mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-11-08 19:06:39 +00:00
990db46e9a
making it easier to write patterns without lots of extraneous parens git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7714 91177308-0d34-0410-b5e6-96231b3b80d8
850 lines
26 KiB
C++
850 lines
26 KiB
C++
//===- Record.h - Classes to represent Table Records ------------*- C++ -*-===//
|
|
//
|
|
// 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 <map>
|
|
#include <iostream>
|
|
#include <cassert>
|
|
|
|
// 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 DefInit;
|
|
class DagInit;
|
|
class TypedInit;
|
|
class VarInit;
|
|
class FieldInit;
|
|
class VarBitInit;
|
|
|
|
// Other classes...
|
|
class Record;
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Type Classes
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
struct RecTy {
|
|
virtual ~RecTy() {}
|
|
|
|
virtual void print(std::ostream &OS) const = 0;
|
|
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( 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 std::ostream &operator<<(std::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; }
|
|
|
|
void print(std::ostream &OS) const { OS << "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; }
|
|
};
|
|
|
|
|
|
/// BitsRecTy - 'bits<n>' - Represent a fixed number of bits
|
|
///
|
|
class BitsRecTy : public RecTy {
|
|
unsigned Size;
|
|
public:
|
|
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);
|
|
|
|
void print(std::ostream &OS) const { OS << "bits<" << Size << ">"; }
|
|
|
|
bool typeIsConvertibleTo(const RecTy *RHS) const {
|
|
return RHS->baseClassOf(this);
|
|
}
|
|
virtual bool baseClassOf(const BitRecTy *RHS) const { return Size == 1; }
|
|
virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
|
|
virtual bool baseClassOf(const BitsRecTy *RHS) const {
|
|
return RHS->Size == 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(BitInit *BI);
|
|
Init *convertValue(BitsInit *BI);
|
|
Init *convertValue(TypedInit *TI);
|
|
|
|
void print(std::ostream &OS) const { OS << "int"; }
|
|
|
|
bool typeIsConvertibleTo(const RecTy *RHS) const {
|
|
return RHS->baseClassOf(this);
|
|
}
|
|
|
|
virtual bool baseClassOf(const BitRecTy *RHS) const { return true; }
|
|
virtual bool baseClassOf(const IntRecTy *RHS) const { return true; }
|
|
virtual bool baseClassOf(const BitsRecTy *RHS) const { return true; }
|
|
};
|
|
|
|
/// StringRecTy - 'string' - Represent an string value
|
|
///
|
|
struct StringRecTy : public RecTy {
|
|
Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
|
|
Init *convertValue(StringInit *SI) { return (Init*)SI; }
|
|
Init *convertValue(TypedInit *TI);
|
|
void print(std::ostream &OS) const { OS << "string"; }
|
|
|
|
bool typeIsConvertibleTo(const RecTy *RHS) const {
|
|
return RHS->baseClassOf(this);
|
|
}
|
|
|
|
virtual bool baseClassOf(const StringRecTy *RHS) const { return true; }
|
|
};
|
|
|
|
/// ListRecTy - 'list<Ty>' - Represent a list of values, all of which must be of
|
|
/// the specified type.
|
|
///
|
|
class ListRecTy : public RecTy {
|
|
RecTy *Ty;
|
|
public:
|
|
ListRecTy(RecTy *T) : Ty(T) {}
|
|
|
|
RecTy *getElementType() const { return Ty; }
|
|
|
|
Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
|
|
Init *convertValue(ListInit *LI);
|
|
Init *convertValue(TypedInit *TI);
|
|
|
|
void print(std::ostream &OS) const;
|
|
|
|
bool typeIsConvertibleTo(const RecTy *RHS) const {
|
|
return RHS->baseClassOf(this);
|
|
}
|
|
|
|
virtual bool baseClassOf(const ListRecTy *RHS) const {
|
|
return RHS->getElementType()->typeIsConvertibleTo(Ty);
|
|
}
|
|
};
|
|
|
|
/// CodeRecTy - 'code' - Represent an code fragment, function or method.
|
|
///
|
|
struct CodeRecTy : public RecTy {
|
|
Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
|
|
Init *convertValue( CodeInit *CI) { return (Init*)CI; }
|
|
Init *convertValue(TypedInit *TI);
|
|
|
|
void print(std::ostream &OS) const { OS << "code"; }
|
|
|
|
bool typeIsConvertibleTo(const RecTy *RHS) const {
|
|
return RHS->baseClassOf(this);
|
|
}
|
|
virtual bool baseClassOf(const CodeRecTy *RHS) const { return true; }
|
|
};
|
|
|
|
/// DagRecTy - 'dag' - Represent a dag fragment
|
|
///
|
|
struct DagRecTy : public RecTy {
|
|
Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
|
|
Init *convertValue( DagInit *CI) { return (Init*)CI; }
|
|
Init *convertValue(TypedInit *TI);
|
|
|
|
void print(std::ostream &OS) const { OS << "dag"; }
|
|
|
|
bool typeIsConvertibleTo(const RecTy *RHS) const {
|
|
return RHS->baseClassOf(this);
|
|
}
|
|
virtual bool baseClassOf(const DagRecTy *RHS) const { return true; }
|
|
};
|
|
|
|
|
|
/// 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) {}
|
|
|
|
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;
|
|
|
|
bool typeIsConvertibleTo(const RecTy *RHS) const {
|
|
return RHS->baseClassOf(this);
|
|
}
|
|
virtual bool baseClassOf(const RecordRecTy *RHS) const;
|
|
};
|
|
|
|
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Initializer Classes
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
struct Init {
|
|
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.
|
|
virtual void print(std::ostream &OS) const = 0;
|
|
|
|
/// dump - Debugging method that may be called through a debugger, just
|
|
/// invokes print on cerr.
|
|
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;
|
|
}
|
|
|
|
/// 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 std::string &FieldName) const {
|
|
return 0;
|
|
}
|
|
|
|
/// resolveReferences - This method is used by classes that refer to other
|
|
/// variables which may not be defined at the time they expression is formed.
|
|
/// 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; }
|
|
};
|
|
|
|
inline std::ostream &operator<<(std::ostream &OS, const Init &I) {
|
|
I.print(OS); return OS;
|
|
}
|
|
|
|
|
|
/// UnsetInit - ? - Represents an uninitialized value
|
|
///
|
|
struct UnsetInit : public Init {
|
|
virtual Init *convertInitializerTo(RecTy *Ty) {
|
|
return Ty->convertValue(this);
|
|
}
|
|
|
|
virtual bool isComplete() const { return false; }
|
|
virtual void print(std::ostream &OS) const { OS << "?"; }
|
|
};
|
|
|
|
|
|
/// BitInit - true/false - Represent a concrete initializer for a bit.
|
|
///
|
|
class BitInit : public Init {
|
|
bool Value;
|
|
public:
|
|
BitInit(bool V) : Value(V) {}
|
|
|
|
bool getValue() const { return Value; }
|
|
|
|
virtual Init *convertInitializerTo(RecTy *Ty) {
|
|
return Ty->convertValue(this);
|
|
}
|
|
|
|
virtual void print(std::ostream &OS) const { OS << (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:
|
|
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;
|
|
}
|
|
virtual void print(std::ostream &OS) const;
|
|
|
|
virtual Init *resolveReferences(Record &R);
|
|
|
|
// 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;
|
|
};
|
|
|
|
|
|
/// IntInit - 7 - Represent an initalization by a literal integer value.
|
|
///
|
|
class IntInit : public Init {
|
|
int Value;
|
|
public:
|
|
IntInit(int V) : Value(V) {}
|
|
|
|
int 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; }
|
|
};
|
|
|
|
|
|
/// StringInit - "foo" - Represent an initialization by a string value.
|
|
///
|
|
class StringInit : public Init {
|
|
std::string Value;
|
|
public:
|
|
StringInit(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 << "\""; }
|
|
};
|
|
|
|
/// CodeInit - "[{...}]" - Represent a code fragment.
|
|
///
|
|
class CodeInit : public Init {
|
|
std::string Value;
|
|
public:
|
|
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 << "}]"; }
|
|
};
|
|
|
|
/// ListInit - [AL, AH, CL] - Represent a list of defs
|
|
///
|
|
class ListInit : public Init {
|
|
std::vector<Init*> Values;
|
|
public:
|
|
ListInit(std::vector<Init*> &Vs) {
|
|
Values.swap(Vs);
|
|
}
|
|
|
|
unsigned getSize() const { return Values.size(); }
|
|
Init *getElement(unsigned i) const {
|
|
assert(i < Values.size() && "List element index out of range!");
|
|
return Values[i];
|
|
}
|
|
|
|
virtual Init *convertInitializerTo(RecTy *Ty) {
|
|
return Ty->convertValue(this);
|
|
}
|
|
|
|
virtual void print(std::ostream &OS) 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) {}
|
|
|
|
RecTy *getType() const { return Ty; }
|
|
|
|
/// 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.
|
|
///
|
|
virtual Init *resolveBitReference(Record &R, unsigned Bit) = 0;
|
|
};
|
|
|
|
/// 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) {}
|
|
|
|
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 RecTy *getFieldType(const std::string &FieldName) const;
|
|
virtual Init *getFieldInit(Record &R, const std::string &FieldName) const;
|
|
|
|
/// resolveReferences - This method is used by classes that refer to other
|
|
/// variables which may not be defined at the time they expression is formed.
|
|
/// If a value is set for the variable later, this method will be called on
|
|
/// users of the value to allow the value to propagate out.
|
|
///
|
|
virtual Init *resolveReferences(Record &R);
|
|
|
|
virtual void print(std::ostream &OS) const { OS << VarName; }
|
|
};
|
|
|
|
|
|
/// 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 void print(std::ostream &OS) const {
|
|
TI->print(OS); OS << "{" << Bit << "}";
|
|
}
|
|
virtual Init *resolveReferences(Record &R);
|
|
};
|
|
|
|
|
|
/// DefInit - AL - Represent a reference to a 'def' in the description
|
|
///
|
|
class DefInit : public Init {
|
|
Record *Def;
|
|
public:
|
|
DefInit(Record *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 std::string &FieldName) const;
|
|
|
|
virtual void print(std::ostream &OS) const;
|
|
};
|
|
|
|
|
|
/// 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 *convertInitializerBitRange(const std::vector<unsigned> &Bits);
|
|
|
|
virtual Init *resolveBitReference(Record &R, unsigned Bit);
|
|
|
|
virtual Init *resolveReferences(Record &R);
|
|
|
|
virtual void print(std::ostream &OS) const {
|
|
Rec->print(OS); OS << "." << FieldName;
|
|
}
|
|
};
|
|
|
|
/// DagInit - (def a, b) - Represent a DAG tree value. DAG inits are required
|
|
/// to have Records for their first value, after that, any legal Init is
|
|
/// possible.
|
|
///
|
|
class DagInit : public Init {
|
|
Record *NodeTypeDef;
|
|
std::vector<Init*> Args;
|
|
std::vector<std::string> ArgNames;
|
|
public:
|
|
DagInit(Record *D, const std::vector<std::pair<Init*, std::string> > &args)
|
|
: NodeTypeDef(D) {
|
|
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);
|
|
}
|
|
}
|
|
|
|
virtual Init *convertInitializerTo(RecTy *Ty) {
|
|
return Ty->convertValue(this);
|
|
}
|
|
|
|
Record *getNodeType() const { return NodeTypeDef; }
|
|
|
|
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 void print(std::ostream &OS) const;
|
|
};
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// 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(std::ostream &OS, bool PrintSem = true) const;
|
|
};
|
|
|
|
inline std::ostream &operator<<(std::ostream &OS, const RecordVal &RV) {
|
|
RV.print(OS << " ");
|
|
return OS;
|
|
}
|
|
|
|
struct Record {
|
|
const std::string Name;
|
|
std::vector<std::string> TemplateArgs;
|
|
std::vector<RecordVal> Values;
|
|
std::vector<Record*> SuperClasses;
|
|
public:
|
|
|
|
Record(const std::string &N) : Name(N) {}
|
|
~Record() {}
|
|
|
|
const std::string &getName() const { return Name; }
|
|
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 {
|
|
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 {
|
|
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) {
|
|
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) {
|
|
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(const std::string &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(Record *R) const {
|
|
for (unsigned i = 0, e = SuperClasses.size(); i != e; ++i)
|
|
if (SuperClasses[i] == R)
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
bool isSubClassOf(const std::string &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();
|
|
|
|
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(const std::string &FieldName) const;
|
|
|
|
/// getValueAsString - This method looks up the specified field and returns
|
|
/// its value as a string, throwing an exception if the field does not exist
|
|
/// or if the value is not a string.
|
|
///
|
|
std::string getValueAsString(const std::string &FieldName) const;
|
|
|
|
/// getValueAsBitsInit - This method looks up the specified field and returns
|
|
/// its value as a BitsInit, throwing an exception if the field does not exist
|
|
/// or if the value is not the right type.
|
|
///
|
|
BitsInit *getValueAsBitsInit(const std::string &FieldName) const;
|
|
|
|
/// getValueAsListInit - This method looks up the specified field and returns
|
|
/// its value as a ListInit, throwing an exception if the field does not exist
|
|
/// or if the value is not the right type.
|
|
///
|
|
ListInit *getValueAsListInit(const std::string &FieldName) const;
|
|
|
|
/// getValueAsDef - This method looks up the specified field and returns its
|
|
/// value as a Record, throwing an exception if the field does not exist or if
|
|
/// the value is not the right type.
|
|
///
|
|
Record *getValueAsDef(const std::string &FieldName) const;
|
|
|
|
/// getValueAsBit - This method looks up the specified field and returns its
|
|
/// value as a bit, throwing an exception if the field does not exist or if
|
|
/// the value is not the right type.
|
|
///
|
|
bool getValueAsBit(const std::string &FieldName) const;
|
|
|
|
/// getValueAsInt - This method looks up the specified field and returns its
|
|
/// value as an int, throwing an exception if the field does not exist or if
|
|
/// the value is not the right type.
|
|
///
|
|
int getValueAsInt(const std::string &FieldName) const;
|
|
|
|
/// getValueAsDag - This method looks up the specified field and returns its
|
|
/// value as an Dag, throwing an exception if the field does not exist or if
|
|
/// the value is not the right type.
|
|
///
|
|
DagInit *getValueAsDag(const std::string &FieldName) const;
|
|
};
|
|
|
|
std::ostream &operator<<(std::ostream &OS, const Record &R);
|
|
|
|
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));
|
|
}
|
|
|
|
//===--------------------------------------------------------------------===//
|
|
// 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);
|
|
|
|
extern RecordKeeper Records;
|
|
|
|
#endif
|