Make typeCheckAbstractFunctionBodyUntil a utility

Author: CodaFi

lib/Sema/TypeChecker.cpp

@@ -718,8 +718,8 @@ bool swift::typeCheckAbstractFunctionBodyUntil(AbstractFunctionDecl *AFD,
   auto &Ctx = AFD->getASTContext();
   DiagnosticSuppression suppression(Ctx.Diags);
 
-  TypeChecker &TC = createTypeChecker(Ctx);
-  return !TC.typeCheckAbstractFunctionBodyUntil(AFD, EndTypeCheckLoc);
+  (void)createTypeChecker(Ctx);
+  return !TypeChecker::typeCheckAbstractFunctionBodyUntil(AFD, EndTypeCheckLoc);
 }
 
 bool swift::typeCheckTopLevelCodeDecl(TopLevelCodeDecl *TLCD) {

lib/Sema/TypeChecker.h

@@ -981,8 +981,8 @@ class TypeChecker final {
   /// of the function, set the result type of the expression to that sugar type.
   static Expr *substituteInputSugarTypeForResult(ApplyExpr *E);
 
-  bool typeCheckAbstractFunctionBodyUntil(AbstractFunctionDecl *AFD,
-                                          SourceLoc EndTypeCheckLoc);
+  static bool typeCheckAbstractFunctionBodyUntil(AbstractFunctionDecl *AFD,
+                                                 SourceLoc EndTypeCheckLoc);
   static bool typeCheckAbstractFunctionBody(AbstractFunctionDecl *AFD);
 
   static BraceStmt *applyFunctionBuilderBodyTransform(FuncDecl *FD,
@@ -1791,7 +1791,7 @@ class TypeChecker final {
   ///
   /// An ignored expression is one that is not nested within a larger
   /// expression or statement.
-  void checkIgnoredExpr(Expr *E);
+  static void checkIgnoredExpr(Expr *E);
 
   // Emits a diagnostic, if necessary, for a reference to a declaration
   // that is potentially unavailable at the given source location.