virtual void HandleTranslationUnit(TranslationUnit& tu) {
// called when everything is done
UsageMap uses;
for (int i = 0; i < globals.size(); ++i) {
uses[globals[i]] = vector<DeclRefExpr*>();
}
FindUsages fu(uses);
for (int i = 0; i < functions.size(); ++i) {
fu.process(functions[i]);
}
for (int i = 0; i < globals.size(); ++i) {
VarDecl* VD = globals[i];
FullSourceLoc loc(VD->getLocation(), *sm);
bool isStatic = VD->getStorageClass() == VarDecl::Static;
cout << "<span class=\"global\">" << loc.getSourceName() << ": "
<< (isStatic?"static ":"") << VD->getName()
<< " (" << uses[VD].size() << " local uses)"
<< "\n</span>";
cout << "<span class=\"uses\">";
for (int j = 0; j < uses[VD].size(); ++j) {
DeclRefExpr* dre = uses[VD][j];
FunctionDecl* fd = enclosing[dre];
FullSourceLoc loc(dre->getLocStart(), *sm);
cout << " " << fd->getName() << ":"
<< loc.getLogicalLineNumber() << "\n";
}
cout << "</span>";
}
}
void UnnecessaryValueParamCheck::handleMoveFix(const ParmVarDecl &Var,
const DeclRefExpr &CopyArgument,
const ASTContext &Context) {
auto Diag = diag(CopyArgument.getLocStart(),
"parameter %0 is passed by value and only copied once; "
"consider moving it to avoid unnecessary copies")
<< &Var;
// Do not propose fixes in macros since we cannot place them correctly.
if (CopyArgument.getLocStart().isMacroID())
return;
const auto &SM = Context.getSourceManager();
auto EndLoc = Lexer::getLocForEndOfToken(CopyArgument.getLocation(), 0, SM,
Context.getLangOpts());
Diag << FixItHint::CreateInsertion(CopyArgument.getLocStart(), "std::move(")
<< FixItHint::CreateInsertion(EndLoc, ")");
if (auto IncludeFixit = Inserter->CreateIncludeInsertion(
SM.getFileID(CopyArgument.getLocStart()), "utility",
/*IsAngled=*/true))
Diag << *IncludeFixit;
}
void Fix(CompoundStmt* CS) {
if (!CS->size())
return;
typedef llvm::SmallVector<Stmt*, 32> Statements;
Statements Stmts;
Stmts.append(CS->body_begin(), CS->body_end());
for (Statements::iterator I = Stmts.begin(); I != Stmts.end(); ++I) {
if (!TraverseStmt(*I) && !m_HandledDecls.count(m_FoundDRE->getDecl())) {
Sema::DeclGroupPtrTy VDPtrTy
= m_Sema->ConvertDeclToDeclGroup(m_FoundDRE->getDecl());
StmtResult DS = m_Sema->ActOnDeclStmt(VDPtrTy,
m_FoundDRE->getLocStart(),
m_FoundDRE->getLocEnd());
assert(!DS.isInvalid() && "Invalid DeclStmt.");
I = Stmts.insert(I, DS.take());
m_HandledDecls.insert(m_FoundDRE->getDecl());
}
}
CS->setStmts(m_Sema->getASTContext(), Stmts.data(), Stmts.size());
}
