private void visitIfStatementNode(AstNode node) {
if (checkedIfStatements.contains(node)) {
return;
}
List<AstNode> branchNodes = Lists.newArrayList();
AstNode ifNode = node;
while (ifNode != null) {
checkedIfStatements.add(ifNode);
branchNodes.add(ifNode.getFirstChild(ifBranchNodeType()));
AstSelect elseIfNodes =
ifNode
.select()
.children(PHPGrammar.ELSEIF_LIST)
.children(PHPGrammar.ELSEIF_CLAUSE)
.children(ifBranchNodeType());
for (AstNode condition : elseIfNodes) {
branchNodes.add(condition);
}
AstSelect elseNodes = ifNode.select().children(PHPGrammar.ELSE_CLAUSE);
for (AstNode elseNode : elseNodes.children(ifBranchNodeType())) {
branchNodes.add(elseNode);
}
AstSelect elseIfs =
elseNodes.children(PHPGrammar.STATEMENT).children(PHPGrammar.IF_STATEMENT);
ifNode = elseIfs.isEmpty() ? null : elseIfs.get(0);
}
checkBranches(branchNodes, "branch");
}
@Override
public void visitNode(AstNode suiteNode) {
if (suiteNode.getParent().is(PythonGrammar.FUNCDEF, PythonGrammar.CLASSDEF)
|| isInExcept(suiteNode)) {
return;
}
AstSelect suite = suiteNode.select();
AstSelect stmtLists = suite.children(PythonGrammar.STMT_LIST);
if (stmtLists.isEmpty()) {
AstSelect statementSelect = suite.children(PythonGrammar.STATEMENT);
if (statementSelect.children(PythonGrammar.COMPOUND_STMT).isNotEmpty()) {
return;
}
stmtLists = statementSelect.children(PythonGrammar.STMT_LIST);
}
AstSelect nonPassSimpleStatements =
stmtLists.children(PythonGrammar.SIMPLE_STMT).children().filter(NOT_PASS_PREDICATE);
if (nonPassSimpleStatements.isEmpty() && !containsComment(suiteNode)) {
getContext().createLineViolation(this, MESSAGE, stmtLists.get(0));
}
}