r176667 - HeaderDoc: Support more of HeaderDoc documentation

Dmitri Gribenko gribozavr at gmail.com
Thu Mar 7 15:51:12 PST 2013


Hi Fariborz,

On Fri, Mar 8, 2013 at 1:33 AM, Fariborz Jahanian <fjahanian at apple.com> wrote:
> Author: fjahanian
> Date: Thu Mar  7 17:33:11 2013
> New Revision: 176667
>
> URL: http://llvm.org/viewvc/llvm-project?rev=176667&view=rev
> Log:
> HeaderDoc: Support more of HeaderDoc documentation
> commands; top level tags such as @interface and
> their 2nd level tags such as @coclass, etc.
> // rdar://12379114
>
> Modified:
>     cfe/trunk/include/clang/AST/CommentCommandTraits.h
>     cfe/trunk/include/clang/AST/CommentCommands.td
>     cfe/trunk/include/clang/AST/CommentSema.h
>     cfe/trunk/include/clang/Basic/DiagnosticCommentKinds.td
>     cfe/trunk/lib/AST/CommentSema.cpp
>     cfe/trunk/test/Sema/warn-documentation.cpp
>     cfe/trunk/test/Sema/warn-documentation.m
>     cfe/trunk/utils/TableGen/ClangCommentCommandInfoEmitter.cpp
>
> Modified: cfe/trunk/include/clang/AST/CommentCommandTraits.h
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/CommentCommandTraits.h?rev=176667&r1=176666&r2=176667&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/AST/CommentCommandTraits.h (original)
> +++ cfe/trunk/include/clang/AST/CommentCommandTraits.h Thu Mar  7 17:33:11 2013
> @@ -101,8 +101,15 @@ struct CommandInfo {
>    /// \endcode
>    unsigned IsDeclarationCommand : 1;
>
> -  /// \brief True if verbatim-like line command is a function declaraton.
> +  /// \brief True if verbatim-like line command is a function declaration.
>    unsigned IsFunctionDeclarationCommand : 1;
> +
> +  /// \brief True if block command is further describing a container API; such
> +  /// as @coclass, @classdesign, etc.
> +  unsigned IsContainerDetailCommand : 1;
> +
> +  /// \brief True if block command is a container API; such as @interface.
> +  unsigned IsContainerDeclarationCommand : 1;

Is the 'container' the best term for this?  I don't know ObjC, but a
container is something like std::vector for me.

>
>    /// \brief True if this command is unknown.  This \c CommandInfo object was
>    /// created during parsing.
>
> Modified: cfe/trunk/include/clang/AST/CommentCommands.td
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/CommentCommands.td?rev=176667&r1=176666&r2=176667&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/AST/CommentCommands.td (original)
> +++ cfe/trunk/include/clang/AST/CommentCommands.td Thu Mar  7 17:33:11 2013
> @@ -25,6 +25,8 @@ class Command<string name> {
>    bit IsVerbatimLineCommand = 0;
>    bit IsDeclarationCommand = 0;
>    bit IsFunctionDeclarationCommand = 0;
> +  bit IsContainerDetailCommand = 0;
> +  bit IsContainerDeclarationCommand = 0;
>  }
>
>  class InlineCommand<string name> : Command<name> {
> @@ -66,6 +68,12 @@ class FunctionDeclarationVerbatimLineCom
>    let IsFunctionDeclarationCommand = 1;
>  }
>
> +class ContainerDeclarationVerbatimLineCommand<string name> :
> +      VerbatimLineCommand<name> {
> +  let IsDeclarationCommand = 1;
> +  let IsContainerDeclarationCommand = 1;
> +}
> +
>  //===----------------------------------------------------------------------===//
>  // InlineCommand
>  //===----------------------------------------------------------------------===//
> @@ -181,9 +189,11 @@ def Typedef   : DeclarationVerbatimLineC
>  def Var       : DeclarationVerbatimLineCommand<"var">;
>
>  // HeaderDoc commands.
> -def Class     : DeclarationVerbatimLineCommand<"class">;
> -def Interface : DeclarationVerbatimLineCommand<"interface">;
> -def Protocol  : DeclarationVerbatimLineCommand<"protocol">;
> +def Class     : ContainerDeclarationVerbatimLineCommand<"class">;
> +def Interface : ContainerDeclarationVerbatimLineCommand<"interface">;
> +def Protocol  : ContainerDeclarationVerbatimLineCommand<"protocol">;
> +def Struct    : ContainerDeclarationVerbatimLineCommand<"struct">;
> +def Union     : ContainerDeclarationVerbatimLineCommand<"union">;
>  def Category  : DeclarationVerbatimLineCommand<"category">;
>  def Template  : DeclarationVerbatimLineCommand<"template">;
>  def Function  : FunctionDeclarationVerbatimLineCommand<"function">;
> @@ -191,7 +201,38 @@ def Method    : FunctionDeclarationVerba
>  def Callback  : FunctionDeclarationVerbatimLineCommand<"callback">;
>  def Const     : DeclarationVerbatimLineCommand<"const">;
>  def Constant  : DeclarationVerbatimLineCommand<"constant">;
> -def Struct    : DeclarationVerbatimLineCommand<"struct">;
> -def Union     : DeclarationVerbatimLineCommand<"union">;
>  def Enum      : DeclarationVerbatimLineCommand<"enum">;
>
> +def ClassDesign   : BlockCommand<"classdesign"> {
> +  let IsContainerDetailCommand = 1;
> +}
> +def CoClass       : BlockCommand<"coclass"> {
> + let IsContainerDetailCommand = 1;
> +}
> +def Dependency    : BlockCommand<"dependency"> {
> + let IsContainerDetailCommand = 1;
> +}
> +def Helper        : BlockCommand<"helper"> {
> + let IsContainerDetailCommand = 1;
> +}
> +def HelperClass   : BlockCommand<"helperclass"> {
> + let IsContainerDetailCommand = 1;
> +}
> +def Helps         : BlockCommand<"helps"> {
> + let IsContainerDetailCommand = 1;
> +}
> +def InstanceSize  : BlockCommand<"instancesize"> {
> + let IsContainerDetailCommand = 1;
> +}
> +def Ownership     : BlockCommand<"ownership"> {
> + let IsContainerDetailCommand = 1;
> +}
> +def Performance   : BlockCommand<"performance"> {
> + let IsContainerDetailCommand = 1;
> +}
> +def Security      : BlockCommand<"security"> {
> + let IsContainerDetailCommand = 1;
> +}
> +def SuperClass    : BlockCommand<"superclass"> {
> + let IsContainerDetailCommand = 1;
> +}

Please clean this up by defining a class in .td that is derived from
BlockCommand.

>
> Modified: cfe/trunk/include/clang/AST/CommentSema.h
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/AST/CommentSema.h?rev=176667&r1=176666&r2=176667&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/AST/CommentSema.h (original)
> +++ cfe/trunk/include/clang/AST/CommentSema.h Thu Mar  7 17:33:11 2013
> @@ -200,6 +200,10 @@ public:
>    void checkDeprecatedCommand(const BlockCommandComment *Comment);
>
>    void checkFunctionDeclVerbatimLine(const BlockCommandComment *Comment);
> +
> +  void checkContainerDeclVerbatimLine(const BlockCommandComment *Comment);
> +
> +  void checkContainerDecl(const BlockCommandComment *Comment);
>
>    /// Resolve parameter names to parameter indexes in function declaration.
>    /// Emit diagnostics about unknown parametrs.
> @@ -211,6 +215,11 @@ public:
>    bool isObjCMethodDecl();
>    bool isObjCPropertyDecl();
>    bool isTemplateOrSpecialization();
> +  bool isContainerDecl();
> +  bool isClassStructDecl();
> +  bool isUnionDecl();
> +  bool isObjCInterfaceDecl();
> +  bool isObjCProtocolDecl();
>
>    ArrayRef<const ParmVarDecl *> getParamVars();
>
>
> Modified: cfe/trunk/include/clang/Basic/DiagnosticCommentKinds.td
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticCommentKinds.td?rev=176667&r1=176666&r2=176667&view=diff
> ==============================================================================
> --- cfe/trunk/include/clang/Basic/DiagnosticCommentKinds.td (original)
> +++ cfe/trunk/include/clang/Basic/DiagnosticCommentKinds.td Thu Mar  7 17:33:11 2013
> @@ -79,6 +79,18 @@ def warn_doc_function_method_decl_mismat
>    "%select{a function|an Objective-C method|a pointer to function}2 declaration">,
>    InGroup<Documentation>, DefaultIgnore;
>
> +def warn_doc_api_container_decl_mismatch : Warning<
> +  "'%select{\\|@}0%select{class|interface|protocol|struct|union}1' "
> +  "command should not be used in a comment attached to a "
> +  "non-%select{class|interface|protocol|struct|union}2 declaration">,
> +  InGroup<Documentation>, DefaultIgnore;
> +
> +def warn_doc_container_decl_mismatch : Warning<
> +  "'%select{\\|@}0%select{classdesign|coclass|dependency|helper"
> +  "|helperclass|helps|instancesize|ownership|performance|security|superclass}1' "
> +  "command should not be used in a comment attached to a non-container declaration">,
> +  InGroup<Documentation>, DefaultIgnore;
> +
>  def warn_doc_param_duplicate : Warning<
>    "parameter '%0' is already documented">,
>    InGroup<Documentation>, DefaultIgnore;
>
> Modified: cfe/trunk/lib/AST/CommentSema.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/AST/CommentSema.cpp?rev=176667&r1=176666&r2=176667&view=diff
> ==============================================================================
> --- cfe/trunk/lib/AST/CommentSema.cpp (original)
> +++ cfe/trunk/lib/AST/CommentSema.cpp Thu Mar  7 17:33:11 2013
> @@ -52,8 +52,11 @@ BlockCommandComment *Sema::actOnBlockCom
>                                        SourceLocation LocEnd,
>                                        unsigned CommandID,
>                                        CommandMarkerKind CommandMarker) {
> -  return new (Allocator) BlockCommandComment(LocBegin, LocEnd, CommandID,
> -                                             CommandMarker);
> +  BlockCommandComment *BC = new (Allocator) BlockCommandComment(LocBegin, LocEnd,
> +                                                                CommandID,
> +                                                                CommandMarker);
> +  checkContainerDecl(BC);
> +  return BC;
>  }
>
>  void Sema::actOnBlockCommandArgs(BlockCommandComment *Command,
> @@ -105,6 +108,52 @@ void Sema::checkFunctionDeclVerbatimLine
>      << (DiagSelect-1) << (DiagSelect-1)
>      << Comment->getSourceRange();
>  }
> +
> +void Sema::checkContainerDeclVerbatimLine(const BlockCommandComment *Comment) {
> +  const CommandInfo *Info = Traits.getCommandInfo(Comment->getCommandID());
> +  if (!Info->IsContainerDeclarationCommand)
> +    return;
> +  StringRef Name = Info->Name;
> +  unsigned DiagSelect = llvm::StringSwitch<unsigned>(Name)
> +  .Case("class", !isClassStructDecl() ? 1 : 0)
> +  .Case("interface", !isObjCInterfaceDecl() ? 2 : 0)
> +  .Case("protocol", !isObjCProtocolDecl() ? 3 : 0)
> +  .Case("struct", !isClassStructDecl() ? 4 : 0)
> +  .Case("union", !isUnionDecl() ? 5 : 0)
> +  .Default(0);

Please don't StringSwitch on the command name.  Statically known
commands have IDs.  See
CommentASTToXMLConverter::visitBlockCommandComment for an example of
how to use these.

> +
> +  if (DiagSelect)
> +    Diag(Comment->getLocation(), diag::warn_doc_api_container_decl_mismatch)
> +    << Comment->getCommandMarker()
> +    << (DiagSelect-1) << (DiagSelect-1)
> +    << Comment->getSourceRange();
> +}
> +
> +void Sema::checkContainerDecl(const BlockCommandComment *Comment) {
> +  const CommandInfo *Info = Traits.getCommandInfo(Comment->getCommandID());
> +  if (!Info->IsContainerDetailCommand || isContainerDecl())
> +    return;
> +  StringRef Name = Info->Name;
> +  unsigned DiagSelect = llvm::StringSwitch<unsigned>(Name)
> +  .Case("classdesign", 1)
> +  .Case("coclass", 2)
> +  .Case("dependency", 3)
> +  .Case("helper", 4)
> +  .Case("helperclass", 5)
> +  .Case("helps", 6)
> +  .Case("instancesize", 7)
> +  .Case("ownership", 8)
> +  .Case("performance", 9)
> +  .Case("security", 10)
> +  .Case("superclass", 11)
> +  .Default(0);

Same here.

> +
> +  if (DiagSelect)
> +    Diag(Comment->getLocation(), diag::warn_doc_container_decl_mismatch)
> +    << Comment->getCommandMarker()
> +    << (DiagSelect-1)
> +    << Comment->getSourceRange();
> +}
>
>  void Sema::actOnParamCommandDirectionArg(ParamCommandComment *Command,
>                                           SourceLocation ArgLocBegin,
> @@ -362,6 +411,7 @@ VerbatimLineComment *Sema::actOnVerbatim
>                                TextBegin,
>                                Text);
>    checkFunctionDeclVerbatimLine(VL);
> +  checkContainerDeclVerbatimLine(VL);
>    return VL;
>  }
>
> @@ -735,6 +785,54 @@ bool Sema::isTemplateOrSpecialization()
>    return ThisDeclInfo->getTemplateKind() != DeclInfo::NotTemplate;
>  }
>
> +bool Sema::isContainerDecl() {
> +  if (!ThisDeclInfo)
> +    return false;
> +  if (!ThisDeclInfo->IsFilled)
> +    inspectThisDecl();
> +  return isUnionDecl() || isClassStructDecl()
> +         || isObjCInterfaceDecl() || isObjCProtocolDecl();
> +}
> +
> +bool Sema::isUnionDecl() {
> +  if (!ThisDeclInfo)
> +    return false;
> +  if (!ThisDeclInfo->IsFilled)
> +    inspectThisDecl();
> +  if (const RecordDecl *RD =
> +        dyn_cast_or_null<RecordDecl>(ThisDeclInfo->CurrentDecl))
> +    return RD->isUnion();
> +  return false;
> +}
> +
> +bool Sema::isClassStructDecl() {

isClassOrStructDecl() would be a better name.

> +  if (!ThisDeclInfo)
> +    return false;
> +  if (!ThisDeclInfo->IsFilled)
> +    inspectThisDecl();
> +  return ThisDeclInfo->CurrentDecl &&
> +         isa<RecordDecl>(ThisDeclInfo->CurrentDecl) &&
> +         !isUnionDecl();
> +}
> +
> +bool Sema::isObjCInterfaceDecl() {
> +  if (!ThisDeclInfo)
> +    return false;
> +  if (!ThisDeclInfo->IsFilled)
> +    inspectThisDecl();
> +  return ThisDeclInfo->CurrentDecl &&
> +         isa<ObjCInterfaceDecl>(ThisDeclInfo->CurrentDecl);
> +}
> +
> +bool Sema::isObjCProtocolDecl() {
> +  if (!ThisDeclInfo)
> +    return false;
> +  if (!ThisDeclInfo->IsFilled)
> +    inspectThisDecl();
> +  return ThisDeclInfo->CurrentDecl &&
> +         isa<ObjCProtocolDecl>(ThisDeclInfo->CurrentDecl);
> +}
> +
>  ArrayRef<const ParmVarDecl *> Sema::getParamVars() {
>    if (!ThisDeclInfo->IsFilled)
>      inspectThisDecl();
>
> Modified: cfe/trunk/test/Sema/warn-documentation.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Sema/warn-documentation.cpp?rev=176667&r1=176666&r2=176667&view=diff
> ==============================================================================
> --- cfe/trunk/test/Sema/warn-documentation.cpp (original)
> +++ cfe/trunk/test/Sema/warn-documentation.cpp Thu Mar  7 17:33:11 2013
> @@ -922,3 +922,31 @@ int test_nocrash12();
>  // expected-warning at +1 {{empty paragraph passed to '@param' command}}
>  ///@param x at param y
>  int test_nocrash13(int x, int y);
> +
> +// rdar://12379114
> +// expected-warning at +2 {{'@union' command should not be used in a comment attached to a non-union declaration}}
> +/*!
> +   @union U This is new
> +*/
> +struct U { int iS; };
> +
> +/*!
> +  @union U1
> +*/
> +union U1 {int i; };
> +
> +// expected-warning at +2 {{'@struct' command should not be used in a comment attached to a non-struct declaration}}
> +/*!
> + @struct S2
> +*/
> +union S2 {};
> +
> +/*!
> +  @class C1
> +*/
> +class C1;
> +
> +/*!
> +  @struct S3;
> +*/
> +class S3;
>
> Modified: cfe/trunk/test/Sema/warn-documentation.m
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Sema/warn-documentation.m?rev=176667&r1=176666&r2=176667&view=diff
> ==============================================================================
> --- cfe/trunk/test/Sema/warn-documentation.m (original)
> +++ cfe/trunk/test/Sema/warn-documentation.m Thu Mar  7 17:33:11 2013
> @@ -105,3 +105,55 @@ typedef int (^test_param1)(int aaa, int
>  typedef id ID;
>  - (unsigned) Base64EncodeEx : (ID)Arg;
>  @end
> +
> +// rdar://12379114
> +// expected-warning at +5 {{'@interface' command should not be used in a comment attached to a non-interface declaration}}
> +// expected-warning at +5 {{'@classdesign' command should not be used in a comment attached to a non-container declaration}}
> +// expected-warning at +5 {{'@coclass' command should not be used in a comment attached to a non-container declaration}}
> + at interface NSObject @end
> +/*!
> + at interface IOCommandGate
> + at classdesign Multiple paragraphs go here.
> + at coclass myCoClass
> +*/
> +
> +typedef id OBJ;
> + at interface IOCommandGate : NSObject {
> +  OBJ iv;
> +}
> + at end
> +
> +// expected-warning at +2 {{'@protocol' command should not be used in a comment attached to a non-protocol declaration}}
> +/*!
> + at protocol PROTO
> +*/
> +struct S;
> +
> +/*!
> +  @interface NSArray This is an array
> +*/
> + at class NSArray;
> + at interface NSArray @end
> +
> +/*!
> + at interface NSMutableArray
> + at super NSArray
> +*/
> + at interface NSMutableArray : NSArray @end
> +
> +/*!
> +  @protocol MyProto
> +*/
> + at protocol MyProto @end
> +
> +// expected-warning at +2 {{'@protocol' command should not be used in a comment attached to a non-protocol declaration}}
> +/*!
> + @protocol MyProto
> +*/
> + at interface INTF <MyProto> @end
> +
> +// expected-warning at +2 {{'@struct' command should not be used in a comment attached to a non-struct declaration}}
> +/*!
> +  @struct S1 THIS IS IT
> +*/
> + at interface S1 @end
>
> Modified: cfe/trunk/utils/TableGen/ClangCommentCommandInfoEmitter.cpp
> URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/utils/TableGen/ClangCommentCommandInfoEmitter.cpp?rev=176667&r1=176666&r2=176667&view=diff
> ==============================================================================
> --- cfe/trunk/utils/TableGen/ClangCommentCommandInfoEmitter.cpp (original)
> +++ cfe/trunk/utils/TableGen/ClangCommentCommandInfoEmitter.cpp Thu Mar  7 17:33:11 2013
> @@ -48,6 +48,8 @@ void EmitClangCommentCommandInfo(RecordK
>         << Tag.getValueAsBit("IsVerbatimLineCommand") << ", "
>         << Tag.getValueAsBit("IsDeclarationCommand") << ", "
>         << Tag.getValueAsBit("IsFunctionDeclarationCommand") << ", "
> +       << Tag.getValueAsBit("IsContainerDetailCommand") << ", "
> +       << Tag.getValueAsBit("IsContainerDeclarationCommand") << ", "
>         << /* IsUnknownCommand = */ "0"
>         << " }";
>      if (i + 1 != e)

Dmitri

-- 
main(i,j){for(i=2;;i++){for(j=2;j<i;j++){if(!(i%j)){j=0;break;}}if
(j){printf("%d\n",i);}}} /*Dmitri Gribenko <gribozavr at gmail.com>*/



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