89 lines
3.2 KiB
C
89 lines
3.2 KiB
C
/*
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** $Id: lcode.h,v 1.64 2016/01/05 16:22:37 roberto Exp $
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** Code generator for Lua
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** See Copyright Notice in lua.h
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*/
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#ifndef lcode_h
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#define lcode_h
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#include "llex.h"
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#include "lobject.h"
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#include "lopcodes.h"
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#include "lparser.h"
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/*
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** Marks the end of a patch list. It is an invalid value both as an absolute
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** address, and as a list link (would link an element to itself).
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*/
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#define NO_JUMP (-1)
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/*
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** grep "ORDER OPR" if you change these enums (ORDER OP)
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*/
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typedef enum BinOpr {
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OPR_ADD, OPR_SUB, OPR_MUL, OPR_MOD, OPR_POW,
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OPR_DIV,
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OPR_IDIV,
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OPR_BAND, OPR_BOR, OPR_BXOR,
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OPR_SHL, OPR_SHR,
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OPR_CONCAT,
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OPR_EQ, OPR_LT, OPR_LE,
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OPR_NE, OPR_GT, OPR_GE,
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OPR_AND, OPR_OR,
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OPR_NOBINOPR
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} BinOpr;
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typedef enum UnOpr { OPR_MINUS, OPR_BNOT, OPR_NOT, OPR_LEN, OPR_NOUNOPR } UnOpr;
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/* get (pointer to) instruction of given 'expdesc' */
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#define getinstruction(fs,e) ((fs)->f->code[(e)->u.info])
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#define luaK_codeAsBx(fs,o,A,sBx) luaK_codeABx(fs,o,A,(sBx)+MAXARG_sBx)
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#define luaK_setmultret(fs,e) luaK_setreturns(fs, e, LUA_MULTRET)
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#define luaK_jumpto(fs,t) luaK_patchlist(fs, luaK_jump(fs), t)
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LUAI_FUNC int luaK_codeABx (FuncState *fs, OpCode o, int A, unsigned int Bx);
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LUAI_FUNC int luaK_codeABC (FuncState *fs, OpCode o, int A, int B, int C);
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LUAI_FUNC int luaK_codek (FuncState *fs, int reg, int k);
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LUAI_FUNC void luaK_fixline (FuncState *fs, int line);
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LUAI_FUNC void luaK_nil (FuncState *fs, int from, int n);
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LUAI_FUNC void luaK_reserveregs (FuncState *fs, int n);
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LUAI_FUNC void luaK_checkstack (FuncState *fs, int n);
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LUAI_FUNC int luaK_stringK (FuncState *fs, TString *s);
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LUAI_FUNC int luaK_intK (FuncState *fs, lua_Integer n);
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LUAI_FUNC void luaK_dischargevars (FuncState *fs, expdesc *e);
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LUAI_FUNC int luaK_exp2anyreg (FuncState *fs, expdesc *e);
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LUAI_FUNC void luaK_exp2anyregup (FuncState *fs, expdesc *e);
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LUAI_FUNC void luaK_exp2nextreg (FuncState *fs, expdesc *e);
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LUAI_FUNC void luaK_exp2val (FuncState *fs, expdesc *e);
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LUAI_FUNC int luaK_exp2RK (FuncState *fs, expdesc *e);
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LUAI_FUNC void luaK_self (FuncState *fs, expdesc *e, expdesc *key);
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LUAI_FUNC void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k);
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LUAI_FUNC void luaK_goiftrue (FuncState *fs, expdesc *e);
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LUAI_FUNC void luaK_goiffalse (FuncState *fs, expdesc *e);
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LUAI_FUNC void luaK_storevar (FuncState *fs, expdesc *var, expdesc *e);
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LUAI_FUNC void luaK_setreturns (FuncState *fs, expdesc *e, int nresults);
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LUAI_FUNC void luaK_setoneret (FuncState *fs, expdesc *e);
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LUAI_FUNC int luaK_jump (FuncState *fs);
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LUAI_FUNC void luaK_ret (FuncState *fs, int first, int nret);
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LUAI_FUNC void luaK_patchlist (FuncState *fs, int list, int target);
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LUAI_FUNC void luaK_patchtohere (FuncState *fs, int list);
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LUAI_FUNC void luaK_patchclose (FuncState *fs, int list, int level);
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LUAI_FUNC void luaK_concat (FuncState *fs, int *l1, int l2);
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LUAI_FUNC int luaK_getlabel (FuncState *fs);
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LUAI_FUNC void luaK_prefix (FuncState *fs, UnOpr op, expdesc *v, int line);
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LUAI_FUNC void luaK_infix (FuncState *fs, BinOpr op, expdesc *v);
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LUAI_FUNC void luaK_posfix (FuncState *fs, BinOpr op, expdesc *v1,
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expdesc *v2, int line);
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LUAI_FUNC void luaK_setlist (FuncState *fs, int base, int nelems, int tostore);
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#endif
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