1999-01-08 19:47:44 +03:00
|
|
|
/*
|
2014-05-15 23:27:33 +04:00
|
|
|
** $Id: ldblib.c,v 1.138 2014/04/30 18:59:15 roberto Exp roberto $
|
1999-01-08 19:47:44 +03:00
|
|
|
** Interface from Lua to its debug API
|
|
|
|
** See Copyright Notice in lua.h
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
2000-05-12 23:49:18 +04:00
|
|
|
#include <stdio.h>
|
1999-01-08 19:47:44 +03:00
|
|
|
#include <stdlib.h>
|
|
|
|
#include <string.h>
|
|
|
|
|
2002-12-04 20:38:31 +03:00
|
|
|
#define ldblib_c
|
2004-05-01 00:13:38 +04:00
|
|
|
#define LUA_LIB
|
2002-12-04 20:38:31 +03:00
|
|
|
|
1999-01-08 19:47:44 +03:00
|
|
|
#include "lua.h"
|
2000-06-12 17:52:05 +04:00
|
|
|
|
|
|
|
#include "lauxlib.h"
|
1999-01-11 21:57:35 +03:00
|
|
|
#include "lualib.h"
|
1999-01-08 19:47:44 +03:00
|
|
|
|
|
|
|
|
2011-01-10 18:51:19 +03:00
|
|
|
#define HOOKKEY "_HKEY"
|
|
|
|
|
|
|
|
|
2014-04-30 22:59:15 +04:00
|
|
|
static int db_Csize (lua_State *L) {
|
|
|
|
static struct {
|
|
|
|
char c;
|
|
|
|
unsigned char sz;
|
|
|
|
} sizes[] = {
|
|
|
|
{'I', sizeof(lua_Integer)},
|
|
|
|
{'F', sizeof(lua_Number)},
|
2014-05-15 23:27:33 +04:00
|
|
|
{'b', CHAR_BIT}, /* here is number of bits (not bytes) */
|
2014-04-30 22:59:15 +04:00
|
|
|
{'h', sizeof(short)},
|
|
|
|
{'i', sizeof(int)},
|
|
|
|
{'l', sizeof(long)},
|
|
|
|
{'z', sizeof(size_t)},
|
|
|
|
{'f', sizeof(float)},
|
|
|
|
{'d', sizeof(double)}
|
|
|
|
};
|
2013-06-25 23:37:00 +04:00
|
|
|
const char *s = luaL_checkstring(L, 1);
|
2014-04-30 22:59:15 +04:00
|
|
|
int i;
|
|
|
|
for (i = 0; i < (int)(sizeof(sizes)/sizeof(sizes[0])); i++) {
|
|
|
|
if (*s == sizes[i].c) {
|
|
|
|
lua_pushinteger(L, sizes[i].sz);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return luaL_argerror(L, 1, lua_pushfstring(L, "invalid option '%c'", *s));
|
2013-06-25 23:37:00 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-11-01 19:08:32 +03:00
|
|
|
static int db_getregistry (lua_State *L) {
|
|
|
|
lua_pushvalue(L, LUA_REGISTRYINDEX);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-03-08 23:10:05 +03:00
|
|
|
static int db_getmetatable (lua_State *L) {
|
2005-02-18 15:40:02 +03:00
|
|
|
luaL_checkany(L, 1);
|
|
|
|
if (!lua_getmetatable(L, 1)) {
|
|
|
|
lua_pushnil(L); /* no metatable */
|
|
|
|
}
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-03-08 23:10:05 +03:00
|
|
|
static int db_setmetatable (lua_State *L) {
|
2005-02-18 15:40:02 +03:00
|
|
|
int t = lua_type(L, 2);
|
|
|
|
luaL_argcheck(L, t == LUA_TNIL || t == LUA_TTABLE, 2,
|
|
|
|
"nil or table expected");
|
|
|
|
lua_settop(L, 2);
|
2010-12-20 20:24:15 +03:00
|
|
|
lua_setmetatable(L, 1);
|
|
|
|
return 1; /* return 1st argument */
|
2005-02-18 15:40:02 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-07-25 19:18:19 +04:00
|
|
|
static int db_getuservalue (lua_State *L) {
|
2010-11-16 21:01:28 +03:00
|
|
|
if (lua_type(L, 1) != LUA_TUSERDATA)
|
|
|
|
lua_pushnil(L);
|
|
|
|
else
|
|
|
|
lua_getuservalue(L, 1);
|
2005-02-18 15:40:02 +03:00
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2010-07-25 19:18:19 +04:00
|
|
|
static int db_setuservalue (lua_State *L) {
|
2010-11-16 21:01:28 +03:00
|
|
|
luaL_checktype(L, 1, LUA_TUSERDATA);
|
2014-02-19 17:52:42 +04:00
|
|
|
luaL_checkany(L, 2);
|
2005-02-18 15:40:02 +03:00
|
|
|
lua_settop(L, 2);
|
2010-07-25 19:18:19 +04:00
|
|
|
lua_setuservalue(L, 1);
|
2005-02-18 15:40:02 +03:00
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2014-05-15 23:27:33 +04:00
|
|
|
/*
|
|
|
|
** Auxiliary function used by several library functions: check for
|
|
|
|
** an optional thread as function's first argument and set 'arg' with
|
|
|
|
** 1 if this argument is present (so that functions can skip it to
|
|
|
|
** access their other arguments)
|
|
|
|
*/
|
2003-07-07 17:37:08 +04:00
|
|
|
static lua_State *getthread (lua_State *L, int *arg) {
|
|
|
|
if (lua_isthread(L, 1)) {
|
|
|
|
*arg = 1;
|
|
|
|
return lua_tothread(L, 1);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
*arg = 0;
|
2014-05-15 23:27:33 +04:00
|
|
|
return L; /* function will operate over current thread */
|
2003-07-07 17:37:08 +04:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2014-05-15 23:27:33 +04:00
|
|
|
/*
|
|
|
|
** Variations of 'lua_settable', used by 'db_getinfo' to put results
|
|
|
|
** from 'lua_getinfo' into result table. Key is always a string;
|
|
|
|
** value can be a string, an int, or a boolean.
|
|
|
|
*/
|
|
|
|
static void settabss (lua_State *L, const char *k, const char *v) {
|
|
|
|
lua_pushstring(L, v);
|
|
|
|
lua_setfield(L, -2, k);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void settabsi (lua_State *L, const char *k, int v) {
|
|
|
|
lua_pushinteger(L, v);
|
|
|
|
lua_setfield(L, -2, k);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void settabsb (lua_State *L, const char *k, int v) {
|
|
|
|
lua_pushboolean(L, v);
|
|
|
|
lua_setfield(L, -2, k);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
** In function 'db_getinfo', the call to 'lua_getinfo' may push
|
|
|
|
** results on the stack; later it creates the result table to put
|
|
|
|
** these objects. Function 'treatstackoption' puts the result from
|
|
|
|
** 'lua_getinfo' on top of the result table so that it can call
|
|
|
|
** 'lua_setfield'.
|
|
|
|
*/
|
2005-05-16 22:45:15 +04:00
|
|
|
static void treatstackoption (lua_State *L, lua_State *L1, const char *fname) {
|
2014-05-15 23:27:33 +04:00
|
|
|
if (L == L1)
|
|
|
|
lua_rotate(L, -2, 1); /* exchange object and table */
|
2005-05-16 22:45:15 +04:00
|
|
|
else
|
2014-05-15 23:27:33 +04:00
|
|
|
lua_xmove(L1, L, 1); /* move object to the "main" stack */
|
|
|
|
lua_setfield(L, -2, fname); /* put object into table */
|
2005-05-16 22:45:15 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2014-05-15 23:27:33 +04:00
|
|
|
/*
|
|
|
|
** Calls 'lua_getinfo' and collects all results in a new table.
|
|
|
|
*/
|
2005-03-08 23:10:05 +03:00
|
|
|
static int db_getinfo (lua_State *L) {
|
2000-03-30 21:19:48 +04:00
|
|
|
lua_Debug ar;
|
2003-07-07 17:37:08 +04:00
|
|
|
int arg;
|
|
|
|
lua_State *L1 = getthread(L, &arg);
|
2009-11-25 18:27:51 +03:00
|
|
|
const char *options = luaL_optstring(L, arg+2, "flnStu");
|
2014-05-15 23:27:33 +04:00
|
|
|
if (lua_isfunction(L, arg + 1)) { /* info about a function? */
|
|
|
|
options = lua_pushfstring(L, ">%s", options); /* add '>' to 'options' */
|
|
|
|
lua_pushvalue(L, arg + 1); /* move function to 'L1' stack */
|
|
|
|
lua_xmove(L, L1, 1);
|
|
|
|
}
|
|
|
|
else { /* stack level */
|
|
|
|
if (!lua_getstack(L1, luaL_checkint(L, arg + 1), &ar)) {
|
2000-05-12 23:49:18 +04:00
|
|
|
lua_pushnil(L); /* level out of range */
|
2000-08-28 21:57:04 +04:00
|
|
|
return 1;
|
2000-05-12 23:49:18 +04:00
|
|
|
}
|
|
|
|
}
|
2003-07-07 17:37:08 +04:00
|
|
|
if (!lua_getinfo(L1, options, &ar))
|
|
|
|
return luaL_argerror(L, arg+2, "invalid option");
|
2014-05-15 23:27:33 +04:00
|
|
|
lua_newtable(L); /* table to collect results */
|
2005-05-16 22:45:15 +04:00
|
|
|
if (strchr(options, 'S')) {
|
|
|
|
settabss(L, "source", ar.source);
|
|
|
|
settabss(L, "short_src", ar.short_src);
|
|
|
|
settabsi(L, "linedefined", ar.linedefined);
|
|
|
|
settabsi(L, "lastlinedefined", ar.lastlinedefined);
|
|
|
|
settabss(L, "what", ar.what);
|
|
|
|
}
|
|
|
|
if (strchr(options, 'l'))
|
|
|
|
settabsi(L, "currentline", ar.currentline);
|
2010-01-06 17:42:35 +03:00
|
|
|
if (strchr(options, 'u')) {
|
2005-05-16 22:45:15 +04:00
|
|
|
settabsi(L, "nups", ar.nups);
|
2010-01-06 17:42:35 +03:00
|
|
|
settabsi(L, "nparams", ar.nparams);
|
|
|
|
settabsb(L, "isvararg", ar.isvararg);
|
|
|
|
}
|
2005-05-16 22:45:15 +04:00
|
|
|
if (strchr(options, 'n')) {
|
|
|
|
settabss(L, "name", ar.name);
|
|
|
|
settabss(L, "namewhat", ar.namewhat);
|
1999-01-08 19:47:44 +03:00
|
|
|
}
|
2010-01-06 17:42:35 +03:00
|
|
|
if (strchr(options, 't'))
|
|
|
|
settabsb(L, "istailcall", ar.istailcall);
|
2005-05-16 22:45:15 +04:00
|
|
|
if (strchr(options, 'L'))
|
|
|
|
treatstackoption(L, L1, "activelines");
|
|
|
|
if (strchr(options, 'f'))
|
|
|
|
treatstackoption(L, L1, "func");
|
2000-08-28 21:57:04 +04:00
|
|
|
return 1; /* return table */
|
1999-01-08 19:47:44 +03:00
|
|
|
}
|
2006-09-11 18:07:24 +04:00
|
|
|
|
1999-01-08 19:47:44 +03:00
|
|
|
|
2005-03-08 23:10:05 +03:00
|
|
|
static int db_getlocal (lua_State *L) {
|
2003-07-07 17:37:08 +04:00
|
|
|
int arg;
|
|
|
|
lua_State *L1 = getthread(L, &arg);
|
2000-03-30 21:19:48 +04:00
|
|
|
lua_Debug ar;
|
2001-11-28 23:13:13 +03:00
|
|
|
const char *name;
|
2010-06-21 20:30:12 +04:00
|
|
|
int nvar = luaL_checkint(L, arg+2); /* local-variable index */
|
|
|
|
if (lua_isfunction(L, arg + 1)) { /* function argument? */
|
|
|
|
lua_pushvalue(L, arg + 1); /* push function */
|
|
|
|
lua_pushstring(L, lua_getlocal(L, NULL, nvar)); /* push local name */
|
2014-05-15 23:27:33 +04:00
|
|
|
return 1; /* return only name (there is no value) */
|
1999-01-08 19:47:44 +03:00
|
|
|
}
|
2010-06-21 20:30:12 +04:00
|
|
|
else { /* stack-level argument */
|
|
|
|
if (!lua_getstack(L1, luaL_checkint(L, arg+1), &ar)) /* out of range? */
|
|
|
|
return luaL_argerror(L, arg+1, "level out of range");
|
|
|
|
name = lua_getlocal(L1, &ar, nvar);
|
|
|
|
if (name) {
|
2014-05-15 23:27:33 +04:00
|
|
|
lua_xmove(L1, L, 1); /* move local value */
|
2010-06-21 20:30:12 +04:00
|
|
|
lua_pushstring(L, name); /* push name */
|
2014-05-15 23:27:33 +04:00
|
|
|
lua_rotate(L, -2, 1); /* re-order */
|
2010-06-21 20:30:12 +04:00
|
|
|
return 2;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
lua_pushnil(L); /* no name (nor value) */
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
}
|
1999-01-08 19:47:44 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-03-08 23:10:05 +03:00
|
|
|
static int db_setlocal (lua_State *L) {
|
2003-07-07 17:37:08 +04:00
|
|
|
int arg;
|
|
|
|
lua_State *L1 = getthread(L, &arg);
|
2000-03-30 21:19:48 +04:00
|
|
|
lua_Debug ar;
|
2003-07-07 17:37:08 +04:00
|
|
|
if (!lua_getstack(L1, luaL_checkint(L, arg+1), &ar)) /* out of range? */
|
|
|
|
return luaL_argerror(L, arg+1, "level out of range");
|
|
|
|
luaL_checkany(L, arg+3);
|
|
|
|
lua_settop(L, arg+3);
|
|
|
|
lua_xmove(L, L1, 1);
|
|
|
|
lua_pushstring(L, lua_setlocal(L1, &ar, luaL_checkint(L, arg+2)));
|
2000-08-28 21:57:04 +04:00
|
|
|
return 1;
|
1999-01-08 19:47:44 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2014-05-15 23:27:33 +04:00
|
|
|
/*
|
|
|
|
** get (if 'get' is true) or set an upvalue from a closure
|
|
|
|
*/
|
2002-12-19 14:11:55 +03:00
|
|
|
static int auxupvalue (lua_State *L, int get) {
|
|
|
|
const char *name;
|
2014-05-15 23:27:33 +04:00
|
|
|
int n = luaL_checkint(L, 2); /* upvalue index */
|
|
|
|
luaL_checktype(L, 1, LUA_TFUNCTION); /* closure */
|
2002-12-19 14:11:55 +03:00
|
|
|
name = get ? lua_getupvalue(L, 1, n) : lua_setupvalue(L, 1, n);
|
|
|
|
if (name == NULL) return 0;
|
|
|
|
lua_pushstring(L, name);
|
2014-05-15 23:27:33 +04:00
|
|
|
lua_insert(L, -(get+1)); /* no-op if get is false */
|
2002-12-19 14:11:55 +03:00
|
|
|
return get + 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-03-08 23:10:05 +03:00
|
|
|
static int db_getupvalue (lua_State *L) {
|
2002-12-19 14:11:55 +03:00
|
|
|
return auxupvalue(L, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-03-08 23:10:05 +03:00
|
|
|
static int db_setupvalue (lua_State *L) {
|
2002-12-19 14:11:55 +03:00
|
|
|
luaL_checkany(L, 3);
|
|
|
|
return auxupvalue(L, 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2014-05-15 23:27:33 +04:00
|
|
|
/*
|
|
|
|
** Check whether a given upvalue from a given closure exists and
|
|
|
|
** returns its index
|
|
|
|
*/
|
2009-11-05 19:48:31 +03:00
|
|
|
static int checkupval (lua_State *L, int argf, int argnup) {
|
2014-05-15 23:27:33 +04:00
|
|
|
int nup = luaL_checkint(L, argnup); /* upvalue index */
|
|
|
|
luaL_checktype(L, argf, LUA_TFUNCTION); /* closure */
|
|
|
|
luaL_argcheck(L, (lua_getupvalue(L, argf, nup) != NULL), argnup,
|
|
|
|
"invalid upvalue index");
|
2009-11-05 19:48:31 +03:00
|
|
|
return nup;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-11-09 22:10:48 +03:00
|
|
|
static int db_upvalueid (lua_State *L) {
|
2009-11-05 20:26:00 +03:00
|
|
|
int n = checkupval(L, 1, 2);
|
2009-11-09 22:10:48 +03:00
|
|
|
lua_pushlightuserdata(L, lua_upvalueid(L, 1, n));
|
2009-11-05 20:26:00 +03:00
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-11-18 18:50:18 +03:00
|
|
|
static int db_upvaluejoin (lua_State *L) {
|
2009-11-05 19:48:31 +03:00
|
|
|
int n1 = checkupval(L, 1, 2);
|
|
|
|
int n2 = checkupval(L, 3, 4);
|
2009-11-05 20:26:00 +03:00
|
|
|
luaL_argcheck(L, !lua_iscfunction(L, 1), 1, "Lua function expected");
|
|
|
|
luaL_argcheck(L, !lua_iscfunction(L, 3), 3, "Lua function expected");
|
2009-11-09 22:10:48 +03:00
|
|
|
lua_upvaluejoin(L, 1, n1, 3, n2);
|
2009-11-05 19:48:31 +03:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
1999-01-08 19:47:44 +03:00
|
|
|
|
2014-05-15 23:27:33 +04:00
|
|
|
/*
|
|
|
|
** The hook table (at registry[HOOKKEY]) maps threads to their current
|
|
|
|
** hook function
|
|
|
|
*/
|
2012-01-20 00:14:44 +04:00
|
|
|
#define gethooktable(L) luaL_getsubtable(L, LUA_REGISTRYINDEX, HOOKKEY)
|
1999-01-08 19:47:44 +03:00
|
|
|
|
|
|
|
|
2014-05-15 23:27:33 +04:00
|
|
|
/*
|
|
|
|
** Call hook function registered at hook table for the current
|
|
|
|
** thread (if there is one)
|
|
|
|
*/
|
2002-07-08 22:21:33 +04:00
|
|
|
static void hookf (lua_State *L, lua_Debug *ar) {
|
2003-02-27 14:52:30 +03:00
|
|
|
static const char *const hooknames[] =
|
2009-11-25 18:27:51 +03:00
|
|
|
{"call", "return", "line", "count", "tail call"};
|
2011-01-10 18:51:19 +03:00
|
|
|
gethooktable(L);
|
2012-01-20 00:14:44 +04:00
|
|
|
lua_pushthread(L);
|
2014-05-15 23:27:33 +04:00
|
|
|
if (lua_rawget(L, -2) == LUA_TFUNCTION) { /* is there a hook function? */
|
|
|
|
lua_pushstring(L, hooknames[(int)ar->event]); /* push event name */
|
2003-04-03 17:35:34 +04:00
|
|
|
if (ar->currentline >= 0)
|
2014-05-15 23:27:33 +04:00
|
|
|
lua_pushinteger(L, ar->currentline); /* push current line */
|
2002-07-08 22:21:33 +04:00
|
|
|
else lua_pushnil(L);
|
|
|
|
lua_assert(lua_getinfo(L, "lS", ar));
|
2014-05-15 23:27:33 +04:00
|
|
|
lua_call(L, 2, 0); /* call hook function */
|
1999-12-21 21:04:41 +03:00
|
|
|
}
|
1999-01-08 19:47:44 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2014-05-15 23:27:33 +04:00
|
|
|
/*
|
|
|
|
** Convert a string mask (for 'sethook') into a bit mask
|
|
|
|
*/
|
2002-11-25 20:47:13 +03:00
|
|
|
static int makemask (const char *smask, int count) {
|
|
|
|
int mask = 0;
|
2002-07-08 22:21:33 +04:00
|
|
|
if (strchr(smask, 'c')) mask |= LUA_MASKCALL;
|
|
|
|
if (strchr(smask, 'r')) mask |= LUA_MASKRET;
|
|
|
|
if (strchr(smask, 'l')) mask |= LUA_MASKLINE;
|
2002-11-25 20:47:13 +03:00
|
|
|
if (count > 0) mask |= LUA_MASKCOUNT;
|
|
|
|
return mask;
|
2000-10-24 23:12:06 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2014-05-15 23:27:33 +04:00
|
|
|
/*
|
|
|
|
** Convert a bit mask (for 'gethook') into a string mask
|
|
|
|
*/
|
2002-11-25 20:47:13 +03:00
|
|
|
static char *unmakemask (int mask, char *smask) {
|
2002-07-08 22:21:33 +04:00
|
|
|
int i = 0;
|
|
|
|
if (mask & LUA_MASKCALL) smask[i++] = 'c';
|
|
|
|
if (mask & LUA_MASKRET) smask[i++] = 'r';
|
|
|
|
if (mask & LUA_MASKLINE) smask[i++] = 'l';
|
|
|
|
smask[i] = '\0';
|
|
|
|
return smask;
|
2000-10-24 23:12:06 +04:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-03-08 23:10:05 +03:00
|
|
|
static int db_sethook (lua_State *L) {
|
2008-01-18 20:14:47 +03:00
|
|
|
int arg, mask, count;
|
|
|
|
lua_Hook func;
|
2003-07-07 17:37:08 +04:00
|
|
|
lua_State *L1 = getthread(L, &arg);
|
2014-05-15 23:27:33 +04:00
|
|
|
if (lua_isnoneornil(L, arg+1)) { /* no hook? */
|
2003-07-07 17:37:08 +04:00
|
|
|
lua_settop(L, arg+1);
|
2008-01-18 20:14:47 +03:00
|
|
|
func = NULL; mask = 0; count = 0; /* turn off hooks */
|
2002-07-08 22:21:33 +04:00
|
|
|
}
|
|
|
|
else {
|
2003-07-07 17:37:08 +04:00
|
|
|
const char *smask = luaL_checkstring(L, arg+2);
|
|
|
|
luaL_checktype(L, arg+1, LUA_TFUNCTION);
|
2008-01-18 20:14:47 +03:00
|
|
|
count = luaL_optint(L, arg+3, 0);
|
|
|
|
func = hookf; mask = makemask(smask, count);
|
2002-07-08 22:21:33 +04:00
|
|
|
}
|
2012-01-20 00:14:44 +04:00
|
|
|
if (gethooktable(L) == 0) { /* creating hook table? */
|
|
|
|
lua_pushstring(L, "k");
|
|
|
|
lua_setfield(L, -2, "__mode"); /** hooktable.__mode = "k" */
|
|
|
|
lua_pushvalue(L, -1);
|
|
|
|
lua_setmetatable(L, -2); /* setmetatable(hooktable) = hooktable */
|
|
|
|
}
|
2014-05-15 23:27:33 +04:00
|
|
|
lua_pushthread(L1); lua_xmove(L1, L, 1); /* key */
|
|
|
|
lua_pushvalue(L, arg+1); /* value */
|
|
|
|
lua_rawset(L, -3); /* hooktable[L1] = new Lua hook */
|
2008-01-21 16:37:08 +03:00
|
|
|
lua_sethook(L1, func, mask, count); /* set hooks */
|
2002-07-08 22:21:33 +04:00
|
|
|
return 0;
|
1999-01-08 19:47:44 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-03-08 23:10:05 +03:00
|
|
|
static int db_gethook (lua_State *L) {
|
2003-07-07 17:37:08 +04:00
|
|
|
int arg;
|
|
|
|
lua_State *L1 = getthread(L, &arg);
|
2002-07-08 22:21:33 +04:00
|
|
|
char buff[5];
|
2003-07-07 17:37:08 +04:00
|
|
|
int mask = lua_gethookmask(L1);
|
|
|
|
lua_Hook hook = lua_gethook(L1);
|
2002-11-18 18:23:43 +03:00
|
|
|
if (hook != NULL && hook != hookf) /* external hook? */
|
|
|
|
lua_pushliteral(L, "external hook");
|
|
|
|
else {
|
2008-01-21 16:37:08 +03:00
|
|
|
gethooktable(L);
|
2012-01-20 00:14:44 +04:00
|
|
|
lua_pushthread(L1); lua_xmove(L1, L, 1);
|
2014-05-15 23:27:33 +04:00
|
|
|
lua_rawget(L, -2); /* 1st result = hooktable[L1] */
|
2008-01-21 16:37:08 +03:00
|
|
|
lua_remove(L, -2); /* remove hook table */
|
2002-11-18 18:23:43 +03:00
|
|
|
}
|
2014-05-15 23:27:33 +04:00
|
|
|
lua_pushstring(L, unmakemask(mask, buff)); /* 2nd result = mask */
|
|
|
|
lua_pushinteger(L, lua_gethookcount(L1)); /* 3rd result = count */
|
2002-07-08 22:21:33 +04:00
|
|
|
return 3;
|
1999-01-08 19:47:44 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-03-08 23:10:05 +03:00
|
|
|
static int db_debug (lua_State *L) {
|
2002-03-20 15:54:08 +03:00
|
|
|
for (;;) {
|
|
|
|
char buffer[250];
|
2010-02-18 22:18:41 +03:00
|
|
|
luai_writestringerror("%s", "lua_debug> ");
|
2002-03-20 15:54:08 +03:00
|
|
|
if (fgets(buffer, sizeof(buffer), stdin) == 0 ||
|
|
|
|
strcmp(buffer, "cont\n") == 0)
|
|
|
|
return 0;
|
2004-11-17 15:02:41 +03:00
|
|
|
if (luaL_loadbuffer(L, buffer, strlen(buffer), "=(debug command)") ||
|
2010-02-18 22:18:41 +03:00
|
|
|
lua_pcall(L, 0, 0, 0))
|
|
|
|
luai_writestringerror("%s\n", lua_tostring(L, -1));
|
2002-03-20 15:54:08 +03:00
|
|
|
lua_settop(L, 0); /* remove eventual returns */
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2009-02-17 16:21:28 +03:00
|
|
|
static int db_traceback (lua_State *L) {
|
2003-07-07 17:37:08 +04:00
|
|
|
int arg;
|
|
|
|
lua_State *L1 = getthread(L, &arg);
|
2007-04-27 00:39:38 +04:00
|
|
|
const char *msg = lua_tostring(L, arg + 1);
|
2007-06-22 19:33:54 +04:00
|
|
|
if (msg == NULL && !lua_isnoneornil(L, arg + 1)) /* non-string 'msg'? */
|
|
|
|
lua_pushvalue(L, arg + 1); /* return it untouched */
|
|
|
|
else {
|
|
|
|
int level = luaL_optint(L, arg + 2, (L == L1) ? 1 : 0);
|
|
|
|
luaL_traceback(L, L1, msg, level);
|
2002-03-20 15:54:08 +03:00
|
|
|
}
|
2002-05-02 00:48:12 +04:00
|
|
|
return 1;
|
2002-03-20 15:54:08 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
|
2005-08-26 21:36:32 +04:00
|
|
|
static const luaL_Reg dblib[] = {
|
2014-04-30 22:59:15 +04:00
|
|
|
{"Csize", db_Csize},
|
2005-07-12 18:32:08 +04:00
|
|
|
{"debug", db_debug},
|
2010-07-25 19:18:19 +04:00
|
|
|
{"getuservalue", db_getuservalue},
|
2005-03-08 23:10:05 +03:00
|
|
|
{"gethook", db_gethook},
|
2005-07-12 18:32:08 +04:00
|
|
|
{"getinfo", db_getinfo},
|
|
|
|
{"getlocal", db_getlocal},
|
2005-11-01 19:08:32 +03:00
|
|
|
{"getregistry", db_getregistry},
|
2005-07-12 18:32:08 +04:00
|
|
|
{"getmetatable", db_getmetatable},
|
2005-03-08 23:10:05 +03:00
|
|
|
{"getupvalue", db_getupvalue},
|
2009-11-18 18:50:18 +03:00
|
|
|
{"upvaluejoin", db_upvaluejoin},
|
2009-11-09 22:10:48 +03:00
|
|
|
{"upvalueid", db_upvalueid},
|
2010-07-25 19:18:19 +04:00
|
|
|
{"setuservalue", db_setuservalue},
|
2005-03-08 23:10:05 +03:00
|
|
|
{"sethook", db_sethook},
|
|
|
|
{"setlocal", db_setlocal},
|
2005-07-12 18:32:08 +04:00
|
|
|
{"setmetatable", db_setmetatable},
|
2005-03-08 23:10:05 +03:00
|
|
|
{"setupvalue", db_setupvalue},
|
2009-02-17 16:21:28 +03:00
|
|
|
{"traceback", db_traceback},
|
2002-03-20 15:54:08 +03:00
|
|
|
{NULL, NULL}
|
1999-01-08 19:47:44 +03:00
|
|
|
};
|
|
|
|
|
|
|
|
|
2009-11-24 15:05:44 +03:00
|
|
|
LUAMOD_API int luaopen_debug (lua_State *L) {
|
2010-07-02 15:38:13 +04:00
|
|
|
luaL_newlib(L, dblib);
|
2002-12-20 13:26:33 +03:00
|
|
|
return 1;
|
1999-01-08 19:47:44 +03:00
|
|
|
}
|
|
|
|
|