mirror of https://github.com/st3fan/ewm.git
95 lines
3.2 KiB
C
95 lines
3.2 KiB
C
// The MIT License (MIT)
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//
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// Copyright (c) 2015 Stefan Arentz - http://github.com/st3fan/ewm
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#include <stdlib.h>
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#include <string.h>
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#include <lua.h>
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#include <lauxlib.h>
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#include <lualib.h>
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#include "lua.h"
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#include "two.h"
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#include "cpu.h"
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#include "dsk.h"
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static int ewm_lua_init(struct ewm_lua_t *lua) {
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memset(lua, 0x00, sizeof(struct ewm_lua_t));
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lua->state = luaL_newstate();
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luaL_openlibs(lua->state);
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return 0;
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}
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struct ewm_lua_t *ewm_lua_create() {
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struct ewm_lua_t *lua = malloc(sizeof(struct ewm_lua_t));
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if (ewm_lua_init(lua) != 0) {
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free(lua);
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lua = NULL;
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}
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return lua;
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}
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int ewm_lua_load_script(struct ewm_lua_t *lua, char *script_path) {
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if (luaL_dofile(lua->state, script_path) != LUA_OK) {
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printf("ewm: script error: %s\n", lua_tostring(lua->state, -1));
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return -1;
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}
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return 0;
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}
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void ewm_lua_push_cpu(struct ewm_lua_t *lua, struct cpu_t *cpu) {
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void *cpu_data = lua_newuserdata(lua->state, sizeof(struct cpu_t*));
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*((struct cpu_t**) cpu_data) = cpu;
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luaL_getmetatable(lua->state, "cpu_meta_table");
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lua_setmetatable(lua->state, -2);
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}
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void ewm_lua_push_two(struct ewm_lua_t *lua, struct ewm_two_t *two) {
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void *two_data = lua_newuserdata(lua->state, sizeof(struct ewm_two_t*));
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*((struct ewm_two_t**) two_data) = two;
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luaL_getmetatable(lua->state, "two_meta_table");
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lua_setmetatable(lua->state, -2);
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}
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void ewm_lua_push_dsk(struct ewm_lua_t *lua, struct ewm_dsk_t *dsk) {
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void *dsk_data = lua_newuserdata(lua->state, sizeof(struct ewm_dsk_t*));
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*((struct ewm_dsk_t**) dsk_data) = dsk;
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luaL_getmetatable(lua->state, "dsk_meta_table");
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lua_setmetatable(lua->state, -2);
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}
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void ewm_lua_register_component(struct ewm_lua_t *lua, char *name, luaL_Reg *functions) {
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char table_name[64];
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strncpy(table_name, name, sizeof(table_name)-1);
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strncat(table_name, "_meta_table", sizeof(table_name)-1);
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char global_name[64];
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strncpy(global_name, name, sizeof(global_name)-1);
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for (size_t i = 0; i < strlen(global_name); i++) {
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global_name[i] = toupper(global_name[i]);
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}
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// Register the cpu meta table
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luaL_newmetatable(lua->state, table_name);
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luaL_setfuncs(lua->state, functions, 0);
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}
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