lcode.h 2.7 KB

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