//===- Record.h - Classes to represent Table Records ------------*- C++ -*-===//
//
+// The LLVM Compiler Infrastructure
+//
+// 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
+// types, values, and high-level data structures.
//
//===----------------------------------------------------------------------===//
#ifndef RECORD_H
#define RECORD_H
-#include <string>
-#include <vector>
+#include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/DataTypes.h"
+#include "llvm/Support/raw_ostream.h"
#include <map>
-#include <iostream>
-#include <cassert>
-class Init;
+namespace llvm {
+class raw_ostream;
+
+// RecTy subclasses.
+class BitRecTy;
+class BitsRecTy;
+class IntRecTy;
+class StringRecTy;
+class ListRecTy;
+class CodeRecTy;
+class DagRecTy;
+class RecordRecTy;
+
+// Init subclasses.
+struct Init;
class UnsetInit;
class BitInit;
class BitsInit;
class IntInit;
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.
class Record;
+class RecordVal;
+struct MultiClass;
//===----------------------------------------------------------------------===//
// Type Classes
struct RecTy {
virtual ~RecTy() {}
+ 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
+ /// converted to the specified type.
+ 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( UnOpInit *UI) {
+ return convertValue((TypedInit*)UI);
+ }
+ virtual Init *convertValue( BinOpInit *UI) {
+ return convertValue((TypedInit*)UI);
+ }
+ virtual Init *convertValue( TernOpInit *UI) {
+ return convertValue((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);
return convertValue((TypedInit*)FI);
}
- virtual void print(std::ostream &OS) const = 0;
- void dump() const;
+public: // These methods should only be called by subclasses of RecTy.
+ // baseClassOf - These virtual methods should be overloaded to return true iff
+ // all values of type 'RHS' can be converted to the 'this' type.
+ 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 { 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 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);}
+
+ 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 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; }
- void print(std::ostream &OS) const { OS << "bit"; }
};
-/// BitsRecTy - 'bits<n>' - Represent a fixed number of bits
+// BitsRecTy - 'bits<n>' - Represent a fixed number of bits
+/// BitsRecTy - 'bits<n>' - Represent a fixed number of bits
///
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 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);}
+
+ 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 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; }
- void print(std::ostream &OS) const { OS << "bits<" << Size << ">"; }
};
/// 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(BitsInit *BI);
- Init *convertValue(TypedInit *TI);
+class IntRecTy : public RecTy {
+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);}
+
+ 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 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; }
- void print(std::ostream &OS) const { OS << "int"; }
};
/// 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 *VI);
- void print(std::ostream &OS) const { OS << "string"; }
+class StringRecTy : public RecTy {
+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);}
+
+ 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<class>' - Represent a list defs, all of which must be
-/// derived from the specified class.
+// ListRecTy - 'list<Ty>' - Represent a list of values, all of which must be of
+// the specified type.
+/// ListRecTy - 'list<Ty>' - Represent a list of values, all of which must
+/// be of the specified type.
///
class ListRecTy : public RecTy {
- Record *Class;
+ RecTy *Ty;
public:
- ListRecTy(Record *C) : Class(C) {}
- Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
- Init *convertValue(ListInit *LI);
-
- void print(std::ostream &OS) const;
+ explicit ListRecTy(RecTy *T) : Ty(T) {}
+
+ 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);}
+
+ 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 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.
+///
+class CodeRecTy : public RecTy {
+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);}
+
+ std::string getAsString() const { return "code"; }
+
+ 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 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
+///
+class DagRecTy : public RecTy {
+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);}
+
+ std::string getAsString() const { return "dag"; }
+
+ 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 true; }
+ virtual bool baseClassOf(const RecordRecTy *RHS) const { return false; }
};
-/// RecordRecTy - '<classname>' - Represent an instance of a class, such as:
+
+/// RecordRecTy - '[classname]' - Represent an instance of a class, such as:
/// (R32 X = EAX).
///
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);
-
- void print(std::ostream &OS) const;
+ 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);}
+
+ 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
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
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 Init *convertInitListSlice(const std::vector<unsigned> &Elements) {
+ return 0;
+ }
+
/// 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.
/// 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 Init *resolveReferences(Record &R, const RecordVal *RV) {
+ 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;
+public:
+ explicit TypedInit(RecTy *T) : Ty(T) {}
+
+ RecTy *getType() const { return Ty; }
+
+ virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
+ virtual Init *convertInitListSlice(const std::vector<unsigned> &Elements);
+
+ /// 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;
+
+ /// 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;
+};
+
/// UnsetInit - ? - Represents an uninitialized value
///
-struct UnsetInit : public Init {
+class UnsetInit : public Init {
+public:
virtual Init *convertInitializerTo(RecTy *Ty) {
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;
public:
- BitInit(bool V) : Value(V) {}
+ explicit BitInit(bool V) : Value(V) {}
bool getValue() const { return Value; }
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.
class BitsInit : public Init {
std::vector<Init*> Bits;
public:
- BitsInit(unsigned Size) : Bits(Size) {}
+ explicit BitsInit(unsigned Size) : Bits(Size) {}
unsigned getNumBits() const { return Bits.size(); }
if (!getBit(i)->isComplete()) return false;
return true;
}
- virtual void print(std::ostream &OS) const;
+ virtual std::string getAsString() const;
- virtual Init *resolveReferences(Record &R);
+ 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;
+ bool printInHex(raw_ostream &OS) const;
+ bool printAsVariable(raw_ostream &OS) const;
+ bool printAsUnset(raw_ostream &OS) const;
};
/// IntInit - 7 - Represent an initalization by a literal integer value.
///
-class IntInit : public Init {
- int Value;
+class IntInit : public TypedInit {
+ int64_t Value;
public:
- IntInit(int V) : Value(V) {}
+ explicit IntInit(int64_t V) : TypedInit(new IntRecTy), Value(V) {}
- int getValue() const { return Value; }
+ int64_t getValue() const { return Value; }
virtual Init *convertInitializerTo(RecTy *Ty) {
return Ty->convertValue(this);
}
virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
- 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 Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) {
+ 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 Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) {
+ 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;
+public:
+ explicit StringInit(const std::string &V)
+ : TypedInit(new StringRecTy), Value(V) {}
+
+ const std::string &getValue() const { return Value; }
+
+ virtual Init *convertInitializerTo(RecTy *Ty) {
+ return Ty->convertValue(this);
+ }
+
+ 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 Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) {
+ 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) {
+ assert(0 && "Illegal element reference off string");
+ return 0;
+ }
+};
+
+/// CodeInit - "[{...}]" - Represent a code fragment.
+///
+class CodeInit : public Init {
std::string Value;
public:
- StringInit(const std::string &V) : Value(V) {}
+ explicit CodeInit(const std::string &V) : Value(V) {}
+
+ const std::string getValue() const { return Value; }
virtual Init *convertInitializerTo(RecTy *Ty) {
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<Record*> Records;
+class ListInit : public TypedInit {
+ std::vector<Init*> Values;
public:
- ListInit(std::vector<Record*> &Rs) {
- Records.swap(Rs);
+ typedef std::vector<Init*>::iterator iterator;
+ typedef std::vector<Init*>::const_iterator const_iterator;
+
+ explicit ListInit(std::vector<Init*> &Vs, RecTy *EltTy)
+ : TypedInit(new ListRecTy(EltTy)) {
+ Values.swap(Vs);
}
+ explicit ListInit(iterator Start, iterator End, RecTy *EltTy)
+ : TypedInit(new ListRecTy(EltTy)), Values(Start, End) {}
- unsigned getSize() const { return Records.size(); }
- Record *getElement(unsigned i) const {
- assert(i < Records.size() && "List element index out of range!");
- return Records[i];
+ unsigned getSize() const { return Values.size(); }
+ 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) {
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 Init *resolveReferences(Record &R, const RecordVal *RV);
+ 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 iterator begin() { return Values.begin(); }
+ inline const_iterator begin() const { return Values.begin(); }
+ inline iterator end () { return Values.end(); }
+ 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, const RecordVal *RV,
+ unsigned Bit) {
+ 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 Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt);
+};
+
+
+/// OpInit - Base class for operators
+///
+class OpInit : public TypedInit {
+public:
+ OpInit(RecTy *Type) : TypedInit(Type) {}
+
+ // Clone - Clone this operator, replacing arguments with the new list
+ virtual OpInit *clone(std::vector<Init *> &Operands) = 0;
+
+ virtual int getNumOperands() const = 0;
+ virtual Init *getOperand(int i) = 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 Init *convertInitializerTo(RecTy *Ty) {
+ return Ty->convertValue(this);
+ }
+
+ virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit);
+ virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt);
+};
+
+
+/// UnOpInit - !op (X) - Transform an init.
+///
+class UnOpInit : public OpInit {
+public:
+ enum UnaryOp { CAST, CAR, CDR, LNULL };
+private:
+ UnaryOp Opc;
+ Init *LHS;
+public:
+ UnOpInit(UnaryOp opc, Init *lhs, RecTy *Type) :
+ OpInit(Type), Opc(opc), LHS(lhs) {
+ }
+
+ // Clone - Clone this operator, replacing arguments with the new list
+ virtual OpInit *clone(std::vector<Init *> &Operands) {
+ assert(Operands.size() == 1 &&
+ "Wrong number of operands for unary operation");
+ return new UnOpInit(getOpcode(), *Operands.begin(), getType());
+ }
+
+ int getNumOperands() const { return 1; }
+ Init *getOperand(int i) {
+ assert(i == 0 && "Invalid operand id for unary operator");
+ return getOperand();
+ }
+
+ UnaryOp getOpcode() const { return Opc; }
+ 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);
+
+ virtual Init *resolveReferences(Record &R, const RecordVal *RV);
+
+ /// 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 Init *resolveBitReference(Record &R, unsigned Bit) = 0;
+ virtual RecTy *getFieldType(const std::string &FieldName) 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, NAMECONCAT };
+private:
+ BinaryOp Opc;
+ Init *LHS, *RHS;
+public:
+ BinOpInit(BinaryOp opc, Init *lhs, Init *rhs, RecTy *Type) :
+ OpInit(Type), Opc(opc), LHS(lhs), RHS(rhs) {
+ }
+
+ // Clone - Clone this operator, replacing arguments with the new list
+ virtual OpInit *clone(std::vector<Init *> &Operands) {
+ assert(Operands.size() == 2 &&
+ "Wrong number of operands for binary operation");
+ return new BinOpInit(getOpcode(), Operands[0], Operands[1], getType());
+ }
+
+ int getNumOperands() const { return 2; }
+ Init *getOperand(int i) {
+ assert((i == 0 || i == 1) && "Invalid operand id for binary operator");
+ if (i == 0) {
+ return getLHS();
+ }
+ else {
+ return getRHS();
+ }
+ }
+
+ BinaryOp getOpcode() const { return Opc; }
+ Init *getLHS() const { return LHS; }
+ 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);
+
+ 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;
+ Init *LHS, *MHS, *RHS;
+public:
+ TernOpInit(TernaryOp opc, Init *lhs, Init *mhs, Init *rhs, RecTy *Type) :
+ OpInit(Type), Opc(opc), LHS(lhs), MHS(mhs), RHS(rhs) {
+ }
+
+ // Clone - Clone this operator, replacing arguments with the new list
+ virtual OpInit *clone(std::vector<Init *> &Operands) {
+ assert(Operands.size() == 3 &&
+ "Wrong number of operands for ternary operation");
+ return new TernOpInit(getOpcode(), Operands[0], Operands[1], Operands[2],
+ getType());
+ }
+
+ int getNumOperands() const { return 3; }
+ Init *getOperand(int i) {
+ 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; }
+ Init *getLHS() const { return LHS; }
+ Init *getMHS() const { return MHS; }
+ 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);
+
+ virtual std::string getAsString() const;
+};
+
+
/// VarInit - 'Opcode' - Represent a reference to an entire variable object.
///
class VarInit : public TypedInit {
std::string VarName;
public:
- VarInit(const std::string &VN, RecTy *T) : TypedInit(T), VarName(VN) {}
-
+ explicit VarInit(const std::string &VN, RecTy *T)
+ : TypedInit(T), VarName(VN) {}
+
virtual Init *convertInitializerTo(RecTy *Ty) {
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 Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit);
+ virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt);
virtual RecTy *getFieldType(const std::string &FieldName) const;
virtual Init *getFieldInit(Record &R, const std::string &FieldName) const;
/// 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 Init *resolveReferences(Record &R, const RecordVal *RV);
+
+ virtual std::string getAsString() const { return VarName; }
};
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 Init *resolveReferences(Record &R, const RecordVal *RV);
};
+/// VarListElementInit - List[4] - Represent access to one element of a var or
+/// field.
+class VarListElementInit : public TypedInit {
+ TypedInit *TI;
+ unsigned Element;
+public:
+ VarListElementInit(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) {
+ return Ty->convertValue(this);
+ }
+
+ TypedInit *getVariable() const { return TI; }
+ unsigned getElementNum() const { return Element; }
+
+ virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit);
+
+ /// 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 std::string getAsString() const;
+ virtual Init *resolveReferences(Record &R, const RecordVal *RV);
+};
/// DefInit - AL - Represent a reference to a 'def' in the description
///
-class DefInit : public Init {
+class DefInit : public TypedInit {
Record *Def;
public:
- DefInit(Record *D) : Def(D) {}
-
+ explicit DefInit(Record *D) : TypedInit(new RecordRecTy(D)), Def(D) {}
+
virtual Init *convertInitializerTo(RecTy *Ty) {
return Ty->convertValue(this);
}
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 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 Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit) {
+ 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) {
+ assert(0 && "Illegal element reference off def");
+ return 0;
+ }
};
return Ty->convertValue(this);
}
- virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
+ virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
+ unsigned Bit);
+ virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt);
- virtual Init *resolveBitReference(Record &R, unsigned Bit);
+ virtual Init *resolveReferences(Record &R, const RecordVal *RV);
- virtual void print(std::ostream &OS) const {
- Rec->print(OS); OS << "." << FieldName;
+ virtual std::string getAsString() const {
+ return Rec->getAsString() + "." + FieldName;
}
};
+/// 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 TypedInit {
+ Init *Val;
+ std::string ValName;
+ std::vector<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) {
+ Args.reserve(args.size());
+ ArgNames.reserve(args.size());
+ for (unsigned i = 0, e = args.size(); i != e; ++i) {
+ Args.push_back(args[i].first);
+ ArgNames.push_back(args[i].second);
+ }
+ }
+ DagInit(Init *V, std::string VN, const std::vector<Init*> &args,
+ const std::vector<std::string> &argNames)
+ : TypedInit(new DagRecTy), Val(V), ValName(VN), Args(args), ArgNames(argNames) {
+ }
+
+ virtual Init *convertInitializerTo(RecTy *Ty) {
+ return Ty->convertValue(this);
+ }
+
+ Init *getOperator() const { return Val; }
+
+ const std::string &getName() const { return ValName; }
+
+ unsigned getNumArgs() const { return Args.size(); }
+ Init *getArg(unsigned Num) const {
+ assert(Num < Args.size() && "Arg number out of range!");
+ return Args[Num];
+ }
+ const std::string &getArgName(unsigned Num) const {
+ assert(Num < ArgNames.size() && "Arg number out of range!");
+ 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 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<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) {
+ assert(0 && "Illegal bit reference off dag");
+ return 0;
+ }
+
+ virtual Init *resolveListElementReference(Record &R, const RecordVal *RV,
+ unsigned Elt) {
+ assert(0 && "Illegal element reference off dag");
+ return 0;
+ }
+
+};
//===----------------------------------------------------------------------===//
// High-Level Classes
}
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;
public:
- Record(const std::string &N) : Name(N) {}
+ explicit Record(const std::string &N, SMLoc loc) :
+ ID(LastID++), Name(N), Loc(loc) {}
~Record() {}
+
+ 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);
}
- bool isSubClassOf(Record *R) const {
+ void removeValue(StringRef Name) {
+ assert(getValue(Name) && "Cannot remove an entry that does not exist!");
+ 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!");
+ }
+
+ 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(StringRef Name) const {
+ for (unsigned i = 0, e = SuperClasses.size(); i != e; ++i)
+ if (SuperClasses[i]->getName() == Name)
+ return true;
return false;
}
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);
void dump() const;
+
+ //===--------------------------------------------------------------------===//
+ // High-level methods useful to tablegen back-ends
+ //
+
+ /// getValueInit - Return the initializer for a value with the specified name,
+ /// or throw an exception if the field does not exist.
+ ///
+ 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(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(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(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;
+
+ /// 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(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(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(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(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) : Rec(Name, Loc) {}
+};
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...
+
+ /// getAllDerivedDefinitions - This method returns all concrete definitions
+ /// that derive from the specified class name. If a class with the specified
+ /// name does not exist, an exception is thrown.
+ 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 Rec1->getName() < Rec2->getName();
+ }
+};
+
+/// 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");
+ }
+};
+
+
+class TGError {
+ SMLoc Loc;
+ std::string Message;
+public:
+ TGError(SMLoc loc, const std::string &message) : Loc(loc), Message(message) {}
+
+ SMLoc getLoc() const { return Loc; }
+ const std::string &getMessage() const { return Message; }
+};
+
+
+raw_ostream &operator<<(raw_ostream &OS, const RecordKeeper &RK);
extern RecordKeeper Records;
+void PrintError(SMLoc ErrorLoc, const std::string &Msg);
+
+
+} // End llvm namespace
+
#endif