#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/FoldingSet.h"
#include "llvm/Support/Allocator.h"
-#include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/Casting.h"
#include "llvm/Support/DataTypes.h"
#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/raw_ostream.h"
#include <map>
//===----------------------------------------------------------------------===//
class RecTy {
+public:
+ /// \brief Subclass discriminator (for dyn_cast<> et al.)
+ enum RecTyKind {
+ BitRecTyKind,
+ BitsRecTyKind,
+ IntRecTyKind,
+ StringRecTyKind,
+ ListRecTyKind,
+ DagRecTyKind,
+ RecordRecTyKind
+ };
+
+private:
+ RecTyKind Kind;
ListRecTy *ListTy;
virtual void anchor();
+
public:
- RecTy() : ListTy(0) {}
+ RecTyKind getRecTyKind() const { return Kind; }
+
+ RecTy(RecTyKind K) : Kind(K), ListTy(0) {}
virtual ~RecTy() {}
virtual std::string getAsString() const = 0;
///
class BitRecTy : public RecTy {
static BitRecTy Shared;
- BitRecTy() {}
+ BitRecTy() : RecTy(BitRecTyKind) {}
public:
+ static bool classof(const RecTy *RT) {
+ return RT->getRecTyKind() == BitRecTyKind;
+ }
+
static BitRecTy *get() { return &Shared; }
virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
///
class BitsRecTy : public RecTy {
unsigned Size;
- explicit BitsRecTy(unsigned Sz) : Size(Sz) {}
+ explicit BitsRecTy(unsigned Sz) : RecTy(BitsRecTyKind), Size(Sz) {}
public:
+ static bool classof(const RecTy *RT) {
+ return RT->getRecTyKind() == BitsRecTyKind;
+ }
+
static BitsRecTy *get(unsigned Sz);
unsigned getNumBits() const { return Size; }
///
class IntRecTy : public RecTy {
static IntRecTy Shared;
- IntRecTy() {}
+ IntRecTy() : RecTy(IntRecTyKind) {}
public:
+ static bool classof(const RecTy *RT) {
+ return RT->getRecTyKind() == IntRecTyKind;
+ }
+
static IntRecTy *get() { return &Shared; }
virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
///
class StringRecTy : public RecTy {
static StringRecTy Shared;
- StringRecTy() {}
+ StringRecTy() : RecTy(StringRecTyKind) {}
public:
+ static bool classof(const RecTy *RT) {
+ return RT->getRecTyKind() == StringRecTyKind;
+ }
+
static StringRecTy *get() { return &Shared; }
virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
///
class ListRecTy : public RecTy {
RecTy *Ty;
- explicit ListRecTy(RecTy *T) : Ty(T) {}
+ explicit ListRecTy(RecTy *T) : RecTy(ListRecTyKind), Ty(T) {}
friend ListRecTy *RecTy::getListTy();
public:
+ static bool classof(const RecTy *RT) {
+ return RT->getRecTyKind() == ListRecTyKind;
+ }
+
static ListRecTy *get(RecTy *T) { return T->getListTy(); }
RecTy *getElementType() const { return Ty; }
///
class DagRecTy : public RecTy {
static DagRecTy Shared;
- DagRecTy() {}
+ DagRecTy() : RecTy(DagRecTyKind) {}
public:
+ static bool classof(const RecTy *RT) {
+ return RT->getRecTyKind() == DagRecTyKind;
+ }
+
static DagRecTy *get() { return &Shared; }
virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
///
class RecordRecTy : public RecTy {
Record *Rec;
- explicit RecordRecTy(Record *R) : Rec(R) {}
+ explicit RecordRecTy(Record *R) : RecTy(RecordRecTyKind), Rec(R) {}
friend class Record;
public:
+ static bool classof(const RecTy *RT) {
+ return RT->getRecTyKind() == RecordRecTyKind;
+ }
+
static RecordRecTy *get(Record *R);
Record *getRecord() const { return Rec; }
//===----------------------------------------------------------------------===//
class Init {
- Init(const Init &); // Do not define.
- Init &operator=(const Init &); // Do not define.
+protected:
+ /// \brief Discriminator enum (for isa<>, dyn_cast<>, et al.)
+ ///
+ /// This enum is laid out by a preorder traversal of the inheritance
+ /// hierarchy, and does not contain an entry for abstract classes, as per
+ /// the recommendation in docs/HowToSetUpLLVMStyleRTTI.rst.
+ ///
+ /// We also explicitly include "first" and "last" values for each
+ /// interior node of the inheritance tree, to make it easier to read the
+ /// corresponding classof().
+ ///
+ /// We could pack these a bit tighter by not having the IK_FirstXXXInit
+ /// and IK_LastXXXInit be their own values, but that would degrade
+ /// readability for really no benefit.
+ enum InitKind {
+ IK_BitInit,
+ IK_BitsInit,
+ IK_FirstTypedInit,
+ IK_DagInit,
+ IK_DefInit,
+ IK_FieldInit,
+ IK_IntInit,
+ IK_ListInit,
+ IK_FirstOpInit,
+ IK_BinOpInit,
+ IK_TernOpInit,
+ IK_UnOpInit,
+ IK_LastOpInit,
+ IK_StringInit,
+ IK_VarInit,
+ IK_VarListElementInit,
+ IK_LastTypedInit,
+ IK_UnsetInit,
+ IK_VarBitInit
+ };
+
+private:
+ const InitKind Kind;
+ Init(const Init &) LLVM_DELETED_FUNCTION;
+ Init &operator=(const Init &) LLVM_DELETED_FUNCTION;
virtual void anchor();
+public:
+ InitKind getKind() const { return Kind; }
+
protected:
- Init(void) {}
+ explicit Init(InitKind K) : Kind(K) {}
public:
virtual ~Init() {}
class TypedInit : public Init {
RecTy *Ty;
- TypedInit(const TypedInit &Other); // Do not define.
- TypedInit &operator=(const TypedInit &Other); // Do not define.
+ TypedInit(const TypedInit &Other) LLVM_DELETED_FUNCTION;
+ TypedInit &operator=(const TypedInit &Other) LLVM_DELETED_FUNCTION;
protected:
- explicit TypedInit(RecTy *T) : Ty(T) {}
+ explicit TypedInit(InitKind K, RecTy *T) : Init(K), Ty(T) {}
public:
+ static bool classof(const Init *I) {
+ return I->getKind() >= IK_FirstTypedInit &&
+ I->getKind() <= IK_LastTypedInit;
+ }
RecTy *getType() const { return Ty; }
virtual Init *
/// UnsetInit - ? - Represents an uninitialized value
///
class UnsetInit : public Init {
- UnsetInit() : Init() {}
- UnsetInit(const UnsetInit &); // Do not define.
- UnsetInit &operator=(const UnsetInit &Other); // Do not define.
+ UnsetInit() : Init(IK_UnsetInit) {}
+ UnsetInit(const UnsetInit &) LLVM_DELETED_FUNCTION;
+ UnsetInit &operator=(const UnsetInit &Other) LLVM_DELETED_FUNCTION;
virtual void anchor();
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_UnsetInit;
+ }
static UnsetInit *get();
virtual Init *convertInitializerTo(RecTy *Ty) const {
class BitInit : public Init {
bool Value;
- explicit BitInit(bool V) : Value(V) {}
- BitInit(const BitInit &Other); // Do not define.
- BitInit &operator=(BitInit &Other); // Do not define.
+ explicit BitInit(bool V) : Init(IK_BitInit), Value(V) {}
+ BitInit(const BitInit &Other) LLVM_DELETED_FUNCTION;
+ BitInit &operator=(BitInit &Other) LLVM_DELETED_FUNCTION;
virtual void anchor();
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_BitInit;
+ }
static BitInit *get(bool V);
bool getValue() const { return Value; }
class BitsInit : public Init, public FoldingSetNode {
std::vector<Init*> Bits;
- BitsInit(ArrayRef<Init *> Range) : Bits(Range.begin(), Range.end()) {}
+ BitsInit(ArrayRef<Init *> Range)
+ : Init(IK_BitsInit), Bits(Range.begin(), Range.end()) {}
- BitsInit(const BitsInit &Other); // Do not define.
- BitsInit &operator=(const BitsInit &Other); // Do not define.
+ BitsInit(const BitsInit &Other) LLVM_DELETED_FUNCTION;
+ BitsInit &operator=(const BitsInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_BitsInit;
+ }
static BitsInit *get(ArrayRef<Init *> Range);
void Profile(FoldingSetNodeID &ID) const;
class IntInit : public TypedInit {
int64_t Value;
- explicit IntInit(int64_t V) : TypedInit(IntRecTy::get()), Value(V) {}
+ explicit IntInit(int64_t V)
+ : TypedInit(IK_IntInit, IntRecTy::get()), Value(V) {}
- IntInit(const IntInit &Other); // Do not define.
- IntInit &operator=(const IntInit &Other); // Do note define.
+ IntInit(const IntInit &Other) LLVM_DELETED_FUNCTION;
+ IntInit &operator=(const IntInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_IntInit;
+ }
static IntInit *get(int64_t V);
int64_t getValue() const { return Value; }
std::string Value;
explicit StringInit(const std::string &V)
- : TypedInit(StringRecTy::get()), Value(V) {}
+ : TypedInit(IK_StringInit, StringRecTy::get()), Value(V) {}
- StringInit(const StringInit &Other); // Do not define.
- StringInit &operator=(const StringInit &Other); // Do not define.
+ StringInit(const StringInit &Other) LLVM_DELETED_FUNCTION;
+ StringInit &operator=(const StringInit &Other) LLVM_DELETED_FUNCTION;
virtual void anchor();
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_StringInit;
+ }
static StringInit *get(StringRef);
const std::string &getValue() const { return Value; }
private:
explicit ListInit(ArrayRef<Init *> Range, RecTy *EltTy)
- : TypedInit(ListRecTy::get(EltTy)), Values(Range.begin(), Range.end()) {}
+ : TypedInit(IK_ListInit, ListRecTy::get(EltTy)),
+ Values(Range.begin(), Range.end()) {}
- ListInit(const ListInit &Other); // Do not define.
- ListInit &operator=(const ListInit &Other); // Do not define.
+ ListInit(const ListInit &Other) LLVM_DELETED_FUNCTION;
+ ListInit &operator=(const ListInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_ListInit;
+ }
static ListInit *get(ArrayRef<Init *> Range, RecTy *EltTy);
void Profile(FoldingSetNodeID &ID) const;
/// OpInit - Base class for operators
///
class OpInit : public TypedInit {
- OpInit(const OpInit &Other); // Do not define.
- OpInit &operator=(OpInit &Other); // Do not define.
+ OpInit(const OpInit &Other) LLVM_DELETED_FUNCTION;
+ OpInit &operator=(OpInit &Other) LLVM_DELETED_FUNCTION;
protected:
- explicit OpInit(RecTy *Type) : TypedInit(Type) {}
+ explicit OpInit(InitKind K, RecTy *Type) : TypedInit(K, Type) {}
public:
+ static bool classof(const Init *I) {
+ return I->getKind() >= IK_FirstOpInit &&
+ I->getKind() <= IK_LastOpInit;
+ }
// Clone - Clone this operator, replacing arguments with the new list
virtual OpInit *clone(std::vector<Init *> &Operands) const = 0;
Init *LHS;
UnOpInit(UnaryOp opc, Init *lhs, RecTy *Type)
- : OpInit(Type), Opc(opc), LHS(lhs) {}
+ : OpInit(IK_UnOpInit, Type), Opc(opc), LHS(lhs) {}
- UnOpInit(const UnOpInit &Other); // Do not define.
- UnOpInit &operator=(const UnOpInit &Other); // Do not define.
+ UnOpInit(const UnOpInit &Other) LLVM_DELETED_FUNCTION;
+ UnOpInit &operator=(const UnOpInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_UnOpInit;
+ }
static UnOpInit *get(UnaryOp opc, Init *lhs, RecTy *Type);
// Clone - Clone this operator, replacing arguments with the new list
Init *LHS, *RHS;
BinOpInit(BinaryOp opc, Init *lhs, Init *rhs, RecTy *Type) :
- OpInit(Type), Opc(opc), LHS(lhs), RHS(rhs) {}
+ OpInit(IK_BinOpInit, Type), Opc(opc), LHS(lhs), RHS(rhs) {}
- BinOpInit(const BinOpInit &Other); // Do not define.
- BinOpInit &operator=(const BinOpInit &Other); // Do not define.
+ BinOpInit(const BinOpInit &Other) LLVM_DELETED_FUNCTION;
+ BinOpInit &operator=(const BinOpInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_BinOpInit;
+ }
static BinOpInit *get(BinaryOp opc, Init *lhs, Init *rhs,
RecTy *Type);
TernOpInit(TernaryOp opc, Init *lhs, Init *mhs, Init *rhs,
RecTy *Type) :
- OpInit(Type), Opc(opc), LHS(lhs), MHS(mhs), RHS(rhs) {}
+ OpInit(IK_TernOpInit, Type), Opc(opc), LHS(lhs), MHS(mhs), RHS(rhs) {}
- TernOpInit(const TernOpInit &Other); // Do not define.
- TernOpInit &operator=(const TernOpInit &Other); // Do not define.
+ TernOpInit(const TernOpInit &Other) LLVM_DELETED_FUNCTION;
+ TernOpInit &operator=(const TernOpInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_TernOpInit;
+ }
static TernOpInit *get(TernaryOp opc, Init *lhs,
Init *mhs, Init *rhs,
RecTy *Type);
Init *VarName;
explicit VarInit(const std::string &VN, RecTy *T)
- : TypedInit(T), VarName(StringInit::get(VN)) {}
+ : TypedInit(IK_VarInit, T), VarName(StringInit::get(VN)) {}
explicit VarInit(Init *VN, RecTy *T)
- : TypedInit(T), VarName(VN) {}
+ : TypedInit(IK_VarInit, T), VarName(VN) {}
- VarInit(const VarInit &Other); // Do not define.
- VarInit &operator=(const VarInit &Other); // Do not define.
+ VarInit(const VarInit &Other) LLVM_DELETED_FUNCTION;
+ VarInit &operator=(const VarInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_VarInit;
+ }
static VarInit *get(const std::string &VN, RecTy *T);
static VarInit *get(Init *VN, RecTy *T);
TypedInit *TI;
unsigned Bit;
- VarBitInit(TypedInit *T, unsigned B) : TI(T), Bit(B) {
+ VarBitInit(TypedInit *T, unsigned B) : Init(IK_VarBitInit), TI(T), Bit(B) {
assert(T->getType() &&
- (dynamic_cast<IntRecTy*>(T->getType()) ||
- (dynamic_cast<BitsRecTy*>(T->getType()) &&
- dynamic_cast<BitsRecTy*>(T->getType())->getNumBits() > B)) &&
+ (isa<IntRecTy>(T->getType()) ||
+ (isa<BitsRecTy>(T->getType()) &&
+ cast<BitsRecTy>(T->getType())->getNumBits() > B)) &&
"Illegal VarBitInit expression!");
}
- VarBitInit(const VarBitInit &Other); // Do not define.
- VarBitInit &operator=(const VarBitInit &Other); // Do not define.
+ VarBitInit(const VarBitInit &Other) LLVM_DELETED_FUNCTION;
+ VarBitInit &operator=(const VarBitInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_VarBitInit;
+ }
static VarBitInit *get(TypedInit *T, unsigned B);
virtual Init *convertInitializerTo(RecTy *Ty) const {
unsigned Element;
VarListElementInit(TypedInit *T, unsigned E)
- : TypedInit(dynamic_cast<ListRecTy*>(T->getType())->getElementType()),
- TI(T), Element(E) {
- assert(T->getType() && dynamic_cast<ListRecTy*>(T->getType()) &&
+ : TypedInit(IK_VarListElementInit,
+ cast<ListRecTy>(T->getType())->getElementType()),
+ TI(T), Element(E) {
+ assert(T->getType() && isa<ListRecTy>(T->getType()) &&
"Illegal VarBitInit expression!");
}
- VarListElementInit(const VarListElementInit &Other); // Do not define.
- VarListElementInit &operator=(const VarListElementInit &Other); // Do
- // not
- // define.
+ VarListElementInit(const VarListElementInit &Other) LLVM_DELETED_FUNCTION;
+ void operator=(const VarListElementInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_VarListElementInit;
+ }
static VarListElementInit *get(TypedInit *T, unsigned E);
virtual Init *convertInitializerTo(RecTy *Ty) const {
class DefInit : public TypedInit {
Record *Def;
- DefInit(Record *D, RecordRecTy *T) : TypedInit(T), Def(D) {}
+ DefInit(Record *D, RecordRecTy *T) : TypedInit(IK_DefInit, T), Def(D) {}
friend class Record;
- DefInit(const DefInit &Other); // Do not define.
- DefInit &operator=(const DefInit &Other); // Do not define.
+ DefInit(const DefInit &Other) LLVM_DELETED_FUNCTION;
+ DefInit &operator=(const DefInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_DefInit;
+ }
static DefInit *get(Record*);
virtual Init *convertInitializerTo(RecTy *Ty) const {
std::string FieldName; // Field we are accessing
FieldInit(Init *R, const std::string &FN)
- : TypedInit(R->getFieldType(FN)), Rec(R), FieldName(FN) {
+ : TypedInit(IK_FieldInit, R->getFieldType(FN)), Rec(R), FieldName(FN) {
assert(getType() && "FieldInit with non-record type!");
}
- FieldInit(const FieldInit &Other); // Do not define.
- FieldInit &operator=(const FieldInit &Other); // Do not define.
+ FieldInit(const FieldInit &Other) LLVM_DELETED_FUNCTION;
+ FieldInit &operator=(const FieldInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_FieldInit;
+ }
static FieldInit *get(Init *R, const std::string &FN);
static FieldInit *get(Init *R, const Init *FN);
DagInit(Init *V, const std::string &VN,
ArrayRef<Init *> ArgRange,
ArrayRef<std::string> NameRange)
- : TypedInit(DagRecTy::get()), Val(V), ValName(VN),
+ : TypedInit(IK_DagInit, DagRecTy::get()), Val(V), ValName(VN),
Args(ArgRange.begin(), ArgRange.end()),
ArgNames(NameRange.begin(), NameRange.end()) {}
- DagInit(const DagInit &Other); // Do not define.
- DagInit &operator=(const DagInit &Other); // Do not define.
+ DagInit(const DagInit &Other) LLVM_DELETED_FUNCTION;
+ DagInit &operator=(const DagInit &Other) LLVM_DELETED_FUNCTION;
public:
+ static bool classof(const Init *I) {
+ return I->getKind() == IK_DagInit;
+ }
static DagInit *get(Init *V, const std::string &VN,
ArrayRef<Init *> ArgRange,
ArrayRef<std::string> NameRange);
TrackedRecords(records), TheInit(0) {
init();
}
+
+ // When copy-constructing a Record, we must still guarantee a globally unique
+ // ID number. All other fields can be copied normally.
+ Record(const Record &O) :
+ ID(LastID++), Name(O.Name), Locs(O.Locs), TemplateArgs(O.TemplateArgs),
+ Values(O.Values), SuperClasses(O.SuperClasses),
+ TrackedRecords(O.TrackedRecords), TheInit(O.TheInit) { }
+
~Record() {}
}
};
+/// LessRecordByID - Sorting predicate to sort record pointers by their
+/// unique ID. If you just need a deterministic order, use this, since it
+/// just compares two `unsigned`; the other sorting predicates require
+/// string manipulation.
+struct LessRecordByID {
+ bool operator()(const Record *LHS, const Record *RHS) const {
+ return LHS->getID() < RHS->getID();
+ }
+};
+
/// LessRecordFieldName - Sorting predicate to sort record pointers by their
/// name field.
///