| /* |
| ** $Id: lcode.h $ |
| ** Code generator for Lua |
| ** See Copyright Notice in lua.h |
| */ |
| |
| #ifndef lcode_h |
| #define lcode_h |
| |
| #include "llex.h" |
| #include "lobject.h" |
| #include "lopcodes.h" |
| #include "lparser.h" |
| |
| |
| /* |
| ** Marks the end of a patch list. It is an invalid value both as an absolute |
| ** address, and as a list link (would link an element to itself). |
| */ |
| #define NO_JUMP (-1) |
| |
| |
| /* |
| ** grep "ORDER OPR" if you change these enums (ORDER OP) |
| */ |
| typedef enum BinOpr { |
| /* arithmetic operators */ |
| OPR_ADD, OPR_SUB, OPR_MUL, OPR_MOD, OPR_POW, |
| OPR_DIV, OPR_IDIV, |
| /* bitwise operators */ |
| OPR_BAND, OPR_BOR, OPR_BXOR, |
| OPR_SHL, OPR_SHR, |
| /* string operator */ |
| OPR_CONCAT, |
| /* comparison operators */ |
| OPR_EQ, OPR_LT, OPR_LE, |
| OPR_NE, OPR_GT, OPR_GE, |
| /* logical operators */ |
| OPR_AND, OPR_OR, |
| OPR_NOBINOPR |
| } BinOpr; |
| |
| |
| /* true if operation is foldable (that is, it is arithmetic or bitwise) */ |
| #define foldbinop(op) ((op) <= OPR_SHR) |
| |
| |
| #define luaK_codeABC(fs,o,a,b,c) luaK_codeABCk(fs,o,a,b,c,0) |
| |
| |
| typedef enum UnOpr { OPR_MINUS, OPR_BNOT, OPR_NOT, OPR_LEN, OPR_NOUNOPR } UnOpr; |
| |
| |
| /* get (pointer to) instruction of given 'expdesc' */ |
| #define getinstruction(fs,e) ((fs)->f->code[(e)->u.info]) |
| |
| |
| #define luaK_setmultret(fs,e) luaK_setreturns(fs, e, LUA_MULTRET) |
| |
| #define luaK_jumpto(fs,t) luaK_patchlist(fs, luaK_jump(fs), t) |
| |
| LUAI_FUNC int luaK_code (FuncState *fs, Instruction i); |
| LUAI_FUNC int luaK_codeABx (FuncState *fs, OpCode o, int A, int Bx); |
| LUAI_FUNC int luaK_codeABCk (FuncState *fs, OpCode o, int A, int B, int C, |
| int k); |
| LUAI_FUNC int luaK_codevABCk (FuncState *fs, OpCode o, int A, int B, int C, |
| int k); |
| LUAI_FUNC int luaK_exp2const (FuncState *fs, const expdesc *e, TValue *v); |
| LUAI_FUNC void luaK_fixline (FuncState *fs, int line); |
| LUAI_FUNC void luaK_nil (FuncState *fs, int from, int n); |
| LUAI_FUNC void luaK_reserveregs (FuncState *fs, int n); |
| LUAI_FUNC void luaK_checkstack (FuncState *fs, int n); |
| LUAI_FUNC void luaK_int (FuncState *fs, int reg, lua_Integer n); |
| LUAI_FUNC void luaK_dischargevars (FuncState *fs, expdesc *e); |
| LUAI_FUNC int luaK_exp2anyreg (FuncState *fs, expdesc *e); |
| LUAI_FUNC void luaK_exp2anyregup (FuncState *fs, expdesc *e); |
| LUAI_FUNC void luaK_exp2nextreg (FuncState *fs, expdesc *e); |
| LUAI_FUNC void luaK_exp2val (FuncState *fs, expdesc *e); |
| LUAI_FUNC void luaK_self (FuncState *fs, expdesc *e, expdesc *key); |
| LUAI_FUNC void luaK_indexed (FuncState *fs, expdesc *t, expdesc *k); |
| LUAI_FUNC void luaK_goiftrue (FuncState *fs, expdesc *e); |
| LUAI_FUNC void luaK_goiffalse (FuncState *fs, expdesc *e); |
| LUAI_FUNC void luaK_storevar (FuncState *fs, expdesc *var, expdesc *e); |
| LUAI_FUNC void luaK_setreturns (FuncState *fs, expdesc *e, int nresults); |
| LUAI_FUNC void luaK_setoneret (FuncState *fs, expdesc *e); |
| LUAI_FUNC int luaK_jump (FuncState *fs); |
| LUAI_FUNC void luaK_ret (FuncState *fs, int first, int nret); |
| LUAI_FUNC void luaK_patchlist (FuncState *fs, int list, int target); |
| LUAI_FUNC void luaK_patchtohere (FuncState *fs, int list); |
| LUAI_FUNC void luaK_concat (FuncState *fs, int *l1, int l2); |
| LUAI_FUNC int luaK_getlabel (FuncState *fs); |
| LUAI_FUNC void luaK_prefix (FuncState *fs, UnOpr op, expdesc *v, int line); |
| LUAI_FUNC void luaK_infix (FuncState *fs, BinOpr op, expdesc *v); |
| LUAI_FUNC void luaK_posfix (FuncState *fs, BinOpr op, expdesc *v1, |
| expdesc *v2, int line); |
| LUAI_FUNC void luaK_settablesize (FuncState *fs, int pc, |
| int ra, int asize, int hsize); |
| LUAI_FUNC void luaK_setlist (FuncState *fs, int base, int nelems, int tostore); |
| LUAI_FUNC void luaK_finish (FuncState *fs); |
| LUAI_FUNC l_noret luaK_semerror (LexState *ls, const char *msg); |
| |
| |
| #endif |