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Make plugin load errors more descriptive

develop
lethosor 2015-02-21 14:10:58 -05:00
parent 51722f3479
commit db9bcc27e4
1 changed files with 18 additions and 23 deletions
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39
library/PluginManager.cpp
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@ -216,38 +216,34 @@ bool Plugin::load(color_ostream &con)
state = PS_BROKEN;
return false;
}
#define plugin_abort_load ClosePlugin(plug); RefAutolock lock(access); state = PS_BROKEN
#define plugin_check_symbol(sym) \
if (!LookupPlugin(plug, sym)) \
{ \
con.printerr("Plugin %s: missing symbol: %s\n", name.c_str(), sym); \
plugin_abort_load; \
return false; \
}
plugin_check_symbol("name")
plugin_check_symbol("version")
plugin_check_symbol("plugin_self")
plugin_check_symbol("plugin_init")
plugin_check_symbol("plugin_globals")
const char ** plug_name =(const char ** ) LookupPlugin(plug, "name");
const char ** plug_version =(const char ** ) LookupPlugin(plug, "version");
Plugin **plug_self = (Plugin**)LookupPlugin(plug, "plugin_self");
if(!plug_name || !plug_version || !plug_self)
{
con.printerr("Plugin %s has no name, version or self pointer.\n", filename.c_str());
ClosePlugin(plug);
RefAutolock lock(access);
state = PS_BROKEN;
return false;
}
if (strcmp(get_dfhack_version(), *plug_version) != 0)
{
con.printerr("Plugin %s was not built for this version of DFHack.\n"
"Plugin: %s, DFHack: %s\n", *plug_name, *plug_version, get_dfhack_version());
ClosePlugin(plug);
RefAutolock lock(access);
state = PS_BROKEN;
plugin_abort_load;
return false;
}
*plug_self = this;
RefAutolock lock(access);
plugin_init = (command_result (*)(color_ostream &, std::vector <PluginCommand> &)) LookupPlugin(plug, "plugin_init");
std::vector<std::string>** plugin_globals_ptr = (std::vector<std::string>**) LookupPlugin(plug, "plugin_globals");
if(!plugin_init || !plugin_globals_ptr)
{
con.printerr("Plugin %s has no init function or globals vector.\n", *plug_name);
ClosePlugin(plug);
state = PS_BROKEN;
return false;
}
plugin_globals = *plugin_globals_ptr;
std::vector<std::string>* plugin_globals = *((std::vector<std::string>**) LookupPlugin(plug, "plugin_globals"));
if (plugin_globals->size())
{
std::vector<std::string> missing_globals;
@ -260,8 +256,7 @@ bool Plugin::load(color_ostream &con)
{
con.printerr("Plugin %s is missing required globals: %s\n",
*plug_name, join_strings(", ", missing_globals).c_str());
ClosePlugin(plug);
state = PS_BROKEN;
plugin_abort_load;
return false;
}
}