124 lines
3.4 KiB
C++
124 lines
3.4 KiB
C++
#include "api_lua.hpp"
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#include "lua_commons.hpp"
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#include "LuaState.hpp"
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#include "../scripting.hpp"
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#include "../../CommandsInterpreter.hpp"
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#include "../../../engine.hpp"
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#include "../../../coders/commons.hpp"
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namespace scripting {
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extern lua::LuaState* state;
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}
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using namespace scripting;
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static int l_add_command(lua_State* L) {
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if (!lua_isfunction(L, 3)) {
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throw std::runtime_error("invalid callback");
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}
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auto scheme = state->requireString(1);
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auto description = state->requireString(2);
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lua_pushvalue(L, 3);
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auto func = state->createLambda();
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try {
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engine->getCommandsInterpreter()->getRepository()->add(
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scheme, description, [func](auto, auto args, auto kwargs) {
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return func({args, kwargs});
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}
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);
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} catch (const parsing_error& err) {
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throw std::runtime_error(("command scheme error:\n"+err.errorLog()).c_str());
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}
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return 0;
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}
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static int l_execute(lua_State*) {
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auto prompt = state->requireString(1);
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auto result = engine->getCommandsInterpreter()->execute(prompt);
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state->pushvalue(result);
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return 1;
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}
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static int l_set(lua_State*) {
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auto name = state->requireString(1);
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auto value = state->tovalue(2);
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(*engine->getCommandsInterpreter())[name] = value;
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return 0;
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}
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static int l_get_commands_list(lua_State* L) {
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auto interpreter = engine->getCommandsInterpreter();
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auto repo = interpreter->getRepository();
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const auto& commands = repo->getCommands();
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lua_createtable(L, commands.size(), 0);
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size_t index = 1;
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for (const auto& entry : commands) {
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lua_pushstring(L, entry.first.c_str());
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lua_rawseti(L, -2, index++);
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}
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return 1;
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}
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static int l_get_command_info(lua_State* L) {
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auto name = state->requireString(1);
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auto interpreter = engine->getCommandsInterpreter();
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auto repo = interpreter->getRepository();
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auto command = repo->get(name);
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if (command == nullptr) {
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return 0;
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}
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const auto& args = command->getArgs();
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const auto& kwargs = command->getKwArgs();
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lua_createtable(L, 0, 4);
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lua_pushstring(L, name);
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lua_setfield(L, -2, "name");
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lua_pushstring(L, command->getDescription().c_str());
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lua_setfield(L, -2, "description");
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lua_createtable(L, args.size(), 0);
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for (size_t i = 0; i < args.size(); i++) {
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auto& arg = args.at(i);
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lua_createtable(L, 0, 2);
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lua_pushstring(L, arg.name.c_str());
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lua_setfield(L, -2, "name");
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lua_pushstring(L, cmd::argtype_name(arg.type).c_str());
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lua_setfield(L, -2, "type");
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if (arg.optional) {
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lua_pushboolean(L, true);
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lua_setfield(L, -2, "optional");
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}
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lua_rawseti(L, -2, i+1);
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}
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lua_setfield(L, -2, "args");
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lua_createtable(L, 0, kwargs.size());
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for (auto& entry : kwargs) {
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auto& arg = entry.second;
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lua_createtable(L, 0, 1);
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lua_pushstring(L, cmd::argtype_name(arg.type).c_str());
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lua_setfield(L, -2, "type");
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lua_setfield(L, -2, arg.name.c_str());
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}
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lua_setfield(L, -2, "kwargs");
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return 1;
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}
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const luaL_Reg consolelib [] = {
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{"add_command", lua_wrap_errors<l_add_command>},
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{"execute", lua_wrap_errors<l_execute>},
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{"set", lua_wrap_errors<l_set>},
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{"get_commands_list", lua_wrap_errors<l_get_commands_list>},
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{"get_command_info", lua_wrap_errors<l_get_command_info>},
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{NULL, NULL}
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};
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