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-rw-r--r--utils/TableGen/Record.h1500
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diff --git a/utils/TableGen/Record.h b/utils/TableGen/Record.h
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--- a/utils/TableGen/Record.h
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@@ -1,1500 +0,0 @@
-//===- 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 "llvm/Support/SourceMgr.h"
-#include "llvm/Support/DataTypes.h"
-#include "llvm/Support/raw_ostream.h"
-#include <map>
-
-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.
-class 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;
-class RecordKeeper;
-
-//===----------------------------------------------------------------------===//
-// 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);
- }
- virtual Init *convertValue( FieldInit *FI) {
- return convertValue((TypedInit*)FI);
- }
-
-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 raw_ostream &operator<<(raw_ostream &OS, const RecTy &Ty) {
- Ty.print(OS);
- return OS;
-}
-
-
-/// BitRecTy - 'bit' - Represent a single bit
-///
-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; }
-
-};
-
-
-// BitsRecTy - 'bits<n>' - Represent a fixed number of bits
-/// BitsRecTy - 'bits&lt;n&gt;' - Represent a fixed number of bits
-///
-class BitsRecTy : public RecTy {
- unsigned Size;
-public:
- explicit BitsRecTy(unsigned Sz) : Size(Sz) {}
-
- unsigned getNumBits() const { return Size; }
-
- virtual Init *convertValue( UnsetInit *UI);
- virtual Init *convertValue( BitInit *UI);
- virtual Init *convertValue( BitsInit *BI);
- virtual Init *convertValue( IntInit *II);
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( DefInit *DI) { return 0; }
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TypedInit *TI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
-
- 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; }
-
-};
-
-
-/// IntRecTy - 'int' - Represent an integer value of no particular size
-///
-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; }
-
-};
-
-/// StringRecTy - 'string' - Represent an string value
-///
-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<Ty>' - Represent a list of values, all of which must be of
-// the specified type.
-/// ListRecTy - 'list&lt;Ty&gt;' - Represent a list of values, all of which must
-/// be of the specified type.
-///
-class ListRecTy : public RecTy {
- RecTy *Ty;
-public:
- 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:
-/// (R32 X = EAX).
-///
-class RecordRecTy : public RecTy {
- Record *Rec;
-public:
- explicit RecordRecTy(Record *R) : Rec(R) {}
-
- Record *getRecord() const { return Rec; }
-
- virtual Init *convertValue( UnsetInit *UI) { return (Init*)UI; }
- virtual Init *convertValue( BitInit *BI) { return 0; }
- virtual Init *convertValue( BitsInit *BI) { return 0; }
- virtual Init *convertValue( IntInit *II) { return 0; }
- virtual Init *convertValue(StringInit *SI) { return 0; }
- virtual Init *convertValue( ListInit *LI) { return 0; }
- virtual Init *convertValue( CodeInit *CI) { return 0; }
- virtual Init *convertValue(VarBitInit *VB) { return 0; }
- virtual Init *convertValue( UnOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( BinOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( TernOpInit *UI) { return RecTy::convertValue(UI);}
- virtual Init *convertValue( DefInit *DI);
- virtual Init *convertValue( DagInit *DI) { return 0; }
- virtual Init *convertValue( TypedInit *VI);
- virtual Init *convertValue( VarInit *VI) { return RecTy::convertValue(VI);}
- virtual Init *convertValue( FieldInit *FI) { return RecTy::convertValue(FI);}
-
- 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
-//===----------------------------------------------------------------------===//
-
-class Init {
-public:
- virtual ~Init() {}
-
- /// 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.
- 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 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;
-
- /// 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) {
- 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.
- ///
- virtual RecTy *getFieldType(const std::string &FieldName) const { return 0; }
-
- /// getFieldInit - This method complements getFieldType to return the
- /// 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 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 the expression is formed.
- /// If a value is set for the variable later, this method will be called on
- /// users of the value to allow the value to propagate out.
- ///
- virtual Init *resolveReferences(Record &R, const RecordVal *RV) {
- return this;
- }
-};
-
-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);
-
- /// getFieldType - This method is used to implement the FieldInit class.
- /// Implementors of this method should return the type of the named field if
- /// they are of record type.
- ///
- virtual RecTy *getFieldType(const std::string &FieldName) const;
-
- /// resolveBitReference - This method is used to implement
- /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
- /// simply return the resolved value, otherwise we return null.
- ///
- virtual Init *resolveBitReference(Record &R, const RecordVal *RV,
- unsigned Bit) = 0;
-
- /// 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
-///
-class UnsetInit : public Init {
-public:
- virtual Init *convertInitializerTo(RecTy *Ty) {
- return Ty->convertValue(this);
- }
-
- virtual bool isComplete() const { return false; }
- virtual std::string getAsString() const { return "?"; }
-};
-
-
-/// BitInit - true/false - Represent a concrete initializer for a bit.
-///
-class BitInit : public Init {
- bool Value;
-public:
- explicit BitInit(bool V) : Value(V) {}
-
- bool getValue() const { return Value; }
-
- virtual Init *convertInitializerTo(RecTy *Ty) {
- return Ty->convertValue(this);
- }
-
- 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;
-public:
- explicit BitsInit(unsigned Size) : Bits(Size) {}
-
- unsigned getNumBits() const { return Bits.size(); }
-
- Init *getBit(unsigned Bit) const {
- assert(Bit < Bits.size() && "Bit index out of range!");
- return Bits[Bit];
- }
- void setBit(unsigned Bit, Init *V) {
- assert(Bit < Bits.size() && "Bit index out of range!");
- assert(Bits[Bit] == 0 && "Bit already set!");
- Bits[Bit] = V;
- }
-
- virtual Init *convertInitializerTo(RecTy *Ty) {
- return Ty->convertValue(this);
- }
- virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
-
- virtual bool isComplete() const {
- for (unsigned i = 0; i != getNumBits(); ++i)
- if (!getBit(i)->isComplete()) return false;
- return true;
- }
- bool allInComplete() const {
- for (unsigned i = 0; i != getNumBits(); ++i)
- if (getBit(i)->isComplete()) return false;
- return true;
- }
- virtual std::string getAsString() const;
-
- virtual Init *resolveReferences(Record &R, const RecordVal *RV);
-};
-
-
-/// IntInit - 7 - Represent an initalization by a literal integer value.
-///
-class IntInit : public TypedInit {
- int64_t Value;
-public:
- explicit IntInit(int64_t V) : TypedInit(new IntRecTy), Value(V) {}
-
- int64_t getValue() const { return Value; }
-
- virtual Init *convertInitializerTo(RecTy *Ty) {
- return Ty->convertValue(this);
- }
- virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
-
- 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 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:
- 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 std::string getAsString() const { return "[{" + Value + "}]"; }
-};
-
-/// ListInit - [AL, AH, CL] - Represent a list of defs
-///
-class ListInit : public TypedInit {
- std::vector<Init*> Values;
-public:
- 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 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);
- }
-
- /// 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;
-
- 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(); }
-
- inline size_t size () const { return Values.size(); }
- inline bool empty() const { return Values.empty(); }
-
- /// resolveBitReference - This method is used to implement
- /// VarBitInit::resolveReferences. If the bit is able to be resolved, we
- /// simply return the resolved value, otherwise we return null.
- ///
- virtual 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, HEAD, TAIL, EMPTY };
-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);
-
- 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;
- 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 bool isComplete() const { return false; }
-
- 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:
- 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 *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 RecordVal *RV,
- const std::string &FieldName) const;
-
- /// resolveReferences - This method is used by classes that refer to other
- /// variables which may not be defined at the time they expression is formed.
- /// If a value is set for the variable later, this method will be called on
- /// users of the value to allow the value to propagate out.
- ///
- virtual Init *resolveReferences(Record &R, const RecordVal *RV);
-
- virtual 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;
- unsigned Bit;
-public:
- VarBitInit(TypedInit *T, unsigned B) : TI(T), Bit(B) {
- assert(T->getType() && dynamic_cast<BitsRecTy*>(T->getType()) &&
- ((BitsRecTy*)T->getType())->getNumBits() > B &&
- "Illegal VarBitInit expression!");
- }
-
- virtual Init *convertInitializerTo(RecTy *Ty) {
- return Ty->convertValue(this);
- }
-
- TypedInit *getVariable() const { return TI; }
- unsigned getBitNum() const { return Bit; }
-
- 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 TypedInit {
- Record *Def;
-public:
- explicit DefInit(Record *D) : TypedInit(new RecordRecTy(D)), Def(D) {}
-
- virtual Init *convertInitializerTo(RecTy *Ty) {
- return Ty->convertValue(this);
- }
-
- Record *getDef() const { return Def; }
-
- //virtual Init *convertInitializerBitRange(const std::vector<unsigned> &Bits);
-
- virtual RecTy *getFieldType(const std::string &FieldName) const;
- virtual 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 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;
- }
-};
-
-
-/// FieldInit - X.Y - Represent a reference to a subfield of a variable
-///
-class FieldInit : public TypedInit {
- 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) {
- assert(getType() && "FieldInit with non-record type!");
- }
-
- 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);
-
- virtual Init *resolveReferences(Record &R, const RecordVal *RV);
-
- 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
-//===----------------------------------------------------------------------===//
-
-class RecordVal {
- std::string Name;
- RecTy *Ty;
- unsigned Prefix;
- Init *Value;
-public:
- RecordVal(const std::string &N, RecTy *T, unsigned P);
-
- const std::string &getName() const { return Name; }
-
- unsigned getPrefix() const { return Prefix; }
- RecTy *getType() const { return Ty; }
- Init *getValue() const { return Value; }
-
- bool setValue(Init *V) {
- if (V) {
- Value = V->convertInitializerTo(Ty);
- return Value == 0;
- }
- Value = 0;
- return false;
- }
-
- void dump() const;
- void print(raw_ostream &OS, bool PrintSem = true) const;
-};
-
-inline raw_ostream &operator<<(raw_ostream &OS, const RecordVal &RV) {
- RV.print(OS << " ");
- return OS;
-}
-
-class Record {
- static unsigned LastID;
-
- // Unique record ID.
- unsigned ID;
- std::string Name;
- 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:
-
- // 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(StringRef Name) const {
- for (unsigned i = 0, e = TemplateArgs.size(); i != e; ++i)
- if (TemplateArgs[i] == Name) return true;
- return false;
- }
-
- 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(StringRef Name) {
- for (unsigned i = 0, e = Values.size(); i != e; ++i)
- if (Values[i].getName() == Name) return &Values[i];
- return 0;
- }
-
- void addTemplateArg(StringRef Name) {
- assert(!isTemplateArg(Name) && "Template arg already defined!");
- TemplateArgs.push_back(Name);
- }
-
- void addValue(const RecordVal &RV) {
- assert(getValue(RV.getName()) == 0 && "Value already added!");
- Values.push_back(RV);
- }
-
- 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 && "Cannot remove an entry that does not exist!");
- }
-
- bool isSubClassOf(const Record *R) const {
- for (unsigned i = 0, e = SuperClasses.size(); i != e; ++i)
- if (SuperClasses[i] == R)
- 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;
- }
-
- void addSuperClass(Record *R) {
- assert(!isSubClassOf(R) && "Already subclassing record!");
- 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() { 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;
-
- //===--------------------------------------------------------------------===//
- // 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;
-
- /// 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(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;
-};
-
-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)
- delete I->second;
- for (std::map<std::string, Record*>::iterator I = Defs.begin(),
- 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; }
-
- Record *getClass(const std::string &Name) const {
- std::map<std::string, Record*>::const_iterator I = Classes.find(Name);
- return I == Classes.end() ? 0 : I->second;
- }
- Record *getDef(const std::string &Name) const {
- std::map<std::string, Record*>::const_iterator I = Defs.find(Name);
- return I == Defs.end() ? 0 : I->second;
- }
- void addClass(Record *R) {
- assert(getClass(R->getName()) == 0 && "Class already exists!");
- Classes.insert(std::make_pair(R->getName(), R));
- }
- void addDef(Record *R) {
- assert(getDef(R->getName()) == 0 && "Def already exists!");
- 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;
-};
-
-/// 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");
- }
-};
-
-raw_ostream &operator<<(raw_ostream &OS, const RecordKeeper &RK);
-
-} // End llvm namespace
-
-#endif
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