Skip to content

[NFC][Clang] Adopt simplified getTrailingObjects in ASTReader #144438

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: main
Choose a base branch
from

Conversation

jurahul
Copy link
Contributor

@jurahul jurahul commented Jun 16, 2025

No description provided.

@jurahul jurahul changed the title [NFC][Clang] Use simplified getTrailingObjects in ASTReader [NFC][Clang] Adopt simplified getTrailingObjects in ASTReader Jun 16, 2025
@jurahul jurahul marked this pull request as ready for review June 16, 2025 22:39
@jurahul jurahul requested a review from cor3ntin June 16, 2025 22:39
@llvmbot llvmbot added clang Clang issues not falling into any other category clang:modules C++20 modules and Clang Header Modules labels Jun 16, 2025
@jurahul jurahul requested a review from erichkeane June 16, 2025 22:39
@llvmbot
Copy link
Member

llvmbot commented Jun 16, 2025

@llvm/pr-subscribers-clang-modules

@llvm/pr-subscribers-clang

Author: Rahul Joshi (jurahul)

Changes

Full diff: https://github.com/llvm/llvm-project/pull/144438.diff

2 Files Affected:

  • (modified) clang/lib/Serialization/ASTReaderDecl.cpp (+11-13)
  • (modified) clang/lib/Serialization/ASTReaderStmt.cpp (+9-10)
diff --git a/clang/lib/Serialization/ASTReaderDecl.cpp b/clang/lib/Serialization/ASTReaderDecl.cpp
index a1368a48351c6..0054f7dc2c226 100644
--- a/clang/lib/Serialization/ASTReaderDecl.cpp
+++ b/clang/lib/Serialization/ASTReaderDecl.cpp
@@ -666,22 +666,21 @@ void ASTDeclReader::VisitPragmaCommentDecl(PragmaCommentDecl *D) {
   D->setLocation(readSourceLocation());
   D->CommentKind = (PragmaMSCommentKind)Record.readInt();
   std::string Arg = readString();
-  memcpy(D->getTrailingObjects<char>(), Arg.data(), Arg.size());
-  D->getTrailingObjects<char>()[Arg.size()] = '\0';
+  memcpy(D->getTrailingObjects(), Arg.data(), Arg.size());
+  D->getTrailingObjects()[Arg.size()] = '\0';
 }
 
 void ASTDeclReader::VisitPragmaDetectMismatchDecl(PragmaDetectMismatchDecl *D) {
   VisitDecl(D);
   D->setLocation(readSourceLocation());
   std::string Name = readString();
-  memcpy(D->getTrailingObjects<char>(), Name.data(), Name.size());
-  D->getTrailingObjects<char>()[Name.size()] = '\0';
+  memcpy(D->getTrailingObjects(), Name.data(), Name.size());
+  D->getTrailingObjects()[Name.size()] = '\0';
 
   D->ValueStart = Name.size() + 1;
   std::string Value = readString();
-  memcpy(D->getTrailingObjects<char>() + D->ValueStart, Value.data(),
-         Value.size());
-  D->getTrailingObjects<char>()[D->ValueStart + Value.size()] = '\0';
+  memcpy(D->getTrailingObjects() + D->ValueStart, Value.data(), Value.size());
+  D->getTrailingObjects()[D->ValueStart + Value.size()] = '\0';
 }
 
 void ASTDeclReader::VisitTranslationUnitDecl(TranslationUnitDecl *TU) {
@@ -1748,7 +1747,7 @@ void ASTDeclReader::VisitParmVarDecl(ParmVarDecl *PD) {
 
 void ASTDeclReader::VisitDecompositionDecl(DecompositionDecl *DD) {
   VisitVarDecl(DD);
-  auto **BDs = DD->getTrailingObjects<BindingDecl *>();
+  auto **BDs = DD->getTrailingObjects();
   for (unsigned I = 0; I != DD->NumBindings; ++I) {
     BDs[I] = readDeclAs<BindingDecl>();
     BDs[I]->setDecomposedDecl(DD);
@@ -1923,7 +1922,7 @@ void ASTDeclReader::VisitUsingEnumDecl(UsingEnumDecl *D) {
 void ASTDeclReader::VisitUsingPackDecl(UsingPackDecl *D) {
   VisitNamedDecl(D);
   D->InstantiatedFrom = readDeclAs<NamedDecl>();
-  auto **Expansions = D->getTrailingObjects<NamedDecl *>();
+  auto **Expansions = D->getTrailingObjects();
   for (unsigned I = 0; I != D->NumExpansions; ++I)
     Expansions[I] = readDeclAs<NamedDecl>();
   mergeMergeable(D);
@@ -2364,7 +2363,7 @@ void ASTDeclReader::VisitImportDecl(ImportDecl *D) {
   VisitDecl(D);
   D->ImportedModule = readModule();
   D->setImportComplete(Record.readInt());
-  auto *StoredLocs = D->getTrailingObjects<SourceLocation>();
+  auto *StoredLocs = D->getTrailingObjects();
   for (unsigned I = 0, N = Record.back(); I != N; ++I)
     StoredLocs[I] = readSourceLocation();
   Record.skipInts(1); // The number of stored source locations.
@@ -2382,8 +2381,7 @@ void ASTDeclReader::VisitFriendDecl(FriendDecl *D) {
   else
     D->Friend = readTypeSourceInfo();
   for (unsigned i = 0; i != D->NumTPLists; ++i)
-    D->getTrailingObjects<TemplateParameterList *>()[i] =
-        Record.readTemplateParameterList();
+    D->getTrailingObjects()[i] = Record.readTemplateParameterList();
   D->NextFriend = readDeclID().getRawValue();
   D->UnsupportedFriend = (Record.readInt() != 0);
   D->FriendLoc = readSourceLocation();
@@ -2751,7 +2749,7 @@ void ASTDeclReader::VisitTemplateTemplateParmDecl(TemplateTemplateParmDecl *D) {
   D->setDepth(Record.readInt());
   D->setPosition(Record.readInt());
   if (D->isExpandedParameterPack()) {
-    auto **Data = D->getTrailingObjects<TemplateParameterList *>();
+    auto **Data = D->getTrailingObjects();
     for (unsigned I = 0, N = D->getNumExpansionTemplateParameters();
          I != N; ++I)
       Data[I] = Record.readTemplateParameterList();
diff --git a/clang/lib/Serialization/ASTReaderStmt.cpp b/clang/lib/Serialization/ASTReaderStmt.cpp
index 65102b64030c6..6ff5ebbc0e58e 100644
--- a/clang/lib/Serialization/ASTReaderStmt.cpp
+++ b/clang/lib/Serialization/ASTReaderStmt.cpp
@@ -719,7 +719,7 @@ void ASTStmtReader::VisitParenListExpr(ParenListExpr *E) {
   unsigned NumExprs = Record.readInt();
   assert((NumExprs == E->getNumExprs()) && "Wrong NumExprs!");
   for (unsigned I = 0; I != NumExprs; ++I)
-    E->getTrailingObjects<Stmt *>()[I] = Record.readSubStmt();
+    E->getTrailingObjects()[I] = Record.readSubStmt();
   E->LParenLoc = readSourceLocation();
   E->RParenLoc = readSourceLocation();
 }
@@ -1892,7 +1892,7 @@ void ASTStmtReader::VisitCXXDefaultArgExpr(CXXDefaultArgExpr *E) {
   E->CXXDefaultArgExprBits.Loc = readSourceLocation();
   E->CXXDefaultArgExprBits.HasRewrittenInit = Record.readInt();
   if (E->CXXDefaultArgExprBits.HasRewrittenInit)
-    *E->getTrailingObjects<Expr *>() = Record.readSubExpr();
+    *E->getTrailingObjects() = Record.readSubExpr();
 }
 
 void ASTStmtReader::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E) {
@@ -1902,7 +1902,7 @@ void ASTStmtReader::VisitCXXDefaultInitExpr(CXXDefaultInitExpr *E) {
   E->UsedContext = readDeclAs<DeclContext>();
   E->CXXDefaultInitExprBits.Loc = readSourceLocation();
   if (E->CXXDefaultInitExprBits.HasRewrittenInit)
-    *E->getTrailingObjects<Expr *>() = Record.readSubExpr();
+    *E->getTrailingObjects() = Record.readSubExpr();
 }
 
 void ASTStmtReader::VisitCXXBindTemporaryExpr(CXXBindTemporaryExpr *E) {
@@ -1999,7 +1999,7 @@ void ASTStmtReader::VisitExprWithCleanups(ExprWithCleanups *E) {
       Obj = cast<CompoundLiteralExpr>(Record.readSubExpr());
     else
       llvm_unreachable("unexpected cleanup object type");
-    E->getTrailingObjects<ExprWithCleanups::CleanupObject>()[i] = Obj;
+    E->getTrailingObjects()[i] = Obj;
   }
 
   E->ExprWithCleanupsBits.CleanupsHaveSideEffects = Record.readInt();
@@ -2198,9 +2198,8 @@ void ASTStmtReader::VisitSizeOfPackExpr(SizeOfPackExpr *E) {
   E->Pack = Record.readDeclAs<NamedDecl>();
   if (E->isPartiallySubstituted()) {
     assert(E->Length == NumPartialArgs);
-    for (auto *I = E->getTrailingObjects<TemplateArgument>(),
-              *E = I + NumPartialArgs;
-         I != E; ++I)
+    for (auto *I = E->getTrailingObjects(), *E = I + NumPartialArgs; I != E;
+         ++I)
       new (I) TemplateArgument(Record.readTemplateArgument());
   } else if (!E->isValueDependent()) {
     E->Length = Record.readInt();
@@ -2215,7 +2214,7 @@ void ASTStmtReader::VisitPackIndexingExpr(PackIndexingExpr *E) {
   E->RSquareLoc = readSourceLocation();
   E->SubExprs[0] = Record.readStmt();
   E->SubExprs[1] = Record.readStmt();
-  auto **Exprs = E->getTrailingObjects<Expr *>();
+  auto **Exprs = E->getTrailingObjects();
   for (unsigned I = 0; I < E->PackIndexingExprBits.TransformedExpressions; ++I)
     Exprs[I] = Record.readExpr();
 }
@@ -2252,7 +2251,7 @@ void ASTStmtReader::VisitFunctionParmPackExpr(FunctionParmPackExpr *E) {
   E->NumParameters = Record.readInt();
   E->ParamPack = readDeclAs<ValueDecl>();
   E->NameLoc = readSourceLocation();
-  auto **Parms = E->getTrailingObjects<ValueDecl *>();
+  auto **Parms = E->getTrailingObjects();
   for (unsigned i = 0, n = E->NumParameters; i != n; ++i)
     Parms[i] = readDeclAs<ValueDecl>();
 }
@@ -2289,7 +2288,7 @@ void ASTStmtReader::VisitCXXParenListInitExpr(CXXParenListInitExpr *E) {
   E->LParenLoc = readSourceLocation();
   E->RParenLoc = readSourceLocation();
   for (unsigned I = 0; I < ExpectedNumExprs; I++)
-    E->getTrailingObjects<Expr *>()[I] = Record.readSubExpr();
+    E->getTrailingObjects()[I] = Record.readSubExpr();
 
   bool HasArrayFillerOrUnionDecl = Record.readBool();
   if (HasArrayFillerOrUnionDecl) {

@jurahul jurahul requested a review from kazutakahirata June 17, 2025 13:52
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
Labels
clang:modules C++20 modules and Clang Header Modules clang Clang issues not falling into any other category
Projects
None yet
Development

Successfully merging this pull request may close these issues.

2 participants