/// \brief Maps from type identifier to the actual MDNode.
typedef DenseMap<const MDString *, MDNode *> DITypeIdentifierMap;
-class DIHeaderFieldIterator
- : public std::iterator<std::input_iterator_tag, StringRef, std::ptrdiff_t,
- const StringRef *, StringRef> {
- StringRef Header;
- StringRef Current;
-
-public:
- DIHeaderFieldIterator() {}
- explicit DIHeaderFieldIterator(StringRef Header)
- : Header(Header), Current(Header.slice(0, Header.find('\0'))) {}
- StringRef operator*() const { return Current; }
- const StringRef *operator->() const { return &Current; }
- DIHeaderFieldIterator &operator++() {
- increment();
- return *this;
- }
- DIHeaderFieldIterator operator++(int) {
- DIHeaderFieldIterator X(*this);
- increment();
- return X;
- }
- bool operator==(const DIHeaderFieldIterator &X) const {
- return Current.data() == X.Current.data();
- }
- bool operator!=(const DIHeaderFieldIterator &X) const {
- return !(*this == X);
- }
-
- StringRef getHeader() const { return Header; }
- StringRef getCurrent() const { return Current; }
- StringRef getPrefix() const {
- if (Current.begin() == Header.begin())
- return StringRef();
- return Header.slice(0, Current.begin() - Header.begin() - 1);
- }
- StringRef getSuffix() const {
- if (Current.end() == Header.end())
- return StringRef();
- return Header.slice(Current.end() - Header.begin() + 1, StringRef::npos);
- }
-
- /// \brief Get the current field as a number.
- ///
- /// Convert the current field into a number. Return \c 0 on error.
- template <class T> T getNumber() const {
- T Int;
- if (getCurrent().getAsInteger(0, Int))
- return 0;
- return Int;
- }
-
-private:
- void increment() {
- assert(Current.data() != nullptr && "Cannot increment past the end");
- StringRef Suffix = getSuffix();
- Current = Suffix.slice(0, Suffix.find('\0'));
- }
-};
-
/// \brief A thin wraper around MDNode to access encoded debug info.
///
/// This should not be stored in a container, because the underlying MDNode may
/// change in certain situations.
class DIDescriptor {
- // Befriends DIRef so DIRef can befriend the protected member
- // function: getFieldAs<DIRef>.
- template <typename T> friend class DIRef;
-
public:
/// \brief Duplicated debug info flags.
///
FlagAccessibility = DebugNode::FlagAccessibility
};
- static unsigned getFlag(StringRef Flag);
- static const char *getFlagString(unsigned Flag);
-
- /// \brief Split up a flags bitfield.
- ///
- /// Split \c Flags into \c SplitFlags, a vector of its components. Returns
- /// any remaining (unrecognized) bits.
- static unsigned splitFlags(unsigned Flags,
- SmallVectorImpl<unsigned> &SplitFlags);
-
protected:
const MDNode *DbgNode;
- StringRef getStringField(unsigned Elt) const;
- unsigned getUnsignedField(unsigned Elt) const {
- return (unsigned)getUInt64Field(Elt);
- }
- uint64_t getUInt64Field(unsigned Elt) const;
- int64_t getInt64Field(unsigned Elt) const;
- DIDescriptor getDescriptorField(unsigned Elt) const;
-
- template <typename DescTy> DescTy getFieldAs(unsigned Elt) const {
- return DescTy(getDescriptorField(Elt));
- }
-
- GlobalVariable *getGlobalVariableField(unsigned Elt) const;
- Constant *getConstantField(unsigned Elt) const;
- Function *getFunctionField(unsigned Elt) const;
-
public:
explicit DIDescriptor(const MDNode *N = nullptr) : DbgNode(N) {}
-
- bool Verify() const;
+ DIDescriptor(const DebugNode *N) : DbgNode(N) {}
MDNode *get() const { return const_cast<MDNode *>(DbgNode); }
operator MDNode *() const { return get(); }
bool operator==(DIDescriptor Other) const { return DbgNode == Other.DbgNode; }
bool operator!=(DIDescriptor Other) const { return !operator==(Other); }
- StringRef getHeader() const { return getStringField(0); }
-
- size_t getNumHeaderFields() const {
- return std::distance(DIHeaderFieldIterator(getHeader()),
- DIHeaderFieldIterator());
- }
-
- DIHeaderFieldIterator header_begin() const {
- return DIHeaderFieldIterator(getHeader());
- }
- DIHeaderFieldIterator header_end() const { return DIHeaderFieldIterator(); }
-
- DIHeaderFieldIterator getHeaderIterator(unsigned Index) const {
- // Since callers expect an empty string for out-of-range accesses, we can't
- // use std::advance() here.
- for (auto I = header_begin(), E = header_end(); I != E; ++I, --Index)
- if (!Index)
- return I;
- return header_end();
- }
-
- StringRef getHeaderField(unsigned Index) const {
- return *getHeaderIterator(Index);
- }
-
- template <class T> T getHeaderFieldAs(unsigned Index) const {
- return getHeaderIterator(Index).getNumber<T>();
- }
-
uint16_t getTag() const {
if (auto *N = dyn_cast_or_null<DebugNode>(get()))
return N->getTag();
return 0;
}
- bool isDerivedType() const { return get() && isa<MDDerivedTypeBase>(get()); }
- bool isCompositeType() const {
- return get() && isa<MDCompositeTypeBase>(get());
- }
- bool isSubroutineType() const {
- return get() && isa<MDSubroutineType>(get());
- }
- bool isBasicType() const { return get() && isa<MDBasicType>(get()); }
- bool isVariable() const { return get() && isa<MDLocalVariable>(get()); }
- bool isSubprogram() const { return get() && isa<MDSubprogram>(get()); }
- bool isGlobalVariable() const {
- return get() && isa<MDGlobalVariable>(get());
- }
- bool isScope() const { return get() && isa<MDScope>(get()); }
- bool isFile() const { return get() && isa<MDFile>(get()); }
- bool isCompileUnit() const { return get() && isa<MDCompileUnit>(get()); }
- bool isNameSpace() const{ return get() && isa<MDNamespace>(get()); }
- bool isLexicalBlockFile() const {
- return get() && isa<MDLexicalBlockFile>(get());
- }
- bool isLexicalBlock() const {
- return get() && isa<MDLexicalBlockBase>(get());
- }
- bool isSubrange() const { return get() && isa<MDSubrange>(get()); }
- bool isEnumerator() const { return get() && isa<MDEnumerator>(get()); }
- bool isType() const { return get() && isa<MDType>(get()); }
- bool isTemplateTypeParameter() const {
- return get() && isa<MDTemplateTypeParameter>(get());
- }
- bool isTemplateValueParameter() const {
- return get() && isa<MDTemplateValueParameter>(get());
- }
- bool isObjCProperty() const { return get() && isa<MDObjCProperty>(get()); }
- bool isImportedEntity() const {
- return get() && isa<MDImportedEntity>(get());
- }
- bool isExpression() const { return get() && isa<MDExpression>(get()); }
-
void print(raw_ostream &OS) const;
void dump() const;
void replaceAllUsesWith(MDNode *D);
};
+#define DECLARE_SIMPLIFY_DESCRIPTOR(DESC) \
+ class DESC; \
+ template <> struct simplify_type<const DESC>; \
+ template <> struct simplify_type<DESC>;
+DECLARE_SIMPLIFY_DESCRIPTOR(DIDescriptor)
+DECLARE_SIMPLIFY_DESCRIPTOR(DISubrange)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIEnumerator)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIScope)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIType)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIBasicType)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIDerivedType)
+DECLARE_SIMPLIFY_DESCRIPTOR(DICompositeType)
+DECLARE_SIMPLIFY_DESCRIPTOR(DISubroutineType)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIFile)
+DECLARE_SIMPLIFY_DESCRIPTOR(DICompileUnit)
+DECLARE_SIMPLIFY_DESCRIPTOR(DISubprogram)
+DECLARE_SIMPLIFY_DESCRIPTOR(DILexicalBlock)
+DECLARE_SIMPLIFY_DESCRIPTOR(DILexicalBlockFile)
+DECLARE_SIMPLIFY_DESCRIPTOR(DINameSpace)
+DECLARE_SIMPLIFY_DESCRIPTOR(DITemplateTypeParameter)
+DECLARE_SIMPLIFY_DESCRIPTOR(DITemplateValueParameter)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIGlobalVariable)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIVariable)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIExpression)
+DECLARE_SIMPLIFY_DESCRIPTOR(DILocation)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIObjCProperty)
+DECLARE_SIMPLIFY_DESCRIPTOR(DIImportedEntity)
+#undef DECLARE_SIMPLIFY_DESCRIPTOR
+
+typedef DebugNodeArray DIArray;
+typedef MDTypeRefArray DITypeArray;
+
/// \brief This is used to represent ranges, for array bounds.
class DISubrange : public DIDescriptor {
public:
- explicit DISubrange(const MDNode *N = nullptr) : DIDescriptor(N) {}
+ DISubrange() = default;
DISubrange(const MDSubrange *N) : DIDescriptor(N) {}
MDSubrange *get() const {
return *get();
}
- int64_t getLo() const { return get()->getLo(); }
+ int64_t getLo() const { return get()->getLowerBound(); }
int64_t getCount() const { return get()->getCount(); }
- bool Verify() const;
};
-/// \brief This descriptor holds an array of nodes with type T.
-template <typename T> class DITypedArray : public DIDescriptor {
-public:
- explicit DITypedArray(const MDNode *N = nullptr) : DIDescriptor(N) {}
- unsigned getNumElements() const {
- return DbgNode ? DbgNode->getNumOperands() : 0;
- }
- T getElement(unsigned Idx) const { return getFieldAs<T>(Idx); }
-};
-
-typedef DITypedArray<DIDescriptor> DIArray;
-
/// \brief A wrapper for an enumerator (e.g. X and Y in 'enum {X,Y}').
///
/// FIXME: it seems strange that this doesn't have either a reference to the
/// type/precision or a file/line pair for location info.
class DIEnumerator : public DIDescriptor {
public:
- explicit DIEnumerator(const MDNode *N = nullptr) : DIDescriptor(N) {}
+ DIEnumerator() = default;
DIEnumerator(const MDEnumerator *N) : DIDescriptor(N) {}
MDEnumerator *get() const {
StringRef getName() const { return get()->getName(); }
int64_t getEnumValue() const { return get()->getValue(); }
- bool Verify() const;
};
template <typename T> class DIRef;
typedef DIRef<DIDescriptor> DIDescriptorRef;
typedef DIRef<DIScope> DIScopeRef;
typedef DIRef<DIType> DITypeRef;
-typedef DITypedArray<DITypeRef> DITypeArray;
/// \brief A base class for various scopes.
///
/// (DICompileUnit, DISubprogram, etc.), but not for, e.g., a DIType.
class DIScope : public DIDescriptor {
public:
- explicit DIScope(const MDNode *N = nullptr) : DIDescriptor(N) {}
+ DIScope() = default;
DIScope(const MDScope *N) : DIDescriptor(N) {}
MDScope *get() const { return cast_or_null<MDScope>(DIDescriptor::get()); }
///
/// If the scope node has a name, return that, else return an empty string.
StringRef getName() const;
- StringRef getFilename() const;
- StringRef getDirectory() const;
+ StringRef getFilename() const { return get()->getFilename(); }
+ StringRef getDirectory() const { return get()->getDirectory(); }
/// \brief Generate a reference to this DIScope.
///
///
/// Abstracts over direct and identifier-based metadata references.
template <typename T> class DIRef {
- template <typename DescTy>
- friend DescTy DIDescriptor::getFieldAs(unsigned Elt) const;
- friend DIScopeRef DIScope::getContext() const;
- friend DIScopeRef DIScope::getRef() const;
- friend class DIType;
-
/// \brief Val can be either a MDNode or a MDString.
///
/// In the latter, MDString specifies the type identifier.
const Metadata *Val;
- explicit DIRef(const Metadata *V);
public:
+ template <class U>
+ DIRef(const TypedDebugNodeRef<U> &Ref,
+ typename std::enable_if<std::is_convertible<U *, T>::value>::type * =
+ nullptr)
+ : Val(Ref) {}
+
T resolve(const DITypeIdentifierMap &Map) const;
- StringRef getName() const;
operator Metadata *() const { return const_cast<Metadata *>(Val); }
-
- static DIRef get(const Metadata *MD) { return DIRef(MD); }
};
-template <typename T>
-T DIRef<T>::resolve(const DITypeIdentifierMap &Map) const {
- if (!Val)
- return T();
-
- if (const MDNode *MD = dyn_cast<MDNode>(Val))
- return T(MD);
-
- const MDString *MS = cast<MDString>(Val);
- // Find the corresponding MDNode.
- DITypeIdentifierMap::const_iterator Iter = Map.find(MS);
- assert(Iter != Map.end() && "Identifier not in the type map?");
- assert(DIDescriptor(Iter->second).isType() &&
- "MDNode in DITypeIdentifierMap should be a DIType.");
- return T(Iter->second);
-}
-
-template <typename T> StringRef DIRef<T>::getName() const {
- if (!Val)
- return StringRef();
-
- if (const MDNode *MD = dyn_cast<MDNode>(Val))
- return T(MD).getName();
-
- const MDString *MS = cast<MDString>(Val);
- return MS->getString();
-}
-
-/// \brief Handle fields that are references to DIDescriptors.
template <>
-DIDescriptorRef DIDescriptor::getFieldAs<DIDescriptorRef>(unsigned Elt) const;
-/// \brief Specialize DIRef constructor for DIDescriptorRef.
-template <> DIRef<DIDescriptor>::DIRef(const Metadata *V);
-
-/// \brief Handle fields that are references to DIScopes.
-template <> DIScopeRef DIDescriptor::getFieldAs<DIScopeRef>(unsigned Elt) const;
-/// \brief Specialize DIRef constructor for DIScopeRef.
-template <> DIRef<DIScope>::DIRef(const Metadata *V);
-
-/// \brief Handle fields that are references to DITypes.
-template <> DITypeRef DIDescriptor::getFieldAs<DITypeRef>(unsigned Elt) const;
-/// \brief Specialize DIRef constructor for DITypeRef.
-template <> DIRef<DIType>::DIRef(const Metadata *V);
+DIDescriptor DIRef<DIDescriptor>::resolve(const DITypeIdentifierMap &Map) const;
+template <>
+DIScope DIRef<DIScope>::resolve(const DITypeIdentifierMap &Map) const;
+template <> DIType DIRef<DIType>::resolve(const DITypeIdentifierMap &Map) const;
/// \brief This is a wrapper for a type.
///
/// others do not require a huge and empty descriptor full of zeros.
class DIType : public DIScope {
public:
- explicit DIType(const MDNode *N = nullptr) : DIScope(N) {}
+ DIType() = default;
DIType(const MDType *N) : DIScope(N) {}
MDType *get() const { return cast_or_null<MDType>(DIDescriptor::get()); }
return *get();
}
- operator DITypeRef() const {
- assert(isType() &&
- "constructing DITypeRef from an MDNode that is not a type");
- return DITypeRef(&*getRef());
- }
-
- bool Verify() const;
-
- DIScopeRef getContext() const { return DIScopeRef::get(get()->getScope()); }
+ DIScopeRef getContext() const { return get()->getScope(); }
StringRef getName() const { return get()->getName(); }
unsigned getLineNumber() const { return get()->getLine(); }
uint64_t getSizeInBits() const { return get()->getSizeInBits(); }
// carry this is just plain insane.
uint64_t getOffsetInBits() const { return get()->getOffsetInBits(); }
unsigned getFlags() const { return get()->getFlags(); }
- bool isPrivate() const {
- return (getFlags() & FlagAccessibility) == FlagPrivate;
- }
- bool isProtected() const {
- return (getFlags() & FlagAccessibility) == FlagProtected;
- }
- bool isPublic() const {
- return (getFlags() & FlagAccessibility) == FlagPublic;
- }
- bool isForwardDecl() const { return (getFlags() & FlagFwdDecl) != 0; }
- bool isAppleBlockExtension() const {
- return (getFlags() & FlagAppleBlock) != 0;
- }
- bool isBlockByrefStruct() const {
- return (getFlags() & FlagBlockByrefStruct) != 0;
- }
- bool isVirtual() const { return (getFlags() & FlagVirtual) != 0; }
- bool isArtificial() const { return (getFlags() & FlagArtificial) != 0; }
- bool isObjectPointer() const { return (getFlags() & FlagObjectPointer) != 0; }
- bool isObjcClassComplete() const {
- return (getFlags() & FlagObjcClassComplete) != 0;
- }
- bool isVector() const { return (getFlags() & FlagVector) != 0; }
- bool isStaticMember() const { return (getFlags() & FlagStaticMember) != 0; }
- bool isLValueReference() const {
- return (getFlags() & FlagLValueReference) != 0;
- }
- bool isRValueReference() const {
- return (getFlags() & FlagRValueReference) != 0;
- }
- bool isValid() const { return DbgNode && isType(); }
+
+ bool isPrivate() const { return get()->isPrivate(); }
+ bool isProtected() const { return get()->isProtected(); }
+ bool isPublic() const { return get()->isPublic(); }
+ bool isForwardDecl() const { return get()->isForwardDecl(); }
+ bool isAppleBlockExtension() const { return get()->isAppleBlockExtension(); }
+ bool isBlockByrefStruct() const { return get()->isBlockByrefStruct(); }
+ bool isVirtual() const { return get()->isVirtual(); }
+ bool isArtificial() const { return get()->isArtificial(); }
+ bool isObjectPointer() const { return get()->isObjectPointer(); }
+ bool isObjcClassComplete() const { return get()->isObjcClassComplete(); }
+ bool isVector() const { return get()->isVector(); }
+ bool isStaticMember() const { return get()->isStaticMember(); }
+ bool isLValueReference() const { return get()->isLValueReference(); }
+ bool isRValueReference() const { return get()->isRValueReference(); }
+
+ bool isValid() const { return DbgNode && isa<MDType>(*this); }
};
/// \brief A basic type, like 'int' or 'float'.
class DIBasicType : public DIType {
public:
- explicit DIBasicType(const MDNode *N = nullptr) : DIType(N) {}
+ DIBasicType() = default;
DIBasicType(const MDBasicType *N) : DIType(N) {}
MDBasicType *get() const {
}
unsigned getEncoding() const { return get()->getEncoding(); }
-
- bool Verify() const;
};
/// \brief A simple derived type
/// Or, a data member of a class/struct/union.
class DIDerivedType : public DIType {
public:
- explicit DIDerivedType(const MDNode *N = nullptr) : DIType(N) {}
+ DIDerivedType() = default;
DIDerivedType(const MDDerivedTypeBase *N) : DIType(N) {}
MDDerivedTypeBase *get() const {
return *get();
}
- DITypeRef getTypeDerivedFrom() const {
- return DITypeRef::get(get()->getBaseType());
- }
+ DITypeRef getTypeDerivedFrom() const { return get()->getBaseType(); }
/// \brief Return property node, if this ivar is associated with one.
MDNode *getObjCProperty() const {
DITypeRef getClassType() const {
assert(getTag() == dwarf::DW_TAG_ptr_to_member_type);
if (auto *N = dyn_cast<MDDerivedType>(get()))
- return DITypeRef::get(N->getExtraData());
- return DITypeRef::get(nullptr);
+ return MDTypeRef(N->getExtraData());
+ return MDTypeRef();
}
Constant *getConstant() const {
return nullptr;
}
-
- bool Verify() const;
};
/// \brief Types that refer to multiple other types.
class DICompositeType : public DIDerivedType {
friend class DIBuilder;
- /// \brief Set the array of member DITypes.
- void setArraysHelper(MDNode *Elements, MDNode *TParams);
-
public:
- explicit DICompositeType(const MDNode *N = nullptr) : DIDerivedType(N) {}
+ DICompositeType() = default;
DICompositeType(const MDCompositeTypeBase *N) : DIDerivedType(N) {}
MDCompositeTypeBase *get() const {
}
DIArray getElements() const {
- assert(!isSubroutineType() && "no elements for DISubroutineType");
+ assert(!isa<MDSubroutineType>(*this) && "no elements for DISubroutineType");
return DIArray(get()->getElements());
}
-private:
- template <typename T>
- void setArrays(DITypedArray<T> Elements, DIArray TParams = DIArray()) {
- assert(
- (!TParams || DbgNode->getNumOperands() == 8) &&
- "If you're setting the template parameters this should include a slot "
- "for that!");
- setArraysHelper(Elements, TParams);
- }
-
-public:
unsigned getRunTimeLang() const { return get()->getRuntimeLang(); }
- DITypeRef getContainingType() const {
- return DITypeRef::get(get()->getVTableHolder());
- }
-
-private:
- /// \brief Set the containing type.
- void setContainingType(DICompositeType ContainingType);
+ DITypeRef getContainingType() const { return get()->getVTableHolder(); }
-public:
- DIArray getTemplateParams() const {
- return DIArray(get()->getTemplateParams());
- }
+ DIArray getTemplateParams() const { return get()->getTemplateParams(); }
MDString *getIdentifier() const { return get()->getRawIdentifier(); }
-
- bool Verify() const;
};
class DISubroutineType : public DICompositeType {
public:
- explicit DISubroutineType(const MDNode *N = nullptr) : DICompositeType(N) {}
+ DISubroutineType() = default;
DISubroutineType(const MDSubroutineType *N) : DICompositeType(N) {}
MDSubroutineType *get() const {
return *get();
}
- DITypedArray<DITypeRef> getTypeArray() const {
- return DITypedArray<DITypeRef>(get()->getTypeArray());
- }
+ MDTypeRefArray getTypeArray() const { return get()->getTypeArray(); }
};
/// \brief This is a wrapper for a file.
class DIFile : public DIScope {
public:
- explicit DIFile(const MDNode *N = nullptr) : DIScope(N) {}
+ DIFile() = default;
DIFile(const MDFile *N) : DIScope(N) {}
MDFile *get() const { return cast_or_null<MDFile>(DIDescriptor::get()); }
/// \brief Retrieve the MDNode for the directory/file pair.
MDNode *getFileNode() const { return get(); }
- bool Verify() const;
};
/// \brief A wrapper for a compile unit.
class DICompileUnit : public DIScope {
public:
- explicit DICompileUnit(const MDNode *N = nullptr) : DIScope(N) {}
+ DICompileUnit() = default;
DICompileUnit(const MDCompileUnit *N) : DIScope(N) {}
MDCompileUnit *get() const {
return get()->getSplitDebugFilename();
}
unsigned getEmissionKind() const { return get()->getEmissionKind(); }
-
- bool Verify() const;
};
/// \brief This is a wrapper for a subprogram (e.g. a function).
class DISubprogram : public DIScope {
public:
- explicit DISubprogram(const MDNode *N = nullptr) : DIScope(N) {}
+ DISubprogram() = default;
DISubprogram(const MDSubprogram *N) : DIScope(N) {}
MDSubprogram *get() const {
/// \brief Get the beginning of the scope of the function (not the name).
unsigned getScopeLineNumber() const { return get()->getScopeLine(); }
- DIScopeRef getContext() const { return DIScopeRef::get(get()->getScope()); }
+ DIScopeRef getContext() const { return get()->getScope(); }
DISubroutineType getType() const {
return DISubroutineType(get()->getType());
}
- DITypeRef getContainingType() const {
- return DITypeRef::get(get()->getContainingType());
- }
-
- bool Verify() const;
+ DITypeRef getContainingType() const { return get()->getContainingType(); }
/// \brief Check if this provides debugging information for the function F.
bool describes(const Function *F);
DISubprogram getFunctionDeclaration() const {
return DISubprogram(get()->getDeclaration());
}
- MDNode *getVariablesNodes() const { return getVariables(); }
DIArray getVariables() const { return DIArray(get()->getVariables()); }
- unsigned isArtificial() const { return (getFlags() & FlagArtificial) != 0; }
- /// \brief Check for the "private" access specifier.
- bool isPrivate() const {
- return (getFlags() & FlagAccessibility) == FlagPrivate;
- }
- /// \brief Check for the "protected" access specifier.
- bool isProtected() const {
- return (getFlags() & FlagAccessibility) == FlagProtected;
- }
- /// \brief Check for the "public" access specifier.
- bool isPublic() const {
- return (getFlags() & FlagAccessibility) == FlagPublic;
- }
- /// \brief Check for "explicit".
- bool isExplicit() const { return (getFlags() & FlagExplicit) != 0; }
- /// \brief Check if this is prototyped.
- bool isPrototyped() const { return (getFlags() & FlagPrototyped) != 0; }
-
- /// \brief Check if this is reference-qualified.
- ///
- /// Return true if this subprogram is a C++11 reference-qualified non-static
- /// member function (void foo() &).
- unsigned isLValueReference() const {
- return (getFlags() & FlagLValueReference) != 0;
- }
-
- /// \brief Check if this is rvalue-reference-qualified.
- ///
- /// Return true if this subprogram is a C++11 rvalue-reference-qualified
- /// non-static member function (void foo() &&).
- unsigned isRValueReference() const {
- return (getFlags() & FlagRValueReference) != 0;
- }
+ unsigned isArtificial() const { return get()->isArtificial(); }
+ bool isPrivate() const { return get()->isPrivate(); }
+ bool isProtected() const { return get()->isProtected(); }
+ bool isPublic() const { return get()->isPublic(); }
+ bool isExplicit() const { return get()->isExplicit(); }
+ bool isPrototyped() const { return get()->isPrototyped(); }
+ unsigned isLValueReference() const { return get()->isLValueReference(); }
+ unsigned isRValueReference() const { return get()->isRValueReference(); }
};
/// \brief This is a wrapper for a lexical block.
class DILexicalBlock : public DIScope {
public:
- explicit DILexicalBlock(const MDNode *N = nullptr) : DIScope(N) {}
- DILexicalBlock(const MDLexicalBlock *N) : DIScope(N) {}
+ DILexicalBlock() = default;
+ DILexicalBlock(const MDLexicalBlockBase *N) : DIScope(N) {}
MDLexicalBlockBase *get() const {
return cast_or_null<MDLexicalBlockBase>(DIDescriptor::get());
return N->getColumn();
return 0;
}
- bool Verify() const;
};
/// \brief This is a wrapper for a lexical block with a filename change.
class DILexicalBlockFile : public DIScope {
public:
- explicit DILexicalBlockFile(const MDNode *N = nullptr) : DIScope(N) {}
+ DILexicalBlockFile() = default;
DILexicalBlockFile(const MDLexicalBlockFile *N) : DIScope(N) {}
MDLexicalBlockFile *get() const {
return *get();
}
- DIScope getContext() const { return getScope(); }
- unsigned getLineNumber() const { return getScope().getLineNumber(); }
- unsigned getColumnNumber() const { return getScope().getColumnNumber(); }
- DILexicalBlock getScope() const { return DILexicalBlock(get()->getScope()); }
+ DIScope getContext() const { return get()->getScope(); }
unsigned getDiscriminator() const { return get()->getDiscriminator(); }
- bool Verify() const;
};
/// \brief A wrapper for a C++ style name space.
class DINameSpace : public DIScope {
public:
- explicit DINameSpace(const MDNode *N = nullptr) : DIScope(N) {}
+ DINameSpace() = default;
DINameSpace(const MDNamespace *N) : DIScope(N) {}
MDNamespace *get() const {
StringRef getName() const { return get()->getName(); }
unsigned getLineNumber() const { return get()->getLine(); }
DIScope getContext() const { return DIScope(get()->getScope()); }
- bool Verify() const;
};
/// \brief This is a wrapper for template type parameter.
class DITemplateTypeParameter : public DIDescriptor {
public:
- explicit DITemplateTypeParameter(const MDNode *N = nullptr)
- : DIDescriptor(N) {}
+ DITemplateTypeParameter() = default;
DITemplateTypeParameter(const MDTemplateTypeParameter *N) : DIDescriptor(N) {}
MDTemplateTypeParameter *get() const {
}
StringRef getName() const { return get()->getName(); }
-
- DITypeRef getType() const { return DITypeRef::get(get()->getType()); }
- bool Verify() const;
+ DITypeRef getType() const { return get()->getType(); }
};
/// \brief This is a wrapper for template value parameter.
class DITemplateValueParameter : public DIDescriptor {
public:
- explicit DITemplateValueParameter(const MDNode *N = nullptr)
- : DIDescriptor(N) {}
+ DITemplateValueParameter() = default;
DITemplateValueParameter(const MDTemplateValueParameter *N)
: DIDescriptor(N) {}
}
StringRef getName() const { return get()->getName(); }
- DITypeRef getType() const { return DITypeRef::get(get()->getType()); }
+ DITypeRef getType() const { return get()->getType(); }
Metadata *getValue() const { return get()->getValue(); }
- bool Verify() const;
};
/// \brief This is a wrapper for a global variable.
DIFile getFile() const { return DIFile(get()->getFile()); }
public:
- explicit DIGlobalVariable(const MDNode *N = nullptr) : DIDescriptor(N) {}
+ DIGlobalVariable() = default;
DIGlobalVariable(const MDGlobalVariable *N) : DIDescriptor(N) {}
MDGlobalVariable *get() const {
unsigned isDefinition() const { return get()->isDefinition(); }
DIScope getContext() const { return DIScope(get()->getScope()); }
- StringRef getFilename() const { return getFile().getFilename(); }
- StringRef getDirectory() const { return getFile().getDirectory(); }
- DITypeRef getType() const { return DITypeRef::get(get()->getType()); }
+ StringRef getFilename() const { return get()->getFilename(); }
+ StringRef getDirectory() const { return get()->getDirectory(); }
+ DITypeRef getType() const { return get()->getType(); }
GlobalVariable *getGlobal() const;
Constant *getConstant() const {
DIDerivedType getStaticDataMemberDeclaration() const {
return DIDerivedType(get()->getStaticDataMemberDeclaration());
}
-
- bool Verify() const;
};
/// \brief This is a wrapper for a variable (e.g. parameter, local, global etc).
unsigned getFlags() const { return get()->getFlags(); }
public:
- explicit DIVariable(const MDNode *N = nullptr) : DIDescriptor(N) {}
+ DIVariable() = default;
DIVariable(const MDLocalVariable *N) : DIDescriptor(N) {}
MDLocalVariable *get() const {
DIScope getContext() const { return DIScope(get()->getScope()); }
DIFile getFile() const { return DIFile(get()->getFile()); }
- DITypeRef getType() const { return DITypeRef::get(get()->getType()); }
-
- /// \brief Return true if this variable is marked as "artificial".
- bool isArtificial() const {
- return (getFlags() & FlagArtificial) != 0;
- }
+ DITypeRef getType() const { return get()->getType(); }
- bool isObjectPointer() const {
- return (getFlags() & FlagObjectPointer) != 0;
- }
+ bool isArtificial() const { return get()->isArtificial(); }
+ bool isObjectPointer() const { return get()->isObjectPointer(); }
/// \brief If this variable is inlined then return inline location.
MDNode *getInlinedAt() const { return DIDescriptor(get()->getInlinedAt()); }
- bool Verify() const;
-
/// \brief Check if this is a "__block" variable (Apple Blocks).
bool isBlockByrefVariable(const DITypeIdentifierMap &Map) const {
return (getType().resolve(Map)).isBlockByrefStruct();
/// and have DW_OP_plus consume the topmost elements on the stack.
class DIExpression : public DIDescriptor {
public:
- explicit DIExpression(const MDNode *N = nullptr) : DIDescriptor(N) {}
+ DIExpression() = default;
DIExpression(const MDExpression *N) : DIDescriptor(N) {}
MDExpression *get() const {
return *get();
}
- // Don't call this. Call isValid() directly.
- bool Verify() const = delete;
-
- /// \brief Return the number of elements in the complex expression.
unsigned getNumElements() const { return get()->getNumElements(); }
-
- /// \brief return the Idx'th complex address element.
uint64_t getElement(unsigned I) const { return get()->getElement(I); }
-
- /// \brief Return whether this is a piece of an aggregate variable.
- bool isBitPiece() const;
- /// \brief Return the offset of this piece in bits.
- uint64_t getBitPieceOffset() const;
- /// \brief Return the size of this piece in bits.
- uint64_t getBitPieceSize() const;
-
- class iterator;
- /// \brief A lightweight wrapper around an element of a DIExpression.
- class Operand {
- friend class iterator;
- MDExpression::element_iterator I;
- Operand() {}
- Operand(MDExpression::element_iterator I) : I(I) {}
- public:
- /// \brief Operands such as DW_OP_piece have explicit (non-stack) arguments.
- /// Argument 0 is the operand itself.
- uint64_t getArg(unsigned N) const {
- MDExpression::element_iterator In = I;
- std::advance(In, N);
- return *In;
- }
- operator uint64_t () const { return *I; }
- /// \brief Returns underlying MDExpression::element_iterator.
- const MDExpression::element_iterator &getBase() const { return I; }
- /// \brief Returns the next operand.
- iterator getNext() const;
- };
-
- /// \brief An iterator for DIExpression elements.
- class iterator : public std::iterator<std::input_iterator_tag, StringRef,
- unsigned, const Operand*, Operand> {
- friend class Operand;
- MDExpression::element_iterator I;
- Operand Tmp;
-
- public:
- iterator(MDExpression::element_iterator I) : I(I) {}
- const Operand &operator*() { return Tmp = Operand(I); }
- const Operand *operator->() { return &(Tmp = Operand(I)); }
- iterator &operator++() {
- increment();
- return *this;
- }
- iterator operator++(int) {
- iterator X(*this);
- increment();
- return X;
- }
- bool operator==(const iterator &X) const { return I == X.I; }
- bool operator!=(const iterator &X) const { return !(*this == X); }
-
- private:
- void increment() {
- switch (**this) {
- case dwarf::DW_OP_bit_piece: std::advance(I, 3); break;
- case dwarf::DW_OP_plus: std::advance(I, 2); break;
- case dwarf::DW_OP_deref: std::advance(I, 1); break;
- default:
- llvm_unreachable("unsupported operand");
- }
- }
- };
-
- iterator begin() const { return get()->elements_begin(); }
- iterator end() const { return get()->elements_end(); }
+ bool isBitPiece() const { return get()->isBitPiece(); }
+ uint64_t getBitPieceOffset() const { return get()->getBitPieceOffset(); }
+ uint64_t getBitPieceSize() const { return get()->getBitPieceSize(); }
};
/// \brief This object holds location information.
/// This object is not associated with any DWARF tag.
class DILocation : public DIDescriptor {
public:
- explicit DILocation(const MDNode *N) : DIDescriptor(N) {}
+ DILocation() = default;
DILocation(const MDLocation *N) : DIDescriptor(N) {}
MDLocation *get() const {
DILocation getOrigLocation() const {
return DILocation(get()->getInlinedAt());
}
- StringRef getFilename() const { return getScope().getFilename(); }
- StringRef getDirectory() const { return getScope().getDirectory(); }
- bool Verify() const;
- bool atSameLineAs(const DILocation &Other) const {
- return (getLineNumber() == Other.getLineNumber() &&
- getFilename() == Other.getFilename());
- }
+ StringRef getFilename() const { return get()->getFilename(); }
+ StringRef getDirectory() const { return get()->getDirectory(); }
+
/// \brief Get the DWAF discriminator.
///
/// DWARF discriminators are used to distinguish identical file locations for
// Since discriminators are associated with lexical blocks, make
// sure this location is a lexical block before retrieving its
// value.
- return getScope().isLexicalBlockFile()
- ? DILexicalBlockFile(
- cast<MDNode>(cast<MDLocation>(DbgNode)->getScope()))
- .getDiscriminator()
- : 0;
+ if (auto *F = dyn_cast<MDLexicalBlockFile>(get()->getScope()))
+ return F->getDiscriminator();
+ return 0;
}
/// \brief Generate a new discriminator value for this location.
class DIObjCProperty : public DIDescriptor {
public:
- explicit DIObjCProperty(const MDNode *N) : DIDescriptor(N) {}
+ DIObjCProperty() = default;
DIObjCProperty(const MDObjCProperty *N) : DIDescriptor(N) {}
MDObjCProperty *get() const {
/// \note Objective-C doesn't have an ODR, so there is no benefit in storing
/// the type as a DITypeRef here.
DIType getType() const { return DIType(get()->getType()); }
-
- bool Verify() const;
};
/// \brief An imported module (C++ using directive or similar).
class DIImportedEntity : public DIDescriptor {
public:
DIImportedEntity() = default;
- explicit DIImportedEntity(const MDNode *N) : DIDescriptor(N) {}
DIImportedEntity(const MDImportedEntity *N) : DIDescriptor(N) {}
MDImportedEntity *get() const {
}
DIScope getContext() const { return DIScope(get()->getScope()); }
- DIDescriptorRef getEntity() const {
- return DIDescriptorRef::get(get()->getEntity());
- }
+ DIDescriptorRef getEntity() const { return get()->getEntity(); }
unsigned getLineNumber() const { return get()->getLine(); }
StringRef getName() const { return get()->getName(); }
- bool Verify() const;
};
+#define SIMPLIFY_DESCRIPTOR(DESC) \
+ template <> struct simplify_type<const DESC> { \
+ typedef Metadata *SimpleType; \
+ static SimpleType getSimplifiedValue(const DESC &DI) { return DI; } \
+ }; \
+ template <> struct simplify_type<DESC> : simplify_type<const DESC> {};
+SIMPLIFY_DESCRIPTOR(DIDescriptor)
+SIMPLIFY_DESCRIPTOR(DISubrange)
+SIMPLIFY_DESCRIPTOR(DIEnumerator)
+SIMPLIFY_DESCRIPTOR(DIScope)
+SIMPLIFY_DESCRIPTOR(DIType)
+SIMPLIFY_DESCRIPTOR(DIBasicType)
+SIMPLIFY_DESCRIPTOR(DIDerivedType)
+SIMPLIFY_DESCRIPTOR(DICompositeType)
+SIMPLIFY_DESCRIPTOR(DISubroutineType)
+SIMPLIFY_DESCRIPTOR(DIFile)
+SIMPLIFY_DESCRIPTOR(DICompileUnit)
+SIMPLIFY_DESCRIPTOR(DISubprogram)
+SIMPLIFY_DESCRIPTOR(DILexicalBlock)
+SIMPLIFY_DESCRIPTOR(DILexicalBlockFile)
+SIMPLIFY_DESCRIPTOR(DINameSpace)
+SIMPLIFY_DESCRIPTOR(DITemplateTypeParameter)
+SIMPLIFY_DESCRIPTOR(DITemplateValueParameter)
+SIMPLIFY_DESCRIPTOR(DIGlobalVariable)
+SIMPLIFY_DESCRIPTOR(DIVariable)
+SIMPLIFY_DESCRIPTOR(DIExpression)
+SIMPLIFY_DESCRIPTOR(DILocation)
+SIMPLIFY_DESCRIPTOR(DIObjCProperty)
+SIMPLIFY_DESCRIPTOR(DIImportedEntity)
+#undef SIMPLIFY_DESCRIPTOR
+
/// \brief Find subprogram that is enclosing this scope.
DISubprogram getDISubprogram(const MDNode *Scope);