r298824 - Revert r298742 "[ODRHash] Add error messages for mismatched parameters in methods."

Vassil Vassilev via cfe-commits cfe-commits at lists.llvm.org
Sun Mar 26 14:39:17 PDT 2017


Author: vvassilev
Date: Sun Mar 26 16:39:16 2017
New Revision: 298824

URL: http://llvm.org/viewvc/llvm-project?rev=298824&view=rev
Log:
Revert r298742 "[ODRHash] Add error messages for mismatched parameters in methods."

I failed to revert this in r298816.

Modified:
    cfe/trunk/include/clang/Basic/DiagnosticSerializationKinds.td
    cfe/trunk/lib/AST/ODRHash.cpp
    cfe/trunk/lib/Serialization/ASTReader.cpp
    cfe/trunk/test/Modules/odr_hash.cpp

Modified: cfe/trunk/include/clang/Basic/DiagnosticSerializationKinds.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticSerializationKinds.td?rev=298824&r1=298823&r2=298824&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/DiagnosticSerializationKinds.td (original)
+++ cfe/trunk/include/clang/Basic/DiagnosticSerializationKinds.td Sun Mar 26 16:39:16 2017
@@ -146,12 +146,7 @@ def err_module_odr_violation_mismatch_de
   "method %4 is %select{not static|static}5|"
   "method %4 is %select{not volatile|volatile}5|"
   "method %4 is %select{not const|const}5|"
-  "method %4 is %select{not inline|inline}5|"
-  "method %4 that has %5 parameter%s5|"
-  "method %4 with %ordinal5 parameter of type %6|"
-  "method %4 with %ordinal5 parameter named %6|"
-  "method %4 with %ordinal5 parameter with %select{no |}6default argument|"
-  "method %4 with %ordinal5 parameter with default argument}3">;
+  "method %4 is %select{not inline|inline}5}3">;
 
 def note_module_odr_violation_mismatch_decl_diff : Note<"but in '%0' found "
   "%select{"
@@ -171,12 +166,7 @@ def note_module_odr_violation_mismatch_d
   "method %2 is %select{not static|static}3|"
   "method %2 is %select{not volatile|volatile}3|"
   "method %2 is %select{not const|const}3|"
-  "method %2 is %select{not inline|inline}3|"
-  "method %2 that has %3 parameter%s3|"
-  "method %2 with %ordinal3 parameter of type %4|"
-  "method %2 with %ordinal3 parameter named %4|"
-  "method %2 with %ordinal3 parameter with %select{no |}4default argument|"
-  "method %2 with %ordinal3 parameter with different default argument}1">;
+  "method %2 is %select{not inline|inline}3}1">;
 
 def warn_module_uses_date_time : Warning<
   "%select{precompiled header|module}0 uses __DATE__ or __TIME__">,

Modified: cfe/trunk/lib/AST/ODRHash.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/ODRHash.cpp?rev=298824&r1=298823&r2=298824&view=diff
==============================================================================
--- cfe/trunk/lib/AST/ODRHash.cpp (original)
+++ cfe/trunk/lib/AST/ODRHash.cpp Sun Mar 26 16:39:16 2017
@@ -169,11 +169,6 @@ public:
     Inherited::VisitValueDecl(D);
   }
 
-  void VisitParmVarDecl(const ParmVarDecl *D) {
-    AddStmt(D->getDefaultArg());
-    Inherited::VisitParmVarDecl(D);
-  }
-
   void VisitAccessSpecDecl(const AccessSpecDecl *D) {
     ID.AddInteger(D->getAccess());
     Inherited::VisitAccessSpecDecl(D);
@@ -207,12 +202,6 @@ public:
     Hash.AddBoolean(D->isPure());
     Hash.AddBoolean(D->isDeletedAsWritten());
 
-    ID.AddInteger(D->param_size());
-
-    for (auto *Param : D->parameters()) {
-      Hash.AddSubDecl(Param);
-    }
-
     Inherited::VisitFunctionDecl(D);
   }
 
@@ -326,10 +315,6 @@ public:
     }
   }
 
-  void AddQualType(QualType T) {
-    Hash.AddQualType(T);
-  }
-
   void Visit(const Type *T) {
     ID.AddInteger(T->getTypeClass());
     Inherited::Visit(T);
@@ -342,50 +327,6 @@ public:
     VisitType(T);
   }
 
-  void VisitFunctionType(const FunctionType *T) {
-    AddQualType(T->getReturnType());
-    T->getExtInfo().Profile(ID);
-    Hash.AddBoolean(T->isConst());
-    Hash.AddBoolean(T->isVolatile());
-    Hash.AddBoolean(T->isRestrict());
-    VisitType(T);
-  }
-
-  void VisitFunctionNoProtoType(const FunctionNoProtoType *T) {
-    VisitFunctionType(T);
-  }
-
-  void VisitFunctionProtoType(const FunctionProtoType *T) {
-    ID.AddInteger(T->getNumParams());
-    for (auto ParamType : T->getParamTypes())
-      AddQualType(ParamType);
-
-    const auto &epi = T->getExtProtoInfo();
-    ID.AddInteger(epi.Variadic);
-    ID.AddInteger(epi.TypeQuals);
-    ID.AddInteger(epi.RefQualifier);
-    ID.AddInteger(epi.ExceptionSpec.Type);
-
-    if (epi.ExceptionSpec.Type == EST_Dynamic) {
-      for (QualType Ex : epi.ExceptionSpec.Exceptions)
-        AddQualType(Ex);
-    } else if (epi.ExceptionSpec.Type == EST_ComputedNoexcept &&
-               epi.ExceptionSpec.NoexceptExpr) {
-      AddStmt(epi.ExceptionSpec.NoexceptExpr);
-    } else if (epi.ExceptionSpec.Type == EST_Uninstantiated ||
-               epi.ExceptionSpec.Type == EST_Unevaluated) {
-      AddDecl(epi.ExceptionSpec.SourceDecl->getCanonicalDecl());
-    }
-    if (epi.ExtParameterInfos) {
-      for (unsigned i = 0; i != T->getNumParams(); ++i)
-        ID.AddInteger(epi.ExtParameterInfos[i].getOpaqueValue());
-    }
-    epi.ExtInfo.Profile(ID);
-    Hash.AddBoolean(epi.HasTrailingReturn);
-
-    VisitFunctionType(T);
-  }
-
   void VisitTypedefType(const TypedefType *T) {
     AddDecl(T->getDecl());
     Hash.AddQualType(T->getDecl()->getUnderlyingType());

Modified: cfe/trunk/lib/Serialization/ASTReader.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Serialization/ASTReader.cpp?rev=298824&r1=298823&r2=298824&view=diff
==============================================================================
--- cfe/trunk/lib/Serialization/ASTReader.cpp (original)
+++ cfe/trunk/lib/Serialization/ASTReader.cpp Sun Mar 26 16:39:16 2017
@@ -9239,11 +9239,6 @@ void ASTReader::diagnoseOdrViolations()
         MethodVolatile,
         MethodConst,
         MethodInline,
-        MethodNumberParameters,
-        MethodParameterType,
-        MethodParameterName,
-        MethodParameterSingleDefaultArgument,
-        MethodParameterDifferentDefaultArguments,
       };
 
       // These lambdas have the common portions of the ODR diagnostics.  This
@@ -9567,84 +9562,6 @@ void ASTReader::diagnoseOdrViolations()
           Diagnosed = true;
           break;
         }
-
-        const unsigned FirstNumParameters = FirstMethod->param_size();
-        const unsigned SecondNumParameters = SecondMethod->param_size();
-        if (FirstNumParameters != SecondNumParameters) {
-          ODRDiagError(FirstMethod->getLocation(),
-                       FirstMethod->getSourceRange(), MethodNumberParameters)
-              << FirstName << FirstNumParameters;
-          ODRDiagNote(SecondMethod->getLocation(),
-                      SecondMethod->getSourceRange(), MethodNumberParameters)
-              << SecondName << SecondNumParameters;
-          Diagnosed = true;
-          break;
-        }
-
-        // Need this status boolean to know when break out of the switch.
-        bool ParameterMismatch = false;
-        for (unsigned I = 0; I < FirstNumParameters; ++I) {
-          const ParmVarDecl *FirstParam = FirstMethod->getParamDecl(I);
-          const ParmVarDecl *SecondParam = SecondMethod->getParamDecl(I);
-          if (FirstParam->getType() != SecondParam->getType()) {
-            ODRDiagError(FirstMethod->getLocation(),
-                         FirstMethod->getSourceRange(), MethodParameterType)
-                << FirstName << (I + 1) << FirstParam->getType();
-            ODRDiagNote(SecondMethod->getLocation(),
-                        SecondMethod->getSourceRange(), MethodParameterType)
-                << SecondName << (I + 1) << SecondParam->getType();
-            ParameterMismatch = true;
-            break;
-          }
-
-          DeclarationName FirstParamName = FirstParam->getDeclName();
-          DeclarationName SecondParamName = SecondParam->getDeclName();
-          if (FirstParamName != SecondParamName) {
-            ODRDiagError(FirstMethod->getLocation(),
-                         FirstMethod->getSourceRange(), MethodParameterName)
-                << FirstName << (I + 1) << FirstParamName;
-            ODRDiagNote(SecondMethod->getLocation(),
-                        SecondMethod->getSourceRange(), MethodParameterName)
-                << SecondName << (I + 1) << SecondParamName;
-            ParameterMismatch = true;
-            break;
-          }
-
-          const Expr* FirstDefaultArg = FirstParam->getDefaultArg();
-          const Expr* SecondDefaultArg = SecondParam->getDefaultArg();
-          if ((!FirstDefaultArg && SecondDefaultArg) ||
-              (FirstDefaultArg && !SecondDefaultArg)) {
-            ODRDiagError(FirstMethod->getLocation(),
-                         FirstMethod->getSourceRange(),
-                         MethodParameterSingleDefaultArgument)
-                << FirstName << (I + 1) << (FirstDefaultArg != nullptr);
-            ODRDiagNote(SecondMethod->getLocation(),
-                        SecondMethod->getSourceRange(),
-                        MethodParameterSingleDefaultArgument)
-                << SecondName << (I + 1) << (SecondDefaultArg != nullptr);
-            ParameterMismatch = true;
-            break;
-          }
-
-          if (ComputeODRHash(FirstDefaultArg) !=
-              ComputeODRHash(SecondDefaultArg)) {
-            ODRDiagError(FirstMethod->getLocation(),
-                         FirstMethod->getSourceRange(),
-                         MethodParameterDifferentDefaultArguments)
-                << FirstName << (I + 1);
-            ODRDiagNote(SecondMethod->getLocation(),
-                        SecondMethod->getSourceRange(),
-                        MethodParameterDifferentDefaultArguments)
-                << SecondName << (I + 1);
-            ParameterMismatch = true;
-            break;
-          }
-        }
-
-        if (ParameterMismatch) {
-          Diagnosed = true;
-          break;
-        }
 
         break;
       }

Modified: cfe/trunk/test/Modules/odr_hash.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Modules/odr_hash.cpp?rev=298824&r1=298823&r2=298824&view=diff
==============================================================================
--- cfe/trunk/test/Modules/odr_hash.cpp (original)
+++ cfe/trunk/test/Modules/odr_hash.cpp Sun Mar 26 16:39:16 2017
@@ -403,79 +403,6 @@ S8 s8;
 // expected-note at first.h:* {{but in 'FirstModule' found method 'A' is const}}
 #endif
 
-#if defined(FIRST)
-struct S9 {
-  void A(int x) {}
-  void A(int x, int y) {}
-};
-#elif defined(SECOND)
-struct S9 {
-  void A(int x, int y) {}
-  void A(int x) {}
-};
-#else
-S9 s9;
-// expected-error at second.h:* {{'Method::S9' has different definitions in different modules; first difference is definition in module 'SecondModule' found method 'A' that has 2 parameters}}
-// expected-note at first.h:* {{but in 'FirstModule' found method 'A' that has 1 parameter}}
-#endif
-
-#if defined(FIRST)
-struct S10 {
-  void A(int x) {}
-  void A(float x) {}
-};
-#elif defined(SECOND)
-struct S10 {
-  void A(float x) {}
-  void A(int x) {}
-};
-#else
-S10 s10;
-// expected-error at second.h:* {{'Method::S10' has different definitions in different modules; first difference is definition in module 'SecondModule' found method 'A' with 1st parameter of type 'float'}}
-// expected-note at first.h:* {{but in 'FirstModule' found method 'A' with 1st parameter of type 'int'}}
-#endif
-
-#if defined(FIRST)
-struct S11 {
-  void A(int x) {}
-};
-#elif defined(SECOND)
-struct S11 {
-  void A(int y) {}
-};
-#else
-S11 s11;
-// expected-error at second.h:* {{'Method::S11' has different definitions in different modules; first difference is definition in module 'SecondModule' found method 'A' with 1st parameter named 'y'}}
-// expected-note at first.h:* {{but in 'FirstModule' found method 'A' with 1st parameter named 'x'}}
-#endif
-
-#if defined(FIRST)
-struct S12 {
-  void A(int x) {}
-};
-#elif defined(SECOND)
-struct S12 {
-  void A(int x = 1) {}
-};
-#else
-S12 s12;
-// expected-error at second.h:* {{'Method::S12' has different definitions in different modules; first difference is definition in module 'SecondModule' found method 'A' with 1st parameter with default argument}}
-// expected-note at first.h:* {{but in 'FirstModule' found method 'A' with 1st parameter with no default argument}}
-#endif
-
-#if defined(FIRST)
-struct S13 {
-  void A(int x = 1 + 0) {}
-};
-#elif defined(SECOND)
-struct S13 {
-  void A(int x = 1) {}
-};
-#else
-S13 s13;
-// expected-error at second.h:* {{'Method::S13' has different definitions in different modules; first difference is definition in module 'SecondModule' found method 'A' with 1st parameter with default argument}}
-// expected-note at first.h:* {{but in 'FirstModule' found method 'A' with 1st parameter with different default argument}}
-#endif
 }  // namespace Method
 
 // Naive parsing of AST can lead to cycles in processing.  Ensure
@@ -595,6 +522,7 @@ S3 s3;
 #endif
 }  // namespace Using
 
+
 // Interesting cases that should not cause errors.  struct S should not error
 // while struct T should error at the access specifier mismatch at the end.
 namespace AllDecls {
@@ -628,9 +556,6 @@ struct S {
 
   typedef int typedef_int;
   using using_int = int;
-
-  void method_one_arg(int x) {}
-  void method_one_arg_default_argument(int x = 5 + 5) {}
 };
 #elif defined(SECOND)
 typedef int INT;
@@ -662,9 +587,6 @@ struct S {
 
   typedef int typedef_int;
   using using_int = int;
-
-  void method_one_arg(int x) {}
-  void method_one_arg_default_argument(int x = 5 + 5) {}
 };
 #else
 S *s;
@@ -701,9 +623,6 @@ struct T {
   typedef int typedef_int;
   using using_int = int;
 
-  void method_one_arg(int x) {}
-  void method_one_arg_default_argument(int x = 5 + 5) {}
-
   private:
 };
 #elif defined(SECOND)
@@ -737,9 +656,6 @@ struct T {
   typedef int typedef_int;
   using using_int = int;
 
-  void method_one_arg(int x) {}
-  void method_one_arg_default_argument(int x = 5 + 5) {}
-
   public:
 };
 #else




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