mirror of
https://github.com/lua/lua.git
synced 2024-12-02 22:53:25 +08:00
282 lines
7.2 KiB
C
282 lines
7.2 KiB
C
/*
|
|
** $Id: ltests.c,v 1.7 2000/02/08 16:34:31 roberto Exp roberto $
|
|
** Internal Module for Debugging of the Lua Implementation
|
|
** See Copyright Notice in lua.h
|
|
*/
|
|
|
|
|
|
#include <ctype.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#define LUA_REENTRANT
|
|
|
|
#include "lapi.h"
|
|
#include "lauxlib.h"
|
|
#include "lmem.h"
|
|
#include "lstate.h"
|
|
#include "lstring.h"
|
|
#include "ltable.h"
|
|
#include "lua.h"
|
|
#include "luadebug.h"
|
|
|
|
|
|
void luaB_opentests (lua_State *L);
|
|
|
|
|
|
/*
|
|
** The whole module only makes sense with DEBUG on
|
|
*/
|
|
#ifdef DEBUG
|
|
|
|
|
|
static void mem_query (lua_State *L) {
|
|
lua_pushnumber(L, memdebug_total);
|
|
lua_pushnumber(L, memdebug_numblocks);
|
|
}
|
|
|
|
|
|
static void hash_query (lua_State *L) {
|
|
lua_Object o = luaL_nonnullarg(L, 1);
|
|
if (lua_getparam(L, 2) == LUA_NOOBJECT) {
|
|
luaL_arg_check(L, ttype(o) == LUA_T_STRING, 1, "string expected");
|
|
lua_pushnumber(L, tsvalue(o)->hash);
|
|
}
|
|
else {
|
|
const Hash *t = avalue(luaL_tablearg(L, 2));
|
|
lua_pushnumber(L, luaH_mainposition(t, o) - t->node);
|
|
}
|
|
}
|
|
|
|
|
|
static void table_query (lua_State *L) {
|
|
const Hash *t = avalue(luaL_tablearg(L, 1));
|
|
int i = luaL_opt_int(L, 2, -1);
|
|
if (i == -1) {
|
|
lua_pushnumber(L, t->size);
|
|
lua_pushnumber(L, t->firstfree - t->node);
|
|
}
|
|
else if (i < t->size) {
|
|
luaA_pushobject(L, &t->node[i].key);
|
|
luaA_pushobject(L, &t->node[i].val);
|
|
if (t->node[i].next)
|
|
lua_pushnumber(L, t->node[i].next - t->node);
|
|
}
|
|
}
|
|
|
|
|
|
static void query_strings (lua_State *L) {
|
|
int h = luaL_check_int(L, 1) - 1;
|
|
int s = luaL_opt_int(L, 2, 0) - 1;
|
|
if (s==-1) {
|
|
if (h < NUM_HASHS) {
|
|
lua_pushnumber(L, L->string_root[h].nuse);
|
|
lua_pushnumber(L, L->string_root[h].size);
|
|
}
|
|
}
|
|
else {
|
|
TaggedString *ts = L->string_root[h].hash[s];
|
|
for (ts = L->string_root[h].hash[s]; ts; ts = ts->nexthash) {
|
|
if (ts->constindex == -1) lua_pushstring(L, "<USERDATA>");
|
|
else lua_pushstring(L, ts->str);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
static const char *delimits = " \t\n,;";
|
|
|
|
static void skip (const char **pc) {
|
|
while (**pc != '\0' && strchr(delimits, **pc)) (*pc)++;
|
|
}
|
|
|
|
static int getnum (const char **pc) {
|
|
int res = 0;
|
|
skip(pc);
|
|
while (isdigit(**pc)) res = res*10 + (*(*pc)++) - '0';
|
|
return res;
|
|
}
|
|
|
|
static int getreg (lua_State *L, const char **pc) {
|
|
skip(pc);
|
|
if (*(*pc)++ != 'r') lua_error(L, "`testC' expecting a register");
|
|
return getnum(pc);
|
|
}
|
|
|
|
static const char *getname (const char **pc) {
|
|
static char buff[30];
|
|
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)
|
|
|
|
/*
|
|
** 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 void testC (lua_State *L) {
|
|
lua_Object reg[10];
|
|
const char *pc = luaL_check_string(L, 1);
|
|
for (;;) {
|
|
const char *inst = getname(&pc);
|
|
if EQ("") return;
|
|
else if EQ("pushnum") {
|
|
lua_pushnumber(L, getnum(&pc));
|
|
}
|
|
else if EQ("createtable") {
|
|
reg[getreg(L, &pc)] = lua_createtable(L);
|
|
}
|
|
else if EQ("closure") {
|
|
lua_CFunction f = lua_getcfunction(L, lua_getglobal(L, getname(&pc)));
|
|
lua_pushcclosure(L, f, getnum(&pc));
|
|
}
|
|
else if EQ("pop") {
|
|
reg[getreg(L, &pc)] = lua_pop(L);
|
|
}
|
|
else if EQ("getglobal") {
|
|
int n = getreg(L, &pc);
|
|
reg[n] = lua_getglobal(L, getname(&pc));
|
|
}
|
|
else if EQ("rawgetglobal") {
|
|
int n = getreg(L, &pc);
|
|
reg[n] = lua_rawgetglobal(L, getname(&pc));
|
|
}
|
|
else if EQ("ref") {
|
|
lua_pushnumber(L, lua_ref(L, 0));
|
|
reg[getreg(L, &pc)] = lua_pop(L);
|
|
}
|
|
else if EQ("reflock") {
|
|
lua_pushnumber(L, lua_ref(L, 1));
|
|
reg[getreg(L, &pc)] = lua_pop(L);
|
|
}
|
|
else if EQ("getref") {
|
|
int n = getreg(L, &pc);
|
|
reg[n] = lua_getref(L, (int)lua_getnumber(L, reg[getreg(L, &pc)]));
|
|
}
|
|
else if EQ("unref") {
|
|
lua_unref(L, (int)lua_getnumber(L, reg[getreg(L, &pc)]));
|
|
}
|
|
else if EQ("getparam") {
|
|
int n = getreg(L, &pc);
|
|
reg[n] = lua_getparam(L, getnum(&pc)+1); /* skips the command itself */
|
|
}
|
|
else if EQ("getresult") {
|
|
int n = getreg(L, &pc);
|
|
reg[n] = lua_getparam(L, getnum(&pc));
|
|
}
|
|
else if EQ("setglobal") {
|
|
lua_setglobal(L, getname(&pc));
|
|
}
|
|
else if EQ("rawsetglobal") {
|
|
lua_rawsetglobal(L, getname(&pc));
|
|
}
|
|
else if EQ("pushstring") {
|
|
lua_pushstring(L, getname(&pc));
|
|
}
|
|
else if EQ("pushreg") {
|
|
lua_pushobject(L, reg[getreg(L, &pc)]);
|
|
}
|
|
else if EQ("call") {
|
|
if (lua_call(L, getname(&pc))) lua_error(L, NULL);
|
|
}
|
|
else if EQ("gettable") {
|
|
reg[getreg(L, &pc)] = lua_gettable(L);
|
|
}
|
|
else if EQ("rawgettable") {
|
|
reg[getreg(L, &pc)] = lua_rawgettable(L);
|
|
}
|
|
else if EQ("settable") {
|
|
lua_settable(L);
|
|
}
|
|
else if EQ("rawsettable") {
|
|
lua_rawsettable(L);
|
|
}
|
|
else if EQ("tag") {
|
|
lua_pushnumber(L, lua_tag(L, reg[getreg(L, &pc)]));
|
|
}
|
|
else if EQ("type") {
|
|
lua_pushstring(L, lua_type(L, reg[getreg(L, &pc)]));
|
|
}
|
|
else if EQ("nextvar") {
|
|
lua_pushstring(L, lua_nextvar(L, lua_getstring(L, reg[getreg(L, &pc)])));
|
|
}
|
|
else if EQ("next") {
|
|
int n = getreg(L, &pc);
|
|
n = lua_next(L, reg[n], (int)lua_getnumber(L, reg[getreg(L, &pc)]));
|
|
lua_pushnumber(L, n);
|
|
}
|
|
else if EQ("equal") {
|
|
int n1 = getreg(L, &pc);
|
|
int n2 = getreg(L, &pc);
|
|
lua_pushnumber(L, lua_equal(L, reg[n1], reg[n2]));
|
|
}
|
|
else if EQ("pushusertag") {
|
|
int val = getreg(L, &pc);
|
|
int tag = getreg(L, &pc);
|
|
lua_pushusertag(L, (void *)(int)lua_getnumber(L, reg[val]),
|
|
(int)lua_getnumber(L, reg[tag]));
|
|
}
|
|
else if EQ("udataval") {
|
|
int n = getreg(L, &pc);
|
|
lua_pushnumber(L, (int)lua_getuserdata(L, reg[getreg(L, &pc)]));
|
|
reg[n] = lua_pop(L);
|
|
}
|
|
else if EQ("settagmethod") {
|
|
int n = getreg(L, &pc);
|
|
lua_settagmethod(L, (int)lua_getnumber(L, reg[n]), getname(&pc));
|
|
}
|
|
else if EQ("beginblock") {
|
|
lua_beginblock(L);
|
|
}
|
|
else if EQ("endblock") {
|
|
lua_endblock(L);
|
|
}
|
|
else if EQ("newstate") {
|
|
int stacksize = getnum(&pc);
|
|
lua_State *L1 = lua_newstate("stack", stacksize,
|
|
"builtin", getnum(&pc), NULL);
|
|
lua_pushuserdata(L, L1);
|
|
}
|
|
else if EQ("closestate") {
|
|
lua_close((lua_State *)lua_getuserdata(L, reg[getreg(L, &pc)]));
|
|
}
|
|
else if EQ("doremote") {
|
|
lua_Object ol1 = reg[getreg(L, &pc)];
|
|
lua_Object str = reg[getreg(L, &pc)];
|
|
lua_State *L1;
|
|
lua_Object temp;
|
|
int i;
|
|
if (!lua_isuserdata(L, ol1) || !lua_isstring(L, str))
|
|
lua_error(L, "bad arguments for `doremote'");
|
|
L1 = (lua_State *)lua_getuserdata(L, ol1);
|
|
lua_dostring(L1, lua_getstring(L, str));
|
|
i = 1;
|
|
while ((temp = lua_getresult(L1, i++)) != LUA_NOOBJECT)
|
|
lua_pushstring(L, lua_getstring(L1, temp));
|
|
}
|
|
else luaL_verror(L, "unknown command in `testC': %.20s", inst);
|
|
}
|
|
}
|
|
|
|
|
|
static const struct luaL_reg tests_funcs[] = {
|
|
{"hash", hash_query},
|
|
{"querystr", query_strings},
|
|
{"querytab", table_query},
|
|
{"testC", testC},
|
|
{"totalmem", mem_query}
|
|
};
|
|
|
|
|
|
void luaB_opentests (lua_State *L) {
|
|
luaL_openl(L, tests_funcs);
|
|
}
|
|
|
|
#endif
|