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Diffstat (limited to 'plugins/SmartAutoReplier/lualib/lopcodes.h')
-rw-r--r-- | plugins/SmartAutoReplier/lualib/lopcodes.h | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/plugins/SmartAutoReplier/lualib/lopcodes.h b/plugins/SmartAutoReplier/lualib/lopcodes.h deleted file mode 100644 index 0b6b58f3cd..0000000000 --- a/plugins/SmartAutoReplier/lualib/lopcodes.h +++ /dev/null @@ -1,238 +0,0 @@ -/* -** $Id: lopcodes.h,v 1.102 2002/08/21 18:56:09 roberto Exp $ -** Opcodes for Lua virtual machine -** See Copyright Notice in lua.h -*/ - -#ifndef lopcodes_h -#define lopcodes_h - -#include "llimits.h" - - -/*=========================================================================== - We assume that instructions are unsigned numbers. - All instructions have an opcode in the first 6 bits. - Instructions can have the following fields: - `A' : 8 bits - `B' : 9 bits - `C' : 9 bits - `Bx' : 18 bits (`B' and `C' together) - `sBx' : signed Bx - - A signed argument is represented in excess K; that is, the number - value is the unsigned value minus K. K is exactly the maximum value - for that argument (so that -max is represented by 0, and +max is - represented by 2*max), which is half the maximum for the corresponding - unsigned argument. -===========================================================================*/ - - -enum OpMode {iABC, iABx, iAsBx}; /* basic instruction format */ - - -/* -** size and position of opcode arguments. -*/ -#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_C SIZE_OP -#define POS_B (POS_C + SIZE_C) -#define POS_Bx POS_C -#define POS_A (POS_B + SIZE_B) - - -/* -** limits for opcode arguments. -** we use (signed) int to manipulate most arguments, -** so they must fit in BITS_INT-1 bits (-1 for sign) -*/ -#if SIZE_Bx < BITS_INT-1 -#define MAXARG_Bx ((1<<SIZE_Bx)-1) -#define MAXARG_sBx (MAXARG_Bx>>1) /* `sBx' is signed */ -#else -#define MAXARG_Bx MAX_INT -#define MAXARG_sBx MAX_INT -#endif - - -#define MAXARG_A ((1<<SIZE_A)-1) -#define MAXARG_B ((1<<SIZE_B)-1) -#define MAXARG_C ((1<<SIZE_C)-1) - - -/* creates a mask with `n' 1 bits at position `p' */ -#define MASK1(n,p) ((~((~(Instruction)0)<<n))<<p) - -/* creates a mask with `n' 0 bits at position `p' */ -#define MASK0(n,p) (~MASK1(n,p)) - -/* -** the following macros help to manipulate instructions -*/ - -#define GET_OPCODE(i) (cast(OpCode, (i)&MASK1(SIZE_OP,0))) -#define SET_OPCODE(i,o) ((i) = (((i)&MASK0(SIZE_OP,0)) | cast(Instruction, o))) - -#define GETARG_A(i) (cast(int, (i)>>POS_A)) -#define SETARG_A(i,u) ((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) ((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) ((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) ((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) (cast(Instruction, o) \ - | (cast(Instruction, a)<<POS_A) \ - | (cast(Instruction, b)<<POS_B) \ - | (cast(Instruction, c)<<POS_C)) - -#define CREATE_ABx(o,a,bc) (cast(Instruction, o) \ - | (cast(Instruction, a)<<POS_A) \ - | (cast(Instruction, bc)<<POS_Bx)) - - - - -/* -** invalid register that fits in 8 bits -*/ -#define NO_REG MAXARG_A - - -/* -** R(x) - register -** Kst(x) - constant (in constant table) -** RK(x) == if x < MAXSTACK then R(x) else Kst(x-MAXSTACK) -*/ - - -/* -** grep "ORDER OP" if you change these enums -*/ - -typedef enum { -/*---------------------------------------------------------------------- -name args description -------------------------------------------------------------------------*/ -OP_MOVE,/* A B R(A) := R(B) */ -OP_LOADK,/* A Bx R(A) := Kst(Bx) */ -OP_LOADBOOL,/* A B C R(A) := (Bool)B; if (C) PC++ */ -OP_LOADNIL,/* A B R(A) := ... := R(B) := nil */ -OP_GETUPVAL,/* A B R(A) := UpValue[B] */ - -OP_GETGLOBAL,/* A Bx R(A) := Gbl[Kst(Bx)] */ -OP_GETTABLE,/* A B C R(A) := R(B)[RK(C)] */ - -OP_SETGLOBAL,/* A Bx Gbl[Kst(Bx)] := R(A) */ -OP_SETUPVAL,/* A B UpValue[B] := R(A) */ -OP_SETTABLE,/* A B C R(A)[RK(B)] := RK(C) */ - -OP_NEWTABLE,/* A B C R(A) := {} (size = B,C) */ - -OP_SELF,/* A B C R(A+1) := R(B); R(A) := R(B)[RK(C)] */ - -OP_ADD,/* A B C R(A) := RK(B) + RK(C) */ -OP_SUB,/* A B C R(A) := RK(B) - RK(C) */ -OP_MUL,/* A B C R(A) := RK(B) * RK(C) */ -OP_DIV,/* A B C R(A) := RK(B) / RK(C) */ -OP_POW,/* A B C R(A) := RK(B) ^ RK(C) */ -OP_UNM,/* A B R(A) := -R(B) */ -OP_NOT,/* A B R(A) := not R(B) */ - -OP_CONCAT,/* A B C R(A) := R(B).. ... ..R(C) */ - -OP_JMP,/* sBx PC += sBx */ - -OP_EQ,/* A B C if ((RK(B) == RK(C)) ~= A) then pc++ */ -OP_LT,/* A B C if ((RK(B) < RK(C)) ~= A) then pc++ */ -OP_LE,/* A B C if ((RK(B) <= RK(C)) ~= A) then pc++ */ - -OP_TEST,/* A B C if (R(B) <=> C) then R(A) := R(B) else pc++ */ - -OP_CALL,/* A B C R(A), ... ,R(A+C-2) := R(A)(R(A+1), ... ,R(A+B-1)) */ -OP_TAILCALL,/* A B C return R(A)(R(A+1), ... ,R(A+B-1)) */ -OP_RETURN,/* A B return R(A), ... ,R(A+B-2) (see note) */ - -OP_FORLOOP,/* A sBx R(A)+=R(A+2); if R(A) <?= R(A+1) then PC+= sBx */ - -OP_TFORLOOP,/* A C R(A+2), ... ,R(A+2+C) := R(A)(R(A+1), R(A+2)); - if R(A+2) ~= nil then pc++ */ -OP_TFORPREP,/* A sBx if type(R(A)) == table then R(A+1):=R(A), R(A):=next; - PC += sBx */ - -OP_SETLIST,/* A Bx R(A)[Bx-Bx%FPF+i] := R(A+i), 1 <= i <= Bx%FPF+1 */ -OP_SETLISTO,/* A Bx */ - -OP_CLOSE,/* A close all variables in the stack up to (>=) R(A)*/ -OP_CLOSURE/* A Bx R(A) := closure(KPROTO[Bx], R(A), ... ,R(A+n)) */ -} OpCode; - - -#define NUM_OPCODES (cast(int, OP_CLOSURE+1)) - - - -/*=========================================================================== - Notes: - (1) In OP_CALL, if (B == 0) then B = top. C is the number of returns - 1, - and can be 0: OP_CALL then sets `top' to last_result+1, so - next open instruction (OP_CALL, OP_RETURN, OP_SETLIST) may use `top'. - - (2) In OP_RETURN, if (B == 0) then return up to `top' - - (3) For comparisons, B specifies what conditions the test should accept. - - (4) All `skips' (pc++) assume that next instruction is a jump -===========================================================================*/ - - -/* -** masks for instruction properties -*/ -enum OpModeMask { - OpModeBreg = 2, /* B is a register */ - OpModeBrk, /* B is a register/constant */ - OpModeCrk, /* C is a register/constant */ - OpModesetA, /* instruction set register A */ - OpModeK, /* Bx is a constant */ - OpModeT /* operator is a test */ - -}; - - -extern const lu_byte luaP_opmodes[NUM_OPCODES]; - -#define getOpMode(m) (cast(enum OpMode, luaP_opmodes[m] & 3)) -#define testOpMode(m, b) (luaP_opmodes[m] & (1 << (b))) - - -#ifdef LUA_OPNAMES -extern const char *const luaP_opnames[]; /* opcode names */ -#endif - - - -/* number of list items to accumulate before a SETLIST instruction */ -/* (must be a power of 2) */ -#define LFIELDS_PER_FLUSH 32 - - -#endif |