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lcode.h File Reference
#include "llex.h"
#include "lobject.h"
#include "lopcodes.h"
#include "lparser.h"
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Macros

#define NO_JUMP   (-1)
 
#define getcode(fs, e)   ((fs)->f->code[(e)->u.info])
 
#define luaK_codeAsBx(fs, o, A, sBx)   luaK_codeABx(fs,o,A,(sBx)+MAXARG_sBx)
 
#define luaK_setmultret(fs, e)   luaK_setreturns(fs, e, LUA_MULTRET)
 
#define luaK_jumpto(fs, t)   luaK_patchlist(fs, luaK_jump(fs), t)
 

Typedefs

typedef enum BinOpr BinOpr
 
typedef enum UnOpr UnOpr
 

Enumerations

enum  BinOpr {
  OPR_ADD, OPR_SUB, OPR_MUL, OPR_DIV,
  OPR_MOD, OPR_POW, OPR_CONCAT, OPR_EQ,
  OPR_LT, OPR_LE, OPR_NE, OPR_GT,
  OPR_GE, OPR_AND, OPR_OR, OPR_NOBINOPR
}
 
enum  UnOpr { OPR_MINUS, OPR_NOT, OPR_LEN, OPR_NOUNOPR }
 

Functions

LUAI_FUNC int luaK_codeABx (FuncState *fs, OpCode o, int A, unsigned int Bx)
 
LUAI_FUNC int luaK_codeABC (FuncState *fs, OpCode o, int A, int B, int C)
 
LUAI_FUNC int luaK_codek (FuncState *fs, int reg, int k)
 
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 int luaK_stringK (FuncState *fs, TString *s)
 
LUAI_FUNC int luaK_numberK (FuncState *fs, lua_Number r)
 
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 int luaK_exp2RK (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_patchclose (FuncState *fs, int list, int level)
 
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_setlist (FuncState *fs, int base, int nelems, int tostore)
 

Macro Definition Documentation

#define getcode (   fs,
  e 
)    ((fs)->f->code[(e)->u.info])

Definition at line 38 of file lcode.h.

Referenced by discharge2reg(), exprstat(), jumponcond(), luaK_posfix(), luaK_setoneret(), luaK_setreturns(), and retstat().

#define luaK_codeAsBx (   fs,
  o,
  A,
  sBx 
)    luaK_codeABx(fs,o,A,(sBx)+MAXARG_sBx)

Definition at line 40 of file lcode.h.

Referenced by forbody(), and luaK_jump().

#define luaK_jumpto (   fs,
  t 
)    luaK_patchlist(fs, luaK_jump(fs), t)

Definition at line 44 of file lcode.h.

Referenced by whilestat().

#define luaK_setmultret (   fs,
  e 
)    luaK_setreturns(fs, e, LUA_MULTRET)

Definition at line 42 of file lcode.h.

Referenced by funcargs(), lastlistfield(), and retstat().

#define NO_JUMP   (-1)

Definition at line 19 of file lcode.h.

Referenced by dischargejpc(), exp2reg(), fixjump(), forbody(), getjump(), ifstat(), init_exp(), isnumeral(), luaK_concat(), luaK_goiffalse(), luaK_goiftrue(), luaK_jump(), luaK_patchclose(), luaK_posfix(), luaK_prefix(), need_value(), open_func(), patchlistaux(), and removevalues().

Typedef Documentation

typedef enum BinOpr BinOpr
typedef enum UnOpr UnOpr

Enumeration Type Documentation

enum BinOpr
Enumerator
OPR_ADD 
OPR_SUB 
OPR_MUL 
OPR_DIV 
OPR_MOD 
OPR_POW 
OPR_CONCAT 
OPR_EQ 
OPR_LT 
OPR_LE 
OPR_NE 
OPR_GT 
OPR_GE 
OPR_AND 
OPR_OR 
OPR_NOBINOPR 

Definition at line 25 of file lcode.h.

enum UnOpr
Enumerator
OPR_MINUS 
OPR_NOT 
OPR_LEN 
OPR_NOUNOPR 

Definition at line 35 of file lcode.h.

Function Documentation

LUAI_FUNC void luaK_checkstack ( FuncState *  fs,
int  n 
)

Definition at line 260 of file lcode.cpp.

References cast_byte, FuncState::f, FuncState::freereg, FuncState::ls, luaX_syntaxerror(), MAXSTACK, and Proto::maxstacksize.

Referenced by forlist(), and luaK_reserveregs().

LUAI_FUNC int luaK_codeABC ( FuncState *  fs,
OpCode  o,
int  A,
int  B,
int  C 
)

Definition at line 226 of file lcode.cpp.

References CREATE_ABC, getBMode, getCMode, getOpMode, iABC, lua_assert, luaK_code(), MAXARG_A, MAXARG_B, MAXARG_C, and OpArgN.

Referenced by check_conflict(), code_label(), codearith(), codenot(), condjump(), constructor(), discharge2reg(), forbody(), funcargs(), luaK_dischargevars(), luaK_nil(), luaK_ret(), luaK_self(), luaK_setlist(), luaK_storevar(), recfield(), and simpleexp().

LUAI_FUNC int luaK_codeABx ( FuncState *  fs,
OpCode  o,
int  A,
unsigned int  Bx 
)

Definition at line 235 of file lcode.cpp.

References CREATE_ABx, getCMode, getOpMode, iABx, iAsBx, lua_assert, luaK_code(), MAXARG_A, MAXARG_Bx, and OpArgN.

Referenced by codeclosure(), and luaK_codek().

LUAI_FUNC int luaK_codek ( FuncState *  fs,
int  reg,
int  k 
)

Definition at line 249 of file lcode.cpp.

References codeextraarg(), luaK_codeABx(), MAXARG_Bx, OP_LOADK, and OP_LOADKX.

Referenced by discharge2reg(), and fornum().

LUAI_FUNC void luaK_concat ( FuncState *  fs,
int *  l1,
int  l2 
)

Definition at line 197 of file lcode.cpp.

References fixjump(), getjump(), next, and NO_JUMP.

Referenced by exp2reg(), luaK_goiffalse(), luaK_goiftrue(), luaK_jump(), luaK_patchtohere(), luaK_posfix(), and test_then_block().

LUAI_FUNC void luaK_dischargevars ( FuncState *  fs,
expdesc *  e 
)

Definition at line 382 of file lcode.cpp.

References freereg(), expdesc::ind, expdesc::info, expdesc::k, luaK_codeABC(), luaK_setoneret(), OP_GETTABLE, OP_GETTABUP, OP_GETUPVAL, expdesc::u, VCALL, VINDEXED, VLOCAL, VNONRELOC, VRELOCABLE, VUPVAL, and VVARARG.

Referenced by codenot(), discharge2reg(), luaK_exp2anyreg(), luaK_exp2nextreg(), luaK_exp2val(), luaK_goiffalse(), luaK_goiftrue(), luaK_posfix(), and primaryexp().

LUAI_FUNC int luaK_exp2anyreg ( FuncState *  fs,
expdesc *  e 
)

Definition at line 499 of file lcode.cpp.

References exp2reg(), hasjumps, expdesc::info, expdesc::k, luaK_dischargevars(), luaK_exp2nextreg(), FuncState::nactvar, expdesc::u, and VNONRELOC.

Referenced by luaK_exp2anyregup(), luaK_exp2RK(), luaK_exp2val(), luaK_prefix(), luaK_self(), luaK_storevar(), and retstat().

LUAI_FUNC void luaK_exp2anyregup ( FuncState *  fs,
expdesc *  e 
)

Definition at line 513 of file lcode.cpp.

References hasjumps, expdesc::k, luaK_exp2anyreg(), and VUPVAL.

Referenced by fieldsel(), and suffixedexp().

LUAI_FUNC void luaK_exp2nextreg ( FuncState *  fs,
expdesc *  e 
)

Definition at line 491 of file lcode.cpp.

References exp2reg(), freeexp(), FuncState::freereg, luaK_dischargevars(), and luaK_reserveregs().

Referenced by adjust_assign(), closelistfield(), codeclosure(), constructor(), exp1(), explist(), funcargs(), lastlistfield(), luaK_exp2anyreg(), luaK_infix(), luaK_posfix(), retstat(), and suffixedexp().

LUAI_FUNC int luaK_exp2RK ( FuncState *  fs,
expdesc *  e 
)

Definition at line 527 of file lcode.cpp.

References boolK(), expdesc::info, expdesc::k, luaK_exp2anyreg(), luaK_exp2val(), luaK_numberK(), MAXINDEXRK, nilK(), FuncState::nk, expdesc::nval, RKASK, expdesc::u, VFALSE, VK, VKNUM, VNIL, and VTRUE.

Referenced by codearith(), codecomp(), luaK_indexed(), luaK_infix(), luaK_self(), luaK_storevar(), and recfield().

LUAI_FUNC void luaK_exp2val ( FuncState *  fs,
expdesc *  e 
)

Definition at line 519 of file lcode.cpp.

References hasjumps, luaK_dischargevars(), and luaK_exp2anyreg().

Referenced by luaK_exp2RK(), luaK_posfix(), and yindex().

LUAI_FUNC void luaK_fixline ( FuncState *  fs,
int  line 
)

Definition at line 861 of file lcode.cpp.

References FuncState::f, Proto::lineinfo, and FuncState::pc.

Referenced by codearith(), forbody(), funcargs(), and funcstat().

LUAI_FUNC int luaK_getlabel ( FuncState *  fs)

Definition at line 93 of file lcode.cpp.

References FuncState::lasttarget, and FuncState::pc.

Referenced by code_label(), exp2reg(), luaK_patchtohere(), repeatstat(), and whilestat().

LUAI_FUNC void luaK_goiffalse ( FuncState *  fs,
expdesc *  e 
)

Definition at line 644 of file lcode.cpp.

References expdesc::f, expdesc::info, jumponcond(), expdesc::k, luaK_concat(), luaK_dischargevars(), luaK_patchtohere(), NO_JUMP, expdesc::t, expdesc::u, VFALSE, VJMP, and VNIL.

Referenced by luaK_infix(), and test_then_block().

LUAI_FUNC void luaK_goiftrue ( FuncState *  fs,
expdesc *  e 
)

Definition at line 620 of file lcode.cpp.

References expdesc::f, expdesc::info, invertjump(), jumponcond(), expdesc::k, luaK_concat(), luaK_dischargevars(), luaK_patchtohere(), NO_JUMP, expdesc::t, expdesc::u, VJMP, VK, VKNUM, and VTRUE.

Referenced by cond(), luaK_infix(), and test_then_block().

LUAI_FUNC void luaK_indexed ( FuncState *  fs,
expdesc *  t,
expdesc *  k 
)

Definition at line 702 of file lcode.cpp.

References check_exp, hasjumps, expdesc::ind, expdesc::info, expdesc::k, lua_assert, luaK_exp2RK(), expdesc::u, VINDEXED, vkisinreg, VLOCAL, and VUPVAL.

Referenced by fieldsel(), singlevar(), and suffixedexp().

LUAI_FUNC void luaK_infix ( FuncState *  fs,
BinOpr  op,
expdesc *  v 
)

Definition at line 785 of file lcode.cpp.

References isnumeral(), luaK_exp2nextreg(), luaK_exp2RK(), luaK_goiffalse(), luaK_goiftrue(), OPR_ADD, OPR_AND, OPR_CONCAT, OPR_DIV, OPR_MOD, OPR_MUL, OPR_OR, OPR_POW, and OPR_SUB.

Referenced by subexpr().

LUAI_FUNC int luaK_jump ( FuncState *  fs)

Definition at line 58 of file lcode.cpp.

References FuncState::jpc, luaK_codeAsBx, luaK_concat(), NO_JUMP, and OP_JMP.

Referenced by condjump(), exp2reg(), forbody(), leaveblock(), statement(), and test_then_block().

LUAI_FUNC void luaK_nil ( FuncState *  fs,
int  from,
int  n 
)

Definition at line 36 of file lcode.cpp.

References Proto::code, FuncState::f, GET_OPCODE, GETARG_A, GETARG_B, FuncState::lasttarget, luaK_codeABC(), OP_LOADNIL, FuncState::pc, SETARG_A, and SETARG_B.

Referenced by adjust_assign(), and discharge2reg().

LUAI_FUNC int luaK_numberK ( FuncState *  fs,
lua_Number  r 
)

Definition at line 325 of file lcode.cpp.

References addk(), LexState::L, FuncState::ls, luaS_newlstr(), setnvalue, setsvalue, and lua_State::top.

Referenced by discharge2reg(), fornum(), and luaK_exp2RK().

LUAI_FUNC void luaK_patchclose ( FuncState *  fs,
int  list,
int  level 
)

Definition at line 178 of file lcode.cpp.

References Proto::code, FuncState::f, GET_OPCODE, GETARG_A, getjump(), lua_assert, next, NO_JUMP, OP_JMP, and SETARG_A.

Referenced by findlabel(), leaveblock(), movegotosout(), and repeatstat().

LUAI_FUNC void luaK_patchlist ( FuncState *  fs,
int  list,
int  target 
)

Definition at line 168 of file lcode.cpp.

References lua_assert, luaK_patchtohere(), NO_REG, patchlistaux(), and FuncState::pc.

Referenced by closegoto(), forbody(), and repeatstat().

LUAI_FUNC void luaK_patchtohere ( FuncState *  fs,
int  list 
)

Definition at line 191 of file lcode.cpp.

References FuncState::jpc, luaK_concat(), and luaK_getlabel().

Referenced by exp2reg(), forbody(), ifstat(), leaveblock(), luaK_goiffalse(), luaK_goiftrue(), luaK_patchlist(), test_then_block(), and whilestat().

LUAI_FUNC void luaK_posfix ( FuncState *  fs,
BinOpr  op,
expdesc *  v1,
expdesc *  v2,
int  line 
)

Definition at line 812 of file lcode.cpp.

References cast, codearith(), codecomp(), expdesc::f, freeexp(), GET_OPCODE, GETARG_B, getcode, expdesc::info, expdesc::k, lua_assert, luaK_concat(), luaK_dischargevars(), luaK_exp2nextreg(), luaK_exp2val(), NO_JUMP, OP_ADD, OP_CONCAT, OP_EQ, OPR_ADD, OPR_AND, OPR_CONCAT, OPR_DIV, OPR_EQ, OPR_GE, OPR_GT, OPR_LE, OPR_LT, OPR_MOD, OPR_MUL, OPR_NE, OPR_OR, OPR_POW, OPR_SUB, SETARG_B, expdesc::t, expdesc::u, and VRELOCABLE.

Referenced by subexpr().

LUAI_FUNC void luaK_prefix ( FuncState *  fs,
UnOpr  op,
expdesc *  v,
int  line 
)

Definition at line 761 of file lcode.cpp.

References codearith(), codenot(), expdesc::f, isnumeral(), expdesc::k, lua_assert, luaK_exp2anyreg(), NO_JUMP, expdesc::nval, OP_LEN, OP_UNM, OPR_LEN, OPR_MINUS, OPR_NOT, expdesc::t, expdesc::u, and VKNUM.

Referenced by subexpr().

LUAI_FUNC void luaK_reserveregs ( FuncState *  fs,
int  n 
)

Definition at line 270 of file lcode.cpp.

References FuncState::freereg, and luaK_checkstack().

Referenced by adjust_assign(), check_conflict(), discharge2anyreg(), forbody(), fornum(), luaK_exp2nextreg(), luaK_self(), luaK_setreturns(), and parlist().

LUAI_FUNC void luaK_ret ( FuncState *  fs,
int  first,
int  nret 
)

Definition at line 68 of file lcode.cpp.

References luaK_codeABC(), and OP_RETURN.

Referenced by close_func(), and retstat().

LUAI_FUNC void luaK_self ( FuncState *  fs,
expdesc *  e,
expdesc *  key 
)

Definition at line 584 of file lcode.cpp.

References freeexp(), FuncState::freereg, expdesc::info, expdesc::k, luaK_codeABC(), luaK_exp2anyreg(), luaK_exp2RK(), luaK_reserveregs(), OP_SELF, expdesc::u, and VNONRELOC.

Referenced by suffixedexp().

LUAI_FUNC void luaK_setlist ( FuncState *  fs,
int  base,
int  nelems,
int  tostore 
)

Definition at line 866 of file lcode.cpp.

References codeextraarg(), FuncState::freereg, LFIELDS_PER_FLUSH, FuncState::ls, lua_assert, LUA_MULTRET, luaK_codeABC(), luaX_syntaxerror(), MAXARG_Ax, MAXARG_C, and OP_SETLIST.

Referenced by closelistfield(), and lastlistfield().

LUAI_FUNC void luaK_setoneret ( FuncState *  fs,
expdesc *  e 
)

Definition at line 370 of file lcode.cpp.

References GETARG_A, getcode, expdesc::info, expdesc::k, SETARG_B, expdesc::u, VCALL, VNONRELOC, VRELOCABLE, and VVARARG.

Referenced by assignment(), and luaK_dischargevars().

LUAI_FUNC void luaK_setreturns ( FuncState *  fs,
expdesc *  e,
int  nresults 
)

Definition at line 358 of file lcode.cpp.

References FuncState::freereg, getcode, expdesc::k, luaK_reserveregs(), SETARG_A, SETARG_B, SETARG_C, VCALL, and VVARARG.

Referenced by adjust_assign().

LUAI_FUNC void luaK_storevar ( FuncState *  fs,
expdesc *  var,
expdesc *  e 
)

Definition at line 557 of file lcode.cpp.

References e, exp2reg(), freeexp(), expdesc::ind, expdesc::info, expdesc::k, lua_assert, luaK_codeABC(), luaK_exp2anyreg(), luaK_exp2RK(), OP_SETTABLE, OP_SETTABUP, OP_SETUPVAL, expdesc::u, VINDEXED, VLOCAL, and VUPVAL.

Referenced by assignment(), and funcstat().

LUAI_FUNC int luaK_stringK ( FuncState *  fs,
TString *  s 
)

Definition at line 318 of file lcode.cpp.

References addk(), LexState::L, FuncState::ls, and setsvalue.

Referenced by codestring().

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