[clang] [alpha.webkit.ForwardDeclChecker] Add a new WebKit checker for forward declarations (PR #130554)

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github-actions[bot] wrote:

<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. 
:warning:

<details>
<summary>
You can test this locally with the following command:
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``````````bash
git-clang-format --diff c8ec8073aa5d8e87a15d101ded149de399518bc1 
0fbe30f8f95cb764d078617b767ae4cd5c31de85 --extensions cpp,h -- 
clang/lib/StaticAnalyzer/Checkers/WebKit/ForwardDeclChecker.cpp 
clang/test/Analysis/Checkers/WebKit/mock-system-header.h 
clang/test/Analysis/Checkers/WebKit/objc-mock-types.h
``````````

</details>

<details>
<summary>
View the diff from clang-format here.
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``````````diff
diff --git a/clang/lib/StaticAnalyzer/Checkers/WebKit/ForwardDeclChecker.cpp 
b/clang/lib/StaticAnalyzer/Checkers/WebKit/ForwardDeclChecker.cpp
index 9b24a23edd..b74fafeebe 100644
--- a/clang/lib/StaticAnalyzer/Checkers/WebKit/ForwardDeclChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/WebKit/ForwardDeclChecker.cpp
@@ -28,8 +28,7 @@ using namespace ento;
 
 namespace {
 
-class ForwardDeclChecker
-    : public Checker<check::ASTDecl<TranslationUnitDecl>> {
+class ForwardDeclChecker : public Checker<check::ASTDecl<TranslationUnitDecl>> 
{
   BugType Bug;
   mutable BugReporter *BR;
   mutable RetainTypeChecker RTC;
@@ -104,8 +103,8 @@ public:
     RTC.visitTranslationUnitDecl(TUD);
     visitor.TraverseDecl(const_cast<TranslationUnitDecl *>(TUD));
   }
-  
-  void visitTypedef(const TypedefDecl* TD) const {
+
+  void visitTypedef(const TypedefDecl *TD) const {
     RTC.visitTypedef(TD);
     auto QT = TD->getUnderlyingType().getCanonicalType();
     if (BR->getSourceManager().isInSystemHeader(TD->getBeginLoc())) {
@@ -129,8 +128,7 @@ public:
     auto Name = R->getName();
     return !R->hasDefinition() && !RTC.isUnretained(QT) &&
            !SystemTypes.contains(CanonicalType) &&
-           !Name.starts_with("Opaque") &&
-           Name != "_NSZone";
+           !Name.starts_with("Opaque") && Name != "_NSZone";
   }
 
   void visitRecordDecl(const RecordDecl *RD, const Decl *DeclWithIssue) const {
@@ -254,7 +252,7 @@ public:
       visitCallArg(E->getArg(i), MethodDecl->getParamDecl(i), DeclWithIssue);
   }
 
-  void visitCallArg(const Expr* Arg, const ParmVarDecl* Param,
+  void visitCallArg(const Expr *Arg, const ParmVarDecl *Param,
                     const Decl *DeclWithIssue) const {
     auto *ArgExpr = Arg->IgnoreParenCasts();
     if (auto *InnerCE = dyn_cast<CallExpr>(Arg)) {
@@ -270,7 +268,7 @@ public:
         isa<CXXDefaultArgExpr>(ArgExpr))
       return;
     if (auto *DRE = dyn_cast<DeclRefExpr>(ArgExpr)) {
-      if (auto* ValDecl = DRE->getDecl()) {
+      if (auto *ValDecl = DRE->getDecl()) {
         if (isa<ParmVarDecl>(ValDecl))
           return;
       }
@@ -307,7 +305,7 @@ public:
     BR->emitReport(std::move(Report));
   }
 
-  void reportUnknownRecieverType(const Expr* Receiver,
+  void reportUnknownRecieverType(const Expr *Receiver,
                                  const Decl *DeclWithIssue) const {
     assert(Receiver);
 

``````````

</details>


https://github.com/llvm/llvm-project/pull/130554
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