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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4845 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-12-02 16:13:23 +00:00
parent 737ae6ea61
commit 07278e48dc
2 changed files with 88 additions and 0 deletions
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44
support/tools/TableGen/Record.h
View File

@ -48,6 +48,9 @@ inline std::ostream &operator<<(std::ostream &OS, const RecTy &Ty) {
return OS; return OS;
} }
/// BitRecTy - 'bit' - Represent a single bit
///
struct BitRecTy : public RecTy { struct BitRecTy : public RecTy {
Init *convertValue(UnsetInit *UI) { return (Init*)UI; } Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
Init *convertValue(BitInit *BI) { return (Init*)BI; } Init *convertValue(BitInit *BI) { return (Init*)BI; }
@ -58,6 +61,9 @@ struct BitRecTy : public RecTy {
void print(std::ostream &OS) const { OS << "bit"; } void print(std::ostream &OS) const { OS << "bit"; }
}; };
/// BitsRecTy - 'bits<n>' - Represent a fixed number of bits
///
class BitsRecTy : public RecTy { class BitsRecTy : public RecTy {
unsigned Size; unsigned Size;
public: public:
@ -74,6 +80,9 @@ public:
void print(std::ostream &OS) const { OS << "bits<" << Size << ">"; } void print(std::ostream &OS) const { OS << "bits<" << Size << ">"; }
}; };
/// IntRecTy - 'int' - Represent an integer value of no particular size
///
struct IntRecTy : public RecTy { struct IntRecTy : public RecTy {
Init *convertValue(UnsetInit *UI) { return (Init*)UI; } Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
Init *convertValue(IntInit *II) { return (Init*)II; } Init *convertValue(IntInit *II) { return (Init*)II; }
@ -83,6 +92,8 @@ struct IntRecTy : public RecTy {
void print(std::ostream &OS) const { OS << "int"; } void print(std::ostream &OS) const { OS << "int"; }
}; };
/// StringRecTy - 'string' - Represent an string value
///
struct StringRecTy : public RecTy { struct StringRecTy : public RecTy {
Init *convertValue(UnsetInit *UI) { return (Init*)UI; } Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
Init *convertValue(StringInit *SI) { return (Init*)SI; } Init *convertValue(StringInit *SI) { return (Init*)SI; }
@ -90,6 +101,9 @@ struct StringRecTy : public RecTy {
void print(std::ostream &OS) const { OS << "string"; } void print(std::ostream &OS) const { OS << "string"; }
}; };
/// ListRecTy - 'list<class>' - Represent a list defs, all of which must be
/// derived from the specified class.
///
class ListRecTy : public RecTy { class ListRecTy : public RecTy {
Record *Class; Record *Class;
public: public:
@ -100,6 +114,9 @@ public:
void print(std::ostream &OS) const; void print(std::ostream &OS) const;
}; };
/// RecordRecTy - '<classname>' - Represent an instance of a class, such as:
/// (R32 X = EAX).
///
class RecordRecTy : public RecTy { class RecordRecTy : public RecTy {
Record *Rec; Record *Rec;
public: public:
@ -111,6 +128,8 @@ public:
void print(std::ostream &OS) const; void print(std::ostream &OS) const;
}; };
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
// Initializer Classes // Initializer Classes
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
@ -134,6 +153,9 @@ inline std::ostream &operator<<(std::ostream &OS, const Init &I) {
I.print(OS); return OS; I.print(OS); return OS;
} }
/// UnsetInit - ? - Represents an uninitialized value
///
struct UnsetInit : public Init { struct UnsetInit : public Init {
virtual Init *convertInitializerTo(RecTy *Ty) { virtual Init *convertInitializerTo(RecTy *Ty) {
return Ty->convertValue(this); return Ty->convertValue(this);
@ -143,6 +165,9 @@ struct UnsetInit : public Init {
virtual void print(std::ostream &OS) const { OS << "?"; } virtual void print(std::ostream &OS) const { OS << "?"; }
}; };
/// BitInit - true/false - Represent a concrete initializer for a bit.
///
class BitInit : public Init { class BitInit : public Init {
bool Value; bool Value;
public: public:
@ -158,6 +183,9 @@ public:
virtual void print(std::ostream &OS) const { OS << (Value ? "1" : "0"); } 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 { class BitsInit : public Init {
std::vector<Init*> Bits; std::vector<Init*> Bits;
public: public:
@ -195,6 +223,9 @@ public:
bool printAsUnset(std::ostream &OS) const; bool printAsUnset(std::ostream &OS) const;
}; };
/// IntInit - 7 - Represent an initalization by a literal integer value.
///
class IntInit : public Init { class IntInit : public Init {
int Value; int Value;
public: public:
@ -211,6 +242,9 @@ public:
virtual void print(std::ostream &OS) const { OS << Value; } virtual void print(std::ostream &OS) const { OS << Value; }
}; };
/// StringInit - "foo" - Represent an initialization by a string value.
///
class StringInit : public Init { class StringInit : public Init {
std::string Value; std::string Value;
public: public:
@ -224,6 +258,8 @@ public:
virtual void print(std::ostream &OS) const { OS << "\"" << Value << "\""; } virtual void print(std::ostream &OS) const { OS << "\"" << Value << "\""; }
}; };
/// ListInit - [AL, AH, CL] - Represent a list of defs
///
class ListInit : public Init { class ListInit : public Init {
std::vector<Record*> Records; std::vector<Record*> Records;
public: public:
@ -245,6 +281,8 @@ public:
virtual void print(std::ostream &OS) const; virtual void print(std::ostream &OS) const;
}; };
/// VarInit - 'Opcode' - Represent a reference to an entire variable object.
///
class VarInit : public Init { class VarInit : public Init {
std::string VarName; std::string VarName;
RecTy *Ty; RecTy *Ty;
@ -264,6 +302,9 @@ public:
virtual void print(std::ostream &OS) const { OS << VarName; } virtual void print(std::ostream &OS) const { OS << VarName; }
}; };
/// VarBitInit - Opcode{0} - Represent access to one bit of a variable
///
class VarBitInit : public Init { class VarBitInit : public Init {
VarInit *VI; VarInit *VI;
unsigned Bit; unsigned Bit;
@ -284,6 +325,9 @@ public:
virtual Init *resolveReferences(Record &R); virtual Init *resolveReferences(Record &R);
}; };
/// DefInit - AL - Represent a reference to a 'def' in the description
///
class DefInit : public Init { class DefInit : public Init {
Record *Def; Record *Def;
public: public:

44
utils/TableGen/Record.h
View File

@ -48,6 +48,9 @@ inline std::ostream &operator<<(std::ostream &OS, const RecTy &Ty) {
return OS; return OS;
} }
/// BitRecTy - 'bit' - Represent a single bit
///
struct BitRecTy : public RecTy { struct BitRecTy : public RecTy {
Init *convertValue(UnsetInit *UI) { return (Init*)UI; } Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
Init *convertValue(BitInit *BI) { return (Init*)BI; } Init *convertValue(BitInit *BI) { return (Init*)BI; }
@ -58,6 +61,9 @@ struct BitRecTy : public RecTy {
void print(std::ostream &OS) const { OS << "bit"; } void print(std::ostream &OS) const { OS << "bit"; }
}; };
/// BitsRecTy - 'bits<n>' - Represent a fixed number of bits
///
class BitsRecTy : public RecTy { class BitsRecTy : public RecTy {
unsigned Size; unsigned Size;
public: public:
@ -74,6 +80,9 @@ public:
void print(std::ostream &OS) const { OS << "bits<" << Size << ">"; } void print(std::ostream &OS) const { OS << "bits<" << Size << ">"; }
}; };
/// IntRecTy - 'int' - Represent an integer value of no particular size
///
struct IntRecTy : public RecTy { struct IntRecTy : public RecTy {
Init *convertValue(UnsetInit *UI) { return (Init*)UI; } Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
Init *convertValue(IntInit *II) { return (Init*)II; } Init *convertValue(IntInit *II) { return (Init*)II; }
@ -83,6 +92,8 @@ struct IntRecTy : public RecTy {
void print(std::ostream &OS) const { OS << "int"; } void print(std::ostream &OS) const { OS << "int"; }
}; };
/// StringRecTy - 'string' - Represent an string value
///
struct StringRecTy : public RecTy { struct StringRecTy : public RecTy {
Init *convertValue(UnsetInit *UI) { return (Init*)UI; } Init *convertValue(UnsetInit *UI) { return (Init*)UI; }
Init *convertValue(StringInit *SI) { return (Init*)SI; } Init *convertValue(StringInit *SI) { return (Init*)SI; }
@ -90,6 +101,9 @@ struct StringRecTy : public RecTy {
void print(std::ostream &OS) const { OS << "string"; } void print(std::ostream &OS) const { OS << "string"; }
}; };
/// ListRecTy - 'list<class>' - Represent a list defs, all of which must be
/// derived from the specified class.
///
class ListRecTy : public RecTy { class ListRecTy : public RecTy {
Record *Class; Record *Class;
public: public:
@ -100,6 +114,9 @@ public:
void print(std::ostream &OS) const; void print(std::ostream &OS) const;
}; };
/// RecordRecTy - '<classname>' - Represent an instance of a class, such as:
/// (R32 X = EAX).
///
class RecordRecTy : public RecTy { class RecordRecTy : public RecTy {
Record *Rec; Record *Rec;
public: public:
@ -111,6 +128,8 @@ public:
void print(std::ostream &OS) const; void print(std::ostream &OS) const;
}; };
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
// Initializer Classes // Initializer Classes
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
@ -134,6 +153,9 @@ inline std::ostream &operator<<(std::ostream &OS, const Init &I) {
I.print(OS); return OS; I.print(OS); return OS;
} }
/// UnsetInit - ? - Represents an uninitialized value
///
struct UnsetInit : public Init { struct UnsetInit : public Init {
virtual Init *convertInitializerTo(RecTy *Ty) { virtual Init *convertInitializerTo(RecTy *Ty) {
return Ty->convertValue(this); return Ty->convertValue(this);
@ -143,6 +165,9 @@ struct UnsetInit : public Init {
virtual void print(std::ostream &OS) const { OS << "?"; } virtual void print(std::ostream &OS) const { OS << "?"; }
}; };
/// BitInit - true/false - Represent a concrete initializer for a bit.
///
class BitInit : public Init { class BitInit : public Init {
bool Value; bool Value;
public: public:
@ -158,6 +183,9 @@ public:
virtual void print(std::ostream &OS) const { OS << (Value ? "1" : "0"); } 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 { class BitsInit : public Init {
std::vector<Init*> Bits; std::vector<Init*> Bits;
public: public:
@ -195,6 +223,9 @@ public:
bool printAsUnset(std::ostream &OS) const; bool printAsUnset(std::ostream &OS) const;
}; };
/// IntInit - 7 - Represent an initalization by a literal integer value.
///
class IntInit : public Init { class IntInit : public Init {
int Value; int Value;
public: public:
@ -211,6 +242,9 @@ public:
virtual void print(std::ostream &OS) const { OS << Value; } virtual void print(std::ostream &OS) const { OS << Value; }
}; };
/// StringInit - "foo" - Represent an initialization by a string value.
///
class StringInit : public Init { class StringInit : public Init {
std::string Value; std::string Value;
public: public:
@ -224,6 +258,8 @@ public:
virtual void print(std::ostream &OS) const { OS << "\"" << Value << "\""; } virtual void print(std::ostream &OS) const { OS << "\"" << Value << "\""; }
}; };
/// ListInit - [AL, AH, CL] - Represent a list of defs
///
class ListInit : public Init { class ListInit : public Init {
std::vector<Record*> Records; std::vector<Record*> Records;
public: public:
@ -245,6 +281,8 @@ public:
virtual void print(std::ostream &OS) const; virtual void print(std::ostream &OS) const;
}; };
/// VarInit - 'Opcode' - Represent a reference to an entire variable object.
///
class VarInit : public Init { class VarInit : public Init {
std::string VarName; std::string VarName;
RecTy *Ty; RecTy *Ty;
@ -264,6 +302,9 @@ public:
virtual void print(std::ostream &OS) const { OS << VarName; } virtual void print(std::ostream &OS) const { OS << VarName; }
}; };
/// VarBitInit - Opcode{0} - Represent access to one bit of a variable
///
class VarBitInit : public Init { class VarBitInit : public Init {
VarInit *VI; VarInit *VI;
unsigned Bit; unsigned Bit;
@ -284,6 +325,9 @@ public:
virtual Init *resolveReferences(Record &R); virtual Init *resolveReferences(Record &R);
}; };
/// DefInit - AL - Represent a reference to a 'def' in the description
///
class DefInit : public Init { class DefInit : public Init {
Record *Def; Record *Def;
public: public: