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Push error handler afresh each time lua_pcall is used

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Fixes "double fault" / "error in error handling" messages
(issue #1423) and instead shows a complete backtrace.
This commit is contained in:
Kahrl 2015-08-25 07:44:53 +02:00 • committed by est31
parent 8658c8d9b5
commit 3304e1e517
16 changed files with 188 additions and 92 deletions
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33
src/script/cpp_api/s_inventory.cpp
View file

@ -33,6 +33,8 @@ int ScriptApiDetached::detached_inventory_AllowMove(
{
SCRIPTAPI_PRECHECKHEADER
int error_handler = PUSH_ERROR_HANDLER(L);
// Push callback function on stack
if (!getDetachedInventoryCallback(name, "allow_move"))
return count;
@ -48,11 +50,11 @@ int ScriptApiDetached::detached_inventory_AllowMove(
lua_pushinteger(L, to_index + 1); // to_index
lua_pushinteger(L, count); // count
objectrefGetOrCreate(L, player); // player
PCALL_RES(lua_pcall(L, 7, 1, m_errorhandler));
PCALL_RES(lua_pcall(L, 7, 1, error_handler));
if(!lua_isnumber(L, -1))
throw LuaError("allow_move should return a number. name=" + name);
int ret = luaL_checkinteger(L, -1);
lua_pop(L, 1); // Pop integer
lua_pop(L, 2); // Pop integer and error handler
return ret;
}
@ -64,6 +66,8 @@ int ScriptApiDetached::detached_inventory_AllowPut(
{
SCRIPTAPI_PRECHECKHEADER
int error_handler = PUSH_ERROR_HANDLER(L);
// Push callback function on stack
if (!getDetachedInventoryCallback(name, "allow_put"))
return stack.count; // All will be accepted
@ -76,11 +80,11 @@ int ScriptApiDetached::detached_inventory_AllowPut(
lua_pushinteger(L, index + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(L, player); // player
PCALL_RES(lua_pcall(L, 5, 1, m_errorhandler));
PCALL_RES(lua_pcall(L, 5, 1, error_handler));
if (!lua_isnumber(L, -1))
throw LuaError("allow_put should return a number. name=" + name);
int ret = luaL_checkinteger(L, -1);
lua_pop(L, 1); // Pop integer
lua_pop(L, 2); // Pop integer and error handler
return ret;
}
@ -92,6 +96,8 @@ int ScriptApiDetached::detached_inventory_AllowTake(
{
SCRIPTAPI_PRECHECKHEADER
int error_handler = PUSH_ERROR_HANDLER(L);
// Push callback function on stack
if (!getDetachedInventoryCallback(name, "allow_take"))
return stack.count; // All will be accepted
@ -104,11 +110,11 @@ int ScriptApiDetached::detached_inventory_AllowTake(
lua_pushinteger(L, index + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(L, player); // player
PCALL_RES(lua_pcall(L, 5, 1, m_errorhandler));
PCALL_RES(lua_pcall(L, 5, 1, error_handler));
if (!lua_isnumber(L, -1))
throw LuaError("allow_take should return a number. name=" + name);
int ret = luaL_checkinteger(L, -1);
lua_pop(L, 1); // Pop integer
lua_pop(L, 2); // Pop integer and error handler
return ret;
}
@ -121,6 +127,8 @@ void ScriptApiDetached::detached_inventory_OnMove(
{
SCRIPTAPI_PRECHECKHEADER
int error_handler = PUSH_ERROR_HANDLER(L);
// Push callback function on stack
if (!getDetachedInventoryCallback(name, "on_move"))
return;
@ -136,7 +144,8 @@ void ScriptApiDetached::detached_inventory_OnMove(
lua_pushinteger(L, to_index + 1); // to_index
lua_pushinteger(L, count); // count
objectrefGetOrCreate(L, player); // player
PCALL_RES(lua_pcall(L, 7, 0, m_errorhandler));
PCALL_RES(lua_pcall(L, 7, 0, error_handler));
lua_pop(L, 1); // Pop error handler
}
// Report put items
@ -147,6 +156,8 @@ void ScriptApiDetached::detached_inventory_OnPut(
{
SCRIPTAPI_PRECHECKHEADER
int error_handler = PUSH_ERROR_HANDLER(L);
// Push callback function on stack
if (!getDetachedInventoryCallback(name, "on_put"))
return;
@ -160,7 +171,8 @@ void ScriptApiDetached::detached_inventory_OnPut(
lua_pushinteger(L, index + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(L, player); // player
PCALL_RES(lua_pcall(L, 5, 0, m_errorhandler));
PCALL_RES(lua_pcall(L, 5, 0, error_handler));
lua_pop(L, 1); // Pop error handler
}
// Report taken items
@ -171,6 +183,8 @@ void ScriptApiDetached::detached_inventory_OnTake(
{
SCRIPTAPI_PRECHECKHEADER
int error_handler = PUSH_ERROR_HANDLER(L);
// Push callback function on stack
if (!getDetachedInventoryCallback(name, "on_take"))
return;
@ -184,7 +198,8 @@ void ScriptApiDetached::detached_inventory_OnTake(
lua_pushinteger(L, index + 1); // index
LuaItemStack::create(L, stack); // stack
objectrefGetOrCreate(L, player); // player
PCALL_RES(lua_pcall(L, 5, 0, m_errorhandler));
PCALL_RES(lua_pcall(L, 5, 0, error_handler));
lua_pop(L, 1); // Pop error handler
}
// Retrieves core.detached_inventories[name][callbackname]