void IndexerJob::handleReference(const CXCursor &cursor, CXCursorKind kind, const Location &location, const CXCursor &ref, const CXCursor &parent) { const CXCursorKind refKind = clang_getCursorKind(ref); if (clang_isInvalid(refKind)) { superclassTemplateMemberFunctionUgleHack(cursor, kind, location, ref, parent); return; } bool isOperator = false; if (kind == CXCursor_CallExpr && (refKind == CXCursor_CXXMethod || refKind == CXCursor_ConversionFunction || refKind == CXCursor_FunctionDecl || refKind == CXCursor_FunctionTemplate)) { // these are bullshit, for this construct: // foo.bar(); // the position of the cursor is at the foo, not the bar. // They are not interesting for followLocation, renameSymbol or find // references so we toss them. // For functions it can be the position of the namespace. // E.g. Foo::bar(); cursor is on Foo // For constructors they happen to be the only thing we have that // actually refs the constructor and not the class so we have to keep // them for that. return; } switch (refKind) { case CXCursor_Constructor: if (isImplicit(ref)) return; break; case CXCursor_CXXMethod: case CXCursor_FunctionDecl: case CXCursor_FunctionTemplate: { CXStringScope scope = clang_getCursorDisplayName(ref); const char *data = scope.data(); if (data) { const int len = strlen(data); if (len > 8 && !strncmp(data, "operator", 8) && !isalnum(data[8]) && data[8] != '_') { if (isImplicit(ref)) return; // eat implicit operator calls isOperator = true; } } break; } default: break; } const Location reffedLoc = createLocation(ref, 0); if (!reffedLoc.isValid()) return; CursorInfo &refInfo = mData->symbols[reffedLoc]; if (!refInfo.symbolLength && !handleCursor(ref, refKind, reffedLoc)) return; refInfo.references.insert(location); CursorInfo &info = mData->symbols[location]; info.targets.insert(reffedLoc); // We need the new cursor to replace the symbolLength. This is important // in the following case: // struct R { R(const &r); ... } // R foo(); // ... // R r = foo(); // The first cursor on foo() will be a reference to the copy constructor and // this cursor will have a symbolLength of 1. Thus you won't be able to jump // to foo from the o. This is fixed by making sure the newer target, if // better, gets to decide on the symbolLength // The !isCursor is var decls and field decls where we set up a target even // if they're not considered references if (!RTags::isCursor(info.kind) && (!info.symbolLength || info.bestTarget(mData->symbols).kind == refKind)) { 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; info.definition = false; info.kind = kind; info.symbolLength = isOperator ? end - start : refInfo.symbolLength; info.symbolName = refInfo.symbolName; info.type = clang_getCursorType(cursor).kind; switch (kind) { case CXCursor_CallExpr: nestedClassConstructorCallUgleHack(parent, info, refKind, reffedLoc); // see rtags/tests/nestedClassConstructorCallUgleHack/ break; default: break; } } Set<Location> &val = mData->references[location]; val.insert(reffedLoc); }
void ClangIndexer::handleReference(const CXCursor &cursor, CXCursorKind kind, const Location &location, const CXCursor &ref, const CXCursor &parent) { const CXCursorKind refKind = clang_getCursorKind(ref); if (clang_isInvalid(refKind)) { superclassTemplateMemberFunctionUgleHack(cursor, kind, location, ref, parent); return; } bool isOperator = false; if (kind == CXCursor_CallExpr && (refKind == CXCursor_CXXMethod || refKind == CXCursor_ConversionFunction || refKind == CXCursor_FunctionDecl || refKind == CXCursor_FunctionTemplate)) { // these are bullshit, for this construct: // foo.bar(); // the position of the cursor is at the foo, not the bar. // They are not interesting for followLocation, renameSymbol or find // references so we toss them. // For functions it can be the position of the namespace. // E.g. Foo::bar(); cursor is on Foo // For constructors they happen to be the only thing we have that // actually refs the constructor and not the class so we have to keep // them for that. return; } switch (refKind) { case CXCursor_Constructor: if (isImplicit(ref)) return; break; case CXCursor_CXXMethod: case CXCursor_FunctionDecl: case CXCursor_FunctionTemplate: { CXStringScope scope = clang_getCursorDisplayName(ref); const char *data = scope.data(); if (data) { const int len = strlen(data); if (len > 8 && !strncmp(data, "operator", 8) && !isalnum(data[8]) && data[8] != '_') { if (isImplicit(ref)) return; // eat implicit operator calls isOperator = true; } } break; } default: break; } const Location reffedLoc = createLocation(ref); if (!reffedLoc.isValid()) { if (kind == CXCursor_ObjCMessageExpr) { mData->pendingReferenceMap[RTags::eatString(clang_getCursorUSR(clang_getCanonicalCursor(ref)))].insert(location); // insert it, we'll hook up the target and references later handleCursor(cursor, kind, location); } return; } std::shared_ptr<CursorInfo> &refInfo = mData->symbols[reffedLoc]; if ((!refInfo || !refInfo->symbolLength) && !handleCursor(ref, refKind, reffedLoc)) return; refInfo->references.insert(location); std::shared_ptr<CursorInfo> &info = mData->symbols[location]; if (!info) info = std::make_shared<CursorInfo>(); info->targets.insert(reffedLoc); // We need the new cursor to replace the symbolLength. This is important // in the following case: // struct R { R(const &r); ... } // R foo(); // ... // R r = foo(); // The first cursor on foo() will be a reference to the copy constructor and // this cursor will have a symbolLength of 1. Thus you won't be able to jump // to foo from the o. This is fixed by making sure the newer target, if // better, gets to decide on the symbolLength // The !isCursor is var decls and field decls where we set up a target even // if they're not considered references if (!RTags::isCursor(info->kind) && (!info->symbolLength || info->bestTarget(mData->symbols)->kind == refKind)) { 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; info->definition = false; info->kind = kind; if (isOperator) { unsigned start, end; clang_getSpellingLocation(rangeStart, 0, 0, 0, &start); clang_getSpellingLocation(rangeEnd, 0, 0, 0, &end); info->symbolLength = end - start; } else { info->symbolLength = refInfo->symbolLength; } info->symbolName = refInfo->symbolName; info->type = clang_getCursorType(cursor).kind; } }