[cfe-commits] r73833 - in /cfe/trunk: include/clang/Basic/DiagnosticSemaKinds.td lib/Sema/SemaDeclCXX.cpp test/SemaCXX/default-constructor-initializers.cpp test/SemaCXX/default-contructor-initializers.cpp

Douglas Gregor dgregor at apple.com
Mon Jun 22 10:26:51 PDT 2009


On Jun 20, 2009, at 1:23 PM, Fariborz Jahanian wrote:

> Author: fjahanian
> Date: Sat Jun 20 15:23:38 2009
> New Revision: 73833
>
> URL: http://llvm.org/viewvc/llvm-project?rev=73833&view=rev
> Log:
> Made improvements in c++'s object model patch on Doug's review.

Looks good (with the follow-on tweak to the wording). Thanks!

	- Doug

> Added:
>    cfe/trunk/test/SemaCXX/default-constructor-initializers.cpp
> Removed:
>    cfe/trunk/test/SemaCXX/default-contructor-initializers.cpp
> Modified:
>    cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
>    cfe/trunk/lib/Sema/SemaDeclCXX.cpp
>
> Modified: cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td?rev=73833&r1=73832&r2=73833&view=diff
>
> =
> =
> =
> =
> =
> =
> =
> =
> ======================================================================
> --- cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td (original)
> +++ cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td Sat Jun 20  
> 15:23:38 2009
> @@ -580,13 +580,13 @@
>   "default arguments can only be specified for parameters in a  
> function "
>   "declaration">;
> def err_defining_default_ctor : Error<
> -  "cannot define the default constructor for %0, because %1 does  
> not "
> -  "have any default constructor">;
> -def not_previous_class_decl : Note<
> -  "class %0 declared here">;
> +  "cannot define the default constructor for %0, because %select 
> {base class|member}1 "
> +  "%2 does not have any implicit default constructor">;
> +def note_previous_class_decl : Note<
> +  "%0 declared here">;
> def err_unintialized_member : Error<
> -  "cannot define the default constructor for %0, because of "
> -  "unintialized %select{reference|const}1 member">;
> +  "cannot define the implicit default constructor for %0, because "
> +  "%select{reference|const}1 member %2 cannot be default- 
> initialized">;
>
> def err_use_of_default_argument_to_function_declared_later : Error<
>   "use of default argument to function %0 that is declared later in  
> class %1">;
>
> Modified: cfe/trunk/lib/Sema/SemaDeclCXX.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaDeclCXX.cpp?rev=73833&r1=73832&r2=73833&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- cfe/trunk/lib/Sema/SemaDeclCXX.cpp (original)
> +++ cfe/trunk/lib/Sema/SemaDeclCXX.cpp Sat Jun 20 15:23:38 2009
> @@ -1866,9 +1866,10 @@
>       }
>       else {
>         Diag(CurrentLocation, diag::err_defining_default_ctor)
> -          << ClassDecl->getNameAsCString() << BaseClassDecl- 
> >getNameAsCString();
> -        Diag(BaseClassDecl->getLocation(),  
> diag::not_previous_class_decl)
> -              << BaseClassDecl->getNameAsCString();
> +          << Context.getTagDeclType(ClassDecl) << 1
> +          << Context.getTagDeclType(BaseClassDecl);
> +        Diag(BaseClassDecl->getLocation(),  
> diag::note_previous_class_decl)
> +              << Context.getTagDeclType(BaseClassDecl);
>         err = true;
>       }
>     }
> @@ -1890,22 +1891,22 @@
>         }
>         else {
>           Diag(CurrentLocation, diag::err_defining_default_ctor)
> -          << ClassDecl->getNameAsCString() <<
> -              FieldClassDecl->getNameAsCString();
> -          Diag(FieldClassDecl->getLocation(),  
> diag::not_previous_class_decl)
> -          << FieldClassDecl->getNameAsCString();
> +          << Context.getTagDeclType(ClassDecl) << 0 <<
> +              Context.getTagDeclType(FieldClassDecl);
> +          Diag(FieldClassDecl->getLocation(),  
> diag::note_previous_class_decl)
> +          << Context.getTagDeclType(FieldClassDecl);
>           err = true;
>         }
>       }
>     else if (FieldType->isReferenceType()) {
>       Diag(CurrentLocation, diag::err_unintialized_member)
> -        << ClassDecl->getNameAsCString() << 0;
> +        << Context.getTagDeclType(ClassDecl) << 0 << (*Field)- 
> >getNameAsCString();
>       Diag((*Field)->getLocation(), diag::note_declared_at);
>       err = true;
>     }
>     else if (FieldType.isConstQualified()) {
>       Diag(CurrentLocation, diag::err_unintialized_member)
> -        << ClassDecl->getNameAsCString() << 1;
> +        << Context.getTagDeclType(ClassDecl) << 1 << (*Field)- 
> >getNameAsCString();
>        Diag((*Field)->getLocation(), diag::note_declared_at);
>       err = true;
>     }
>
> Added: cfe/trunk/test/SemaCXX/default-constructor-initializers.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/default-constructor-initializers.cpp?rev=73833&view=auto
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- cfe/trunk/test/SemaCXX/default-constructor-initializers.cpp  
> (added)
> +++ cfe/trunk/test/SemaCXX/default-constructor-initializers.cpp Sat  
> Jun 20 15:23:38 2009
> @@ -0,0 +1,56 @@
> +// RUN: clang-cc -fsyntax-only -verify %s
> +
> +struct X1 { // has no implicit default constructor
> +   X1(int);
> +};
> +
> +struct X2  : X1 {  // expected-note {{'struct X2' declared here}} \
> +                  //  expected-note {{'struct X2' declared here}}
> +   X2(int);
> +};
> +
> +struct X3 : public X2 {
> +};
> +X3 x3;  // expected-error {{cannot define the default constructor  
> for 'struct X3', because member 'struct X2' does not have any  
> implicit default constructor}}
> +
> +
> +struct X4 {
> +  X2 x2;
> +  X2 & rx2; // expected-note {{declared at}}
> +};
> +
> +X4 x4; // expected-error {{cannot define the default constructor  
> for 'struct X4', because base class 'struct X2' does not have any  
> implicit default constructor}} \
> +       // expected-error {{cannot define the implicit default  
> constructor for 'struct X4', because reference member rx2 cannot be  
> default-initialized}}
> +
> +
> +struct Y1 { // has no implicit default constructor
> +   Y1(int);
> +};
> +
> +struct Y2  : Y1 {
> +   Y2(int);
> +   Y2();
> +};
> +
> +struct Y3 : public Y2 {
> +};
> +Y3 y3;
> +
> +struct Y4 {
> +  Y2 y2;
> +};
> +
> +Y4 y4;
> +
> +// More tests
> +
> +
> +struct Z1 {
> +        int& z; // expected-note {{declared at}}
> +  	const int c1; // expected-note {{declared at}}
> +  	volatile int v1;
> +};
> +
> +Z1 z1;  // expected-error {{cannot define the implicit default  
> constructor for 'struct Z1', because reference member z cannot be  
> default-initialized}} \
> +        // expected-error {{cannot define the implicit default  
> constructor for 'struct Z1', because const member c1 cannot be  
> default-initialized}}
> +
>
> Removed: cfe/trunk/test/SemaCXX/default-contructor-initializers.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/default-contructor-initializers.cpp?rev=73832&view=auto
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- cfe/trunk/test/SemaCXX/default-contructor-initializers.cpp  
> (original)
> +++ cfe/trunk/test/SemaCXX/default-contructor-initializers.cpp  
> (removed)
> @@ -1,56 +0,0 @@
> -// RUN: clang-cc -fsyntax-only -verify %s
> -
> -struct X1 { // has no implicit default constructor
> -   X1(int);
> -};
> -
> -struct X2  : X1 {  // expected-note {{class X2 declared here}} \
> -                  //  expected-note {{class X2 declared here}}
> -   X2(int);
> -};
> -
> -struct X3 : public X2 {
> -};
> -X3 x3;  // expected-error {{cannot define the default constructor  
> for X3, because X2 does not have any default constructor}}
> -
> -
> -struct X4 {
> -  X2 x2;
> -  X2 & rx2; // expected-note {{declared at}}
> -};
> -
> -X4 x4; // expected-error {{cannot define the default constructor  
> for X4, because X2 does not have any default constructor}} \
> -       // expected-error {{cannot define the default constructor  
> for X4, because of unintialized reference member}}
> -
> -
> -struct Y1 { // has no implicit default constructor
> -   Y1(int);
> -};
> -
> -struct Y2  : Y1 {
> -   Y2(int);
> -   Y2();
> -};
> -
> -struct Y3 : public Y2 {
> -};
> -Y3 y3;
> -
> -struct Y4 {
> -  Y2 y2;
> -};
> -
> -Y4 y4;
> -
> -// More tests
> -
> -
> -struct Z1 {
> -        int& z; // expected-note {{declared at}}
> -  	const int c1; // expected-note {{declared at}}
> -  	volatile int v1;
> -};
> -
> -Z1 z1;  // expected-error {{cannot define the default constructor  
> for Z1, because of unintialized const member}} \
> -        // expected-error {{cannot define the default constructor  
> for Z1, because of unintialized reference member}}
> -
>
>
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