diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lauxlib.js | 23 | ||||
| -rw-r--r-- | src/loslib.js | 33 |
2 files changed, 53 insertions, 3 deletions
diff --git a/src/lauxlib.js b/src/lauxlib.js index bb2cd00..68e7c12 100644 --- a/src/lauxlib.js +++ b/src/lauxlib.js @@ -200,8 +200,7 @@ const luaL_fileresult = function(L, stat, fname, e) { if (stat) { lua.lua_pushboolean(L, 1); return 1; - } - else { + } else { lua.lua_pushnil(L); if (fname) lua.lua_pushstring(L, lua.to_luastring(`${lua.to_jsstring(fname)}: ${e.message}`)); @@ -212,6 +211,23 @@ const luaL_fileresult = function(L, stat, fname, e) { } }; +/* Unlike normal lua, we pass in an error object */ +const luaL_execresult = function(L, stat, e) { + let what = lua.to_luastring("exit"); /* type of termination */ + if (e && e.status === -1) /* error? */ + return luaL_fileresult(L, 0, null, e); + else { + if (e && e.signal) { + lua.lua_pushnil(L); + lua.lua_pushliteral(L, "signal"); + } else { + lua.lua_pushboolean(L, 1); + lua.lua_pushliteral(L, "exit"); + } + lua.lua_pushinteger(L, e ? e.status : 0); + return 3; + } +}; const luaL_getmetatable = function(L, n) { return lua.lua_getfield(L, lua.LUA_REGISTRYINDEX, n); @@ -693,8 +709,8 @@ const lua_writestringerror = function(s) { else console.error(s); }; -module.exports.LUA_LOADED_TABLE = LUA_LOADED_TABLE; module.exports.LUA_FILEHANDLE = LUA_FILEHANDLE; +module.exports.LUA_LOADED_TABLE = LUA_LOADED_TABLE; module.exports.luaL_Buffer = luaL_Buffer; module.exports.luaL_addchar = luaL_addchar; module.exports.luaL_addlstring = luaL_addlstring; @@ -714,6 +730,7 @@ module.exports.luaL_checkstring = luaL_checkstring; module.exports.luaL_checktype = luaL_checktype; module.exports.luaL_checkudata = luaL_checkudata; module.exports.luaL_error = luaL_error; +module.exports.luaL_execresult = luaL_execresult; module.exports.luaL_fileresult = luaL_fileresult; module.exports.luaL_getmetafield = luaL_getmetafield; module.exports.luaL_getmetatable = luaL_getmetatable; diff --git a/src/loslib.js b/src/loslib.js index 1cc7d84..cb82bc3 100644 --- a/src/loslib.js +++ b/src/loslib.js @@ -95,9 +95,11 @@ if (typeof require === "function") { let fs = false; let tmp = false; + let child_process = false; try { fs = require('fs'); tmp = require('tmp'); + child_process = require('child_process'); } catch (e) {} if (fs && tmp) { @@ -144,6 +146,37 @@ if (typeof require === "function") { syslib.tmpname = os_tmpname; } + if (child_process) { + const os_execute = function(L) { + let cmd = lauxlib.luaL_optstring(L, 1, null); + let out = false; + if (cmd !== null) { + try { + out = child_process.execSync(lua.to_jsstring(cmd)); + } catch (e) { + return lauxlib.luaL_execresult(L, false, e); + } + + // if (out) console.log(out); + + return lauxlib.luaL_execresult(L, true); + } else { + try { + out = child_process.execSync(lua.to_jsstring(cmd)); + lua.lua_pushboolean(L, 1); + } catch (e) { + lua.lua_pushboolean(L, 0); + } + + // if (out) console.log(out); + + return 1; + } + }; + + syslib.execute = os_execute; + } + } const luaopen_os = function(L) { |