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

 /*
     SPDX-FileCopyrightText: 2016 Sergio Martins <smartins@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "post-event.h"
 #include "StringUtils.h"
 #include "TypeUtils.h"
 
 #include <clang/AST/Expr.h>
 #include <clang/AST/Stmt.h>
 #include <clang/Basic/LLVM.h>
 #include <llvm/Support/Casting.h>
 
 class ClazyContext;
 
 using namespace clang;
 
 PostEvent::PostEvent(const std::string &name, ClazyContext *context)
     : CheckBase(name, context, Option_CanIgnoreIncludes)
 {
 }
 
 void PostEvent::VisitStmt(clang::Stmt *stmt)
 {
     auto *callexpr = dyn_cast<CallExpr>(stmt);
     if (!callexpr) {
         return;
     }
 
     auto name = clazy::qualifiedMethodName(callexpr);
 
     const bool isPostEvent = name == "QCoreApplication::postEvent";
     const bool isSendEvent = name == "QCoreApplication::sendEvent";
 
     // if (!isPostEvent && !isSendEvent)
     //  Send event has false-positives
     if (!isPostEvent) {
         return;
     }
 
     Expr *event = callexpr->getNumArgs() > 1 ? callexpr->getArg(1) : nullptr;
     if (!event || clazy::simpleTypeName(event->getType(), lo()) != "QEvent *") {
         return;
     }
 
     bool isStack = false;
     bool isHeap = false;
     clazy::heapOrStackAllocated(event, "QEvent", lo(), isStack, isHeap);
 
     if (isStack || isHeap) {
         if (isSendEvent && isHeap) {
             emitWarning(stmt, "Events passed to sendEvent should be stack allocated");
         } else if (isPostEvent && isStack) {
             emitWarning(stmt, "Events passed to postEvent should be heap allocated");
         }
     } else {
         // It's something else, like an rvalue, ignore it
     }
 }