#ifndef RECORD_H
#define RECORD_H
-#include "TGSourceMgr.h"
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/Support/Allocator.h"
+#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/raw_ostream.h"
#include <map>
-#include <ostream>
namespace llvm {
-
+class raw_ostream;
+
// RecTy subclasses.
class BitRecTy;
class BitsRecTy;
class RecordRecTy;
// Init subclasses.
-struct Init;
+class Init;
class UnsetInit;
class BitInit;
class BitsInit;
class Record;
class RecordVal;
struct MultiClass;
+class RecordKeeper;
//===----------------------------------------------------------------------===//
// Type Classes
//===----------------------------------------------------------------------===//
-struct RecTy {
+class RecTy {
+ ListRecTy *ListTy;
+public:
+ RecTy() : ListTy(0) {}
virtual ~RecTy() {}
virtual std::string getAsString() const = 0;
- void print(std::ostream &OS) const { OS << getAsString(); }
+ void print(raw_ostream &OS) const { OS << getAsString(); }
void dump() const;
/// typeIsConvertibleTo - Return true if all values of 'this' type can be
/// converted to the specified type.
virtual bool typeIsConvertibleTo(const RecTy *RHS) const = 0;
+ /// getListTy - Returns the type representing list<this>.
+ ListRecTy *getListTy();
+
public: // These methods should only be called from subclasses of Init
- virtual Init *convertValue( UnsetInit *UI) { return 0; }
- virtual Init *convertValue( BitInit *BI) { return 0; }
- virtual Init *convertValue( BitsInit *BI) { return 0; }
- virtual Init *convertValue( IntInit *II) { return 0; }
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( UnOpInit *UI) {
- return convertValue((TypedInit*)UI);
+ virtual const Init *convertValue( const UnsetInit *UI) { return 0; }
+ virtual const Init *convertValue( const BitInit *BI) { return 0; }
+ virtual const Init *convertValue( const BitsInit *BI) { return 0; }
+ virtual const Init *convertValue( const IntInit *II) { return 0; }
+ virtual const Init *convertValue(const StringInit *SI) { return 0; }
+ virtual const Init *convertValue( const ListInit *LI) { return 0; }
+ virtual const Init *convertValue( const UnOpInit *UI) {
+ return convertValue((const TypedInit*)UI);
}
- virtual Init *convertValue( BinOpInit *UI) {
- return convertValue((TypedInit*)UI);
+ virtual const Init *convertValue( const BinOpInit *UI) {
+ return convertValue((const TypedInit*)UI);
}
- virtual Init *convertValue( TernOpInit *UI) {
- return convertValue((TypedInit*)UI);
+ virtual const Init *convertValue( const TernOpInit *UI) {
+ return convertValue((const TypedInit*)UI);
}
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( TypedInit *TI) { return 0; }
- virtual Init *convertValue( VarInit *VI) {
- return convertValue((TypedInit*)VI);
+ virtual const Init *convertValue( const CodeInit *CI) { return 0; }
+ virtual const Init *convertValue(const VarBitInit *VB) { return 0; }
+ virtual const Init *convertValue( const DefInit *DI) { return 0; }
+ virtual const Init *convertValue( const DagInit *DI) { return 0; }
+ virtual const Init *convertValue( const TypedInit *TI) { return 0; }
+ virtual const Init *convertValue( const VarInit *VI) {
+ return convertValue((const TypedInit*)VI);
}
- virtual Init *convertValue( FieldInit *FI) {
- return convertValue((TypedInit*)FI);
+ virtual const Init *convertValue( const FieldInit *FI) {
+ return convertValue((const TypedInit*)FI);
}
public: // These methods should only be called by subclasses of RecTy.
virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
};
-inline std::ostream &operator<<(std::ostream &OS, const RecTy &Ty) {
+inline raw_ostream &operator<<(raw_ostream &OS, const RecTy &Ty) {
Ty.print(OS);
return OS;
}
/// BitRecTy - 'bit' - Represent a single bit
///
class BitRecTy : public RecTy {
+ static BitRecTy Shared;
+ BitRecTy() {}
public:
- virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
- virtual Init *convertValue( BitInit *BI) { return (Init*)BI; }
- virtual Init *convertValue( BitsInit *BI);
- virtual Init *convertValue( IntInit *II);
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return (Init*)VB; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TypedInit *TI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
+ static BitRecTy *get() { return &Shared; }
+
+ virtual const Init *convertValue( const UnsetInit *UI) { return (const Init*)UI; }
+ virtual const Init *convertValue( const BitInit *BI) { return (const Init*)BI; }
+ virtual const Init *convertValue( const BitsInit *BI);
+ virtual const Init *convertValue( const IntInit *II);
+ virtual const Init *convertValue(const StringInit *SI) { return 0; }
+ virtual const Init *convertValue( const ListInit *LI) { return 0; }
+ virtual const Init *convertValue( const CodeInit *CI) { return 0; }
+ virtual const Init *convertValue(const VarBitInit *VB) { return (const Init*)VB; }
+ virtual const Init *convertValue( const DefInit *DI) { return 0; }
+ virtual const Init *convertValue( const DagInit *DI) { return 0; }
+ virtual const Init *convertValue( const UnOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const BinOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const TernOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const TypedInit *TI);
+ virtual const Init *convertValue( const VarInit *VI) { return RecTy::convertValue(VI);}
+ virtual const Init *convertValue( const FieldInit *FI) { return RecTy::convertValue(FI);}
std::string getAsString() const { return "bit"; }
///
class BitsRecTy : public RecTy {
unsigned Size;
-public:
explicit BitsRecTy(unsigned Sz) : Size(Sz) {}
+public:
+ static BitsRecTy *get(unsigned Sz);
unsigned getNumBits() const { return Size; }
- virtual Init *convertValue( UnsetInit *UI);
- virtual Init *convertValue( BitInit *UI);
- virtual Init *convertValue( BitsInit *BI);
- virtual Init *convertValue( IntInit *II);
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TypedInit *TI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
+ virtual const Init *convertValue( const UnsetInit *UI);
+ virtual const Init *convertValue( const BitInit *UI);
+ virtual const Init *convertValue( const BitsInit *BI);
+ virtual const Init *convertValue( const IntInit *II);
+ virtual const Init *convertValue(const StringInit *SI) { return 0; }
+ virtual const Init *convertValue( const ListInit *LI) { return 0; }
+ virtual const Init *convertValue( const CodeInit *CI) { return 0; }
+ virtual const Init *convertValue(const VarBitInit *VB) { return 0; }
+ virtual const Init *convertValue( const DefInit *DI) { return 0; }
+ virtual const Init *convertValue( const DagInit *DI) { return 0; }
+ virtual const Init *convertValue( const UnOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const BinOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const TernOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const TypedInit *TI);
+ virtual const Init *convertValue( const VarInit *VI) { return RecTy::convertValue(VI);}
+ virtual const Init *convertValue( const FieldInit *FI) { return RecTy::convertValue(FI);}
std::string getAsString() const;
/// IntRecTy - 'int' - Represent an integer value of no particular size
///
class IntRecTy : public RecTy {
+ static IntRecTy Shared;
+ IntRecTy() {}
public:
- virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
- virtual Init *convertValue( BitInit *BI);
- virtual Init *convertValue( BitsInit *BI);
- virtual Init *convertValue( IntInit *II) { return (Init*)II; }
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TypedInit *TI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
+ static IntRecTy *get() { return &Shared; }
+
+ virtual const Init *convertValue( const UnsetInit *UI) { return (const Init*)UI; }
+ virtual const Init *convertValue( const BitInit *BI);
+ virtual const Init *convertValue( const BitsInit *BI);
+ virtual const Init *convertValue( const IntInit *II) { return (const Init*)II; }
+ virtual const Init *convertValue(const StringInit *SI) { return 0; }
+ virtual const Init *convertValue( const ListInit *LI) { return 0; }
+ virtual const Init *convertValue( const CodeInit *CI) { return 0; }
+ virtual const Init *convertValue(const VarBitInit *VB) { return 0; }
+ virtual const Init *convertValue( const DefInit *DI) { return 0; }
+ virtual const Init *convertValue( const DagInit *DI) { return 0; }
+ virtual const Init *convertValue( const UnOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const BinOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const TernOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const TypedInit *TI);
+ virtual const Init *convertValue( const VarInit *VI) { return RecTy::convertValue(VI);}
+ virtual const Init *convertValue( const FieldInit *FI) { return RecTy::convertValue(FI);}
std::string getAsString() const { return "int"; }
/// StringRecTy - 'string' - Represent an string value
///
class StringRecTy : public RecTy {
+ static StringRecTy Shared;
+ StringRecTy() {}
public:
- virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
- virtual Init *convertValue( BitInit *BI) { return 0; }
- virtual Init *convertValue( BitsInit *BI) { return 0; }
- virtual Init *convertValue( IntInit *II) { return 0; }
- virtual Init *convertValue(StringInit *SI) { return (Init*)SI; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( UnOpInit *BO);
- virtual Init *convertValue( BinOpInit *BO);
- virtual Init *convertValue( TernOpInit *BO) { return RecTy::convertValue(BO);}
-
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( TypedInit *TI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
+ static StringRecTy *get() { return &Shared; }
+
+ virtual const Init *convertValue( const UnsetInit *UI) { return (const Init*)UI; }
+ virtual const Init *convertValue( const BitInit *BI) { return 0; }
+ virtual const Init *convertValue( const BitsInit *BI) { return 0; }
+ virtual const Init *convertValue( const IntInit *II) { return 0; }
+ virtual const Init *convertValue(const StringInit *SI) { return (const Init*)SI; }
+ virtual const Init *convertValue( const ListInit *LI) { return 0; }
+ virtual const Init *convertValue( const UnOpInit *BO);
+ virtual const Init *convertValue( const BinOpInit *BO);
+ virtual const Init *convertValue( const TernOpInit *BO) { return RecTy::convertValue(BO);}
+
+ virtual const Init *convertValue( const CodeInit *CI) { return 0; }
+ virtual const Init *convertValue(const VarBitInit *VB) { return 0; }
+ virtual const Init *convertValue( const DefInit *DI) { return 0; }
+ virtual const Init *convertValue( const DagInit *DI) { return 0; }
+ virtual const Init *convertValue( const TypedInit *TI);
+ virtual const Init *convertValue( const VarInit *VI) { return RecTy::convertValue(VI);}
+ virtual const Init *convertValue( const FieldInit *FI) { return RecTy::convertValue(FI);}
std::string getAsString() const { return "string"; }
///
class ListRecTy : public RecTy {
RecTy *Ty;
-public:
explicit ListRecTy(RecTy *T) : Ty(T) {}
-
+ friend ListRecTy *RecTy::getListTy();
+public:
+ static ListRecTy *get(RecTy *T) { return T->getListTy(); }
RecTy *getElementType() const { return Ty; }
- virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
- virtual Init *convertValue( BitInit *BI) { return 0; }
- virtual Init *convertValue( BitsInit *BI) { return 0; }
- virtual Init *convertValue( IntInit *II) { return 0; }
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI);
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TypedInit *TI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
+ virtual const Init *convertValue( const UnsetInit *UI) { return (const Init*)UI; }
+ virtual const Init *convertValue( const BitInit *BI) { return 0; }
+ virtual const Init *convertValue( const BitsInit *BI) { return 0; }
+ virtual const Init *convertValue( const IntInit *II) { return 0; }
+ virtual const Init *convertValue(const StringInit *SI) { return 0; }
+ virtual const Init *convertValue( const ListInit *LI);
+ virtual const Init *convertValue( const CodeInit *CI) { return 0; }
+ virtual const Init *convertValue(const VarBitInit *VB) { return 0; }
+ virtual const Init *convertValue( const DefInit *DI) { return 0; }
+ virtual const Init *convertValue( const DagInit *DI) { return 0; }
+ virtual const Init *convertValue( const UnOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const BinOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const TernOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const TypedInit *TI);
+ virtual const Init *convertValue( const VarInit *VI) { return RecTy::convertValue(VI);}
+ virtual const Init *convertValue( const FieldInit *FI) { return RecTy::convertValue(FI);}
std::string getAsString() const;
/// CodeRecTy - 'code' - Represent an code fragment, function or method.
///
class CodeRecTy : public RecTy {
+ static CodeRecTy Shared;
+ CodeRecTy() {}
public:
- virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
- virtual Init *convertValue( BitInit *BI) { return 0; }
- virtual Init *convertValue( BitsInit *BI) { return 0; }
- virtual Init *convertValue( IntInit *II) { return 0; }
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( CodeInit *CI) { return (Init*)CI; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TypedInit *TI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
+ static CodeRecTy *get() { return &Shared; }
+
+ virtual const Init *convertValue( const UnsetInit *UI) { return (const Init*)UI; }
+ virtual const Init *convertValue( const BitInit *BI) { return 0; }
+ virtual const Init *convertValue( const BitsInit *BI) { return 0; }
+ virtual const Init *convertValue( const IntInit *II) { return 0; }
+ virtual const Init *convertValue(const StringInit *SI) { return 0; }
+ virtual const Init *convertValue( const ListInit *LI) { return 0; }
+ virtual const Init *convertValue( const CodeInit *CI) { return (const Init*)CI; }
+ virtual const Init *convertValue(const VarBitInit *VB) { return 0; }
+ virtual const Init *convertValue( const DefInit *DI) { return 0; }
+ virtual const Init *convertValue( const DagInit *DI) { return 0; }
+ virtual const Init *convertValue( const UnOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const BinOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const TernOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const TypedInit *TI);
+ virtual const Init *convertValue( const VarInit *VI) { return RecTy::convertValue(VI);}
+ virtual const Init *convertValue( const FieldInit *FI) { return RecTy::convertValue(FI);}
std::string getAsString() const { return "code"; }
/// DagRecTy - 'dag' - Represent a dag fragment
///
class DagRecTy : public RecTy {
+ static DagRecTy Shared;
+ DagRecTy() {}
public:
- virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
- virtual Init *convertValue( BitInit *BI) { return 0; }
- virtual Init *convertValue( BitsInit *BI) { return 0; }
- virtual Init *convertValue( IntInit *II) { return 0; }
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( UnOpInit *BO);
- virtual Init *convertValue( BinOpInit *BO);
- virtual Init *convertValue( TernOpInit *BO) { return RecTy::convertValue(BO);}
- virtual Init *convertValue( DagInit *CI) { return (Init*)CI; }
- virtual Init *convertValue( TypedInit *TI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
+ static DagRecTy *get() { return &Shared; }
+
+ virtual const Init *convertValue( const UnsetInit *UI) { return (const Init*)UI; }
+ virtual const Init *convertValue( const BitInit *BI) { return 0; }
+ virtual const Init *convertValue( const BitsInit *BI) { return 0; }
+ virtual const Init *convertValue( const IntInit *II) { return 0; }
+ virtual const Init *convertValue(const StringInit *SI) { return 0; }
+ virtual const Init *convertValue( const ListInit *LI) { return 0; }
+ virtual const Init *convertValue( const CodeInit *CI) { return 0; }
+ virtual const Init *convertValue(const VarBitInit *VB) { return 0; }
+ virtual const Init *convertValue( const DefInit *DI) { return 0; }
+ virtual const Init *convertValue( const UnOpInit *BO);
+ virtual const Init *convertValue( const BinOpInit *BO);
+ virtual const Init *convertValue( const TernOpInit *BO) { return RecTy::convertValue(BO);}
+ virtual const Init *convertValue( const DagInit *CI) { return (const Init*)CI; }
+ virtual const Init *convertValue( const TypedInit *TI);
+ virtual const Init *convertValue( const VarInit *VI) { return RecTy::convertValue(VI);}
+ virtual const Init *convertValue( const FieldInit *FI) { return RecTy::convertValue(FI);}
std::string getAsString() const { return "dag"; }
///
class RecordRecTy : public RecTy {
Record *Rec;
-public:
explicit RecordRecTy(Record *R) : Rec(R) {}
+ friend class Record;
+public:
+ static RecordRecTy *get(Record *R);
Record *getRecord() const { return Rec; }
- virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
- virtual Init *convertValue( BitInit *BI) { return 0; }
- virtual Init *convertValue( BitsInit *BI) { return 0; }
- virtual Init *convertValue( IntInit *II) { return 0; }
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( DefInit *DI);
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( TypedInit *VI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
+ virtual const Init *convertValue( const UnsetInit *UI) { return (const Init*)UI; }
+ virtual const Init *convertValue( const BitInit *BI) { return 0; }
+ virtual const Init *convertValue( const BitsInit *BI) { return 0; }
+ virtual const Init *convertValue( const IntInit *II) { return 0; }
+ virtual const Init *convertValue(const StringInit *SI) { return 0; }
+ virtual const Init *convertValue( const ListInit *LI) { return 0; }
+ virtual const Init *convertValue( const CodeInit *CI) { return 0; }
+ virtual const Init *convertValue(const VarBitInit *VB) { return 0; }
+ virtual const Init *convertValue( const UnOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const BinOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const TernOpInit *UI) { return RecTy::convertValue(UI);}
+ virtual const Init *convertValue( const DefInit *DI);
+ virtual const Init *convertValue( const DagInit *DI) { return 0; }
+ virtual const Init *convertValue( const TypedInit *VI);
+ virtual const Init *convertValue( const VarInit *VI) { return RecTy::convertValue(VI);}
+ virtual const Init *convertValue( const FieldInit *FI) { return RecTy::convertValue(FI);}
std::string getAsString() const;
virtual bool baseClassOf(const RecordRecTy *RHS) const;
};
-
+/// resolveTypes - Find a common type that T1 and T2 convert to.
+/// Return 0 if no such type exists.
+///
+RecTy *resolveTypes(RecTy *T1, RecTy *T2);
//===----------------------------------------------------------------------===//
// Initializer Classes
//===----------------------------------------------------------------------===//
-struct Init {
+class Init {
+ Init(const Init &); // Do not define.
+ Init &operator=(const Init &); // Do not define.
+
+protected:
+ Init(void) {}
+
+public:
virtual ~Init() {}
/// isComplete - This virtual method should be overridden by values that may
virtual bool isComplete() const { return true; }
/// print - Print out this value.
- void print(std::ostream &OS) const { OS << getAsString(); }
+ void print(raw_ostream &OS) const { OS << getAsString(); }
/// getAsString - Convert this value to a string form.
virtual std::string getAsString() const = 0;
/// dump - Debugging method that may be called through a debugger, just
- /// invokes print on cerr.
+ /// invokes print on stderr.
void dump() const;
/// convertInitializerTo - This virtual function is a simple call-back
/// function that should be overridden to call the appropriate
/// RecTy::convertValue method.
///
- virtual Init *convertInitializerTo(RecTy *Ty) = 0;
+ virtual const Init *convertInitializerTo(RecTy *Ty) const = 0;
/// convertInitializerBitRange - This method is used to implement the bitrange
/// selection operator. Given an initializer, it selects the specified bits
/// out, returning them as a new init of bits type. If it is not legal to use
/// the bit subscript operator on this initializer, return null.
///
- virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits) {
+ virtual const Init *
+ convertInitializerBitRange(const std::vector<unsigned> &Bits) const {
return 0;
}
/// elements, returning them as a new init of list type. If it is not legal
/// to take a slice of this, return null.
///
- virtual Init *convertInitListSlice(const std::vector<unsigned> &Elements) {
+ virtual const Init *
+ convertInitListSlice(const std::vector<unsigned> &Elements) const {
return 0;
}
/// initializer for the specified field. If getFieldType returns non-null
/// this method should return non-null, otherwise it returns null.
///
- virtual Init *getFieldInit(Record &R, const std::string &FieldName) const {
+ virtual const Init *getFieldInit(Record &R, const RecordVal *RV,
+ const std::string &FieldName) const {
return 0;
}
/// resolveReferences - This method is used by classes that refer to other
- /// variables which may not be defined at the time they expression is formed.
+ /// variables which may not be defined at the time the expression is formed.
/// If a value is set for the variable later, this method will be called on
/// users of the value to allow the value to propagate out.
///
- virtual Init *resolveReferences(Record &R, const RecordVal *RV) {
+ virtual const Init *resolveReferences(Record &R, const RecordVal *RV) const {
return this;
}
};
-inline std::ostream &operator<<(std::ostream &OS, const Init &I) {
+inline raw_ostream &operator<<(raw_ostream &OS, const Init &I) {
I.print(OS); return OS;
}
///
class TypedInit : public Init {
RecTy *Ty;
-public:
+
+ TypedInit(const TypedInit &Other); // Do not define.
+ TypedInit &operator=(const TypedInit &Other); // Do not define.
+
+protected:
explicit TypedInit(RecTy *T) : Ty(T) {}
+public:
RecTy *getType() const { return Ty; }
- virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
- virtual Init *convertInitListSlice(const std::vector<unsigned> &Elements);
+ virtual const Init *
+ convertInitializerBitRange(const std::vector<unsigned> &Bits) const;
+ virtual const Init *
+ convertInitListSlice(const std::vector<unsigned> &Elements) const;
+
+ /// getFieldType - This method is used to implement the FieldInit class.
+ /// Implementors of this method should return the type of the named field if
+ /// they are of record type.
+ ///
+ virtual RecTy *getFieldType(const std::string &FieldName) const;
/// resolveBitReference - This method is used to implement
/// VarBitInit::resolveReferences. If the bit is able to be resolved, we
/// simply return the resolved value, otherwise we return null.
///
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) = 0;
+ virtual const Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const = 0;
/// resolveListElementReference - This method is used to implement
/// VarListElementInit::resolveReferences. If the list element is resolvable
/// now, we return the resolved value, otherwise we return null.
- virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
- unsigned Elt) = 0;
+ virtual const Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const = 0;
};
/// 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.
+
public:
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ static const UnsetInit *get();
+
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
///
class BitInit : public Init {
bool Value;
-public:
+
explicit BitInit(bool V) : Value(V) {}
+ BitInit(const BitInit &Other); // Do not define.
+ BitInit &operator=(BitInit &Other); // Do not define.
+
+public:
+ static const BitInit *get(bool V);
bool getValue() const { return Value; }
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
/// It contains a vector of bits, whose size is determined by the type.
///
class BitsInit : public Init {
- std::vector<Init*> Bits;
+ std::vector<const Init*> Bits;
+
+ BitsInit(unsigned Size) : Bits(Size) {}
+
+ BitsInit(ArrayRef<const Init *> Range) : Bits(Range.begin(), Range.end()) {}
+
+ BitsInit(const BitsInit &Other); // Do not define.
+ BitsInit &operator=(const BitsInit &Other); // Do not define.
+
public:
- explicit BitsInit(unsigned Size) : Bits(Size) {}
+ static const BitsInit *get(ArrayRef<const Init *> Range);
unsigned getNumBits() const { return Bits.size(); }
- Init *getBit(unsigned Bit) const {
+ const Init *getBit(unsigned Bit) const {
assert(Bit < Bits.size() && "Bit index out of range!");
return Bits[Bit];
}
- void setBit(unsigned Bit, Init *V) {
- assert(Bit < Bits.size() && "Bit index out of range!");
- assert(Bits[Bit] == 0 && "Bit already set!");
- Bits[Bit] = V;
- }
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
- virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
+ virtual const Init *
+ convertInitializerBitRange(const std::vector<unsigned> &Bits) const;
virtual bool isComplete() const {
for (unsigned i = 0; i != getNumBits(); ++i)
if (!getBit(i)->isComplete()) return false;
return true;
}
+ bool allInComplete() const {
+ for (unsigned i = 0; i != getNumBits(); ++i)
+ if (getBit(i)->isComplete()) return false;
+ return true;
+ }
virtual std::string getAsString() const;
- virtual Init *resolveReferences(Record &R, const RecordVal *RV);
-
- // printXX - Print this bitstream with the specified format, returning true if
- // it is not possible.
- bool printInHex(std::ostream &OS) const;
- bool printAsVariable(std::ostream &OS) const;
- bool printAsUnset(std::ostream &OS) const;
+ virtual const Init *resolveReferences(Record &R, const RecordVal *RV) const;
};
/// IntInit - 7 - Represent an initalization by a literal integer value.
///
-class IntInit : public Init {
+class IntInit : public TypedInit {
int64_t Value;
+
+ explicit IntInit(int64_t V) : TypedInit(IntRecTy::get()), Value(V) {}
+
+ IntInit(const IntInit &Other); // Do not define.
+ IntInit &operator=(const IntInit &Other); // Do note define.
+
public:
- explicit IntInit(int64_t V) : Value(V) {}
+ static const IntInit *get(int64_t V);
int64_t getValue() const { return Value; }
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
- virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
+ virtual const Init *
+ convertInitializerBitRange(const std::vector<unsigned> &Bits) const;
virtual std::string getAsString() const;
+
+ /// resolveBitReference - This method is used to implement
+ /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
+ /// simply return the resolved value, otherwise we return null.
+ ///
+ virtual const Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const {
+ assert(0 && "Illegal bit reference off int");
+ return 0;
+ }
+
+ /// resolveListElementReference - This method is used to implement
+ /// VarListElementInit::resolveReferences. If the list element is resolvable
+ /// now, we return the resolved value, otherwise we return null.
+ virtual const Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const {
+ assert(0 && "Illegal element reference off int");
+ return 0;
+ }
};
///
class StringInit : public TypedInit {
std::string Value;
-public:
+
explicit StringInit(const std::string &V)
- : TypedInit(new StringRecTy), Value(V) {}
+ : TypedInit(StringRecTy::get()), Value(V) {}
+
+ StringInit(const StringInit &Other); // Do not define.
+ StringInit &operator=(const StringInit &Other); // Do not define.
+
+public:
+ static const StringInit *get(const std::string &V);
const std::string &getValue() const { return Value; }
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
/// VarBitInit::resolveReferences. If the bit is able to be resolved, we
/// simply return the resolved value, otherwise we return null.
///
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) {
+ virtual const Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const {
assert(0 && "Illegal bit reference off string");
return 0;
}
/// resolveListElementReference - This method is used to implement
/// VarListElementInit::resolveReferences. If the list element is resolvable
/// now, we return the resolved value, otherwise we return null.
- virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
- unsigned Elt) {
+ virtual const Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const {
assert(0 && "Illegal element reference off string");
return 0;
}
///
class CodeInit : public Init {
std::string Value;
-public:
+
explicit CodeInit(const std::string &V) : Value(V) {}
- const std::string getValue() const { return Value; }
+ CodeInit(const CodeInit &Other); // Do not define.
+ CodeInit &operator=(const CodeInit &Other); // Do not define.
- virtual Init *convertInitializerTo(RecTy *Ty) {
+public:
+ static const CodeInit *get(const std::string &V);
+
+ const std::string &getValue() const { return Value; }
+
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
/// ListInit - [AL, AH, CL] - Represent a list of defs
///
-class ListInit : public Init {
- std::vector<Init*> Values;
+class ListInit : public TypedInit {
+ std::vector<const Init*> Values;
public:
- typedef std::vector<Init*>::iterator iterator;
- typedef std::vector<Init*>::const_iterator const_iterator;
+ typedef std::vector<const Init*>::const_iterator const_iterator;
- explicit ListInit(std::vector<Init*> &Vs) {
+ explicit ListInit(std::vector<const Init*> &Vs, RecTy *EltTy)
+ : TypedInit(ListRecTy::get(EltTy)) {
Values.swap(Vs);
}
- explicit ListInit(iterator Start, iterator End)
- : Values(Start, End) {}
+ explicit ListInit(ArrayRef<const Init *> Range, RecTy *EltTy)
+ : TypedInit(ListRecTy::get(EltTy)), Values(Range.begin(), Range.end()) {}
+
+ ListInit(const ListInit &Other); // Do not define.
+ ListInit &operator=(const ListInit &Other); // Do not define.
+
+public:
+ static const ListInit *get(ArrayRef<const Init *> Range, RecTy *EltTy);
unsigned getSize() const { return Values.size(); }
- Init *getElement(unsigned i) const {
+ const Init *getElement(unsigned i) const {
assert(i < Values.size() && "List element index out of range!");
return Values[i];
}
Record *getElementAsRecord(unsigned i) const;
-
- Init *convertInitListSlice(const std::vector<unsigned> &Elements);
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ const Init *convertInitListSlice(const std::vector<unsigned> &Elements) const;
+
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
/// If a value is set for the variable later, this method will be called on
/// users of the value to allow the value to propagate out.
///
- virtual Init *resolveReferences(Record &R, const RecordVal *RV);
+ virtual const Init *resolveReferences(Record &R, const RecordVal *RV) const;
virtual std::string getAsString() const;
- inline iterator begin() { return Values.begin(); }
+ ArrayRef<const Init*> getValues() const { return Values; }
+
inline const_iterator begin() const { return Values.begin(); }
- inline iterator end () { return Values.end(); }
inline const_iterator end () const { return Values.end(); }
inline size_t size () const { return Values.size(); }
inline bool empty() const { return Values.empty(); }
+
+ /// resolveBitReference - This method is used to implement
+ /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
+ /// simply return the resolved value, otherwise we return null.
+ ///
+ virtual const Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const {
+ assert(0 && "Illegal bit reference off list");
+ return 0;
+ }
+
+ /// resolveListElementReference - This method is used to implement
+ /// VarListElementInit::resolveReferences. If the list element is resolvable
+ /// now, we return the resolved value, otherwise we return null.
+ virtual const Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const;
};
/// OpInit - Base class for operators
///
class OpInit : public TypedInit {
-public:
- OpInit(RecTy *Type) : TypedInit(Type) {}
+ OpInit(const OpInit &Other); // Do not define.
+ OpInit &operator=(OpInit &Other); // Do not define.
+
+protected:
+ explicit OpInit(RecTy *Type) : TypedInit(Type) {}
+public:
// Clone - Clone this operator, replacing arguments with the new list
- virtual OpInit *clone(std::vector<Init *> &Operands) = 0;
+ virtual const OpInit *clone(std::vector<const Init *> &Operands) const = 0;
- virtual int getNumOperands(void) const = 0;
- virtual Init *getOperand(int i) = 0;
+ virtual int getNumOperands() const = 0;
+ virtual const Init *getOperand(int i) const = 0;
// Fold - If possible, fold this to a simpler init. Return this if not
// possible to fold.
- virtual Init *Fold(Record *CurRec, MultiClass *CurMultiClass) = 0;
+ virtual const Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const = 0;
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
-
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit);
- virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
- unsigned Elt);
+
+ virtual const Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const;
+ virtual const Init *resolveListElementReference(Record &R,
+ const RecordVal *RV,
+ unsigned Elt) const;
};
///
class UnOpInit : public OpInit {
public:
- enum UnaryOp { CAST, CAR, CDR, LNULL };
+ enum UnaryOp { CAST, HEAD, TAIL, EMPTY };
private:
UnaryOp Opc;
- Init *LHS;
+ const Init *LHS;
+
+ UnOpInit(UnaryOp opc, const Init *lhs, RecTy *Type)
+ : OpInit(Type), Opc(opc), LHS(lhs) {}
+
+ UnOpInit(const UnOpInit &Other); // Do not define.
+ UnOpInit &operator=(const UnOpInit &Other); // Do not define.
+
public:
- UnOpInit(UnaryOp opc, Init *lhs, RecTy *Type) :
- OpInit(Type), Opc(opc), LHS(lhs) {
- }
+ static const UnOpInit *get(UnaryOp opc, const Init *lhs, RecTy *Type);
// Clone - Clone this operator, replacing arguments with the new list
- virtual OpInit *clone(std::vector<Init *> &Operands) {
+ virtual const OpInit *clone(std::vector<const Init *> &Operands) const {
assert(Operands.size() == 1 &&
"Wrong number of operands for unary operation");
- return new UnOpInit(getOpcode(), *Operands.begin(), getType());
+ return UnOpInit::get(getOpcode(), *Operands.begin(), getType());
}
- int getNumOperands(void) const { return 1; }
- Init *getOperand(int i) {
+ int getNumOperands() const { return 1; }
+ const Init *getOperand(int i) const {
assert(i == 0 && "Invalid operand id for unary operator");
return getOperand();
}
-
+
UnaryOp getOpcode() const { return Opc; }
- Init *getOperand() const { return LHS; }
+ const Init *getOperand() const { return LHS; }
// Fold - If possible, fold this to a simpler init. Return this if not
// possible to fold.
- Init *Fold(Record *CurRec, MultiClass *CurMultiClass);
+ const Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const;
+
+ virtual const Init *resolveReferences(Record &R, const RecordVal *RV) const;
- virtual Init *resolveReferences(Record &R, const RecordVal *RV);
-
virtual std::string getAsString() const;
};
///
class BinOpInit : public OpInit {
public:
- enum BinaryOp { SHL, SRA, SRL, STRCONCAT, CONCAT, NAMECONCAT };
+ enum BinaryOp { SHL, SRA, SRL, STRCONCAT, CONCAT, EQ };
private:
BinaryOp Opc;
- Init *LHS, *RHS;
+ const Init *LHS, *RHS;
+
+ BinOpInit(BinaryOp opc, const Init *lhs, const Init *rhs, RecTy *Type) :
+ OpInit(Type), Opc(opc), LHS(lhs), RHS(rhs) {}
+
+ BinOpInit(const BinOpInit &Other); // Do not define.
+ BinOpInit &operator=(const BinOpInit &Other); // Do not define.
+
public:
- BinOpInit(BinaryOp opc, Init *lhs, Init *rhs, RecTy *Type) :
- OpInit(Type), Opc(opc), LHS(lhs), RHS(rhs) {
- }
-
+ static const BinOpInit *get(BinaryOp opc, const Init *lhs, const Init *rhs,
+ RecTy *Type);
+
// Clone - Clone this operator, replacing arguments with the new list
- virtual OpInit *clone(std::vector<Init *> &Operands) {
+ virtual const OpInit *clone(std::vector<const Init *> &Operands) const {
assert(Operands.size() == 2 &&
"Wrong number of operands for binary operation");
- return new BinOpInit(getOpcode(), Operands[0], Operands[1], getType());
+ return BinOpInit::get(getOpcode(), Operands[0], Operands[1], getType());
}
- int getNumOperands(void) const { return 2; }
- Init *getOperand(int i) {
+ int getNumOperands() const { return 2; }
+ const Init *getOperand(int i) const {
assert((i == 0 || i == 1) && "Invalid operand id for binary operator");
if (i == 0) {
return getLHS();
- }
- else {
+ } else {
return getRHS();
}
}
BinaryOp getOpcode() const { return Opc; }
- Init *getLHS() const { return LHS; }
- Init *getRHS() const { return RHS; }
+ const Init *getLHS() const { return LHS; }
+ const Init *getRHS() const { return RHS; }
// Fold - If possible, fold this to a simpler init. Return this if not
// possible to fold.
- Init *Fold(Record *CurRec, MultiClass *CurMultiClass);
+ const Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const;
+
+ virtual const Init *resolveReferences(Record &R, const RecordVal *RV) const;
- virtual Init *resolveReferences(Record &R, const RecordVal *RV);
-
virtual std::string getAsString() const;
};
enum TernaryOp { SUBST, FOREACH, IF };
private:
TernaryOp Opc;
- Init *LHS, *MHS, *RHS;
+ const Init *LHS, *MHS, *RHS;
+
+ TernOpInit(TernaryOp opc, const Init *lhs, const Init *mhs, const Init *rhs,
+ RecTy *Type) :
+ OpInit(Type), Opc(opc), LHS(lhs), MHS(mhs), RHS(rhs) {}
+
+ TernOpInit(const TernOpInit &Other); // Do not define.
+ TernOpInit &operator=(const TernOpInit &Other); // Do not define.
+
public:
- TernOpInit(TernaryOp opc, Init *lhs, Init *mhs, Init *rhs, RecTy *Type) :
- OpInit(Type), Opc(opc), LHS(lhs), MHS(mhs), RHS(rhs) {
- }
-
+ static const TernOpInit *get(TernaryOp opc, const Init *lhs,
+ const Init *mhs, const Init *rhs,
+ RecTy *Type);
+
// Clone - Clone this operator, replacing arguments with the new list
- virtual OpInit *clone(std::vector<Init *> &Operands) {
+ virtual const OpInit *clone(std::vector<const Init *> &Operands) const {
assert(Operands.size() == 3 &&
"Wrong number of operands for ternary operation");
- return new TernOpInit(getOpcode(), Operands[0], Operands[1], Operands[2],
- getType());
+ return TernOpInit::get(getOpcode(), Operands[0], Operands[1], Operands[2],
+ getType());
}
- int getNumOperands(void) const { return 3; }
- Init *getOperand(int i) {
+ int getNumOperands() const { return 3; }
+ const Init *getOperand(int i) const {
assert((i == 0 || i == 1 || i == 2) &&
"Invalid operand id for ternary operator");
if (i == 0) {
return getLHS();
- }
- else if (i == 1) {
+ } else if (i == 1) {
return getMHS();
- }
- else {
+ } else {
return getRHS();
}
}
TernaryOp getOpcode() const { return Opc; }
- Init *getLHS() const { return LHS; }
- Init *getMHS() const { return MHS; }
- Init *getRHS() const { return RHS; }
+ const Init *getLHS() const { return LHS; }
+ const Init *getMHS() const { return MHS; }
+ const Init *getRHS() const { return RHS; }
// Fold - If possible, fold this to a simpler init. Return this if not
// possible to fold.
- Init *Fold(Record *CurRec, MultiClass *CurMultiClass);
-
- virtual Init *resolveReferences(Record &R, const RecordVal *RV);
-
+ const Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const;
+
+ virtual bool isComplete() const { return false; }
+
+ virtual const Init *resolveReferences(Record &R, const RecordVal *RV) const;
+
virtual std::string getAsString() const;
};
///
class VarInit : public TypedInit {
std::string VarName;
-public:
+
explicit VarInit(const std::string &VN, RecTy *T)
- : TypedInit(T), VarName(VN) {}
+ : TypedInit(T), VarName(VN) {}
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ VarInit(const VarInit &Other); // Do not define.
+ VarInit &operator=(const VarInit &Other); // Do not define.
+
+public:
+ static const VarInit *get(const std::string &VN, RecTy *T);
+ static const VarInit *get(const Init *VN, RecTy *T);
+
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
const std::string &getName() const { return VarName; }
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit);
- virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
- unsigned Elt);
+ virtual const Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const;
+ virtual const Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const;
virtual RecTy *getFieldType(const std::string &FieldName) const;
- virtual Init *getFieldInit(Record &R, const std::string &FieldName) const;
+ virtual const Init *getFieldInit(Record &R, const RecordVal *RV,
+ const std::string &FieldName) const;
/// resolveReferences - This method is used by classes that refer to other
/// variables which may not be defined at the time they expression is formed.
/// If a value is set for the variable later, this method will be called on
/// users of the value to allow the value to propagate out.
///
- virtual Init *resolveReferences(Record &R, const RecordVal *RV);
+ virtual const Init *resolveReferences(Record &R, const RecordVal *RV) const;
virtual std::string getAsString() const { return VarName; }
};
/// VarBitInit - Opcode{0} - Represent access to one bit of a variable or field.
///
class VarBitInit : public Init {
- TypedInit *TI;
+ const TypedInit *TI;
unsigned Bit;
-public:
- VarBitInit(TypedInit *T, unsigned B) : TI(T), Bit(B) {
+
+ VarBitInit(const TypedInit *T, unsigned B) : TI(T), Bit(B) {
assert(T->getType() && dynamic_cast<BitsRecTy*>(T->getType()) &&
((BitsRecTy*)T->getType())->getNumBits() > B &&
"Illegal VarBitInit expression!");
}
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ VarBitInit(const VarBitInit &Other); // Do not define.
+ VarBitInit &operator=(const VarBitInit &Other); // Do not define.
+
+public:
+ static const VarBitInit *get(const TypedInit *T, unsigned B);
+
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
- TypedInit *getVariable() const { return TI; }
+ const TypedInit *getVariable() const { return TI; }
unsigned getBitNum() const { return Bit; }
virtual std::string getAsString() const;
- virtual Init *resolveReferences(Record &R, const RecordVal *RV);
+ virtual const Init *resolveReferences(Record &R, const RecordVal *RV) const;
};
/// VarListElementInit - List[4] - Represent access to one element of a var or
/// field.
class VarListElementInit : public TypedInit {
- TypedInit *TI;
+ const TypedInit *TI;
unsigned Element;
-public:
- VarListElementInit(TypedInit *T, unsigned E)
- : TypedInit(dynamic_cast<ListRecTy*>(T->getType())->getElementType()),
- TI(T), Element(E) {
+
+ VarListElementInit(const TypedInit *T, unsigned E)
+ : TypedInit(dynamic_cast<ListRecTy*>(T->getType())->getElementType()),
+ TI(T), Element(E) {
assert(T->getType() && dynamic_cast<ListRecTy*>(T->getType()) &&
"Illegal VarBitInit expression!");
}
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ VarListElementInit(const VarListElementInit &Other); // Do not define.
+ VarListElementInit &operator=(const VarListElementInit &Other); // Do
+ // not
+ // define.
+
+public:
+ static const VarListElementInit *get(const TypedInit *T, unsigned E);
+
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
- TypedInit *getVariable() const { return TI; }
+ const TypedInit *getVariable() const { return TI; }
unsigned getElementNum() const { return Element; }
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit);
+ virtual const Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const;
/// resolveListElementReference - This method is used to implement
/// VarListElementInit::resolveReferences. If the list element is resolvable
/// now, we return the resolved value, otherwise we return null.
- virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
- unsigned Elt);
+ virtual const Init *resolveListElementReference(Record &R,
+ const RecordVal *RV,
+ unsigned Elt) const;
virtual std::string getAsString() const;
- virtual Init *resolveReferences(Record &R, const RecordVal *RV);
+ virtual const Init *resolveReferences(Record &R, const RecordVal *RV) const;
};
/// DefInit - AL - Represent a reference to a 'def' in the description
///
class DefInit : public TypedInit {
Record *Def;
+
+ DefInit(Record *D, RecordRecTy *T) : TypedInit(T), Def(D) {}
+ friend class Record;
+
+ DefInit(const DefInit &Other); // Do not define.
+ DefInit &operator=(const DefInit &Other); // Do not define.
+
public:
- explicit DefInit(Record *D) : TypedInit(new RecordRecTy(D)), Def(D) {}
+ static const DefInit *get(Record*);
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
Record *getDef() const { return Def; }
- //virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
+ //virtual const Init *
+ //convertInitializerBitRange(const std::vector<unsigned> &Bits);
virtual RecTy *getFieldType(const std::string &FieldName) const;
- virtual Init *getFieldInit(Record &R, const std::string &FieldName) const;
+ virtual const Init *getFieldInit(Record &R, const RecordVal *RV,
+ const std::string &FieldName) const;
virtual std::string getAsString() const;
/// VarBitInit::resolveReferences. If the bit is able to be resolved, we
/// simply return the resolved value, otherwise we return null.
///
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) {
+ virtual const Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const {
assert(0 && "Illegal bit reference off def");
return 0;
}
/// resolveListElementReference - This method is used to implement
/// VarListElementInit::resolveReferences. If the list element is resolvable
/// now, we return the resolved value, otherwise we return null.
- virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
- unsigned Elt) {
+ virtual const Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const {
assert(0 && "Illegal element reference off def");
return 0;
}
/// FieldInit - X.Y - Represent a reference to a subfield of a variable
///
class FieldInit : public TypedInit {
- Init *Rec; // Record we are referring to
+ const Init *Rec; // Record we are referring to
std::string FieldName; // Field we are accessing
-public:
- FieldInit(Init *R, const std::string &FN)
- : TypedInit(R->getFieldType(FN)), Rec(R), FieldName(FN) {
+
+ FieldInit(const Init *R, const std::string &FN)
+ : TypedInit(R->getFieldType(FN)), Rec(R), FieldName(FN) {
assert(getType() && "FieldInit with non-record type!");
}
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ FieldInit(const FieldInit &Other); // Do not define.
+ FieldInit &operator=(const FieldInit &Other); // Do not define.
+
+public:
+ static const FieldInit *get(const Init *R, const std::string &FN);
+ static const FieldInit *get(const Init *R, const Init *FN);
+
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit);
- virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
- unsigned Elt);
+ virtual const Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const;
+ virtual const Init *resolveListElementReference(Record &R,
+ const RecordVal *RV,
+ unsigned Elt) const;
- virtual Init *resolveReferences(Record &R, const RecordVal *RV);
+ virtual const Init *resolveReferences(Record &R, const RecordVal *RV) const;
virtual std::string getAsString() const {
return Rec->getAsString() + "." + FieldName;
/// argument can have a name associated with it.
///
class DagInit : public TypedInit {
- Init *Val;
+ const Init *Val;
std::string ValName;
- std::vector<Init*> Args;
+ std::vector<const Init*> Args;
std::vector<std::string> ArgNames;
-public:
- DagInit(Init *V, std::string VN,
- const std::vector<std::pair<Init*, std::string> > &args)
- : TypedInit(new DagRecTy), Val(V), ValName(VN) {
+
+ DagInit(const Init *V, const std::string &VN,
+ const std::vector<std::pair<const Init*, std::string> > &args)
+ : TypedInit(DagRecTy::get()), Val(V), ValName(VN) {
Args.reserve(args.size());
ArgNames.reserve(args.size());
for (unsigned i = 0, e = args.size(); i != e; ++i) {
ArgNames.push_back(args[i].second);
}
}
- DagInit(Init *V, std::string VN, const std::vector<Init*> &args,
+ DagInit(const Init *V, const std::string &VN,
+ const std::vector<const Init*> &args,
const std::vector<std::string> &argNames)
- : TypedInit(new DagRecTy), Val(V), ValName(VN), Args(args), ArgNames(argNames) {
- }
-
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ : TypedInit(DagRecTy::get()), Val(V), ValName(VN), Args(args),
+ ArgNames(argNames) { }
+
+ DagInit(const DagInit &Other); // Do not define.
+ DagInit &operator=(const DagInit &Other); // Do not define.
+
+public:
+ static const DagInit *get(const Init *V, const std::string &VN,
+ const std::vector<
+ std::pair<const Init*, std::string> > &args);
+
+ static const DagInit *get(const Init *V, const std::string &VN,
+ const std::vector<const Init*> &args,
+ const std::vector<std::string> &argNames);
+
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
- Init *getOperator() const { return Val; }
+ const Init *getOperator() const { return Val; }
const std::string &getName() const { return ValName; }
unsigned getNumArgs() const { return Args.size(); }
- Init *getArg(unsigned Num) const {
+ const Init *getArg(unsigned Num) const {
assert(Num < Args.size() && "Arg number out of range!");
return Args[Num];
}
return ArgNames[Num];
}
- void setArg(unsigned Num, Init *I) {
- assert(Num < Args.size() && "Arg number out of range!");
- Args[Num] = I;
- }
-
- virtual Init *resolveReferences(Record &R, const RecordVal *RV);
+ virtual const Init *resolveReferences(Record &R, const RecordVal *RV) const;
virtual std::string getAsString() const;
- typedef std::vector<Init*>::iterator arg_iterator;
- typedef std::vector<Init*>::const_iterator const_arg_iterator;
- typedef std::vector<std::string>::iterator name_iterator;
+ typedef std::vector<const Init*>::const_iterator const_arg_iterator;
typedef std::vector<std::string>::const_iterator const_name_iterator;
- inline arg_iterator arg_begin() { return Args.begin(); }
inline const_arg_iterator arg_begin() const { return Args.begin(); }
- inline arg_iterator arg_end () { return Args.end(); }
inline const_arg_iterator arg_end () const { return Args.end(); }
inline size_t arg_size () const { return Args.size(); }
inline bool arg_empty() const { return Args.empty(); }
- inline name_iterator name_begin() { return ArgNames.begin(); }
inline const_name_iterator name_begin() const { return ArgNames.begin(); }
- inline name_iterator name_end () { return ArgNames.end(); }
inline const_name_iterator name_end () const { return ArgNames.end(); }
inline size_t name_size () const { return ArgNames.size(); }
inline bool name_empty() const { return ArgNames.empty(); }
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) {
+ virtual const Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const {
assert(0 && "Illegal bit reference off dag");
return 0;
}
-
- virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
- unsigned Elt) {
+
+ virtual const Init *resolveListElementReference(Record &R,
+ const RecordVal *RV,
+ unsigned Elt) const {
assert(0 && "Illegal element reference off dag");
return 0;
}
-
};
//===----------------------------------------------------------------------===//
std::string Name;
RecTy *Ty;
unsigned Prefix;
- Init *Value;
+ const Init *Value;
public:
RecordVal(const std::string &N, RecTy *T, unsigned P);
unsigned getPrefix() const { return Prefix; }
RecTy *getType() const { return Ty; }
- Init *getValue() const { return Value; }
+ const Init *getValue() const { return Value; }
- bool setValue(Init *V) {
+ bool setValue(const Init *V) {
if (V) {
Value = V->convertInitializerTo(Ty);
return Value == 0;
}
void dump() const;
- void print(std::ostream &OS, bool PrintSem = true) const;
+ void print(raw_ostream &OS, bool PrintSem = true) const;
};
-inline std::ostream &operator<<(std::ostream &OS, const RecordVal &RV) {
+inline raw_ostream &operator<<(raw_ostream &OS, const RecordVal &RV) {
RV.print(OS << " ");
return OS;
}
class Record {
+ static unsigned LastID;
+
+ // Unique record ID.
+ unsigned ID;
std::string Name;
- TGLoc Loc;
+ SMLoc Loc;
std::vector<std::string> TemplateArgs;
std::vector<RecordVal> Values;
std::vector<Record*> SuperClasses;
+
+ // Tracks Record instances. Not owned by Record.
+ RecordKeeper &TrackedRecords;
+
+ DefInit *TheInit;
+
public:
- explicit Record(const std::string &N, TGLoc loc) : Name(N), Loc(loc) {}
+ // Constructs a record.
+ explicit Record(const std::string &N, SMLoc loc, RecordKeeper &records) :
+ ID(LastID++), Name(N), Loc(loc), TrackedRecords(records), TheInit(0) {}
~Record() {}
-
+
+
+ static unsigned getNewUID() { return LastID++; }
+
+
+ unsigned getID() const { return ID; }
+
const std::string &getName() const { return Name; }
void setName(const std::string &Name); // Also updates RecordKeeper.
-
- TGLoc getLoc() const { return Loc; }
-
+
+ SMLoc getLoc() const { return Loc; }
+
+ /// get the corresponding DefInit.
+ DefInit *getDefInit();
+
const std::vector<std::string> &getTemplateArgs() const {
return TemplateArgs;
}
const std::vector<RecordVal> &getValues() const { return Values; }
const std::vector<Record*> &getSuperClasses() const { return SuperClasses; }
- bool isTemplateArg(const std::string &Name) const {
+ bool isTemplateArg(StringRef Name) const {
for (unsigned i = 0, e = TemplateArgs.size(); i != e; ++i)
if (TemplateArgs[i] == Name) return true;
return false;
}
- const RecordVal *getValue(const std::string &Name) const {
+ const RecordVal *getValue(StringRef Name) const {
for (unsigned i = 0, e = Values.size(); i != e; ++i)
if (Values[i].getName() == Name) return &Values[i];
return 0;
}
- RecordVal *getValue(const std::string &Name) {
+ RecordVal *getValue(StringRef Name) {
for (unsigned i = 0, e = Values.size(); i != e; ++i)
if (Values[i].getName() == Name) return &Values[i];
return 0;
}
- void addTemplateArg(const std::string &Name) {
+ void addTemplateArg(StringRef Name) {
assert(!isTemplateArg(Name) && "Template arg already defined!");
TemplateArgs.push_back(Name);
}
Values.push_back(RV);
}
- void removeValue(const std::string &Name) {
- assert(getValue(Name) && "Cannot remove an entry that does not exist!");
+ void removeValue(StringRef Name) {
for (unsigned i = 0, e = Values.size(); i != e; ++i)
if (Values[i].getName() == Name) {
Values.erase(Values.begin()+i);
return;
}
- assert(0 && "Name does not exist in record!");
+ assert(0 && "Cannot remove an entry that does not exist!");
}
bool isSubClassOf(const Record *R) const {
return false;
}
- bool isSubClassOf(const std::string &Name) const {
+ bool isSubClassOf(StringRef Name) const {
for (unsigned i = 0, e = SuperClasses.size(); i != e; ++i)
if (SuperClasses[i]->getName() == Name)
return true;
/// possible references.
void resolveReferencesTo(const RecordVal *RV);
+ RecordKeeper &getRecords() const {
+ return TrackedRecords;
+ }
+
void dump() const;
//===--------------------------------------------------------------------===//
/// getValueInit - Return the initializer for a value with the specified name,
/// or throw an exception if the field does not exist.
///
- Init *getValueInit(const std::string &FieldName) const;
+ const Init *getValueInit(StringRef FieldName) const;
/// getValueAsString - This method looks up the specified field and returns
/// its value as a string, throwing an exception if the field does not exist
/// or if the value is not a string.
///
- std::string getValueAsString(const std::string &FieldName) const;
+ std::string getValueAsString(StringRef FieldName) const;
/// getValueAsBitsInit - This method looks up the specified field and returns
/// its value as a BitsInit, throwing an exception if the field does not exist
/// or if the value is not the right type.
///
- BitsInit *getValueAsBitsInit(const std::string &FieldName) const;
+ const BitsInit *getValueAsBitsInit(StringRef FieldName) const;
/// getValueAsListInit - This method looks up the specified field and returns
/// its value as a ListInit, throwing an exception if the field does not exist
/// or if the value is not the right type.
///
- ListInit *getValueAsListInit(const std::string &FieldName) const;
+ const ListInit *getValueAsListInit(StringRef FieldName) const;
/// getValueAsListOfDefs - This method looks up the specified field and
/// returns its value as a vector of records, throwing an exception if the
/// field does not exist or if the value is not the right type.
///
- std::vector<Record*> getValueAsListOfDefs(const std::string &FieldName) const;
+ std::vector<Record*> getValueAsListOfDefs(StringRef FieldName) const;
- /// getValueAsListOfInts - This method looks up the specified field and returns
- /// its value as a vector of integers, throwing an exception if the field does
- /// not exist or if the value is not the right type.
+ /// getValueAsListOfInts - This method looks up the specified field and
+ /// returns its value as a vector of integers, throwing an exception if the
+ /// field does not exist or if the value is not the right type.
///
- std::vector<int64_t> getValueAsListOfInts(const std::string &FieldName) const;
-
+ std::vector<int64_t> getValueAsListOfInts(StringRef FieldName) const;
+
+ /// getValueAsListOfStrings - This method looks up the specified field and
+ /// returns its value as a vector of strings, throwing an exception if the
+ /// field does not exist or if the value is not the right type.
+ ///
+ std::vector<std::string> getValueAsListOfStrings(StringRef FieldName) const;
+
/// getValueAsDef - This method looks up the specified field and returns its
/// value as a Record, throwing an exception if the field does not exist or if
/// the value is not the right type.
///
- Record *getValueAsDef(const std::string &FieldName) const;
+ Record *getValueAsDef(StringRef FieldName) const;
/// getValueAsBit - This method looks up the specified field and returns its
/// value as a bit, throwing an exception if the field does not exist or if
/// the value is not the right type.
///
- bool getValueAsBit(const std::string &FieldName) const;
+ bool getValueAsBit(StringRef FieldName) const;
/// getValueAsInt - This method looks up the specified field and returns its
/// value as an int64_t, throwing an exception if the field does not exist or
/// if the value is not the right type.
///
- int64_t getValueAsInt(const std::string &FieldName) const;
+ int64_t getValueAsInt(StringRef FieldName) const;
/// getValueAsDag - This method looks up the specified field and returns its
/// value as an Dag, throwing an exception if the field does not exist or if
/// the value is not the right type.
///
- DagInit *getValueAsDag(const std::string &FieldName) const;
-
+ const DagInit *getValueAsDag(StringRef FieldName) const;
+
/// getValueAsCode - This method looks up the specified field and returns
/// its value as the string data in a CodeInit, throwing an exception if the
/// field does not exist or if the value is not a code object.
///
- std::string getValueAsCode(const std::string &FieldName) const;
+ std::string getValueAsCode(StringRef FieldName) const;
};
-std::ostream &operator<<(std::ostream &OS, const Record &R);
+raw_ostream &operator<<(raw_ostream &OS, const Record &R);
struct MultiClass {
Record Rec; // Placeholder for template args and Name.
void dump() const;
- MultiClass(const std::string &Name, TGLoc Loc) : Rec(Name, Loc) {}
+ MultiClass(const std::string &Name, SMLoc Loc, RecordKeeper &Records) :
+ Rec(Name, Loc, Records) {}
};
class RecordKeeper {
assert(Defs.count(Name) && "Def does not exist!");
Defs.erase(Name);
}
-
+
//===--------------------------------------------------------------------===//
// High-level helper methods, useful for tablegen backends...
std::vector<Record*>
getAllDerivedDefinitions(const std::string &ClassName) const;
-
void dump() const;
};
///
struct LessRecord {
bool operator()(const Record *Rec1, const Record *Rec2) const {
- return Rec1->getName() < Rec2->getName();
+ return StringRef(Rec1->getName()).compare_numeric(Rec2->getName()) < 0;
}
};
-/// LessRecordFieldName - Sorting predicate to sort record pointers by their
+/// LessRecordFieldName - Sorting predicate to sort record pointers by their
/// name field.
///
struct LessRecordFieldName {
}
};
+raw_ostream &operator<<(raw_ostream &OS, const RecordKeeper &RK);
-class TGError {
- TGLoc Loc;
- std::string Message;
-public:
- TGError(TGLoc loc, const std::string &message) : Loc(loc), Message(message) {}
-
- TGLoc getLoc() const { return Loc; }
- const std::string &getMessage() const { return Message; }
-};
-
-
-std::ostream &operator<<(std::ostream &OS, const RecordKeeper &RK);
-
-extern RecordKeeper Records;
-
-void PrintError(TGLoc ErrorLoc, const std::string &Msg);
-
-
} // End llvm namespace
#endif
projects / oota-llvm.git / blobdiff