/**
* Checks type of given method, parameter or variable.
*
* @param aAST node to check.
*/
private void checkClassName(DetailAST aAST) {
final DetailAST type = aAST.findFirstToken(TokenTypes.TYPE);
final FullIdent ident = CheckUtils.createFullType(type);
if (isMatchingClassName(ident.getText())) {
log(ident.getLineNo(), ident.getColumnNo(), "illegal.type", ident.getText());
}
}
/**
* Decides whether the number of an AST is in the ignore list of this check.
*
* @param ast the AST to check
* @return true if the number of ast is in the ignore list of this check.
*/
private boolean inIgnoreList(DetailAST ast) {
double value = CheckUtils.parseDouble(ast.getText(), ast.getType());
final DetailAST parent = ast.getParent();
if (parent.getType() == TokenTypes.UNARY_MINUS) {
value = -1 * value;
}
return Arrays.binarySearch(ignoreNumbers, value) >= 0;
}
/**
* Finds next token after the given one.
*
* @param ast the given node.
* @return the token which represents next lexical item.
*/
private static DetailAST getNextToken(DetailAST ast) {
DetailAST next = null;
DetailAST parent = ast;
while (parent != null && next == null) {
next = parent.getNextSibling();
parent = parent.getParent();
}
return CheckUtils.getFirstNode(next);
}
/**
* @param expr node to check.
* @return true if given node contains numeric constant for zero.
*/
private boolean isZero(DetailAST expr) {
final int type = expr.getType();
switch (type) {
case TokenTypes.NUM_FLOAT:
case TokenTypes.NUM_DOUBLE:
case TokenTypes.NUM_INT:
case TokenTypes.NUM_LONG:
final String text = expr.getText();
return 0 == CheckUtils.parseFloat(text, type);
default:
return false;
}
}
/**
* Visits type.
*
* @param aAST type to process.
*/
public void visitType(DetailAST aAST) {
final String className = CheckUtils.createFullType(aAST).getText();
mContext.addReferencedClassName(className);
}
/**
* Checks whether the current method/variable definition type is "Boolean".
*
* @param aNode - current method or variable definition node.
* @return "true" if current method or variable has a Boolean type.
*/
public final boolean isBooleanType(final DetailAST aNode) {
return mBOOLEAN.equals(
CheckUtils.createFullType(aNode.findFirstToken(TokenTypes.TYPE)).getText());
}