//===- Record.h - Classes to represent Table Records ------------*- C++ -*-===//
-//
+//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
//===----------------------------------------------------------------------===//
//
// This file defines the main TableGen data structures, including the TableGen
#ifndef RECORD_H
#define RECORD_H
-#include <string>
-#include <vector>
+#include "llvm/ADT/FoldingSet.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 <iostream>
-#include <cassert>
namespace llvm {
+class raw_ostream;
-// RecTy subclasses...
+// RecTy subclasses.
class BitRecTy;
class BitsRecTy;
class IntRecTy;
class DagRecTy;
class RecordRecTy;
-// Init subclasses...
+// Init subclasses.
class Init;
class UnsetInit;
class BitInit;
class StringInit;
class CodeInit;
class ListInit;
+class UnOpInit;
+class BinOpInit;
+class TernOpInit;
class DefInit;
class DagInit;
class TypedInit;
class VarInit;
class FieldInit;
class VarBitInit;
+class VarListElementInit;
-// Other classes...
+// Other classes.
class Record;
+class RecordVal;
+struct MultiClass;
+class RecordKeeper;
//===----------------------------------------------------------------------===//
// Type Classes
struct RecTy {
virtual ~RecTy() {}
- virtual void print(std::ostream &OS) const = 0;
+ virtual std::string getAsString() const = 0;
+ void print(raw_ostream &OS) const { OS << getAsString(); }
void dump() const;
/// typeIsConvertibleTo - Return true if all values of 'this' type can be
virtual bool typeIsConvertibleTo(const RecTy *RHS) const = 0;
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( 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 Init *convertValue( FieldInit *FI) {
- return convertValue((TypedInit*)FI);
+ 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 const Init *convertValue(const BinOpInit *UI) {
+ return convertValue((const TypedInit*)UI);
+ }
+ virtual const Init *convertValue(const TernOpInit *UI) {
+ return convertValue((const TypedInit*)UI);
+ }
+ 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 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
///
-struct BitRecTy : public RecTy {
- Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
- Init *convertValue(BitInit *BI) { return (Init*)BI; }
- Init *convertValue(BitsInit *BI);
- Init *convertValue(IntInit *II);
- Init *convertValue(TypedInit *VI);
- Init *convertValue(VarBitInit *VB) { return (Init*)VB; }
+class BitRecTy : public RecTy {
+public:
+ 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);
+ }
- void print(std::ostream &OS) const { OS << "bit"; }
+ std::string getAsString() const { return "bit"; }
bool typeIsConvertibleTo(const RecTy *RHS) const {
return RHS->baseClassOf(this);
}
- virtual bool baseClassOf(const BitRecTy *RHS) const { return true; }
- virtual bool baseClassOf(const BitsRecTy *RHS) const;
- virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const;
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+
};
class BitsRecTy : public RecTy {
unsigned Size;
public:
- BitsRecTy(unsigned Sz) : Size(Sz) {}
+ explicit BitsRecTy(unsigned Sz) : Size(Sz) {}
unsigned getNumBits() const { return Size; }
- Init *convertValue(UnsetInit *UI);
- Init *convertValue(BitInit *UI);
- Init *convertValue(BitsInit *BI);
- Init *convertValue(IntInit *II);
- Init *convertValue(TypedInit *VI);
+ 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);
+ }
- void print(std::ostream &OS) const { OS << "bits<" << Size << ">"; }
+ std::string getAsString() const;
bool typeIsConvertibleTo(const RecTy *RHS) const {
return RHS->baseClassOf(this);
}
- virtual bool baseClassOf(const BitRecTy *RHS) const { return Size == 1; }
- virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
- virtual bool baseClassOf(const BitsRecTy *RHS) const {
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return Size == 1; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const {
return RHS->Size == Size;
}
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+
};
/// IntRecTy - 'int' - Represent an integer value of no particular size
///
-struct IntRecTy : public RecTy {
- Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
- Init *convertValue(IntInit *II) { return (Init*)II; }
- Init *convertValue(BitInit *BI);
- Init *convertValue(BitsInit *BI);
- Init *convertValue(TypedInit *TI);
+class IntRecTy : public RecTy {
+public:
+ 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);
+ }
- void print(std::ostream &OS) const { OS << "int"; }
+ std::string getAsString() const { return "int"; }
bool typeIsConvertibleTo(const RecTy *RHS) const {
return RHS->baseClassOf(this);
}
- virtual bool baseClassOf(const BitRecTy *RHS) const { return true; }
- virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
- virtual bool baseClassOf(const BitsRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
+
};
/// StringRecTy - 'string' - Represent an string value
///
-struct StringRecTy : public RecTy {
- Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
- Init *convertValue(StringInit *SI) { return (Init*)SI; }
- Init *convertValue(TypedInit *TI);
- void print(std::ostream &OS) const { OS << "string"; }
+class StringRecTy : public RecTy {
+public:
+ 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"; }
bool typeIsConvertibleTo(const RecTy *RHS) const {
return RHS->baseClassOf(this);
}
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
virtual bool baseClassOf(const StringRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
};
// ListRecTy - 'list<Ty>' - Represent a list of values, all of which must be of
class ListRecTy : public RecTy {
RecTy *Ty;
public:
- ListRecTy(RecTy *T) : Ty(T) {}
+ explicit ListRecTy(RecTy *T) : Ty(T) {}
RecTy *getElementType() const { return Ty; }
- Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
- Init *convertValue(ListInit *LI);
- Init *convertValue(TypedInit *TI);
-
- void print(std::ostream &OS) const;
+ 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;
bool typeIsConvertibleTo(const RecTy *RHS) const {
return RHS->baseClassOf(this);
}
- virtual bool baseClassOf(const ListRecTy *RHS) const {
- return RHS->getElementType()->typeIsConvertibleTo(Ty);
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const {
+ return RHS->getElementType()->typeIsConvertibleTo(Ty);
}
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
};
/// CodeRecTy - 'code' - Represent an code fragment, function or method.
///
-struct CodeRecTy : public RecTy {
- Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
- Init *convertValue( CodeInit *CI) { return (Init*)CI; }
- Init *convertValue(TypedInit *TI);
+class CodeRecTy : public RecTy {
+public:
+ 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);
+ }
- void print(std::ostream &OS) const { OS << "code"; }
+ std::string getAsString() const { return "code"; }
bool typeIsConvertibleTo(const RecTy *RHS) const {
return RHS->baseClassOf(this);
}
- virtual bool baseClassOf(const CodeRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
};
/// DagRecTy - 'dag' - Represent a dag fragment
///
-struct DagRecTy : public RecTy {
- Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
- Init *convertValue( DagInit *CI) { return (Init*)CI; }
- Init *convertValue(TypedInit *TI);
+class DagRecTy : public RecTy {
+public:
+ 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);
+ }
- void print(std::ostream &OS) const { OS << "dag"; }
+ std::string getAsString() const { return "dag"; }
bool typeIsConvertibleTo(const RecTy *RHS) const {
return RHS->baseClassOf(this);
}
- virtual bool baseClassOf(const DagRecTy *RHS) const { return true; }
+
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return true; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
};
class RecordRecTy : public RecTy {
Record *Rec;
public:
- RecordRecTy(Record *R) : Rec(R) {}
+ explicit RecordRecTy(Record *R) : Rec(R) {}
Record *getRecord() const { return Rec; }
- Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
- Init *convertValue( DefInit *DI);
- Init *convertValue(TypedInit *VI);
+ 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);
+ }
- void print(std::ostream &OS) const;
+ std::string getAsString() const;
bool typeIsConvertibleTo(const RecTy *RHS) const {
return RHS->baseClassOf(this);
}
+ virtual bool baseClassOf(const BitRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const BitsRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const IntRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const StringRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const ListRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const CodeRecTy *RHS) const { return false; }
+ virtual bool baseClassOf(const DagRecTy *RHS) const { return false; }
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 : public FastFoldingSetNode {
+ Init(const Init &); // Do not define.
+ Init &operator=(const Init &); // Do not define.
+
+protected:
+ Init(const FoldingSetNodeID &ID) : FastFoldingSetNode(ID) {}
+
+ static FoldingSet<Init> UniqueInits;
+ static BumpPtrAllocator InitAllocator;
+
+ enum Type {
+ initUnset,
+ initBit,
+ initBits,
+ initInt,
+ initString,
+ initCode,
+ initList,
+ initUnOp,
+ initBinOp,
+ initTernOp,
+ initQuadOp,
+ initVar,
+ initVarBit,
+ initVarListElement,
+ initDef,
+ initField,
+ initDag
+ };
+
+public:
virtual ~Init() {}
+ static void ReleaseMemory() {
+ InitAllocator.Reset();
+ }
+
/// isComplete - This virtual method should be overridden by values that may
/// not be completely specified yet.
virtual bool isComplete() const { return true; }
/// print - Print out this value.
- virtual void print(std::ostream &OS) const = 0;
+ 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;
+ }
+
+ /// convertInitListSlice - This method is used to implement the list slice
+ /// selection operator. Given an initializer, it selects the specified list
+ /// elements, returning them as a new init of list type. If it is not legal
+ /// to take a slice of this, return null.
+ ///
+ 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) { return this; }
+ 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;
}
+/// TypedInit - This is the common super-class of types that have a specific,
+/// explicit, type.
+///
+class TypedInit : public Init {
+ RecTy *Ty;
+
+ TypedInit(const TypedInit &Other); // Do not define.
+ TypedInit &operator=(const TypedInit &Other); // Do not define.
+
+protected:
+ explicit TypedInit(const FoldingSetNodeID &ID, RecTy *T) : Init(ID), Ty(T) {}
+
+public:
+ RecTy *getType() const { return Ty; }
+
+ 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 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 const Init *resolveListElementReference(Record &R,
+ const RecordVal *RV,
+ unsigned Elt) const = 0;
+};
+
/// UnsetInit - ? - Represents an uninitialized value
///
-struct UnsetInit : public Init {
- virtual Init *convertInitializerTo(RecTy *Ty) {
+class UnsetInit : public Init {
+ UnsetInit(const FoldingSetNodeID &ID) : Init(ID) {}
+ UnsetInit(const UnsetInit &); // Do not define.
+ UnsetInit &operator=(const UnsetInit &Other); // Do not define.
+
+public:
+ static const UnsetInit *Create();
+
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
virtual bool isComplete() const { return false; }
- virtual void print(std::ostream &OS) const { OS << "?"; }
+ virtual std::string getAsString() const { return "?"; }
};
///
class BitInit : public Init {
bool Value;
+
+ explicit BitInit(const FoldingSetNodeID &ID, bool V) : Init(ID), Value(V) {}
+ BitInit(const BitInit &Other); // Do not define.
+ BitInit &operator=(BitInit &Other); // Do not define.
+
public:
- BitInit(bool V) : Value(V) {}
+ static const BitInit *Create(bool V);
bool getValue() const { return Value; }
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
- virtual void print(std::ostream &OS) const { OS << (Value ? "1" : "0"); }
+ virtual std::string getAsString() const { return Value ? "1" : "0"; }
};
/// BitsInit - { a, b, c } - Represents an initializer for a BitsRecTy value.
/// 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(const FoldingSetNodeID &ID, unsigned Size)
+ : Init(ID), Bits(Size) {}
+
+ template<typename InputIterator>
+ BitsInit(const FoldingSetNodeID &ID, InputIterator start, InputIterator end)
+ : Init(ID), Bits(start, end) {}
+
+ BitsInit(const BitsInit &Other); // Do not define.
+ BitsInit &operator=(const BitsInit &Other); // Do not define.
+
public:
- BitsInit(unsigned Size) : Bits(Size) {}
+ template<typename InputIterator>
+ static const BitsInit *Create(InputIterator Start, InputIterator End) {
+ FoldingSetNodeID ID;
+ ID.AddInteger(initBits);
+ ID.AddInteger(std::distance(Start, End));
+
+ InputIterator S = Start;
+ while (S != End)
+ ID.AddPointer(*S++);
+
+ void *IP = 0;
+ if (const Init *I = UniqueInits.FindNodeOrInsertPos(ID, IP))
+ return static_cast<const BitsInit *>(I);
+
+ BitsInit *I = InitAllocator.Allocate<BitsInit>();
+ new (I) BitsInit(ID, Start, End);
+ UniqueInits.InsertNode(I, IP);
+ return I;
+ }
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) {
+ void setBit(unsigned Bit, const 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;
}
- virtual void print(std::ostream &OS) const;
-
- virtual Init *resolveReferences(Record &R);
+ bool allInComplete() const {
+ for (unsigned i = 0; i != getNumBits(); ++i)
+ if (getBit(i)->isComplete()) return false;
+ return true;
+ }
+ virtual std::string getAsString() const;
- // 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 {
- int Value;
+class IntInit : public TypedInit {
+ int64_t Value;
+
+ explicit IntInit(const FoldingSetNodeID &ID, int64_t V)
+ : TypedInit(ID, new IntRecTy), Value(V) {}
+
+ IntInit(const IntInit &Other); // Do not define.
+ IntInit &operator=(const IntInit &Other); // Do note define.
+
public:
- IntInit(int V) : Value(V) {}
+ static const IntInit *Create(int64_t V);
- int getValue() const { return Value; }
+ 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 void print(std::ostream &OS) const { OS << Value; }
+ 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;
+ }
};
/// StringInit - "foo" - Represent an initialization by a string value.
///
-class StringInit : public Init {
+class StringInit : public TypedInit {
std::string Value;
+
+ explicit StringInit(const FoldingSetNodeID &ID, const std::string &V)
+ : TypedInit(ID, new StringRecTy), Value(V) {}
+
+ StringInit(const StringInit &Other); // Do not define.
+ StringInit &operator=(const StringInit &Other); // Do not define.
+
public:
- StringInit(const std::string &V) : Value(V) {}
+ static const StringInit *Create(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);
}
- virtual void print(std::ostream &OS) const { OS << "\"" << Value << "\""; }
+ virtual std::string getAsString() const { return "\"" + Value + "\""; }
+
+ /// 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 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 const Init *resolveListElementReference(Record &R,
+ const RecordVal *RV,
+ unsigned Elt) const {
+ assert(0 && "Illegal element reference off string");
+ return 0;
+ }
};
/// CodeInit - "[{...}]" - Represent a code fragment.
///
class CodeInit : public Init {
std::string Value;
+
+ explicit CodeInit(const FoldingSetNodeID &ID, const std::string &V)
+ : Init(ID), Value(V) {}
+
+ CodeInit(const CodeInit &Other); // Do not define.
+ CodeInit &operator=(const CodeInit &Other); // Do not define.
+
public:
- CodeInit(const std::string &V) : Value(V) {}
+ static const CodeInit *Create(const std::string &V);
- const std::string getValue() const { return Value; }
+ const std::string &getValue() const { return Value; }
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
- virtual void print(std::ostream &OS) const { OS << "[{" << Value << "}]"; }
+ virtual std::string getAsString() const { return "[{" + Value + "}]"; }
};
/// 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:
- ListInit(std::vector<Init*> &Vs) {
+ typedef std::vector<const Init*>::const_iterator const_iterator;
+
+private:
+ ListInit(const FoldingSetNodeID &ID, std::vector<const Init*> &Vs,
+ RecTy *EltTy)
+ : TypedInit(ID, new ListRecTy(EltTy)) {
Values.swap(Vs);
}
+ template<typename InputIterator>
+ ListInit(const FoldingSetNodeID &ID, InputIterator Start, InputIterator End,
+ RecTy *EltTy)
+ : TypedInit(ID, new ListRecTy(EltTy)), Values(Start, End) {}
+
+ ListInit(const ListInit &Other); // Do not define.
+ ListInit &operator=(const ListInit &Other); // Do not define.
+
+public:
+ static const ListInit *Create(std::vector<const Init*> &Vs, RecTy *EltTy);
+
+ template<typename InputIterator>
+ static const ListInit *Create(InputIterator Start, InputIterator End,
+ RecTy *EltTy) {
+ FoldingSetNodeID ID;
+ ID.AddInteger(initList);
+ ID.AddString(EltTy->getAsString());
+
+ InputIterator S = Start;
+ while (S != End)
+ ID.AddPointer(*S++);
+
+ void *IP = 0;
+ if (const Init *I = UniqueInits.FindNodeOrInsertPos(ID, IP))
+ return static_cast<const ListInit *>(I);
+
+ ListInit *I = InitAllocator.Allocate<ListInit>();
+ new (I) ListInit(ID, Start, End, EltTy);
+ UniqueInits.InsertNode(I, IP);
+ return I;
+ }
+
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];
}
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ Record *getElementAsRecord(unsigned i) const;
+
+ const Init *convertInitListSlice(const std::vector<unsigned> &Elements) const;
+
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
- virtual void print(std::ostream &OS) 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 const Init *resolveReferences(Record &R,
+ const RecordVal *RV) const;
+ virtual std::string getAsString() const;
-/// TypedInit - This is the common super-class of types that have a specific,
-/// explicit, type.
-///
-class TypedInit : public Init {
- RecTy *Ty;
-public:
- TypedInit(RecTy *T) : Ty(T) {}
+ inline const_iterator begin() const { return Values.begin(); }
+ inline const_iterator end () const { return Values.end(); }
- RecTy *getType() const { return Ty; }
+ 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 this.
+ /// simply return the resolved value, otherwise we return null.
///
- virtual Init *resolveBitReference(Record &R, unsigned Bit) = 0;
+ 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 {
+ OpInit(const OpInit &Other); // Do not define.
+ OpInit &operator=(OpInit &Other); // Do not define.
+
+protected:
+ explicit OpInit(const FoldingSetNodeID &ID, RecTy *Type)
+ : TypedInit(ID, Type) {}
+
+public:
+ // Clone - Clone this operator, replacing arguments with the new list
+ virtual const OpInit *clone(std::vector<const Init *> &Operands) const = 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 const Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const = 0;
+
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
+ return Ty->convertValue(this);
+ }
+
+ virtual const Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const;
+ virtual const Init *resolveListElementReference(Record &R,
+ const RecordVal *RV,
+ unsigned Elt) const;
+};
+
+
+/// UnOpInit - !op (X) - Transform an init.
+///
+class UnOpInit : public OpInit {
+public:
+ enum UnaryOp { CAST, HEAD, TAIL, EMPTY };
+private:
+ UnaryOp Opc;
+ const Init *LHS;
+
+ UnOpInit(const FoldingSetNodeID &ID, UnaryOp opc, const Init *lhs,
+ RecTy *Type)
+ : OpInit(ID, Type), Opc(opc), LHS(lhs) {}
+
+ UnOpInit(const UnOpInit &Other); // Do not define.
+ UnOpInit &operator=(const UnOpInit &Other); // Do not define.
+
+public:
+ static const UnOpInit *Create(UnaryOp opc, const Init *lhs, RecTy *Type);
+
+ // Clone - Clone this operator, replacing arguments with the new list
+ virtual const OpInit *clone(std::vector<const Init *> &Operands) const {
+ assert(Operands.size() == 1 &&
+ "Wrong number of operands for unary operation");
+ return UnOpInit::Create(getOpcode(), *Operands.begin(), getType());
+ }
+
+ 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; }
+ const Init *getOperand() const { return LHS; }
+
+ // Fold - If possible, fold this to a simpler init. Return this if not
+ // possible to fold.
+ const Init *Fold(Record *CurRec, MultiClass *CurMultiClass)const ;
+
+ virtual const Init *resolveReferences(Record &R,
+ const RecordVal *RV) const;
+
+ virtual std::string getAsString() const;
};
+/// BinOpInit - !op (X, Y) - Combine two inits.
+///
+class BinOpInit : public OpInit {
+public:
+ enum BinaryOp { SHL, SRA, SRL, STRCONCAT, CONCAT, EQ };
+private:
+ BinaryOp Opc;
+ const Init *LHS, *RHS;
+
+ BinOpInit(const FoldingSetNodeID &ID, BinaryOp opc, const Init *lhs,
+ const Init *rhs, RecTy *Type) :
+ OpInit(ID, Type), Opc(opc), LHS(lhs), RHS(rhs) {}
+
+ BinOpInit(const BinOpInit &Other); // Do not define.
+ BinOpInit &operator=(const BinOpInit &Other); // Do not define.
+
+public:
+ static const BinOpInit *Create(BinaryOp opc, const Init *lhs, const Init *rhs,
+ RecTy *Type);
+
+ // Clone - Clone this operator, replacing arguments with the new list
+ virtual const OpInit *clone(std::vector<const Init *> &Operands) const {
+ assert(Operands.size() == 2 &&
+ "Wrong number of operands for binary operation");
+ return BinOpInit::Create(getOpcode(), Operands[0], Operands[1], getType());
+ }
+
+ 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 {
+ return getRHS();
+ }
+ }
+
+ BinaryOp getOpcode() const { return Opc; }
+ 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.
+ const Init *Fold(Record *CurRec, MultiClass *CurMultiClass) const;
+
+ virtual const Init *resolveReferences(Record &R,
+ const RecordVal *RV) const;
+
+ virtual std::string getAsString() const;
+};
+
+/// TernOpInit - !op (X, Y, Z) - Combine two inits.
+///
+class TernOpInit : public OpInit {
+public:
+ enum TernaryOp { SUBST, FOREACH, IF };
+private:
+ TernaryOp Opc;
+ const Init *LHS, *MHS, *RHS;
+
+ TernOpInit(const FoldingSetNodeID &ID, TernaryOp opc, const Init *lhs,
+ const Init *mhs, const Init *rhs, RecTy *Type) :
+ OpInit(ID, 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:
+ static const TernOpInit *Create(TernaryOp opc, const Init *lhs,
+ const Init *mhs, const Init *rhs,
+ RecTy *Type);
+
+ // Clone - Clone this operator, replacing arguments with the new list
+ virtual const OpInit *clone(std::vector<const Init *> &Operands) const {
+ assert(Operands.size() == 3 &&
+ "Wrong number of operands for ternary operation");
+ return TernOpInit::Create(getOpcode(), Operands[0], Operands[1],
+ Operands[2], getType());
+ }
+
+ 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) {
+ return getMHS();
+ } else {
+ return getRHS();
+ }
+ }
+
+ TernaryOp getOpcode() const { return Opc; }
+ 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.
+ 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;
+};
+
+
/// VarInit - 'Opcode' - Represent a reference to an entire variable object.
///
class VarInit : public TypedInit {
std::string VarName;
+
+ explicit VarInit(const FoldingSetNodeID &ID, const std::string &VN, RecTy *T)
+ : TypedInit(ID, T), VarName(VN) {}
+
+ VarInit(const VarInit &Other); // Do not define.
+ VarInit &operator=(const VarInit &Other); // Do not define.
+
public:
- VarInit(const std::string &VN, RecTy *T) : TypedInit(T), VarName(VN) {}
-
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ static const VarInit *Create(const std::string &VN, RecTy *T);
+ static const VarInit *Create(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 *convertInitializerBitRange(const std::vector<unsigned> &Bits);
-
- virtual Init *resolveBitReference(Record &R, unsigned Bit);
+ 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);
-
- virtual void print(std::ostream &OS) const { OS << VarName; }
+ 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 FoldingSetNodeID &ID, const TypedInit *T, unsigned B)
+ : Init(ID), 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 *Create(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 void print(std::ostream &OS) const {
- TI->print(OS); OS << "{" << Bit << "}";
- }
- virtual Init *resolveReferences(Record &R);
+
+ virtual std::string getAsString() const;
+ 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 {
+ const TypedInit *TI;
+ unsigned Element;
+
+ VarListElementInit(const FoldingSetNodeID &ID, const TypedInit *T, unsigned E)
+ : TypedInit(ID, dynamic_cast<ListRecTy*>(T->getType())->getElementType()),
+ TI(T), Element(E) {
+ assert(T->getType() && dynamic_cast<ListRecTy*>(T->getType()) &&
+ "Illegal VarBitInit expression!");
+ }
+
+ VarListElementInit(const VarListElementInit &Other); // Do not define.
+ VarListElementInit &operator=(const VarListElementInit &Other); // Do
+ // not
+ // define.
+
+public:
+ static const VarListElementInit *Create(const TypedInit *T, unsigned E);
+
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
+ return Ty->convertValue(this);
+ }
+
+ const TypedInit *getVariable() const { return TI; }
+ unsigned getElementNum() const { return Element; }
+
+ 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 const Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) const;
+
+ virtual std::string getAsString() const;
+ virtual const Init *resolveReferences(Record &R,
+ const RecordVal *RV) const;
+};
/// DefInit - AL - Represent a reference to a 'def' in the description
///
-class DefInit : public Init {
+class DefInit : public TypedInit {
Record *Def;
+
+ explicit DefInit(const FoldingSetNodeID &ID, Record *D)
+ : TypedInit(ID, new RecordRecTy(D)), Def(D) {}
+
+ DefInit(const DefInit &Other); // Do not define.
+ DefInit &operator=(const DefInit &Other); // Do not define.
+
public:
- DefInit(Record *D) : Def(D) {}
-
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ static const DefInit *Create(Record *D);
+
+ 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) const;
virtual RecTy *getFieldType(const std::string &FieldName) const;
- virtual Init *getFieldInit(Record &R, const std::string &FieldName) const;
-
- virtual void print(std::ostream &OS) const;
+ virtual const Init *getFieldInit(Record &R, const RecordVal *RV,
+ const std::string &FieldName) 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 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 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 FoldingSetNodeID &ID, const Init *R, const std::string &FN)
+ : TypedInit(ID, 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 *Create(const Init *R, const std::string &FN);
+ static const FieldInit *Create(const Init *R, const Init *FN);
+
+ virtual const Init *convertInitializerTo(RecTy *Ty) const {
return Ty->convertValue(this);
}
- virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
-
- virtual Init *resolveBitReference(Record &R, unsigned Bit);
+ 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);
+ virtual const Init *resolveReferences(Record &R,
+ const RecordVal *RV) const;
- virtual void print(std::ostream &OS) const {
- Rec->print(OS); OS << "." << FieldName;
+ virtual std::string getAsString() const {
+ return Rec->getAsString() + "." + FieldName;
}
};
-/// DagInit - (def a, b) - Represent a DAG tree value. DAG inits are required
-/// to have Records for their first value, after that, any legal Init is
-/// possible.
+/// DagInit - (v a, b) - Represent a DAG tree value. DAG inits are required
+/// to have at least one value then a (possibly empty) list of arguments. Each
+/// argument can have a name associated with it.
///
-class DagInit : public Init {
- Record *NodeTypeDef;
- std::vector<Init*> Args;
+class DagInit : public TypedInit {
+ const Init *Val;
+ std::string ValName;
+ std::vector<const Init*> Args;
std::vector<std::string> ArgNames;
-public:
- DagInit(Record *D, const std::vector<std::pair<Init*, std::string> > &args)
- : NodeTypeDef(D) {
+
+ DagInit(const FoldingSetNodeID &ID, const Init *V, const std::string &VN,
+ const std::vector<std::pair<const Init*, std::string> > &args)
+ : TypedInit(ID, new DagRecTy), 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);
}
}
-
- virtual Init *convertInitializerTo(RecTy *Ty) {
+ DagInit(const FoldingSetNodeID &ID, const Init *V, const std::string &VN,
+ const std::vector<const Init*> &args,
+ const std::vector<std::string> &argNames)
+ : TypedInit(ID, new DagRecTy), 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 *Create(const Init *V, const std::string &VN,
+ const std::vector<
+ std::pair<const Init*, std::string> > &args);
+ static const DagInit *Create(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);
}
- Record *getNodeType() const { return NodeTypeDef; }
+ 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) {
+ void setArg(unsigned Num, const Init *I) {
assert(Num < Args.size() && "Arg number out of range!");
Args[Num] = I;
}
- virtual void print(std::ostream &OS) const;
+ virtual const Init *resolveReferences(Record &R,
+ const RecordVal *RV) const;
+
+ virtual std::string getAsString() const;
+
+ typedef std::vector<const Init*>::iterator arg_iterator;
+ typedef std::vector<const Init*>::const_iterator const_arg_iterator;
+ typedef std::vector<std::string>::iterator name_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 const Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) const {
+ assert(0 && "Illegal bit reference off dag");
+ return 0;
+ }
+
+ 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;
}
-struct Record {
- const std::string Name;
+class Record {
+ static unsigned LastID;
+
+ // Unique record ID.
+ unsigned ID;
+ std::string Name;
+ SMLoc Loc;
std::vector<std::string> TemplateArgs;
std::vector<RecordVal> Values;
std::vector<Record*> SuperClasses;
+
+ // Tracks Record instances. Not owned by Record.
+ RecordKeeper &TrackedRecords;
+
public:
- Record(const std::string &N) : Name(N) {}
+ // Constructs a record.
+ explicit Record(const std::string &N, SMLoc loc, RecordKeeper &records) :
+ ID(LastID++), Name(N), Loc(loc), TrackedRecords(records) {}
~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.
+
+ SMLoc getLoc() const { return Loc; }
+
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(Record *R) const {
+ bool isSubClassOf(const Record *R) const {
for (unsigned i = 0, e = SuperClasses.size(); i != e; ++i)
if (SuperClasses[i] == R)
- return true;
+ return true;
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;
SuperClasses.push_back(R);
}
- // resolveReferences - If there are any field references that refer to fields
- // that have been filled in, we can propagate the values now.
- //
- void resolveReferences();
+ /// resolveReferences - If there are any field references that refer to fields
+ /// that have been filled in, we can propagate the values now.
+ ///
+ void resolveReferences() { resolveReferencesTo(0); }
+
+ /// resolveReferencesTo - If anything in this record refers to RV, replace the
+ /// reference to RV with the RHS of RV. If RV is null, we resolve all
+ /// 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(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.
+ ///
+ 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 int, throwing an exception if the field does not exist or if
- /// the value is not the right type.
+ /// value as an int64_t, throwing an exception if the field does not exist or
+ /// if the value is not the right type.
///
- int 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(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.
+ typedef std::vector<Record*> RecordVector;
+ RecordVector DefPrototypes;
+
+ void dump() const;
+
+ MultiClass(const std::string &Name, SMLoc Loc, RecordKeeper &Records) :
+ Rec(Name, Loc, Records) {}
+};
class RecordKeeper {
std::map<std::string, Record*> Classes, Defs;
public:
~RecordKeeper() {
for (std::map<std::string, Record*>::iterator I = Classes.begin(),
- E = Classes.end(); I != E; ++I)
+ E = Classes.end(); I != E; ++I)
delete I->second;
for (std::map<std::string, Record*>::iterator I = Defs.begin(),
- E = Defs.end(); I != E; ++I)
+ E = Defs.end(); I != E; ++I)
delete I->second;
}
-
+
const std::map<std::string, Record*> &getClasses() const { return Classes; }
const std::map<std::string, Record*> &getDefs() const { return Defs; }
Defs.insert(std::make_pair(R->getName(), R));
}
+ /// removeClass - Remove, but do not delete, the specified record.
+ ///
+ void removeClass(const std::string &Name) {
+ assert(Classes.count(Name) && "Class does not exist!");
+ Classes.erase(Name);
+ }
+ /// removeDef - Remove, but do not delete, the specified record.
+ ///
+ void removeDef(const std::string &Name) {
+ 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;
};
-std::ostream &operator<<(std::ostream &OS, const RecordKeeper &RK);
+/// LessRecord - Sorting predicate to sort record pointers by name.
+///
+struct LessRecord {
+ bool operator()(const Record *Rec1, const Record *Rec2) const {
+ return StringRef(Rec1->getName()).compare_numeric(Rec2->getName()) < 0;
+ }
+};
+
+/// LessRecordFieldName - Sorting predicate to sort record pointers by their
+/// name field.
+///
+struct LessRecordFieldName {
+ bool operator()(const Record *Rec1, const Record *Rec2) const {
+ return Rec1->getValueAsString("Name") < Rec2->getValueAsString("Name");
+ }
+};
-extern RecordKeeper Records;
+raw_ostream &operator<<(raw_ostream &OS, const RecordKeeper &RK);
} // End llvm namespace