// Transmogrify License
//
// Copyright (c) 2001, ThoughtWorks, Inc.
// All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// - Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// - Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// Neither the name of the ThoughtWorks, Inc. nor the names of its
// contributors may be used to endorse or promote products derived from this
// software without specific prior written permission.
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
// OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
// WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
package com.puppycrawl.tools.checkstyle.checks.usage.transmogrify;
import com.puppycrawl.tools.checkstyle.api.TokenTypes;
/**
* <code>VariableDef</code> is a <code>Definition</code> that contains
* information about the definition of a variable.
*
* @see Definition
* @see TypedDef
*/
public class VariableDef extends Definition implements IVariable {
public static final int PRIVATE_VISIBILITY = 0;
public static final int PROTECTED_VISIBILITY = 1;
public static final int PUBLIC_VISIBILITY = 2;
public static final int DEFAULT_VISIBILITY = 3;
private IClass _type = null;
public VariableDef(String name, Scope parentScope, SymTabAST node) {
super(name, parentScope, node);
}
/**
* Returns the <code>Type</code> of the variable.
*
* @see TypedDef
*
* @return the <code>Type</code> of the variable
*/
public IClass getType() {
return _type;
}
/**
* Sets the type of the variable.
*
* @see TypedDef
*
* @param def the <code>Type</code> object that represents the type of the
* variable.
*/
public void setType(IClass type) {
_type = type;
}
public int getVisibility() {
int result = DEFAULT_VISIBILITY;
SymTabAST visibilityNode = getVisibilityNode();
if (visibilityNode != null) {
if (visibilityNode.getType() == TokenTypes.LITERAL_PRIVATE) {
result = PRIVATE_VISIBILITY;
}
else if (
visibilityNode.getType() == TokenTypes.LITERAL_PROTECTED) {
result = PROTECTED_VISIBILITY;
}
else if (visibilityNode.getType() == TokenTypes.LITERAL_PUBLIC) {
result = PUBLIC_VISIBILITY;
}
}
return result;
}
private SymTabAST getVisibilityNode() {
SymTabAST result = null;
SymTabAST modifiersNode =
getTreeNode().findFirstToken(TokenTypes.MODIFIERS);
SymTabAST modifier = (SymTabAST) modifiersNode.getFirstChild();
while (modifier != null) {
if (isVisibilityNode(modifier)) {
result = modifier;
break;
}
modifier = (SymTabAST) modifier.getNextSibling();
}
return result;
}
private boolean isVisibilityNode(SymTabAST node) {
return (
node.getType() == TokenTypes.LITERAL_PUBLIC
|| node.getType() == TokenTypes.LITERAL_PROTECTED
|| node.getType() == TokenTypes.LITERAL_PRIVATE);
}
public boolean isAssignedAtDeclaration() {
boolean result = false;
if (getTreeNode().findFirstToken(TokenTypes.ASSIGN) != null) {
result = true;
}
return result;
}
}