| [28] | 1 | /* |
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| 2 | ** $Id: lcode.h,v 1.48.1.1 2007/12/27 13:02:25 roberto Exp $ |
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| 3 | ** Code generator for Lua |
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| 4 | ** See Copyright Notice in lua.h |
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| 5 | */ |
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| 6 | |
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| 7 | #ifndef lcode_h |
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| 8 | #define lcode_h |
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| 9 | |
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| 10 | #include "llex.h" |
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| 11 | #include "lobject.h" |
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| 12 | #include "lopcodes.h" |
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| 13 | #include "lparser.h" |
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| 14 | |
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| 15 | |
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| 16 | /* |
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| 17 | ** Marks the end of a patch list. It is an invalid value both as an absolute |
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| 18 | ** address, and as a list link (would link an element to itself). |
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| 19 | */ |
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| 20 | #define NO_JUMP (-1) |
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| 21 | |
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| 22 | |
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| 23 | /* |
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| 24 | ** grep "ORDER OPR" if you change these enums |
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| 25 | */ |
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| 26 | typedef enum BinOpr { |
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| 27 | OPR_ADD, OPR_SUB, OPR_MUL, OPR_DIV, OPR_MOD, OPR_POW, |
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| 28 | OPR_CONCAT, |
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| 29 | OPR_NE, OPR_EQ, |
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| 30 | OPR_LT, OPR_LE, OPR_GT, OPR_GE, |
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| 31 | OPR_AND, OPR_OR, |
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| 32 | OPR_NOBINOPR |
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| 33 | } BinOpr; |
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| 34 | |
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| 35 | |
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| 36 | typedef enum UnOpr { OPR_MINUS, OPR_NOT, OPR_LEN, OPR_NOUNOPR } UnOpr; |
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| 37 | |
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| 38 | |
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| 39 | #define getcode(fs,e) ((fs)->f->code[(e)->u.s.info]) |
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| 40 | |
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| 41 | #define luaK_codeAsBx(fs,o,A,sBx) luaK_codeABx(fs,o,A,(sBx)+MAXARG_sBx) |
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| 42 | |
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| 43 | #define luaK_setmultret(fs,e) luaK_setreturns(fs, e, LUA_MULTRET) |
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| 44 | |
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| 45 | LUAI_FUNC int luaK_codeABx (FuncState *fs, OpCode o, int A, unsigned int Bx); |
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| 46 | LUAI_FUNC int luaK_codeABC (FuncState *fs, OpCode o, int A, int B, int C); |
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| 47 | LUAI_FUNC void luaK_fixline (FuncState *fs, int line); |
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| 48 | LUAI_FUNC void luaK_nil (FuncState *fs, int from, int n); |
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| 49 | LUAI_FUNC void luaK_reserveregs (FuncState *fs, int n); |
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| 50 | LUAI_FUNC void luaK_checkstack (FuncState *fs, int n); |
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| 51 | LUAI_FUNC int luaK_stringK (FuncState *fs, TString *s); |
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| 52 | LUAI_FUNC int luaK_numberK (FuncState *fs, lua_Number r); |
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| 53 | LUAI_FUNC void luaK_dischargevars (FuncState *fs, expdesc *e); |
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| 54 | LUAI_FUNC int luaK_exp2anyreg (FuncState *fs, expdesc *e); |
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| 55 | LUAI_FUNC void luaK_exp2nextreg (FuncState *fs, expdesc *e); |
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| 56 | LUAI_FUNC void luaK_exp2val (FuncState *fs, expdesc *e); |
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| 57 | LUAI_FUNC int luaK_exp2RK (FuncState *fs, expdesc *e); |
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| 58 | LUAI_FUNC void luaK_self (FuncState *fs, expdesc *e, expdesc *key); |
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| 59 | LUAI_FUNC void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k); |
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| 60 | LUAI_FUNC void luaK_goiftrue (FuncState *fs, expdesc *e); |
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| 61 | LUAI_FUNC void luaK_storevar (FuncState *fs, expdesc *var, expdesc *e); |
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| 62 | LUAI_FUNC void luaK_setreturns (FuncState *fs, expdesc *e, int nresults); |
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| 63 | LUAI_FUNC void luaK_setoneret (FuncState *fs, expdesc *e); |
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| 64 | LUAI_FUNC int luaK_jump (FuncState *fs); |
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| 65 | LUAI_FUNC void luaK_ret (FuncState *fs, int first, int nret); |
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| 66 | LUAI_FUNC void luaK_patchlist (FuncState *fs, int list, int target); |
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| 67 | LUAI_FUNC void luaK_patchtohere (FuncState *fs, int list); |
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| 68 | LUAI_FUNC void luaK_concat (FuncState *fs, int *l1, int l2); |
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| 69 | LUAI_FUNC int luaK_getlabel (FuncState *fs); |
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| 70 | LUAI_FUNC void luaK_prefix (FuncState *fs, UnOpr op, expdesc *v); |
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| 71 | LUAI_FUNC void luaK_infix (FuncState *fs, BinOpr op, expdesc *v); |
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| 72 | LUAI_FUNC void luaK_posfix (FuncState *fs, BinOpr op, expdesc *v1, expdesc *v2); |
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| 73 | LUAI_FUNC void luaK_setlist (FuncState *fs, int base, int nelems, int tostore); |
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| 74 | |
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| 75 | |
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| 76 | #endif |
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