void DeprecatedIosBaseAliasesCheck::check(
const MatchFinder::MatchResult &Result) {
SourceManager &SM = *Result.SourceManager;
const auto *Typedef = Result.Nodes.getNodeAs<TypedefDecl>("TypeDecl");
StringRef TypeName = Typedef->getName();
bool HasReplacement = ReplacementTypes.count(TypeName);
const auto *TL = Result.Nodes.getNodeAs<TypeLoc>("TypeLoc");
SourceLocation IoStateLoc = TL->getBeginLoc();
// Do not generate fixits for matches depending on template arguments and
// macro expansions.
bool Fix = HasReplacement && !TL->getType()->isDependentType();
if (IoStateLoc.isMacroID()) {
IoStateLoc = SM.getSpellingLoc(IoStateLoc);
Fix = false;
}
SourceLocation EndLoc = IoStateLoc.getLocWithOffset(TypeName.size() - 1);
if (HasReplacement) {
auto FixName = ReplacementTypes.lookup(TypeName);
auto Builder = diag(IoStateLoc, "'std::ios_base::%0' is deprecated; use "
"'std::ios_base::%1' instead")
<< TypeName << FixName;
if (Fix)
Builder << FixItHint::CreateReplacement(SourceRange(IoStateLoc, EndLoc),
FixName);
} else
diag(IoStateLoc, "'std::ios_base::%0' is deprecated") << TypeName;
}
bool operator()(const Multilib &M) const override {
for (StringRef Flag : M.flags()) {
llvm::StringMap<bool>::const_iterator SI = FlagSet.find(Flag.substr(1));
if (SI != FlagSet.end())
if (SI->getValue() != isFlagEnabled(Flag))
return true;
}
return false;
}
// Register a directive at the specified marker.
void addDirective(StringRef MarkerName, const UnattachedDirective &UD) {
auto MarkerIt = Markers.find(MarkerName);
if (MarkerIt != Markers.end()) {
Marker &M = MarkerIt->second;
if (M.UseLoc.isInvalid())
M.UseLoc = UD.DirectivePos;
return attachDirective(Diags, UD, M.DefLoc);
}
DeferredDirectives[MarkerName].push_back(UD);
}
static void rename(llvm::StringMap<cl::Option *> &map, const char *from,
const char *to) {
auto i = map.find(from);
if (i != map.end()) {
cl::Option *opt = i->getValue();
map.erase(i);
opt->setArgStr(to);
map[to] = opt;
}
}
void CGObjCJit::GenerateClass(const ObjCImplementationDecl *ClassDecl) {
if (isUsable) {
const char* ClassName = ClassDecl->getIdentifier()->getNameStart();
void* Superclass = 0;
ObjCInterfaceDecl *superClassDecl =
ClassDecl->getClassInterface()->getSuperClass();
if (superClassDecl) {
const char* superClassName =
superClassDecl->getIdentifier()->getNameStart();
Superclass = _objc_getClass(superClassName);
}
void *theClass =
_objc_allocateClassPair(Superclass, ClassName, 0); // TODO: always zero?
// Add methods
AddMethodsToClass(theClass);
// Add interface ivars
const ObjCInterfaceDecl *classInterfaceDecl = ClassDecl->getClassInterface();
AddIvarsToClass(theClass,
classInterfaceDecl->ivar_begin(),
classInterfaceDecl->ivar_end());
// Add implementation ivars
AddIvarsToClass(theClass,
ClassDecl->ivar_begin(),
ClassDecl->ivar_end());
// Add protocols
ObjCInterfaceDecl::protocol_iterator protocol =
classInterfaceDecl->protocol_begin();
const ObjCInterfaceDecl::protocol_iterator protocol_end =
classInterfaceDecl->protocol_end();
while (protocol != protocol_end) {
void *theProtocol = 0;
// Search "locally" first, then from runtime
llvm::StringMap<void*>::iterator proto_local =
DefinedProtocols.find((*protocol)->getName());
if (proto_local != DefinedProtocols.end()) {
theProtocol = proto_local->second;
} else {
theProtocol = _objc_getProtocol((*protocol)->getNameAsString().c_str());
}
_class_addProtocol(theClass, theProtocol);
protocol++;
}
// Finalize class (adding methods later, at runtime, in init function)
_objc_registerClassPair(theClass);
}
}
int declare_variable(ast::Variable& it) {
if(variables.find(it.identifier) != variables.end()) {
std::cout << "Variable shadowing of "
<< it.identifier;
print_id(it.id);
std::cout << std::endl;
}
variables.insert(std::pair<llvm::StringRef, ast::Variable>(it.identifier,
it));
return EXIT_SUCCESS;
}
void displayCounts() {
vector<pair<int, string> > counts;
llvm::StringMap<int>::iterator cmi = countsMap.begin();
while (cmi != countsMap.end()) {
counts.push_back(make_pair(cmi->getValue(), cmi->getKey()));
++cmi;
}
sort(counts.begin(), counts.end());
for (unsigned i = 0; i < counts.size(); ++i) {
llvm::outs() << counts[i].second << " - " << counts[i].first << '\n';
}
}
static void
callHandler(const llvm::StringMap<std::unique_ptr<Handler>> &Handlers,
llvm::yaml::ScalarNode *Method, llvm::yaml::ScalarNode *Id,
llvm::yaml::MappingNode *Params, Handler *UnknownHandler) {
llvm::SmallString<10> MethodStorage;
auto I = Handlers.find(Method->getValue(MethodStorage));
auto *Handler = I != Handlers.end() ? I->second.get() : UnknownHandler;
if (Id)
Handler->handleMethod(Params, Id->getRawValue());
else
Handler->handleNotification(Params);
}
int declare_extern(ast::Extern* extrn) {
assert(extrn != nullptr);
if(functions.find(extrn->identifier) != functions.end()) {
std::cout << "Double declaration of "
<< extrn->identifier;
print_id(extrn->id);
std::cout << std::endl;
}
functions.insert(std::pair<llvm::StringRef, ast::Extern>(extrn->identifier,
*extrn));
return EXIT_SUCCESS;
}
void incrementCount(ObjectPtr obj) {
string buf;
llvm::raw_string_ostream sout(buf);
sout << obj;
string s = sout.str();
llvm::StringMap<int>::iterator i = countsMap.find(s);
if (i == countsMap.end()) {
countsMap[s] = 1;
}
else {
i->second += 1;
}
}
int check_call(ast::Call* call) {
assert(call != nullptr);
auto func = functions.find(call->function_name);
if(func == functions.end()) {
std::cout << "Unknown function "
<< call->function_name
<< " at "
<< call->id
<< std::endl;
return EXIT_FAILURE;
}
auto fun = func->getValue();
auto actual_argument_size = call->arguments.size();
auto prototype_argument_size = fun.arguments.size();
if(actual_argument_size < prototype_argument_size) {
std::cout << "Not enough arguments to "
<< fun.identifier
<< " (expected "
<< prototype_argument_size
<< ", got "
<< actual_argument_size
<< ")"
<< std::endl;
return EXIT_FAILURE;
}
if(actual_argument_size > prototype_argument_size && !fun.variadic) {
std::cout << "Too many arguments to "
<< fun.identifier
<< " (expected "
<< prototype_argument_size
<< ", got "
<< actual_argument_size
<< ")"
<< std::endl;
return EXIT_FAILURE;
}
check_coercion(call->type, fun.return_value, fun.identifier, call->id);
for (auto it = call->arguments.begin(); it != call->arguments.end(); ++it) {
auto op = it->get();
auto index = std::distance(call->arguments.begin(), it);
auto prototype_op = std::next(fun.arguments.begin(), index);
check_operation(op);
// Variadic functions.. don't check type.
if(prototype_op != fun.arguments.end()) {
check_coercion(op->type, prototype_op->type, "function argument", op->id);
}
}
return EXIT_SUCCESS;
}
llvm::Optional<DurationScale> getScaleForTimeInverse(llvm::StringRef Name) {
static const llvm::StringMap<DurationScale> ScaleMap(
{{"ToUnixHours", DurationScale::Hours},
{"ToUnixMinutes", DurationScale::Minutes},
{"ToUnixSeconds", DurationScale::Seconds},
{"ToUnixMillis", DurationScale::Milliseconds},
{"ToUnixMicros", DurationScale::Microseconds},
{"ToUnixNanos", DurationScale::Nanoseconds}});
auto ScaleIter = ScaleMap.find(std::string(Name));
if (ScaleIter == ScaleMap.end())
return llvm::None;
return ScaleIter->second;
}
void erase(const FileEntry *Entry) {
std::string FullPath(GetFullPath(Entry->getName()));
// Lowercase string because Windows filesystem is case insensitive.
FullPath = StringRef(FullPath).lower();
UniqueFiles.erase(FullPath);
}
/// getFile - Return an existing FileEntry with the given name if
/// there is already one; otherwise create and return a
/// default-constructed FileEntry.
FileEntry &getFile(const char *Name, const struct stat & /*StatBuf*/) {
std::string FullPath(GetFullPath(Name));
// Lowercase string because Windows filesystem is case insensitive.
FullPath = StringRef(FullPath).lower();
return UniqueFiles.GetOrCreateValue(FullPath).getValue();
}
static void hide(llvm::StringMap<cl::Option *> &map, const char *name) {
// Check if option exists first for resilience against LLVM changes
// between versions.
if (map.count(name)) {
map[name]->setHiddenFlag(cl::Hidden);
}
}
FileEntry &getFile(const char *Name, struct stat &StatBuf) {
std::string FullPath(GetFullPath(Name));
return UniqueFiles.GetOrCreateValue(
FullPath.c_str(),
FullPath.c_str() + FullPath.size()
).getValue();
}
namespace clay {
static llvm::StringMap<int> countsMap;
void incrementCount(ObjectPtr obj) {
string buf;
llvm::raw_string_ostream sout(buf);
sout << obj;
string s = sout.str();
llvm::StringMap<int>::iterator i = countsMap.find(s);
if (i == countsMap.end()) {
countsMap[s] = 1;
}
else {
i->second += 1;
}
}
void displayCounts() {
vector<pair<int, string> > counts;
llvm::StringMap<int>::iterator cmi = countsMap.begin();
while (cmi != countsMap.end()) {
counts.push_back(make_pair(cmi->getValue(), cmi->getKey()));
++cmi;
}
sort(counts.begin(), counts.end());
for (unsigned i = 0; i < counts.size(); ++i) {
llvm::outs() << counts[i].second << " - " << counts[i].first << '\n';
}
}
}
FileEntry &getFile(const char *Name, struct stat &StatBuf) {
std::string FullPath(GetFullPath(Name));
// LowercaseString because Windows filesystem is case insensitive.
FullPath = llvm::LowercaseString(FullPath);
return UniqueFiles.GetOrCreateValue(FullPath).getValue();
}
/// Check if a fixed size width buffer type matches the MPI datatype.
///
/// \param Typedef buffer type
/// \param BufferTypeName buffer type name, gets assigned
/// \param MPIDatatype name of the MPI datatype
///
/// \returns true if the type matches or the buffer type is unknown
static bool isTypedefTypeMatching(const TypedefType *const Typedef,
std::string &BufferTypeName,
const std::string &MPIDatatype) {
static llvm::StringMap<std::string> FixedWidthMatches = {
{"int8_t", "MPI_INT8_T"}, {"int16_t", "MPI_INT16_T"},
{"int32_t", "MPI_INT32_T"}, {"int64_t", "MPI_INT64_T"},
{"uint8_t", "MPI_UINT8_T"}, {"uint16_t", "MPI_UINT16_T"},
{"uint32_t", "MPI_UINT32_T"}, {"uint64_t", "MPI_UINT64_T"}};
const auto it = FixedWidthMatches.find(Typedef->getDecl()->getName());
// Check if the typedef is known and not matching the MPI datatype.
if (it != FixedWidthMatches.end() && it->getValue() != MPIDatatype) {
BufferTypeName = Typedef->getDecl()->getName();
return false;
}
return true;
}
int check_variable(ast::Variable* var) {
assert(var != nullptr);
auto ptr = variables.find(var->identifier);
assert_existing_variable(ptr, var->identifier, var->id);
auto expected = ptr->getValue().type;
return check_coercion(var->type, expected, var->identifier, var->id);
}
void assert_existing_variable(llvm::StringMapIterator<ast::Variable> ptr, std::string identifier, int id = -1) {
if(ptr == variables.end()) {
std::cout << "Unknown variable "
<< identifier;
print_id(id);
std::cout << std::endl;
}
}
int check_assignment(ast::Assignment* assignment) {
assert(assignment != nullptr);
auto ptr = variables.find(assignment->identifier);
assert_existing_variable(ptr, assignment->identifier, assignment->id);
auto val = assignment->value.get();
check_operation(val);
return check_coercion(val->type, ptr->getValue().type, "assignment", assignment->id);
}
static FoundationClass findKnownClass(const ObjCInterfaceDecl *ID) {
static llvm::StringMap<FoundationClass> Classes;
if (Classes.empty()) {
Classes["NSArray"] = FC_NSArray;
Classes["NSDictionary"] = FC_NSDictionary;
Classes["NSEnumerator"] = FC_NSEnumerator;
Classes["NSOrderedSet"] = FC_NSOrderedSet;
Classes["NSSet"] = FC_NSSet;
Classes["NSString"] = FC_NSString;
}
// FIXME: Should we cache this at all?
FoundationClass result = Classes.lookup(ID->getIdentifier()->getName());
if (result == FC_None)
if (const ObjCInterfaceDecl *Super = ID->getSuperClass())
return findKnownClass(Super);
return result;
}
llvm::Optional<DurationScale> getScaleForDurationInverse(llvm::StringRef Name) {
static const llvm::StringMap<DurationScale> ScaleMap(
{{"ToDoubleHours", DurationScale::Hours},
{"ToInt64Hours", DurationScale::Hours},
{"ToDoubleMinutes", DurationScale::Minutes},
{"ToInt64Minutes", DurationScale::Minutes},
{"ToDoubleSeconds", DurationScale::Seconds},
{"ToInt64Seconds", DurationScale::Seconds},
{"ToDoubleMilliseconds", DurationScale::Milliseconds},
{"ToInt64Milliseconds", DurationScale::Milliseconds},
{"ToDoubleMicroseconds", DurationScale::Microseconds},
{"ToInt64Microseconds", DurationScale::Microseconds},
{"ToDoubleNanoseconds", DurationScale::Nanoseconds},
{"ToInt64Nanoseconds", DurationScale::Nanoseconds}});
auto ScaleIter = ScaleMap.find(std::string(Name));
if (ScaleIter == ScaleMap.end())
return llvm::None;
return ScaleIter->second;
}
llvm::Value *CGObjCJit::GenerateProtocolRef(CodeGenFunction &CGF,
const ObjCProtocolDecl *PD) {
if (isUsable) {
llvm::Value *theProtocol;
// If not locally defined, retrieve from runtime
llvm::StringMap<void*>::iterator it =
DefinedProtocols.find(PD->getIdentifier()->getNameStart());
if (it != DefinedProtocols.end()) {
theProtocol =
llvm::Constant::getIntegerValue(ObjCTypes.ProtocolPtrTy,
llvm::APInt(sizeof(void*) * 8,
(uint64_t)it->second));
} else {
llvm::Value *ProtocolName =
CGF.Builder.CreateGlobalStringPtr(PD->getNameAsString());
theProtocol = CGF.Builder.CreateCall(fn_objc_getProtocol, ProtocolName);
}
return CGF.Builder.CreateBitCast(theProtocol, ObjCTypes.getExternalProtocolPtrTy());
}
return 0;
}
// Register a marker.
void addMarker(StringRef MarkerName, SourceLocation Pos) {
auto InsertResult = Markers.insert(
{MarkerName, Marker{Pos, SourceLocation(), SourceLocation()}});
Marker &M = InsertResult.first->second;
if (!InsertResult.second) {
// Marker was redefined.
M.RedefLoc = Pos;
} else {
// First definition: build any deferred directives.
auto Deferred = DeferredDirectives.find(MarkerName);
if (Deferred != DeferredDirectives.end()) {
for (auto &UD : Deferred->second) {
if (M.UseLoc.isInvalid())
M.UseLoc = UD.DirectivePos;
attachDirective(Diags, UD, Pos);
}
DeferredDirectives.erase(Deferred);
}
}
}
llvm::Constant* embedRelocatablePtr(const void* addr, llvm::Type* type, llvm::StringRef shared_name) {
assert(addr);
if (!ENABLE_JIT_OBJECT_CACHE)
return embedConstantPtr(addr, type);
std::string name;
if (!shared_name.empty()) {
llvm::GlobalVariable* gv = g.cur_module->getGlobalVariable(shared_name, true);
if (gv)
return gv;
assert(!relocatable_syms.count(name));
name = shared_name;
} else {
name = (llvm::Twine("c") + llvm::Twine(relocatable_syms.size())).str();
}
relocatable_syms[name] = addr;
llvm::Type* var_type = type->getPointerElementType();
return new llvm::GlobalVariable(*g.cur_module, var_type, true, llvm::GlobalVariable::ExternalLinkage, 0, name);
}
static void collectCheckers(const CheckerRegistry::CheckerInfoList &checkers,
const llvm::StringMap<size_t> &packageSizes,
CheckerOptInfo &opt, CheckerInfoSet &collected) {
// Use a binary search to find the possible start of the package.
CheckerRegistry::CheckerInfo packageInfo(NULL, opt.getName(), "");
CheckerRegistry::CheckerInfoList::const_iterator e = checkers.end();
CheckerRegistry::CheckerInfoList::const_iterator i =
std::lower_bound(checkers.begin(), e, packageInfo, checkerNameLT);
// If we didn't even find a possible package, give up.
if (i == e)
return;
// If what we found doesn't actually start the package, give up.
if (!isInPackage(*i, opt.getName()))
return;
// There is at least one checker in the package; claim the option.
opt.claim();
// See how large the package is.
// If the package doesn't exist, assume the option refers to a single checker.
size_t size = 1;
llvm::StringMap<size_t>::const_iterator packageSize =
packageSizes.find(opt.getName());
if (packageSize != packageSizes.end())
size = packageSize->getValue();
// Step through all the checkers in the package.
for (e = i+size; i != e; ++i) {
if (opt.isEnabled())
collected.insert(&*i);
else
collected.remove(&*i);
}
}
int check_func(ast::Func* func) {
assert(func != nullptr);
for (auto it = func->arguments.begin(); it != func->arguments.end(); ++it) {
declare_variable(*it);
}
// Allocate memory on stack for local variables
for (auto it = func->local_variables.begin(); it != func->local_variables.end(); ++it) {
declare_variable(*it);
}
this->current_function = func;
check_body(func->body);
// TODO: check for return value?
auto return_ = std::make_shared<ast::Return>();
return_->value =
std::make_shared<ast::Constant>(default_value_for(func->return_value));
func->body.push_back(return_);
this->current_function = nullptr;
variables.clear();
return EXIT_SUCCESS;
}
size_t size() const { return UniqueDirs.size(); }
