mirror of https://github.com/lua/lua
new tests to check memory consistency (for incremental GC)
This commit is contained in:
Roberto Ierusalimschy
parent
a4e1230f95
commit
48a8d78102
128
ltests.c
128
ltests.c
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@ -1,5 +1,5 @@
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/*
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** $Id: ltests.c,v 2.1 2003/12/10 12:13:36 roberto Exp roberto $
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** $Id: ltests.c,v 2.2 2004/02/16 19:09:52 roberto Exp roberto $
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** Internal Module for Debugging of the Lua Implementation
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** See Copyright Notice in lua.h
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*/
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@ -36,12 +36,15 @@
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#ifdef LUA_DEBUG
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int Trick = 0;
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static lua_State *lua_state = NULL;
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int islocked = 0;
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#define func_at(L,k) (L->ci->base+(k) - 1)
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#define obj_at(L,k) (L->ci->base+(k) - 1)
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static void setnameval (lua_State *L, const char *name, int val) {
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@ -159,25 +162,24 @@ static int testobjref1 (global_State *g, GCObject *f, GCObject *t) {
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static void printobj (global_State *g, GCObject *o) {
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int i = 0;
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GCObject *p;
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for (p = g->rootgc; p != o && p != NULL; p = p->gch.next) i++;
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if (p == NULL) i = -1;
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printf("%d:%s(%p)-%c",
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i, luaT_typenames[o->gch.tt], (void *)o,
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isdead(g,o)?'d':isblack(o)?'b':iswhite(o)?'w':'g');
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int i = 0;
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GCObject *p;
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for (p = g->rootgc; p != o && p != NULL; p = p->gch.next) i++;
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if (p == NULL) i = -1;
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printf("%d:%s(%p)-%c(%02X)", i, luaT_typenames[o->gch.tt], (void *)o,
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isdead(g,o)?'d':isblack(o)?'b':iswhite(o)?'w':'g', o->gch.marked);
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}
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static int testobjref (global_State *g, GCObject *f, GCObject *t) {
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int r = testobjref1(g,f,t);
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if (!r) {
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printf("%d - ", g->gcstate);
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printobj(g, f);
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printf("\t-> ");
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printobj(g, t);
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printf("\n");
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}
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if (!r) {
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printf("%d(%02X) - ", g->gcstate, g->currentwhite);
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printobj(g, f);
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printf("\t-> ");
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printobj(g, t);
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printf("\n");
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}
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return r;
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}
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@ -258,10 +260,12 @@ static void checkclosure (global_State *g, Closure *cl) {
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checkobjref(g, clgc, hvalue(&cl->l.g));
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checkobjref(g, clgc, cl->l.p);
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for (i=0; i<cl->l.nupvalues; i++) {
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if (cl->l.upvals[i]) {
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lua_assert(cl->l.upvals[i]->tt == LUA_TUPVAL);
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checkobjref(g, clgc, cl->l.upvals[i]);
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}
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}
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}
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}
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@ -270,21 +274,25 @@ static void checkstack (global_State *g, lua_State *L1) {
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CallInfo *ci;
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lua_assert(!isdead(g, obj2gco(L1)));
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checkliveness(g, gt(L1));
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if (L1->base_ci) {
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for (ci = L1->base_ci; ci <= L1->ci; ci++)
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lua_assert(ci->top <= L1->stack_last);
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}
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else lua_assert(L1->size_ci == 0);
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if (L1->stack) {
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for (o = L1->stack; o < L1->top; o++)
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checkliveness(g, o);
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}
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else lua_assert(L1->stacksize == 0);
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}
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void luaC_checkall (lua_State *L) {
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global_State *g = G(L);
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GCObject *o;
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checkstack(g, g->mainthread);
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for (o = g->rootgc; o; o = o->gch.next) {
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static void checkobject (global_State *g, GCObject *o) {
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if (isdead(g, o))
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lua_assert(g->gcstate == GCSsweepstring || g->gcstate == GCSsweep);
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else {
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if (g->gcstate == GCSfinalize)
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lua_assert(iswhite(o));
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switch (o->gch.tt) {
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case LUA_TUPVAL: {
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UpVal *uv = gco2uv(o);
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@ -316,7 +324,24 @@ void luaC_checkall (lua_State *L) {
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default: lua_assert(0);
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}
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}
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}
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int lua_checkmemory (lua_State *L) {
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global_State *g = G(L);
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GCObject *o;
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checkstack(g, g->mainthread);
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for (o = g->rootgc; o->gch.tt != LUA_TUSERDATA; o = o->gch.next)
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checkobject(g, o);
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lua_assert(o == g->firstudata);
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for (; o->gch.tt != LUA_TTHREAD; o = o->gch.next)
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checkobject(g, o);
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lua_assert(o == obj2gco(g->mainthread));
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for (; o; o = o->gch.next) {
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lua_assert(o->gch.tt == LUA_TTHREAD);
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checkobject(g, o);
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}
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return 0;
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}
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/* }====================================================== */
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@ -369,7 +394,7 @@ static int listcode (lua_State *L) {
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Proto *p;
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luaL_argcheck(L, lua_isfunction(L, 1) && !lua_iscfunction(L, 1),
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1, "Lua function expected");
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p = clvalue(func_at(L, 1))->l.p;
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p = clvalue(obj_at(L, 1))->l.p;
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lua_newtable(L);
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setnameval(L, "maxstack", p->maxstacksize);
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setnameval(L, "numparams", p->numparams);
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@ -388,7 +413,7 @@ static int listk (lua_State *L) {
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int i;
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luaL_argcheck(L, lua_isfunction(L, 1) && !lua_iscfunction(L, 1),
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1, "Lua function expected");
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p = clvalue(func_at(L, 1))->l.p;
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p = clvalue(obj_at(L, 1))->l.p;
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lua_createtable(L, p->sizek, 0);
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for (i=0; i<p->sizek; i++) {
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luaA_pushobject(L, p->k+i);
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@ -405,7 +430,7 @@ static int listlocals (lua_State *L) {
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const char *name;
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luaL_argcheck(L, lua_isfunction(L, 1) && !lua_iscfunction(L, 1),
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1, "Lua function expected");
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p = clvalue(func_at(L, 1))->l.p;
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p = clvalue(obj_at(L, 1))->l.p;
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while ((name = luaF_getlocalname(p, ++i, pc)) != NULL)
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lua_pushstring(L, name);
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return i-1;
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@ -428,12 +453,6 @@ static int get_limits (lua_State *L) {
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}
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static int setgcthreshold (lua_State *L) {
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lua_setgcthreshold(L, luaL_checkint(L, 1));
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return 0;
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}
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static int mem_query (lua_State *L) {
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if (lua_isnone(L, 1)) {
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lua_pushinteger(L, memcontrol.total);
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@ -448,16 +467,52 @@ static int mem_query (lua_State *L) {
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}
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static int settrick (lua_State *L) {
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Trick = lua_tointeger(L, 1);
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return 0;
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}
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/*static int set_gcstate (lua_State *L) {
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static const char *const state[] = {"propagate", "sweep", "finalize"};
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return 0;
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}*/
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static int get_gccolor (lua_State *L) {
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TValue *o;
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luaL_checkany(L, 1);
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o = obj_at(L, 1);
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if (!iscollectable(o))
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lua_pushstring(L, "no collectable");
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else
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lua_pushstring(L, iswhite(gcvalue(o)) ? "white" :
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isblack(gcvalue(o)) ? "black" : "grey");
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return 1;
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}
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static int gcstate (lua_State *L) {
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switch(G(L)->gcstate) {
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case GCSpropagate: lua_pushstring(L, "propagate"); break;
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case GCSsweepstring: lua_pushstring(L, "sweep strings"); break;
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case GCSsweep: lua_pushstring(L, "sweep"); break;
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case GCSfinalize: lua_pushstring(L, "finalize"); break;
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}
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return 1;
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}
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static int hash_query (lua_State *L) {
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if (lua_isnone(L, 2)) {
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luaL_argcheck(L, lua_type(L, 1) == LUA_TSTRING, 1, "string expected");
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lua_pushinteger(L, tsvalue(func_at(L, 1))->hash);
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lua_pushinteger(L, tsvalue(obj_at(L, 1))->hash);
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}
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else {
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TValue *o = func_at(L, 1);
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TValue *o = obj_at(L, 1);
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Table *t;
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luaL_checktype(L, 2, LUA_TTABLE);
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t = hvalue(func_at(L, 2));
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t = hvalue(obj_at(L, 2));
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lua_pushinteger(L, luaH_mainposition(t, o) - t->node);
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}
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return 1;
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@ -479,7 +534,7 @@ static int table_query (lua_State *L) {
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const Table *t;
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int i = luaL_optint(L, 2, -1);
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luaL_checktype(L, 1, LUA_TTABLE);
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t = hvalue(func_at(L, 1));
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t = hvalue(obj_at(L, 1));
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if (i == -1) {
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lua_pushinteger(L, t->sizearray);
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lua_pushinteger(L, sizenode(t));
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@ -979,6 +1034,10 @@ static const struct luaL_reg tests_funcs[] = {
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{"querytab", table_query},
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{"doit", test_do},
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{"testC", testC},
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{"checkmemory", lua_checkmemory},
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{"gccolor", get_gccolor},
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{"gcstate", gcstate},
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{"trick", settrick},
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{"ref", tref},
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{"getref", getref},
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{"unref", unref},
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@ -995,7 +1054,6 @@ static const struct luaL_reg tests_funcs[] = {
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{"doremote", doremote},
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{"log2", log2_aux},
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{"int2fb", int2fb_aux},
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{"setgcthreshold", setgcthreshold},
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{"totalmem", mem_query},
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{"resume", coresume},
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{"setyhook", setyhook},
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11
ltests.h
11
ltests.h
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@ -1,5 +1,5 @@
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/*
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** $Id: ltests.h,v 2.1 2003/12/10 12:13:36 roberto Exp roberto $
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** $Id: ltests.h,v 2.2 2004/02/16 19:09:52 roberto Exp roberto $
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** Internal Header for Debugging of the Lua Implementation
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** See Copyright Notice in lua.h
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*/
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@ -35,6 +35,13 @@ typedef struct Memcontrol {
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extern Memcontrol memcontrol;
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/*
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** generic variable for debug tricks
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*/
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extern int Trick;
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void *debug_realloc (void *ud, void *block, size_t osize, size_t nsize);
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#ifdef lua_c
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@ -42,7 +49,7 @@ void *debug_realloc (void *ud, void *block, size_t osize, size_t nsize);
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#endif
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void luaC_checkall (lua_State *L);
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int lua_checkmemory (lua_State *L);
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/* test for lock/unlock */
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