File indexing completed on 2024-05-12 05:40:58

 /*
     SPDX-FileCopyrightText: 2017 Sergio Martins <smartins@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "qproperty-without-notify.h"
 #include "clazy_stl.h"
 
 #include <clang/Basic/IdentifierTable.h>
 #include <clang/Basic/SourceManager.h>
 #include <clang/Lex/Lexer.h>
 #include <clang/Lex/Token.h>
 #include <llvm/ADT/StringRef.h>
 
 #include <vector>
 
 class ClazyContext;
 namespace clang
 {
 class MacroInfo;
 } // namespace clang
 
 using namespace clang;
 
 QPropertyWithoutNotify::QPropertyWithoutNotify(const std::string &name, ClazyContext *context)
     : CheckBase(name, context, Option_CanIgnoreIncludes)
 {
     enablePreProcessorCallbacks();
 }
 
 void QPropertyWithoutNotify::VisitMacroExpands(const clang::Token &MacroNameTok, const clang::SourceRange &range, const MacroInfo *)
 {
     IdentifierInfo *ii = MacroNameTok.getIdentifierInfo();
     if (!ii) {
         return;
     }
 
     if (ii->getName() == "Q_GADGET") {
         m_lastIsGadget = true;
         return;
     }
 
     if (ii->getName() == "Q_OBJECT") {
         m_lastIsGadget = false;
         return;
     }
 
     // Gadgets can't have NOTIFY
     if (m_lastIsGadget || ii->getName() != "Q_PROPERTY") {
         return;
     }
 
     if (sm().isInSystemHeader(range.getBegin())) {
         return;
     }
     CharSourceRange crange = Lexer::getAsCharRange(range, sm(), lo());
 
     std::string text = static_cast<std::string>(Lexer::getSourceText(crange, sm(), lo()));
     if (text.empty()) {
         // If the text is empty, it is more likely there is an error
         // in parsing than an empty Q_PROPERTY macro call (which would
         // be a moc error anyhow).
         return;
     }
 
     if (text.back() == ')') {
         text.pop_back();
     }
 
     std::vector<std::string> split = clazy::splitString(text, ' ');
 
     bool found_read = false;
     bool found_constant = false;
     bool found_notify = false;
     for (std::string &token : split) {
         clazy::rtrim(/*by-ref*/ token);
         if (!found_read && token == "READ") {
             found_read = true;
             continue;
         }
 
         if (!found_constant && token == "CONSTANT") {
             found_constant = true;
             continue;
         }
 
         if (!found_notify && token == "NOTIFY") {
             found_notify = true;
             continue;
         }
     }
 
     if (!found_read || (found_notify || found_constant)) {
         return;
     }
 
     emitWarning(range.getBegin(), "Q_PROPERTY should have either NOTIFY or CONSTANT");
 }