExpression);
final PsiJavaToken operationSign = prefixExpression.getOperationSign();
final IElementType tokenType = operationSign.getTokenType();
@@ -84,6 +91,9 @@ public class VariableAssignedVisitor extends JavaRecursiveElementVisitor{
if(assigned){
return;
}
if(!checkUnaryExpressions){
return;
}
super.visitPostfixExpression(postfixExpression);
final PsiJavaToken operationSign = postfixExpression.getOperationSign();
final IElementType tokenType = operationSign.getTokenType();