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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

View File

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

View File

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