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Pass a errfunc to lua_pcall to get a traceback

This commit is contained in:
ShadowNinja 2013-11-05 12:06:15 -05:00
parent 3f519eb729
commit 371b39a09a
19 changed files with 424 additions and 324 deletions
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9
src/script/common/c_content.cpp
View File

@ -871,6 +871,8 @@ void read_groups(lua_State *L, int index,
/******************************************************************************/
void push_items(lua_State *L, const std::vector<ItemStack> &items)
{
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
// Get the table insert function
lua_getglobal(L, "table");
lua_getfield(L, -1, "insert");
@ -883,11 +885,12 @@ void push_items(lua_State *L, const std::vector<ItemStack> &items)
lua_pushvalue(L, table_insert);
lua_pushvalue(L, table);
LuaItemStack::create(L, item);
if(lua_pcall(L, 2, 0, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 2, 0, errorhandler))
script_error(L);
}
lua_remove(L, -2); // Remove table
lua_remove(L, -2); // Remove insert
lua_remove(L, -2); // Remove table
lua_remove(L, -2); // Remove error handler
}
/******************************************************************************/

58
src/script/common/c_internal.cpp
View File

@ -23,32 +23,41 @@ with this program; if not, write to the Free Software Foundation, Inc.,
std::string script_get_backtrace(lua_State *L)
{
std::string s;
lua_getfield(L, LUA_GLOBALSINDEX, "debug");
lua_getglobal(L, "debug");
if(lua_istable(L, -1)){
lua_getfield(L, -1, "traceback");
if(lua_isfunction(L, -1)){
if(lua_isfunction(L, -1)) {
lua_call(L, 0, 1);
if(lua_isstring(L, -1)){
s += lua_tostring(L, -1);
s = lua_tostring(L, -1);
}
lua_pop(L, 1);
}
else{
lua_pop(L, 1);
}
lua_pop(L, 1);
}
lua_pop(L, 1);
return s;
}
void script_error(lua_State *L, const char *fmt, ...)
int script_error_handler(lua_State *L) {
lua_getglobal(L, "debug");
if (!lua_istable(L, -1)) {
lua_pop(L, 1);
return 1;
}
lua_getfield(L, -1, "traceback");
if (!lua_isfunction(L, -1)) {
lua_pop(L, 2);
return 1;
}
lua_pushvalue(L, 1);
lua_pushinteger(L, 2);
lua_call(L, 2, 1);
return 1;
}
void script_error(lua_State *L)
{
va_list argp;
va_start(argp, fmt);
char buf[10000];
vsnprintf(buf, 10000, fmt, argp);
va_end(argp);
throw LuaError(L, buf);
throw LuaError(NULL, lua_tostring(L, -1));
}
// Push the list of callbacks (a lua table).
@ -61,13 +70,20 @@ void script_run_callbacks(lua_State *L, int nargs, RunCallbacksMode mode)
{
// Insert the return value into the lua stack, below the table
assert(lua_gettop(L) >= nargs + 1);
lua_pushnil(L);
lua_insert(L, -(nargs + 1) - 1);
// Stack now looks like this:
// ... <return value = nil> <table> <arg#1> <arg#2> ... <arg#n>
lua_pushnil(L);
int rv = lua_gettop(L) - nargs - 1;
int table = rv + 1;
lua_insert(L, rv);
// Insert error handler after return value
lua_pushcfunction(L, script_error_handler);
int errorhandler = rv + 1;
lua_insert(L, errorhandler);
// Stack now looks like this:
// ... <return value = nil> <error handler> <table> <arg#1> <arg#2> ... <arg#n>
int table = errorhandler + 1;
int arg = table + 1;
luaL_checktype(L, table, LUA_TTABLE);
@ -81,8 +97,8 @@ void script_run_callbacks(lua_State *L, int nargs, RunCallbacksMode mode)
// Call function
for(int i = 0; i < nargs; i++)
lua_pushvalue(L, arg+i);
if(lua_pcall(L, nargs, 1, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
if(lua_pcall(L, nargs, 1, errorhandler))
script_error(L);
// Move return value to designated space in stack
// Or pop it

9
src/script/common/c_internal.h
View File

@ -64,9 +64,10 @@ enum RunCallbacksMode
// are converted by lua_toboolean to true or false, respectively.
};
std::string script_get_backtrace (lua_State *L);
void script_error (lua_State *L, const char *fmt, ...);
void script_run_callbacks (lua_State *L, int nargs,
RunCallbacksMode mode);
std::string script_get_backtrace(lua_State *L);
int script_error_handler(lua_State *L);
void script_error(lua_State *L);
void script_run_callbacks(lua_State *L, int nargs,
RunCallbacksMode mode);
#endif /* C_INTERNAL_H_ */

5
src/script/common/c_types.cpp
View File

@ -25,9 +25,8 @@ with this program; if not, write to the Free Software Foundation, Inc.,
LuaError::LuaError(lua_State *L, const std::string &s)
{
m_s = "LuaError: ";
m_s += s + "\n";
m_s += script_get_backtrace(L);
m_s = "LuaError: " + s;
if (L) m_s += '\n' + script_get_backtrace(L);
}
struct EnumString es_ItemType[] =

33
src/script/cpp_api/s_base.cpp
View File

@ -55,23 +55,6 @@ public:
}
};
static int loadScript_ErrorHandler(lua_State *L) {
lua_getfield(L, LUA_GLOBALSINDEX, "debug");
if (!lua_istable(L, -1)) {
lua_pop(L, 1);
return 1;
}
lua_getfield(L, -1, "traceback");
if (!lua_isfunction(L, -1)) {
lua_pop(L, 2);
return 1;
}
lua_pushvalue(L, 1);
lua_pushinteger(L, 2);
lua_call(L, 2, 1);
return 1;
}
/*
ScriptApiBase
@ -133,7 +116,7 @@ bool ScriptApiBase::loadScript(const std::string &scriptpath)
lua_State *L = getStack();
lua_pushcfunction(L, loadScript_ErrorHandler);
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
int ret = luaL_loadfile(L, scriptpath.c_str()) || lua_pcall(L, 0, 0, errorhandler);
@ -144,7 +127,7 @@ bool ScriptApiBase::loadScript(const std::string &scriptpath)
errorstream<<std::endl;
errorstream<<lua_tostring(L, -1)<<std::endl;
errorstream<<std::endl;
errorstream<<"=======END OF ERROR FROM LUA ========"<<std::endl;
errorstream<<"======= END OF ERROR FROM LUA ========"<<std::endl;
lua_pop(L, 1); // Pop error message from stack
lua_pop(L, 1); // Pop the error handler from stack
return false;
@ -159,19 +142,13 @@ void ScriptApiBase::realityCheck()
if(top >= 30){
dstream<<"Stack is over 30:"<<std::endl;
stackDump(dstream);
scriptError("Stack is over 30 (reality check)");
throw LuaError(m_luastack, "Stack is over 30 (reality check)");
}
}
void ScriptApiBase::scriptError(const char *fmt, ...)
void ScriptApiBase::scriptError()
{
va_list argp;
va_start(argp, fmt);
char buf[10000];
vsnprintf(buf, 10000, fmt, argp);
va_end(argp);
//errorstream<<"SCRIPT ERROR: "<<buf;
throw LuaError(m_luastack, buf);
throw LuaError(NULL, lua_tostring(m_luastack, -1));
}
void ScriptApiBase::stackDump(std::ostream &o)

3
src/script/cpp_api/s_base.h
View File

@ -31,6 +31,7 @@ extern "C" {
#include "jthread/jmutex.h"
#include "jthread/jmutexautolock.h"
#include "common/c_types.h"
#include "common/c_internal.h"
#define SCRIPTAPI_LOCK_DEBUG
@ -65,7 +66,7 @@ protected:
{ return m_luastack; }
void realityCheck();
void scriptError(const char *fmt, ...);
void scriptError();
void stackDump(std::ostream &o);
Server* getServer() { return m_server; }

60
src/script/cpp_api/s_entity.cpp
View File

@ -78,25 +78,29 @@ void ScriptApiEntity::luaentity_Activate(u16 id,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
verbosestream<<"scriptapi_luaentity_activate: id="<<id<<std::endl;
// Get minetest.luaentities[id]
luaentity_get(L,id);
luaentity_get(L, id);
int object = lua_gettop(L);
// Get on_activate function
lua_pushvalue(L, object);
lua_getfield(L, -1, "on_activate");
if(!lua_isnil(L, -1)){
if(!lua_isnil(L, -1)) {
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_pushvalue(L, object); // self
lua_pushlstring(L, staticdata.c_str(), staticdata.size());
lua_pushinteger(L, dtime_s);
// Call with 3 arguments, 0 results
if(lua_pcall(L, 3, 0, 0))
scriptError("error running function on_activate: %s\n",
lua_tostring(L, -1));
if(lua_pcall(L, 3, 0, errorhandler))
scriptError();
} else {
lua_pop(L, 1);
}
lua_pop(L, 2); // Pop object and error handler
}
void ScriptApiEntity::luaentity_Remove(u16 id)
@ -123,14 +127,16 @@ std::string ScriptApiEntity::luaentity_GetStaticdata(u16 id)
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
//infostream<<"scriptapi_luaentity_get_staticdata: id="<<id<<std::endl;
// Get minetest.luaentities[id]
luaentity_get(L,id);
luaentity_get(L, id);
int object = lua_gettop(L);
// Get get_staticdata function
lua_pushvalue(L, object);
lua_getfield(L, -1, "get_staticdata");
if(lua_isnil(L, -1))
return "";
@ -138,11 +144,12 @@ std::string ScriptApiEntity::luaentity_GetStaticdata(u16 id)
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_pushvalue(L, object); // self
// Call with 1 arguments, 1 results
if(lua_pcall(L, 1, 1, 0))
scriptError("error running function get_staticdata: %s\n",
lua_tostring(L, -1));
if(lua_pcall(L, 1, 1, errorhandler))
scriptError();
lua_remove(L, object); // Remove object
lua_remove(L, errorhandler); // Remove error handler
size_t len=0;
size_t len = 0;
const char *s = lua_tolstring(L, -1, &len);
return std::string(s, len);
}
@ -192,10 +199,13 @@ void ScriptApiEntity::luaentity_Step(u16 id, float dtime)
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
//infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
// Get minetest.luaentities[id]
luaentity_get(L,id);
luaentity_get(L, id);
int object = lua_gettop(L);
// State: object is at top of stack
// Get step function
@ -206,8 +216,10 @@ void ScriptApiEntity::luaentity_Step(u16 id, float dtime)
lua_pushvalue(L, object); // self
lua_pushnumber(L, dtime); // dtime
// Call with 2 arguments, 0 results
if(lua_pcall(L, 2, 0, 0))
scriptError("error running function 'on_step': %s\n", lua_tostring(L, -1));
if(lua_pcall(L, 2, 0, errorhandler))
scriptError();
lua_remove(L, object); // Remove object
lua_remove(L, errorhandler); // Remove error handler
}
// Calls entity:on_punch(ObjectRef puncher, time_from_last_punch,
@ -218,6 +230,9 @@ void ScriptApiEntity::luaentity_Punch(u16 id,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
//infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
// Get minetest.luaentities[id]
@ -235,8 +250,10 @@ void ScriptApiEntity::luaentity_Punch(u16 id,
push_tool_capabilities(L, *toolcap);
push_v3f(L, dir);
// Call with 5 arguments, 0 results
if(lua_pcall(L, 5, 0, 0))
scriptError("error running function 'on_punch': %s\n", lua_tostring(L, -1));
if(lua_pcall(L, 5, 0, errorhandler))
scriptError();
lua_remove(L, object); // Remove object
lua_remove(L, errorhandler); // Remove error handler
}
// Calls entity:on_rightclick(ObjectRef clicker)
@ -245,6 +262,9 @@ void ScriptApiEntity::luaentity_Rightclick(u16 id,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
//infostream<<"scriptapi_luaentity_step: id="<<id<<std::endl;
// Get minetest.luaentities[id]
@ -259,7 +279,9 @@ void ScriptApiEntity::luaentity_Rightclick(u16 id,
lua_pushvalue(L, object); // self
objectrefGetOrCreate(clicker); // Clicker reference
// Call with 2 arguments, 0 results
if(lua_pcall(L, 2, 0, 0))
scriptError("error running function 'on_rightclick': %s\n", lua_tostring(L, -1));
if(lua_pcall(L, 2, 0, errorhandler))
scriptError();
lua_remove(L, object); // Remove object
lua_remove(L, errorhandler); // Remove error handler
}

147
src/script/cpp_api/s_inventory.cpp
View File

@ -33,6 +33,9 @@ int ScriptApiDetached::detached_inventory_AllowMove(
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
// Push callback function on stack
if(!getDetachedInventoryCallback(name, "allow_move"))
return count;
@ -42,23 +45,19 @@ int ScriptApiDetached::detached_inventory_AllowMove(
InventoryLocation loc;
loc.setDetached(name);
InvRef::create(L, loc);
// from_list
lua_pushstring(L, from_list.c_str());
// from_index
lua_pushinteger(L, from_index + 1);
// to_list
lua_pushstring(L, to_list.c_str());
// to_index
lua_pushinteger(L, to_index + 1);
// count
lua_pushinteger(L, count);
// player
objectrefGetOrCreate(player);
if(lua_pcall(L, 7, 1, 0))
scriptError("error: %s", lua_tostring(L, -1));
lua_pushstring(L, from_list.c_str()); // from_list
lua_pushinteger(L, from_index + 1); // from_index
lua_pushstring(L, to_list.c_str()); // to_list
lua_pushinteger(L, to_index + 1); // to_index
lua_pushinteger(L, count); // count
objectrefGetOrCreate(player); // player
if(lua_pcall(L, 7, 1, errorhandler))
scriptError();
if(!lua_isnumber(L, -1))
throw LuaError(L, "allow_move should return a number");
return luaL_checkinteger(L, -1);
int ret = luaL_checkinteger(L, -1);
lua_pop(L, 2); // Pop integer and error handler
return ret;
}
// Return number of accepted items to be put
@ -69,28 +68,28 @@ int ScriptApiDetached::detached_inventory_AllowPut(
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
// Push callback function on stack
if(!getDetachedInventoryCallback(name, "allow_put"))
return stack.count; // All will be accepted
// Call function(inv, listname, index, stack, player)
// inv
InventoryLocation loc;
loc.setDetached(name);
InvRef::create(L, loc);
// listname
lua_pushstring(L, listname.c_str());
// index
lua_pushinteger(L, index + 1);
// stack
LuaItemStack::create(L, stack);
// player
objectrefGetOrCreate(player);
if(lua_pcall(L, 5, 1, 0))
scriptError("error: %s", lua_tostring(L, -1));
InvRef::create(L, loc); // inv
lua_pushstring(L, listname.c_str()); // listname
lua_pushinteger(L, index + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(player); // player
if(lua_pcall(L, 5, 1, errorhandler))
scriptError();
if(!lua_isnumber(L, -1))
throw LuaError(L, "allow_put should return a number");
return luaL_checkinteger(L, -1);
int ret = luaL_checkinteger(L, -1);
lua_pop(L, 2); // Pop integer and error handler
return ret;
}
// Return number of accepted items to be taken
@ -101,28 +100,28 @@ int ScriptApiDetached::detached_inventory_AllowTake(
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
// Push callback function on stack
if(!getDetachedInventoryCallback(name, "allow_take"))
return stack.count; // All will be accepted
// Call function(inv, listname, index, stack, player)
// inv
InventoryLocation loc;
loc.setDetached(name);
InvRef::create(L, loc);
// listname
lua_pushstring(L, listname.c_str());
// index
lua_pushinteger(L, index + 1);
// stack
LuaItemStack::create(L, stack);
// player
objectrefGetOrCreate(player);
if(lua_pcall(L, 5, 1, 0))
scriptError("error: %s", lua_tostring(L, -1));
InvRef::create(L, loc); // inv
lua_pushstring(L, listname.c_str()); // listname
lua_pushinteger(L, index + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(player); // player
if(lua_pcall(L, 5, 1, errorhandler))
scriptError();
if(!lua_isnumber(L, -1))
throw LuaError(L, "allow_take should return a number");
return luaL_checkinteger(L, -1);
int ret = luaL_checkinteger(L, -1);
lua_pop(L, 2); // Pop integer and error handler
return ret;
}
// Report moved items
@ -134,6 +133,9 @@ void ScriptApiDetached::detached_inventory_OnMove(
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
// Push callback function on stack
if(!getDetachedInventoryCallback(name, "on_move"))
return;
@ -143,20 +145,15 @@ void ScriptApiDetached::detached_inventory_OnMove(
InventoryLocation loc;
loc.setDetached(name);
InvRef::create(L, loc);
// from_list
lua_pushstring(L, from_list.c_str());
// from_index
lua_pushinteger(L, from_index + 1);
// to_list
lua_pushstring(L, to_list.c_str());
// to_index
lua_pushinteger(L, to_index + 1);
// count
lua_pushinteger(L, count);
// player
objectrefGetOrCreate(player);
if(lua_pcall(L, 7, 0, 0))
scriptError("error: %s", lua_tostring(L, -1));
lua_pushstring(L, from_list.c_str()); // from_list
lua_pushinteger(L, from_index + 1); // from_index
lua_pushstring(L, to_list.c_str()); // to_list
lua_pushinteger(L, to_index + 1); // to_index
lua_pushinteger(L, count); // count
objectrefGetOrCreate(player); // player
if(lua_pcall(L, 7, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
}
// Report put items
@ -167,6 +164,9 @@ void ScriptApiDetached::detached_inventory_OnPut(
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
// Push callback function on stack
if(!getDetachedInventoryCallback(name, "on_put"))
return;
@ -176,16 +176,13 @@ void ScriptApiDetached::detached_inventory_OnPut(
InventoryLocation loc;
loc.setDetached(name);
InvRef::create(L, loc);
// listname
lua_pushstring(L, listname.c_str());
// index
lua_pushinteger(L, index + 1);
// stack
LuaItemStack::create(L, stack);
// player
objectrefGetOrCreate(player);
if(lua_pcall(L, 5, 0, 0))
scriptError("error: %s", lua_tostring(L, -1));
lua_pushstring(L, listname.c_str()); // listname
lua_pushinteger(L, index + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(player); // player
if(lua_pcall(L, 5, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
}
// Report taken items
@ -196,6 +193,9 @@ void ScriptApiDetached::detached_inventory_OnTake(
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
// Push callback function on stack
if(!getDetachedInventoryCallback(name, "on_take"))
return;
@ -205,16 +205,13 @@ void ScriptApiDetached::detached_inventory_OnTake(
InventoryLocation loc;
loc.setDetached(name);
InvRef::create(L, loc);
// listname
lua_pushstring(L, listname.c_str());
// index
lua_pushinteger(L, index + 1);
// stack
LuaItemStack::create(L, stack);
// player
objectrefGetOrCreate(player);
if(lua_pcall(L, 5, 0, 0))
scriptError("error: %s", lua_tostring(L, -1));
lua_pushstring(L, listname.c_str()); // listname
lua_pushinteger(L, index + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(player); // player
if(lua_pcall(L, 5, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
}
// Retrieves minetest.detached_inventories[name][callbackname]

70
src/script/cpp_api/s_item.cpp
View File

@ -34,6 +34,9 @@ bool ScriptApiItem::item_OnDrop(ItemStack &item,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
// Push callback function on stack
if(!getItemCallback(item.name.c_str(), "on_drop"))
return false;
@ -42,10 +45,11 @@ bool ScriptApiItem::item_OnDrop(ItemStack &item,
LuaItemStack::create(L, item);
objectrefGetOrCreate(dropper);
pushFloatPos(L, pos);
if(lua_pcall(L, 3, 1, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 3, 1, errorhandler))
scriptError();
if(!lua_isnil(L, -1))
item = read_item(L,-1, getServer());
lua_pop(L, 2); // Pop item and error handler
return true;
}
@ -54,6 +58,9 @@ bool ScriptApiItem::item_OnPlace(ItemStack &item,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
// Push callback function on stack
if(!getItemCallback(item.name.c_str(), "on_place"))
return false;
@ -62,10 +69,11 @@ bool ScriptApiItem::item_OnPlace(ItemStack &item,
LuaItemStack::create(L, item);
objectrefGetOrCreate(placer);
pushPointedThing(pointed);
if(lua_pcall(L, 3, 1, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 3, 1, errorhandler))
scriptError();
if(!lua_isnil(L, -1))
item = read_item(L,-1, getServer());
lua_pop(L, 2); // Pop item and error handler
return true;
}
@ -74,6 +82,9 @@ bool ScriptApiItem::item_OnUse(ItemStack &item,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
// Push callback function on stack
if(!getItemCallback(item.name.c_str(), "on_use"))
return false;
@ -82,10 +93,11 @@ bool ScriptApiItem::item_OnUse(ItemStack &item,
LuaItemStack::create(L, item);
objectrefGetOrCreate(user);
pushPointedThing(pointed);
if(lua_pcall(L, 3, 1, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 3, 1, errorhandler))
scriptError();
if(!lua_isnil(L, -1))
item = read_item(L,-1, getServer());
lua_pop(L, 2); // Pop item and error handler
return true;
}
@ -94,6 +106,9 @@ bool ScriptApiItem::item_OnCraft(ItemStack &item, ServerActiveObject *user,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "on_craft");
LuaItemStack::create(L, item);
@ -106,10 +121,11 @@ bool ScriptApiItem::item_OnCraft(ItemStack &item, ServerActiveObject *user,
push_items(L, items);
InvRef::create(L, craft_inv);
if(lua_pcall(L, 4, 1, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 4, 1, errorhandler))
scriptError();
if(!lua_isnil(L, -1))
item = read_item(L,-1, getServer());
lua_pop(L, 2); // Pop item and error handler
return true;
}
@ -118,11 +134,14 @@ bool ScriptApiItem::item_CraftPredict(ItemStack &item, ServerActiveObject *user,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "craft_predict");
LuaItemStack::create(L, item);
objectrefGetOrCreate(user);
//Push inventory list
std::vector<ItemStack> items;
for(u32 i=0; i<old_craft_grid->getSize(); i++)
@ -130,10 +149,11 @@ bool ScriptApiItem::item_CraftPredict(ItemStack &item, ServerActiveObject *user,
push_items(L, items);
InvRef::create(L, craft_inv);
if(lua_pcall(L, 4, 1, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 4, 1, errorhandler))
scriptError();
if(!lua_isnil(L, -1))
item = read_item(L,-1, getServer());
lua_pop(L, 2); // Pop item and error handler
return true;
}
@ -149,15 +169,15 @@ bool ScriptApiItem::getItemCallback(const char *name, const char *callbackname)
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "registered_items");
lua_remove(L, -2);
lua_remove(L, -2); // Remove minetest
luaL_checktype(L, -1, LUA_TTABLE);
lua_getfield(L, -1, name);
lua_remove(L, -2);
lua_remove(L, -2); // Remove registered_items
// Should be a table
if(lua_type(L, -1) != LUA_TTABLE)
{
// Report error and clean up
errorstream<<"Item \""<<name<<"\" not defined"<<std::endl;
errorstream << "Item \"" << name << "\" not defined" << std::endl;
lua_pop(L, 1);
// Try minetest.nodedef_default instead
@ -167,24 +187,16 @@ bool ScriptApiItem::getItemCallback(const char *name, const char *callbackname)
luaL_checktype(L, -1, LUA_TTABLE);
}
lua_getfield(L, -1, callbackname);
lua_remove(L, -2);
lua_remove(L, -2); // Remove item def
// Should be a function or nil
if(lua_type(L, -1) == LUA_TFUNCTION)
{
if (lua_type(L, -1) == LUA_TFUNCTION) {
return true;
} else if (!lua_isnil(L, -1)) {
errorstream << "Item \"" << name << "\" callback \""
<< callbackname << "\" is not a function" << std::endl;
}
else if(lua_isnil(L, -1))
{
lua_pop(L, 1);
return false;
}
else
{
errorstream<<"Item \""<<name<<"\" callback \""
<<callbackname<<" is not a function"<<std::endl;
lua_pop(L, 1);
return false;
}
lua_pop(L, 1);
return false;
}
void ScriptApiItem::pushPointedThing(const PointedThing& pointed)

28
src/script/cpp_api/s_mainmenu.cpp
View File

@ -37,29 +37,41 @@ void ScriptApiMainMenu::handleMainMenuEvent(std::string text)
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
// Get handler function
lua_getglobal(L, "engine");
lua_getfield(L, -1, "event_handler");
if(lua_isnil(L, -1))
lua_remove(L, -2); // Remove engine
if(lua_isnil(L, -1)) {
lua_pop(L, 1); // Pop event_handler
return;
}
luaL_checktype(L, -1, LUA_TFUNCTION);
// Call it
lua_pushstring(L, text.c_str());
if(lua_pcall(L, 1, 0, 0))
scriptError("error running function engine.event_handler: %s\n",
lua_tostring(L, -1));
if(lua_pcall(L, 1, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
}
void ScriptApiMainMenu::handleMainMenuButtons(std::map<std::string, std::string> fields)
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
// Get handler function
lua_getglobal(L, "engine");
lua_getfield(L, -1, "button_handler");
if(lua_isnil(L, -1))
lua_remove(L, -2); // Remove engine
if(lua_isnil(L, -1)) {
lua_pop(L, 1); // Pop button handler
return;
}
luaL_checktype(L, -1, LUA_TFUNCTION);
// Convert fields to lua table
@ -74,7 +86,7 @@ void ScriptApiMainMenu::handleMainMenuButtons(std::map<std::string, std::string>
}
// Call it
if(lua_pcall(L, 1, 0, 0))
scriptError("error running function engine.button_handler: %s\n",
lua_tostring(L, -1));
if(lua_pcall(L, 1, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
}

92
src/script/cpp_api/s_node.cpp
View File

@ -91,6 +91,9 @@ bool ScriptApiNode::node_on_punch(v3s16 p, MapNode node,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
INodeDefManager *ndef = getServer()->ndef();
// Push callback function on stack
@ -101,8 +104,9 @@ bool ScriptApiNode::node_on_punch(v3s16 p, MapNode node,
push_v3s16(L, p);
pushnode(L, node, ndef);
objectrefGetOrCreate(puncher);
if(lua_pcall(L, 3, 0, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 3, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
return true;
}
@ -111,6 +115,9 @@ bool ScriptApiNode::node_on_dig(v3s16 p, MapNode node,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
INodeDefManager *ndef = getServer()->ndef();
// Push callback function on stack
@ -121,8 +128,9 @@ bool ScriptApiNode::node_on_dig(v3s16 p, MapNode node,
push_v3s16(L, p);
pushnode(L, node, ndef);
objectrefGetOrCreate(digger);
if(lua_pcall(L, 3, 0, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 3, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
return true;
}
@ -130,6 +138,9 @@ void ScriptApiNode::node_on_construct(v3s16 p, MapNode node)
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
INodeDefManager *ndef = getServer()->ndef();
// Push callback function on stack
@ -138,14 +149,18 @@ void ScriptApiNode::node_on_construct(v3s16 p, MapNode node)
// Call function
push_v3s16(L, p);
if(lua_pcall(L, 1, 0, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 1, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
}
void ScriptApiNode::node_on_destruct(v3s16 p, MapNode node)
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
INodeDefManager *ndef = getServer()->ndef();
// Push callback function on stack
@ -154,14 +169,18 @@ void ScriptApiNode::node_on_destruct(v3s16 p, MapNode node)
// Call function
push_v3s16(L, p);
if(lua_pcall(L, 1, 0, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 1, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
}
void ScriptApiNode::node_after_destruct(v3s16 p, MapNode node)
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
INodeDefManager *ndef = getServer()->ndef();
// Push callback function on stack
@ -171,14 +190,18 @@ void ScriptApiNode::node_after_destruct(v3s16 p, MapNode node)
// Call function
push_v3s16(L, p);
pushnode(L, node, ndef);
if(lua_pcall(L, 2, 0, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 2, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
}
bool ScriptApiNode::node_on_timer(v3s16 p, MapNode node, f32 dtime)
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
INodeDefManager *ndef = getServer()->ndef();
// Push callback function on stack
@ -188,12 +211,10 @@ bool ScriptApiNode::node_on_timer(v3s16 p, MapNode node, f32 dtime)
// Call function
push_v3s16(L, p);
lua_pushnumber(L,dtime);
if(lua_pcall(L, 2, 1, 0))
scriptError("error: %s", lua_tostring(L, -1));
if((bool)lua_isboolean(L,-1) && (bool)lua_toboolean(L,-1) == true)
return true;
return false;
if(lua_pcall(L, 2, 1, errorhandler))
scriptError();
lua_remove(L, errorhandler); // Remove error handler
return (bool) lua_isboolean(L, -1) && (bool) lua_toboolean(L, -1) == true;
}
void ScriptApiNode::node_on_receive_fields(v3s16 p,
@ -203,6 +224,9 @@ void ScriptApiNode::node_on_receive_fields(v3s16 p,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
INodeDefManager *ndef = getServer()->ndef();
// If node doesn't exist, we don't know what callback to call
@ -215,12 +239,9 @@ void ScriptApiNode::node_on_receive_fields(v3s16 p,
return;
// Call function
// param 1
push_v3s16(L, p);
// param 2
lua_pushstring(L, formname.c_str());
// param 3
lua_newtable(L);
push_v3s16(L, p); // pos
lua_pushstring(L, formname.c_str()); // formname
lua_newtable(L); // fields
for(std::map<std::string, std::string>::const_iterator
i = fields.begin(); i != fields.end(); i++){
const std::string &name = i->first;
@ -229,26 +250,37 @@ void ScriptApiNode::node_on_receive_fields(v3s16 p,
lua_pushlstring(L, value.c_str(), value.size());
lua_settable(L, -3);
}
// param 4
objectrefGetOrCreate(sender);
if(lua_pcall(L, 4, 0, 0))
scriptError("error: %s", lua_tostring(L, -1));
objectrefGetOrCreate(sender); // player
if(lua_pcall(L, 4, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
}
void ScriptApiNode::node_falling_update(v3s16 p)
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
lua_getglobal(L, "nodeupdate");
push_v3s16(L, p);
if(lua_pcall(L, 1, 0, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 1, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
}
void ScriptApiNode::node_falling_update_single(v3s16 p)
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
lua_getglobal(L, "nodeupdate_single");
push_v3s16(L, p);
if(lua_pcall(L, 1, 0, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 1, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
}

162
src/script/cpp_api/s_nodemeta.cpp
View File

@ -34,6 +34,9 @@ int ScriptApiNodemeta::nodemeta_inventory_AllowMove(v3s16 p,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
INodeDefManager *ndef = getServer()->ndef();
// If node doesn't exist, we don't know what callback to call
@ -47,25 +50,21 @@ int ScriptApiNodemeta::nodemeta_inventory_AllowMove(v3s16 p,
return count;
// function(pos, from_list, from_index, to_list, to_index, count, player)
// pos
push_v3s16(L, p);
// from_list
lua_pushstring(L, from_list.c_str());
// from_index
lua_pushinteger(L, from_index + 1);
// to_list
lua_pushstring(L, to_list.c_str());
// to_index
lua_pushinteger(L, to_index + 1);
// count
lua_pushinteger(L, count);
// player
objectrefGetOrCreate(player);
if(lua_pcall(L, 7, 1, 0))
scriptError("error: %s", lua_tostring(L, -1));
push_v3s16(L, p); // pos
lua_pushstring(L, from_list.c_str()); // from_list
lua_pushinteger(L, from_index + 1); // from_index
lua_pushstring(L, to_list.c_str()); // to_list
lua_pushinteger(L, to_index + 1); // to_index
lua_pushinteger(L, count); // count
objectrefGetOrCreate(player); // player
if(lua_pcall(L, 7, 1, errorhandler))
scriptError();
lua_remove(L, errorhandler); // Remove error handler
if(!lua_isnumber(L, -1))
throw LuaError(L, "allow_metadata_inventory_move should return a number");
return luaL_checkinteger(L, -1);
int num = luaL_checkinteger(L, -1);
lua_pop(L, 1); // Pop integer
return num;
}
// Return number of accepted items to be put
@ -75,6 +74,9 @@ int ScriptApiNodemeta::nodemeta_inventory_AllowPut(v3s16 p,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
INodeDefManager *ndef = getServer()->ndef();
// If node doesn't exist, we don't know what callback to call
@ -88,21 +90,19 @@ int ScriptApiNodemeta::nodemeta_inventory_AllowPut(v3s16 p,
return stack.count;
// Call function(pos, listname, index, stack, player)
// pos
push_v3s16(L, p);
// listname
lua_pushstring(L, listname.c_str());
// index
lua_pushinteger(L, index + 1);
// stack
LuaItemStack::create(L, stack);
// player
objectrefGetOrCreate(player);
if(lua_pcall(L, 5, 1, 0))
scriptError("error: %s", lua_tostring(L, -1));
push_v3s16(L, p); // pos
lua_pushstring(L, listname.c_str()); // listname
lua_pushinteger(L, index + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(player); // player
if(lua_pcall(L, 5, 1, errorhandler))
scriptError();
lua_remove(L, errorhandler); // Remove error handler
if(!lua_isnumber(L, -1))
throw LuaError(L, "allow_metadata_inventory_put should return a number");
return luaL_checkinteger(L, -1);
int num = luaL_checkinteger(L, -1);
lua_pop(L, 1); // Pop integer
return num;
}
// Return number of accepted items to be taken
@ -112,6 +112,9 @@ int ScriptApiNodemeta::nodemeta_inventory_AllowTake(v3s16 p,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
INodeDefManager *ndef = getServer()->ndef();
// If node doesn't exist, we don't know what callback to call
@ -125,21 +128,19 @@ int ScriptApiNodemeta::nodemeta_inventory_AllowTake(v3s16 p,
return stack.count;
// Call function(pos, listname, index, count, player)
// pos
push_v3s16(L, p);
// listname
lua_pushstring(L, listname.c_str());
// index
lua_pushinteger(L, index + 1);
// stack
LuaItemStack::create(L, stack);
// player
objectrefGetOrCreate(player);
if(lua_pcall(L, 5, 1, 0))
scriptError("error: %s", lua_tostring(L, -1));
push_v3s16(L, p); // pos
lua_pushstring(L, listname.c_str()); // listname
lua_pushinteger(L, index + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(player); // player
if(lua_pcall(L, 5, 1, errorhandler))
scriptError();
lua_remove(L, errorhandler); // Remove error handler
if(!lua_isnumber(L, -1))
throw LuaError(L, "allow_metadata_inventory_take should return a number");
return luaL_checkinteger(L, -1);
int num = luaL_checkinteger(L, -1);
lua_pop(L, 1); // Pop integer
return num;
}
// Report moved items
@ -150,6 +151,9 @@ void ScriptApiNodemeta::nodemeta_inventory_OnMove(v3s16 p,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
INodeDefManager *ndef = getServer()->ndef();
// If node doesn't exist, we don't know what callback to call
@ -163,22 +167,16 @@ void ScriptApiNodemeta::nodemeta_inventory_OnMove(v3s16 p,
return;
// function(pos, from_list, from_index, to_list, to_index, count, player)
// pos
push_v3s16(L, p);
// from_list
lua_pushstring(L, from_list.c_str());
// from_index
lua_pushinteger(L, from_index + 1);
// to_list
lua_pushstring(L, to_list.c_str());
// to_index
lua_pushinteger(L, to_index + 1);
// count
lua_pushinteger(L, count);
// player
objectrefGetOrCreate(player);
if(lua_pcall(L, 7, 0, 0))
scriptError("error: %s", lua_tostring(L, -1));
push_v3s16(L, p); // pos
lua_pushstring(L, from_list.c_str()); // from_list
lua_pushinteger(L, from_index + 1); // from_index
lua_pushstring(L, to_list.c_str()); // to_list
lua_pushinteger(L, to_index + 1); // to_index
lua_pushinteger(L, count); // count
objectrefGetOrCreate(player); // player
if(lua_pcall(L, 7, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
}
// Report put items
@ -188,6 +186,9 @@ void ScriptApiNodemeta::nodemeta_inventory_OnPut(v3s16 p,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
INodeDefManager *ndef = getServer()->ndef();
// If node doesn't exist, we don't know what callback to call
@ -201,18 +202,14 @@ void ScriptApiNodemeta::nodemeta_inventory_OnPut(v3s16 p,
return;
// Call function(pos, listname, index, stack, player)
// pos
push_v3s16(L, p);
// listname
lua_pushstring(L, listname.c_str());
// index
lua_pushinteger(L, index + 1);
// stack
LuaItemStack::create(L, stack);
// player
objectrefGetOrCreate(player);
if(lua_pcall(L, 5, 0, 0))
scriptError("error: %s", lua_tostring(L, -1));
push_v3s16(L, p); // pos
lua_pushstring(L, listname.c_str()); // listname
lua_pushinteger(L, index + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(player); // player
if(lua_pcall(L, 5, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
}
// Report taken items
@ -222,6 +219,9 @@ void ScriptApiNodemeta::nodemeta_inventory_OnTake(v3s16 p,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
INodeDefManager *ndef = getServer()->ndef();
// If node doesn't exist, we don't know what callback to call
@ -235,18 +235,14 @@ void ScriptApiNodemeta::nodemeta_inventory_OnTake(v3s16 p,
return;
// Call function(pos, listname, index, stack, player)
// pos
push_v3s16(L, p);
// listname
lua_pushstring(L, listname.c_str());
// index
lua_pushinteger(L, index + 1);
// stack
LuaItemStack::create(L, stack);
// player
objectrefGetOrCreate(player);
if(lua_pcall(L, 5, 0, 0))
scriptError("error: %s", lua_tostring(L, -1));
push_v3s16(L, p); // pos
lua_pushstring(L, listname.c_str()); // listname
lua_pushinteger(L, index + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(player); // player
if(lua_pcall(L, 5, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
}
ScriptApiNodemeta::ScriptApiNodemeta() {

31
src/script/cpp_api/s_server.cpp
View File

@ -27,13 +27,18 @@ bool ScriptApiServer::getAuth(const std::string &playername,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
getAuthHandler();
lua_getfield(L, -1, "get_auth");
if(lua_type(L, -1) != LUA_TFUNCTION)
throw LuaError(L, "Authentication handler missing get_auth");
lua_pushstring(L, playername.c_str());
if(lua_pcall(L, 1, 1, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 1, 1, errorhandler))
scriptError();
lua_remove(L, -2); // Remove auth handler
lua_remove(L, errorhandler); // Remove error handler
// nil = login not allowed
if(lua_isnil(L, -1))
@ -49,8 +54,7 @@ bool ScriptApiServer::getAuth(const std::string &playername,
lua_getfield(L, -1, "privileges");
if(!lua_istable(L, -1))
throw LuaError(L,
"Authentication handler didn't return privilege table");
throw LuaError(L, "Authentication handler didn't return privilege table");
if(dst_privs)
readPrivileges(-1, *dst_privs);
lua_pop(L, 1);
@ -68,6 +72,7 @@ void ScriptApiServer::getAuthHandler()
lua_pop(L, 1);
lua_getfield(L, -1, "builtin_auth_handler");
}
lua_remove(L, -2); // Remove minetest
if(lua_type(L, -1) != LUA_TTABLE)
throw LuaError(L, "Authentication handler table not valid");
}
@ -96,14 +101,19 @@ void ScriptApiServer::createAuth(const std::string &playername,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
getAuthHandler();
lua_getfield(L, -1, "create_auth");
lua_remove(L, -2); // Remove auth handler
if(lua_type(L, -1) != LUA_TFUNCTION)
throw LuaError(L, "Authentication handler missing create_auth");
lua_pushstring(L, playername.c_str());
lua_pushstring(L, password.c_str());
if(lua_pcall(L, 2, 0, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 2, 0, errorhandler))
scriptError();
lua_pop(L, 1); // Pop error handler
}
bool ScriptApiServer::setPassword(const std::string &playername,
@ -111,14 +121,19 @@ bool ScriptApiServer::setPassword(const std::string &playername,
{
SCRIPTAPI_PRECHECKHEADER
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
getAuthHandler();
lua_getfield(L, -1, "set_password");
lua_remove(L, -2); // Remove auth handler
if(lua_type(L, -1) != LUA_TFUNCTION)
throw LuaError(L, "Authentication handler missing set_password");
lua_pushstring(L, playername.c_str());
lua_pushstring(L, password.c_str());
if(lua_pcall(L, 2, 1, 0))
scriptError("error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 2, 1, errorhandler))
scriptError();
lua_remove(L, -2); // Remove error handler
return lua_toboolean(L, -1);
}

1
src/script/lua_api/l_base.h
View File

@ -21,6 +21,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#define L_BASE_H_
#include "common/c_types.h"
#include "common/c_internal.h"
extern "C" {
#include <lua.h>

2
src/script/lua_api/l_craft.cpp
View File

@ -449,7 +449,7 @@ int ModApiCraft::l_get_all_craft_recipes(lua_State *L)
lua_pushstring(L, &tmpout.item[0]);
lua_setfield(L, -2, "output");
if (lua_pcall(L, 2, 0, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
script_error(L);
}
}
return 1;

28
src/script/lua_api/l_env.cpp
View File

@ -53,28 +53,34 @@ void LuaABM::trigger(ServerEnvironment *env, v3s16 p, MapNode n,
assert(lua_checkstack(L, 20));
StackUnroller stack_unroller(L);
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
// Get minetest.registered_abms
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "registered_abms");
luaL_checktype(L, -1, LUA_TTABLE);
int registered_abms = lua_gettop(L);
lua_remove(L, -2); // Remove "minetest"
// Get minetest.registered_abms[m_id]
lua_pushnumber(L, m_id);
lua_gettable(L, registered_abms);
lua_gettable(L, -2);
if(lua_isnil(L, -1))
assert(0);
lua_remove(L, -2); // Remove "registered_abms"
// Call action
luaL_checktype(L, -1, LUA_TTABLE);
lua_getfield(L, -1, "action");
luaL_checktype(L, -1, LUA_TFUNCTION);
lua_remove(L, -2); // Remove "registered_abms[m_id]"
push_v3s16(L, p);
pushnode(L, n, env->getGameDef()->ndef());
lua_pushnumber(L, active_object_count);
lua_pushnumber(L, active_object_count_wider);
if(lua_pcall(L, 4, 0, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 4, 0, errorhandler))
script_error(L);
lua_pop(L, 1); // Pop error handler
}
// Exported functions
@ -370,15 +376,21 @@ int ModApiEnvMod::l_add_item(lua_State *L)
ItemStack item = read_item(L, 2,getServer(L));
if(item.empty() || !item.isKnown(getServer(L)->idef()))
return 0;
lua_pushcfunction(L, script_error_handler);
int errorhandler = lua_gettop(L);
// Use minetest.spawn_item to spawn a __builtin:item
lua_getglobal(L, "minetest");
lua_getfield(L, -1, "spawn_item");
lua_remove(L, -2); // Remove minetest
if(lua_isnil(L, -1))
return 0;
lua_pushvalue(L, 1);
lua_pushstring(L, item.getItemString().c_str());
if(lua_pcall(L, 2, 1, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
if(lua_pcall(L, 2, 1, errorhandler))
script_error(L);
lua_remove(L, errorhandler); // Remove error handler
return 1;
/*lua_pushvalue(L, 1);
lua_pushstring(L, "__builtin:item");
@ -441,7 +453,7 @@ int ModApiEnvMod::l_get_objects_inside_radius(lua_State *L)
lua_pushvalue(L, table);
getScriptApiBase(L)->objectrefGetOrCreate(obj);
if(lua_pcall(L, 2, 0, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
script_error(L);
}
return 1;
}
@ -569,7 +581,7 @@ int ModApiEnvMod::l_find_nodes_in_area(lua_State *L)
lua_pushvalue(L, table);
push_v3s16(L, p);
if(lua_pcall(L, 2, 0, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
script_error(L);
}
}
return 1;

5
src/script/lua_api/l_noise.cpp
View File

@ -333,7 +333,10 @@ int LuaPseudoRandom::l_next(lua_State *L)
throw LuaError(L, "PseudoRandom.next(): max < min");
}
if(max - min != 32767 && max - min > 32767/5)
throw LuaError(L, "PseudoRandom.next() max-min is not 32767 and is > 32768/5. This is disallowed due to the bad random distribution the implementation would otherwise make.");
throw LuaError(L, "PseudoRandom.next() max-min is not 32767"
" and is > 32768/5. This is disallowed due to"
" the bad random distribution the"
" implementation would otherwise make.");
PseudoRandom &pseudo = o->m_pseudo;
int val = pseudo.next();
val = (val % (max-min+1)) + min;

2
src/script/lua_api/l_rollback.cpp
View File

@ -66,7 +66,7 @@ int ModApiRollback::l_rollback_revert_actions_by(lua_State *L)
lua_pushvalue(L, table);
lua_pushstring(L, i->c_str());
if(lua_pcall(L, 2, 0, 0))
script_error(L, "error: %s", lua_tostring(L, -1));
script_error(L);
}
lua_remove(L, -2); // Remove table
lua_remove(L, -2); // Remove insert

3
src/script/lua_api/l_server.cpp
View File

@ -220,6 +220,7 @@ int ModApiServer::l_get_modpath(lua_State *L)
int ModApiServer::l_get_modnames(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
// Get a list of mods
std::list<std::string> mods_unsorted, mods_sorted;
getServer(L)->getModNames(mods_unsorted);
@ -263,7 +264,7 @@ int ModApiServer::l_get_modnames(lua_State *L)
lua_pushstring(L, (*i).c_str());
if(lua_pcall(L, 2, 0, 0) != 0)
{
script_error(L, "error: %s", lua_tostring(L, -1));
script_error(L);
}
++i;
}