bool markedParentsAsSuppress(const T &node, clang::ASTContext &context, oclint::RuleBase *rule)
{
const auto &parents = context.getParents(node);
if (parents.empty())
{
return false;
}
clang::ast_type_traits::DynTypedNode dynTypedNode = parents.front();
const clang::Decl *aDecl = dynTypedNode.get<clang::Decl>();
if (aDecl)
{
if (markedAsSuppress(aDecl, rule))
{
return true;
}
return markedParentsAsSuppress(*aDecl, context, rule);
}
const clang::Stmt *aStmt = dynTypedNode.get<clang::Stmt>();
if (aStmt)
{
return markedParentsAsSuppress(*aStmt, context, rule);
}
return false;
}
void applyDecl(T *decl)
{
unsigned numOfParams = decl->param_size();
if (!markedAsSuppress(decl, this) && decl->hasBody()
&& numOfParams > _threshold)
{
string description = "Method with " + toString<int>(numOfParams) +
" parameters exceeds limit of " + toString<int>(_threshold);
addViolation(decl, this, description);
}
}
bool VisitDecl(clang::Decl *decl)
{
if (markedAsSuppress(decl, _rule))
{
clang::SourceLocation startLocation = decl->getLocStart();
clang::SourceLocation endLocation = decl->getLocEnd();
unsigned startLineNumber = _sourceManager->getPresumedLineNumber(startLocation);
unsigned endLineNumber = _sourceManager->getPresumedLineNumber(endLocation);
_range.insert(std::make_pair(startLineNumber, endLineNumber));
}
return true;
}
bool VisitParmVarDecl(ParmVarDecl *varDecl)
{
if (markedAsSuppress(varDecl, this))
{
return true;
}
if (!varDecl->isUsed() && hasVariableName(varDecl) && !isExistingByContract(varDecl))
{
addViolation(varDecl, this);
}
return true;
}
void applyDecl(Decl *decl)
{
if (markedAsSuppress(decl, this))
{
return;
}
int ccn = getCyclomaticComplexity(decl);
// In McBABE, 1976, A Complexity Measure, he suggested a reasonable number of 10
int threshold = RuleConfiguration::intForKey("CYCLOMATIC_COMPLEXITY", 10);
if (ccn > threshold)
{
string description = "Cyclomatic Complexity Number " +
toString<int>(ccn) + " exceeds limit of " + toString<int>(threshold);
addViolation(decl, this, description);
}
}
bool shouldSuppress(const clang::Decl *decl, clang::ASTContext &context, oclint::RuleBase *rule)
{
return markedAsSuppress(decl, rule) || markedParentsAsSuppress(*decl, context, rule);
}
