#include <string.h>#include "lua.h"#include "ldebug.h"#include "ldo.h"#include "lfunc.h"#include "lgc.h"#include "lmem.h"#include "lobject.h"#include "lstate.h"#include "lstring.h"#include "ltable.h"#include "ltm.h"Go to the source code of this file.
Data Structures | |
| struct | GCState |
Defines | |
| #define | lgc_c |
| #define | setbit(x, b) ((x) |= (1<<(b))) |
| #define | resetbit(x, b) ((x) &= cast(lu_byte, ~(1<<(b)))) |
| #define | testbit(x, b) ((x) & (1<<(b))) |
| #define | unmark(x) resetbit((x)->gch.marked, 0) |
| #define | ismarked(x) ((x)->gch.marked & ((1<<4)|1)) |
| #define | stringmark(s) setbit((s)->tsv.marked, 0) |
| #define | isfinalized(u) (!testbit((u)->uv.marked, 1)) |
| #define | markfinalized(u) resetbit((u)->uv.marked, 1) |
| #define | KEYWEAKBIT 1 |
| #define | VALUEWEAKBIT 2 |
| #define | KEYWEAK (1<<KEYWEAKBIT) |
| #define | VALUEWEAK (1<<VALUEWEAKBIT) |
| #define | markobject(st, o) |
| #define | condmarkobject(st, o, c) |
| #define | markvalue(st, t) |
Functions | |
| static void | reallymarkobject (GCState *st, GCObject *o) |
| static void | marktmu (GCState *st) |
| size_t | luaC_separateudata (lua_State *L) |
| static void | removekey (Node *n) |
| static void | traversetable (GCState *st, Table *h) |
| static void | traverseproto (GCState *st, Proto *f) |
| static void | traverseclosure (GCState *st, Closure *cl) |
| static void | checkstacksizes (lua_State *L, StkId max) |
| static void | traversestack (GCState *st, lua_State *L1) |
| static void | propagatemarks (GCState *st) |
| static int | valismarked (const TObject *o) |
| static void | cleartablekeys (GCObject *l) |
| static void | cleartablevalues (GCObject *l) |
| static void | freeobj (lua_State *L, GCObject *o) |
| static int | sweeplist (lua_State *L, GCObject **p, int limit) |
| static void | sweepstrings (lua_State *L, int all) |
| static void | checkSizes (lua_State *L, size_t deadmem) |
| static void | do1gcTM (lua_State *L, Udata *udata) |
| void | luaC_callGCTM (lua_State *L) |
| void | luaC_sweep (lua_State *L, int all) |
| static void | markroot (GCState *st, lua_State *L) |
| static size_t | mark (lua_State *L) |
| void | luaC_collectgarbage (lua_State *L) |
| void | luaC_link (lua_State *L, GCObject *o, lu_byte tt) |
| #define condmarkobject | ( | st, | |||
| o, | |||||
| c | ) |
Value:
{ checkconsistency(o); \
if (iscollectable(o) && !ismarked(gcvalue(o)) && (c)) \
reallymarkobject(st,gcvalue(o)); }
Definition at line 66 of file lgc.c.
Referenced by traversetable().
| #define isfinalized | ( | u | ) | (!testbit((u)->uv.marked, 1)) |
| #define ismarked | ( | x | ) | ((x)->gch.marked & ((1<<4)|1)) |
| #define KEYWEAK (1<<KEYWEAKBIT) |
| #define KEYWEAKBIT 1 |
| #define markfinalized | ( | u | ) | resetbit((u)->uv.marked, 1) |
| #define markobject | ( | st, | |||
| o | ) |
Value:
{ checkconsistency(o); \
if (iscollectable(o) && !ismarked(gcvalue(o))) reallymarkobject(st,gcvalue(o)); }
Definition at line 63 of file lgc.c.
Referenced by markroot(), traverseclosure(), traversestack(), and traversetable().
| #define markvalue | ( | st, | |||
| t | ) |
Value:
{ if (!ismarked(valtogco(t))) \
reallymarkobject(st, valtogco(t)); }
Definition at line 70 of file lgc.c.
Referenced by markroot(), reallymarkobject(), traverseclosure(), traverseproto(), and traversetable().
| #define setbit | ( | x, | |||
| b | ) | ((x) |= (1<<(b))) |
| #define stringmark | ( | s | ) | setbit((s)->tsv.marked, 0) |
| #define testbit | ( | x, | |||
| b | ) | ((x) & (1<<(b))) |
| #define unmark | ( | x | ) | resetbit((x)->gch.marked, 0) |
| #define VALUEWEAK (1<<VALUEWEAKBIT) |
| #define VALUEWEAKBIT 2 |
| static void checkSizes | ( | lua_State * | L, | |
| size_t | deadmem | |||
| ) | [static] |
Definition at line 436 of file lgc.c.
References cast, G, LUA_MINBUFFER, luaS_resize(), luaZ_resizebuffer, luaZ_sizebuffer, and MINSTRTABSIZE.
Referenced by luaC_collectgarbage().
Definition at line 251 of file lgc.c.
References lua_State::base_ci, BASIC_STACK_SIZE, lua_State::ci, condhardstacktests, EXTRA_STACK, luaD_reallocCI(), luaD_reallocstack(), and lua_State::size_ci.
Referenced by traversestack().
| static void cleartablekeys | ( | GCObject * | l | ) | [static] |
Definition at line 335 of file lgc.c.
References Table::gclist, gcotoh, gkey, gnode, KEYWEAK, lua_assert, Table::marked, removekey(), sizenode, and valismarked().
Referenced by mark().
| static void cleartablevalues | ( | GCObject * | l | ) | [static] |
Definition at line 355 of file lgc.c.
References Table::array, Table::gclist, gcotoh, gnode, gval, lua_assert, Table::marked, removekey(), setnilvalue, Table::sizearray, sizenode, valismarked(), and VALUEWEAK.
Referenced by mark().
Definition at line 452 of file lgc.c.
References fasttm, luaD_call(), Udata::metatable, setobj2s, setuvalue, TM_GC, lua_State::top, and Udata::uv.
Referenced by luaC_callGCTM().
Definition at line 378 of file lgc.c.
References G, GCObject::gch, gcotocl, gcotoh, gcotop, gcototh, gcotots, gcotou, gcotouv, lua_assert, LUA_TPROTO, LUA_TUPVAL, luaE_freethread(), luaF_freeclosure(), luaF_freeproto(), luaH_free(), luaM_free, luaM_freelem, sizestring, sizeudata, and GCheader::tt.
Referenced by sweeplist().
| void luaC_callGCTM | ( | lua_State * | L | ) |
Definition at line 465 of file lgc.c.
References lua_State::allowhook, do1gcTM(), G, gcotou, markfinalized, Udata::next, setuvalue, lua_State::top, unmark, and Udata::uv.
Referenced by callallgcTM(), and luaC_collectgarbage().
| void luaC_collectgarbage | ( | lua_State * | L | ) |
Definition at line 535 of file lgc.c.
References checkSizes(), luaC_callGCTM(), luaC_sweep(), and mark().
Definition at line 543 of file lgc.c.
References G, GCObject::gch, GCheader::marked, GCheader::next, and GCheader::tt.
Referenced by luaE_newthread(), luaF_close(), luaF_newCclosure(), luaF_newLclosure(), luaF_newproto(), and luaH_new().
| size_t luaC_separateudata | ( | lua_State * | L | ) |
Definition at line 124 of file lgc.c.
References fasttm, G, GCObject::gch, gcotou, isfinalized, ismarked, lua_assert, markfinalized, GCheader::next, sizeudata, TM_GC, and GCheader::tt.
Referenced by lua_close(), and mark().
| void luaC_sweep | ( | lua_State * | L, | |
| int | all | |||
| ) |
Definition at line 485 of file lgc.c.
References G, sweeplist(), and sweepstrings().
Referenced by close_state(), and luaC_collectgarbage().
| static size_t mark | ( | lua_State * | L | ) | [static] |
Definition at line 506 of file lgc.c.
References cleartablekeys(), cleartablevalues(), G, GCState::g, luaC_separateudata(), markroot(), marktmu(), propagatemarks(), GCState::tmark, GCState::wk, GCState::wkv, and GCState::wv.
Referenced by luaC_collectgarbage().
Definition at line 494 of file lgc.c.
References defaultmeta, GCState::g, global_State::mainthread, markobject, markvalue, registry, and traversestack().
Referenced by mark().
| static void marktmu | ( | GCState * | st | ) | [static] |
Definition at line 112 of file lgc.c.
References GCState::g, GCObject::gch, GCheader::next, reallymarkobject(), global_State::tmudata, and unmark.
Referenced by mark().
| static void propagatemarks | ( | GCState * | st | ) | [static] |
Definition at line 286 of file lgc.c.
References Closure::c, GCObject::gch, Proto::gclist, lua_State::gclist, CClosure::gclist, Table::gclist, gcotocl, gcotoh, gcotop, gcototh, lua_assert, LUA_TPROTO, GCState::tmark, traverseclosure(), traverseproto(), traversestack(), traversetable(), and GCheader::tt.
Referenced by mark().
Definition at line 75 of file lgc.c.
References GCObject::gch, gcotocl, gcotoh, gcotop, gcototh, gcotou, ismarked, lua_assert, LUA_TPROTO, GCheader::marked, markvalue, setbit, GCState::tmark, and GCheader::tt.
Referenced by marktmu().
| static void removekey | ( | Node * | n | ) | [static] |
Definition at line 156 of file lgc.c.
References gkey, gval, iscollectable, setnilvalue, and setttype.
Referenced by cleartablekeys(), and cleartablevalues().
Definition at line 404 of file lgc.c.
References freeobj(), GCObject::gch, GCheader::marked, GCheader::next, and unmark.
Referenced by luaC_sweep(), and sweepstrings().
| static void sweepstrings | ( | lua_State * | L, | |
| int | all | |||
| ) | [static] |
Definition at line 227 of file lgc.c.
References Closure::c, LClosure::g, hvalue, CClosure::isC, Closure::l, lua_assert, markobject, markvalue, Proto::nups, LClosure::nupvalues, CClosure::nupvalues, LClosure::p, LClosure::upvals, and CClosure::upvalue.
Referenced by propagatemarks().
Definition at line 207 of file lgc.c.
References Proto::k, Proto::locvars, lua_assert, luaG_checkcode(), markvalue, Proto::p, Proto::sizek, Proto::sizelocvars, Proto::sizep, Proto::sizeupvalues, Proto::source, stringmark, tsvalue, ttisstring, Proto::upvalues, and LocVar::varname.
Referenced by propagatemarks().
Definition at line 265 of file lgc.c.
References lua_State::base_ci, checkstacksizes(), CI_C, CI_HASFRAME, CI_SAVEDPC, gt, lua_assert, markobject, setnilvalue, lua_State::stack, lua_State::stack_last, CallInfo::state, CallInfo::top, and lua_State::top.
Referenced by markroot(), and propagatemarks().
Definition at line 165 of file lgc.c.
References Table::array, cast, condmarkobject, global_State::dummynode, GCState::g, Table::gclist, gfasttm, gkey, gnode, gval, KEYWEAK, KEYWEAKBIT, Table::lsizenode, lua_assert, Table::marked, markobject, markvalue, Table::metatable, Table::node, Table::sizearray, sizenode, svalue, TM_MODE, ttisnil, ttisstring, valtogco, VALUEWEAK, VALUEWEAKBIT, GCState::wk, GCState::wkv, and GCState::wv.
Referenced by propagatemarks().
| static int valismarked | ( | const TObject * | o | ) | [static] |
Definition at line 323 of file lgc.c.
References iscollectable, stringmark, testbit, tsvalue, and ttisstring.
Referenced by cleartablekeys(), and cleartablevalues().
1.5.2