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Add Lua errors to error dialog

master
rubenwardy 2015-03-02 18:26:20 +00:00 committed by est31
parent 1455267c9e
commit 0d65ee878c
4 changed files with 60 additions and 38 deletions
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40
builtin/fstk/ui.lua
View File

@ -23,7 +23,7 @@ ui.default = nil
function ui.add(child)
--TODO check child
ui.childlist[child.name] = child
return child.name
end
@ -33,7 +33,7 @@ function ui.delete(child)
if ui.childlist[child.name] == nil then
return false
end
ui.childlist[child.name] = nil
return true
end
@ -60,11 +60,33 @@ function ui.update()
-- handle errors
if gamedata ~= nil and gamedata.errormessage ~= nil then
formspec = "size[12,3.2]" ..
"textarea[1,1;10,2;;ERROR: " ..
core.formspec_escape(gamedata.errormessage) ..
";]"..
"button[4.5,2.5;3,0.5;btn_error_confirm;" .. fgettext("Ok") .. "]"
local ar = gamedata.errormessage:split("\n")
for i = 1, #ar do
local text = ar[i]
-- Hack to add word wrapping.
-- TODO: Add engine support for wrapping in formspecs
while #text > 80 do
if formspec ~= "" then
formspec = formspec .. ","
end
formspec = formspec .. core.formspec_escape(string.sub(text, 1, 79))
text = string.sub(text, 80, #text)
end
if formspec ~= "" then
formspec = formspec .. ","
end
formspec = formspec .. core.formspec_escape(text)
end
local error_title
if string.find(gamedata.errormessage, "ModError") then
error_title = fgettext("An error occured in a Lua script, such as a mod:")
else
error_title = fgettext("An error occured:")
end
formspec = "size[12,5]" ..
"label[0.5,0;" .. error_title ..
"]textlist[0.2,0.8;11.5,3.5;;" .. formspec ..
"]button[4.5,4.6;3,0.5;btn_error_confirm;" .. fgettext("Ok") .. "]"
else
local active_toplevel_ui_elements = 0
for key,value in pairs(ui.childlist) do
@ -77,7 +99,7 @@ function ui.update()
end
end
end
-- no need to show addons if there ain't a toplevel element
if (active_toplevel_ui_elements > 0) then
for key,value in pairs(ui.childlist) do
@ -127,7 +149,7 @@ end
--------------------------------------------------------------------------------
function ui.handle_events(event)
for key,value in pairs(ui.childlist) do
if value.handle_events ~= nil then

22
src/script/cpp_api/s_base.cpp
View File

@ -119,14 +119,14 @@ ScriptApiBase::~ScriptApiBase()
}
bool ScriptApiBase::loadMod(const std::string &script_path,
const std::string &mod_name)
const std::string &mod_name, std::string *error)
{
ModNameStorer mod_name_storer(getStack(), mod_name);
return loadScript(script_path);
return loadScript(script_path, error);
}
bool ScriptApiBase::loadScript(const std::string &script_path)
bool ScriptApiBase::loadScript(const std::string &script_path, std::string *error)
{
verbosestream << "Loading and running script from " << script_path << std::endl;
@ -140,13 +140,14 @@ bool ScriptApiBase::loadScript(const std::string &script_path)
}
ok = ok && !lua_pcall(L, 0, 0, m_errorhandler);
if (!ok) {
errorstream << "========== ERROR FROM LUA ===========" << std::endl;
errorstream << "Failed to load and run script from " << std::endl;
errorstream << script_path << ":" << std::endl;
errorstream << std::endl;
errorstream << lua_tostring(L, -1) << std::endl;
errorstream << std::endl;
errorstream << "======= END OF ERROR FROM LUA ========" << std::endl;
std::string error_msg = lua_tostring(L, -1);
if (error)
(*error) = error_msg;
errorstream << "========== ERROR FROM LUA ===========" << std::endl
<< "Failed to load and run script from " << std::endl
<< script_path << ":" << std::endl << std::endl
<< error_msg << std::endl << std::endl
<< "======= END OF ERROR FROM LUA ========" << std::endl;
lua_pop(L, 1); // Pop error message from stack
return false;
}
@ -268,4 +269,3 @@ void ScriptApiBase::objectrefGet(lua_State *L, u16 id)
lua_remove(L, -2); // object_refs
lua_remove(L, -2); // core
}

4
src/script/cpp_api/s_base.h
View File

@ -51,8 +51,8 @@ public:
ScriptApiBase();
virtual ~ScriptApiBase();
bool loadMod(const std::string &script_path, const std::string &mod_name);
bool loadScript(const std::string &script_path);
bool loadMod(const std::string &script_path, const std::string &mod_name, std::string *error=NULL);
bool loadScript(const std::string &script_path, std::string *error=NULL);
/* object */
void addObjectReference(ServerActiveObject *cobj);

32
src/server.cpp
View File

@ -239,11 +239,9 @@ Server::Server(
m_mods = modconf.getMods();
std::vector<ModSpec> unsatisfied_mods = modconf.getUnsatisfiedMods();
// complain about mods with unsatisfied dependencies
if(!modconf.isConsistent())
{
if(!modconf.isConsistent()) {
for(std::vector<ModSpec>::iterator it = unsatisfied_mods.begin();
it != unsatisfied_mods.end(); ++it)
{
it != unsatisfied_mods.end(); ++it) {
ModSpec mod = *it;
errorstream << "mod \"" << mod.name << "\" has unsatisfied dependencies: ";
for(std::set<std::string>::iterator dep_it = mod.unsatisfied_depends.begin();
@ -259,8 +257,7 @@ Server::Server(
std::vector<std::string> names = worldmt_settings.getNames();
std::set<std::string> load_mod_names;
for(std::vector<std::string>::iterator it = names.begin();
it != names.end(); ++it)
{
it != names.end(); ++it) {
std::string name = *it;
if(name.compare(0,9,"load_mod_")==0 && worldmt_settings.getBool(name))
load_mod_names.insert(name.substr(9));
@ -272,8 +269,7 @@ Server::Server(
for(std::vector<ModSpec>::iterator it = unsatisfied_mods.begin();
it != unsatisfied_mods.end(); ++it)
load_mod_names.erase((*it).name);
if(!load_mod_names.empty())
{
if(!load_mod_names.empty()) {
errorstream << "The following mods could not be found:";
for(std::set<std::string>::iterator it = load_mod_names.begin();
it != load_mod_names.end(); ++it)
@ -296,15 +292,16 @@ Server::Server(
m_script = new GameScripting(this);
std::string script_path = getBuiltinLuaPath() + DIR_DELIM "init.lua";
std::string error_msg;
if (!m_script->loadMod(script_path, BUILTIN_MOD_NAME)) {
throw ModError("Failed to load and run " + script_path);
}
if (!m_script->loadMod(script_path, BUILTIN_MOD_NAME, &error_msg))
throw ModError("Failed to load and run " + script_path
+ "\nError from Lua:\n" + error_msg);
// Print mods
infostream << "Server: Loading mods: ";
for(std::vector<ModSpec>::iterator i = m_mods.begin();
i != m_mods.end(); i++){
i != m_mods.end(); i++) {
const ModSpec &mod = *i;
infostream << mod.name << " ";
}
@ -314,18 +311,21 @@ Server::Server(
i != m_mods.end(); i++) {
const ModSpec &mod = *i;
if (!string_allowed(mod.name, MODNAME_ALLOWED_CHARS)) {
errorstream << "Error loading mod \"" << mod.name
std::ostringstream err;
err << "Error loading mod \"" << mod.name
<< "\": mod_name does not follow naming conventions: "
<< "Only chararacters [a-z0-9_] are allowed." << std::endl;
throw ModError("Mod \"" + mod.name + "\" does not follow naming conventions.");
errorstream << err.str().c_str();
throw ModError(err.str());
}
std::string script_path = mod.path + DIR_DELIM "init.lua";
infostream << " [" << padStringRight(mod.name, 12) << "] [\""
<< script_path << "\"]" << std::endl;
if (!m_script->loadMod(script_path, mod.name)) {
if (!m_script->loadMod(script_path, mod.name, &error_msg)) {
errorstream << "Server: Failed to load and run "
<< script_path << std::endl;
throw ModError("Failed to load and run " + script_path);
throw ModError("Failed to load and run " + script_path
+ "\nError from Lua:\n" + error_msg);
}
}