// Compute the edit distance between the two given strings.
unsigned StringRef::edit_distance(llvm::StringRef Other,
bool AllowReplacements,
unsigned MaxEditDistance) {
return llvm::ComputeEditDistance(
llvm::ArrayRef<char>(data(), size()),
llvm::ArrayRef<char>(Other.data(), Other.size()),
AllowReplacements, MaxEditDistance);
}
// Compute the edit distance between the two given strings.
unsigned StringRef::edit_distance(llvm::StringRef Other,
bool AllowReplacements,
unsigned MaxEditDistance) const {
return llvm::ComputeEditDistance(
makeArrayRef(data(), size()),
makeArrayRef(Other.data(), Other.size()),
AllowReplacements, MaxEditDistance);
}
void Diagnostic::SetDelayedDiagnostic(unsigned DiagID, llvm::StringRef Arg1,
llvm::StringRef Arg2) {
if (DelayedDiagID)
return;
DelayedDiagID = DiagID;
DelayedDiagArg1 = Arg1.str();
DelayedDiagArg2 = Arg2.str();
}
lldb::ScriptLanguage
ScriptInterpreter::StringToLanguage(const llvm::StringRef &language) {
if (language.equals_lower(LanguageToString(eScriptLanguageNone)))
return eScriptLanguageNone;
else if (language.equals_lower(LanguageToString(eScriptLanguagePython)))
return eScriptLanguagePython;
else
return eScriptLanguageUnknown;
}
void PythonString::SetString(llvm::StringRef string) {
#if PY_MAJOR_VERSION >= 3
PyObject *unicode = PyUnicode_FromStringAndSize(string.data(), string.size());
PythonObject::Reset(PyRefType::Owned, unicode);
#else
PyObject *str = PyString_FromStringAndSize(string.data(), string.size());
PythonObject::Reset(PyRefType::Owned, str);
#endif
}
bool
impl::ElfMatch_x86_amd64(llvm::StringRef arch_keyword,
llvm::StringRef arch_machine,
ElfClass cls)
{
return (arch_keyword.equals_lower("x86") &&
arch_machine.equals_lower("amd64") &&
(cls == ELFCLASSNONE || cls == ELFCLASS64));
}
Type *vaListType() override {
// We need to pass the actual va_list type for correct mangling. Simply
// using TypeIdentifier here is a bit wonky but works, as long as the name
// is actually available in the scope (this is what DMD does, so if a better
// solution is found there, this should be adapted).
static const llvm::StringRef ident = "__va_list";
return (createTypeIdentifier(
Loc(), Identifier::idPool(ident.data(), ident.size())));
}
void redirect(llvm::StringRef file, bool apnd,
MetaProcessor::RedirectionScope scope) {
if (file.empty()) {
// Unredirection, remove last redirection state(s) for given scope(s)
if (m_Stack.empty()) {
cling::errs() << "No redirections left to remove\n";
return;
}
MetaProcessor::RedirectionScope lScope = scope;
SmallVector<RedirectStack::iterator, 2> Remove;
for (auto it = m_Stack.rbegin(), e = m_Stack.rend(); it != e; ++it) {
Redirect *R = (*it).get();
const unsigned Match = R->Scope & lScope;
if (Match) {
#ifdef LLVM_ON_WIN32
// stdout back from stderr, fix up our console output on destruction
if (m_TTY && R->FD == m_Bak[1] && scope & kSTDOUT)
m_TTY = 2;
#endif
// Clear the flag so restore below will ignore R for scope
R->Scope = MetaProcessor::RedirectionScope(R->Scope & ~Match);
// If no scope left, then R should be removed
if (!R->Scope) {
// standard [24.4.1/1] says &*(reverse_iterator(i)) == &*(i - 1)
Remove.push_back(std::next(it).base());
}
// Clear match to reduce lScope (kSTDBOTH -> kSTDOUT or kSTDERR)
lScope = MetaProcessor::RedirectionScope(lScope & ~Match);
// If nothing to match anymore, then we're done
if (!lScope)
break;
}
}
// std::vector::erase invalidates iterators at or after the point of
// the erase, so if we reverse iterate on Remove everything is fine
for (auto it = Remove.rbegin(), e = Remove.rend(); it != e; ++it)
m_Stack.erase(*it);
} else {
// Add new redirection state
if (push(new Redirect(file.str(), apnd, scope, m_Bak)) != kInvalidFD) {
// Save a backup for the scope(s), if not already done
if (scope & MetaProcessor::kSTDOUT)
dupOnce(STDOUT_FILENO, m_Bak[0]);
if (scope & MetaProcessor::kSTDERR)
dupOnce(STDERR_FILENO, m_Bak[1]);
} else
return; // Failure
}
if (scope & MetaProcessor::kSTDOUT)
m_CurStdOut =
restore(STDOUT_FILENO, stdout, MetaProcessor::kSTDOUT, m_Bak[0]);
if (scope & MetaProcessor::kSTDERR)
restore(STDERR_FILENO, stderr, MetaProcessor::kSTDERR, m_Bak[1]);
}
static bool doesNoDiscardMacroExist(ASTContext &Context,
const llvm::StringRef &MacroId) {
// Don't check for the Macro existence if we are using an attribute
// either a C++17 standard attribute or pre C++17 syntax
if (MacroId.startswith("[[") || MacroId.startswith("__attribute__"))
return true;
// Otherwise look up the macro name in the context to see if its defined.
return Context.Idents.get(MacroId).hasMacroDefinition();
}
void ClangDocBitcodeWriter::emitRecord(llvm::StringRef Str, RecordId ID) {
assert(RecordIdNameMap[ID] && "Unknown RecordId.");
assert(RecordIdNameMap[ID].Abbrev == &StringAbbrev &&
"Abbrev type mismatch.");
if (!prepRecordData(ID, !Str.empty()))
return;
assert(Str.size() < (1U << BitCodeConstants::StringLengthSize));
Record.push_back(Str.size());
Stream.EmitRecordWithBlob(Abbrevs.get(ID), Record, Str);
}
std::string Context::demangleTypeAsString(llvm::StringRef MangledName,
const DemangleOptions &Options) {
NodePointer root = demangleTypeAsNode(MangledName);
if (!root) return MangledName.str();
std::string demangling = nodeToString(root, Options);
if (demangling.empty())
return MangledName.str();
return demangling;
}
lldb::SymbolType
ObjectFile::GetSymbolTypeFromName(llvm::StringRef name,
lldb::SymbolType symbol_type_hint) {
if (!name.empty()) {
if (name.startswith("_T")) {
// Swift
if (name.startswith("_TM"))
return lldb::eSymbolTypeMetadata;
if (name.startswith("_TWvd"))
return lldb::eSymbolTypeIVarOffset;
} else if (name.startswith("_OBJC_")) {
// ObjC
if (name.startswith("_OBJC_CLASS_$_"))
return lldb::eSymbolTypeObjCClass;
if (name.startswith("_OBJC_METACLASS_$_"))
return lldb::eSymbolTypeObjCMetaClass;
if (name.startswith("_OBJC_IVAR_$_"))
return lldb::eSymbolTypeObjCIVar;
} else if (name.startswith(".objc_class_name_")) {
// ObjC v1
return lldb::eSymbolTypeObjCClass;
}
}
return symbol_type_hint;
}
static void EscapeBackticks(llvm::StringRef str, std::string &dst) {
dst.clear();
dst.reserve(str.size());
for (size_t i = 0, e = str.size(); i != e; ++i) {
char c = str[i];
if (c == '`') {
if (i == 0 || str[i - 1] != '\\')
dst += '\\';
}
dst += c;
}
}
Symbol symbol(llvm::StringRef QName) {
Symbol Sym;
Sym.ID = SymbolID(QName.str());
size_t Pos = QName.rfind("::");
if (Pos == llvm::StringRef::npos) {
Sym.Name = QName;
Sym.Scope = "";
} else {
Sym.Name = QName.substr(Pos + 2);
Sym.Scope = QName.substr(0, Pos + 2);
}
return Sym;
}
void ErrorBase::SetGlobalWPIError(llvm::StringRef errorMessage,
llvm::StringRef contextMessage,
llvm::StringRef filename,
llvm::StringRef function,
uint32_t lineNumber) {
std::string err = errorMessage.str() + ": " + contextMessage.str();
std::lock_guard<priority_mutex> mutex(_globalErrorMutex);
if (_globalError.GetCode() != 0) {
_globalError.Clear();
}
_globalError.Set(-1, err, filename, function, lineNumber, nullptr);
}
MCLDDirectory::MCLDDirectory(llvm::StringRef pName)
: Directory(), m_Name(pName.data(), pName.size()) {
Directory::m_Path.assign(pName.str());
if (!Directory::m_Path.empty())
m_bInSysroot = ('=' == Directory::m_Path.native()[0]);
Directory::m_Path.m_append_separator_if_needed();
if (m_bInSysroot)
Directory::m_Path.native().erase(Directory::m_Path.native().begin());
else
detail::open_dir(*this);
}
int MetaProcessor::process(llvm::StringRef input_line,
Interpreter::CompilationResult& compRes,
Value* result,
bool disableValuePrinting /* = false */) {
if (result)
*result = Value();
compRes = Interpreter::kSuccess;
int expectedIndent = m_InputValidator->getExpectedIndent();
if (expectedIndent)
compRes = Interpreter::kMoreInputExpected;
if (input_line.empty() ||
(input_line.size() == 1 && input_line.front() == '\n')) {
// just a blank line, nothing to do.
return expectedIndent;
}
// Check for and handle meta commands.
m_MetaParser->enterNewInputLine(input_line);
MetaSema::ActionResult actionResult = MetaSema::AR_Success;
if (!m_InputValidator->inBlockComment() &&
m_MetaParser->isMetaCommand(actionResult, result)) {
if (m_MetaParser->isQuitRequested())
return -1;
if (actionResult != MetaSema::AR_Success)
compRes = Interpreter::kFailure;
// ExpectedIndent might have changed after meta command.
return m_InputValidator->getExpectedIndent();
}
// Check if the current statement is now complete. If not, return to
// prompt for more.
if (m_InputValidator->validate(input_line) == InputValidator::kIncomplete) {
compRes = Interpreter::kMoreInputExpected;
return m_InputValidator->getExpectedIndent();
}
// We have a complete statement, compile and execute it.
std::string input;
m_InputValidator->reset(&input);
// if (m_Options.RawInput)
// compResLocal = m_Interp.declare(input);
// else
compRes = m_Interp.process(input, result, /*Transaction*/ nullptr,
disableValuePrinting);
return 0;
}
void Interpreter::GenerateAutoloadingMap(llvm::StringRef inFile,
llvm::StringRef outFile,
bool enableMacros,
bool enableLogs) {
const char *const dummy="cling";
// Create an interpreter without any runtime, producing the fwd decls.
cling::Interpreter fwdGen(1, &dummy, nullptr, true);
// Copy the same header search options to the new instance.
Preprocessor& fwdGenPP = fwdGen.getCI()->getPreprocessor();
HeaderSearchOptions headerOpts = getCI()->getHeaderSearchOpts();
clang::ApplyHeaderSearchOptions(fwdGenPP.getHeaderSearchInfo(), headerOpts,
fwdGenPP.getLangOpts(),
fwdGenPP.getTargetInfo().getTriple());
CompilationOptions CO;
CO.DeclarationExtraction = 0;
CO.ValuePrinting = 0;
CO.ResultEvaluation = 0;
CO.DynamicScoping = 0;
CO.Debug = isPrintingDebug();
std::string includeFile = std::string("#include \"") + inFile.str() + "\"";
cling::Transaction* T = fwdGen.m_IncrParser->Parse(includeFile , CO);
// If this was already #included we will get a T == 0.
if (!T)
return;
std::string err;
llvm::raw_fd_ostream out(outFile.data(), err,
llvm::sys::fs::OpenFlags::F_None);
if (enableLogs){
llvm::raw_fd_ostream log(llvm::Twine(outFile).concat(llvm::Twine(".skipped")).str().c_str(),
err, llvm::sys::fs::OpenFlags::F_None);
log << "Generated for :" << inFile << "\n";
ForwardDeclPrinter visitor(out, log, fwdGen.getSema().getSourceManager(), *T);
visitor.printStats();
}
else {
llvm::raw_null_ostream sink;
ForwardDeclPrinter visitor(out, sink, fwdGen.getSema().getSourceManager(), *T);
}
// Avoid assertion in the ~IncrementalParser.
T->setState(Transaction::kCommitted);
// unload(1);
return;
}
void WireEncoder::WriteString(llvm::StringRef str) {
// length
std::size_t len = str.size();
if (m_proto_rev < 0x0300u) {
if (len > 0xffff) len = 0xffff; // Limited to 64K length; truncate
Write16(len);
} else
WriteUleb128(len);
// contents
Reserve(len);
std::memcpy(m_cur, str.data(), len);
m_cur += len;
}
InclusionDirective::InclusionDirective(PreprocessingRecord &PPRec,
InclusionKind Kind,
llvm::StringRef FileName,
bool InQuotes, const FileEntry *File,
SourceRange Range)
: PreprocessingDirective(InclusionDirectiveKind, Range),
InQuotes(InQuotes), Kind(Kind), File(File)
{
char *Memory
= (char*)PPRec.Allocate(FileName.size() + 1, llvm::alignOf<char>());
memcpy(Memory, FileName.data(), FileName.size());
Memory[FileName.size()] = 0;
this->FileName = llvm::StringRef(Memory, FileName.size());
}
lldb::OptionValueSP
OptionValueDictionary::GetSubValue(const ExecutionContext *exe_ctx,
llvm::StringRef name, bool will_modify,
Status &error) const {
lldb::OptionValueSP value_sp;
if (name.empty())
return nullptr;
llvm::StringRef left, temp;
std::tie(left, temp) = name.split('[');
if (left.size() == name.size()) {
error.SetErrorStringWithFormat("invalid value path '%s', %s values only "
"support '[<key>]' subvalues where <key> "
"a string value optionally delimited by "
"single or double quotes",
name.str().c_str(), GetTypeAsCString());
return nullptr;
}
assert(!temp.empty());
llvm::StringRef key, quote_char;
if (temp[0] == '\"' || temp[0] == '\'') {
quote_char = temp.take_front();
temp = temp.drop_front();
}
llvm::StringRef sub_name;
std::tie(key, sub_name) = temp.split(']');
if (!key.consume_back(quote_char) || key.empty()) {
error.SetErrorStringWithFormat("invalid value path '%s', "
"key names must be formatted as ['<key>'] where <key> "
"is a string that doesn't contain quotes and the quote"
" char is optional", name.str().c_str());
return nullptr;
}
value_sp = GetValueForKey(ConstString(key));
if (!value_sp) {
error.SetErrorStringWithFormat(
"dictionary does not contain a value for the key name '%s'",
key.str().c_str());
return nullptr;
}
if (sub_name.empty())
return value_sp;
return value_sp->GetSubValue(exe_ctx, sub_name, will_modify, error);
}
std::string Context::getThunkTarget(llvm::StringRef MangledName) {
if (!isThunkSymbol(MangledName))
return std::string();
if (isMangledName(MangledName)) {
// The targets of those thunks not derivable from the mangling.
if (MangledName.endswith("TR") ||
MangledName.endswith("Tr") ||
MangledName.endswith("TW") )
return std::string();
if (MangledName.endswith("fC")) {
std::string target = MangledName.str();
target[target.size() - 1] = 'c';
return target;
}
return MangledName.substr(0, MangledName.size() - 2).str();
}
// Old mangling.
assert(MangledName.startswith("_T"));
StringRef Remaining = MangledName.substr(2);
if (Remaining.startswith("PA_"))
return Remaining.substr(3).str();
if (Remaining.startswith("PAo_"))
return Remaining.substr(4).str();
assert(Remaining.startswith("To") || Remaining.startswith("TO"));
return std::string("_T") + Remaining.substr(2).str();
}
bool RSContext::insertExportType(const llvm::StringRef &TypeName,
RSExportType *ET) {
ExportTypeMap::value_type *NewItem =
ExportTypeMap::value_type::Create(TypeName.begin(),
TypeName.end(),
mExportTypes.getAllocator(),
ET);
if (mExportTypes.insert(NewItem)) {
return true;
} else {
free(NewItem);
return false;
}
}
uint32_t
PythonFile::GetOptionsFromMode(llvm::StringRef mode)
{
if (mode.empty())
return 0;
return llvm::StringSwitch<uint32_t>(mode.str().c_str())
.Case("r", File::eOpenOptionRead)
.Case("w", File::eOpenOptionWrite)
.Case("a", File::eOpenOptionWrite|File::eOpenOptionAppend|File::eOpenOptionCanCreate)
.Case("r+", File::eOpenOptionRead|File::eOpenOptionWrite)
.Case("w+", File::eOpenOptionRead|File::eOpenOptionWrite|File::eOpenOptionCanCreate|File::eOpenOptionTruncate)
.Case("a+", File::eOpenOptionRead|File::eOpenOptionWrite|File::eOpenOptionAppend|File::eOpenOptionCanCreate)
.Default(0);
}
PythonObject
PythonObject::ResolveNameWithDictionary(llvm::StringRef name,
const PythonDictionary &dict) {
size_t dot_pos = name.find('.');
llvm::StringRef piece = name.substr(0, dot_pos);
PythonObject result = dict.GetItemForKey(PythonString(piece));
if (dot_pos == llvm::StringRef::npos) {
// There was no dot, we're done.
return result;
}
// There was a dot. The remaining portion of the name should be looked up in
// the context of the object that was found in the dictionary.
return result.ResolveName(name.substr(dot_pos + 1));
}
/**
* @brief Set the current error information associated with this sensor.
*
* @param errorMessage The error message from WPIErrors.h
* @param contextMessage A custom message from the code that set the error.
* @param filename Filename of the error source
* @param function Function of the error source
* @param lineNumber Line number of the error source
*/
void ErrorBase::SetWPIError(llvm::StringRef errorMessage, Error::Code code,
llvm::StringRef contextMessage,
llvm::StringRef filename, llvm::StringRef function,
uint32_t lineNumber) const {
std::string err = errorMessage.str() + ": " + contextMessage.str();
// Set the current error information for this object.
m_error.Set(code, err, filename, function, lineNumber, this);
// Update the global error if there is not one already set.
std::lock_guard<priority_mutex> mutex(_globalErrorMutex);
if (_globalError.GetCode() == 0) {
_globalError.Clone(m_error);
}
}
void AutoloadCallback::report(clang::SourceLocation l, llvm::StringRef name,
llvm::StringRef header) {
Sema& sema= m_Interpreter->getSema();
unsigned id
= sema.getDiagnostics().getCustomDiagID (DiagnosticsEngine::Level::Warning,
"Note: '%0' can be found in %1");
/* unsigned idn //TODO: To be enabled after we have a way to get the full path
= sema.getDiagnostics().getCustomDiagID(DiagnosticsEngine::Level::Note,
"Type : %0 , Full Path: %1")*/;
if (header.startswith(llvm::StringRef(annoTag, lenAnnoTag)))
sema.Diags.Report(l, id) << name << header.drop_front(lenAnnoTag);
}
Status OptionValueChar::SetValueFromString(llvm::StringRef value,
VarSetOperationType op) {
Status error;
switch (op) {
case eVarSetOperationClear:
Clear();
break;
case eVarSetOperationReplace:
case eVarSetOperationAssign: {
bool success = false;
char char_value = OptionArgParser::ToChar(value, '\0', &success);
if (success) {
m_current_value = char_value;
m_value_was_set = true;
} else
error.SetErrorStringWithFormat("'%s' cannot be longer than 1 character",
value.str().c_str());
} break;
default:
error = OptionValue::SetValueFromString(value, op);
break;
}
return error;
}
Error
OptionValueArch::SetValueFromString (llvm::StringRef value, VarSetOperationType op)
{
Error error;
switch (op)
{
case eVarSetOperationClear:
Clear();
NotifyValueChanged();
break;
case eVarSetOperationReplace:
case eVarSetOperationAssign:
{
std::string value_str = value.trim().str();
if (m_current_value.SetTriple (value_str.c_str()))
{
m_value_was_set = true;
NotifyValueChanged();
}
else
error.SetErrorStringWithFormat("unsupported architecture '%s'", value_str.c_str());
break;
}
case eVarSetOperationInsertBefore:
case eVarSetOperationInsertAfter:
case eVarSetOperationRemove:
case eVarSetOperationAppend:
case eVarSetOperationInvalid:
error = OptionValue::SetValueFromString (value, op);
break;
}
return error;
}
static bool isSharedLib(llvm::StringRef LibName, bool* exists = 0) {
using namespace llvm::sys::fs;
file_magic Magic;
std::error_code Error = identify_magic(LibName, Magic);
bool onDisk = (Error != std::errc::no_such_file_or_directory);
if (exists)
*exists = onDisk;
return onDisk &&
#ifdef __APPLE__
(Magic == file_magic::macho_fixed_virtual_memory_shared_lib
|| Magic == file_magic::macho_dynamically_linked_shared_lib
|| Magic == file_magic::macho_dynamically_linked_shared_lib_stub
|| Magic == file_magic::macho_universal_binary)
#elif defined(LLVM_ON_UNIX)
#ifdef __CYGWIN__
(Magic == file_magic::pecoff_executable)
#else
(Magic == file_magic::elf_shared_object)
#endif
#elif defined(LLVM_ON_WIN32)
(Magic == file_magic::pecoff_executable || is_dll(LibName.str().c_str()))
#else
# error "Unsupported platform."
#endif
;
}