@Override
public void visitToken(DetailAST detailAST) {
DetailAST firstChildAST = detailAST.getFirstChild();
if ((firstChildAST == null) || (firstChildAST.getType() == TokenTypes.DOT)) {
return;
}
DetailAST parentAST = detailAST.getParent();
DetailAST nameAST = null;
if (parentAST.getType() == TokenTypes.EXPR) {
nameAST = detailAST.findFirstToken(TokenTypes.IDENT);
} else if (parentAST.getType() == TokenTypes.VARIABLE_DEF) {
nameAST = parentAST.findFirstToken(TokenTypes.IDENT);
}
if (nameAST == null) {
return;
}
_checkMissingEmptyLineAfterReferencingVariable(
parentAST, nameAST.getText(), DetailASTUtil.getEndLine(detailAST));
_checkMissingEmptyLineBetweenAssigningAndUsingVariable(
parentAST, nameAST.getText(), DetailASTUtil.getEndLine(detailAST));
}
private void _checkMissingEmptyLineAfterReferencingVariable(
DetailAST detailAST, String name, int endLine) {
boolean isReferenced = false;
DetailAST nextSibling = detailAST.getNextSibling();
while (true) {
if ((nextSibling == null) || (nextSibling.getType() != TokenTypes.SEMI)) {
return;
}
nextSibling = nextSibling.getNextSibling();
if ((nextSibling == null)
|| ((nextSibling.getType() != TokenTypes.EXPR)
&& (nextSibling.getType() != TokenTypes.VARIABLE_DEF))) {
return;
}
boolean expressionReferencesVariable = false;
List<DetailAST> identASTList =
DetailASTUtil.getAllChildTokens(nextSibling, true, TokenTypes.IDENT);
for (DetailAST identAST : identASTList) {
String identName = identAST.getText();
if (identName.equals(name)) {
expressionReferencesVariable = true;
}
}
if (!expressionReferencesVariable) {
if (isReferenced) {
int startLineNextExpression = DetailASTUtil.getStartLine(nextSibling);
if ((endLine + 1) == startLineNextExpression) {
log(
startLineNextExpression,
MSG_MISSING_EMPTY_LINE_AFTER_VARIABLE_REFERENCE,
startLineNextExpression,
name);
}
}
return;
}
isReferenced = true;
endLine = DetailASTUtil.getEndLine(nextSibling);
nextSibling = nextSibling.getNextSibling();
}
}
