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/*
* Copyright 2003-2011 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.psiutils;
import com.intellij.psi.*;
import org.jetbrains.annotations.NotNull;
class VariablePassedAsArgumentVisitor extends JavaRecursiveElementVisitor {
@NotNull
private final PsiVariable variable;
private boolean passed = false;
public VariablePassedAsArgumentVisitor(@NotNull PsiVariable variable) {
super();
this.variable = variable;
}
@Override
public void visitElement(@NotNull PsiElement element) {
if (!passed) {
super.visitElement(element);
}
}
@Override
public void visitMethodCallExpression(@NotNull PsiMethodCallExpression call) {
if (passed) {
return;
}
super.visitMethodCallExpression(call);
final PsiExpressionList argumentList = call.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
for (PsiExpression argument : arguments) {
if (VariableAccessUtils.mayEvaluateToVariable(argument, variable)) {
passed = true;
break;
}
}
}
@Override
public void visitNewExpression(@NotNull PsiNewExpression newExpression) {
if (passed) {
return;
}
super.visitNewExpression(newExpression);
final PsiExpressionList argumentList = newExpression.getArgumentList();
if (argumentList == null) {
return;
}
final PsiExpression[] arguments = argumentList.getExpressions();
for (PsiExpression argument : arguments) {
if (VariableAccessUtils.mayEvaluateToVariable(argument, variable)) {
passed = true;
break;
}
}
}
public boolean isPassed() {
return passed;
}
}
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