CXChildVisitResult visitor(
CXCursor cursor, CXCursor parent, CXClientData client_data)
{
ClangTools::TranslationUnit::AstWalker * astWalker =
reinterpret_cast<ClangTools::TranslationUnit::AstWalker *>(client_data);
std::vector<std::string> & funcNames =
*(reinterpret_cast<std::vector<std::string> *>(astWalker->getClientData()));
auto sourceLocation = clang_getCursorLocation(cursor);
CXFile file;
clang_getFileLocation(sourceLocation, &file, 0, 0, 0);
auto fileName = clang_getFileName(file);
auto fileNameStr = ClangTools::String(fileName);
if (fileNameStr != astWalker->getFileName())
{
return CXChildVisit_Recurse;
}
auto func = std::string{};
auto def = bool{false};
if (clang_isCursorDefinition(cursor))
{
def = true;
}
switch (clang_getCursorKind(cursor))
{
case CXCursor_FunctionDecl:
func = "Function ";
break;
case CXCursor_FunctionTemplate:
func = "FunctionTemplate ";
break;
case CXCursor_CXXMethod:
func = "CXXMethod ";
break;
default:
return CXChildVisit_Recurse;
break;
}
func += clang_isCursorDefinition(cursor) ? "definition: " : "declaration: ";
auto semanticParent = clang_getCursorSemanticParent(cursor);
auto semanticParentSpelling = clang_getCursorSpelling(semanticParent);
func += ClangTools::String(semanticParentSpelling) + "::";
auto cursorSpelling = clang_getCursorSpelling(cursor);
func += ClangTools::String(cursorSpelling);
auto lexicalParent = clang_getCursorLexicalParent(cursor);
auto lexicalParentSpelling = clang_getCursorSpelling(lexicalParent);
func += " found in: " + ClangTools::String(lexicalParentSpelling);
funcNames.push_back(func);
return CXChildVisit_Recurse;
}
static void PrintCursor(CXCursor Cursor) {
if (clang_isInvalid(Cursor.kind)) {
CXString ks = clang_getCursorKindSpelling(Cursor.kind);
printf("Invalid Cursor => %s", clang_getCString(ks));
clang_disposeString(ks);
}
else {
CXString string, ks;
CXCursor Referenced;
unsigned line, column;
ks = clang_getCursorKindSpelling(Cursor.kind);
string = clang_getCursorSpelling(Cursor);
printf("%s=%s", clang_getCString(ks),
clang_getCString(string));
clang_disposeString(ks);
clang_disposeString(string);
Referenced = clang_getCursorReferenced(Cursor);
if (!clang_equalCursors(Referenced, clang_getNullCursor())) {
CXSourceLocation Loc = clang_getCursorLocation(Referenced);
clang_getInstantiationLocation(Loc, 0, &line, &column, 0);
printf(":%d:%d", line, column);
}
if (clang_isCursorDefinition(Cursor))
printf(" (Definition)");
}
}
static enum CXChildVisitResult FunctionScanVisitor(CXCursor Cursor,
CXCursor Parent,
CXClientData ClientData) {
const char *startBuf, *endBuf;
unsigned startLine, startColumn, endLine, endColumn, curLine, curColumn;
CXCursor Ref;
VisitorData *Data = (VisitorData *)ClientData;
if (Cursor.kind != CXCursor_FunctionDecl ||
!clang_isCursorDefinition(Cursor))
return CXChildVisit_Continue;
clang_getDefinitionSpellingAndExtent(Cursor, &startBuf, &endBuf,
&startLine, &startColumn,
&endLine, &endColumn);
/* Probe the entire body, looking for both decls and refs. */
curLine = startLine;
curColumn = startColumn;
while (startBuf < endBuf) {
CXSourceLocation Loc;
CXFile file;
CXString source;
if (*startBuf == '\n') {
startBuf++;
curLine++;
curColumn = 1;
} else if (*startBuf != '\t')
curColumn++;
Loc = clang_getCursorLocation(Cursor);
clang_getInstantiationLocation(Loc, &file, 0, 0, 0);
source = clang_getFileName(file);
if (clang_getCString(source)) {
CXSourceLocation RefLoc
= clang_getLocation(Data->TU, file, curLine, curColumn);
Ref = clang_getCursor(Data->TU, RefLoc);
if (Ref.kind == CXCursor_NoDeclFound) {
/* Nothing found here; that's fine. */
} else if (Ref.kind != CXCursor_FunctionDecl) {
printf("// %s: %s:%d:%d: ", FileCheckPrefix, GetCursorSource(Ref),
curLine, curColumn);
PrintCursor(Ref);
printf("\n");
}
}
clang_disposeString(source);
startBuf++;
}
return CXChildVisit_Continue;
}
bool ClangWorkerThread::DoGotoDefinition(CXTranslationUnit& TU, ClangThreadRequest* request, ClangThreadReply* reply)
{
// Test to see if we are pointing a function
CXCursor cur;
if(ClangUtils::GetCursorAt(TU, request->GetFileName(), request->GetLine(), request->GetColumn(), cur)) {
if(request->GetContext() == CTX_GotoImpl && !clang_isCursorDefinition(cur)) {
cur = clang_getCursorDefinition(cur);
}
ClangUtils::GetCursorLocation(cur, reply->filename, reply->line, reply->col);
return true;
}
return false;
}
Location TranslationUnit::GetDefinitionOrDeclarationLocation(
const std::string &filename,
int line,
int column,
const std::vector< UnsavedFile > &unsaved_files,
bool reparse ) {
if ( reparse ) {
Reparse( unsaved_files );
}
unique_lock< mutex > lock( clang_access_mutex_ );
if ( !clang_translation_unit_ ) {
return Location();
}
CXCursor cursor = GetCursor( filename, line, column );
if ( !CursorIsValid( cursor ) ) {
return Location();
}
// Return the definition or the declaration of a symbol under the cursor
// according to the following logic:
// - if the cursor is already on the definition, return the location of the
// declaration;
// - otherwise, search for the definition and return its location;
// - if no definition is found, return the location of the declaration.
if ( clang_isCursorDefinition( cursor ) ) {
return GetDeclarationLocationForCursor( cursor );
}
Location location = GetDefinitionLocationForCursor( cursor );
if ( location.IsValid() ) {
return location;
}
return GetDeclarationLocationForCursor( cursor );
}
std::string libclang_vim::stringize_cursor_extra_info(CXCursor const& cursor) {
std::string result;
if (clang_isCursorDefinition(cursor)) {
result += "'is_definition':1,";
}
if (clang_Cursor_isDynamicCall(cursor)) {
result += "'is_dynamic_call':1,";
}
if (clang_Cursor_isVariadic(cursor)) {
result += "'is_variadic':1,";
}
if (clang_CXXMethod_isVirtual(cursor)) {
result += "'is_virtual_member_function':1,";
}
if (clang_CXXMethod_isPureVirtual(cursor)) {
result += "'is_pure_virtual_member_function':1,";
}
if (clang_CXXMethod_isStatic(cursor)) {
result += "'is_static_member_function':1,";
}
auto const access_specifier = clang_getCXXAccessSpecifier(cursor);
switch (access_specifier) {
case CX_CXXPublic:
result += "'access_specifier':'public',";
break;
case CX_CXXPrivate:
result += "'access_specifier':'private',";
break;
case CX_CXXProtected:
result += "'access_specifier':'protected',";
break;
case CX_CXXInvalidAccessSpecifier:
break;
}
return result;
}
static void printCursor(CXCursor cursor)
{
CXFile file;
unsigned int off, line, col;
CXSourceLocation location = clang_getCursorLocation(cursor);
clang_getSpellingLocation(location, &file, &line, &col, &off);
CXString fileName = clang_getFileName(file);
const char *fileNameCStr = clang_getCString(fileName);
if (fileNameCStr) {
CXSourceRange range = clang_getCursorExtent(cursor);
unsigned int start, end;
clang_getSpellingLocation(clang_getRangeStart(range), 0, 0, 0, &start);
clang_getSpellingLocation(clang_getRangeEnd(range), 0, 0, 0, &end);
printf("%s:%d:%d (%d, %d-%d) ", fileNameCStr, line, col, off, start, end);
}
clang_disposeString(fileName);
printString("kind", clang_getCursorKindSpelling(clang_getCursorKind(cursor)));
printString("display name", clang_getCursorDisplayName(cursor));
printString("usr", clang_getCursorUSR(cursor));
if (clang_isCursorDefinition(cursor))
printf("definition ");
printf("\n");
}
bool IndexerJob::handleCursor(const CXCursor &cursor, CXCursorKind kind, const Location &location)
{
CursorInfo &info = mData->symbols[location];
if (!info.symbolLength || !RTags::isCursor(info.kind)) {
CXStringScope name = clang_getCursorSpelling(cursor);
const char *cstr = name.data();
info.symbolLength = cstr ? strlen(cstr) : 0;
info.type = clang_getCursorType(cursor).kind;
if (!info.symbolLength) {
// this is for these constructs:
// typedef struct {
// int a;
// } foobar;
//
// We end up not getting a spelling for the cursor
switch (kind) {
case CXCursor_ClassDecl:
info.symbolLength = 5;
info.symbolName = "class";
break;
case CXCursor_UnionDecl:
info.symbolLength = 5;
info.symbolName = "union";
break;
case CXCursor_StructDecl:
info.symbolLength = 6;
info.symbolName = "struct";
break;
default:
mData->symbols.remove(location);
return false;
}
} else {
info.symbolName = addNamePermutations(cursor, location);
}
CXSourceRange range = clang_getCursorExtent(cursor);
unsigned start, end;
clang_getSpellingLocation(clang_getRangeStart(range), 0, 0, 0, &start);
clang_getSpellingLocation(clang_getRangeEnd(range), 0, 0, 0, &end);
info.start = start;
info.end = end;
if (kind == CXCursor_EnumConstantDecl) {
#if CLANG_VERSION_MINOR > 1
info.enumValue = clang_getEnumConstantDeclValue(cursor);
#else
info.definition = clang_isCursorDefinition(cursor);
#endif
} else{
info.definition = clang_isCursorDefinition(cursor);
}
info.kind = kind;
const String usr = RTags::eatString(clang_getCursorUSR(cursor));
if (!usr.isEmpty())
mData->usrMap[usr].insert(location);
switch (info.kind) {
case CXCursor_Constructor:
case CXCursor_Destructor: {
Location parentLocation = createLocation(clang_getCursorSemanticParent(cursor));
// consider doing this for only declaration/inline definition since
// declaration and definition should know of one another
if (parentLocation.isValid()) {
CursorInfo &parent = mData->symbols[parentLocation];
parent.references.insert(location);
info.references.insert(parentLocation);
}
break; }
case CXCursor_CXXMethod: {
List<CursorInfo*> infos;
infos.append(&info);
addOverriddenCursors(cursor, location, infos);
break; }
default:
break;
}
}
return true;
}
bool cursor::isDefinition()
{
return clang_isCursorDefinition(cur);
}
bool Cursor::IsDefinition() const
{
return clang_isCursorDefinition(cursor_) != 0;
}
String cursorToString(CXCursor cursor, unsigned flags)
{
const CXCursorKind kind = clang_getCursorKind(cursor);
String ret;
ret.reserve(256);
ret += eatString(clang_getCursorKindSpelling(kind));
if (clang_isInvalid(kind))
return ret;
switch (RTags::cursorType(kind)) {
case Reference:
ret += " r";
break;
case Cursor:
ret += " c";
break;
case Other:
ret += " o";
break;
case Include:
ret += " i";
break;
}
const String name = eatString(clang_getCursorDisplayName(cursor));
const String other = eatString(clang_getCursorSpelling(cursor));
if (!name.isEmpty())
ret += " " + name;
if (other != name && !other.isEmpty())
ret += " " + other;
if (clang_isCursorDefinition(cursor))
ret += " def";
if (flags & IncludeUSR)
ret += " " + eatString(clang_getCursorUSR(cursor));
CXFile file;
unsigned off, line, col; //presumedLine, presumedCol, instantiationLoc, expansionLoc;
CXSourceLocation location = clang_getCursorLocation(cursor);
clang_getSpellingLocation(location, &file, &line, &col, &off);
// clang_getPresumedLocation(location, 0, &presumedLine, &presumedCol);
// clang_getInstantiationLocation(location, 0, 0, 0, &instantiationLoc);
// clang_getExpansionLocation(location, 0, 0, 0, &expansionLoc);
const Str fileName(clang_getFileName(file));
if (fileName.data() && *fileName.data()) {
ret += ' ';
ret += fileName.data();
ret += ',';
ret += String::number(off);
if (flags & IncludeRange) {
ret += " (";
CXSourceRange range = clang_getCursorExtent(cursor);
unsigned start, end;
clang_getSpellingLocation(clang_getRangeStart(range), 0, 0, 0, &start);
clang_getSpellingLocation(clang_getRangeEnd(range), 0, 0, 0, &end);
ret += String::number(start);
ret += '-';
ret += String::number(end);
ret += ')';
}
// if (presumedLine != line || presumedCol != col)
// ret += String::snprintf<32>("presumed: %d:%d", presumedLine, presumedCol);
// if (instantiationLoc != off)
// ret += String::snprintf<32>("instantiation: %d", instantiationLoc);
// if (expansionLoc != off)
// ret += String::snprintf<32>("expansion: %d", expansionLoc);
}
return ret;
}
bool ClangIndexer::handleCursor(const CXCursor &cursor, CXCursorKind kind, const Location &location)
{
// error() << "Got a cursor" << cursor;
std::shared_ptr<CursorInfo> &info = mData->symbols[location];
if (!info)
info = std::make_shared<CursorInfo>();
if (!info->symbolLength) {
// if (mLogFile) {
// String out;
// Log(&out) << cursor << a;
// fwrite(out.constData(), 1, out.size(), mLogFile);
// fwrite("\n", 1, 1, mLogFile);
// }
CXStringScope name = clang_getCursorSpelling(cursor);
const char *cstr = name.data();
info->symbolLength = cstr ? strlen(cstr) : 0;
info->type = clang_getCursorType(cursor).kind;
if (!info->symbolLength) {
// this is for these constructs:
// typedef struct {
// int a;
// } foobar;
//
// We end up not getting a spelling for the cursor
switch (kind) {
case CXCursor_ClassDecl:
info->symbolLength = 5;
info->symbolName = "class";
break;
case CXCursor_UnionDecl:
info->symbolLength = 5;
info->symbolName = "union";
break;
case CXCursor_StructDecl:
info->symbolLength = 6;
info->symbolName = "struct";
break;
default:
mData->symbols.remove(location);
return false;
}
} else {
info->symbolName = addNamePermutations(cursor, location);
}
CXSourceRange range = clang_getCursorExtent(cursor);
CXSourceLocation rangeStart = clang_getRangeStart(range);
CXSourceLocation rangeEnd = clang_getRangeEnd(range);
unsigned startLine, startColumn, endLine, endColumn;
clang_getPresumedLocation(rangeStart, 0, &startLine, &startColumn);
clang_getPresumedLocation(rangeEnd, 0, &endLine, &endColumn);
info->startLine = startLine;
info->startColumn = startColumn;
info->endLine = endLine;
info->endColumn = endColumn;
if (kind == CXCursor_EnumConstantDecl) {
#if CINDEX_VERSION_MINOR > 1
info->enumValue = clang_getEnumConstantDeclValue(cursor);
#else
info->definition = 1;
#endif
} else {
info->definition = clang_isCursorDefinition(cursor);
}
info->kind = kind;
// apparently some function decls will give a different usr for
// their definition and their declaration. Using the canonical
// cursor's usr allows us to join them. Check JSClassRelease in
// JavaScriptCore for an example.
const String usr = RTags::eatString(clang_getCursorUSR(clang_getCanonicalCursor(cursor)));
if (!usr.isEmpty())
mData->usrMap[usr].insert(location);
switch (info->kind) {
case CXCursor_Constructor:
case CXCursor_Destructor: {
Location parentLocation = createLocation(clang_getCursorSemanticParent(cursor));
// consider doing this for only declaration/inline definition since
// declaration and definition should know of one another
if (parentLocation.isValid()) {
std::shared_ptr<CursorInfo> &parent = mData->symbols[parentLocation];
if (!parent)
parent = std::make_shared<CursorInfo>();
parent->references.insert(location);
info->references.insert(parentLocation);
}
break; }
case CXCursor_CXXMethod: {
List<CursorInfo*> infos;
infos.append(info.get());
addOverriddenCursors(cursor, location, infos);
break; }
default:
break;
}
}
return true;
}
bool Cursor::is_definition() const
{
return clang_isCursorDefinition(m_cx_cursor) == 0;
}
static void PrintCursor(CXCursor Cursor) {
if (clang_isInvalid(Cursor.kind)) {
CXString ks = clang_getCursorKindSpelling(Cursor.kind);
printf("Invalid Cursor => %s", clang_getCString(ks));
clang_disposeString(ks);
}
else {
CXString string, ks;
CXCursor Referenced;
unsigned line, column;
CXCursor SpecializationOf;
ks = clang_getCursorKindSpelling(Cursor.kind);
string = clang_getCursorSpelling(Cursor);
printf("%s=%s", clang_getCString(ks),
clang_getCString(string));
clang_disposeString(ks);
clang_disposeString(string);
Referenced = clang_getCursorReferenced(Cursor);
if (!clang_equalCursors(Referenced, clang_getNullCursor())) {
CXSourceLocation Loc = clang_getCursorLocation(Referenced);
clang_getInstantiationLocation(Loc, 0, &line, &column, 0);
printf(":%d:%d", line, column);
}
if (clang_isCursorDefinition(Cursor))
printf(" (Definition)");
switch (clang_getCursorAvailability(Cursor)) {
case CXAvailability_Available:
break;
case CXAvailability_Deprecated:
printf(" (deprecated)");
break;
case CXAvailability_NotAvailable:
printf(" (unavailable)");
break;
}
if (Cursor.kind == CXCursor_IBOutletCollectionAttr) {
CXType T =
clang_getCanonicalType(clang_getIBOutletCollectionType(Cursor));
CXString S = clang_getTypeKindSpelling(T.kind);
printf(" [IBOutletCollection=%s]", clang_getCString(S));
clang_disposeString(S);
}
if (Cursor.kind == CXCursor_CXXBaseSpecifier) {
enum CX_CXXAccessSpecifier access = clang_getCXXAccessSpecifier(Cursor);
unsigned isVirtual = clang_isVirtualBase(Cursor);
const char *accessStr = 0;
switch (access) {
case CX_CXXInvalidAccessSpecifier:
accessStr = "invalid"; break;
case CX_CXXPublic:
accessStr = "public"; break;
case CX_CXXProtected:
accessStr = "protected"; break;
case CX_CXXPrivate:
accessStr = "private"; break;
}
printf(" [access=%s isVirtual=%s]", accessStr,
isVirtual ? "true" : "false");
}
SpecializationOf = clang_getSpecializedCursorTemplate(Cursor);
if (!clang_equalCursors(SpecializationOf, clang_getNullCursor())) {
CXSourceLocation Loc = clang_getCursorLocation(SpecializationOf);
CXString Name = clang_getCursorSpelling(SpecializationOf);
clang_getInstantiationLocation(Loc, 0, &line, &column, 0);
printf(" [Specialization of %s:%d:%d]",
clang_getCString(Name), line, column);
clang_disposeString(Name);
}
}
}
bool Cursor::isDefinition() const
{
return clang_isCursorDefinition(cxCursor);
}