From d2bb137e5816cd8b0ad29a26063800a9c22b679b Mon Sep 17 00:00:00 2001 From: Adrian Prantl Date: Wed, 8 Jul 2015 20:53:55 +0000 Subject: [PATCH] Cleanup the doxygen comments in CGDebugInfo.h according to the coding standards and clang-format the file. git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@241723 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/CGDebugInfo.h | 248 +++++++++++++++++++------------------- 1 file changed, 122 insertions(+), 126 deletions(-) diff --git a/lib/CodeGen/CGDebugInfo.h b/lib/CodeGen/CGDebugInfo.h index 3efd448fb9..2557cd62c4 100644 --- a/lib/CodeGen/CGDebugInfo.h +++ b/lib/CodeGen/CGDebugInfo.h @@ -26,26 +26,26 @@ #include "llvm/Support/Allocator.h" namespace llvm { - class MDNode; +class MDNode; } namespace clang { - class CXXMethodDecl; - class VarDecl; - class ObjCInterfaceDecl; - class ObjCIvarDecl; - class ClassTemplateSpecializationDecl; - class GlobalDecl; - class UsingDecl; +class CXXMethodDecl; +class VarDecl; +class ObjCInterfaceDecl; +class ObjCIvarDecl; +class ClassTemplateSpecializationDecl; +class GlobalDecl; +class UsingDecl; namespace CodeGen { - class CodeGenModule; - class CodeGenFunction; - class CGBlockInfo; +class CodeGenModule; +class CodeGenFunction; +class CGBlockInfo; -/// \brief This class gathers all debug information during compilation -/// and is responsible for emitting to llvm globals or pass directly to -/// the backend. +/// This class gathers all debug information during compilation and is +/// responsible for emitting to llvm globals or pass directly to the +/// backend. class CGDebugInfo { friend class ApplyDebugLocation; friend class SaveAndRestoreLocation; @@ -66,7 +66,7 @@ class CGDebugInfo { llvm::DIType *OCLImage3dDITy = nullptr; llvm::DIType *OCLEventDITy = nullptr; - /// \brief Cache of previously constructed Types. + /// Cache of previously constructed Types. llvm::DenseMap TypeCache; struct ObjCInterfaceCacheEntry { @@ -78,41 +78,40 @@ class CGDebugInfo { : Type(Type), Decl(Decl), Unit(Unit) {} }; - /// \brief Cache of previously constructed interfaces - /// which may change. + /// Cache of previously constructed interfaces which may change. llvm::SmallVector ObjCInterfaceCache; - /// \brief Cache of references to AST files such as PCHs or modules. + /// Cache of references to AST files such as PCHs or modules. llvm::DenseMap ModuleRefCache; - /// \brief list of interfaces we want to keep even if orphaned. + /// List of interfaces we want to keep even if orphaned. std::vector RetainedTypes; - /// \brief Cache of forward declared types to RAUW at the end of + /// Cache of forward declared types to RAUW at the end of /// compilation. std::vector> ReplaceMap; - /// \brief Cache of replaceable forward declarartions (functions and + /// Cache of replaceable forward declarartions (functions and /// variables) to RAUW at the end of compilation. std::vector> FwdDeclReplaceMap; - // LexicalBlockStack - Keep track of our current nested lexical block. + /// Keep track of our current nested lexical block. std::vector> LexicalBlockStack; llvm::DenseMap RegionMap; - // FnBeginRegionCount - Keep track of LexicalBlockStack counter at the - // beginning of a function. This is used to pop unbalanced regions at - // the end of a function. + /// Keep track of LexicalBlockStack counter at the beginning of a + /// function. This is used to pop unbalanced regions at the end of a + /// function. std::vector FnBeginRegionCount; - /// \brief This is a storage for names that are - /// constructed on demand. For example, C++ destructors, C++ operators etc.. + /// This is a storage for names that are constructed on demand. For + /// example, C++ destructors, C++ operators etc.. llvm::BumpPtrAllocator DebugInfoNames; StringRef CWDName; llvm::DenseMap DIFileCache; llvm::DenseMap SPCache; - /// \brief Cache declarations relevant to DW_TAG_imported_declarations (C++ + /// Cache declarations relevant to DW_TAG_imported_declarations (C++ /// using declarations) that aren't covered by other more specific caches. llvm::DenseMap DeclCache; llvm::DenseMap NameSpaceCache; @@ -194,7 +193,8 @@ class CGDebugInfo { llvm::DIFile *tunit, llvm::DIScope *scope, const RecordDecl *RD = nullptr); - // Helpers for collecting fields of a record. + /// Helpers for collecting fields of a record. + /// @{ void CollectRecordLambdaFields(const CXXRecordDecl *CXXDecl, SmallVectorImpl &E, llvm::DIType *RecordTy); @@ -211,9 +211,9 @@ class CGDebugInfo { void CollectVTableInfo(const CXXRecordDecl *Decl, llvm::DIFile *F, SmallVectorImpl &EltTys); + /// @} - // CreateLexicalBlock - Create a new lexical block node and push it on - // the stack. + /// Create a new lexical block node and push it on the stack. void CreateLexicalBlock(SourceLocation Loc); public: @@ -222,85 +222,83 @@ public: void finalize(); - /// \brief Update the current source location. If \arg loc is - /// invalid it is ignored. + /// Update the current source location. If \arg loc is invalid it is + /// ignored. void setLocation(SourceLocation Loc); - /// \brief Emit metadata to indicate a change in line/column - /// information in the source file. + /// Emit metadata to indicate a change in line/column information in + /// the source file. void EmitLocation(CGBuilderTy &Builder, SourceLocation Loc); - /// \brief Emit a call to llvm.dbg.function.start to indicate + /// Emit a call to llvm.dbg.function.start to indicate /// start of a new function. /// \param Loc The location of the function header. /// \param ScopeLoc The location of the function body. - void EmitFunctionStart(GlobalDecl GD, - SourceLocation Loc, SourceLocation ScopeLoc, - QualType FnType, llvm::Function *Fn, - CGBuilderTy &Builder); + void EmitFunctionStart(GlobalDecl GD, SourceLocation Loc, + SourceLocation ScopeLoc, QualType FnType, + llvm::Function *Fn, CGBuilderTy &Builder); - /// \brief Constructs the debug code for exiting a function. + /// Constructs the debug code for exiting a function. void EmitFunctionEnd(CGBuilderTy &Builder); - /// \brief Emit metadata to indicate the beginning of a - /// new lexical block and push the block onto the stack. + /// Emit metadata to indicate the beginning of a new lexical block + /// and push the block onto the stack. void EmitLexicalBlockStart(CGBuilderTy &Builder, SourceLocation Loc); - /// \brief Emit metadata to indicate the end of a new lexical - /// block and pop the current block. + /// Emit metadata to indicate the end of a new lexical block and pop + /// the current block. void EmitLexicalBlockEnd(CGBuilderTy &Builder, SourceLocation Loc); - /// \brief Emit call to llvm.dbg.declare for an automatic - /// variable declaration. + /// Emit call to \c llvm.dbg.declare for an automatic variable + /// declaration. void EmitDeclareOfAutoVariable(const VarDecl *Decl, llvm::Value *AI, CGBuilderTy &Builder); - /// \brief Emit call to llvm.dbg.declare for an - /// imported variable declaration in a block. + /// Emit call to \c llvm.dbg.declare for an imported variable + /// declaration in a block. void EmitDeclareOfBlockDeclRefVariable(const VarDecl *variable, llvm::Value *storage, CGBuilderTy &Builder, const CGBlockInfo &blockInfo, llvm::Instruction *InsertPoint = 0); - /// \brief Emit call to llvm.dbg.declare for an argument - /// variable declaration. + /// Emit call to \c llvm.dbg.declare for an argument variable + /// declaration. void EmitDeclareOfArgVariable(const VarDecl *Decl, llvm::Value *AI, unsigned ArgNo, CGBuilderTy &Builder); - /// \brief Emit call to - /// llvm.dbg.declare for the block-literal argument to a block - /// invocation function. + /// Emit call to \c llvm.dbg.declare for the block-literal argument + /// to a block invocation function. void EmitDeclareOfBlockLiteralArgVariable(const CGBlockInfo &block, llvm::Value *Arg, unsigned ArgNo, llvm::Value *LocalAddr, CGBuilderTy &Builder); - /// \brief Emit information about a global variable. + /// Emit information about a global variable. void EmitGlobalVariable(llvm::GlobalVariable *GV, const VarDecl *Decl); - /// \brief Emit global variable's debug info. + /// Emit global variable's debug info. void EmitGlobalVariable(const ValueDecl *VD, llvm::Constant *Init); - /// \brief Emit C++ using directive. + /// Emit C++ using directive. void EmitUsingDirective(const UsingDirectiveDecl &UD); - /// \brief Emit the type explicitly casted to. + /// Emit the type explicitly casted to. void EmitExplicitCastType(QualType Ty); - /// \brief Emit C++ using declaration. + /// Emit C++ using declaration. void EmitUsingDecl(const UsingDecl &UD); - /// \brief Emit an @import declaration. + /// Emit an @import declaration. void EmitImportDecl(const ImportDecl &ID); - /// \brief Emit C++ namespace alias. + /// Emit C++ namespace alias. llvm::DIImportedEntity *EmitNamespaceAlias(const NamespaceAliasDecl &NA); - /// \brief Emit record type's standalone debug info. + /// Emit record type's standalone debug info. llvm::DIType *getOrCreateRecordType(QualType Ty, SourceLocation L); - /// \brief Emit an Objective-C interface type standalone debug info. + /// Emit an Objective-C interface type standalone debug info. llvm::DIType *getOrCreateInterfaceType(QualType Ty, SourceLocation Loc); void completeType(const EnumDecl *ED); @@ -311,67 +309,64 @@ public: void completeTemplateDefinition(const ClassTemplateSpecializationDecl &SD); private: - /// \brief Emit call to llvm.dbg.declare for a variable declaration. + /// Emit call to llvm.dbg.declare for a variable declaration. /// Tag accepts custom types DW_TAG_arg_variable and DW_TAG_auto_variable, /// otherwise would be of type llvm::dwarf::Tag. void EmitDeclare(const VarDecl *decl, llvm::dwarf::Tag Tag, llvm::Value *AI, unsigned ArgNo, CGBuilderTy &Builder); - // EmitTypeForVarWithBlocksAttr - Build up structure info for the byref. - // See BuildByRefType. + /// Build up structure info for the byref. See \a BuildByRefType. llvm::DIType *EmitTypeForVarWithBlocksAttr(const VarDecl *VD, uint64_t *OffSet); - /// \brief Get context info for the decl. + /// Get context info for the decl. llvm::DIScope *getContextDescriptor(const Decl *Decl); llvm::DIScope *getCurrentContextDescriptor(const Decl *Decl); - /// \brief Create a forward decl for a RecordType in a given context. + /// Create a forward decl for a RecordType in a given context. llvm::DICompositeType *getOrCreateRecordFwdDecl(const RecordType *, llvm::DIScope *); - /// \brief Return current directory name. + /// Return current directory name. StringRef getCurrentDirname(); - /// \brief Create new compile unit. + /// Create new compile unit. void CreateCompileUnit(); - /// \brief Get the file debug info descriptor for the input - /// location. + /// Get the file debug info descriptor for the input location. llvm::DIFile *getOrCreateFile(SourceLocation Loc); - /// \brief Get the file info for main compile unit. + /// Get the file info for main compile unit. llvm::DIFile *getOrCreateMainFile(); - /// \brief Get the type from the cache or create a new type if - /// necessary. + /// Get the type from the cache or create a new type if necessary. llvm::DIType *getOrCreateType(QualType Ty, llvm::DIFile *Fg); - /// \brief Get a reference to a clang module. + /// Get a reference to a clang module. llvm::DIModule * getOrCreateModuleRef(ExternalASTSource::ASTSourceDescriptor Mod); - /// \brief Get the type from the cache or create a new - /// partial type if necessary. + /// Get the type from the cache or create a new partial type if + /// necessary. llvm::DIType *getOrCreateLimitedType(const RecordType *Ty, llvm::DIFile *F); - /// \brief Create type metadata for a source language type. + /// Create type metadata for a source language type. llvm::DIType *CreateTypeNode(QualType Ty, llvm::DIFile *Fg); - /// \brief return the underlying ObjCInterfaceDecl - /// if Ty is an ObjCInterface or a pointer to one. - ObjCInterfaceDecl* getObjCInterfaceDecl(QualType Ty); + /// Return the underlying ObjCInterfaceDecl if \arg Ty is an + /// ObjCInterface or a pointer to one. + ObjCInterfaceDecl *getObjCInterfaceDecl(QualType Ty); - /// \brief Create new member and increase Offset by FType's size. + /// Create new member and increase Offset by FType's size. llvm::DIType *CreateMemberType(llvm::DIFile *Unit, QualType FType, StringRef Name, uint64_t *Offset); - /// \brief Retrieve the DIDescriptor, if any, for the canonical form of this + /// Retrieve the DIDescriptor, if any, for the canonical form of this /// declaration. llvm::DINode *getDeclarationOrDefinition(const Decl *D); - /// \brief Return debug info descriptor to describe method + /// Return debug info descriptor to describe method /// declaration for the given method definition. llvm::DISubprogram *getFunctionDeclaration(const Decl *D); @@ -380,11 +375,11 @@ private: llvm::DIDerivedType * getOrCreateStaticDataMemberDeclarationOrNull(const VarDecl *D); - /// \brief Create a subprogram describing the forward - /// decalration represented in the given FunctionDecl. + /// Create a subprogram describing the forward declaration + /// represented in the given FunctionDecl. llvm::DISubprogram *getFunctionForwardDeclaration(const FunctionDecl *FD); - /// \brief Create a global variable describing the forward decalration + /// Create a global variable describing the forward decalration /// represented in the given VarDecl. llvm::DIGlobalVariable * getGlobalVariableForwardDeclaration(const VarDecl *VD); @@ -396,35 +391,35 @@ private: unsigned LineNo, StringRef LinkageName, llvm::GlobalVariable *Var, llvm::DIScope *DContext); - /// \brief Get function name for the given FunctionDecl. If the - /// name is constructed on demand (e.g. C++ destructor) then the name - /// is stored on the side. + /// Get function name for the given FunctionDecl. If the name is + /// constructed on demand (e.g., C++ destructor) then the name is + /// stored on the side. StringRef getFunctionName(const FunctionDecl *FD); - /// \brief Returns the unmangled name of an Objective-C method. + /// Returns the unmangled name of an Objective-C method. /// This is the display name for the debugging info. StringRef getObjCMethodName(const ObjCMethodDecl *FD); - /// \brief Return selector name. This is used for debugging + /// Return selector name. This is used for debugging /// info. StringRef getSelectorName(Selector S); - /// \brief Get class name including template argument list. + /// Get class name including template argument list. StringRef getClassName(const RecordDecl *RD); - /// \brief Get vtable name for the given Class. + /// Get vtable name for the given Class. StringRef getVTableName(const CXXRecordDecl *Decl); - /// \brief Get line number for the location. If location is invalid + /// Get line number for the location. If location is invalid /// then use current location. unsigned getLineNumber(SourceLocation Loc); - /// \brief Get column number for the location. If location is + /// Get column number for the location. If location is /// invalid then use current location. /// \param Force Assume DebugColumnInfo option is true. - unsigned getColumnNumber(SourceLocation Loc, bool Force=false); + unsigned getColumnNumber(SourceLocation Loc, bool Force = false); - /// \brief Collect various properties of a FunctionDecl. + /// Collect various properties of a FunctionDecl. /// \param GD A GlobalDecl whose getDecl() must return a FunctionDecl. void collectFunctionDeclProps(GlobalDecl GD, llvm::DIFile *Unit, StringRef &Name, StringRef &LinkageName, @@ -432,12 +427,12 @@ private: llvm::DINodeArray &TParamsArray, unsigned &Flags); - /// \brief Collect various properties of a VarDecl. + /// Collect various properties of a VarDecl. void collectVarDeclProps(const VarDecl *VD, llvm::DIFile *&Unit, unsigned &LineNo, QualType &T, StringRef &Name, StringRef &LinkageName, llvm::DIScope *&VDContext); - /// \brief Allocate a copy of \p A using the DebugInfoNames allocator + /// Allocate a copy of \p A using the DebugInfoNames allocator /// and return a reference to it. If multiple arguments are given the strings /// are concatenated. StringRef internString(StringRef A, StringRef B = StringRef()) { @@ -448,7 +443,7 @@ private: } }; -/// \brief A scoped helper to set the current debug location to the specified +/// A scoped helper to set the current debug location to the specified /// location or preferred location of the specified Expr. class ApplyDebugLocation { private: @@ -458,55 +453,56 @@ private: llvm::DebugLoc OriginalLocation; CodeGenFunction &CGF; -public: - /// \brief Set the location to the (valid) TemporaryLocation. +public: + /// Set the location to the (valid) TemporaryLocation. ApplyDebugLocation(CodeGenFunction &CGF, SourceLocation TemporaryLocation); ApplyDebugLocation(CodeGenFunction &CGF, const Expr *E); ApplyDebugLocation(CodeGenFunction &CGF, llvm::DebugLoc Loc); ~ApplyDebugLocation(); - /// \brief Apply TemporaryLocation if it is valid. Otherwise switch to an - /// artificial debug location that has a valid scope, but no line information. + /// \brief Apply TemporaryLocation if it is valid. Otherwise switch + /// to an artificial debug location that has a valid scope, but no + /// line information. /// - /// Artificial locations are useful when emitting compiler-generated helper - /// functions that have no source location associated with them. The DWARF - /// specification allows the compiler to use the special line number 0 to - /// indicate code that can not be attributed to any source location. Note that - /// passing an empty SourceLocation to CGDebugInfo::setLocation() will result - /// in the last valid location being reused. + /// Artificial locations are useful when emitting compiler-generated + /// helper functions that have no source location associated with + /// them. The DWARF specification allows the compiler to use the + /// special line number 0 to indicate code that can not be + /// attributed to any source location. Note that passing an empty + /// SourceLocation to CGDebugInfo::setLocation() will result in the + /// last valid location being reused. static ApplyDebugLocation CreateArtificial(CodeGenFunction &CGF) { return ApplyDebugLocation(CGF, false, SourceLocation()); } - /// \brief Apply TemporaryLocation if it is valid. Otherwise switch to an - /// artificial debug location that has a valid scope, but no line information. - static ApplyDebugLocation CreateDefaultArtificial(CodeGenFunction &CGF, - SourceLocation TemporaryLocation) { + /// \brief Apply TemporaryLocation if it is valid. Otherwise switch + /// to an artificial debug location that has a valid scope, but no + /// line information. + static ApplyDebugLocation + CreateDefaultArtificial(CodeGenFunction &CGF, + SourceLocation TemporaryLocation) { return ApplyDebugLocation(CGF, false, TemporaryLocation); } - /// \brief Set the IRBuilder to not attach debug locations. Note that passing - /// an empty SourceLocation to CGDebugInfo::setLocation() will result in the - /// last valid location being reused. Note that all instructions that do not - /// have a location at the beginning of a function are counted towards to - /// funciton prologue. + /// Set the IRBuilder to not attach debug locations. Note that + /// passing an empty SourceLocation to \a CGDebugInfo::setLocation() + /// will result in the last valid location being reused. Note that + /// all instructions that do not have a location at the beginning of + /// a function are counted towards to funciton prologue. static ApplyDebugLocation CreateEmpty(CodeGenFunction &CGF) { return ApplyDebugLocation(CGF, true, SourceLocation()); } /// \brief Apply TemporaryLocation if it is valid. Otherwise set the IRBuilder /// to not attach debug locations. - static ApplyDebugLocation CreateDefaultEmpty(CodeGenFunction &CGF, - SourceLocation TemporaryLocation) { + static ApplyDebugLocation + CreateDefaultEmpty(CodeGenFunction &CGF, SourceLocation TemporaryLocation) { return ApplyDebugLocation(CGF, true, TemporaryLocation); } - }; - } // namespace CodeGen } // namespace clang - #endif -- 2.40.0