lopcodes.h File Reference

#include "llimits.h"

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Macros
#define	SIZE_C   9
#define	SIZE_B   9
#define	SIZE_Bx   (SIZE_C + SIZE_B)
#define	SIZE_A   8
#define	SIZE_Ax   (SIZE_C + SIZE_B + SIZE_A)
#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	POS_Ax   POS_A
#define	MAXARG_Bx   MAX_INT
#define	MAXARG_sBx   MAX_INT
#define	MAXARG_Ax   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(i, pos, size)   (cast(int, ((i)>>pos) & MASK1(size,0)))
#define	setarg(i, v, pos, size)
#define	GETARG_A(i)   getarg(i, POS_A, SIZE_A)
#define	SETARG_A(i, v)   setarg(i, v, POS_A, SIZE_A)
#define	GETARG_B(i)   getarg(i, POS_B, SIZE_B)
#define	SETARG_B(i, v)   setarg(i, v, POS_B, SIZE_B)
#define	GETARG_C(i)   getarg(i, POS_C, SIZE_C)
#define	SETARG_C(i, v)   setarg(i, v, POS_C, SIZE_C)
#define	GETARG_Bx(i)   getarg(i, POS_Bx, SIZE_Bx)
#define	SETARG_Bx(i, v)   setarg(i, v, POS_Bx, SIZE_Bx)
#define	GETARG_Ax(i)   getarg(i, POS_Ax, SIZE_Ax)
#define	SETARG_Ax(i, v)   setarg(i, v, POS_Ax, SIZE_Ax)
#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	CREATE_Ax(o, a)
#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_EXTRAARG) + 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, iAx }
enum	OpCode {   OP_MOVE, OP_LOADK, OP_LOADKX, OP_LOADBOOL,   OP_LOADNIL, OP_GETUPVAL, OP_GETTABUP, OP_GETTABLE,   OP_SETTABUP, 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_TFORCALL, OP_TFORLOOP,   OP_SETLIST, OP_CLOSURE, OP_VARARG, OP_EXTRAARG }
enum	OpArgMask { OpArgN, OpArgU, OpArgR, OpArgK }

Variables
LUAI_DDEC const lu_byte	luaP_opmodes [NUM_OPCODES]
LUAI_DDEC const char *const	luaP_opnames [NUM_OPCODES+1]

Macro Definition Documentation

#define BITRK   (1 << (SIZE_B - 1))

Definition at line 133 of file lopcodes.h.

#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))

Definition at line 115 of file lopcodes.h.

Referenced by luaK_codeABC(), and patchtestreg().

#define CREATE_ABx	(		o,
			a,
			bc
	)

Value:

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

Definition at line 120 of file lopcodes.h.

Referenced by luaK_codeABx().

#define CREATE_Ax	(		o,
			a
	)

Value:

((cast(Instruction, o)<<POS_OP) \
            | (cast(Instruction, a)<<POS_Ax))

Definition at line 124 of file lopcodes.h.

Referenced by codeextraarg().

#define GET_OPCODE

(

i

)

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

Definition at line 88 of file lopcodes.h.

Referenced by callhook(), findsetreg(), getfuncname(), getjumpcontrol(), getobjname(), invertjump(), jumponcond(), luaK_nil(), luaK_patchclose(), luaK_posfix(), luaV_execute(), luaV_finishOp(), need_value(), patchtestreg(), and PrintCode().

#define getarg	(		i,
			pos,
			size
	)		(cast(int, ((i)>>pos) & MASK1(size,0)))

Definition at line 92 of file lopcodes.h.

#define GETARG_A

(

i

)

getarg(i, POS_A, SIZE_A)

Definition at line 96 of file lopcodes.h.

Referenced by findsetreg(), getfuncname(), getobjname(), invertjump(), luaK_nil(), luaK_patchclose(), luaK_setoneret(), luaV_execute(), luaV_finishOp(), PrintCode(), and retstat().

#define GETARG_Ax

(

i

)

getarg(i, POS_Ax, SIZE_Ax)

Definition at line 108 of file lopcodes.h.

Referenced by getobjname(), luaV_execute(), and PrintCode().

#define GETARG_B

(

i

)

getarg(i, POS_B, SIZE_B)

Definition at line 99 of file lopcodes.h.

Referenced by findsetreg(), getobjname(), jumponcond(), luaK_nil(), luaK_posfix(), luaV_execute(), luaV_finishOp(), patchtestreg(), and PrintCode().

#define GETARG_Bx

(

i

)

getarg(i, POS_Bx, SIZE_Bx)

Definition at line 105 of file lopcodes.h.

Referenced by getobjname(), luaV_execute(), and PrintCode().

#define GETARG_C

(

i

)

getarg(i, POS_C, SIZE_C)

Definition at line 102 of file lopcodes.h.

Referenced by getobjname(), luaV_execute(), luaV_finishOp(), patchtestreg(), and PrintCode().

#define GETARG_sBx

(

i

)

(GETARG_Bx(i)-MAXARG_sBx)

Definition at line 111 of file lopcodes.h.

Referenced by findsetreg(), getjump(), luaV_execute(), and PrintCode().

#define getBMode

(

m

)

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

Definition at line 274 of file lopcodes.h.

Referenced by luaK_codeABC(), and PrintCode().

#define getCMode

(

m

)

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

Definition at line 275 of file lopcodes.h.

Referenced by luaK_codeABC(), luaK_codeABx(), and PrintCode().

#define getOpMode

(

m

)

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

Definition at line 273 of file lopcodes.h.

Referenced by luaK_codeABC(), luaK_codeABx(), and PrintCode().

#define INDEXK

(

r

)

((int)(r) & ~BITRK)

Definition at line 139 of file lopcodes.h.

Referenced by kname(), and PrintCode().

#define ISK

(

x

)

((x) & BITRK)

Definition at line 136 of file lopcodes.h.

Referenced by freereg(), kname(), luaV_finishOp(), and PrintCode().

#define LFIELDS_PER_FLUSH   50

Definition at line 284 of file lopcodes.h.

Referenced by closelistfield(), luaK_setlist(), and luaV_execute().

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

Definition at line 82 of file lopcodes.h.

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

Definition at line 79 of file lopcodes.h.

#define MAXARG_A   ((1<<SIZE_A)-1)

Definition at line 73 of file lopcodes.h.

Referenced by luaK_codeABC(), and luaK_codeABx().

#define MAXARG_Ax   MAX_INT

Definition at line 69 of file lopcodes.h.

Referenced by addk(), codeextraarg(), and luaK_setlist().

#define MAXARG_B   ((1<<SIZE_B)-1)

Definition at line 74 of file lopcodes.h.

Referenced by luaK_codeABC().

#define MAXARG_Bx   MAX_INT

Definition at line 62 of file lopcodes.h.

Referenced by addprototype(), luaK_codeABx(), and luaK_codek().

#define MAXARG_C   ((1<<SIZE_C)-1)

Definition at line 75 of file lopcodes.h.

Referenced by luaK_codeABC(), and luaK_setlist().

#define MAXARG_sBx   MAX_INT

Definition at line 63 of file lopcodes.h.

Referenced by fixjump().

#define MAXINDEXRK   (BITRK - 1)

Definition at line 141 of file lopcodes.h.

Referenced by luaK_exp2RK().

#define NO_REG   MAXARG_A

Definition at line 150 of file lopcodes.h.

Referenced by dischargejpc(), jumponcond(), luaK_patchlist(), patchtestreg(), and removevalues().

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

Definition at line 227 of file lopcodes.h.

#define POS_A   (POS_OP + SIZE_OP)

Definition at line 46 of file lopcodes.h.

#define POS_Ax   POS_A

Definition at line 50 of file lopcodes.h.

#define POS_B   (POS_C + SIZE_C)

Definition at line 48 of file lopcodes.h.

#define POS_Bx   POS_C

Definition at line 49 of file lopcodes.h.

#define POS_C   (POS_A + SIZE_A)

Definition at line 47 of file lopcodes.h.

#define POS_OP   0

Definition at line 45 of file lopcodes.h.

#define RKASK

(

x

)

((x) | BITRK)

Definition at line 144 of file lopcodes.h.

Referenced by luaK_exp2RK().

#define SET_OPCODE	(		i,
			o
	)

Value:

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

Definition at line 89 of file lopcodes.h.

Referenced by retstat().

#define setarg	(		i,
			v,
			pos,
			size
	)

Value:

((i) = (((i)&MASK0(size,pos)) | \
                ((cast(Instruction, v)<<pos)&MASK1(size,pos))))

Definition at line 93 of file lopcodes.h.

#define SETARG_A	(		i,
			v
	)		setarg(i, v, POS_A, SIZE_A)

Definition at line 97 of file lopcodes.h.

Referenced by discharge2reg(), invertjump(), luaK_nil(), luaK_patchclose(), luaK_setreturns(), and patchtestreg().

#define SETARG_Ax	(		i,
			v
	)		setarg(i, v, POS_Ax, SIZE_Ax)

Definition at line 109 of file lopcodes.h.

#define SETARG_B	(		i,
			v
	)		setarg(i, v, POS_B, SIZE_B)

Definition at line 100 of file lopcodes.h.

Referenced by constructor(), luaK_nil(), luaK_posfix(), luaK_setoneret(), and luaK_setreturns().

#define SETARG_Bx	(		i,
			v
	)		setarg(i, v, POS_Bx, SIZE_Bx)

Definition at line 106 of file lopcodes.h.

#define SETARG_C	(		i,
			v
	)		setarg(i, v, POS_C, SIZE_C)

Definition at line 103 of file lopcodes.h.

Referenced by constructor(), exprstat(), and luaK_setreturns().

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

Definition at line 112 of file lopcodes.h.

Referenced by fixjump().

#define SIZE_A   8

Definition at line 40 of file lopcodes.h.

#define SIZE_Ax   (SIZE_C + SIZE_B + SIZE_A)

Definition at line 41 of file lopcodes.h.

#define SIZE_B   9

Definition at line 38 of file lopcodes.h.

#define SIZE_Bx   (SIZE_C + SIZE_B)

Definition at line 39 of file lopcodes.h.

#define SIZE_C   9

Definition at line 37 of file lopcodes.h.

#define SIZE_OP   6

Definition at line 43 of file lopcodes.h.

#define testAMode

(

m

)

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

Definition at line 276 of file lopcodes.h.

Referenced by findsetreg().

#define testTMode

(

m

)

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

Definition at line 277 of file lopcodes.h.

Referenced by getjumpcontrol(), and invertjump().

Enumeration Type Documentation

enum OpArgMask

Enumerator
OpArgN
OpArgU
OpArgR
OpArgK

Definition at line 264 of file lopcodes.h.

enum OpCode

Enumerator
OP_MOVE
OP_LOADK
OP_LOADKX
OP_LOADBOOL
OP_LOADNIL
OP_GETUPVAL
OP_GETTABUP
OP_GETTABLE
OP_SETTABUP
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_TFORCALL
OP_TFORLOOP
OP_SETLIST
OP_CLOSURE
OP_VARARG
OP_EXTRAARG

Definition at line 164 of file lopcodes.h.

enum OpMode

Enumerator
iABC
iABx
iAsBx
iAx

Definition at line 31 of file lopcodes.h.

Variable Documentation

LUAI_DDEC const lu_byte luaP_opmodes[NUM_OPCODES]

Definition at line 271 of file lopcodes.h.

LUAI_DDEC const char* const luaP_opnames[NUM_OPCODES+1]

Definition at line 280 of file lopcodes.h.