From bb6ade743cea6ba6f4f8746a12d52fd1886f4db9 Mon Sep 17 00:00:00 2001 From: pixel Date: Thu, 6 Nov 2003 11:56:07 +0000 Subject: Adding LUA --- lib/lua/src/ltests.c | 852 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 852 insertions(+) create mode 100644 lib/lua/src/ltests.c (limited to 'lib/lua/src/ltests.c') diff --git a/lib/lua/src/ltests.c b/lib/lua/src/ltests.c new file mode 100644 index 0000000..bee9426 --- /dev/null +++ b/lib/lua/src/ltests.c @@ -0,0 +1,852 @@ +/* +** $Id: ltests.c,v 1.1 2003-11-06 11:56:07 pixel Exp $ +** Internal Module for Debugging of the Lua Implementation +** See Copyright Notice in lua.h +*/ + + +#include +#include +#include +#include +#include + +#define ltests_c + +#include "lua.h" + +#include "lapi.h" +#include "lauxlib.h" +#include "lcode.h" +#include "ldebug.h" +#include "ldo.h" +#include "lfunc.h" +#include "lmem.h" +#include "lopcodes.h" +#include "lstate.h" +#include "lstring.h" +#include "ltable.h" +#include "lualib.h" + + + +/* +** The whole module only makes sense with LUA_DEBUG on +*/ +#ifdef LUA_DEBUG + + +#define lua_pushintegral(L,i) lua_pushnumber(L, cast(lua_Number, (i))) + + +static lua_State *lua_state = NULL; + +int islocked = 0; + + +#define func_at(L,k) (L->ci->base+(k) - 1) + + +static void setnameval (lua_State *L, const char *name, int val) { + lua_pushstring(L, name); + lua_pushintegral(L, val); + lua_settable(L, -3); +} + + +/* +** {====================================================================== +** Controlled version for realloc. +** ======================================================================= +*/ + +#define MARK 0x55 /* 01010101 (a nice pattern) */ + +#ifndef EXTERNMEMCHECK +/* full memory check */ +#define HEADER (sizeof(L_Umaxalign)) /* ensures maximum alignment for HEADER */ +#define MARKSIZE 16 /* size of marks after each block */ +#define blockhead(b) (cast(char *, b) - HEADER) +#define setsize(newblock, size) (*cast(size_t *, newblock) = size) +#define checkblocksize(b, size) (size == (*cast(size_t *, blockhead(b)))) +#define fillmem(mem,size) memset(mem, -MARK, size) +#else +/* external memory check: don't do it twice */ +#define HEADER 0 +#define MARKSIZE 0 +#define blockhead(b) (b) +#define setsize(newblock, size) /* empty */ +#define checkblocksize(b,size) (1) +#define fillmem(mem,size) /* empty */ +#endif + +unsigned long memdebug_numblocks = 0; +unsigned long memdebug_total = 0; +unsigned long memdebug_maxmem = 0; +unsigned long memdebug_memlimit = ULONG_MAX; + + +static void *checkblock (void *block, size_t size) { + void *b = blockhead(block); + int i; + for (i=0;i 0); + if (size == 0) { + freeblock(block, oldsize); + return NULL; + } + else if (size > oldsize && memdebug_total+size-oldsize > memdebug_memlimit) + return NULL; /* to test memory allocation errors */ + else { + void *newblock; + int i; + size_t realsize = HEADER+size+MARKSIZE; + size_t commonsize = (oldsize < size) ? oldsize : size; + if (realsize < size) return NULL; /* overflow! */ + newblock = malloc(realsize); /* alloc a new block */ + if (newblock == NULL) return NULL; + if (block) { + memcpy(cast(char *, newblock)+HEADER, block, commonsize); + freeblock(block, oldsize); /* erase (and check) old copy */ + } + /* initialize new part of the block with something `weird' */ + fillmem(cast(char *, newblock)+HEADER+commonsize, size-commonsize); + memdebug_total += size; + if (memdebug_total > memdebug_maxmem) + memdebug_maxmem = memdebug_total; + memdebug_numblocks++; + setsize(newblock, size); + for (i=0;icode[pc]; + OpCode o = GET_OPCODE(i); + const char *name = luaP_opnames[o]; + int line = getline(p, pc); + sprintf(buff, "(%4d) %4d - ", line, pc); + switch (getOpMode(o)) { + case iABC: + sprintf(buff+strlen(buff), "%-12s%4d %4d %4d", name, + GETARG_A(i), GETARG_B(i), GETARG_C(i)); + break; + case iABx: + sprintf(buff+strlen(buff), "%-12s%4d %4d", name, GETARG_A(i), GETARG_Bx(i)); + break; + case iAsBx: + sprintf(buff+strlen(buff), "%-12s%4d %4d", name, GETARG_A(i), GETARG_sBx(i)); + break; + } + return buff; +} + + +#if 0 +void luaI_printcode (Proto *pt, int size) { + int pc; + for (pc=0; pcl.p; + lua_newtable(L); + setnameval(L, "maxstack", p->maxstacksize); + setnameval(L, "numparams", p->numparams); + for (pc=0; pcsizecode; pc++) { + char buff[100]; + lua_pushintegral(L, pc+1); + lua_pushstring(L, buildop(p, pc, buff)); + lua_settable(L, -3); + } + return 1; +} + + +static int listk (lua_State *L) { + Proto *p; + int i; + luaL_argcheck(L, lua_isfunction(L, 1) && !lua_iscfunction(L, 1), + 1, "Lua function expected"); + p = clvalue(func_at(L, 1))->l.p; + lua_newtable(L); + for (i=0; isizek; i++) { + lua_pushintegral(L, i+1); + luaA_pushobject(L, p->k+i); + lua_settable(L, -3); + } + return 1; +} + + +static int listlocals (lua_State *L) { + Proto *p; + int pc = luaL_checkint(L, 2) - 1; + int i = 0; + const char *name; + luaL_argcheck(L, lua_isfunction(L, 1) && !lua_iscfunction(L, 1), + 1, "Lua function expected"); + p = clvalue(func_at(L, 1))->l.p; + while ((name = luaF_getlocalname(p, ++i, pc)) != NULL) + lua_pushstring(L, name); + return i-1; +} + +/* }====================================================== */ + + + + +static int get_limits (lua_State *L) { + lua_newtable(L); + setnameval(L, "BITS_INT", BITS_INT); + setnameval(L, "LFPF", LFIELDS_PER_FLUSH); + setnameval(L, "MAXVARS", MAXVARS); + setnameval(L, "MAXPARAMS", MAXPARAMS); + setnameval(L, "MAXSTACK", MAXSTACK); + setnameval(L, "MAXUPVALUES", MAXUPVALUES); + return 1; +} + + +static int mem_query (lua_State *L) { + if (lua_isnone(L, 1)) { + lua_pushintegral(L, memdebug_total); + lua_pushintegral(L, memdebug_numblocks); + lua_pushintegral(L, memdebug_maxmem); + return 3; + } + else { + memdebug_memlimit = luaL_checkint(L, 1); + return 0; + } +} + + +static int hash_query (lua_State *L) { + if (lua_isnone(L, 2)) { + luaL_argcheck(L, lua_type(L, 1) == LUA_TSTRING, 1, "string expected"); + lua_pushintegral(L, tsvalue(func_at(L, 1))->tsv.hash); + } + else { + TObject *o = func_at(L, 1); + Table *t; + luaL_checktype(L, 2, LUA_TTABLE); + t = hvalue(func_at(L, 2)); + lua_pushintegral(L, luaH_mainposition(t, o) - t->node); + } + return 1; +} + + +static int stacklevel (lua_State *L) { + unsigned long a = 0; + lua_pushintegral(L, (int)(L->top - L->stack)); + lua_pushintegral(L, (int)(L->stack_last - L->stack)); + lua_pushintegral(L, (int)(L->ci - L->base_ci)); + lua_pushintegral(L, (int)(L->end_ci - L->base_ci)); + lua_pushintegral(L, (unsigned long)&a); + return 5; +} + + +static int table_query (lua_State *L) { + const Table *t; + int i = luaL_optint(L, 2, -1); + luaL_checktype(L, 1, LUA_TTABLE); + t = hvalue(func_at(L, 1)); + if (i == -1) { + lua_pushintegral(L, t->sizearray); + lua_pushintegral(L, sizenode(t)); + lua_pushintegral(L, t->firstfree - t->node); + } + else if (i < t->sizearray) { + lua_pushintegral(L, i); + luaA_pushobject(L, &t->array[i]); + lua_pushnil(L); + } + else if ((i -= t->sizearray) < sizenode(t)) { + if (!ttisnil(gval(gnode(t, i))) || + ttisnil(gkey(gnode(t, i))) || + ttisnumber(gkey(gnode(t, i)))) { + luaA_pushobject(L, gkey(gnode(t, i))); + } + else + lua_pushstring(L, ""); + luaA_pushobject(L, gval(gnode(t, i))); + if (t->node[i].next) + lua_pushintegral(L, t->node[i].next - t->node); + else + lua_pushnil(L); + } + return 3; +} + + +static int string_query (lua_State *L) { + stringtable *tb = &G(L)->strt; + int s = luaL_optint(L, 2, 0) - 1; + if (s==-1) { + lua_pushintegral(L ,tb->nuse); + lua_pushintegral(L ,tb->size); + return 2; + } + else if (s < tb->size) { + GCObject *ts; + int n = 0; + for (ts = tb->hash[s]; ts; ts = ts->gch.next) { + setsvalue2s(L->top, gcotots(ts)); + incr_top(L); + n++; + } + return n; + } + return 0; +} + + +static int tref (lua_State *L) { + int level = lua_gettop(L); + int lock = luaL_optint(L, 2, 1); + luaL_checkany(L, 1); + lua_pushvalue(L, 1); + lua_pushintegral(L, lua_ref(L, lock)); + assert(lua_gettop(L) == level+1); /* +1 for result */ + return 1; +} + +static int getref (lua_State *L) { + int level = lua_gettop(L); + lua_getref(L, luaL_checkint(L, 1)); + assert(lua_gettop(L) == level+1); + return 1; +} + +static int unref (lua_State *L) { + int level = lua_gettop(L); + lua_unref(L, luaL_checkint(L, 1)); + assert(lua_gettop(L) == level); + return 0; +} + +static int metatable (lua_State *L) { + luaL_checkany(L, 1); + if (lua_isnone(L, 2)) { + if (lua_getmetatable(L, 1) == 0) + lua_pushnil(L); + } + else { + lua_settop(L, 2); + luaL_checktype(L, 2, LUA_TTABLE); + lua_setmetatable(L, 1); + } + return 1; +} + + +static int upvalue (lua_State *L) { + int n = luaL_checkint(L, 2); + luaL_checktype(L, 1, LUA_TFUNCTION); + if (lua_isnone(L, 3)) { + const char *name = lua_getupvalue(L, 1, n); + if (name == NULL) return 0; + lua_pushstring(L, name); + return 2; + } + else { + const char *name = lua_setupvalue(L, 1, n); + lua_pushstring(L, name); + return 1; + } +} + + +static int newuserdata (lua_State *L) { + size_t size = luaL_checkint(L, 1); + char *p = cast(char *, lua_newuserdata(L, size)); + while (size--) *p++ = '\0'; + return 1; +} + + +static int pushuserdata (lua_State *L) { + lua_pushlightuserdata(L, cast(void *, luaL_checkint(L, 1))); + return 1; +} + + +static int udataval (lua_State *L) { + lua_pushintegral(L, cast(int, lua_touserdata(L, 1))); + return 1; +} + + +static int doonnewstack (lua_State *L) { + lua_State *L1 = lua_newthread(L); + size_t l; + const char *s = luaL_checklstring(L, 1, &l); + int status = luaL_loadbuffer(L1, s, l, s); + if (status == 0) + status = lua_pcall(L1, 0, 0, 0); + lua_pushintegral(L, status); + return 1; +} + + +static int s2d (lua_State *L) { + lua_pushnumber(L, *cast(const double *, luaL_checkstring(L, 1))); + return 1; +} + +static int d2s (lua_State *L) { + double d = luaL_checknumber(L, 1); + lua_pushlstring(L, cast(char *, &d), sizeof(d)); + return 1; +} + + +static int newstate (lua_State *L) { + lua_State *L1 = lua_open(); + if (L1) { + lua_userstateopen(L1); /* init lock */ + lua_pushintegral(L, (unsigned long)L1); + } + else + lua_pushnil(L); + return 1; +} + + +static int loadlib (lua_State *L) { + static const luaL_reg libs[] = { + {"mathlibopen", luaopen_math}, + {"strlibopen", luaopen_string}, + {"iolibopen", luaopen_io}, + {"tablibopen", luaopen_table}, + {"dblibopen", luaopen_debug}, + {"baselibopen", luaopen_base}, + {NULL, NULL} + }; + lua_State *L1 = cast(lua_State *, + cast(unsigned long, luaL_checknumber(L, 1))); + lua_pushvalue(L1, LUA_GLOBALSINDEX); + luaL_openlib(L1, NULL, libs, 0); + return 0; +} + +static int closestate (lua_State *L) { + lua_State *L1 = cast(lua_State *, cast(unsigned long, luaL_checknumber(L, 1))); + lua_close(L1); + lua_unlock(L); /* close cannot unlock that */ + return 0; +} + +static int doremote (lua_State *L) { + lua_State *L1 = cast(lua_State *,cast(unsigned long,luaL_checknumber(L, 1))); + size_t lcode; + const char *code = luaL_checklstring(L, 2, &lcode); + int status; + lua_settop(L1, 0); + status = luaL_loadbuffer(L1, code, lcode, code); + if (status == 0) + status = lua_pcall(L1, 0, LUA_MULTRET, 0); + if (status != 0) { + lua_pushnil(L); + lua_pushintegral(L, status); + lua_pushstring(L, lua_tostring(L1, -1)); + return 3; + } + else { + int i = 0; + while (!lua_isnone(L1, ++i)) + lua_pushstring(L, lua_tostring(L1, i)); + lua_pop(L1, i-1); + return i-1; + } +} + + +static int log2_aux (lua_State *L) { + lua_pushintegral(L, luaO_log2(luaL_checkint(L, 1))); + return 1; +} + +static int int2fb_aux (lua_State *L) { + int b = luaO_int2fb(luaL_checkint(L, 1)); + lua_pushintegral(L, b); + lua_pushintegral(L, fb2int(b)); + return 2; +} + + +static int test_do (lua_State *L) { + const char *p = luaL_checkstring(L, 1); + if (*p == '@') + lua_dofile(L, p+1); + else + lua_dostring(L, p); + return lua_gettop(L); +} + + + +/* +** {====================================================== +** function to test the API with C. It interprets a kind of assembler +** language with calls to the API, so the test can be driven by Lua code +** ======================================================= +*/ + +static const char *const delimits = " \t\n,;"; + +static void skip (const char **pc) { + while (**pc != '\0' && strchr(delimits, **pc)) (*pc)++; +} + +static int getnum_aux (lua_State *L, const char **pc) { + int res = 0; + int sig = 1; + skip(pc); + if (**pc == '.') { + res = cast(int, lua_tonumber(L, -1)); + lua_pop(L, 1); + (*pc)++; + return res; + } + else if (**pc == '-') { + sig = -1; + (*pc)++; + } + while (isdigit(cast(int, **pc))) res = res*10 + (*(*pc)++) - '0'; + return sig*res; +} + +static const char *getname_aux (char *buff, const char **pc) { + int i = 0; + skip(pc); + while (**pc != '\0' && !strchr(delimits, **pc)) + buff[i++] = *(*pc)++; + buff[i] = '\0'; + return buff; +} + + +#define EQ(s1) (strcmp(s1, inst) == 0) + +#define getnum (getnum_aux(L, &pc)) +#define getname (getname_aux(buff, &pc)) + + +static int testC (lua_State *L) { + char buff[30]; + const char *pc = luaL_checkstring(L, 1); + for (;;) { + const char *inst = getname; + if EQ("") return 0; + else if EQ("isnumber") { + lua_pushintegral(L, lua_isnumber(L, getnum)); + } + else if EQ("isstring") { + lua_pushintegral(L, lua_isstring(L, getnum)); + } + else if EQ("istable") { + lua_pushintegral(L, lua_istable(L, getnum)); + } + else if EQ("iscfunction") { + lua_pushintegral(L, lua_iscfunction(L, getnum)); + } + else if EQ("isfunction") { + lua_pushintegral(L, lua_isfunction(L, getnum)); + } + else if EQ("isuserdata") { + lua_pushintegral(L, lua_isuserdata(L, getnum)); + } + else if EQ("isudataval") { + lua_pushintegral(L, lua_islightuserdata(L, getnum)); + } + else if EQ("isnil") { + lua_pushintegral(L, lua_isnil(L, getnum)); + } + else if EQ("isnull") { + lua_pushintegral(L, lua_isnone(L, getnum)); + } + else if EQ("tonumber") { + lua_pushnumber(L, lua_tonumber(L, getnum)); + } + else if EQ("tostring") { + const char *s = lua_tostring(L, getnum); + lua_pushstring(L, s); + } + else if EQ("strlen") { + lua_pushintegral(L, lua_strlen(L, getnum)); + } + else if EQ("tocfunction") { + lua_pushcfunction(L, lua_tocfunction(L, getnum)); + } + else if EQ("return") { + return getnum; + } + else if EQ("gettop") { + lua_pushintegral(L, lua_gettop(L)); + } + else if EQ("settop") { + lua_settop(L, getnum); + } + else if EQ("pop") { + lua_pop(L, getnum); + } + else if EQ("pushnum") { + lua_pushintegral(L, getnum); + } + else if EQ("pushnil") { + lua_pushnil(L); + } + else if EQ("pushbool") { + lua_pushboolean(L, getnum); + } + else if EQ("tobool") { + lua_pushintegral(L, lua_toboolean(L, getnum)); + } + else if EQ("pushvalue") { + lua_pushvalue(L, getnum); + } + else if EQ("pushcclosure") { + lua_pushcclosure(L, testC, getnum); + } + else if EQ("pushupvalues") { + lua_pushupvalues(L); + } + else if EQ("remove") { + lua_remove(L, getnum); + } + else if EQ("insert") { + lua_insert(L, getnum); + } + else if EQ("replace") { + lua_replace(L, getnum); + } + else if EQ("gettable") { + lua_gettable(L, getnum); + } + else if EQ("settable") { + lua_settable(L, getnum); + } + else if EQ("next") { + lua_next(L, -2); + } + else if EQ("concat") { + lua_concat(L, getnum); + } + else if EQ("lessthan") { + int a = getnum; + lua_pushboolean(L, lua_lessthan(L, a, getnum)); + } + else if EQ("equal") { + int a = getnum; + lua_pushboolean(L, lua_equal(L, a, getnum)); + } + else if EQ("rawcall") { + int narg = getnum; + int nres = getnum; + lua_call(L, narg, nres); + } + else if EQ("call") { + int narg = getnum; + int nres = getnum; + lua_pcall(L, narg, nres, 0); + } + else if EQ("loadstring") { + size_t sl; + const char *s = luaL_checklstring(L, getnum, &sl); + luaL_loadbuffer(L, s, sl, s); + } + else if EQ("loadfile") { + luaL_loadfile(L, luaL_checkstring(L, getnum)); + } + else if EQ("setmetatable") { + lua_setmetatable(L, getnum); + } + else if EQ("getmetatable") { + if (lua_getmetatable(L, getnum) == 0) + lua_pushnil(L); + } + else if EQ("type") { + lua_pushstring(L, lua_typename(L, lua_type(L, getnum))); + } + else if EQ("getn") { + int i = getnum; + lua_pushintegral(L, luaL_getn(L, i)); + } + else if EQ("setn") { + int i = getnum; + int n = cast(int, lua_tonumber(L, -1)); + luaL_setn(L, i, n); + lua_pop(L, 1); + } + else luaL_error(L, "unknown instruction %s", buff); + } + return 0; +} + +/* }====================================================== */ + + +/* +** {====================================================== +** tests for yield inside hooks +** ======================================================= +*/ + +static void yieldf (lua_State *L, lua_Debug *ar) { + lua_yield(L, 0); +} + +static int setyhook (lua_State *L) { + if (lua_isnoneornil(L, 1)) + lua_sethook(L, NULL, 0, 0); /* turn off hooks */ + else { + const char *smask = luaL_checkstring(L, 1); + int count = luaL_optint(L, 2, 0); + int mask = 0; + if (strchr(smask, 'l')) mask |= LUA_MASKLINE; + if (count > 0) mask |= LUA_MASKCOUNT; + lua_sethook(L, yieldf, mask, count); + } + return 0; +} + + +static int coresume (lua_State *L) { + int status; + lua_State *co = lua_tothread(L, 1); + luaL_argcheck(L, co, 1, "coroutine expected"); + status = lua_resume(co, 0); + if (status != 0) { + lua_pushboolean(L, 0); + lua_insert(L, -2); + return 2; /* return false + error message */ + } + else { + lua_pushboolean(L, 1); + return 1; + } +} + +/* }====================================================== */ + + + +static const struct luaL_reg tests_funcs[] = { + {"hash", hash_query}, + {"limits", get_limits}, + {"listcode", listcode}, + {"listk", listk}, + {"listlocals", listlocals}, + {"loadlib", loadlib}, + {"stacklevel", stacklevel}, + {"querystr", string_query}, + {"querytab", table_query}, + {"doit", test_do}, + {"testC", testC}, + {"ref", tref}, + {"getref", getref}, + {"unref", unref}, + {"d2s", d2s}, + {"s2d", s2d}, + {"metatable", metatable}, + {"upvalue", upvalue}, + {"newuserdata", newuserdata}, + {"pushuserdata", pushuserdata}, + {"udataval", udataval}, + {"doonnewstack", doonnewstack}, + {"newstate", newstate}, + {"closestate", closestate}, + {"doremote", doremote}, + {"log2", log2_aux}, + {"int2fb", int2fb_aux}, + {"totalmem", mem_query}, + {"resume", coresume}, + {"setyhook", setyhook}, + {NULL, NULL} +}; + + +static void fim (void) { + if (!islocked) + lua_close(lua_state); + lua_assert(memdebug_numblocks == 0); + lua_assert(memdebug_total == 0); +} + + +static int l_panic (lua_State *L) { + UNUSED(L); + fprintf(stderr, "unable to recover; exiting\n"); + return 0; +} + + +int luaB_opentests (lua_State *L) { + lua_atpanic(L, l_panic); + lua_userstateopen(L); /* init lock */ + lua_state = L; /* keep first state to be opened */ + luaL_openlib(L, "T", tests_funcs, 0); + atexit(fim); + return 0; +} + + +#undef main +int main (int argc, char *argv[]) { + char *limit = getenv("MEMLIMIT"); + if (limit) + memdebug_memlimit = strtoul(limit, NULL, 10); + l_main(argc, argv); + return 0; +} + +#endif -- cgit v1.2.3