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00001 /* 00002 ** $Id: lcode.h,v 1.1 2004/03/16 21:58:30 niemeyer Exp $ 00003 ** Code generator for Lua 00004 ** See Copyright Notice in lua.h 00005 */ 00006 00007 #ifndef lcode_h 00008 #define lcode_h 00009 00010 #include "llex.h" 00011 #include "lobject.h" 00012 #include "lopcodes.h" 00013 #include "lparser.h" 00014 00015 00016 /* 00017 ** Marks the end of a patch list. It is an invalid value both as an absolute 00018 ** address, and as a list link (would link an element to itself). 00019 */ 00020 #define NO_JUMP (-1) 00021 00022 00023 /* 00024 ** grep "ORDER OPR" if you change these enums 00025 */ 00026 typedef enum BinOpr { 00027 OPR_ADD, OPR_SUB, OPR_MULT, OPR_DIV, OPR_POW, 00028 OPR_CONCAT, 00029 OPR_NE, OPR_EQ, 00030 OPR_LT, OPR_LE, OPR_GT, OPR_GE, 00031 OPR_AND, OPR_OR, 00032 OPR_NOBINOPR 00033 } BinOpr; 00034 00035 #define binopistest(op) ((op) >= OPR_NE) 00036 00037 typedef enum UnOpr { OPR_MINUS, OPR_NOT, OPR_NOUNOPR } UnOpr; 00038 00039 00040 #define getcode(fs,e) ((fs)->f->code[(e)->info]) 00041 00042 #define luaK_codeAsBx(fs,o,A,sBx) luaK_codeABx(fs,o,A,(sBx)+MAXARG_sBx) 00043 00044 int luaK_code (FuncState *fs, Instruction i, int line) 00045 /*@modifies fs @*/; 00046 int luaK_codeABx (FuncState *fs, OpCode o, int A, unsigned int Bx) 00047 /*@modifies fs @*/; 00048 int luaK_codeABC (FuncState *fs, OpCode o, int A, int B, int C) 00049 /*@modifies fs @*/; 00050 void luaK_fixline (FuncState *fs, int line) 00051 /*@modifies fs @*/; 00052 void luaK_nil (FuncState *fs, int from, int n) 00053 /*@modifies fs @*/; 00054 void luaK_reserveregs (FuncState *fs, int n) 00055 /*@modifies fs @*/; 00056 void luaK_checkstack (FuncState *fs, int n) 00057 /*@modifies fs @*/; 00058 int luaK_stringK (FuncState *fs, TString *s) 00059 /*@modifies fs @*/; 00060 int luaK_numberK (FuncState *fs, lua_Number r) 00061 /*@modifies fs @*/; 00062 void luaK_dischargevars (FuncState *fs, expdesc *e) 00063 /*@modifies fs, e @*/; 00064 int luaK_exp2anyreg (FuncState *fs, expdesc *e) 00065 /*@modifies fs, e @*/; 00066 void luaK_exp2nextreg (FuncState *fs, expdesc *e) 00067 /*@modifies fs, e @*/; 00068 void luaK_exp2val (FuncState *fs, expdesc *e) 00069 /*@modifies fs, e @*/; 00070 int luaK_exp2RK (FuncState *fs, expdesc *e) 00071 /*@modifies fs, e @*/; 00072 void luaK_self (FuncState *fs, expdesc *e, expdesc *key) 00073 /*@modifies fs, e, key @*/; 00074 void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k) 00075 /*@modifies fs, t, k @*/; 00076 void luaK_goiftrue (FuncState *fs, expdesc *e) 00077 /*@modifies fs, e @*/; 00078 void luaK_goiffalse (FuncState *fs, expdesc *e) 00079 /*@modifies fs, e @*/; 00080 void luaK_storevar (FuncState *fs, expdesc *var, expdesc *e) 00081 /*@modifies fs, e @*/; 00082 void luaK_setcallreturns (FuncState *fs, expdesc *var, int nresults) 00083 /*@modifies fs, var @*/; 00084 int luaK_jump (FuncState *fs) 00085 /*@modifies fs @*/; 00086 void luaK_patchlist (FuncState *fs, int list, int target) 00087 /*@modifies fs @*/; 00088 void luaK_patchtohere (FuncState *fs, int list) 00089 /*@modifies fs @*/; 00090 void luaK_concat (FuncState *fs, int *l1, int l2) 00091 /*@modifies fs, *l1 @*/; 00092 int luaK_getlabel (FuncState *fs) 00093 /*@modifies fs @*/; 00094 void luaK_prefix (FuncState *fs, UnOpr op, expdesc *v) 00095 /*@modifies fs, v @*/; 00096 void luaK_infix (FuncState *fs, BinOpr op, expdesc *v) 00097 /*@modifies fs, v @*/; 00098 void luaK_posfix (FuncState *fs, BinOpr op, expdesc *v1, expdesc *v2) 00099 /*@modifies fs, v1, v2 @*/; 00100 00101 00102 #endif