bool lineBasedShouldSuppress(int beginLine, clang::ASTContext &context)
{
std::string filePath = getMainFilePath(context);
auto commentLinesIt = singleLineMapping.find(filePath);
std::set<int> commentLines;
if (commentLinesIt == singleLineMapping.end())
{
clang::RawCommentList commentList = context.getRawCommentList();
clang::ArrayRef<clang::RawComment *> commentArray = commentList.getComments();
for (auto comment : commentArray)
{
if (std::string::npos !=
comment->getRawText(context.getSourceManager()).find("//!OCLINT"))
{
clang::SourceLocation startLocation = comment->getLocStart();
int startLocationLine =
context.getSourceManager().getPresumedLineNumber(startLocation);
commentLines.insert(startLocationLine);
}
}
singleLineMapping[filePath] = commentLines;
}
else
{
commentLines = commentLinesIt->second;
}
return commentLines.find(beginLine) != commentLines.end();
}
static clang::CanQualType getClangMetatypeType(
const clang::ASTContext &clangCtx) {
clang::QualType clangType =
clangCtx.getObjCObjectType(clangCtx.ObjCBuiltinClassTy, 0, 0);
clangType = clangCtx.getObjCObjectPointerType(clangType);
return clangCtx.getCanonicalType(clangType);
}
static void StreamArr(llvm::raw_ostream& o, const void* V, clang::QualType Ty,
clang::ASTContext& C) {
const clang::ArrayType* ArrTy = Ty->getAsArrayTypeUnsafe();
clang::QualType ElementTy = ArrTy->getElementType();
if (ElementTy->isCharType())
StreamCharPtr(o, (const char*)V);
else if (Ty->isConstantArrayType()) {
// Stream a constant array by streaming up to 5 elements.
const clang::ConstantArrayType* CArrTy
= C.getAsConstantArrayType(Ty);
const llvm::APInt& APSize = CArrTy->getSize();
size_t ElBytes = C.getTypeSize(ElementTy) / C.getCharWidth();
size_t Size = (size_t)APSize.getZExtValue();
o << "{ ";
for (size_t i = 0; i < Size; ++i) {
StreamValue(o, (const char*) V + i * ElBytes, ElementTy, C);
if (i + 1 < Size) {
if (i == 4) {
o << "...";
break;
}
else o << ", ";
}
}
o << " }";
} else
StreamPtr(o, V);
}
static clang::CanQualType getClangIdType(
const clang::ASTContext &clangCtx) {
clang::QualType clangType =
clangCtx.getObjCObjectType(clangCtx.ObjCBuiltinIdTy, nullptr, 0);
clangType = clangCtx.getObjCObjectPointerType(clangType);
return clangCtx.getCanonicalType(clangType);
}
static clang::CanQualType getClangDecayedVaListType(
const clang::ASTContext &clangCtx) {
clang::QualType clangType =
clangCtx.getCanonicalType(clangCtx.getBuiltinVaListType());
if (clangType->isConstantArrayType())
clangType = clangCtx.getDecayedType(clangType);
return clangCtx.getCanonicalType(clangType);
}
static clang::CanQualType getClangVectorType(const clang::ASTContext &ctx,
clang::BuiltinType::Kind eltKind,
clang::VectorType::VectorKind vecKind,
StringRef numEltsString) {
unsigned numElts;
bool failedParse = numEltsString.getAsInteger<unsigned>(10, numElts);
assert(!failedParse && "vector type name didn't end in count?");
(void) failedParse;
auto eltTy = getClangBuiltinTypeFromKind(ctx, eltKind);
auto vecTy = ctx.getVectorType(eltTy, numElts, vecKind);
return ctx.getCanonicalType(vecTy);
}
virtual void HandleTranslationUnit(clang::ASTContext &ctx)
{
llvm::raw_ostream &out = llvm::errs();
clang::TranslationUnitDecl *translationUnit = ctx.getTranslationUnitDecl();
MyDeclVisitor(out, _astinfo).Visit(translationUnit);
}
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 HandleTranslationUnit(clang::ASTContext &astContext) override {
const auto &sourceManager = astContext.getSourceManager();
const auto cursorSourceLocation = sourceManager.translateLineCol(sourceManager.getMainFileID(),
line,
column);
if (cursorSourceLocation.isValid())
collectUnifiedSymbolResoltions(astContext, cursorSourceLocation);
}
void ExitIfError(clang::ASTContext &Context)
{
DiagnosticsEngine & diags = Context.getDiagnostics();
if (diags.hasErrorOccurred()) {
unsigned DiagID = diags.getCustomDiagID(DiagnosticsEngine::Fatal,
"previous errors prevent further compilation");
diags.Report(DiagID);
exit(1);
}
}
void ReplaceArrayAccessWithIndex::HandleTranslationUnit(clang::ASTContext &Ctx)
{
TransAssert(Collector && "NULL Collector");
Collector->TraverseDecl(Ctx.getTranslationUnitDecl());
if (QueryInstanceOnly)
return;
if (TransformationCounter > ValidInstanceNum) {
TransError = TransMaxInstanceError;
return;
}
Ctx.getDiagnostics().setSuppressAllDiagnostics(false);
doRewrite();
if (Ctx.getDiagnostics().hasErrorOccurred() ||
Ctx.getDiagnostics().hasFatalErrorOccurred())
TransError = TransInternalError;
}
void WebCLConsumer::checkAndAnalyze(clang::ASTContext &context)
{
clang::TranslationUnitDecl *decl = context.getTranslationUnitDecl();
for (Visitors::iterator i = visitors_.begin(); i != visitors_.end(); ++i) {
// There is no point to continue if an error has been reported.
if (!hasErrors(context)) {
WebCLVisitor *visitor = (*i);
visitor->TraverseDecl(decl);
}
}
}
clang::Token GetTokenBeforeLocation(clang::SourceLocation loc,
const clang::ASTContext& ast_context) {
clang::Token token;
token.setKind(clang::tok::unknown);
clang::LangOptions lang_options = ast_context.getLangOpts();
const clang::SourceManager& source_manager = ast_context.getSourceManager();
clang::SourceLocation file_start_loc =
source_manager.getLocForStartOfFile(source_manager.getFileID(loc));
loc = loc.getLocWithOffset(-1);
while (loc != file_start_loc) {
loc = clang::Lexer::GetBeginningOfToken(loc, source_manager, lang_options);
if (!clang::Lexer::getRawToken(loc, token, source_manager, lang_options)) {
if (!token.is(clang::tok::comment)) {
break;
}
}
loc = loc.getLocWithOffset(-1);
}
return token;
}
PPIncludeCallback::PPIncludeCallback(
ParserContext& ctx_,
clang::ASTContext& astContext_,
MangledNameCache& mangledNameCache_,
clang::Preprocessor&) :
_ctx(ctx_),
_cppSourceType("CPP"),
_clangSrcMgr(astContext_.getSourceManager()),
_fileLocUtil(astContext_.getSourceManager()),
_mangledNameCache(mangledNameCache_)
{
}
RangeSet collect(clang::ASTContext &astContext, oclint::RuleBase *rule)
{
_rule = rule;
_sourceManager = &astContext.getSourceManager();
_range.clear();
clang::DeclContext *decl = astContext.getTranslationUnitDecl();
for (clang::DeclContext::decl_iterator declIt = decl->decls_begin(),
declEnd = decl->decls_end(); declIt != declEnd; ++declIt)
{
clang::SourceLocation startLocation = (*declIt)->getLocStart();
if (startLocation.isValid() &&
_sourceManager->getMainFileID() == _sourceManager->getFileID(startLocation))
{
(void) /* explicitly ignore the return of this function */
clang::RecursiveASTVisitor<DeclAnnotationRangeCollector>::TraverseDecl(*declIt);
}
}
return _range;
}
bool lineBasedShouldSuppress(int beginLine, clang::ASTContext &context)
{
std::string filePath = getMainFilePath(context);
auto commentLinesIt = singleLineMapping.find(filePath);
std::set<int> commentLines;
if (commentLinesIt == singleLineMapping.end())
{
clang::RawCommentList commentList = context.getRawCommentList();
clang::ArrayRef<clang::RawComment *> commentArray = commentList.getComments();
for (auto comment : commentArray)
{
// g++ 4.8 on Ubuntu 14.04 LTS doesn't support regex yet,
// so we will ship this once Ubuntu 16.04 releases
#if defined(__APPLE__) || defined(__MACH__)
std::string commentString = comment->getRawText(context.getSourceManager()).str();
std::regex CAPARegex =
std::regex("//! *CAPA", std::regex::basic | std::regex::icase);
if (std::regex_search(commentString, CAPARegex))
#else
if (std::string::npos !=
comment->getRawText(context.getSourceManager()).find("//!CAPA"))
#endif
{
clang::SourceLocation startLocation = comment->getLocStart();
int startLocationLine =
context.getSourceManager().getPresumedLineNumber(startLocation);
commentLines.insert(startLocationLine);
}
}
singleLineMapping[filePath] = commentLines;
}
else
{
commentLines = commentLinesIt->second;
}
return commentLines.find(beginLine) != commentLines.end();
}
virtual void HandleTranslationUnit(clang::ASTContext& Ctx) override {
/* if (PP.getDiagnostics().hasErrorOccurred())
return;*/
ci.getPreprocessor().getDiagnostics().getClient();
BrowserASTVisitor v(annotator);
v.TraverseDecl(Ctx.getTranslationUnitDecl());
annotator.generate(ci.getSema(), WasInDatabase);
}
RSContext::RSContext(clang::Preprocessor &PP,
clang::ASTContext &Ctx,
const clang::TargetInfo &Target,
PragmaList *Pragmas,
unsigned int TargetAPI,
std::vector<std::string> *GeneratedFileNames)
: mPP(PP),
mCtx(Ctx),
mTarget(Target),
mPragmas(Pragmas),
mTargetAPI(TargetAPI),
mGeneratedFileNames(GeneratedFileNames),
mTargetData(NULL),
mLLVMContext(llvm::getGlobalContext()),
mLicenseNote(NULL),
mRSPackageName("android.renderscript"),
version(0),
mMangleCtx(Ctx.createMangleContext()) {
slangAssert(mGeneratedFileNames && "Must supply GeneratedFileNames");
// For #pragma rs export_type
PP.AddPragmaHandler(
"rs", RSPragmaHandler::CreatePragmaExportTypeHandler(this));
// For #pragma rs java_package_name
PP.AddPragmaHandler(
"rs", RSPragmaHandler::CreatePragmaJavaPackageNameHandler(this));
// For #pragma rs set_reflect_license
PP.AddPragmaHandler(
"rs", RSPragmaHandler::CreatePragmaReflectLicenseHandler(this));
// For #pragma version
PP.AddPragmaHandler(RSPragmaHandler::CreatePragmaVersionHandler(this));
// Prepare target data
mTargetData = new llvm::TargetData(Target.getTargetDescription());
return;
}
RSContext::RSContext(clang::Preprocessor &PP,
clang::ASTContext &Ctx,
const clang::TargetInfo &Target,
PragmaList *Pragmas,
unsigned int TargetAPI,
bool Verbose)
: mPP(PP),
mCtx(Ctx),
mPragmas(Pragmas),
mTargetAPI(TargetAPI),
mVerbose(Verbose),
mDataLayout(NULL),
mLLVMContext(llvm::getGlobalContext()),
mLicenseNote(NULL),
mRSPackageName("android.renderscript"),
version(0),
mMangleCtx(Ctx.createMangleContext()),
mIs64Bit(Target.getPointerWidth(0) == 64) {
AddPragmaHandlers(PP, this);
// Prepare target data
mDataLayout = new llvm::DataLayout(Target.getTargetDescription());
}
static lldb_private::Scalar::Type
GetScalarTypeForClangType (clang::ASTContext &ast_context, clang::QualType clang_type, uint32_t &count)
{
count = 1;
switch (clang_type->getTypeClass())
{
default:
break;
case clang::Type::FunctionNoProto:
case clang::Type::FunctionProto:
break;
case clang::Type::IncompleteArray:
case clang::Type::VariableArray:
break;
case clang::Type::ConstantArray:
break;
case clang::Type::ExtVector:
case clang::Type::Vector:
// TODO: Set this to more than one???
break;
case clang::Type::Builtin:
switch (cast<clang::BuiltinType>(clang_type)->getKind())
{
default: assert(0 && "Unknown builtin type!");
case clang::BuiltinType::Void:
break;
case clang::BuiltinType::Bool:
case clang::BuiltinType::Char_S:
case clang::BuiltinType::SChar:
case clang::BuiltinType::WChar:
case clang::BuiltinType::Char16:
case clang::BuiltinType::Char32:
case clang::BuiltinType::Short:
case clang::BuiltinType::Int:
case clang::BuiltinType::Long:
case clang::BuiltinType::LongLong:
case clang::BuiltinType::Int128:
return lldb_private::Scalar::GetValueTypeForSignedIntegerWithByteSize ((ast_context.getTypeSize(clang_type)/CHAR_BIT)/count);
case clang::BuiltinType::Char_U:
case clang::BuiltinType::UChar:
case clang::BuiltinType::UShort:
case clang::BuiltinType::UInt:
case clang::BuiltinType::ULong:
case clang::BuiltinType::ULongLong:
case clang::BuiltinType::UInt128:
case clang::BuiltinType::NullPtr:
return lldb_private::Scalar::GetValueTypeForUnsignedIntegerWithByteSize ((ast_context.getTypeSize(clang_type)/CHAR_BIT)/count);
case clang::BuiltinType::Float:
case clang::BuiltinType::Double:
case clang::BuiltinType::LongDouble:
return lldb_private::Scalar::GetValueTypeForFloatWithByteSize ((ast_context.getTypeSize(clang_type)/CHAR_BIT)/count);
}
break;
// All pointer types are represented as unsigned integer encodings.
// We may nee to add a eEncodingPointer if we ever need to know the
// difference
case clang::Type::ObjCObjectPointer:
case clang::Type::BlockPointer:
case clang::Type::Pointer:
case clang::Type::LValueReference:
case clang::Type::RValueReference:
case clang::Type::MemberPointer:
return lldb_private::Scalar::GetValueTypeForUnsignedIntegerWithByteSize ((ast_context.getTypeSize(clang_type)/CHAR_BIT)/count);
// Complex numbers are made up of floats
case clang::Type::Complex:
count = 2;
return lldb_private::Scalar::GetValueTypeForFloatWithByteSize ((ast_context.getTypeSize(clang_type)/CHAR_BIT) / count);
case clang::Type::ObjCInterface: break;
case clang::Type::Record: break;
case clang::Type::Enum:
return lldb_private::Scalar::GetValueTypeForSignedIntegerWithByteSize ((ast_context.getTypeSize(clang_type)/CHAR_BIT)/count);
case clang::Type::Typedef:
return GetScalarTypeForClangType(ast_context, cast<clang::TypedefType>(clang_type)->LookThroughTypedefs(), count);
break;
case clang::Type::TypeOfExpr:
case clang::Type::TypeOf:
case clang::Type::Decltype:
//case clang::Type::QualifiedName:
case clang::Type::TemplateSpecialization: break;
}
count = 0;
return lldb_private::Scalar::e_void;
}
static clang::CanQualType getClangSelectorType(
const clang::ASTContext &clangCtx) {
return clangCtx.getPointerType(clangCtx.ObjCBuiltinSelTy);
}
void ClangToSageTranslator::HandleTranslationUnit(clang::ASTContext & ast_context) {
Traverse(ast_context.getTranslationUnitDecl());
}
virtual void HandleTranslationUnit(clang::ASTContext &Context)
{
Visitor.TraverseDecl(Context.getTranslationUnitDecl());
}
clang::QualType
AppleObjCTypeEncodingParser::BuildType (clang::ASTContext &ast_ctx, StringLexer& type, bool for_expression, uint32_t *bitfield_bit_size)
{
if (!type.HasAtLeast(1))
return clang::QualType();
switch (type.Peek())
{
default:
break;
case '{':
return BuildStruct(ast_ctx, type, for_expression);
case '[':
return BuildArray(ast_ctx, type, for_expression);
case '(':
return BuildUnion(ast_ctx, type, for_expression);
case '@':
return BuildObjCObjectPointerType(ast_ctx, type, for_expression);
}
switch (type.Next())
{
default:
type.PutBack(1);
return clang::QualType();
case 'c':
return ast_ctx.CharTy;
case 'i':
return ast_ctx.IntTy;
case 's':
return ast_ctx.ShortTy;
case 'l':
return ast_ctx.getIntTypeForBitwidth(32, true);
// this used to be done like this:
// ClangASTContext *lldb_ctx = ClangASTContext::GetASTContext(&ast_ctx);
// if (!lldb_ctx)
// return clang::QualType();
// return lldb_ctx->GetIntTypeFromBitSize(32, true).GetQualType();
// which uses one of the constants if one is available, but we don't think all this work is necessary.
case 'q':
return ast_ctx.LongLongTy;
case 'C':
return ast_ctx.UnsignedCharTy;
case 'I':
return ast_ctx.UnsignedIntTy;
case 'S':
return ast_ctx.UnsignedShortTy;
case 'L':
return ast_ctx.getIntTypeForBitwidth(32, false);
// see note for 'l'
case 'Q':
return ast_ctx.UnsignedLongLongTy;
case 'f':
return ast_ctx.FloatTy;
case 'd':
return ast_ctx.DoubleTy;
case 'B':
return ast_ctx.BoolTy;
case 'v':
return ast_ctx.VoidTy;
case '*':
return ast_ctx.getPointerType(ast_ctx.CharTy);
case '#':
return ast_ctx.getObjCClassType();
case ':':
return ast_ctx.getObjCSelType();
case 'b':
{
uint32_t size = ReadNumber(type);
if (bitfield_bit_size)
{
*bitfield_bit_size = size;
return ast_ctx.UnsignedIntTy; // FIXME: the spec is fairly vague here.
}
else
return clang::QualType();
}
case 'r':
{
clang::QualType target_type = BuildType(ast_ctx, type, for_expression);
if (target_type.isNull())
return clang::QualType();
else if (target_type == ast_ctx.UnknownAnyTy)
return ast_ctx.UnknownAnyTy;
else
return ast_ctx.getConstType(target_type);
}
case '^':
{
if (!for_expression && type.NextIf('?'))
{
// if we are not supporting the concept of unknownAny, but what is being created here is an unknownAny*, then
// we can just get away with a void*
// this is theoretically wrong (in the same sense as 'theoretically nothing exists') but is way better than outright failure
// in many practical cases
return ast_ctx.VoidPtrTy;
}
else
{
clang::QualType target_type = BuildType(ast_ctx, type, for_expression);
if (target_type.isNull())
return clang::QualType();
else if (target_type == ast_ctx.UnknownAnyTy)
return ast_ctx.UnknownAnyTy;
else
return ast_ctx.getPointerType(target_type);
}
}
case '?':
return for_expression ? ast_ctx.UnknownAnyTy : clang::QualType();
}
}
bool WebCLConsumer::hasErrors(clang::ASTContext &context) const
{
clang::DiagnosticsEngine &diags = context.getDiagnostics();
return diags.hasErrorOccurred() || diags.hasUnrecoverableErrorOccurred();
}
// the runtime can emit these in the form of @"SomeType", giving more specifics
// this would be interesting for expression parser interop, but since we actually try
// to avoid exposing the ivar info to the expression evaluator, consume but ignore the type info
// and always return an 'id'; if anything, dynamic typing will resolve things for us anyway
clang::QualType
AppleObjCTypeEncodingParser::BuildObjCObjectPointerType (clang::ASTContext &ast_ctx, lldb_utility::StringLexer& type, bool for_expression)
{
if (!type.NextIf('@'))
return clang::QualType();
std::string name;
if (type.NextIf('"'))
{
// We have to be careful here. We're used to seeing
// @"NSString"
// but in records it is possible that the string following an @ is the name of the next field and @ means "id".
// This is the case if anything unquoted except for "}", the end of the type, or another name follows the quoted string.
//
// E.g.
// - @"NSString"@ means "id, followed by a field named NSString of type id"
// - @"NSString"} means "a pointer to NSString and the end of the struct"
// - @"NSString""nextField" means "a pointer to NSString and a field named nextField"
// - @"NSString" followed by the end of the string means "a pointer to NSString"
//
// As a result, the rule is: If we see @ followed by a quoted string, we peek.
// - If we see }, ), ], the end of the string, or a quote ("), the quoted string is a class name.
// - If we see anything else, the quoted string is a field name and we push it back onto type.
name = ReadQuotedString(type);
if (type.HasAtLeast(1))
{
switch (type.Peek())
{
default:
// roll back
type.PutBack(name.length() + 2); // undo our consumption of the string and of the quotes
name.clear();
break;
case '}':
case ')':
case ']':
case '"':
// the quoted string is a class name – see the rule
break;
}
}
else
{
// the quoted string is a class name – see the rule
}
}
if (for_expression && !name.empty())
{
size_t less_than_pos = name.find_first_of('<');
if (less_than_pos != std::string::npos)
{
if (less_than_pos == 0)
return ast_ctx.getObjCIdType();
else
name.erase(less_than_pos);
}
DeclVendor *decl_vendor = m_runtime.GetDeclVendor();
assert (decl_vendor); // how are we parsing type encodings for expressions if a type vendor isn't in play?
const bool append = false;
const uint32_t max_matches = 1;
std::vector<clang::NamedDecl *> decls;
uint32_t num_types = decl_vendor->FindDecls(ConstString(name),
append,
max_matches,
decls);
// The user can forward-declare something that has no definition. The runtime doesn't prohibit this at all.
// This is a rare and very weird case. We keep this assert in debug builds so we catch other weird cases.
#ifdef LLDB_CONFIGURATION_DEBUG
assert(num_types);
#else
if (!num_types)
return ast_ctx.getObjCIdType();
#endif
return ClangASTContext::GetTypeForDecl(decls[0]).GetPointerType().GetQualType();
}
else
{
// We're going to resolve this dynamically anyway, so just smile and wave.
return ast_ctx.getObjCIdType();
}
}
bool GenericAstNode::getRangeInMainFile(std::pair<int, int> &result, clang::SourceManager const &manager, clang::ASTContext &context)
{
auto range = getRange();
if (range.isInvalid())
{
return false;
}
auto start = manager.getDecomposedSpellingLoc(range.getBegin());
auto end = manager.getDecomposedSpellingLoc(clang::Lexer::getLocForEndOfToken(range.getEnd(), 0, manager, context.getLangOpts()));
if (start.first != end.first || start.first != manager.getMainFileID())
{
//Not in the same file, or not in the main file (probably #included)
return false;
}
result = std::make_pair(start.second, end.second);
return true;
}
/**
* Method called only when the entire file is parsed.
*/
void HandleTranslationUnit( clang::ASTContext & context ) override
{
// Recursively visit the AST.
myrecvisitor.TraverseDecl( context.getTranslationUnitDecl() );
}
virtual void Initialize(clang::ASTContext& Ctx) override {
annotator.setSourceMgr(Ctx.getSourceManager(), Ctx.getLangOpts());
annotator.setMangleContext(Ctx.createMangleContext());
ci.getPreprocessor().addPPCallbacks(maybe_unique(new PreprocessorCallback(annotator, ci.getPreprocessor())));
ci.getDiagnostics().setClient(new BrowserDiagnosticClient(annotator), true);
}
void HandleTranslationUnit(clang::ASTContext& ctx) {
MyASTVisitor visitor(ctx.getSourceManager(), _db);
visitor.TraverseDecl(ctx.getTranslationUnitDecl());
}
