lopcodes.h File Reference

#include <lua/llimits.h>

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Defines
#define	SIZE_C   9
#define	SIZE_B   9
#define	SIZE_Bx   (SIZE_C + SIZE_B)
#define	SIZE_A   8
#define	SIZE_OP   6
#define	POS_OP   0
#define	POS_A   (POS_OP + SIZE_OP)
#define	POS_C   (POS_A + SIZE_A)
#define	POS_B   (POS_C + SIZE_C)
#define	POS_Bx   POS_C
#define	MAXARG_Bx   MAX_INT
#define	MAXARG_sBx   MAX_INT
#define	MAXARG_A   ((1<<SIZE_A)-1)
#define	MAXARG_B   ((1<<SIZE_B)-1)
#define	MAXARG_C   ((1<<SIZE_C)-1)
#define	MASK1(n, p)   ((~((~(Instruction)0)<<n))<<p)
#define	MASK0(n, p)   (~MASK1(n,p))
#define	GET_OPCODE(i)   (cast(OpCode, ((i)>>POS_OP) & MASK1(SIZE_OP,0)))
#define	SET_OPCODE(i, o)
#define	GETARG_A(i)   (cast(int, ((i)>>POS_A) & MASK1(SIZE_A,0)))
#define	SETARG_A(i, u)
#define	GETARG_B(i)   (cast(int, ((i)>>POS_B) & MASK1(SIZE_B,0)))
#define	SETARG_B(i, b)
#define	GETARG_C(i)   (cast(int, ((i)>>POS_C) & MASK1(SIZE_C,0)))
#define	SETARG_C(i, b)
#define	GETARG_Bx(i)   (cast(int, ((i)>>POS_Bx) & MASK1(SIZE_Bx,0)))
#define	SETARG_Bx(i, b)
#define	GETARG_sBx(i)   (GETARG_Bx(i)-MAXARG_sBx)
#define	SETARG_sBx(i, b)   SETARG_Bx((i),cast(unsigned int, (b)+MAXARG_sBx))
#define	CREATE_ABC(o, a, b, c)
#define	CREATE_ABx(o, a, bc)
#define	BITRK   (1 << (SIZE_B - 1))
#define	ISK(x)   ((x) & BITRK)
#define	INDEXK(r)   ((int)(r) & ~BITRK)
#define	MAXINDEXRK   (BITRK - 1)
#define	RKASK(x)   ((x) | BITRK)
#define	NO_REG   MAXARG_A
#define	NUM_OPCODES   (cast(int, OP_VARARG) + 1)
#define	getOpMode(m)   (cast(enum OpMode, luaP_opmodes[m] & 3))
#define	getBMode(m)   (cast(enum OpArgMask, (luaP_opmodes[m] >> 4) & 3))
#define	getCMode(m)   (cast(enum OpArgMask, (luaP_opmodes[m] >> 2) & 3))
#define	testAMode(m)   (luaP_opmodes[m] & (1 << 6))
#define	testTMode(m)   (luaP_opmodes[m] & (1 << 7))
#define	LFIELDS_PER_FLUSH   50
Enumerations
enum	OpMode { iABC, iABx, iAsBx }
enum	OpCode {   OP_MOVE, OP_LOADK, OP_LOADBOOL, OP_LOADNIL,   OP_GETUPVAL, OP_GETGLOBAL, OP_GETTABLE, OP_SETGLOBAL,   OP_SETUPVAL, OP_SETTABLE, OP_NEWTABLE, OP_SELF,   OP_ADD, OP_SUB, OP_MUL, OP_DIV,   OP_MOD, OP_POW, OP_UNM, OP_NOT,   OP_LEN, OP_CONCAT, OP_JMP, OP_EQ,   OP_LT, OP_LE, OP_TEST, OP_TESTSET,   OP_CALL, OP_TAILCALL, OP_RETURN, OP_FORLOOP,   OP_FORPREP, OP_TFORLOOP, OP_SETLIST, OP_CLOSE,   OP_CLOSURE, OP_VARARG }
enum	OpArgMask { OpArgN, OpArgU, OpArgR, OpArgK }
Variables
LUAI_DATA const lu_byte	luaP_opmodes [NUM_OPCODES]
LUAI_DATA const char *const	luaP_opnames [NUM_OPCODES+1]

---

Define Documentation

#define SIZE_C   9

#define SIZE_B   9

#define SIZE_Bx   (SIZE_C + SIZE_B)

#define SIZE_A   8

#define SIZE_OP   6

#define POS_OP   0

#define POS_A   (POS_OP + SIZE_OP)

#define POS_C   (POS_A + SIZE_A)

#define POS_B   (POS_C + SIZE_C)

#define POS_Bx   POS_C

#define MAXARG_Bx   MAX_INT

#define MAXARG_sBx   MAX_INT

#define MAXARG_A   ((1<<SIZE_A)-1)

#define MAXARG_B   ((1<<SIZE_B)-1)

#define MAXARG_C   ((1<<SIZE_C)-1)

#define MASK1	(		n,
			p
	)		((~((~(Instruction)0)<<n))<<p)

#define MASK0	(		n,
			p
	)		(~MASK1(n,p))

#define GET_OPCODE

(

i

)

(cast(OpCode, ((i)>>POS_OP) & MASK1(SIZE_OP,0)))

#define SET_OPCODE	(		i,
			o
	)

Value:

((i) = (((i)&MASK0(SIZE_OP,POS_OP)) | \
        ((cast(Instruction, o)<<POS_OP)&MASK1(SIZE_OP,POS_OP))))

#define GETARG_A

(

i

)

(cast(int, ((i)>>POS_A) & MASK1(SIZE_A,0)))

#define SETARG_A	(		i,
			u
	)

Value:

((i) = (((i)&MASK0(SIZE_A,POS_A)) | \
        ((cast(Instruction, u)<<POS_A)&MASK1(SIZE_A,POS_A))))

#define GETARG_B

(

i

)

(cast(int, ((i)>>POS_B) & MASK1(SIZE_B,0)))

#define SETARG_B	(		i,
			b
	)

Value:

((i) = (((i)&MASK0(SIZE_B,POS_B)) | \
        ((cast(Instruction, b)<<POS_B)&MASK1(SIZE_B,POS_B))))

#define GETARG_C

(

i

)

(cast(int, ((i)>>POS_C) & MASK1(SIZE_C,0)))

#define SETARG_C	(		i,
			b
	)

Value:

((i) = (((i)&MASK0(SIZE_C,POS_C)) | \
        ((cast(Instruction, b)<<POS_C)&MASK1(SIZE_C,POS_C))))

#define GETARG_Bx

(

i

)

(cast(int, ((i)>>POS_Bx) & MASK1(SIZE_Bx,0)))

#define SETARG_Bx	(		i,
			b
	)

Value:

((i) = (((i)&MASK0(SIZE_Bx,POS_Bx)) | \
        ((cast(Instruction, b)<<POS_Bx)&MASK1(SIZE_Bx,POS_Bx))))

#define GETARG_sBx

(

i

)

(GETARG_Bx(i)-MAXARG_sBx)

#define SETARG_sBx	(		i,
			b
	)		SETARG_Bx((i),cast(unsigned int, (b)+MAXARG_sBx))

#define CREATE_ABC	(		o,
			a,
			b,
			c
	)

Value:

((cast(Instruction, o)<<POS_OP) \
            | (cast(Instruction, a)<<POS_A) \
            | (cast(Instruction, b)<<POS_B) \
            | (cast(Instruction, c)<<POS_C))

#define CREATE_ABx	(		o,
			a,
			bc
	)

Value:

((cast(Instruction, o)<<POS_OP) \
            | (cast(Instruction, a)<<POS_A) \
            | (cast(Instruction, bc)<<POS_Bx))

#define BITRK   (1 << (SIZE_B - 1))

#define ISK

(

x

)

((x) & BITRK)

#define INDEXK

(

r

)

((int)(r) & ~BITRK)

#define MAXINDEXRK   (BITRK - 1)

#define RKASK

(

x

)

((x) | BITRK)

#define NO_REG   MAXARG_A

#define NUM_OPCODES   (cast(int, OP_VARARG) + 1)

#define getOpMode

(

m

)

(cast(enum OpMode, luaP_opmodes[m] & 3))

#define getBMode

(

m

)

(cast(enum OpArgMask, (luaP_opmodes[m] >> 4) & 3))

#define getCMode

(

m

)

(cast(enum OpArgMask, (luaP_opmodes[m] >> 2) & 3))

#define testAMode

(

m

)

(luaP_opmodes[m] & (1 << 6))

#define testTMode

(

m

)

(luaP_opmodes[m] & (1 << 7))

#define LFIELDS_PER_FLUSH   50

---

Enumeration Type Documentation

enum OpMode

Enumerator:

iABC
iABx
iAsBx

enum OpCode

Enumerator:

OP_MOVE
OP_LOADK
OP_LOADBOOL
OP_LOADNIL
OP_GETUPVAL
OP_GETGLOBAL
OP_GETTABLE
OP_SETGLOBAL
OP_SETUPVAL
OP_SETTABLE
OP_NEWTABLE
OP_SELF
OP_ADD
OP_SUB
OP_MUL
OP_DIV
OP_MOD
OP_POW
OP_UNM
OP_NOT
OP_LEN
OP_CONCAT
OP_JMP
OP_EQ
OP_LT
OP_LE
OP_TEST
OP_TESTSET
OP_CALL
OP_TAILCALL
OP_RETURN
OP_FORLOOP
OP_FORPREP
OP_TFORLOOP
OP_SETLIST
OP_CLOSE
OP_CLOSURE
OP_VARARG

enum OpArgMask

Enumerator:

OpArgN
OpArgU
OpArgR
OpArgK

---

Variable Documentation

LUAI_DATA const lu_byte luaP_opmodes[NUM_OPCODES]

LUAI_DATA const char* const luaP_opnames[NUM_OPCODES+1]