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5205 | clevermous | 1 | /* |
2 | ** $Id: lcode.h,v 1.58 2011/08/30 16:26:41 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 | |||
7 | #ifndef lcode_h |
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8 | #define lcode_h |
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9 | |||
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 | |||
15 | |||
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 | |||
22 | |||
23 | /* |
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24 | ** grep "ORDER OPR" if you change these enums (ORDER OP) |
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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_EQ, OPR_LT, OPR_LE, |
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30 | OPR_NE, 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 | |||
35 | |||
36 | typedef enum UnOpr { OPR_MINUS, OPR_NOT, OPR_LEN, OPR_NOUNOPR } UnOpr; |
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37 | |||
38 | |||
39 | #define getcode(fs,e) ((fs)->f->code[(e)->u.info]) |
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40 | |||
41 | #define luaK_codeAsBx(fs,o,A,sBx) luaK_codeABx(fs,o,A,(sBx)+MAXARG_sBx) |
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42 | |||
43 | #define luaK_setmultret(fs,e) luaK_setreturns(fs, e, LUA_MULTRET) |
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44 | |||
45 | #define luaK_jumpto(fs,t) luaK_patchlist(fs, luaK_jump(fs), t) |
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46 | |||
47 | LUAI_FUNC int luaK_codeABx (FuncState *fs, OpCode o, int A, unsigned int Bx); |
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48 | LUAI_FUNC int luaK_codeABC (FuncState *fs, OpCode o, int A, int B, int C); |
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49 | LUAI_FUNC int luaK_codek (FuncState *fs, int reg, int k); |
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50 | LUAI_FUNC void luaK_fixline (FuncState *fs, int line); |
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51 | LUAI_FUNC void luaK_nil (FuncState *fs, int from, int n); |
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52 | LUAI_FUNC void luaK_reserveregs (FuncState *fs, int n); |
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53 | LUAI_FUNC void luaK_checkstack (FuncState *fs, int n); |
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54 | LUAI_FUNC int luaK_stringK (FuncState *fs, TString *s); |
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55 | LUAI_FUNC int luaK_numberK (FuncState *fs, lua_Number r); |
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56 | LUAI_FUNC void luaK_dischargevars (FuncState *fs, expdesc *e); |
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57 | LUAI_FUNC int luaK_exp2anyreg (FuncState *fs, expdesc *e); |
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58 | LUAI_FUNC void luaK_exp2anyregup (FuncState *fs, expdesc *e); |
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59 | LUAI_FUNC void luaK_exp2nextreg (FuncState *fs, expdesc *e); |
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60 | LUAI_FUNC void luaK_exp2val (FuncState *fs, expdesc *e); |
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61 | LUAI_FUNC int luaK_exp2RK (FuncState *fs, expdesc *e); |
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62 | LUAI_FUNC void luaK_self (FuncState *fs, expdesc *e, expdesc *key); |
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63 | LUAI_FUNC void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k); |
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64 | LUAI_FUNC void luaK_goiftrue (FuncState *fs, expdesc *e); |
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65 | LUAI_FUNC void luaK_goiffalse (FuncState *fs, expdesc *e); |
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66 | LUAI_FUNC void luaK_storevar (FuncState *fs, expdesc *var, expdesc *e); |
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67 | LUAI_FUNC void luaK_setreturns (FuncState *fs, expdesc *e, int nresults); |
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68 | LUAI_FUNC void luaK_setoneret (FuncState *fs, expdesc *e); |
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69 | LUAI_FUNC int luaK_jump (FuncState *fs); |
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70 | LUAI_FUNC void luaK_ret (FuncState *fs, int first, int nret); |
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71 | LUAI_FUNC void luaK_patchlist (FuncState *fs, int list, int target); |
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72 | LUAI_FUNC void luaK_patchtohere (FuncState *fs, int list); |
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73 | LUAI_FUNC void luaK_patchclose (FuncState *fs, int list, int level); |
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74 | LUAI_FUNC void luaK_concat (FuncState *fs, int *l1, int l2); |
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75 | LUAI_FUNC int luaK_getlabel (FuncState *fs); |
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76 | LUAI_FUNC void luaK_prefix (FuncState *fs, UnOpr op, expdesc *v, int line); |
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77 | LUAI_FUNC void luaK_infix (FuncState *fs, BinOpr op, expdesc *v); |
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78 | LUAI_FUNC void luaK_posfix (FuncState *fs, BinOpr op, expdesc *v1, |
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79 | expdesc *v2, int line); |
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80 | LUAI_FUNC void luaK_setlist (FuncState *fs, int base, int nelems, int tostore); |
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81 | |||
82 | |||
83 | #endif |