Remove setters from CXXTypeidExpr and CXXUuidofExpr.

We generally prefer to have the ASTReader directly set fields rather
than including public setter functions.

Author: zygoloid

clang/include/clang/AST/ExprCXX.h

@@ -778,6 +778,8 @@ class CXXStdInitializerListExpr : public Expr {
 ///
 /// This represents code like \c typeid(int) or \c typeid(*objPtr)
 class CXXTypeidExpr : public Expr {
+  friend class ASTStmtReader;
+
 private:
   llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand;
   SourceRange Range;
@@ -818,22 +820,11 @@ class CXXTypeidExpr : public Expr {
     assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)");
     return Operand.get<TypeSourceInfo *>();
   }
-
-  void setTypeOperandSourceInfo(TypeSourceInfo *TSI) {
-    assert(isTypeOperand() && "Cannot call getTypeOperand for typeid(expr)");
-    Operand = TSI;
-  }
-
   Expr *getExprOperand() const {
     assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)");
     return static_cast<Expr*>(Operand.get<Stmt *>());
   }
 
-  void setExprOperand(Expr *E) {
-    assert(!isTypeOperand() && "Cannot call getExprOperand for typeid(type)");
-    Operand = E;
-  }
-
   SourceLocation getBeginLoc() const LLVM_READONLY { return Range.getBegin(); }
   SourceLocation getEndLoc() const LLVM_READONLY { return Range.getEnd(); }
   SourceRange getSourceRange() const LLVM_READONLY { return Range; }
@@ -1000,6 +991,8 @@ class MSPropertySubscriptExpr : public Expr {
 ///
 /// This represents code like @c __uuidof(COMTYPE) or @c __uuidof(*comPtr)
 class CXXUuidofExpr : public Expr {
+  friend class ASTStmtReader;
+
 private:
   llvm::PointerUnion<Stmt *, TypeSourceInfo *> Operand;
   StringRef UuidStr;
@@ -1038,22 +1031,11 @@ class CXXUuidofExpr : public Expr {
     assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)");
     return Operand.get<TypeSourceInfo *>();
   }
-
-  void setTypeOperandSourceInfo(TypeSourceInfo *TSI) {
-    assert(isTypeOperand() && "Cannot call getTypeOperand for __uuidof(expr)");
-    Operand = TSI;
-  }
-
   Expr *getExprOperand() const {
     assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)");
     return static_cast<Expr*>(Operand.get<Stmt *>());
   }
 
-  void setExprOperand(Expr *E) {
-    assert(!isTypeOperand() && "Cannot call getExprOperand for __uuidof(type)");
-    Operand = E;
-  }
-
   void setUuidStr(StringRef US) { UuidStr = US; }
   StringRef getUuidStr() const { return UuidStr; }
 

clang/lib/Serialization/ASTReaderStmt.cpp

@@ -1748,14 +1748,10 @@ void ASTStmtReader::VisitCXXNullPtrLiteralExpr(CXXNullPtrLiteralExpr *E) {
 void ASTStmtReader::VisitCXXTypeidExpr(CXXTypeidExpr *E) {
   VisitExpr(E);
   E->setSourceRange(readSourceRange());
-  if (E->isTypeOperand()) { // typeid(int)
-    E->setTypeOperandSourceInfo(
-        readTypeSourceInfo());
-    return;
-  }
-
-  // typeid(42+2)
-  E->setExprOperand(Record.readSubExpr());
+  if (E->isTypeOperand())
+    E->Operand = readTypeSourceInfo();
+  else
+    E->Operand = Record.readSubExpr();
 }
 
 void ASTStmtReader::VisitCXXThisExpr(CXXThisExpr *E) {
@@ -2162,14 +2158,10 @@ void ASTStmtReader::VisitCXXUuidofExpr(CXXUuidofExpr *E) {
   E->setSourceRange(readSourceRange());
   std::string UuidStr = readString();
   E->setUuidStr(StringRef(UuidStr).copy(Record.getContext()));
-  if (E->isTypeOperand()) { // __uuidof(ComType)
-    E->setTypeOperandSourceInfo(
-        readTypeSourceInfo());
-    return;
-  }
-
-  // __uuidof(expr)
-  E->setExprOperand(Record.readSubExpr());
+  if (E->isTypeOperand())
+    E->Operand = readTypeSourceInfo();
+  else
+    E->Operand = Record.readSubExpr();
 }
 
 void ASTStmtReader::VisitSEHLeaveStmt(SEHLeaveStmt *S) {